US Pat. No. 10,422,942

LUMINESCENCE CONCENTRATOR

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:a luminescent concentrator, the luminescent concentrator comprising a waveguide having a radiation input face, a radiation exit face, and a width (W) being defined by the radiation input face and an opposite face, the waveguide comprising a radiation converter element distributed in the waveguide with a radiation converter concentration, wherein the waveguide comprises a single crystal;
a solid state light source configured to irradiate the radiation input face of the waveguide with solid state light source radiation;
wherein the radiation converter element is configured to absorb at least part of the light source radiation and to convert into radiation converter element radiation, and
wherein a concentration of the radiation converter element within the waveguide is selected to be at least three times of that necessary for the radiation converter element to absorb 98% of the light source radiation over the width (W) of the waveguide.

US Pat. No. 10,422,943

LUMINAIRE WITH LIGHT GUIDE

SIGNIFY HOLDING B.V., Ei...

1. A luminaire comprising:a light guide comprising an edge portion between a first major surface and a second major surface, wherein the first major surface defines light outcoupling elements and the second major surface is a flat light output surface which is visible in use of the luminaire, wherein a general light output direction is normal to the second major surface;
an output reflector facing the first major surface;
an array of solid state lighting elements arranged around the edge portion and each having an optical axis extending along and facing the general light output direction; and
an array of lighting element reflectors, with a respective reflector associated with each solid state lighting element for reflecting light into the light guide.

US Pat. No. 10,397,823

DEVICE AND METHOD FOR SCHEDULING DATA PACKET TRANSMISSION IN WIRELESS NETWORKS

SIGNIFY HOLDING B.V., Ei...

1. A system for controlling data packet transmission in a wireless network, the system comprising:a plurality of nodes; and
at least one data collector node,
wherein at least one control unit included in at least one of the plurality of nodes and/or the data collector node is adapted to randomly select, independently for each of the plurality of nodes configured to respond to a received data packet, a respective time slot within a determined answer interval for transmitting an answer responding to the received data packet, wherein the answer interval is applied to each of the plurality of nodes configured to respond to said received data packet and wherein at least one of any of the plurality of nodes and/or the data collector node determines: a) an amount of the plurality of nodes responding to said received data packet and b) a length of said answer interval based on the amount of the plurality of nodes determined to respond to said received data packet,
wherein the data collector node is adapted to poll at least one given node of any of the plurality of nodes for data packet transmission based on a hop distance of the given node to the data collector node and/or a network area in which the given node is located, and
wherein the data collector node is adapted to multicast a data request message to at least some of the plurality of nodes, to which the at least some of the plurality of nodes answer with a node-specific delay after having received the data request message.

US Pat. No. 10,708,999

METHOD OF VISUALIZING A SHAPE OF A LINEAR LIGHTING DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A computer implemented method of generating a virtual representation of a lighting device, the lighting device comprising a plurality of distributed light sources, the computer implemented method comprising the steps of:receiving, from the lighting device, one or more signals comprising an identifier of the lighting device and information indicating the number of the plurality of distributed light sources;
capturing, with a camera, one or more images of the lighting device;
determining a shape of the lighting device based on the one or more images;
determining a spatial distribution of the plurality of distributed light sources based on the received one or more signals and the captured one or more images by mapping the plurality of distributed light sources onto the shape;
generating the virtual representation of the shape of the lighting device based on the spatial distribution; and
displaying the virtual representation of the shape of the lighting device.

US Pat. No. 10,638,612

CARRIER FOR SOLID-STATE LIGHTING DEVICES INTENDED FOR A LIGHT BULB

SIGNIFY HOLDING B.V., Ei...

1. A carrier for solid-state lighting devices, intended to be arranged in a light bulb, the carrier comprising:an annular mounting portion for mounting the carrier inside the light bulb, the carrier being formed from one single flat and formable substrate bent to a generally tube-shaped form;
two or more strips extending generally parallel to each other from a proximal portion adjacent to the annular mounting portion to a distal portion at a distance from the annular mounting portion and being separated from each other in a tangential direction of the annular mounting portion, wherein each strip has a length in a direction away from the annular mounting portion and a width in said tangential direction where the strip is joined to the annular mounting portion, said length being at least two times larger than said width, and wherein at least two of the strips have different lengths at said distal portion;
one or more electrically conducting paths extending along each strip from the annular mounting portion to at least one designated mounting site for a solid-state lighting device, and
a solid state lighting device mounted in a mounting site,
wherein at least one strip has at least two solid state lighting devices mounted thereon, and wherein said at least one strip is folded so that said two solid state lighting devices are configured to radiate in opposite directions.

US Pat. No. 10,602,589

SYSTEMS AND METHODS FOR MANAGING ENVIRONMENTAL CONDITIONS

SIGNIFY HOLDING B.V., Ei...

1. A system for managing environmental conditions within a physical structure, the system comprising:at least one commissioned unit configured to transmit a coded light signal comprising one or more identification codes;
an environment control device configured to receive the coded light signal from the at least one commissioned unit, to detect user input indicating one or more preferred environmental conditions, and to transmit an environment control request comprising the one or more preferred environmental conditions;
one or more processors executing an environment manager module configured to receive the environment control request, to generate an environment control command using the control request, and to transmit the environment control command to the commissioned unit, wherein the commissioned unit is further configured to alert any commissioned units with which it is linked, of changes in its own operational status and changes in the status of a zone with which it is associated; and
one or more processors executing a commissioning module configured to: localize one or more devices, the localization comprising mapping each device to at least one physical location within the physical structure; associate, in a first memory, at least one of the one or more devices with a first commissioned unit; and link the first commissioned unit with a second commissioned unit, the linking comprising associating, in a second memory, the first and second commissioned units.

US Pat. No. 10,447,148

DC/DC RESONANT CONVERTERS AND POWER FACTOR CORRECTION USING RESONANT CONVERTERS, AND CORRESPONDING CONTROL METHODS

SIGNIFY HOLDING B.V., Ei...

1. An AC/DC PFC converter, comprising:an AC input for providing an input voltage and an input current to an input of a rectifier, wherein the rectifier is arranged for rectifying the input voltage to obtain a rectified input voltage;
a half bridge inverter for receiving the rectified input voltage and comprising a first switch and a second switch, wherein a first output is defined from a node between the first and second switches;
an LLC circuit coupled to the first output and having a second output for supplying a converter output voltage and current, wherein a voltage across a capacitor of the LLC circuit is provided as an electrical feedback parameter, wherein the electrical feedback parameter is representative of the input current, wherein the capacitor is arranged for acting as a resonance capacitor; and
a control circuit for generating a gate drive signal for controlling the switching of the first switch and the second switch in dependence on the electrical feedback parameter, wherein a high gate drive signal turns on one switch of the first and seconds switches and turns off another switch of the first and seconds switches and a low gate drive signal turns off the one switch and turns on the other switch,
a correction unit for modifying a relationship between the threshold level for the electrical feedback parameter and the rectified input voltage to the circuit,
wherein the control circuit comprises an outer control loop for setting a threshold level for the electrical feedback parameter proportional to the converter output voltage or current and the rectified input voltage without measurement of the input current, and an inner control loop for comparing the electrical feedback parameter with the threshold level to derive the gate drive signal and to provide power factor correction,
wherein the correction unit is for
modifying the threshold level for the electrical feedback parameter in dependence on the rectified input voltage before the threshold level is compared with the electrical feedback parameter;
modifying the rectified input voltage before supplying it to the outer control loop; or
modifying a measured electrical feedback parameter before comparing it with the threshold level.

US Pat. No. 10,444,334

CONTROLLING TRANSMISSION OF PULSES FROM A SENSOR

SIGNIFY HOLDING B.V., Ei...

1. Apparatus for use in one of a system of sensors each having a respective receiver which receives echoed instances of pulses; the apparatus comprising:sensing logic configured to sense a being or object in dependence on the echoed pulses received by the respective receiver from a transmitter; and
receive processing logic configured to exclude, from said sensing, instances of pulses estimated to be received from a source other than said transmitter, being excluded based on one or both of: (a) having a signal power that is low relative to a threshold, and/or (b) being received with a direction of arrival falling outside of a range of directions.

US Pat. No. 10,436,399

LIGHT EMITTING TUFTED CARPET

SIGNIFY HOLDING B.V., Ei...

1. A light emitting tufted carpet comprising:a primary backing layer provided with tufts;
a plurality of LEDs integrated among the tufts in the primary backing layer of the light emitting carpet and arranged to generate carpet light;
a first electric conductor and a second electric conductor arranged to provide power from a power source to the LEDs, with one or more of: the first electric conductor, and the second electric conductor at least partially integrated within the primary backing layer; and
wherein the carpet comprises a secondary backing layer positioned below the primary backing layer and both the primary backing layer and secondary backing layers are at least partially permeable by light and the plurality of the LEDs are positioned at a bottom surface of the secondary backing layer.

US Pat. No. 10,687,404

COMMUNICATION INTERFACE AND ARRANGEMENT

SIGNIFY HOLDING B.V., Ei...

1. A communication interface of a luminaire for enabling isolated communication between the luminaire and a connectable module, the communication interface comprising:a driver circuit adapted to receive a first DC input and second DC input, the first and second DC inputs for controlling a light emitting element of the luminaire, wherein the driver circuit is adapted to generate an AC power supply;
a primary winding adapted to be magnetically coupleable to a secondary winding for powering the connectable module and connected to the driver circuit so as to receive the AC power supply;
wherein the communication interface further comprises:
a data sensing arrangement adapted to generate a control signal indicative of an induced current or voltage variation of the primary winding, the variation being induced by a current or voltage variation of the secondary winding; and
a control arrangement comprising a control system adapted to generate a coupling control signal based on the control signal and a switch arrangement configured to controllably couple the first DC input and the second DC input together based on the control signal, such that a voltage difference between the first DC input and the second DC input is dependent upon the current or voltage variation of the secondary winding.

US Pat. No. 10,638,564

RETROFIT LIGHT EMITTING DIODE, LED, TUBE FOR ENABLING STEP DIMMING IN A MULTILAMP LUMINAIRE LIGHTING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A retrofit Light Emitting Diode, LED, tube for use in a multi lamp luminaire lighting system arranged to be powered from a single high frequency electronic ballast, the retrofit LED tube, comprising:an LED array for emitting light;
a power rectifier having an input and an output, wherein the rectifier is arranged to receive an AC supply voltage at its input, in use, to convert the AC supply voltage to a DC voltage, and to provide the DC voltage, via its output, to the LED array;
a controllable switch circuit arranged to short circuit the LED array such that the LED array does not emit light;
a control unit arranged for wirelessly receiving a dimming command and for controlling the controllable switch circuit based on the received dimming command;
a storage capacitor placed in parallel over the LED array;
a further rectifier having an input and an output, wherein the input of the further rectifier is connected to the output of the power rectifier, and wherein the output of the further rectifier is connected to the storage capacitor, wherein the storage capacitor is arranged to prevent depletion of the storage capacitor when the controllable switch circuit is short circuiting the LED array, wherein the control unit is empowered via the storage capacitor, wherein the control unit is further arranged to:
1) determine that a voltage over the storage capacitor is below a predetermined depletion threshold;
2) based on the determination that the voltage is below a predetermined depletion threshold, temporarily controlling the controllable switch circuit to not short circuit the LED array such that the storage capacitor is able to charge.

US Pat. No. 10,548,189

CONTROL OF ISOLATED AUXILIARY POWER SUPPLY AND DALI SUPPLY FOR SENSOR-READY LED DRIVERS

SIGNIFY HOLDING B.V., Ei...

1. A lighting driver for driving at least one lighting device, the lighting driver comprising:a control unit disposed on a first side of an electrical isolation barrier;
a transformer for supplying power to the at least one lighting device and comprising an auxiliary winding for supplying power to a second side of the electrical isolation barrier, the auxiliary winding being separated from the supplying of the at least one lighting device;
a power supply unit disposed on the second side of the electrical isolation barrier so as to be electrically isolated from the control unit, the control unit supplying a single enable signal across the electrical isolation barrier to the power supply unit, wherein the power supply unit includes a switching circuit (S1/S2) configured to selectively enable and disable, in response to the single enable signal, two output voltages for supplying power to an external device which communicates data with the lighting driver;
wherein the control unit is configured to supply the single enable signal having a selected one of at least three states, wherein the power supply unit is configured to switch the two output voltages such that one, both, or none of the two output voltages is supplied to the external device depending on the selected one of the at least three states, and
wherein the at least three states of the single enable signal include a steady high voltage level, a steady low voltage level, and a pulse-width-modulated (PWM) signal, and wherein the power supply unit is configured to switch the two output voltages such that one, none, or both of the two output voltages are supplied to the external device depending on whether the single enable signal has the steady low voltage level, has the steady high voltage level, or is the PWM signal.

US Pat. No. 10,434,280

BIO HUE LAMP

SIGNIFY HOLDING B.V., Ei...

1. A lighting apparatus configured to provide white light with a variable correlated color temperature, wherein the lighting apparatus comprises:a first light source configured to provide first light source light, wherein the first light source light comprises blue light having a first light source dominant wavelength selected from the range of 400-460 nm, wherein the first light source is configured to irradiate a first luminescent material with said first light source light, wherein the first luminescent material is configured to convert part of the first light source light into first luminescent material light, wherein the first luminescent material light comprises one or more of green and yellow light, and wherein the first luminescent material light has a first luminescent material dominant wavelength;
a second light source configured to provide second light source light, wherein the second light source light comprises blue light having a second light source dominant wavelength selected from the range of 450-490 nm, wherein the second light source is configured to irradiate a second luminescent material with second light source light, and wherein the second luminescent material is configured to convert part of the second light source light into second luminescent material light, wherein the second luminescent material light comprises one or more of green and yellow light, and wherein the second luminescent material light has a second luminescent material dominant wavelength;
a third light source configured to provide red light source light;
a control unit, configured to independently control the first light source, the second light source and the third light source, to provide said white light having a variable correlated color temperature, wherein said white light comprises one or more of said first light source light, said first luminescent material light, and said red light source light and, and said second light source light, said second luminescent material light, and said red light source light;
wherein the second light source dominant wavelength is greater than the first light source dominant wavelength, and wherein the first luminescent material dominant wavelength is greater than the second luminescent material dominant wavelength.

US Pat. No. 10,716,195

LIGHTING SYSTEM FOR CONTROLLING AN LED ARRAY

SIGNIFY HOLDING B.V., Ei...

1. A lighting system for controlling a lighting device, the lighting system comprising:the lighting device comprising a plurality of individually addressable light sources each having an individual address,
a processor configured to divide the plurality of individually addressable light sources into a plurality of segments of light sources by assigning segment addresses to the segments of light sources, wherein each segment comprises a unique set of one or more light sources,
wherein the lighting device further comprises a receiver configured to receive a plurality of lighting control signals via a network wherein each lighting control signal is addressed to one of the segment addresses, and
wherein the lighting device further comprises a controller configured to control at least one of the individually addressable light sources of each segment according to the lighting control signal addressed to the respective segment, and
wherein the processor is configured to receive an instruction signal from a lighting control device, which instruction signal comprises instructions for dividing the plurality of individually addressable light sources into the plurality of segments of light sources, and to divide the plurality of individually addressable light sources into the plurality of segments of light sources based on the instruction signal.

US Pat. No. 10,694,604

LIGHTING CONTROLLER, LIGHTING SYSTEM AND CONFIGURATION METHOD

SIGNIFY HOLDING B.V., Ei...

1. A lighting system controller for controlling a networked lighting system comprising one or more lighting units, the lighting system controller arranged for:enabling addition, by a user, of a sensor as a new network node to the networked lighting system,
receiving sensor information from the sensor, and
providing wireless control signals to the one or more lighting units in dependence upon the received sensor information,wherein the lighting system controller is further arranged for:in response to addition of the sensor, temporarily switch from a normal operation mode to a high sensitivity mode for assisting the user in testing the sensor function,wherein in the high sensitivity mode the lighting system controller is arranged for increasing the frequency of the polling of the sensor such that there is an increased frequency of communications between the lighting system controller and the sensor compared to the frequency of communications in the normal operational mode.

US Pat. No. 10,609,787

RECOMMENDATION ENGINE FOR A LIGHTING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A recommendation engine for a lighting system comprising:a recommendation component for generating recommendation messages to recommend lighting effects for the lighting system;
at least one data input for receiving, from a data source, data pertaining to a user of the lighting system; and
a receptiveness component configured to use the received data to compute a current receptiveness level for the user indicating a current receptiveness of the user to receiving recommendations;wherein the recommendation component is configured to selectively cause recommendation messages to be outputted to the user via a user interface, such that recommendation messages are outputted to the user when the current receptiveness level exceeds a threshold and such that recommendation messages are otherwise suppressed.

US Pat. No. 10,609,794

ENRICHING AUDIO WITH LIGHTING

SIGNIFY HOLDING B.V., Ei...

1. A method of generating a lighting effect based on metadata of an audio stream, the method comprising steps of:extracting one or more metadata items from the audio stream, wherein the metadata items comprise one or more of: artist, song, title, album, genre and mood;
ranking the metadata items from a highest ranked metadata item to a lowest ranked metadata item according to a ranking scheme;
retrieving a first set of one or more images based on the value of the highest ranked metadata item;
determining a color palette consistency of the set of images retrieved based on the highest ranked metadata item;
if said color palette consistency meets or exceeds a threshold color palette consistency, controlling a light source to generate a lighting effect based on a color palette derived from said first set of one or more images; and else
if said color palette consistency is less than a threshold color palette consistency, retrieving a second set of images based on the value of a second highest ranked metadata item according to said ranking and controlling a light source to generate a lighting effect based on a color palette derived from said second set of one or more images.

US Pat. No. 10,588,195

TUBULAR DEVICE FOR FITTING TO A TUBULAR LIGHT FITTING

SIGNIFY HOLDING B.V., Ei...

1. A tubular lighting device, comprising:a tubular housing having an elongate axis and first and second opposite ends, each of the first and second opposite ends comprising two projecting electrical connection pins;
a first pin safety circuit electrically connected to the two projecting electrical connecting pins at the first opposite end and having a first power supply output terminal;
a second pin safety circuit electrically connected to the connecting pins at the second end and having a second power supply output terminal;
a solid state lighting arrangement; and
a lighting driver circuit for driving the solid state lighting arrangement, the lighting driver circuit being connected to the first and second power supply output terminals for receiving power from the first and second pin safety circuits,
wherein the pin safety circuits each comprise a TRIAC switch having an input terminal, an output terminal and a gate terminal, wherein the input terminal is connected to one of the two projecting electrical connection pins, the gate terminal is connected to the other of the connection pins and the output terminal is connected to a respective power supply output terminal, wherein the TRIAC switch is adapted to form a closed switch in response to a voltage between the input terminal and the gate terminal, and
wherein the gate terminal of the TRIAC switch of each of the first and second pin safety circuit is connected to a respective connection pin through a resistor.

US Pat. No. 10,506,716

TUBULAR LIGHTING DEVICE ASSEMBLY

SIGNIFY HOLDING B.V., Ei...

1. A tubular solid state lighting device comprising:a light transmissive tube comprising an inner wall section axially extending along the tube;
a flexible carrier strip having a first portion attached to said inner wall section, the flexible carrier strip comprising an elongate major surface and a further elongate major surface opposite the elongate major surface, the elongate major surface carrying a plurality of solid state lighting elements on the first portion, and carrying a plurality of electrically conductive contacts each acting as a terminal for the plurality of solid state lighting elements in adjacent terminal regions at one end of the flexible carrier strip, said adjacent terminal regions being separated by a recess and an enhancing portion bridging parallel edges of the adjacent terminal regions; and
a rigid printed circuit board comprising:
a first major surface onto which a driver circuit for the solid state lighting elements is mounted, said first major surface facing the flexible carrier strip;
a second major surface opposite the first major surface carrying a plurality of spatially separated soldering pads along an edge of the second major surface, each soldering pad corresponding to one electrically conductive contact;
wherein the further elongate major surface contacts the second major surface such that each electrically conductive contact is aligned with one of the spatially separated soldering pads and is soldered to said soldering pad by a solder portion extending over the terminal region carrying said electrically conductive contact.

US Pat. No. 10,506,692

AUTOMATIC GRID MAPPING THROUGH TIMING

SIGNIFY HOLDING B.V., Ei...

1. A system configured to comprise a management device and several groups of load devices, wherein:each load device comprising a load and a detection device, wherein the detection device is configured to communicate with a management device and wherein the detection device comprises:
a detector configured to detect an on and an off switching of the load,
a timer configured to determine and store a timing of the switching of the load, and
a transmitter configured to transmit information to the management device, which information defines the timing of the switching of the load as well as an identification;
the management device configured to distinguish the several groups of load devices from each other, wherein the management device comprises
a receiver configured to receive the information from the several load devices, and
a controller configured to control the switching of loads of the several groups of load devices, wherein a first switching of first loads in a first group is configured to take place at a first moment in time, and wherein a first switching of second loads in a second group is configured to take place at a second moment in time different from the first moment in time;
wherein the system is configured to commission the several groups of load devices based on the first and second moments in time and the information transmitted from each one of the several load devices to the management device.

US Pat. No. 10,430,528

METHOD AND SYSTEM FOR MANAGING SPACE CONFIGURATIONS

SIGNIFY HOLDING B.V., Ei...

1. A system for managing sensors in a space configuration, comprising:a plurality of sensors incorporated into a space, at least one of the plurality of sensors providing a plurality of sensor pixel information of the space;
a processor:
receiving a plurality of sensor pixel information from respective selected ones of the plurality of sensors,
associating one or more of the sensor pixel information with a corresponding subspace of a plurality of subspaces of the space;
establishing a current configuration of the space associated with the corresponding subspaces, by mapping the received sensor pixel information associated with the corresponding subspace from the selected ones of plurality of sensors;
determining a center of gravity of motion within the space, using the plurality of sensor pixel information of the plurality of subspaces over a predetermined period of time, of the current configuration;
comparing the center of gravity of motion of the current configuration of the space with a center of gravity of motion within the space of a previous configuration of the space over a previous predetermined period of time;
determining whether a configuration change from the previous configuration of the space has occurred; and
adjusting a field of view of at least one of the selected ones of the plurality of sensors based on the configuration change.

US Pat. No. 10,716,189

CONTROLLER AND METHOD FOR CONTROLLING LUMINAIRES IN A LIGHTING NETWORK

SIGNIFY HOLDING B.V., Ei...

1. A luminaire controller for a luminaire comprising:a sensor input configured to receive sensor signals from at least one occupancy sensing device of the luminaire;
a communication interface for communicating with a lighting network;
a mode selector configured to select one of a set of operating modes for the luminaire based on a combination of the sensor signals and incoming occupancy messages received from the lighting network;
a local control component configured to control an illumination source of the luminaire according to the selected operating mode; and
a distributed control component configured to selectively broadcast outgoing occupancy messages via the lighting network when a first of the operating modes is selected by initiating a distributed control procedure when an initiation event occurs, the distributed control procedure, once initiated, being performed as follows:
if a randomized wait interval elapses relative to a timing of the initiation of the distributed control procedure without an incoming occupancy message being received from the lighting network, responding by broadcasting an outgoing occupancy message via the lighting network; and else
if an incoming occupancy notification is received before the randomized wait interval elapses relative to the timing of the initiation, responding by re-initiating the distributed control procedure without broadcasting an outgoing occupancy message and using a new randomized wait interval for each such re-initiation of the distributed control procedure.

US Pat. No. 10,687,407

WIRELESS LUMINAIRE CONFIGURATION

SIGNIFY HOLDING B.V., Ei...

1. A luminaire comprising:a wireless communication module for configuring the luminaire;
an optical signal detector for detecting a directional optical signal comprising source information included in the directional optical signal by a signal source of the directional optical signal; and
a controller for controlling the wireless communication module, characterized in that the controller is adapted to:
decode the source information of the coded directional optical signal to extract an identification code or a cryptographic key;
enable the wireless communication module such as to establish a wireless communication link between the wireless communication module and the signal source if the extracted identification code matches a reference code; or
encrypt data sent over the wireless communication link in accordance with said cryptographic key.

US Pat. No. 10,687,408

METHODS, DEVICES AND A SYSTEM FOR TAKING OVER A LIGHT EFFECT BETWEEN LIGHTING DEVICES, WHEREIN EACH DEVICE COVERS A DIFFERENT COVERAGE AREA

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling a lighting device of a lighting system comprising a plurality of lighting devices, wherein each lighting device is associated with its own coverage area and wherein each lighting device is arranged for rendering a light effect within its own coverage area, wherein said plurality of lighting devices in said system are provided such that the corresponding coverage areas associated to the lighting devices are adjacent to each other, wherein each lighting device is further associated with its own observing area and wherein each lighting device comprises a camera arranged for observing its own observing area, wherein each observing area covers at least its corresponding coverage area and overlaps with a part of the coverage area of an adjacent lighting device, said method comprising the steps of:detecting, by said camera of said lighting device, within its corresponding observing area, an incoming light effect in said observed area rendered by an adjacent lighting device in said lighting system; wherein the incoming light effect is a moving light effect with a speed and a trajectory and said step of detecting comprises detecting the direction and the speed of said incoming light effect;
determining, by said lighting device, that said incoming light effect is to enter said coverage area of said lighting device at a first entry location of said coverage area, wherein said step of determining comprises determining said first entry location by extrapolating the trajectory of the detected incoming light effect;
taking over, by said lighting device, said incoming light effect, by rendering, by said lighting device a light effect directed to a second entry location of said coverage area.

US Pat. No. 10,681,787

LIGHTING SYSTEM AND A METHOD OF ESTIMATING AN END OF LIFE OF AT LEAST ONE LAMP THEREOF

SIGNIFY HOLDING B.V., Ei...

1. A lighting system comprising at least one lamp, a processing unit for estimating an end of life of the at least one lamp, and a weather station communicatively connected to the processing unit, wherein the weather station is arranged in proximity of the at least one lamp, the processing unit being configured to:receive a lamp burning time during which the at least one lamp is turned on,
receive, from the weather station, a forecasted temperature for the weather at a location of the at least one lamp for a selected period of time in the future, and
estimate the end of life of the at least one lamp based on the lamp burning time and the forecasted temperature; and
the weather station is configured to:
forecast the temperature at the location of the at least one lamp, and
send the forecasted temperature to the processing unit.

US Pat. No. 10,681,789

ADAPTIVE LIGHTING BASED ON SKILL LEVEL

SIGNIFY HOLDING B.V., Ei...

1. A computer-implemented method, comprising:identifying, by one or more processors, a skill disparity between at least two players of a game based on player skill data provided by a player skill engine;
selecting, based on the skill disparity between the at least two players, by the one or more processors, an ambient lighting scheme from a database to reduce an impact the skill disparity has on an outcome of the game, wherein the ambient lighting scheme comprises a property of emitted light selected to impair or enhance an ability of a first player of the at least two players to play the game;
selecting, by the one or more of processors, one or more ambient light sources from a plurality of ambient light sources based on positions of the at least two players relative to the plurality of ambient light sources; and
operating, by the one or more processors, the one or more ambient light sources to emit ambient light in accordance with the ambient lighting scheme.

US Pat. No. 10,681,792

SYSTEMS AND METHODS FOR AUTOMATIC LIGHTING FIXTURE LOCATION MAPPING

SIGNIFY HOLDING B.V., Ei...

1. A method for mapping a plurality of lighting fixtures to a plurality of spatial locations, each lighting fixture having a sensor, the method comprising:obtaining a first dataset corresponding to strengths of signals received by the sensor of each of the plurality of lighting fixtures from every other one of the plurality of lighting fixtures, wherein the first dataset includes at least light intensity data, and a second dataset corresponding to distances between each of the plurality of spatial locations to every other one of the plurality of spatial locations,
applying a heuristic evaluation using the first and second datasets to identify one or more possible mappings of the plurality of lighting fixtures to the plurality of spatial locations in a floor plan; and
wherein each mapping being a sequence specifying the spatial location of each lighting fixture within the floor plan.

US Pat. No. 10,674,581

OPTIMIZING MULTICHANNEL LUMINAIRE CONTROL USING A COLOR EFFICIENT MATRIX

SIGNIFY HOLDING B.V., Ei...

1. A computing device, comprising:a processor; and
a memory configured to store instructions that when executed by the processor, cause the processor to perform steps that include:
identifying a channel of a multichannel luminaire, wherein the multichannel luminaire includes a plurality of channels, wherein each channel is adapted to emit light with a particular color, wherein the multichannel luminaire is located in an area that includes a network of multichannel luminaires;
accessing a color coefficient matrix to identify a color coefficient matrix value that indicates a proportion of light a channel contributes to the area, wherein the color coefficient matrix identifies individual multichannel luminaires in an area with a network of multichannel luminaires and includes values corresponding to a portion of light each channel of each multichannel luminaire contributes to a light color in a location in the area at a respective dimming level; and
generating a control signal for the multichannel luminaire to mimic natural light, by adjusting the contributions of light color of the channel to correspond to the value of the color coefficient matrix.

US Pat. No. 10,674,587

CONTROL SYSTEM FOR A SURVEILLANCE SYSTEM, SURVEILLANCE SYSTEM AND METHOD OF CONTROLLING A SURVEILLANCE SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A surveillance system comprising a lighting system comprising a plurality of lighting apparatuses including one or more lights; a surveillance imaging device arranged to capture image data of a monitored area illuminated by one or more of the lighting apparatuses; anda control system comprising:
an image processor arranged to receive the image data from the surveillance imaging device, wherein the image data comprises a plurality of frames, and wherein the image processor is arranged to analyse each frame of the image data to obtain an image quality parameter for each frame;
a controller arranged to determine a difference between a value of the image quality parameter for a current frame and a reference value of the image quality parameter, wherein if said difference is greater than a threshold value the controller is arranged to repeat a process of:
sending to the lighting system control information for controlling a lighting parameter of at least one of the plurality of lighting apparatuses so as to change illumination of the monitored area; and
determining a new difference between a value of the image quality parameter for a new current frame and the reference value of the image quality parameter;
wherein the process is repeated until said new difference is less than or equal to a threshold value; and
wherein the image processor arranged to receive information on a selection of a portion of the image data of each frame, and wherein the image processor is arranged to obtain the image quality parameter for each frame based only on the portion of the image data.

US Pat. No. 10,674,589

DERIVING A WHITE-POINT FOR USE IN A MULTI-COLOR LIGHT SCENE

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling a first lighting device, the method comprising:receiving a set of colors, selected by a user and rendered by further lighting devices,
determining a set of white points comprising a white point for each of a plurality of colors in the set of colors previously selected by the user, the selection comprising selecting the set of colors via selecting an image from which the plurality of colors are extracted,
determining a single white point based on the set of white points, and
controlling the first lighting device to emit white light according to the determined single white point.

US Pat. No. 10,667,344

RETROFIT LED LAMP

SIGNIFY HOLDING B.V., Ei...

1. A retrofit lamp to be used with a lighting ballast, comprising:a first pair of connectors and a second pair of connectors,
a filament emulation circuit between the connectors of the first pair and/or between the connectors of the second pair,
a voltage detector to detect a voltage across the filament emulation circuit;
at least two LED segments; and
a reconfiguration circuit adapted to connect the at least two LED segments in a series configuration or a parallel configuration depending on whether the voltage is detected or not.

US Pat. No. 10,667,369

DEVICE, SYSTEM, AND METHOD FOR DETERMINING AN ADDRESS OF A COMPONENT ARRANGED IN A STRUCTURE

SIGNIFY HOLDING B.V., Ei...

1. A system for determining addresses of nodes, comprising:an arrangement including:
a first string including first nodes of the nodes;
a splitter including a plurality of splitter outputs; and
a second string connected to a first one of the splitter outputs, the second string including second nodes of the nodes;
a controller device connected to a first end of the first string, a second end of the first string connected to the splitter; and
a bus configuration configured to connect the nodes to one another and to the controller device, the bus configuration including:
a first line for transmitting signals in a first direction; and
a second line transmitting signals in a second direction,
wherein the controller device is configured to transmit a first signal on the first line that is received by the first nodes,
wherein the controller device is configured to sequentially receive first responses to the first signal on the second line from the first nodes each within a predetermined time period,
wherein each of the first nodes utilizes a first node output to transmit the first signal on the first line after transmitting the respective first response,
wherein the controller device is configured to assign first addresses to the first nodes based on the sequential receiving of the first responses,
wherein the controller device is configured to determine a time out of the first signal when no further response is received within the predetermined time period from the first string,
wherein the controller device is configured to generate a second signal that defines a path to a selected one of the splitter outputs,
wherein the controller device is configured to transmit the second signal on the first line to be received by the splitter,
wherein, when the selected splitter output is the first splitter output, the controller device is configured to sequentially receive second responses to the first signal on the second line from the second nodes each within the predetermined time period, and
wherein the controller device is configured to assign second addresses to the second nodes based on the sequential receiving of the second responses.

US Pat. No. 10,631,381

ILLUMINATION CONTROL

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling a lighting system for providing illumination of a space, said method comprising:detecting one or more input events relating to said lighting system;
determining an updated illumination pattern based on said one or more input events;
determining a confidence metric associated with said updated illumination pattern, wherein the confidence metric represents a likelihood that said updated illumination pattern is desired by or acceptable to a user in said space;
determining whether or not to apply said updated illumination pattern automatically, based on a determination whether said confidence metric is above a threshold or not;
providing, in the case that the updated illumination pattern is not applied automatically, a prompt to said user indicative of said updated pattern;
receiving an input from said user in response to said prompt; and
controlling said lighting system to apply said updated illumination pattern conditionally in response to said received user input,
wherein said updated illumination pattern comprises a time sequence of lighting settings, and wherein said confidence metric varies in accordance with the length of said time sequence.

US Pat. No. 10,624,186

LIGHTING DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A lighting device, comprising:an optical deglaring plate comprising an array of conical optical structures for optically processing received light;
a lighting assembly comprising a plurality of light sources, the lighting assembly being adapted to project a plurality of light outputs onto an incident surface of the optical deglaring plate, the light outputs combining to generate a luminous pattern on said incident surface; and
a controller adapted to control a configuration of the lighting assembly so as to vary the luminous pattern in dependence upon one or more variables,
wherein one or more of the plurality of light sources are moveable relative to the optical deglaring plate, and
wherein the controller is adapted to control movement of said one or more light sources in order to vary the luminous pattern,
wherein the lighting assembly comprises one or more light-shaping arrangements, each comprising at least one of the plurality of light sources and at least one light shaping mask arranged in the light path of the at least one of the plurality of light sources for altering a shape of a respective light output projected by the arrangement onto the optical deglaring plate, and
wherein the at least one light shaping mask of one or more of said light-shaping arrangements is moveable relative to the optical deglaring plate, and wherein the controller is adapted to control movement of said at least one light-shaping mask in order thereby to vary the luminous pattern.

US Pat. No. 10,624,159

DRIVER WITH AT LEAST FOUR DIFFERENT STATES

SIGNIFY HOLDING B.V., Ei...

1. A driver for driving a load circuit, wherein the driver comprisesa supply circuit configured to provide a supply current signal from a mains source to the load circuit,
a storage circuit configured to store energy destined for the load circuit,
a switch circuit coupled with the storage circuit and the supply circuit, wherein the switch circuit is configured to be coupled with the load circuit
a controller for controlling the switch circuit, wherein when the switch circuit is coupled to the load circuit, the controller is configured to control the switch circuit to bring the driver into
a charge state for charging the storage circuit via the supply current signal;
a bypass state for bypassing the storage circuit;
dependent discharge state for discharging of the storage circuit via the load circuit, whereby the supply current is not blocked; and
wherein the controller is further configured to control the switch circuit to bring the driver into an independent discharge state for discharging the storage circuit via the load circuit, whereby the supply current signal is blocked for a time duration.

US Pat. No. 10,536,864

METHOD FOR MANAGING A NEIGHBOR TABLE AND COMMUNICATION APPARATUS ADAPTED FOR MANAGING A NEIGHBOR TABLE

SIGNIFY HOLDING B.V., Ei...

1. A method of managing a neighbor table in a communication apparatus the method comprising the steps ofthe communication apparatus maintaining a neighbor table comprising a plurality of neighboring table entries corresponding to respective neighboring nodes being communication nodes in direct communication range of the communication apparatus,
said maintaining including, upon determination that the neighbor table capacity has reached a threshold, replacing a neighbor table entry corresponding to a neighboring node from the neighbor table by a new neighbor table entry corresponding to a new neighboring node based on the determination that the new neighboring node is a communication partner, wherein a communication node is defined as a communication partner if at least one the following conditions is met:
condition a a message including the communication partner as source address has been received by the communication apparatus, or
condition b a message including the communication partner as destination address has been transmitted by the communication apparatus,
wherein the neighboring node is either not a communication partner of the communication apparatus or is a communication partner with a link quality between the communication apparatus and the neighboring node being lower than a link quality between the communication apparatus and the new neighboring node.

US Pat. No. 10,451,776

OPTICAL BEAM SHAPING DEVICE AND SPOT LIGHT USING THE SAME

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:an extended light source being arranged for emitting light from both centered and non-centered positions;
an optical device configured to collimate light of said light source along an optical direction, said optical device comprising:
a source surface arranged to receive light, wherein said source surface comprises a central portion and a Fresnel portion including at least one tooth for deflecting light;
a forward surface arranged to output at least the deflected light from the Fresnel portion into a collimated light along said optical direction;
a lens body delimited by said source surface and said forward surface; and
a peripheral element arranged to reflect light that originates from the non-centered position and that is internally reflected by total inner reflection at said forward surface towards said optical direction to contribute to said collimated light,
wherein the peripheral element surrounds at least a portion of the Fresnel portion to collimate light that is not collimated by the Fresnel portion.

US Pat. No. 10,411,826

DYNAMIC LIGHT CHANNEL

SIGNIFY HOLDING B.V., Ei...

1. A lighting actuator for communicating data from a source node unit communicatively coupled with the lighting actuator to a data end node unit wirelessly via light waves, wherein the lighting actuator comprises:a network interface to receive a first temporary data path definition assigning the lighting actuator to embed data from the source node unit into light waves for emission to the data end node unit and a light channel configuration assigning respective light channels to a respective data end node units including the data end node unit in accordance with an application control plan coordinating operation of a plurality of lighting actuators, and
a processor to assign a light channel to the data end node unit according to the light channel configuration received by the lighting actuator, wherein data communication addressed to the data end node unit and received in accordance with the temporary data path definition is forwarded to the data end node unit using the assigned light channel.

US Pat. No. 10,708,996

SPATIAL LIGHT EFFECTS BASED ON LAMP LOCATION

SIGNIFY HOLDING B.V., Ei...

1. A lighting system for providing a lighting scene in an environment occupied by a user comprising:a plurality of illumination sources,
each respective one of the illumination sources having a respective location sensor arranged to detect a respective location of the respective illumination source relative to at least one point defined independently of the lighting scene and
at least one of the illumination sources further having at least one of an orientation sensor arranged to detect an orientation of the at least one illumination source, a luminaire type sensor arranged to detect a type of the at least one illumination source, and a distance sensor arranged to detect a distance of an effect surface of the lighting scene from the at least one illumination source; and
a controller comprising one or more control units arranged to provide control signals to the plurality of illumination sources in order to control the illumination sources to render the lighting scene;
wherein the controller is arranged to
determine an effect location of an illumination effect from the at least one of the illumination sources based on the detected location and the detected distance of the effect surface from the at least one illumination source and at least one of the detected orientation and detected type of said at least one illumination source;
adapt the control signals based on the detected illumination source locations and the determined effect location for the at least one illumination source, thereby rendering the lighting scene relative to said at least one point.

US Pat. No. 10,667,348

LIGHTING DEVICE AND LIGHTING SYSTEM FOR BALLAST TYPE DETECTION AND METHOD OF PROVIDING MAINTENANCE INFORMATION

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising a connector arranged for being installed in a lighting fixture comprising a ballast for powering said lighting device, said lighting device comprising:a light emitting diode module;
a driver circuit, operatively connected between said connector and said light emitting diode module, arranged for controlling supply of power to said light emitting diode module;
a ballast type detection circuit, operatively connected to said connector, arranged for determining ballast type detection data from power signals supplied by said ballast to said connector, and
a communication circuit, operatively connected to said ballast type detection circuit, arranged for exchanging said ballast type detection data;
wherein said ballast type detection circuit is arranged for establishing a type of ballast based on said ballast type detection data.

US Pat. No. 10,667,368

LIGHTING DEVICE WITH TIMING CIRCUIT SYNCHRONISATION

SIGNIFY HOLDING B.V., Ei...

1. A method of synchronizing a timing circuit, in particular a real time clock circuit, in a lighting device that is periodically powered from a main power supply in accordance with a power supply cycle having a power-on time and a power-off time, said lighting device comprising a light emitting module and a control circuit for switching said light emitting module based on said timing circuit and comprising a non-volatile memory, said timing circuit being additionally powered from an auxiliary power supply charged by said main power supply, said method comprising the steps of:determining, by said control circuit, at each power-on of said power supply cycle, a power condition of said auxiliary power supply,
storing, by said control circuit, in said memory, a momentary timing value of said timing circuit if said determined power condition exceeds a set power threshold, and
setting, by said control circuit, said timing circuit at said stored timing value if said determined power condition is below said set power threshold.

US Pat. No. 10,645,773

SYSTEM AND METHOD FOR MANAGING LIGHTING BASED ON POPULATION MOBILITY PATTERNS

SIGNIFY HOLDING B.V., Ei...

1. A method for managing lights a in plurality of areas, the method comprising, by a computing device:determining demographic data associated with at least one person in a group of persons;
selecting a policy for controlling the lights in the plurality of areas based on the determined demographic data;
causing the lights to be controlled according to the policy;
determining, using mobility data, a mobility pattern of the group of persons in the plurality of areas by analyzing the mobility data associated with personal devices of the at least one person;
determining an expected mobility pattern based on the policy;
analyzing a change in the mobility pattern to determine candidate areas of faulty lighting, by correlating a change in the mobility pattern from a first area and a second area of the plurality of areas, and the expected mobility pattern based on the policy, and
identifying candidate faulty lights based on geo-locations of lights in the candidate areas.

US Pat. No. 10,624,161

SWITCHED MODE POWER SUPPLY DRIVER INTEGRATED WITH A POWER TRANSMISSION ANTENNA

SIGNIFY HOLDING B.V., Ei...

1. A driver comprising:a switched mode power supply adapted to be electrically coupled to a load (Rload) and provide power supply to the load (Rload), wherein said switched mode power supply comprises an existing coil, wherein said existing coil is a power inductor of the switched mode power supply which power inductor has an active powering duration and a passive freewheeling duration so as to provide power supply to the load (Rload),
the driver circuit further comprises:
a first power transmission antenna formed as a first coil which is coupled to the existing coil of the switched mode power supply,
said first power transmission antenna is adapted for being magnetically coupled to a second power receiving antenna external to said driver and different from the load (Rload), thereby forming a wireless power transmitter, and
wherein a jumper is placed in parallel with the first power transmission antenna and used for short circuiting the first power transmission antenna, when a power transmission from said first power transmission antenna is not required.

US Pat. No. 10,609,795

FAULT DETECTION SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A fault detection system for detecting faulty devices among a first plurality of serviceable devices, the first plurality of serviceable devices comprising a light source arranged for illuminating a surrounding area of the light source, the first plurality of serviceable devices being distributed across a geographic area, the system comprising:the first plurality of serviceable devices, a serviceable device of the first plurality of serviceable devices comprising a wireless transmitter arranged to periodically transmit a wireless signal, the wireless signal being receivable in a transmission range surrounding the serviceable device, the wireless signal encoding information, the information comprising at least a device identifier corresponding to the serviceable device uniquely identifying the serviceable device within the first plurality of serviceable devices, the wireless signal being light emitted by the light source modulated by the wireless transmitter to encode the information,
a plurality of mobile devices, a mobile device of the plurality of mobile devices comprising:
a receiver comprising a light sensor arranged to receive the wireless signal of a serviceable device within the transmission range, and to obtain the device identifier from the wireless signal, and
a local storage unit for storing a list of received device identifiers, the receiver being arranged to add a device identifier received by the receiver to the list,
a computer network sender arranged to send the list of device identifiers to a fault detector, and
the fault detector arranged to detect faulty devices, the fault detector comprising:
a computer network receiver arranged to receive multiple lists from multiple mobile devices of the plurality of mobile devices,
a database storing a plurality of device identifiers of the first plurality of serviceable devices,
a fault detection unit arranged to select device identifiers in the plurality of device identifiers for which no device identifier was received in a time period,
wherein the fault detection unit assigns a fault likelihood to serviceable devices in the first plurality by: assigning an initial fault likelihood to serviceable devices in the first plurality, decreasing the fault likelihood assigned to a serviceable device in case a list is received comprising the device identifier of the serviceable device, and selecting faulty devices in the first plurality depending on the assigned fault likelihood.

US Pat. No. 10,582,593

METHODS AND APPARATUS FOR INFORMATION MANAGEMENT AND CONTROL OF OUTDOOR LIGHTING NETWORKS

SIGNIFY HOLDING B.V., Ei...

1. A light management information system for an outdoor lighting network system, comprising:a plurality of outdoor light units each including at least one sensor type, where each of the outdoor light units communicates with at least one other outdoor light unit;
at least one user input/output device in communication with at least one or more of said outdoor light units;
a central management system in communication with said outdoor light units, said central management system sends control commands and/or information to one or more of said outdoor light units, in response to received outdoor light unit status/sensor information from one or more of said outdoor light units or received user information requests from said user input/output device;
a resource server in communication with said central management system;
wherein the central management system uses the outdoor light unit status/sensor information and/or resources from the resource server to provide information to the user input/output device and/or reconfigure one or more of the outdoor lights units; and
wherein the at least one user input/output device sends/receives wireless signals to said plurality of outdoor light units, said wireless signals having a user identity, and said central management system having a user database for storing user related information, including user specified requests and relative location to a respective outdoor light unit, and
wherein the central management system in response to a user information request changes the lighting characteristics of respective light units for directional path lighting, wherein the lighting characteristics are selected from the group consisting of power, illumination patterns, illumination intensities, illumination spectrums, color temperature, illumination polarizations, light unit sequence, light unit position and orientation.

US Pat. No. 10,542,597

LIGHTING CONTROL CIRCUIT AND METHOD FOR MULTIPLE LEDS

SIGNIFY HOLDING B.V., Ei...

1. A lighting control circuit, comprising:a controller configured to generate a first drive signal, a second drive signal, the second drive signal being temporally non-overlapping with respect to the first drive signal;
a reference control circuit configured to generate a reference voltage;
a current source configured to deliver a current to a first LED and a second LED, wherein the current is proportional to the reference voltage so that a desired value of the current is achieved when the reference voltage has a high value;
a first switch configured to switch from an open position, when driven by the first drive signal having a low value, to a closed position when driven by the first drive signal having a high value, wherein the first switch is positioned to interrupt current flow through the first LED when the first switch is in the open position; and
a second switch configured to switch from an open position, when driven by the second drive signal having a low value, to a closed position when driven by the second drive signal having a high value, wherein the second switch is positioned to interrupt current flow through the second LED when the second switch is in the open position,
wherein the reference control circuit is arranged to generate the high value of the reference voltage only after one of the first drive signal and the second drive signal has the high value, and
wherein the current from the current source is adjustable by a current control loop that is configured to receive the reference voltage as an input,
wherein the reference control circuit comprises:
a first voltage source having a first voltage value being configured to set the value of the reference voltage to the first voltage value when a first switch is in a closed position; and
a second voltage source having a second voltage value being configured to set the value of the reference voltage to the second voltage value when a second switch is in a closed position.

US Pat. No. 10,539,730

LIGHT SOURCE WITH DIFFRACTIVE OUTCOUPLING

SIGNIFY HOLDING B.V., Ei...

1. An illumination device comprising:a plurality of solid state light sources and
a concentrating wavelength converter arranged to inject light from said light sources through at least one entrance surface and to extract wavelength converted light from at least one exit surface,
wherein said wavelength converter is configured to provide total internal reflection of converted light when an incidence angle at a side surface is between an angle A and 90 degrees, where the angle A is determined by the refractive index of the converter and the surrounding media, respectively, and wherein the geometry of said wavelength converter is such that an incidence angle of converted light at said exit surface, after total internal reflection in said side surface, is in a range including angles greater than the angle A, wherein the angle A is defined as A=a sin(nsurr/nconv) where nsurr is the index of refraction of the surrounding media of the wavelength converter and where nconv is the index of refraction of the material forming the wavelength converter,
a structured layer provided on said exit surface, wherein said structured layer has a structure period less than 5 micrometers, so as to enable out-coupling by a combination of refraction and diffraction, and the index of refraction of the material forming said structured layer is equal to or greater than nconv?0.3.

US Pat. No. 10,468,910

LOAD POWERED VIA SUPPLY OR RE-CHARGEABLE SOURCE

SIGNIFY HOLDING B.V., Ei...

1. An apparatus for driving a load, the apparatus comprising: an input configured to, in a first state, receive an input signal, an output configured to, in the first state, provide a first output signal to a series arrangement of the load and a source, wherein the first output signal is configured to feed the load and to charge the source with input power provided via the input signal, and a converter comprising a conductor-switch, a first diode and an inductor, the converter configured to, in a second state different from the first state, convert a source signal from the source into a second output signal destined for the load, wherein the second output signal is configured to feed the load with source power provided by the source, and wherein the converter is further configured to regulate a value of the first output signal by at least alternating the conductor-switch between a first mode and a second mode, such that in the first mode the converter bypasses the series arrangement, wherein in the first mode, the converter couples the inductor and the source for charging the inductor, and in the second mode, the inductor after being charged provides the second output signal to the load;wherein the input comprises first and second input terminals, wherein the output comprises first and second output terminals configured to be coupled to the load and third and fourth output terminals configured to be coupled to the source, and wherein a first contact of the inductor is coupled to the first input terminal, wherein a second contact of the inductor is coupled to a first contact of the first diode and to a first contact of the converter-switch, wherein a second contact of the first diode is coupled to the first output terminal, wherein a second contact of the converter-switch is coupled to the fourth output terminal and to the second input terminal, wherein the third output terminal is coupled to a first contact of a second diode and to the second output terminal, and wherein a second contact of the second diode is coupled to the first input terminal.

US Pat. No. 10,667,346

LIGHTING CONTROL CONFIGURATION

SIGNIFY HOLDING B.V., Ei...

1. A method for configuring a lighting system including one or more sensors for controlling one or more lighting units for providing illumination of an area, said method comprising:obtaining one or more images of the area;
for a given sensing function, identifying, based on said obtained one or more images, at least one target area where said sensing function is to occur;
determining, based on said obtained one or more images and said identified at least one target area, one or more sensor locations suitable for providing said sensing function at said target area; and
prompting a user to provide a new sensor or move an existing sensor to said one or more sensor locations.

US Pat. No. 10,631,379

CONTROLLING A LIGHTING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling a plurality of luminaires of a lighting system, the method comprising the following steps:capturing with an imaging device, by a user adopting a stationary position, at least one image of the luminaires in a predominant field of view of the user in the stationary position;
processing the at least one image to determine the predominant field of view of the user in the stationary position and a location of each of the luminaires relative to the determined predominant field of view of the user; and
controlling the plurality of luminaires of the lighting system to emit illumination, based on their determined locations relative to the predominant field of view of the user in the stationary position, wherein determining the predominant field of view comprises determining at least a predominant center gaze region for the user in the stationary position within the at least one image, and a predominant peripheral vision region for the user within the at least one image, wherein the luminaires are controlled differently based on whether they are within the center gaze region or the peripheral vision region.

US Pat. No. 10,616,978

LIGHTING ARRANGEMENT, COMPUTER PROGRAM PRODUCT, MOBILE COMMUNICATION DEVICE AND LIGHTING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A lighting arrangement comprising:a lighting device having an adjustable luminous output;
a control arrangement communicatively coupled to the lighting device, the control arrangement including a controller adapted to adjust the luminous output of the lighting device, a data storage device accessible by the controller storing calibration data for a light measurement device of a mobile communication device, the calibration data being a function of a distance between the mobile communication device and the lighting device, a function of a height of the lighting device, and a function of an orientation of the mobile communication device with respect to the lighting device, and a communication module communicatively coupled to the controller, wherein the control arrangement is adapted to:
control the lighting device such that the lighting device produces a predefined luminous output;
receive a luminous output measurement from the mobile communication device at the distance and the orientation with respect to the lighting device;
retrieve distance information regarding the distance between the mobile communication device and the lighting device from the calibration data based on the received luminous output measurement;
retrieve height information regarding the height of the mobile communication device with respect to the lighting device based on the received luminous output measurement;
retrieve orientation information regarding the orientation of the mobile communication device with respect to the lighting device based on the received luminous output measurement;
calculate a difference between a desired luminous output and the measured luminous output at the location of the mobile communication device from the received luminous output measurement, wherein the desired luminous output is a brightness of the lighting device; and
adjust the luminous output of the lighting device with the controller in accordance with the calculated different based on the retrieved distance information, the retrieved height information, and the retrieved orientation information.

US Pat. No. 10,595,381

CONTROLLING POWER USAGE IN APPLIANCES

SIGNIFY HOLDING B.V., Ei...

1. An appliance unit electrically connected in series to a control unit and to a power supply via the control unit, the appliance unit comprising a plurality of modules, including:an appliance module comprising at least one controllable light generating module and at least one controllable auxiliary module for performing functionality other than light generating; and
a control module for negotiating a power mode for the appliance unit with the control unit, the power mode defining which of the at least one controllable light generating module and/or at least one controllable auxiliary module are to be switched on and supplied with power and which of the at least one controllable light generating module and/or at least one controllable auxiliary module are to be switched off and not supplied with power, and controlling the appliance module based on the power mode; and
a bypass module for passing current through the appliance unit, such that the bypass module is configured to pass a current to enable the control unit to be powered separately from any current passed by the appliance module, wherein the bypass module selectively provides a current path in parallel to the appliance module;
wherein the at least one controllable auxiliary module comprises a transceiver for wirelessly receiving a power mode command from the control unit for controlling the power mode of the appliance unit, and wherein the control module is configured to selectively switch on the transceiver based on a further power mode command received from the control unit via the series electrical connection.

US Pat. No. 10,595,382

METHOD AND SYSTEM FOR CONTROLLING A LIGHTING DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling a lighting device, the method comprising:generating, by a first device, a signal comprising information representative of associations between a plurality of orientations and a plurality of light settings, transmitting the signal,
receiving, by the lighting device, the signal,
detecting, by an orientation detector comprised in the lighting device, a first orientation of the lighting device,
selecting a light setting associated with one of the plurality of orientations based on the first orientation, and
controlling the lighting device according to the selected light setting.

US Pat. No. 10,588,190

LED LIGHTING ARRANGEMENT

SIGNIFY HOLDING B.V., Ei...

1. An LED lighting arrangement comprising:an LED load comprising a number of LEDs;
input terminals for connection to a power supply realised to provide an input voltage at a primary input voltage level;
a voltage boost module realised to boost the input voltage to a level above the primary input voltage level on the basis of a dim level input signal; and
a dimming module realised to decrease the LED current through the LED load when the boosted voltage exceeds the primary input voltage level.

US Pat. No. 10,564,253

METHODS AND APPARATUS FOR LIGHT-BASED POSITIONING AND NAVIGATION

SIGNIFY HOLDING B.V., Ei...

1. A computer-implemented method for commissioning a light source, comprising:placing a commissioning device in a lighting effect projected by the light source onto a surface;
determining, by the commissioning device, a location of the commissioning device within an environment; and
transmitting, by the commissioning device to the light source, a location of the lighting effect within the environment, wherein the location of the light effect is based at least in part on the determined location of the commissioning device.

US Pat. No. 10,545,724

METHOD AND APPARATUS FOR PROXIMITY DETECTION FOR DEVICE CONTROL

SIGNIFY HOLDING B.V., Ei...

1. A controller for granting a user input device control of a lighting device comprising at least one light source, the controller comprising:a receiver arranged for receiving a first sound signal recorded within a first time frame by a first sound sensor and a second sound signal recorded within a second time frame by a second sound sensor located at the user input device, and for receiving a control command based on user input from the user input device, and
a processor arranged for determining a level of similarity between the first sound signal and the second sound signal, and for determining, based on the level of similarity, whether the first and second sound signals were recorded in the same control space of the lighting device, wherein the first time frame and the second time frame at least partially overlap, and for granting the user input device control of the lighting device if a sufficient level of similarity has been determined,
wherein the controller is further arranged for controlling the lighting device based on the control command when control of the lighting device has been granted to the user input device.

US Pat. No. 10,473,275

LIGHTING DEVICE WITH PLURALITY OF STACKED LUMINESCENT CONCENTRATORS

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:a plurality of luminescent concentrators including at least a first luminescent concentrator and a second luminescent concentrator, each luminescent concentrator of the plurality of luminescent concentrator comprising an elongated light transmissive body having a first face and a second face defining a length of the elongated body, the elongated body comprising one or more side edges, wherein one or more side edges comprise one or more radiation input faces, wherein the second face comprises a radiation exit window; the elongated light transmissive body comprising a luminescent material configured to convert at least part of a pump radiation received at the one or more radiation input faces into luminescent material light, and each luminescent concentrator configured to couple at least part of the luminescent material light out at the radiation exit window as converter light;
a plurality of light sources configured to provide light source radiation as first pump radiation to the one or more radiation input faces of a first luminescent concentrator;
said first luminescent concentrator comprising a first luminescent material configured to convert at least part of the first pump radiation into first luminescent material light, and configured to couple at least part of the first luminescent material light out at the first radiation exit window as first converter light;
said second luminescent concentrator configured parallel to the first luminescent concentrator with a side edge of the first luminescent concentrator configured parallel to a side edge of the second luminescent concentrator, wherein the second luminescent concentrator is configured to receive at said side edge of the second luminescent concentrator one or more of said first pump radiation and said first luminescent material light escaping from said side edge of said first luminescent concentrator as second pump radiation, the second luminescent concentrator comprising a second luminescent material configured to convert at least part of the second pump radiation into second luminescent material light, and configured to couple at least part of the second luminescent material light out at the second radiation exit window as second converter light; and
wherein one or more of the luminescent concentrators are longer than one or more of the other luminescent concentrators, thereby providing one or more luminescent concentrator extending parts extending relative to the one or more other luminescent concentrators, and wherein a subset of one or more light sources is configured to provide light source radiation to the one or more luminescent concentrator extending parts.

US Pat. No. 10,465,856

LIGHTING DEVICE WITH A FLEXIBLE CIRCUIT STRIP WRAPPED AROUND A SUPPORT

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprisinga light transmitting housing and
a solid state light source carrier arranged inside the housing, characterized in that the carrier includes
a cylindrical support having two polygon base surfaces and a number of side surfaces, at least a first side surface and a second side surface, and
a flexible circuit strip having a plurality of solid state light sources mounted thereon, the strip being wrapped around the cylindrical support so that the strip extends at least once across each base surface, and extends at least once across each side surface and said strip extends from the first side surface to the second side surface across a base surface.

US Pat. No. 10,465,882

METHODS AND APPARATUS FOR CONTROLLING LIGHTING

SIGNIFY HOLDING B.V., Ei...

1. An interactive system for controlling redirectable lighting in a lighting environment, comprising:an interactive display having a representation of said lighting environment, said representation including at least one repositionable lighting representation;
said repositionable lighting representation associated with at least two redirectable light sources and including a first light source representation, a second light source representation, a first lighting effect representation and a second lighting effect representation;
said first light source representation including at least one of a source variable size and a source variable shading corresponding to a current value of an adjustable lighting parameter of a first redirectable light source of said at least two redirectable light sources;
said first lighting effect representation including at least one of an effect variable size and an effect variable shading corresponding to a lighting effect of said first redirectable light source at a current position of said first lighting effect representation, which is repositionable, wherein a location and size of said first lighting effect representation is based on a distance between an object illuminated by said lighting effect and said first redirectable light source,
wherein an adjustable lighting parameter of a second redirectable light source of said at least two redirectable light sources is altered in response to a motion gesture, in or on said display, altering a position of said second lighting effect representation with respect to said second light source representation while said second light second representation is stationary.

US Pat. No. 10,465,897

LIGHTING DEVICE WITH CONNECTOR FOR ADD ON ELECTRICAL DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:a solid state light source;
a first portion adapted to receive a direct or alternating current power source;
a second portion mounted on the first portion, the second portion having an outer surface, wherein at least a portion of the outer surface of the second portion is light transmissive for outputting light originating from the solid state light source;
a metal heat sink extending at least partly along the outer surface of the second portion, the metal heat sink arranged to be in thermal contact with the solid state light source; and
a connector arranged at a position on the metal heat sink for connecting an electrical device from outside of the lighting device, the position on the metal heat sink being on a part of the metal heat sink that extends along the outer surface of the second portion;
wherein a distance from the first portion to the connector is longer than a distance from the first portion to at least one light transmissive portion of the outer surface of the second portion.

US Pat. No. 10,458,603

TUBULAR LIGHTING ASSEMBLY WITH ELASTIC ELONGATED SUBSTRATE AND METHOD OF MANUFACTURING A TUBULAR LIGHTING ASSEMBLY WITH ELASTIC ELONGATED SUBSTRATE

SIGNIFY HOLDING B.V., Ei...

1. A method for manufacturing an elongated assembly having a tubular body with a central axis and an inner surface, said assembly comprising an elastic elongated substrate having a first surface and a second surface, the substrate being at least partially deformable and adapted to couple at least one electrical component to the first surface, the assembly further comprising a supporting surface constituted at least in part by the inner surface arranged to support at least a portion of the second surface, the method comprising:inducing an elastic preload in at least one portion of the elastic elongated substrate by deforming the elastic elongated substrate such that the portion of the second surface curves outwards at least longitudinally;
inserting the elastic elongated substrate into the tubular body of the assembly; and
fixedly arranging the elastic elongated substrate in the elongated assembly, wherein the elastic preload in the at least a portion of the elastic elongated substrate produces a force between the at least one portion of the second surface and the supporting surface that abuts the portion of the second surface against the supporting surface, by arranging the substrate in two opposite ends of the tubular body, wherein the elastic preload imposed by the substrate imposes a force to direct the substrate to increase a curvature of the substrate along a direction parallel to the central axis of the tubular body while the substrate is fixedly arranged in the elongated assembly.

US Pat. No. 10,459,129

LIGHT DIFFUSER BETWEEN TWO PLATES WITH VARYING PROPERTIES

SIGNIFY HOLDING B.V., Ei...

1. A light diffuser comprising a light diffusing element, wherein the light diffusing element comprises a flexible translucent material, the light diffuser comprising a first plate and a second plate and a motive element configured for varying the distance between said first plate and second plate, said first and second plates being rigid and translucent, the light diffusing element being arranged between said first and second plates in such a way that one first main surface of the light diffusing element is coupled with the first plate, and one second main surface of the light diffusing element is coupled with the second plate, at least one of said first or second surface comprising a plurality of cavities and/or excrescences, wherein the first and second plates are adapted to be moved closer to or further away from each other, so that light diffusion properties of the light diffuser are varied.

US Pat. No. 10,448,579

LIGHTING DEVICE CAPABLE OF PROVIDING HORTICULTURE LIGHT AND METHOD OF ILLUMINATING HORTICULTURE

SIGNIFY HOLDING B.V., Ei...

1. A lighting device for providing horticulture light having a spectral light distribution with a light intensity within a first wavelength range of 400-475 nm and within a second wavelength range of 625-800 nm, the lighting device comprising:a plurality of light emitting diodes (LEDs) configured to generate LED light having a wavelength essentially within said range of 400-475 nm, wherein the plurality of light emitting diodes are configured in an array,
the lighting device further comprising at least two light generating parts:
a first light generating part consisting of a first subset of the plurality of light emitting diodes, wherein the first light generating part is configured to provide first light having a first spectral light distribution with a light intensity essentially within said first wavelength range, and
a plurality of second light generating parts wherein each second light generating part consists of a second subset of the plurality of light emitting diodes, wherein downstream of the optical path of each LED of the second subset of the plurality of light emitting diodes a light conversion element is configured, the light conversion element configured to convert at least part of the LED light generated by the second subset of the plurality of light emitting diodes into converted light having a wavelength that is essentially within the second wavelength range, wherein the second light generating part is configured to provide second light, consisting essentially of said converted light,
wherein the light conversion element is noncontiguous with any light emitting surface of each LED of the second subset, and
wherein the spectral light distributions, in the first wavelength range and the second wavelength range, of the first light and the second light are different,
the lighting device further comprising a control unit whereby the first subset of the plurality of light emitting diodes and the second subset of the plurality of light emitting diodes are independently controllable to thereby enable electronically controlling the intensity of the first light and the second light.

US Pat. No. 10,356,885

INSTALLING AND COMMISSIONING TRANSCEIVERS COUPLED TO LOADS

SIGNIFY HOLDING B.V., Ei...

1. A lighting system comprising:at least one lighting device including at least a transceiver coupled to a load, said transceiver comprising at least one identification information and at least one security information wherein said security information is used for securing the communication with the transceiver;
a remote database adapted to store the identification information and an associated security information for each lighting device;
at least a controller for managing the transceiver wherein the controller comprises
a first interface for a first communication with the transceiver, and
a second interface for a second communication with the remote database,
wherein the controller is adapted to retrieve the identification information of the transceiver through the first interface and the transceiver is adapted to send the identification information to the controller,
wherein the controller is adapted to retrieve the associated security information from the remote database through the second interface, and
wherein the controller is adapted to use the associated security information to enable secure communication between the controller and the lighting device and the transceiver is adapted to set a secure communication based on the security information.

US Pat. No. 10,701,778

LIGHTING DEVICE LED MODULE WITH EFFECTS FOR COLOR TEMPERATURE TUNING AND COLOR TUNING

SIGNIFY HOLDING B.V., Ei...

1. A lighting system, comprising:a lighting device that comprises:
a housing, and
one or more light emitting diode (LED) modules positioned in an opening of the housing and configured to emit light away from the housing, each LED module comprising:
a substrate,
a plurality of module-level conductors, and
a plurality of LED sets, each of which comprises:
a first section including a first group of LEDs,
one or more additional sections, each including an additional group of LEDs,
a first conductive element that electrically connects the first section to a first one of the module-level conductors, and
one or more additional conductive elements, each of which electrically connects an additional section of one or more of the LED sets section to an additional one of the module-level conductors;
a sensor that is configured to collect data corresponding to light emitted by the lighting device;
control circuitry that is configured to:
receive and analyze data collected by the sensor;
based on the data collected by the sensor, generate commands to control drive currents delivered to the first group of LEDs in each LED set and each additional group of LEDs in each LED set.

US Pat. No. 10,667,374

CONTROLLED DEVICE AND METHOD FOR SETTING UP SAME

SIGNIFY HOLDING B.V., Ei...

1. A lighting device, comprising:a set up processor for carrying out a set up of the lighting device,
a memory in communication with the processor, the memory comprising identification data which identifies the lighting device,
a security key,
a random data generator,
a communication unit,
a volatile memory for storing a control data, and
a controller for controlling, after the set up is completed, an operation of the lighting device in accordance with the control data stored in the volatile memory,wherein the set up carried out by the set up processor includes, upon powering up of the lighting device:continuously sending out a message, cycling through all RF channels known by the lighting device, the message comprising the identification data and a random generated number, generated by the random data generator, the message indicating power up of the lighting device;
receiving, while listening on the RF channel through which the message has been sent, a confirmation message;
accepting, only when the confirmation message includes the random generated number and is authenticated with the security key of the lighting device, the confirmation message;
receiving, while staying in the RF channel in which the accepted confirmation message is received, the control data, comprising a short address, network key, frame counter and data used for light control, via the communication unit; and
storing the received control data in the volatile memory.

US Pat. No. 10,653,104

LIGHTING DEVICE FOR USE IN LIGHTING OF CHEESE

SIGNIFY HOLDING B.V., Ei...

1. A method of selecting the suitability of a lighting device for use in cheese lighting, the method comprising (a) defining a normalization factor for a spectral power distribution (SPD(?)) of lighting device light of said lighting device in a wavelength range of 380-780 nm, (b) defining the lighting device suitable for use in cheese lighting when a cheese damage function value (CDFV) is equal to or below 2, wherein the cheese damage function value (CDFV) is defined as:
wherein:

wherein y(?) is the 2-degree color matching function, and
wherein DF(?)=1 for 380 nm??<410, and
wherein for 410???780:

US Pat. No. 10,652,970

RADIO FREQUENCY (RF) CONTROLLED LAMP WITH DIMMER COMPATIBILITY

SIGNIFY HOLDING B.V., Ei...

1. A radio frequency (RF) controlled lighting unit suitable for connection to at least one of a dimmer configured to adjust a phase cut angle of an input mains voltage from mains in accordance with an adjustable dimming level or an electronic switch configured to provide selection between an on-state and an off-state, the lighting unit comprising:a solid state light source;
a radio circuit configured to receive a wireless control signal, enabling control of the lighting unit;
a rectifier circuit configured to rectify the input mains voltage received from the dimmer or the electronic switch;
a first power converter configured to drive the solid state light source in response to the rectified input mains voltage and to deliver power to the radio circuit; and
a second power convertor configured to deliver power to the radio circuit when the rectified input mains voltage becomes inadequate for the first power converter due to the phase-cut angle of the rectified input mains voltage or the off-state of the electronic switch,
wherein the second power convertor is connected in parallel with the first power converter.

US Pat. No. 10,645,770

ENERGY MANAGEMENT SYSTEM

Signify Holding B.V., Ei...

1. An energy management system for use in a facility, comprising:a plurality of lighting devices, each of the lighting devices comprising a communications device and an occupancy sensor; and
a controller coupled to the plurality of lighting devices over a network, the controller operative to
receive feedback data from the plurality of lighting devices, through the communications device,
determine statistical patterns of the plurality of lighting devices based on the feedback data, which includes device-independent data detected by the occupancy sensors,
measure ambient light in the facility,
determine a policy based on the statistical patterns, the measured ambient light, and the feedback data, the policy comprising a set of rules dictating the operation of each of the plurality of lighting devices,
provide a suggestion based on the policy,
receive a response to the suggestion, and
transmit control data based on the response to the suggestion, the control data used to change an amount of lighting associated with the plurality of lighting devices, wherein the control data reduces usage of lighting in areas of higher ambient light and increases usage of lighting in areas of lower ambient light.

US Pat. No. 10,602,575

CURRENT MODULATION CIRCUIT, A DRIVING CIRCUIT, AND A METHOD FOR DRIVING A LIGHTING LOAD WITH CURRENT MODULATION

SIGNIFY HOLDING B.V., Ei...

1. A current modulator circuit for modulating a drive current through a lighting load, comprising:a current modulating element for modulating the light output of the lighting load based on a data input signal, wherein the current modulating element is adapted to be connected in series with the lighting load; and
a feedback system for controlling the current modulating element thereby to implement modulation of the current through the lighting load, wherein the feedback system comprises,
a first feedback control path having as input a voltage across the current modulating element, wherein the first feedback control path comprises a comparator arrangement for comparing a measured voltage across the current modulating element with a reference voltage and a low-pass filter between an output of the comparator arrangement and a control input of the current modulating element; and
a second feedback control path having as input the data input signal, wherein the second feedback control path is based on measurement of the current through the current modulating transistor, wherein the current through the current modulating transistor is compared with the data input signal, and the result is provided to one terminal of the low pass filter through a high pass filter.

US Pat. No. 10,595,379

ILLUMINATION CONTROL

SIGNIFY HOLDING B.V., Ei...

1. A lighting control method for controlling a plurality of lighting units arranged to provide illumination in an area, the method comprisingreceiving one or more images of the area;
determining the position of at least one of said lighting units or a corresponding lighting footprint in said area;
identifying at least one non-lighting object, other than a person, in a received image of the one or more images of the area, said non-lighting object associated with a pre-defined user activity;
determining a relative position of said at least one non-lighting object to said at least one lighting unit or the corresponding lighting footprint;
determining a primary viewing direction;
associating, based on the determined relative position, said at least one lighting unit with at least one predetermined light setting associated with said pre-defined user activity; and
controlling said at least one lighting unit based on said at least one predetermined light setting and said primary viewing direction.

US Pat. No. 10,588,198

LIGHTING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A lighting system comprising:at least one luminaire arranged to illuminate an area shared by a plurality of users;
a communications interface configured to receive, from at least a first user from the plurality of users, one or more level adjustment instructions each denoting an illumination level for the shared area;
an illumination controller configured, when operating in a manual control mode for the shared area, to control the at least one luminaire to emit illumination at an illumination level denoted by a most recently received level adjustment instruction from the one or more level adjustment instructions, the illumination controller further configured, when operating in an automatic control mode for the shared area, to control the at least one luminaire to emit illumination at a consensus illumination level;
a modelling module configured to generate in a memory of the lighting system a plurality of user profiles, one each for a respective one of the plurality of users, each of the plurality of user profiles comprising user information and a tolerance value, the user information of each of the plurality of user profiles comprises a user profile illumination level associated with its respective user, the user profile illumination level for the first user is derived from the one or more level adjustment instructions, the tolerance value of each of the plurality of user profiles denotes a tolerance associated with its respective user to deviations from the user profile illumination level associated with the respective user; and
a processing module configured to determine the consensus illumination level based on the user profile illumination levels of at least two of the plurality of user profiles stored in the memory, the processing module further configured to determine the tolerance value in each of the plurality of user profiles based on at least two level adjustment instructions received from the respective user associated with the user profile;
wherein the illumination controller is configured, in response to a mode switch instruction, to switch from the manual control mode to an automatic control mode for the shared area.

US Pat. No. 10,582,582

PITCH ILLUMINATION

SIGNIFY HOLDING B.V., Ei...

1. A control system for a stadium lighting system comprising a plurality of luminaires installed within the stadium to illuminate a pitch within the stadium in accordance with a light plan containing aiming information for each luminaire, the control system comprising:a data storage device storing the light plan;
a controller communicatively coupled to the data storage device, the controller being responsive to object tracking information for an object travelling across the pitch, wherein the controller is adapted to:
determine a direction of travel of the object from the object tracking information;
evaluate the aiming information for each luminaire to identify if at least one luminaire is arranged to generate a luminous output in an aiming direction coinciding with said direction of travel, by determining an angle between the direction of travel and an aiming direction of the luminaire and compare the determined angle against an angle threshold; and
generate a dimming level adjustment signal for the at least one identified luminaire to reduce the intensity of said luminous output.

US Pat. No. 10,555,399

ILLUMINATION CONTROL

SIGNIFY HOLDING B.V., Ei...

1. A method for automatically creating one or more lighting scenes, for a lighting system comprising a plurality of luminaires for illuminating an environment, based on images, the method comprising:detecting a trigger event associated with source images captured by a user and stored in a virtual image gallery;
selecting, in response to said trigger event, one or more target images from said source images, based on said detected trigger event and based on one or more image parameters of the source images;
determining one or more lighting scenes for the lighting system based on said image parameters of said selected one or more target images; and
outputting said determined one or more lighting scenes.

US Pat. No. 10,547,205

SYSTEM AND METHOD FOR EMERGENCY LIGHTING

SIGNIFY HOLDING B.V., Ei...

1. A lighting network, comprising:a plurality of lamps wherein a first lamp of the plurality of lamps is configured to operate on AC power when AC power is available to the first lamp and DC power when the AC power is unavailable to the first lamp, the lamp comprising:
a first DC power source, and
a first controller connected to a second lamp and a third lamp of the plurality of lamps and configured to receive a request signal sent from a second controller of the second lamp to the first controller and a third controller of the third lamp, the first controller further arranged to send a response signal to the second controller and redistribute the DC power from the first DC power source to the second lamp of the plurality of lamps upon sending the response signal to the second lamp, the response signal indicating DC power is available from the first DC power source, wherein the first controller is configured to cause the redistribution of the DC power from the first DC power source to the second lamp only when:
AC power is unavailable at an AC power monitoring unit;
wherein the first lamp and the second lamp each includes a sensor arranged to detect a presence of a user, and the DC power is redistributed from the DC power source according to whether the presence of the user is detected by the sensor at a first location corresponding to the first lamp, and a second location corresponding to the second lamp, prior to the AC power being unavailable.

US Pat. No. 10,544,911

MULTIPLE PUMPING LUMINESCENT ROD CONFIGURATION FOR OBTAINING ULTRA-HIGH BRIGHTNESS

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:a plurality of luminescent concentrators, each luminescent concentrator comprising an elongated light transmissive body having a first face and a second face wherein the distance between the first face and the second face defines a length of the elongated body, the elongated body comprising one or more radiation input faces extending between the first face and the second face, each luminescent concentrator comprising a radiation exit window, wherein the second face comprises said radiation exit window; each elongated light transmissive body comprising a luminescent material configured to convert at least part of a pump radiation received at one or more radiation input faces into luminescent material light, and each luminescent concentrator configured to couple at least part of the respective luminescent material light out at the radiation exit window as converted light,
a plurality of light sources configured to provide light source light as first pump radiation to the radiation input faces of a plurality of first luminescent concentrators;
wherein said plurality of luminescent concentrators comprises a first plurality of luminescent concentrators and a second plurality of luminescent concentrators, the first plurality of luminescent concentrators are configured to provide first luminescent material light at the respective radiation exit windows of the first luminescent concentrators as first converted light, and said first plurality of luminescent concentrators are further configured to provide said first converted light as second pump radiation to one or more radiation input faces of a second luminescent concentrator; and
wherein said second plurality of luminescent concentrator are configured to provide second luminescent material light at the radiation exit window of the second luminescent concentrator as second converted light.

US Pat. No. 10,545,554

RESOURCE METERING SYSTEM AND METHOD USING SUCH A SYSTEM FOR SMART ENERGY CONSUMPTION

SIGNIFY HOLDING B.V., Ei...

1. A method for billing a utility customer using a resource metering system in communication with a server, a smart meter, and an end-point device consuming a resource, the method comprising the steps of:pairing the smart meter with the end-point device using power line communication,
producing, in a detection unit, data about the end-point device, said data including status information and at least one indicator of usefulness, wherein the status information includes a power reading and the at least one indicator of usefulness includes a presence sensor reading;
transmitting, by the end-point device, the data to the smart meter; in the smart meter,
filtering power line communication signals between the smart meter and the end-point device to enable a secure pairing of the smart meter and the end-point device;
communicating with the server using communication circuitry via a first interface and communicating with the end-point device using the communication circuitry via a second interface, wherein the second interface receives status information from the end-point device and at least one indicator of usefulness of the end-point device, and the first interface transmitting the data to the server;
determining a quality level of resource consumption based on the power reading and presence sensor reading;
providing, using a metrology device connected to a medium, the resource to the end-point device;
collecting, using a control circuitry connected to the metrology device, resource consumption data representative an amount of resource consumed by the end-point device, the control circuitry being connected to the communication circuitry and produces monitoring data that is transmitted to the server after processing the status information and said indicator of usefulness; and
generating, using a processor, a warning indicator to a customer that reflects energy use associated with resource consumption and the quality level of resource consumption for the end-point device, wherein the warning indicator relates to spoiled energy and/or an amount of spoiled energy consumed in association with a date and a time; and
modifying a resource consumption price of the spoiled energy.

US Pat. No. 10,539,788

SYSTEM, METHOD AND COMPUTER PROGRAM FOR HANDS-FREE CONFIGURATION OF A LUMINOUS DISTRIBUTION

SIGNIFY HOLDING B.V., Ei...

1. A system comprising a head-mountable eye tracking sensor on a head-mountable device, a processor coupled to said eye tracking sensor and a plurality of spatially separated light sources in locations within a space under control of said processor, wherein:at least one light source of the plurality of spatially separated light sources is external to the eye tracking sensor and arranged to generate a configurable luminous distribution into a field of view of the wearer of the eye tracking sensor, the light source of the plurality of spatially separated light source is adapted to produce a different beam shape;
the system comprises an image sensor arranged on the head-mountable device for capturing an image of the field of view;
the processor is adapted to configure said luminous distribution in response to eye tracking data obtained from said eye tracking sensor,
wherein the processor is adapted to select at least a subset of said plurality of spatially separated light sources and the different beam shapes in response to said eye tracking data in order to achieve a desired luminous distribution into said field of view by actuating said selection of light sources; and
the processor is adapted to analyze data from the image sensor to recognize a location based on data from the eye tracking sensor within the space from the field of view and select at least a subset of the plurality of light sources based on the recognized location.

US Pat. No. 10,541,752

ASSOCIATING A MOBILE DEVICE WITH A GROUP

SIGNIFY HOLDING B.V., Ei...

1. A mobile system, comprising:a light sensor;
a communication interface; and
at least one processor configured to use said light sensor to receive a light emission from a light source, to determine an identifier from said light emission, said identifier being associated with a group of devices, said group of devices comprising mobile devices which are receiving a light emission with said identifier, to join said group of devices, and to use said communication interface to communicate with at least one further device from said group of devices, andwherein the at least one processor is configured to leave said group of devices when said light sensor is no longer receiving said light emission with said identifier.

US Pat. No. 10,499,477

METHODS AND APPARATUS FOR INFORMATION MANAGEMENT AND CONTROL OF OUTDOOR LIGHTING NETWORKS

SIGNIFY HOLDING B.V., Ei...

1. A light management system for an outdoor lighting network system, comprising:a plurality of outdoor light units each including at least one sensor type, where each of the light units communicates with at least one other light unit;
at least one user input/output device in communication with at one or more of said outdoor light units;
a central management system in communication with light units, said central management system sends control commands to one or more of said outdoor light units, in response to received outdoor light unit status/sensor information from one or more of said outdoor light units;
a resource server in communication with said central management system;
wherein the central management system uses the light unit status/sensor information and resources from the resource server to determine an event occurrence, and in response reconfigure one or more of the lights units, provide information to the at least one user input/output device or initiate a predetermined action;
wherein the sensor type is a light sensor and the received outdoor light unit status/sensor information is light reflection data from two or more light units, wherein the central management system processes the light reflection data and compares the light reflection data to a light reflection reference point for the respective light units, and determines reflection anomalies that indicates the event occurrence.

US Pat. No. 10,491,297

DETECTING SIGNALS EMBEDDED IN VISIBLE LIGHT

SIGNIFY HOLDING B.V., Ei...

13. A luminaire arranged to actively emit visible illumination light to illuminate an environment, the luminaire suitable for mounting in combination with other such luminaires as a contiguously-mounted plurality of luminaires in a plane, along a straight line or following a one or two dimensional contour but with a visible periphery between the luminaire and an adjacent one of the contiguous luminaires when so mounted, wherein visible illumination is not actively emitted from the periphery; the luminaire comprising:transmission circuitry arranged to embed a signal into the visible illumination emitted by the luminaire, the signal being embedded by means of a modulation using a modulation frequency and modulation depth, that results in the modulation being imperceptible to human vision; and
an angle-dependent mask arranged to cover at least the periphery of the luminaire, such that an appearance of the periphery when viewed from said environment through said angle-dependent mask varies as a function of viewing angle, becoming less visible at greater values of the viewing angle, the viewing angle being the angle between a corresponding viewing direction and a normal to said plane, line or contour at a point at which the viewing direction intersects the plane, line or contour.

US Pat. No. 10,491,124

BIFRED CONVERTER AND A METHOD OF DRIVING AN OUTPUT LOAD

SIGNIFY HOLDING B.V., Ei...

1. A boost integrated flyback converter comprising:an input having first and second terminals;
a boost portion comprising an inductor between one terminal of the input and a switching element; and
a flyback portion comprising a primary winding and a secondary winding, with an energy storage device in series with the primary winding of the flyback portion and an output having first and second terminals defined at the second side,
wherein the converter further comprises:
a current sensing element in series with the energy storage device for sensing an output current from the boost portion when said switching element is switched off and a current discharged from the energy storage device when said switching element is switched on;
a feedback circuit for processing the sensed current to derive a control signal; and
a controller for adjusting the time duration for which the switching element is switched on based on the control signal;
wherein the feedback circuit comprises a low pass filter such that the high frequency switching components of the sensed current are removed to derive the control signal with a level indicative of high and low of the input voltage, and
the controller is adapted to decrease the time duration when the control signal indicates that the input voltage has increased.

US Pat. No. 10,465,899

LIGHTING DEVICE COMPRISING AN IMPROVED OPTICAL ELEMENT

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:a carrier having an upper surface and a recess comprising a gasket,
an optical device for imparting a shape to a light beam,
a light source located on the upper surface of the carrier for emitting light towards the optical device,
wherein the optical device has a base, the base comprising:
a first surface for determining a distance from the light source to an exit window of the optical device by engaging with the upper surface of the carrier, wherein the distance provides a predetermined light characteristic of the lighting device, and
a protrusion extending into the recess of the carrier, the protrusion terminating at a bottom face,
wherein the recess has a depth that is greater than the length of the protrusion, such that a gap exists between the bottom face of the protrusion and the bottom of the recess, wherein at least part of the gap is free of any part of the gasket, and
wherein the gasket directly acts upon a protrusion side wall to provide a seal between the carrier and the optical device.

US Pat. No. 10,449,716

3D PRINTED LUMINAIRES USING OPTICAL FIBERS

SIGNIFY HOLDING B.V., Ei...

1. A method comprising 3D printing a 3D item, the method comprisingdepositing during a printing stage 3D printable material and an optical fiber, to provide the 3D item with the optical fiber at least partly embedded in 3D printed material,
wherein the 3D printable material during at least part of the printing stage comprises a light transmissive material, the method further comprising providing during the printing stage a light escape part comprising 3D printed material comprising the light transmissive material, where visible light propagating through the optical fiber can escape from the optical fiber via the 3D printed material comprised by the light escape part to external of the 3D item, and
wherein during the printing stage the light escape part is further provided by providing an outcoupling feature to the optical fiber for facilitating light escape from the optical fiber via the outcoupling feature.

US Pat. No. 10,451,792

LIGHTING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A lighting system comprising:a first controllable light source configured to provide light in a first direction,
a second electrically controllable light source configured to provide light in a second direction,
an optical element, and
an edge lit light guide comprising an out-coupling pattern on its surface and/or scattering particles or structures formed within its structure,
wherein the optical element comprises a grid of hexagonal cells wherein light emitted by the first controllable light source within a threshold angle each side of the normal from the middle of each cell does not pass through a cell wall and thus is not processed, whereas light emitted at an angle greater than the threshold angle each side of the normal passes through a cell wall and is suitably processed, and
wherein the second electrically controllable light source is side coupled to the edge lit light guide,
wherein the edge lit light guide is configured in such a manner that light from the first controllable light source and the optical element are coupled to the edge lit light guide and pass through the edge lit light guide along the depth dimension of the edge lit light guide and a significant portion of the light emitted by the first controllable light source is not scattered or diffused,
wherein the edge lit light guide is configured to diffuse light provided by the second electrically controllable light source such that at least a portion of the light provided by the second electrically controllable light source is output in the first direction and is mixed with the light provided by the first controllable light source;
wherein the second electrically controllable light source comprises an array of selectable light emitting elements arranged on at least part of the periphery of the edge lit light guide; and
wherein the selectable light emitting elements generate at least two selectable collimated light beams and the edge lit light guide comprises at least two respective regions of light diffusing particles, the regions of light diffusing particles shaped in a defined form, wherein the lighting system is configured to generate an illuminated shape in the defined form based on the light provided by the second electrically controllable light source mixed with the light provided by the first electrically controllable light source.

US Pat. No. 10,411,641

METHOD AND SYSTEM FOR OPTIMALLY DISTRIBUTING POWER BETWEEN A BATTERY AND A POWER GRID

SIGNIFY HOLDING B.V., Ei...

1. A method for distributing power from a renewable power source having a variable output power over time between an energy storage device and a power grid, wherein the method is adapted to, for each one of a plurality of time slots:determine an output power of the power source in the respective time slot;
compare the output power of the power source to a maximum input power of the energy storage device;
determine a ratio for distributing the output power to the energy storage device or the power grid in the respective time slot based on the comparison, wherein
distributing the output power to the energy storage device as a priority when the output power of the power source is below the maximum input power of the energy storage device; and
increasing the ratio for distributing the output power to the power grid and decreasing the ratio for distributing the output power to the energy storage device as the output power of the power source increases above the maximum input power of the energy storage device; and
distribute the output power from the power source to either the energy storage device or the power grid in divisions of time in the respective time slot according to the determined ratio, wherein surplus output power produced by the power source, above the maximum input power of the energy storage device, is discarded when the output power is distributed to the energy storage device,
wherein when determining the ratio for distributing power, setting the ratio to one for the energy storage device, and zero for the power grid, if the power grid is not available.

US Pat. No. 10,701,781

PROGRAMMING RULES FOR CONTROLLING LIGHTING BASED ON USER INTERACTIONS WITH ONE OR MORE ACTUATORS IN ONE OR MORE ZONES

SIGNIFY HOLDING B.V., Ei...

1. A method of programming a respective rule for controlling lighting in each of one or more zones each being occupiable by a user, the method comprising:detecting that a user has performed a first instance of a user interaction with one or more user-actuated actuators serving a zone presently occupied by the user, the user interaction comprising at least one actuation of each of the one or more actuators;
controlling one or more illumination sources, arranged to illuminate the zone presently occupied by the user, to output a desired light effect based on a user selection received through a user interface of a user terminal; and subsequently;
determining a rule specifying how the illumination emitted by the one or more illumination sources is to be controlled as a function of a subsequent instance of said user interaction;
programming the respective rule into a memory in association with the one or more actuators such that the subsequent instance of said user interaction causes reading said rule from the memory in order to automatically enact the rule and thereby control the illumination;wherein said one or more zones are a plurality of zones, and wherein the method further comprises:presenting a start control and a stop control to the user though the user interface,
activating a record mode when the user activates the start control, and
ending the record mode when the user activates the stop control;
wherein the method steps of detecting a user interaction, controlling one or more illumination sources, determining a rule and programming the rule into memory are repeated on condition of the record mode being activated, so as to automatically program the respective rules for the zones visited by the user during the record mode;
whereas when the record mode is deactivated then the subsequent instance of said user interaction automatically invokes the enacting of said rule to control the illumination.

US Pat. No. 10,653,951

LIGHTING FOR VIDEO GAMES

SIGNIFY HOLDING B.V., Ei...

1. An apparatus comprising a game lighting controller for controlling illumination emitted by one or more luminaires of a lighting system to accompany video games played in an environment illuminated by the illumination from said one or more luminaires; wherein the game lighting controller is configured to perform operations of:detecting in real-time implicit triggers in the video games using a first sensor, the detection of each of the implicit triggers being based on analyzing audio and/or video content output during gameplay and/or an effect on one or more players invoked by the audio and/or video content during gameplay, wherein each of the implicit triggers corresponds to a respective one of a set of predefined event types;
based on detecting a first one of said implicit triggers in a first one of the video games, identifying a first event occurring within the first video game as being of a first one of said predefined event types;
reading first metadata associated with the first video game, the first metadata specifying a classification of the first video game from amongst a set of predefined classifications;
based on said identification of the first event as being of said first predefined event type, and in dependence on the classification of the first video game as specified in the first metadata, controlling the illumination emitted by the one or more luminaires to produce a first lighting effect to accompany the first event during gameplay of the first video game,
based on detecting a further instance of the first implicit trigger in a second one of the video games, identifying a second event occurring within the second video game as being of the first predefined event type;
reading second metadata associated with the second video game, the second metadata specifying a classification of the second video game from amongst said set of predefined classifications, the classification of the second video game being different from the classification of the first video game;
based on said identification of the second event as being of the first predefined event type, and in dependence on the classification of the second video game as specified in the second metadata being different than the classification of the first video game, controlling the illumination emitted by the one or more luminaires to produce a second lighting effect to accompany the occurrence of the second event during gameplay of the second video game, wherein the second lighting effect is visibly distinct from the first lighting effect.

US Pat. No. 10,655,790

LIGHTING DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:a substrate having a first side and a second side;
a plurality of light sources arranged on the first side of the substrate, said light sources having a common general output direction,
a housing of a light transmissive material surrounding said substrate is arranged to transmit light, the housing having a first portion and a second portion, wherein the second portion is arranged substantially opposite the first portion with respect to said substrate;
a plurality of first optical elements arranged substantially opposite the output direction of said plurality of light sources along the first portion of the housing facing the first side of the substrate,
wherein at least a portion of said substrate is adapted to allow transmission of light,
wherein each of said plurality of first optical elements comprise a mirror and a lens on each side of the mirror, said lenses are arranged for providing an increased angular spread through refraction for light transmitted through the lenses, wherein said mirror comprises a surface that is convex with respect to the plurality of light sources,
wherein the lenses are arranged to transmit part of the light emitted by said light sources and wherein said surface of the mirror is configured to reflect part of the light emitted by said light sources through said substrate towards the second portion of the housing to increase a light output distribution effect by also outputting light opposite the common general output direction of the light sources.

US Pat. No. 10,655,797

ELONGATED LIGHTING DEVICE BASED ON SOLID STATE LIGHTING TECHNOLOGY

SIGNIFY HOLDING B.V., Ei...

1. An elongated lighting device having a first and a second suspension point for suspending the lighting device, comprising:a housing extending from the first suspension point to the second suspension point; and
a light source carrier having one or more solid state light sources mounted on a surface thereof, the carrier being arranged along the housing so that the one or more light sources emit light into the housing,
wherein a wire is arranged inside the housing between the first and second suspension points so as to prevent the lighting device from bending, and wherein the wire is pre-tensioned, and wherein the wire is separate from the housing.

US Pat. No. 10,655,822

CONFIGURABLE OPTICAL MODULE AND LED ASSEMBLY

SIGNIFY HOLDING B.V., Ei...

1. An optical module for a LED assembly, the optical module comprising a plurality of optical elements and a plurality of mounting structures, each mounting structure comprising a stepped arrangement of mounting elements, in which each mounting element defines a step of the stepped arrangement, each step defining a different mounting height for the optical module, and wherein each mounting structure is rotatable.

US Pat. No. 10,591,151

LIGHT EMITTING DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A light emitting device comprising:a luminescent element comprising a first surface,
at least one cooling element arranged at the first surface of the luminescent element, and
a plurality of spacer elements arranged between the cooling element and the first surface of the luminescent element such that the cooling element is arranged spaced apart from the first surface of the luminescent element with a distance d, wherein
the at least one cooling element comprises a compliance such as to be adapted for following warpage of the luminescent element, and wherein
a force (F) is applied to force the at least one cooling element and the luminescent element together in such a way that no part of the at least one cooling element and the luminescent element are in direct mutual contact,
the light emitting device further comprising a force application device adapted for applying the force applied to force the at least one cooling element and the luminescent element together.

US Pat. No. 10,582,592

SENSOR LIGHT SETTING BLENDING

SIGNIFY HOLDING B.V., Ei...

1. A lighting system controller for controlling a lighting device for illuminating a space, the lighting system controller comprising:a first interface arranged for receiving a trigger signal for changing a light output of the lighting device to a target light setting,
a second interface arranged for controlling the lighting device according to generated control data, and
a processor arranged for:
determining, as an initial light output, the current light output of the lighting device, comprising the current color and the current brightness level,
generating control data according to the target light setting, different from the initial light output, if the determined color and/or brightness level is within a predetermined color and/or intensity level range, respectively, and else
generating control data according to a function which determines a light setting relative to the determined initial light output, wherein the function according to which control data is generated comprises: increasing the brightness of the light output of the lighting device compared to the determined initial light output, and lowering the saturation of the light output of the lighting device compared to the determined initial light output.

US Pat. No. 10,568,176

SPATIAL DIMMING

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling a linear lighting device comprising an array of light-emitting elements for emitting illumination to illuminate an environment, the method comprising:arranging a controller to control the illumination emitted by different ones of the light-emitting elements so as to form a spatial pattern, and to vary the spatial pattern according to dimming function comprising a spatial dimming function, whereby the spatial pattern is varied as to emit a different overall intensity level as a function of a receipt dimming signal;
determining a value of at least one property relating to a manner in which the linear lighting device is deployed, said property comprising at least one of: a position and/or orientation of the linear lighting device relative to a reference point within the environment, and a size and/or shape of the linear lighting device or of a luminaire in which the linear lighting device is installed; and
setting the dimming function in dependence on the value of said property, such that the linear lighting device produces a homogeneous light effect over the linear lighting device while dimming, by ensuring an uniform distribution of the illumination emitted by the light-emitting elements over the length of the linear lighting device.

US Pat. No. 10,568,182

LIGHTING CONTROL BASED ON ORIENTATION AND AUXILIARY DEVICE INPUT

SIGNIFY HOLDING B.V., Ei...

1. A lighting device (100) for notification and/or atmosphere creation for a lighting system comprising a first device (110) arranged for transmitting a first signal to the lighting device (100) and a proximity detector arranged for detecting a proximity between the first device (110) and the lighting device (100), the lighting device (100) comprising:at least one light source (102) arranged for rendering a light output,
a detector (104) arranged for detecting a first orientation of the lighting device (100),
a receiver (106) arranged for receiving the first signal from the first device (110), and
a processor (108) arranged for generating a first light setting based on the first signal and the first orientation of the lighting device (100), and for controlling the light output of the at least one light source (102) based on the first light setting if the first device (110) is within a predetermined proximity of the lighting device (100), wherein
the detector (104) is further arranged for detecting a user input indicative of a reorientation of the lighting device (100), and for detecting a second orientation based on the reorientation, and wherein
the processor (108) is further arranged for generating a second light setting, based on a second signal from a second device and the second orientation of the lighting device (100), and for controlling the light output of the at least one light source (102) based on the second light setting if the second device (110) is within the predetermined proximity of the lighting device (100), wherein the light output in the first orientation is different from the light output in the second orientation.

US Pat. No. 10,546,422

SYSTEM AND METHOD FOR AUGMENTED REALITY SUPPORT USING A LIGHTING SYSTEM'S SENSOR DATA

SIGNIFY HOLDING B.V., Ei...

1. A method for improving alignment of real images and a virtual overlay in an Augmented Reality (AR) device, said method comprising the steps of:in the AR device,
receiving information to form a virtual overlay of an area related to the real images from an augmented reality information source having a camera;
generating an initial alignment of the virtual overlay and the real images;
receiving a plurality of sensor data relating to the area and outside the area from a plurality of sensors in a lighting system or other network different from the augmented reality information source, wherein the plurality of sensor data includes information related to nearby objects identified by the lighting system or other network, historical information or environmental conditions in the area and wherein the plurality of sensor data are overlapped to form an overlapped sensor data overview; and
improving the initial alignment of the virtual overlay and real images using the overlapped sensor data overview.

US Pat. No. 10,544,919

OPTICAL ARRANGEMENT, LIGHTING SYSTEM AND ILLUMINATION METHOD

SIGNIFY HOLDING B.V, Ein...

1. An optical arrangement for illuminating a region in a space, comprising:a lens array comprising a plurality of lenses;
a reflector array comprising a plurality of reflector elements;
wherein each lens is arranged to direct light originating from a light source at a first location within said space onto one of said reflector elements, and each reflector element is arranged to reflect received light back onto the same lens from which it was received for redirection toward a different second location within said space,
wherein at least one of the lens array and the reflector array has an adjustable position so as to configure said second location,
wherein each of the plurality of reflector elements has a first surface portion and a second surface portion arranged such that light incident on the first surface portion from one of the lenses is reflected towards the second surface portion, with the second surface portion arranged to reflect the light received from the first surface portion towards said same lens from which the first surface portion received the light, and/or
wherein one or more of the reflector elements is adapted to reflect incident light in a direction parallel but non-coincident with a direction of incidence.

US Pat. No. 10,542,591

LED LAMP(S) WITH SINGLE CHANNEL DRIVER

SIGNIFY HOLDING B.V., Ei...

1. A light emitting diode (LED) apparatus configured for driving a plurality of LED lamps (Lamp 1, Lamp 2) in parallel, characterized in that it comprises:at least one LED driver circuit that is adapted to provide a LED driving current for the plurality of LED lamps, the LED driver circuit comprising a current setting resistance circuit for setting a maximum value of the LED driving current; and
a detection circuit that is adapted to detect presence or absence of each of the plurality of LED lamps by detection of the current flowing through each of the LED lamps,
wherein, the detection circuit is configured to adjust the current setting resistance circuit based on the detection of presence or absence; and
wherein the current setting resistance circuit comprises a plurality of setting resistors and a plurality of transistors.

US Pat. No. 10,542,599

LED DRIVER

SIGNIFY HOLDING B.V., Ei...

1. A light emitting diode (LED) driver comprising:a switched-mode power converter for providing power to an LED arrangement connected across output terminals of the converter, and wherein the converter comprises a number of energy storage elements (L, C) and a first semiconductor switch (Q1);
a second semiconductor switch (Q2) connected in series with the LED arrangement;
a controller to generate a second control signal (G2) for the second semiconductor switch (Q2), such that a transition of the second control signal (G2) is delayed relative to a corresponding transition of a first control signal (G1) for the first semiconductor switch (Q1);
wherein the energy storage elements (L, C) includes an inductor (L) and the controller generates a delay of a trailing edge transition of the second control signal (G2) as a function of a current level of the inductor (L).

US Pat. No. 10,539,296

HIGH-BRIGHTNESS LUMINESCENT-BASED LIGHTING DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:a solid-state-based light source configured to generate light source light having a peak maximum; and
a luminescent material positioned downstream from the solid-state-based light source and configured to convert at least part of the light source light into luminescent material light;
wherein the luminescent material light includes an emission band in the visible part of the spectrum which represents at least 80% of the total power of the luminescent material light in the visible part of the spectrum, the emission band having a full width half maximum of at maximum 60 nm, and the emission band having a peak maximum;
wherein the wavelength of the peak maximum of the light source light subtracted from the wavelength of the peak maximum of the emission band is great-than-or-equal to 0 nm and less-than-or-equal to 60 nm; and
wherein the lighting device is configured to provide the luminescent material light with a radiance of at least 2 W/(sr·mm2).

US Pat. No. 10,539,994

RAPID RESUMPTION OF A POWER SUPPLY VIA A DATA LINK AFTER POWER OUTAGE

SIGNIFY HOLDING B.V., Ei...

1. An apparatus enabled to provide power to a powered device via a wired data link for connecting the apparatus and the powered device,the apparatus being configured to provide the power to the powered device in accordance with a configuration determined based on at least one parameter transmitted by the powered device via the wired data link during a probing phase in a first power cycle,
wherein the apparatus comprises:
a memory for storing an information about the configuration,
a controller for controlling the apparatus on the basis of the stored information to provide power to the powered device in a subsequent power cycle after a power outage in accordance with the configuration determined based on the at least one parameter transmitted by the powered device via the wired data link during the probing phase in the first power cycle, such that the probing phase is dispensed with in the subsequent power cycle, and
a connection monitoring module for detecting an interruption of the connection between the apparatus and the powered device during the power outage, the connection monitoring module comprising:
a push contact arranged at a socket for receiving a connector to establish the wired data link to the powered device, the push contact being in a first position when the connector is plugged into the socket and being in a second position when no connector is plugged into the socket, and a memorizing unit for memorizing a movement of the push contact from the first to the second position and/or from the second to the first position during the power outage.

US Pat. No. 10,536,997

DEVICE FED VIA BALLAST FOR PRODUCING LIGHT

SIGNIFY HOLDING B.V., Ei...

1. A device for producing light, the device comprisingan input for receiving a feeding signal via a ballast, the feeding signal being configured to feed the device,
a driver for driving a light circuit for producing the light,
a first receiver for receiving from an apparatus remote from the device, a definition signal, the definition signal being configured to define at least a feature of the ballast,
a second receiver for receiving a dimming signal, the dimming signal being configured to define a dimming level of the light circuit, the controller being configured to, in response to a reception of the dimming signal, adjust the driving of the light circuit for dimming purposes by adjusting a control of the driver,
a controller for, in response to a reception of the definition signal and the dimming level, adapting a function of the device, the function of the device comprising a reporting function of the device, the reporting function providing an information signal,
the device further comprising a transmitter for transmitting the information signal to the apparatus; wherein the controller is for adaptation of the information signal, the adapted information signal further includes defining an amount of consumed power of the ballast based on the dimming level of the dimming signal.

US Pat. No. 10,537,010

CODED LIGHT MODULATION ARANGEMENT

SIGNIFY HOLDING B.V., Ei...

1. A coded light modulation arrangement, adapted to be connected between a driver and a LED, which coded light modulation arrangement comprisesinput terminals adapted to connect to the driver and to receive a drive current;
an energy storage arrangement comprising a number of energy storage devices;
a data input interface realized to receive a data stream, said data stream comprises a sequence of binary symbols comprising a logic high and a logic low; and
a switch arrangement comprising a number of switches arranged to connect the energy storage devices of the energy storage arrangement and to modulate the drive current such that,
in a charging switch configuration corresponding to the logic low, a negative modulation current is diverted from a drive current of the LED to the energy storage arrangement such that the LED is adapted to emit a low radiant flux level and an energy of the diverted current is adapted to be stored at the energy storage arrangement; and,
in a discharging switch configuration corresponding to the logic high, the energy stored at the energy storage arrangement is adapted to be released as a positive modulation current from the energy storage arrangement and added to the drive current of the LED such that the LED is adapted to emit a high radiant flux level;
output terminals adapted to connect to the LED and to provide the modulated drive current directly to the LED to emit the low and high radiant flux level as coded light to be received by a photosensor of a coded light receiver device.

US Pat. No. 10,533,711

LIGHTING DEVICE WITH VIRTUAL LIGHT SOURCE

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising: at least one light source, a light transmissive envelope having an inner and outer surface, the envelope defining a compartment for covering the at least one light source, and a semitransparent reflective element coupled to the envelope and extending through the compartment, wherein the envelope has at least a portion having a thickness between the inner and outer surface, the thickness increasing towards the semitransparent reflective element, and wherein the semitransparent reflective element and said portion of the envelope are arranged such that light emitted by the at least one light source is reflected and refracted so as to create at least one virtual light source located at a position of the semitransparent reflective element.

US Pat. No. 10,534,370

SYSTEM AND METHODS TO SUPPORT AUTONOMOUS VEHICLES VIA ENVIRONMENTAL PERCEPTION AND SENSOR CALIBRATION AND VERIFICATION

SIGNIFY HOLDING B.V., Ei...

1. A self-driving autonomous vehicle sensor support system, comprising:a lighting network having:
a plurality of light units wherein at least one light unit includes at least one sensor; and
a controller, wherein the controller,
forms, based on data from the at least one sensor, a sensor map of an area local to one or more of the plurality of light units;
receives sensor measurement data from an autonomous vehicle relating to at least a portion of the area,
determines a difference in sensor data between the sensor map of the area and the sensor measurement data from the autonomous vehicle,
cross-validates the portion of the area of the sensor map and sensor measurement data and provide the difference in sensor data to the autonomous vehicle, and
determines an event based on the difference in the sensor map and the sensor measurement data from the autonomous vehicle, wherein the event is evaluated based upon sensor data from the lighting network that is outside a sensor detection range of the autonomous vehicle; and
communicates an action related to the event or the cross validated portion of area to the autonomous vehicle, wherein the action is an alert/emergency action or an update/calibration action to the vehicle measurement system.

US Pat. No. 10,533,726

OPTICAL ARRANGEMENT, LIGHTING DEVICE AND ILLUMINATION METHOD

Signify Holding B.V., Ei...

1. An optical arrangement, comprising:a first plate comprising a main input surface and a first lens array on an output surface of the first plate;
a second plate comprising a second lens array on an input surface of the second plate and an output surface, the second lens array having a complementary shape to the first lens array and extending parallel to the first lens array; and
a decorative image provided at the first plate,
wherein the first and second plates are displaceable along a normal to the main input surface with respect to each other between:
a first configuration in which the first and second lens arrays are together and the first and second plates function to provide a pass through function; and
a second configuration in which the first and second lens arrays are separated by a distance D and the first and second plates function to provide the decorative image to an output,
wherein the first lens array comprises an array of negative lenses having a negative focal length Fn, and
wherein the decorative image is positioned at the output surface of the first plate or in between said output surface of the first plate and the negative focal length Fn.

US Pat. No. 10,495,269

LIGHT EMITTING MODULE

SIGNIFY HOLDING B.V., Ei...

1. A light emitting module, comprising:a mixing chamber arranged to mix light, the mixing chamber being defined by a base having a highly reflective inner surface, a circumferential side wall having a highly reflective inner surface, and a semi-reflective light exit window, wherein the highly reflective inner surface of the base has a periphery; and
at least one light emitting diode arranged on an inner surface of the circumferential side wall and at the periphery of the base, the at least one light emitting diode facing the circumferential side wall such that light emitted from the at least one light emitting diode is emitted into the mixing chamber for mixing of the emitted light within the mixing chamber and light is emitted from the at least one light emitting diode to the base and the circumferential side wall,
wherein the semi-reflective light exit window is arranged to couple out light emitted from the at least one light emitting diode and mixed within the mixing chamber,
wherein the aspect ratio of a width and a height of the mixing chamber is in the range of 1 to 8 and the height represents an approximate distance between the at least one light emitting diode and the semi-reflective light exit window, and the reflectivity of the semi-reflective light exit window is in the range from 30 to 80% for light emitted from the light emitting diode, to increase the light mixing while the efficiency is not lowered, and
wherein the at least one light emitting diode is arranged on a flexible strip mounted on the inner surface of the circumferential side wall.

US Pat. No. 10,481,316

LIGHT EMITTING ARRANGEMENT FOR ILLUMINATED SURFACES

SIGNIFY HOLDING B.V., Ei...

1. A light emitting arrangement comprising:a body of solid material having a surface;
a light guiding member partially embedded into the body, the light guiding member having a plurality of discrete light outcoupling regions and a plurality of discrete light non-outcoupling regions distributed along a longitudinal direction of the light guiding member, wherein the plurality of light non-outcoupling regions of the light guiding member are embedded in the body and the plurality of light outcoupling regions of the light guiding member are exposed on the surface of the body, wherein the plurality of light outcoupling regions comprise light outcoupling elements and the plurality of light non-outcoupling regions form light incoupling regions comprising light incoupling elements, and wherein at least one of the plurality of light outcoupling regions is coupled to two of the plurality of light non-outcoupling regions; and
a plurality of solid state light sources embedded within the body and arranged to emit light towards the light incoupling regions.

US Pat. No. 10,473,316

LIGHT EMITTING DEVICE WITH HEAT CONDUCTING FLUID

SIGNIFY HOLDING B.V., Ei...

13. A light emitting device, comprising at least one light source and a closed container, the closed container comprising a first area and a second area that is arranged opposite to the first area, the closed container being filled with a heat conducting fluid that is thermally coupled to an inside surface of the closed container, wherein the at least one light source is arranged on an outside surface of the first area of the closed container and thermally coupled to the inside surface of the closed container, wherein the heat conducting fluid has a Grashof number in the range between 5·108-3·1010.

US Pat. No. 10,468,912

CAPACITIVE CONTACTLESS POWERING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A capacitive powering system, comprising:a pair of receiver electrodes connected to a load and a first inductor;
a pair of transmitter electrodes connected to a driver; and
an insulating layer having a first side and a second side opposite each other, wherein the pair of transmitter electrodes is coupled to the first side of the insulating layer and the pair of receiver electrodes is decoupled from the second side of the insulating layer, such that a capacitive impedance is formed between the pair of transmitter electrodes and the pair of receiver electrodes, wherein a power signal generated by the driver is wirelessly transferred from the pair of transmitter electrodes to the pair of receiver electrodes to power the load with a first power when said pair of receiver electrodes are aligned to overlap with said pair of transmitter electrodes so that a frequency of the power signal matches a series-resonance frequency of the first inductor and the capacitive impedance, and
wherein said system is configured such that misaligning said pair of receiver electrodes to partially overlap with said pair of transmitter electrodes results in said load receiving a total power that is less than said first power.

US Pat. No. 10,458,624

OPTICAL SYSTEM FOR COLLIMATION OF LIGHT

SIGNIFY HOLDING B.V., Ei...

1. An optical system for collimation of incoming light, comprising:a body;
a recess formed on a first side of the body, the recess having a central light entry surface and a side light entry surface;
a central light exit surface provided on at least a portion of a second side of the body, said central light entry surface being arranged in relation to the central light exit surface such that incoming light falling on the central light entry surface is directed to the central light exit surface;
a total internal reflection surface provided at a side surface of the body, which is arranged such that incoming light falling on the side light entry surface of the recess is directed towards the total internal reflection surface so as to be subject to total internal reflection towards the second side of the body; and
a rejection area surrounding at least a portion of said central light entry surface, said rejection area being configured to prevent incoming light incident on the rejection area to exit said body outside of the central light exit surface, wherein the rejection area comprises a light-deflecting portion being arranged such that incoming light entering the light-deflecting portion is deflected.

US Pat. No. 10,458,639

LIGHTING DEVICE AND LUMINAIRE

SIGNIFY HOLDING B.V., Ei...

1. A tubular LED lighting device comprising:an LED, a driver for driving the LED, and an electrical connector;
the lighting device further comprising a thermally triggered switch for prevention of overheating of the electrical connector, wherein
the thermally triggered switch is connected in series between the electrical connector and the driver, and
the thermally triggered switch is configured to interrupt current in the event of the temperature of the electrical connector meeting a triggering condition;
wherein the thermally triggered switch is configured to sense the temperature of the electrical connector via a main body or a probe of the thermally triggered switch.

US Pat. No. 10,462,625

TIME-MULTIPLEX TRANSMISSION OF LOCALISATION BEACON SIGNALS AND CONTROL-RELATED SIGNALS

SIGNIFY HOLDING B.V., Ei...

1. A localization system for detecting a location of a mobile device within an environment, the localization system comprising:a plurality of wireless reference nodes, wherein each of the wireless reference nodes comprises a wireless interface arranged for transmission of localization beacon signals between the wireless interface and the mobile device, wherein one or more wireless reference nodes, of said plurality of wireless reference nodes, further comprises a respective sensor;
one or more appliances arranged to provide or contribute to providing another utility into the environment, other than localization of mobile devices;
one or more controllers arranged to control said one or more appliances, and to use a wireless interface of each of the appliances to transmit and/or listen for a plurality of control-related signals, other than the localization beacon signals, related to controlling the provision of said utility, the control-related signals being communicated on a same or overlapping frequency band as the localization beacon signals;
wherein at least some of the control-related signals comprise sensor data transmitted from at least one of said one or more wireless reference nodes, taken using the respective sensor;
wherein the plurality of wireless reference nodes are configured to time-multiplex transmission of and/or listening for the localization beacon signals and transmission of and/or listening for said plurality of control-related signals into different time slots;
wherein the at least one of said one or more wireless reference nodes is further configured to detect one or more sensing events based on activity sensed using the respective sensor, transmit the sensor data in an allocated one of said time slots on condition that one of the sensing events is detected, and transmit one of the localization beacon signals in said allocated time slot on condition that none of the sensing events is detected.

US Pat. No. 10,451,231

OPTICAL DEVICE AND LIGHTING DEVICE COMPRISING THE OPTICAL DEVICE

SIGNIFY HOLDING B.V., Ei...

1. An optical device for positioning at or adjacent to an area where a first surface intersects a second surface and for redirecting light from a light source, the optical device comprising a bottom surface under which the light source can be positioned, wherein the optical device further comprises:a first light guiding structure having a first end face and a first curved surface, whereby the first light guiding structure functions as a TIR reflector that is configured for redirecting light from the light source into a first direction towards the first surface, and
a second light guiding structure having a second end face and a second curved surface, whereby the second light guiding structure functions as a TIR reflector that is configured for redirecting light from the light source into a second direction towards the second surface,
wherein the optical device is arranged to prevent light from the light source from being redirected in a direction between the first and second directions, and
wherein the first end face of the first light guiding structure is parallel to the first surface, and the second end face of the second light guiding structure is parallel to the second surface.

US Pat. No. 10,441,809

TUNABLE WHITE LIGHT SOURCE WITH VARIABLE UV COMPONENT

SIGNIFY HOLDING B.V., Ei...

1. A lighting system comprising a first light source, a second light source and a control system configured to control the first light source and the second light source, wherein:the first light source is configured to provide first light source light comprising:
a UV component; and
a blue component or a blue component and a yellow component;
the second light source is configured to provide white second light source light having a second light source light correlated color temperature;
the lighting system is configured to provide lighting system light comprising one or more of said first light source light and said second light source light, wherein the lighting system light has a controllable correlated color temperature and a relatively increased UV content with an increased correlated color temperature,
wherein the first light source comprises a UV light source configured to provide UV first light source radiation in a wavelength range of 200-380 nm and a luminescent material configured to convert part of the UV first light source radiation into blue luminescent material light, and wherein the first light source light comprises said blue luminescent material light and said UV first light source radiation, or
wherein the first light source comprises a UV light source configured to provide UV first light source radiation in the wavelength range of 200-380 nm and a luminescent material configured to convert part of the UV first light source radiation into blue luminescent material light and configured to convert part of the UV first light source radiation and/or the blue luminescent material light into yellow luminescent material light, and wherein the first light source light comprises said blue luminescent material light, said yellow luminescent material light and said UV first light source radiation.

US Pat. No. 10,448,006

PEOPLE SENSING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A method of testing a sensor unit comprising an image sensor and a local processing module, wherein the local processing module is configured to detect, locally at the sensor unit, whether a person appears in images captured by the image sensor; the method comprising:causing a light-emitting device, external to the sensor unit, to emit a test pattern toward the image sensor of the sensor unit so as to cover at least a substantial portion of the field of view of the image sensor, to be captured over a series of the images captured by the image sensor, the test pattern comprising a spatio-temporal pattern of light simulating presence of a predetermined number of people appearing in view of the image sensor over time, wherein said predetermined number is more than one;
at a processing apparatus external to the sensor unit, receiving one or more presence detection reports from the sensor unit indicating an apparent people count detected using the sensor unit, the apparent people count being a number people detected by the local processing module based on the captured images of the test pattern; and
reporting the apparent people count to a testing function, wherein testing function compares the apparent people count with the predetermined number of people simulated by the test pattern, and, based on said comparison, determining whether the sensor unit is functioning correctly.

US Pat. No. 10,432,021

EMERGENCY INVERTER AND EMERGENCY LIGHTING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. An emergency inverter configured to provide an output power to a plurality of device drivers, comprising:a power detection module configured to detect an output current and an output voltage, and, based on the output current and output voltage, determine the total output power of the emergency inverter in an emergency state; and
a dimming signal generating module coupled to the power detection module and configured to generate a dimming signal based on the total output power of the emergency inverter in the emergency state;
wherein the dimming signal generating module is configured to generate the dimming signal in response to the total output power being detected by the power detection module as greater than a rated power of the emergency inverter and to send the dimming signal to the plurality of device drivers to instruct an adjustment of a power level of the plurality of device drivers, wherein the emergency inverter is configured to set the total output power in response to the power level of the plurality of device drivers, and wherein the emergency inverter is configured enable mains power to be provided as the output power when in a non-emergency state and to impose the rated power when the emergency inverter is in the emergency state.

US Pat. No. 10,356,857

LIGHTING SYSTEM WITH POWER FACTOR CORRECTION CONTROL DATA DETERMINED FROM A PHASE MODULATED SIGNAL

SIGNIFY HOLDING B.V., Ei...

1. A light emitting diode (LED) lighting system comprising:a controller comprising:
an input to receive a phase delay signal indicating a phase delay of a phase modulated dimmer signal; and
a signal processor, coupled to the input, to receive the phase delay signal and determine a control operating parameter from the phase delay signal and to generate a switch control signal using the determined operating parameter to vary an input current to a switching power converter with a phase modulated voltage and to maintain a regulated link voltage at an approximately constant value until a duty cycle of the control signal decreases to a predetermined threshold value and to decrease the regulated link voltage of the switching power converter when the duty cycle of the control signal decreases to the predetermined duty cycle threshold value.

US Pat. No. 10,352,508

DC-POWERED LIGHTING DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A DC-powered lighting device for placement in an external light fixture, the DC-powered lighting device comprising:a lighting unit configured to emit light in response to receiving DC power;
a connector configured to mechanically and electrically connect the DC-powered lighting device to the external light fixture;
a probing unit connected to the connector and configured to determine whether electrical power from a first external electrical power source is currently available via the connector and to provide a power-present signal having a signal value that is indicative of whether or not electrical power is currently available via the connector;
a DC-power input unit that is different from the connector and is configured to receive DC power from a second external electrical power source that is different from the first external electrical power source, and to deliver the received DC power to the lighting unit; and
a switching unit configured to allow or prevent the delivery of the DC power from the DC-power input unit to the lighting unit in dependence on the current signal value of the power-present signal,wherein the DC-power input unit comprises a DC connector for connection to the second external electrical power source, and wherein the DC connector is an Ethernet connector or a universal serial bus connector.

US Pat. No. 10,356,880

IDENTIFICATION OF LUMINAIRE PARTS

SIGNIFY HOLDING B.V., Ei...

1. A luminaire, comprising:a light source;
a lamp shade comprising at least one surface feature, the at least one surface feature comprising an identifier, which identifier is representative of at least one characteristic of the lamp shade; and
a luminaire component, comprising:
a detector, arranged for detecting the at least one surface feature of the lamp shade; and
a first processor arranged for retrieving the identifier from the detected at least one surface feature, and for identifying the at least one characteristic of the lamp shade based on the retrieved identifier, the first processor arranged for retrieving the at least one characteristic from a database,
wherein the first processor is arranged for controlling the light output of the light source based on the at least one characteristic of the lamp shade.

US Pat. No. 10,353,562

COMPUTER IMPLEMENTED METHOD FOR CREATING A DYNAMIC LIGHT EFFECT AND CONTROLLING A LIGHTING DEVICE ACCORDING TO THE DYNAMIC LIGHT EFFECT

SIGNIFY HOLDING B.V., Ei...

1. A computer implemented method for creating a dynamic light effect and controlling a lighting device according to the dynamic light effect, the computer implemented method comprising:rendering a graphical representation of the lighting device in an area of an image at a first position, the first position being associated with first color information, which first color information is defined by one or more pixels of the image located at the first position,
receiving a first user input,
setting, upon receiving the first user input, the graphical representation in a movement state, wherein the graphical representation moves autonomously across the area of the image from the first position to a plurality of subsequent positions over a period of time, the plurality of subsequent positions being associated with subsequent color information, which subsequent color information is defined by one or more pixels of the image located at the respective subsequent position,
generating one or more lighting control commands based on the first color information and the subsequent color information,
communicating the generated one or more lighting control commands to the lighting device, so as to control the light output of the lighting device according to the first color information and the subsequent color information subsequently over the period of time.

US Pat. No. 10,352,551

LED MODULE AND METHOD OF SEALING

SIGNIFY HOLDING B.V., Ei...

1. An LED module comprising:a printed circuit board having an upper surface, a lower surface, and a side surface; the printed circuit board comprising a first layer; a second layer; and a plurality of LEDs adapted to output light from the upper surface; and
an optically transmissive cover plate positioned to cover at least one of the plurality of LEDs and having at least one protrusion arranged to cover a portion of an interface between the first layer and the second layer at the side surface of the printed circuit board,
wherein the first layer forms the lower surface of the printed circuit board, and comprises a first layer side surface that is at least partially inwardly inclined.

US Pat. No. 10,736,202

LIGHTING CONTROL

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling a luminaire at a first physical location in a physical space to render a lighting effect in the physical space, the method being performed by a control device and comprising steps of:receiving at least one data object for use in rendering the lighting effect, the data object defining at least one virtual object comprising an influence value for the virtual object and a coordinate vector denoting a virtual location of the virtual object in a virtual space;
determining the first physical location of the luminaire in the physical space from a map of the physical space;
determining a separation between the first physical location of the luminaire and a second physical location in the physical space corresponding to the virtual location of the virtual object in the virtual space; and
controlling at least one characteristic of light emitted by the luminaire as a function of the determined separation and the influence value for the virtual object, thereby rendering the lighting effect.

US Pat. No. 10,712,397

METHOD AND SYSTEM FOR LOCALISATION ON A DC LIGHTING AND POWER GRID

SIGNIFY HOLDING B.V., Ei...

1. A system comprising:a DC power grid comprising a plurality of DC power lines;
an AC signal generator switchably connected to at least one of said plurality of DC grid power lines, said AC signal generator configured to transmit a locator signal along said at least one of the plurality of DC grid power lines; and
a plurality of luminaires disposed upon said DC power grid, each of said luminaires comprising a receiver configured to receive said locator signal, logic circuitry configured to calculate a distance between said luminaire and said AC signal generator based on said locator signal, memory configured to store said distance, and means for transmitting said distance to a room controller.

US Pat. No. 10,715,253

ASSOCIATING CONTENT WITH ONE OR MORE LIGHT BEACONS BASED ON GEOGRAPHICAL INDICATOR

SIGNIFY HOLDING B.V., Ei...

1. A system for associating content with one or more light beacons, comprising a server, the server comprising:at least one input interface for receiving input;
an output interface for providing output; and
at least one processor configured:
to receive a geographical indicator,
to determine a set of at least one light beacon based on said geographical indicator, each of said at least one light beacon being configured to transmit data via visible light,
to use said output interface to output information identifying said set of at least one light beacon,
to use said at least one input interface to receive a selection of one or more light beacons of said set of at least one light beacon,
to use said at least one input interface to receive a content item or a reference to a content item to be associated with said one or more light beacons, and
to associate said content item with said one or more light beacons, said association causing said one or more light beacons to transmit data via visible light which enables reproduction of said content item.

US Pat. No. 10,711,974

KICK REFLECTOR FOR WALL WASH APPLICATIONS

SIGNIFY HOLDING B.V., Ei...

1. A luminaire for providing substantially uniform light distribution along a flat wall surface, the luminaire comprising:a light source;
a housing having an internal reflective surface and an elongated light emitting opening therein in a plane substantially perpendicular to the wall surface to be illuminated; the opening having a center region;
a kick reflector comprising a frontal layer that is reflective on both sides;
wherein at least part of the kick reflector resides within the housing and is positioned between the internal reflective surface and the center region of the housing such that a distance exists between the internal reflective surface of the housing and the frontal layer along the frontal layer's entire length; and,
wherein in use, light from the light source passes through said distance between the frontal layer and the housing before being emitted from the light emitting opening at a location between the housing and the frontal layer.

US Pat. No. 10,715,341

POWERED DEVICE IN POWER-OVER-ETHERNET NETWORK SYSTEM, AND METHODS THEREFORE

SIGNIFY HOLDING B.V., Ei...

1. A powered device for receiving power from a power sourcing equipment via a communication link, the powered device comprising:a jack or port arranged for transmitting, over the communication link, a power request,
wherein the powered device is arranged to be controlled in a maximum power mode during a classification phase of said powered device,
wherein the powered device is arranged for determining, after implementing said maximum power mode during said classification phase, a type information specifying whether the power sourcing equipment supports autoclass classification mechanism, and
wherein the jack or port is further arranged for selectively transmitting the power request based on the determined type information, wherein the powered device is arranged to withhold sending the power request in response to determining that the type information indicates support of the power sourcing equipment for the autoclass classification mechanism.

US Pat. No. 10,701,771

LED LUMINAIRE WITH CONSTANT CURRENT PER-MODULE CONTROL

SIGNIFY HOLDING B.V., Ei...

1. A lighting device, comprising:a plurality of light emitting diode (LED) channels, each of which is connected in parallel to an output rail of a power converter, and at least one of which comprises:
an LED string comprising one or more LEDs,
a first switch that is electrically connected between the LED string and ground,
a second switch that is electrically connected between the first switch and ground, and
a current sensing resistor that is electrically connected between the first switch and the second switch.

US Pat. No. 10,686,660

SYSTEM, DEVICE AND METHOD FOR CONSERVING ENERGY IN CONTROLLING NETWORK APPLICATIONS

SIGNIFY HOLDING B.V., Ei...

1. An apparatus for use in an application control network, the apparatus comprising:a network interface to receive control messages from or send messages to other components within the application control network;
a storage unit for storing a schedule provided by a control message from a control unit via the network interface, wherein the schedule comprises information indicating different power modes of operation for the apparatus for specific time slots of operation; and,
a processing unit for processing the schedule to operate the apparatus in different power modes for a predetermined time in accordance with the schedule;
wherein the apparatus is adapted to power down its network interface which provides a communicative coupling to the control unit in accordance with at least one predetermined time slot in the schedule such that during said at least one predetermined time slot, communication with the application control network is not possible; and wherein the apparatus is adapted to restore power to the network interface during a subsequent predetermined time slot.

US Pat. No. 10,649,130

PEBBLE-PLATE LIKE LOUVRE WITH SPECIFIC DOMAIN CHARACTERISTICS

SIGNIFY HOLDING B.V., Ei...

1. A louvre unit comprising a plurality of louvre cells for beam shaping a lighting unit light, wherein the plurality of louvre cells comprises a plurality of n subsets each comprising a respective plurality of m louvre cells, wherein the louvre cells of each subset are configured as a domain of adjoining louvre cells, wherein a respective plurality of k louvre cells within each domain have mutually differing louvre cell cross-sections, wherein 3?n?100000, wherein 5?m?21, and wherein 5?k?m,wherein the louvre cells are formed as polygons bounded by a number Ne of louvre walls closing in a loop, wherein for each louvre cell the number Ne is in the range of 3?Ne?10,
wherein the plurality of louvre cells within the same domain only have C1 symmetry relative to a central point in said domain and each domain comprises at least three polygons of incongruent shape, and
wherein each louvre cell has a respective equivalent cross section, said equivalent cross section being a cross section of a circle having the same cross sectional area as the polygonal shape of the louvre cell, and wherein a ratio between equivalent cross-sections of louvre cells is in the range of 1:2.5.

US Pat. No. 10,648,623

LIGHT SOURCE, LAMP, AND METHOD FOR MANUFACTURING A LIGHT SOURCE

SIGNIFY HOLDING B.V.

1. A light source comprising:a light unit comprising a plurality of light emitting diodes distributed in a spatial arrangement of the plurality of light emitting diodes, the spatial arrangement having a center position, wherein the plurality of light emitting diodes includes at least two different types of diodes, each type of diode being configured to emit light within a different wavelength range; and
a hollow curved cap covering the light unit, the cap being substantially transparent to radiation emitted by the light unit and being provided with an axially symmetric protrusion forming an exposed depression in the exterior of the cap, wherein the protrusion includes a surface that is convex with respect to the plurality of light emitting diodes and that at least partially defines a cavity in which the plurality of light emitting diodes is disposed, and wherein the symmetry axis of the protrusion substantially coincides with the center position of the spatial arrangement of the plurality of light emitting diodes.

US Pat. No. 10,638,569

LIGHTING MODULE ARRANGED TO BE ATTACHED TO A LUMINAIRE

SIGNIFY HOLDING B.V., Ei...

1. A portable lighting device arranged to be mechanically and electronically attached to a luminaire, the portable lighting device comprising:at least one light source for rendering a light output, and
a processor arranged for determining if the portable lighting device has been attached to the luminaire, and for setting the portable lighting device to a first mode of operation if the portable lighting device has been attached to the luminaire, wherein the light output of the at least one light source is controlled dependent on a light setting of the luminaire when the portable lighting device is in the first mode of operation, wherein the processor is further arranged for setting the portable lighting device to a second mode of operation if the portable lighting device has been detached from the luminaire, wherein the light output of the at least one light source is controlled independent on the light setting of the luminaire when the portable lighting device is in the second mode of operation.

US Pat. No. 10,624,017

METHOD FOR OPERATING A COMMUNICATION APPARATUS AND COMMUNICATION APPARATUS

SIGNIFY HOLDING B.V., Ei...

1. A method for operating a communication apparatus in a mesh network comprising a plurality of communication nodes, whereinupon reception of a message at the communication apparatus, the communication apparatus starting a retransmission delay being selected at random from a retransmission delay interval, said retransmission delay interval being dependent on at least one criterion including at least one of a status of the communication apparatus or at least one property of the received message,
the communication apparatus depending on said criterion, monitoring retransmissions of said message by other communication nodes during said retransmission delay, and
the communication apparatus decides on transmitting a retransmission of said message at the expiry of said retransmission delay based on the monitoring;
wherein the communication apparatus comprises a neighbor table listing a plurality of communication nodes in communication range with the communication apparatus or a routing table listing a plurality of routes to communication nodes, wherein the status of the communication apparatus is based on the remaining space of the neighbor table or the remaining space of the routing table; and wherein the property of the received message is an indication of a link quality between the communication apparatus and a transmitting communication node transmitting said message;
and wherein the retransmission delay interval includes lower retransmission delay values if the link quality is above a first threshold.

US Pat. No. 10,598,363

APPARATUS AND METHOD FOR PROVIDING DOWNLIGHTING AND WALL-WASHING LIGHTING EFFECTS

SIGNIFY HOLDING B.V., Ei...

1. A lighting fixture located in close proximity to a vertical surface, the lighting fixture comprising:a plurality of lighting units, comprising:
at least one first lighting unit comprising a first plurality of LED-based light sources configured to emit a first light beam oriented toward a first portion of the vertical surface;
at least one second lighting unit comprising a second plurality of LED-based light sources configured to emit a second light beam oriented toward a second portion of the vertical surface;
at least one third lighting unit comprising a third plurality of LED-based light sources configured to emit a third light beam oriented toward a horizontal surface; and
a controller operably connected to plurality of lighting units, wherein said controller is configured to control said first, second, and third plurality of light sources such that said first light beam has an intensity that is lower than an intensity of the second light beam, wherein the second portion of the vertical surface is lower than said first portion of the vertical surface.

US Pat. No. 10,588,185

LED TUBE LAMP

SIGNIFY HOLDING B.V., Ei...

1. An LED tube lamp realized for use with a high-frequency ballast, the LED tube lamp comprising:an LED arrangement;
a driver realized to drive the LED arrangement;
a first connecting terminal pair for connecting to first outputs of the high-frequency ballast and a second connecting terminal pair for connecting to second outputs of the high-frequency ballast,
a filament resistor set (R11, R12) comprising a first resistor (R11) and a second resistor (R12), and
a magnetically coupled inductor pair (L11, L12) comprising a first inductor (L11) and a second inductor (L22), wherein the first inductor (L11) and the first resistor (R11) are connected in series with one terminal of the first connecting terminal pair and the second inductor (L12) and the second resistor (R12) are connected in series with the other terminal of the first connecting terminal pair,
wherein said first resistor (R11) and said first inductor (L11) are in a first loop allowing current into the driver from the high-frequency ballast, said second resistor (R12) and said second inductor (L12) are in a second loop, and said first and second inductors (L11, L22) are magnetically coupled in such a manner that a current in the second loop is limited in response to the current in the first loop.

US Pat. No. 10,578,293

LIGHT SOURCE COOLING BODY, LIGHT SOURCE ASSEMBLY, A LUMINAIRE AND METHOD TO MANUFACTURE A LIGHT SOURCE COOLING OR A LIGHT SOURCE ASSEMBLY

SIGNIFY HOLDING B.V., Ei...

12. A method of manufacturing a light source cooling body, the method comprising:receiving a three dimensional model of a light source cooling body that comprises i) a hollow space comprising an evaporator and an condenser, the hollow space being configured to hold a cooling material partially in a gaseous phase and partially in a liquid phase, a wall of the hollow space being formed by the thermally conductive material, at least a portion of the hollow space is tubular shaped, the hollow space further comprising a wick for transporting the cooling material in the liquid phase towards the evaporator for being evaporated when the evaporator receives heat; ii) an interface area being arranged to thermally couple a light source to and configured to receive heat from the light source, wherein a) the interface area being arranged in a direct vicinity of the evaporator and being separated by a thermally conductive wall from the evaporator for allowing heat of the light source to be transported towards the evaporator, b) the condenser being arranged away from the interface area where the light source cooling body has an interface to an environment of the light source cooling body, c) except the interface area, the light source cooling body being a planar homogeneous body of the thermally conductive material wherein the hollow space is formed within the planar homogenous body, and, d) the interface area comprises a protrusion protruding perpendicularly from the planar homogeneous body, the protrusion having a flat surface facing away from the light source cooling body, the flat surface being configured to thermally couple with a surface of the light source;
building up the light source cooling body of a thermally conductive material by depositing layers on top of each other by means of an additive manufacturing technology according to the received three dimensional model of the light source cooling body;
wherein the hollow space forms a non-loop heat pipe; and
wherein the wick extends from the condenser into the evaporator to transport the cooling material in the liquid phase from the condenser towards the evaporator.

US Pat. No. 10,578,378

HEAT TRANSFERRING ARRANGEMENT

SIGNIFY HOLDING B.V., Ei...

1. A heat transferring arrangement for cooling at least one light emitting diode, wherein the heat transferring arrangement comprises:a center portion configured to mount the light emitting diode and receive heat generated from the light emitting diode when emitting light; and
a plurality of elongated heat transferring elements configured to be inserted into a housing, each element having a proximal first end portion connected to the center portion and a distal second end portion configured to be in abutment with an inner surface of the housing, wherein an outer surface of the distal second end portion abuts the inner surface of the housing, so that the generated heat is thermally transferred to the housing, a first layer of the elongated heat transferring elements extending towards an opening of the housing, and a second layer of the elongated heat transferring elements extending towards a direction opposing the opening of the housing;
wherein each of the distal second end portions of the plurality of elongated heat transferring elements comprises a thermal interface material having a friction coefficient,
wherein the friction coefficient of the thermal interface material is lower than that of a remaining portion of the elongated heat transferring elements not provided with a thermal interface material, and
wherein the second end portions of the plurality of elongated heat transferring elements form a geometric area which is larger than cross-sectional areas of the inner surface of the housing at first and second ends of the housing.

US Pat. No. 10,575,159

COMMISSIONING OF A WIRELESS-COMMUNICATION ENABLED DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A method of adapting a standardized wireless networking ZigBee protocol, whereby according to said protocol it is defined that, an initiator node is a new node not already joined to a wireless network of said protocol, and a linking operation comprising a standardized exchange of messages between the initiator node and a second node, and wherein the protocol defines creating a new wireless network of the initiator node and the second node;wherein the method comprises, instead of using the standardized exchange of messages of said linking operation as defined in the ZigBee protocol:
adapting a field of one message of said standardized exchange of messages to form an adapted message, and sending the adapted message from the initiator node to the second node, in order to indicate that the adapted message is in fact a request for the initiator node to join an existing wireless network of said protocol, to which the second node is already joined, wherein said field is a field which the standardized protocol allows to be varied for application specific purposes;
in response to the adapted message, the initiator node receiving back an invitation message inviting the initiator node to join the existing network; and
in response to the invitation message, the initiator node joining the existing network.

US Pat. No. 10,571,082

LIGHTING DEVICE FOR A LIGHT SOURCE

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:at least one light source disposed on a base extending within a plane; and
an envelope having a surface, disposed at least above said base and defining a cavity extending along a symmetry axis;
wherein:said plane is arranged to intersect the symmetry axis;said at least one light source is arranged for injecting light into the cavity at a distance X from the symmetry axis, along a radial direction relative to the symmetry axis, said distance X being at least 50% of a total distance between the symmetry axis and an edge of the envelope, or a projection of said edge of said envelope on said plane in which the base extends, as seen along said radial direction;
a curvature of the envelope is monotonically increasing with an increasing distance from the base; and
wherein a tangent at the surface of the envelope has a slope defined such that illuminance of said at least one light source is constant or approximately constant along a circle on the surface, in a plane perpendicular to the symmetry axis.

US Pat. No. 10,571,106

CABLE ENTRY FOR OUTDOOR LED MODULE

SIGNIFY HOLDING B.V., Ei...

1. A multi-part cable module for association with a receiver rail element of a support, the multi-part cable module comprising a primary part and a secondary part, whereinthe primary part is configured to engagingly receive the secondary part, wherein the primary part comprises (a) a cavity to receive at least part of the secondary part, and (b) a primary part opening to provide access to at least part of a functional part of the secondary part when the secondary part is engagingly received by the primary part, and wherein the primary part further comprises (c) a primary part rail element configured for a male-female association with the receiver rail element of the support;
the secondary part comprises (a) an inlet for receiving a cable, and (b) said functional part, wherein the functional part comprises an outlet for said cable,
wherein the functional part further comprises a gasket perimetrically surrounding said outlet, and wherein the secondary part and gasket are an injection molding product, and
wherein the primary part comprises a first primary part side, wherein the secondary part comprises a first secondary part side, wherein at least part of the functional part extends from said first secondary part side, and wherein at least part of the functional part is configured to extend also from the first primary part side when the secondary part is engagingly received by the primary part.

US Pat. No. 10,561,855

LIGHTING DEVICE AND METHOD FOR MASKING AN EDGE TRANSITION

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprisinga light source configured to generate light;
a front side configured to emit the light from the lighting device;
an edge structure forming an outer circumference of a light window through which the light is transmitted towards the front side; wherein the edge structure, in use, provides the transmitted light with a first edge transition along the circumference of the edge structure;
a patterned layer comprising a gradient edge pattern configured to provide the transmitted light with a second edge transition; wherein the gradient edge pattern is arranged with respect to the circumference of the edge structure to superimpose the second edge transition on the first edge transition;
a diffuser disposed between the front side and the patterned layer such that no portion of the diffuser is in contact with any portion of the patterned layer, wherein the diffuser is configured to scatter the light of the second edge transition to provide the light emitted from the front side with a third edge transition.

US Pat. No. 10,551,032

LIGHTING ASSEMBLY WITH A UV PROTECTED LIGHT SOURCE THAT EMITS VISIBLE LIGHT

SIGNIFY HOLDING B.V., Ei...

1. A lighting assembly for illumination, the lighting assembly comprising:a first light source for emitting visible light, the first light source comprising a light emitter and one or more luminescent materials,
a second light source for emitting UV light,
an UV filter allowing a transmission of visible light and absorbing or reflecting UV light,wherein the UV filter is arranged in an optical path from the second light source towards the first light source.

US Pat. No. 10,544,908

LIGHTING DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A lighting device, comprising:an end cap;
a glass bulb having a distal top and a proximal base relative to the end cap;
a tubular flare having an open distal end and a proximal end relative to the end cap, provided inside the glass bulb and joined with the glass bulb;
a cylindrical heat spreader having a first section arranged inside the tubular flare and a second section extending outside the tubular flare and the glass bulb;
a solid-state lighting unit mounted on top of the first section of the cylindrical heat spreader;
an optical means provided over the solid state lighting unit; said open distal end being arranged for positioning the optical means outside the tubular flare;
a driver provided at least partly inside the cylindrical heat spreader and electrically connected to the solid-state lighting unit; and wherein
the end cap attached to the second section of the cylindrical heat spreader, and wherein the proximal end of the tubular flare is joined with the proximal base of the glass bulb.

US Pat. No. 10,542,598

LIGHTING CONTROL

SIGNIFY HOLDING B.V., Ei...

1. A lighting control apparatus comprising:a control interface configured to connect to a lighting system comprising one or more luminaires for illuminating an environment, each luminaire comprising at least one lamp controllable to emit configurable illumination;
a memory configured to store at least one set of configuration data for a group of lamps in the lighting system, the set of configuration data defining an initial lighting scene for rendering by the group of lamps;
a scene controller arranged for controlling the group of lamps, via the control interface, to render lighting scenes;
a detector configured to detect when at least one lamp of the group of lamps is emitting illumination that would disrupt the initial lighting scene by detecting when the at least one lamp of the group of lamps is uncontrollable by the scene controller, and via the control interface that the at least one lamp of the group of lamps has become unreachable, and determine at least one characteristic of the disruptive illumination by accessing in the memory a last-known illumination setting of the at least one lamp of the group of lamps; and
a scene modifier configured to modify the set of configuration data based on the determined characteristic to account for the disruptive illumination, such that an overall illumination of the environment when rendering the modified scene at least approximately matches an overall illumination of the environment that would have been provided had it been possible to render the initial scene without the disruptive illumination;
wherein the scene controller is configured to control one or more lamps of the group of lamps, via the control interface, to render a modified lighting scene defined by the modified set, wherein controlling the one or more lamps of the group of lamps comprises adjusting the illumination of the one or more lamps of the group of lamps other than the at least one lamp of the group of lamps which is uncontrollable by the scene controller.

US Pat. No. 10,539,292

OPTICAL DEVICE AND LUMINAIRE

SIGNIFY HOLDING B.V., Ei...

1. An optical device having a bottom plane and comprising a plurality of lenses for projecting a plurality of parallel beams having a predetermined width towards an object area, wherein each lens comprises:a cavity for housing a solid state lighting element;
a pair of opposing internally reflecting side surfaces for constraining said beam within said predetermined width; and
a light exit surface delimited by said opposing side surfaces, the light exit surface comprising:
a curved region extending from a further surface region to a stepped region, the curved region and the stepped region each extending between the opposing internally reflecting side surfaces, wherein the curved region is shaped to generate a collimated beam portion along an optical axis, said axis not being parallel to the bottom plane, and the stepped region comprises a plurality of prismatic protrusions, each of said protrusions extending between said opposing internally reflecting side surfaces, and each of said protrusions comprising a prism structure that refracts light emitted from the solid state light element;
wherein the curved region has an outer surface distal from the bottom plane, said outer surface having a maximum distance as measured along a vertical line to the bottom plane; and,
wherein each location of the step region has a distance, as measured along a line vertical to the bottom plane, that is less than said maximum distance.

US Pat. No. 10,537,009

LIGHTING DEVICE WITH CONTEXT BASED LIGHT OUTPUT

SIGNIFY HOLDING B.V., Ei...

1. A lighting device arranged for rendering a light output, the lighting device comprising:at least one light source arranged for emitting light,
a receiver arranged for receiving at least one signal from at least one further device, which at least one signal is representative of a current location of the lighting device,
a processor arranged for controlling the light output of the at least one light source,
wherein the processor is further arranged for:
a. determining the current location of the lighting device based on the received at least one signal,
b. accessing a memory storing associations between locations and light settings,
c. comparing the current location to at least one stored location so as to determine whether a first similarity criterion is met, and
d. if the first similarity criterion is met, then controlling the light output of the lighting device according to a light setting associated with the stored location, and if the first similarity criterion is not met, then the processor is further arranged for associating the current location with a current light setting and storing the association in the memory.

US Pat. No. 10,530,590

FORCED BULK CAPACITOR DISCHARGE IN POWERED DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A method for generating a power signal in a device in a power distribution system, the device comprising at least one capacitor parallel to a load of the device, the power distribution system comprising a power supply arranged for powering the device only when at least a minimum current is drawn by the device from the power supply for a duration of at least a first time period; the method comprising:measuring a voltage over the at least one capacitor while the device is drawing current,
controlling the device to draw a first current as long as the measured voltage over the at least one capacitor is decreasing over time, and
controlling the device, after the measured voltage ceases decreasing over time, to draw a second current equal to or greater than the minimum current, wherein the second current is drawn for at least the first time period such that the power supply continues to supply power to the device, wherein the first current is a pulsed current and the duration of at least one pulse of the first current is equal to or greater than the first time period.

US Pat. No. 10,524,426

LIGHT SOURCES ADAPTED TO SPECTRAL SENSITIVITY OF PLANT

SIGNIFY HOLDING B.V., Ei...

1. A method of stimulating plant growth in a controlled environment comprising:providing a cylindrical body having at least one plant disposed therein;
placing a network of lighting elements that produce light at a predetermined wavelength arcuately around the periphery of the cylindrical body adjacent to the plant in order to provide light to the at least one plant; and
rotating the cylindrical body at a predetermined speed relative to the lighting elements to controllably provide predetermined periods of light and dark to stimulate continuous growth of the plant.

US Pat. No. 10,531,539

METHOD FOR CHARACTERIZING ILLUMINATION OF A TARGET SURFACE

SIGNIFY HOLDING B.V., Ei...

1. A method for measuring illumination by a lighting unit of a target surface within a lighting environment, the method comprising the steps of:illuminating, with a light source of the lighting unit, the target surface;
detecting, with a light sensor, a light intensity for a plurality of locations of the target surface;
detecting a parameter of the lighting environment;
detecting, using the detected parameter, an obstruction situated in the lighting environment between the light source and the target surface;
selecting, by a controller of the lighting unit, a subset of the plurality of light intensities based on the detected parameter of the lighting environment and the detected obstruction, wherein the subset comprises light intensities from an unobstructed portion of the target surface; and
estimating, using the selected subset of light intensities, a lux of the target surface.

US Pat. No. 10,531,548

DYNAMIC LIGHT EFFECT BASED ON AN IMAGE

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling a lighting device to generate a dynamic light effect, the method comprising:receiving an image,
selecting a first area in the received image based on first selection criteria,
selecting a sequence of sub-areas in the first area based on second selection criteria,
extracting a set of color values, each color value of the set extracted from a different sub-area in the sequence of sub-areas; and
controlling the lighting device based on the extracted set of color values to render a dynamic light effect,wherein the selecting the first area in the received image based on the first selection criteria comprises:detecting, using image processing, a plurality of objects in the received image;
selecting as the first area an area, comprising the detected objects;
determining a non-linear path so that the path passes through object borders of said plurality of objects in the first area based on object-recognition of the plurality of objects; and
selecting the sequence of sub-areas in the first area such that each sub-area of said sequence is disposed along the path.

US Pat. No. 10,520,141

INTEGRATED AIR GUIDE AND BEAM SHAPING

SIGNIFY HOLDING B.V., Ei...

1. A lighting unit comprising a light mixing chamber defined by faces and an edge face, wherein a height of the light mixing chamber defined by a distance between the faces is smaller than a first length of the light mixing chamber, wherein the lighting unit comprises a plurality of at least ten light sources configured to provide light source light in the light mixing chamber, wherein at least one of the faces comprises a plurality of chamber openings for escape of at least part of the light source light from the light mixing chamber, wherein the chamber openings have a length equivalent to the thickness of the face comprising said chamber openings, and have a shape and/or diameter that varies with the length,wherein the lighting unit further comprises a plurality of beam shaping elements, with each beam shaping element configured downstream from a corresponding chamber opening, and wherein the beam shaping elements comprise reflectors,
wherein the plurality of at least ten light sources are configured in an evenly distributed manner at the edge face and are configured to provide said light source light having an optical axis perpendicular to the height, and
wherein the beam shaping elements are configured in a pseudo random pattern.

US Pat. No. 10,517,161

CONNECTED DEVICE SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A connected device system, comprising:a master network device and a device to be integrated into the connected device system, wherein the connected device system is adapted to connect the master network device and the device via a wireless network,
wherein the device is adapted, when being added to the wireless network, to announce itself in the wireless network and to provide an upgrade server in the wireless network, wherein the upgrade server makes available for retrieval a digital asset indicative of a characteristic of the device, and
wherein the master network device is adapted to detect the device in the wireless network based on the announcement, to search for the upgrade server of the device in the wireless network in response to the detection of the device, and to retrieve the digital asset from the upgrade server of the device,
wherein the master network device is adapted to provide an master upgrade server in the wireless network and to stop providing the master upgrade server in the wireless network in response to the detection of the device.

US Pat. No. 10,505,839

UNICAST MESSAGE ROUTING USING REPEATING NODES

SIGNIFY HOLDING B.V., Ei...

1. A method for routing messages through a mesh network comprising a plurality of nodes, wherein a message is sent from a sending node to a receiving node; the method comprising:defining a routing table designating a path from a source node to a destination node through the mesh network,
defining a neighbor table specifying one or more neighbor nodes from the plurality of nodes which are in the neighborhood of the sending node,
if the destination node is not in the neighbor table of the sending node, transmitting the message by the sending node to a receiving node adapted to forward the message to the destination node in accordance with the routing table, wherein the one or more neighbor nodes save the message in internal storage and a predetermined number of helping nodes from the one or more neighbor nodes repeat the message after respective predetermined time intervals have passed after detecting transmission or retransmission of the message, the number of helping nodes being smaller or equal the number of neighbor nodes.

US Pat. No. 10,487,990

LIGHTING DEVICE HAVING A WIRELESS COMMUNICATION ANTENNA

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:an envelope;
a carrier connected to a stem element, arranged inside said envelope and having solid state light sources mounted on said carrier;
driver circuitry spaced apart from said carrier;
at least one power line connecting said solid state light sources and said driver circuitry;
a wireless communication circuit configured to receive control signals, and control the light output, during operation, from said solid state light sources; and
wherein said wireless communication circuit is connected to said at least one power line for using said at least one power line as a wireless communication antenna,
wherein said at least one power line is formed by a carrier wire attached to said carrier and a stem wire attached to said envelope and connected to the carrier wire, and
wherein said at least one power line has an antenna portion that has a transceiving portion which is arranged between the solid-state light sources and the driver circuitry.

US Pat. No. 10,480,733

FLAME SIMULATING LIGHT-EMITTING DEVICES AND RELATED METHODS

SIGNIFY HOLDING B.V., Ei...

1. A light-emitting system for simulating a flame comprising:a plurality of disjointed sets of light-emitting elements,
a controller configured to dynamically generate a plurality of control signals,
wherein the light-emitting elements of a given set of the disjointed sets of light-emitting elements are configured to adjust corresponding intensities of emitted light in accordance with a respective control signal of the plurality of control signals, and
wherein at least one parameter of the respective control signal is an independent variable with respect to the at least one parameter of another control signal with which the light-emitting elements of another set of the disjointed sets adjust respective emitted light intensities,
wherein the light-emitting elements within the given set adjust the corresponding intensities of the emitted light in accordance with a plurality of light-emission signals that are based on the respective control signal such that the at least one parameter of each light-emission signal of the plurality of light-emission signals is a dependent variable with respect to the at least one parameter of each other light-emission signal of the plurality of light-emission signals.

US Pat. No. 10,454,578

RECEIVING CODED VISIBLE LIGHT IN PRESENCE OF INTERFERENCE

SIGNIFY HOLDING B.V., Ei...

15. A non-transitory computer readable medium storing code for operating a coded visible light receiver, the code configured such that, when executed by a processor, the processor performs operations of:in response to a sensor of the coded visible light receiver receiving light comprising data modulated into the light according to a coding scheme, transforming the data into a frequency domain representation comprising a band of a spectrum resulting from said data being modulated into the light according to said coding scheme; and
cancelling interference occurring in said band by determining that one or more components in said band exceeds a threshold signal strength and cancelling said one or more components in response to said determining,
wherein said determining and cancelling comprises: determining a first threshold curve, cancelling one or more first components exceeding the first threshold curve, determining a second threshold curve excluding an effect of the first components, and cancelling one or more second components exceeding the second threshold curve.

US Pat. No. 10,447,497

LIGHTING NETWORK

SIGNIFY HOLDING B.V., Ei...

1. A wireless lighting device comprising:a first radio transceiver for connection to at least one other lighting device via a first wireless network;
a second radio transceiver for connection to a network device via a second wireless network;
a memory storing network credential information, the stored network credential information indicating a MAC address assigned for use by the second radio transceiver for communication with the network device via the second wireless network; and
a hardware processor configured to:
detect that the wireless lighting device is to operate as a bridge between the first and second wireless networks, instead of a further lighting device, of said at least one other lighting device, that has been operating as the bridge between the first and second wireless networks, to allow data to be exchanged between the wireless lighting device and the network device;
obtain a MAC address associated with the further lighting device that has been established for use by the further lighting device to communicate with the second wireless network; and
modify the network credential information stored in the memory such that the MAC address associated with the further lighting device is assigned for use by the second radio transceiver for communication with the network device via the second wireless network, thereby configuring the wireless lighting device to operate as the bridge between the first and second wireless networks to allow data to be exchanged between the at least one other lighting device and the network device via the wireless lighting device operating as the bridge.

US Pat. No. 10,362,679

LAMP COMPRISING A FLEXIBLE PRINTED CIRCUIT BOARD

SIGNIFY HOLDING B.V., Ei...

1. A lamp comprising:at least two solid state light sources;
an envelope comprising a light transmittable surface adapted to transmit light from the solid state light sources;
a heat sink extending from inside the envelope to the light transmittable surface of the envelope such that it divides the envelope into at least two compartments; and
a flexible printed circuit at which the solid state light sources are mounted and which is adapted to be connected to driving electronics of the lamp, wherein the flexible printed circuit comprises a plurality of leg portions and a mid-portion, wherein the plurality of leg portions of the flexible printed circuit are integrally formed with and extend from the mid-portion of the flexible printed circuit, and wherein each leg portion is respectively arranged in one of the compartments and an outer surface of each leg portion is substantially concave,
wherein at least two of the leg portions of the flexible printed circuit are each attached to the heat sink such that the solid state light sources are distributed in the compartments.

US Pat. No. 10,353,016

SYSTEM AND METHOD FOR FAULT MANAGEMENT IN LIGHTING SYSTEMS

SIGNIFY HOLDING B.V., Ei...

1. A method, operable in a processing system, for determining faults in a lighting system, said method comprising:performing a training phase, said training phrase comprising,
determining a plurality of settings when portions of the lighting system are to be turned-on or turned-off;
obtaining a plurality of samples for each of the plurality of settings;
determining light and/or power statistical parameters associated with said obtained plurality of samples for each of the plurality of settings; and
performing a monitoring phase, said monitoring phase comprising:
obtaining measurement samples for each of the plurality of settings;
determining a parameter associated with the measurement samples;
determining whether said parameter is within a threshold with respect to said statistical parameters for a corresponding one of said plurality of settings;
generating a system error report when said parameter is not within said threshold; and
scheduling maintenance based on the system error report to correct identified faults.

US Pat. No. 10,355,340

SOLID-STATE LIGHTING DEVICE HAVING A WIRELESS COMMUNICATION ANTENNA

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:a solid-state lighting element;
a radio frequency communication unit for wireless communication between the lighting device and an external device;
a light guide having a circumferential edge, wherein the light guide is adapted to couple in light emitted by the solid-state lighting element and to provide illumination to the surroundings of the lighting device, the solid-state lighting element being positioned in a depression of the circumferential edge; and
a metal strip extending along at least a portion of the circumferential edge of the light guide, wherein the metal strip is in thermal contact with the solid-state lighting element and the light guide, and wherein the metal strip is coupled to the radio frequency communication unit so as to operate as an antenna for the radio frequency communication unit, the metal strip having two ends arranged on either side of the depression of the circumferential edge forming a gap level with the solid-state lighting element.

US Pat. No. 10,694,680

METHOD OF CONTROLLING AN ARTIFICIAL LIGHT PLANT GROWING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling an artificial light plant growing system wherein the artificial light plant growing system is isolated from natural light, the method comprising:receiving information indicative of a production demand (D) for a plant type to be grown in the artificial light plant growing system and information indicative of an energy supply (C) for a light source of the artificial light plant growing system,
receiving information indicative of a light offset (L0), a constant (C2), and information indicative of a cost of energy (CE),
controlling operation of the light source of a plant growing environment of the artificial light plant growing system in dependence on the received information so that the production rate (P) of the plant of said plant type grown in the system versus the production demand (D) and energy supply (C) is optimised, the optimization comprising controlling energy usage such that a light level at a time t, L(t), is calculated using the equation:
L(t)=L0+C2*[D(t)/CE(t)]
and,
controlling the level of CO2 in the plant growing environment of the artificial light plant growing system in dependence on the determined operation of the light source.

US Pat. No. 10,697,599

ADJUSTABLE LIGHT FIXTURES

SIGNIFY HOLDING B.V., Ei...

1. An adjustable light fixture comprising:a housing comprising at least one wall that forms a first cavity;
a first sealing member coupled to the at least one wall and at least partially disposed within the first cavity; and
a body movably coupled to the housing and at least partially disposed within the first cavity, wherein the body is configured to have a plurality of positions relative to the housing, wherein the first sealing member abuts against an outer surface of the body when the body is in each of the plurality of positions, wherein the first sealing member prevents fluids in an ambient environment from traversing therethrough when the body is in each of the plurality of positions, wherein the plurality of positions includes the body having a tilt angle relative to the housing of greater than 20°.

US Pat. No. 10,693,666

DEVICE AND METHOD FOR PARALLEL POWERING

SIGNIFY HOLDING B.V., Ei...

1. A device for allowing parallel powering, comprising:a characteristic setting unit for setting an impedance as a characteristic, wherein the characteristic is used for signaling the presence of a compliant powered device arranged to be powered by Power-over-Ethernet and wherein the characteristic is to be detected by a power source equipment via a supply line for powering,
a sensor coupled to the supply line, wherein the sensor is arranged for checking for an application of a detection voltage and/or detection current by the power source equipment to the supply line for detection of a compliant device and for outputting a sensor signal when an unsuccessful attempt for detection of a compliant device is recognized, and
a controller coupled to the characteristic setting unit and the sensor wherein the controller is arranged, upon receipt of the sensor signal from the sensor, for controlling the characteristic setting unit so to change the characteristicwherein the device is a powered device arranged for being powered via the supply line and the characteristic setting unit is an interface for presenting the characteristic to the supply line in order to signal the presence of the powered device orwherein the device is a connecting unit arranged for coupling the power source equipment and at least one powered device andwherein the device includes at least a portion of the supply line.

US Pat. No. 10,694,374

ELECTRONIC NETWORK DEVICE

SIGNIFY HOLDING B.V., Ei...

1. An electronic network device, the network device comprising:a key memory storing a cryptographic public key and corresponding private key,
a credential memory for storing credentials after the credentials have been received by the network device,
a wireless communication unit having a master mode and a client mode, the wireless communication unit being configured to enter master mode before the credential memory stores the credentials and to enter client mode after the credential memory stores the credentials, the network device being associated with a network device identifier, the wireless communication unit being configured for a first wirelessly communication protocol,
in the master mode, the wireless communication unit being configured to receive a wireless connection request from a configurator device, and, if the connection request is addressed to the network device identifier, establish a first wireless connection with the configurator device,
in the client mode, the wireless communication unit being configured to set up a second wireless connection with a wireless access point using the credentials from the credential memory,
a provisioning unit configured to
send the public key to the configurator device over the established first wireless connection,
receive encrypted credentials wirelessly from the configurator device, decrypting the encrypted credentials through the private key to obtain the credentials, and storing the credentials in the credential memory, and
a data storage element storing digital data, a cryptographic hash of the public key being derivable from the digital data, wherein
the data storage element is optically readable by the configurator device and wherein a reader unit is arranged to optically read the data storage element, or
the data storage element is wirelessly readable by the configurator device and configured for a second wireless communication protocol different from a first wireless communication protocol, and wherein the reader unit is arranged to wirelessly read the data storage element over the second wireless communication protocol.

US Pat. No. 10,690,297

TUBULAR LIGHT EMITTING DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A tubular light, comprising:an elongate light source having a length axis and a light output optical axis perpendicular to the length axis;
a tubular housing around the light source; and
an optical beam shaping arrangement within the housing around an inner surface of at least an angular portion of the tubular housing for beam shaping of the light output from the elongate light source in a plane perpendicular to the length axis,
wherein the optical beam shaping arrangement has an effective focal distance, in the plane perpendicular to the length axis, which varies in dependence on the angular position around the optical beam shaping arrangement, such that the effective focal distance is longer for light in the light output optical axis direction than for light output laterally to the sides of the light output optical axis, and
wherein the optical beam shaping arrangement further provides a beam in a general direction of the light output optical axis with a narrower beam width than the beam width of the elongate light source, combined with a beam in an opposite general direction.

US Pat. No. 10,684,845

SYSTEMS AND METHODS FOR UPDATING SYSTEM DEVICES IN A CLOUD-BASED SYSTEM FOR MONITORING AND CONTROLLING PHYSICAL ENVIRONMENTS

SIGNIFY HOLDING B.V., Ei...

1. A system for updating a system device, the system comprising:a computing cloud comprising:
a project service module for receiving and responding to a request to access project data comprising a project hierarchy,
an update module for providing access to data associated with the project hierarchy, the data comprising data associated with a particular system device located on a particular floor, building and site identified in the project hierarchy, and
a images repository module for receiving a request for update data applicable to the particular system device, and for providing at least data identifying a location of the update data,
a building server communicatively coupled with the computing cloud, and comprising
a Firmware (FW) update Building Server (BS) module for receiving a request to update the particular system device, and for initiating retrieval of update data associated with the particular system device from the images repository module;
a gateway communicatively coupled with the building server, the gateway being associated with the particular system device, receiving a notification of a pending update for the particular system device from the FW update BS module, and retrieving the update data associated with the pending update; and
the particular system device communicatively coupled with the gateway, for receiving notification from the gateway of the pending update, and applying the update.

US Pat. No. 10,686,656

PROVISIONING A WIRELESS DEVICE WITHOUT KEYPAD

SIGNIFY HOLDING B.V., Ei...

1. A provisioning device for communicating information to a wireless device, the provisioning device comprising:a wireless interface for transmitting data packets;
a provisioning unit configured for obtaining the information in an encoded form in the provisioning device and for controlling the wireless interface to transmit via the wireless interface a sequence of data packets in accordance with a pattern generated based on the information, the pattern comprising elements representing the information, each element corresponding to a predetermined time distance between consecutive data packets,
wherein each of the data packets in the sequence of data packets has an equal predefined length which is smaller than a maximum length supported by the wireless interface.

US Pat. No. 10,680,876

ADAPTIVE RECOVERY FROM NODE FAILURES IN A NETWORK SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A network system for enabling failure recovery, comprising:a network node, wherein the network node comprises a memory and a first hardware processor that is configured to:
create a logic link to at least one neighbor node in at least one of an upstream and downstream direction of the neighbor node by storing in said memory network information including at least an address and port identification of the neighbor node, wherein the neighbor node is connected to a switch device and wherein the port identification is an identification of a port of said switch device to which the neighbor node is connected;
send a first beacon signal from the network node to the neighbor node;
check for a receipt of an acknowledgement signal from the neighbor node, said acknowledgement signal acknowledging receipt by the neighbor node of the first beacon signal;
check, based on the port identification, a status of the port of said switch device to which the neighbor node is connected, if no acknowledgement signal has been received by the network node in response to the first beacon, signal for a predetermined time period, wherein the status of the port of the switch device at least indicates an address of a given node connected to the port;
determine based on the checked status of the port whether the neighbor node has been replaced, wherein the processor determines that the neighbor node has been replaced by determining that the address of the given node connected to the port is different from the address of the neighbor node stored in the network node; and
automatically configure the given node in response to the determination that the neighbor node has been replaced,
wherein the network system further comprises the given node and an additional node, wherein the additional node comprises a second hardware processor that is configured to receive, from the neighbor node, a second beacon signal comprising data defining a configuration of the neighbor node and wherein the given node is configured in accordance with said configuration.

US Pat. No. 10,677,854

APPARATUS AND METHODS FOR GATHERING AND USING OPERATING DATA FROM A LIGHTING PRODUCT

SIGNIFY HOLDING B.V., Ei...

1. A computer implemented method, comprising the steps of:accessing a memory in a lighting product after an end-of-life of said lighting product, wherein operating information denoting actual usage of said lighting product is accumulated and written into said memory during a lifetime of said lighting product;
recovering, by a processor, the operating information from said memory;
selecting, by the processor, a replacement product from a product database based upon said operating information; and
displaying, by a display device, product information for said replacement product,
wherein the selecting comprises determining lighting settings selected by a user for said lighting product from said operating information, generating a query to the product database, said query including operational characteristics matching the lighting settings, and selecting said replacement product such that said replacement product provides said operational characteristics.

US Pat. No. 10,678,407

CONTROLLING A SYSTEM COMPRISING ONE OR MORE CONTROLLABLE DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A method for controlling a system comprising one or more controllable devices, the method comprising:capturing, via a camera device, an image comprising the one or more controllable devices;
displaying, via a display device, the image, wherein the image is a dynamic real time image;
sending a first command to a system controller controlling the one or more controllable devices to generate respective information, wherein the respective information comprises a change in a brightness of the emitted light of the respective controllable light source;
identifying the one or more controllable devices, via emitted light, using respective controllable light sources associated with each of the respective one or more controllable devices;
associating local areas in the image to the one or more respective controllable devices based on the respective information within the light emitted by the respective controllable light sources associated with each of the respective controllable devices in the image; wherein the associated local areas in the image to the one or more respective controllable devices further includes:
turning off a first controllable device;
capturing a further image of the first controllable device and a second controllable device of the one or more controllable devices; and
determining a local area of the first controllable device from a combination of the image and the further captured image;
receiving, via a user input device, a user input indicating a selected one of the local areas in the image that is displayed;
determining, via a processor, a second command for the one or more controllable devices from the user input associated with the selected local area; and
communicating, via a communication device, the second command to the one or more controllable devices.

US Pat. No. 10,681,494

CONTROLLING LOCALIZATION

SIGNIFY HOLDING B.V., Ei...

1. A node of a location network, comprising:a transmitter configured to transmit a signal for use by a mobile device to determine a location of the mobile device in combination with signals from other nodes of the location network; and
an identification module configured to include, in association with the signal transmitted from said node, an identifier of the location network or a provider of a location related service associated with said location network,
wherein the transmitter is configured to transmit according to a predetermined format comprising one or more first fields designated to transmit the signal for use in said location determination, and a provider identification field designated for identifying at least one provider of a location related service, the identification module being configured to include the identifier of said provider in the provider identification field.

US Pat. No. 10,677,398

SOLID STATE LIGHT EMITTER LIGHTING ASSEMBLY AND A LUMINAIRE

SIGNIFY HOLDING B.V., Ei...

1. A solid state light emitter lighting assembly for emitting a beam of light, the solid state light emitter lighting assembly comprisinga light exit window for transmitting the beam of light into a surrounding,
a reflector being arranged to reflect impinging light towards the light exit window, the reflector having a curved reflective surface and having at least one edge bending towards the light exit window,
a light guide having a first end for incoupling light, having a second end for outcoupling light and having side surfaces in between the first end and the second end, the light guide being arranged to substantially guide incoupled light from the first end towards the second end by total internal reflection, the first end being arranged at a first side of the at least one edge of the reflector, the first side being away from the reflecting surface, the second end being arranged at a position in between the reflector and the light exit window and being arranged to emit the outcoupled light in directions away from the light exit window towards the reflector,
a solid state light emitter being arranged at the first side, the solid state light emitter being arranged to emit light towards the first end of the light guide,wherein the solid state light emitter being arranged outside the reflector, and wherein, in use, a portion of the light being reflected by the reflector towards light exit window is transmitted through the light guide via the side surfaces.

US Pat. No. 10,679,975

LIGHTING DEVICE WITH UV LED

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising:a plurality of light emitting diodes, LEDs, the plurality of LEDs being disposed on a substrate for emitting visible light from at least one first light output surface in an outgoing light direction;
at least one ultra violet light emitting diode, UV LED, for emitting UV light from a second light output surface in the outgoing light direction, and
a phosphor layer disposed on at least the plurality of LEDs such that said LEDs are covered by the phosphor layer;
wherein the second light output surface for emitting UV light from said at least one UV LED is mounted at a higher level than said at least one first light output surface relative to the substrate in the outgoing light direction
wherein the plurality of LEDs is configured to produce colored light and/or white light.

US Pat. No. 10,677,418

LED MODULE WITH OUTLET LENS

SIGNIFY HOLDING B.V., Ei...

1. A lighting module comprising:an LED having a light output area; and
a refractive lens over the LED for providing beam shaping of the light output of the LED, wherein the lens comprises an inner surface and an outer surface, wherein the outer surface is a smooth beam shaping surface which provides a beam shaping function essentially only via refraction, and the inner surface has a stepped profile, wherein the inner surface is nearer to the LED than the outer surface,
wherein the steps of the stepped profile each comprise a riser portion and an output portion, wherein the riser portions are parallel with a ray direction originating from a central point of the light output area of the LED and the output portions are normal to said ray direction.

US Pat. No. 10,677,424

LIGHTING MODULE AND A LUMINAIRE

SIGNIFY HOLDING B.V., Ei...

1. A lighting module for use in a reflector, comprising:at least one first light source configured to emit first light having a first light distribution with a first main direction,
at least one second light source configured to emit second light having a second light distribution with a second main direction opposite to the first main direction,
a base for connecting the lighting module to a luminaire and having a longitudinal axis extending through a center thereof,
the first light source being positioned on the longitudinal axis and the second light source being positioned at a non-zero distance to the longitudinal axis,
wherein the first main direction and the second main direction are substantially perpendicular with respect to the longitudinal axis, and a carrier attached to said base for carrying said first light source and said second light source.