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. 10,506,692

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. 10,451,776

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. 10,411,641

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. 10,506,691

SYSTEMS AND METHODS FOR COMMISSIONING AND LOCALIZING DEVICES USED FOR CLOUD-BASED MONITORING AND CONTROL OF PHYSICAL ENVIRONMENTS

SIGNIFY HOLDING B.V., Ei...

1. A system for localizing a system device used for monitoring physical environments, the system comprising:a computing cloud comprising:
an application module configured to receive, via a user interface of a portable electronic device, an indication of a user's selection of a representation of the system device, and to transmit a request to open a wireless network of a gateway associated with the system device, the gateway being identified, among a plurality of gateways, by a unique ID,
a project service module configured to receive the request to open the wireless network from the application module, and to transmit an enhanced request to open the wireless network of the gateway, the similar request being enhanced with an associated building server ID and the gateway's IP address, and
a plugin module configured to receive the enhanced request from the project service module, and to transmit a request to open a specific type of wireless network at the gateway identified by the received gateway IP address;
a building server communicatively coupled with the computing cloud, configured to receive the request to open a specific type of wireless network from the plugin module, and to transmit the request to the gateway identified by the IP address;
a gateway communicatively coupled with the building server, configured to receive the request transmitted by the building server, to open its wireless network, and to inform associated system devices of the open network, and to inform the building server that the network was successfully opened;
the portable electronic device configured to transmit a signal to the system device to add itself to the gateway's wireless network; and
the system device communicatively coupled with the gateway, configured to transmit a request to join the wireless network of the gateway.

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. 10,465,899

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. 10,441,809

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. 10,432,021

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. 10,536,864

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. 10,506,716

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. 10,505,839

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. 10,491,124

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. 10,480,733

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. 10,473,275

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. 10,473,316

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. 10,468,910

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. 10,468,912

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. 10,449,716

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. 10,448,006

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. 10,447,497

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. 10,353,016

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. 10,537,009

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. 10,533,711

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. 10,530,590

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. 10,495,269

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. 10,499,477

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. 10,487,990

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. 10,481,316

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. 10,458,603

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. 10,458,639

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. 10,462,340

METHODS AND APPARATUS FOR WIRELESSLY CONTROLLING LIGHTING EFFECTS OF A NETWORKED LIGHT SOURCE

SIGNIFY HOLDING B.V., Ei...

1. A method for illuminating a target, the method comprising: selecting, using an image recording device comprising a wireless communications interface, one or more lighting units located within a first distance to the image recording device, wherein each lighting unit comprises an LED-based light source capable of emitting light with one or more of a plurality of lighting effects, wherein the selecting comprises the image recording device broadcasting a signal received by said one or more lighting units located within the first distance, receiving one or more responses from the one or more lighting units, and locating the one or more lighting units in relation to the target by determining whether said one or more lighting units is disposed within a location range to the image recording device; and communicating, via the wireless communication interface, to one or more of the selected lighting units a request to illuminate the target with one or more of said plurality of lighting effects when the image recording device captures an image or records a video, wherein the selecting comprises excluding at least one other lighting unit including a corresponding light source from being selected in response to determining that said at least one other lighting unit is disposed outside of said location range to the image recording device.

US Pat. No. 10,456,977

PRINTING HEAD, PRINTING APPARATUS, PRINTING METHOD AND PRINTED ARTICLE

SIGNIFY HOLDING B.V., Ei...

9. A method of printing an article, comprising:depositing a textured layer of a printing material on a receiving surface, the textured layer including features protruding from a main surface of the textured layer for interlocking with a subsequent layer, wherein depositing the textured layer comprises laterally moving a printing head including a nozzle and a texturing member across the receiving surface, the nozzle comprising an outlet shaped to form the features for interlocking with the subsequent layer; and
depositing the subsequent layer on the receiving surface, wherein the subsequent layer interlocks with the features protruding from the main surface of the textured layer,
wherein the texturing member defines the outlet to have a polygonal outline comprising a plurality of corners having an angle less than 90 degrees.

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. 10,461,857

CLOCK RECOVERY FOR A CODED LIGHT RECEIVER

SIGNIFY HOLDING B.V., Ei...

1. A signal processing module for receiving a coded light signal from light captured by a rolling-shutter camera, wherein the coded light signal comprises a periodically repeating message repeating with a message period; and wherein the signal processing module is configured to receive the coded light signal by performing operations of:receiving a respective portion of the message in each of a plurality of frames captured by the rolling-shutter camera, with different ones of said portions being received in different ones of the frames;
based on each respective one of a discrete group of trial values of the message period, using the respective trial value to reconstruct a respective first version of the message from the portions received in a first subset of said frames, and to reconstruct a respective second version of the message from the portions received in a second subset of said frames, wherein one or more of the frames in the second subset are not members of the first subset;
for each of the trial values, generating a respective value of a measure of similarity between the respective reconstructed first and second versions of the message; and
determining an estimate of the message period based on the values of said measure of similarity, and determining an output version of the message based on said estimate.

US Pat. No. 10,460,346

APPARATUS FOR MONITORING A PERSON HAVING AN INTEREST TO AN OBJECT, AND METHOD THEREOF

SIGNIFY HOLDING B.V., Ei...

12. A method of monitoring a person having an interest to an object, the method comprising steps of:by a data processor, obtaining interaction data related to a remote interaction between the person and at least one of a plurality of objects, and analyzing the interaction data to identify a particular one of the objects to which the person has the interest, and
by the data processor, obtaining additional data related to the particular object to provide additional data to the person,
wherein the interaction data comprises touch data indicative of one or more touches by the person to a window located in front of the plurality of objects, and
wherein identifying the particular object comprises detecting a position of touches on the window based on the touch data and then projecting the touch position onto coordinates of the objects to identify the particular object.

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. 10,454,578

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. 10,451,792

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. 10,451,793

LIGHTING DEVICE HAVING PLURAL LIGHT-SOURCES AND LIGHT GUIDE WITH WAVELENGTH CONVERTING MEANS AND OUT COUPLING MEANS

SIGNIFY HOLDING B.V., Ei...

1. A light emitting device comprising:a plurality of first light sources adapted for, in operation, emitting first light with a first spectral distribution, the first light sources being arranged on a base,
a first light guide comprising a first surface, the first light guide being adapted for receiving the first light with the first spectral distribution at an input region of the first surface, converting at least a part of the first light with the first spectral distribution to second light with a second spectral distribution, and guiding the second light to an exit region of the first surface different from the input region, and
a first light out-coupling element for coupling light out of the first surface and through a central opening of the base, the first light out-coupling element being arranged in or on the exit region of the first surface,
wherein the first light out-coupling element is arranged in or on the first surface at a center portion of the first surface.

US Pat. No. 10,454,382

HALF BRIDGE RESONANT CONVERTERS, CIRCUITS USING THEM, AND CORRESPONDING CONTROL METHODS

SIGNIFY HOLDING B.V., Ei...

1. A half bridge resonant converter, comprising:a pair of DC voltage lines arranged to provide a bus voltage, wherein the pair of DC voltage lines comprises a high voltage line and a low voltage line;
a half bridge inverter in series between the high voltage line and the low voltage line, wherein the half bridge inverter comprises a high side switch and a low side switch, wherein an output of the half bridge inverter is defined from a switch node between the high side switch and the low side switch;
a resonant circuit coupled to the output of the half bridge inverter;
a first control circuit for generating a first gate drive signal for controlling switching of the high side switch, wherein the first control circuit is arranged to control a duty cycle of the high side switch by increasing an on-time of the high side switch if an average switch node voltage is lower than a fraction of the bus voltage and by decreasing the on-time of the high side switch if the average switch node voltage is higher than the fraction of the bus voltage; and
a second control circuit for generating a second gate drive signal for controlling switching of the low side switch in dependence on an electrical feedback parameter.

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. 10,360,016

UPGRADING A LIGHT SOURCE

SIGNIFY HOLDING B.V., Ei...

1. A method comprising:providing a light source in the form of a luminaire or a lamp operable to emit light into an environment, the light source being activated and being operable to emit said light at a time at which the light source is deployed into said environment to enable said light to be controlled via a first communication channel, but having a capability for said light to be controlled via a second communication channel being electronically deactivated at said time due to inaccessibility by the light source to first data;
after said time of deployment of the light source into said environment, receiving a request to upgrade the light source; and
in response to said request to upgrade the light source, sending activation data to the light source or to a user of the light source and rendering said first data accessible to the light source, thereby enabling said capability for said light to be controlled via the second communication channel to be electronically activated,
wherein said activation data comprises an electronic security key, enabling said capability for said light to be unlocked on the light source, and
wherein a security key is also required for unlocking the first communication channel to enable said light to be controlled via the first communication channel, but the security key for unlocking the first communication channel is provided to the light source or the user of the light source prior to said deployment of the light source into said environment or at said time of deployment of the light source into said environment.

US Pat. No. 10,362,662

LIGHTING SYSTEM AND METHOD FOR OPERATING A LIGHTING SYSTEM

SIGNIFY HOLDING B.V., Ei...

1. A lighting system comprising:a lighting unit which provides an output beam of light;
a controller operable to supply control commands to the lighting unit and operable to receive lighting design data including abstract atmosphere definitions;
the controller operable to supply an identification tag in data within the control commands, the identification tag dependent upon the lighting design data wherein the control commands received by the lighting unit are generated to configure the output beam of the lighting unit to emit a detectable signal corresponding to the identification tag such that the output beam of light includes the identification tag at least partly independent of the lighting unit and related to the lighting design data;
the identification tag included within the output beam as a modulated signal and including at least one of a lighting designer and an owner;
wherein the modulation is amplitude modulation at a frequency over 100 Hz;
at least one detector, arranged to detect the modulated signal in the output beam and to provide information on the signal to the controller, wherein the controller is operable to compare the signal with the identification tag.

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. 10,353,562

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. 10,542,591

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. 10,542,597

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. 10,542,598

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. 10,542,599

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. 10,539,788

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. 10,542,611

LIGHTING CONTROL

SIGNIFY HOLDING B.V., Ei...

1. A method of controlling a lighting system comprising a first plurality of luminaires located in a first environment and a second plurality of luminaires located in a second environment, the method comprising steps of:receiving a first user input pattern at a first light switch of the lighting system operatively coupled to the first plurality of luminaires;
determining at least one parameter of a lighting scene, being rendered by the first plurality of luminaires, when the first user input pattern is received;
storing an indication of the first user input pattern in association with the determined at least one parameter;
receiving a second user input pattern at a second light switch of the lighting system, operatively coupled to the second plurality of luminaires;
comparing the received second user input pattern with the stored indication of the first user input pattern to determine if the second user input pattern matches the first user input pattern;
if the second user input pattern is determined to match the first user input pattern, controlling the second plurality of luminaires to render a matching lighting scene using the at least one parameter.

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. 10,539,296

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. 10,541,752

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. 10,539,730

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. 10,539,994

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. 10,534,370

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. 10,527,201

CABLE ANCHOR

SIGNIFY HOLDING B.V., Ei...

1. A method for attaching a cable to a sheet, comprising:mounting a second clamp portion to a first side of a sheet, so that a second cable receiving portion protrudes through the sheet to receive the cable at a second side of the sheet opposite to the first side;
positioning the cable in the second cable receiving portion; and
positioning the first clamp portion with the first cable receiving portion over the cable so that the cable is between the first and second cable receiving portions thus sandwiching the cable and the sheet between the first and second clamp portions;
securing the first and second clamping portions to each other so that the first and second cable receiving portions co-operate to retain the cable; and
wherein the step of attaching the second clamp portion to the sheet comprises aligning at least one laterally extending bar of the second cable receiving portion with an aperture in the sheet.

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. 10,529,094

COLOR PICKER

SIGNIFY HOLDING B.V., Ei...

1. A user terminal comprising:a communications interface for communicating with a lighting system comprising one or more luminaires for illuminating an environment;
a user interface comprising a screen, the user interface being configured to output a displayed image to a user of the user terminal on said screen, and to allow the user to select a region from amongst a plurality of regions in the displayed image each having a respective color; and
a controller configured to control one or more of the luminaires of the lighting system, via said communications interface, to emit illumination for rendering the color of the region selected by the user from the displayed image;
wherein the controller is configured to determine the displayed image based on a source image, the displayed image being a modification of the source image modified to account for an insusceptibility of one or more colors in the source image to be rendered through said illumination, and
wherein the communications interface is configured to receive an indication of the insusceptibility of said one or more colors to being rendered from the lighting system, and the controller is configured to determine the displayed image to account for said insusceptibility as indicated by the lighting system via the communications interface.

US Pat. No. 10,531,529

DRIVER AND METHOD FOR DRIVING AT LEAST TWO SETS OF SOLID STATE LIGHTING ELEMENTS

SIGNIFY HOLDING B.V., Ei...

1. A driver for driving at least two sets of solid state lighting elements, comprising:a switched capacitor power converter comprising a bank of capacitors and a switch array, an output being defined from the switch array;
a switch arrangement for selectively:
connecting a first set and a second set of solid state lighting elements in series connection at the output; or
connecting the first set of solid state lighting elements at the output without the second set of solid state lighting elements; and
a controller for providing first duty cycle control of the switched capacitor power converter and second duty cycle control of the switch arrangement, the controller including a light intensity input adapted to receive a desired light intensity and a light color input adapted to receive a desired light color;
wherein the controller determines a first average current though the first set of solid state lighting elements and a second average current through the second set of solid state lighting elements according to the received desired light intensity and desired light color, and controls the first duty cycle in dependence on the first average current, and controls the second duty cycle in dependence on the second average current and the first average current.

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. 10,514,152

HIGHLY EFFICIENT MOLECULES SHOWING RESONANT ENERGY TRANSFER

SIGNIFY HOLDING B.V., Ei...

1. A lighting device comprising a light source configured to provide light source light having a blue light component and a light converter configured to convert at least part of the light source light into converter light, wherein the light converter comprises a polymeric matrix with a luminescent material,wherein the luminescent material comprises an organic luminescent molecule comprising a first group able to absorb at least part of the blue light component, and a second group able to emit luminescent molecule light having a red light component,
wherein the organic luminescent molecule further comprises a bulky group, wherein the bulky group comprises a ternary or quaternary carbon, and wherein the bulky group is arranged between the first group and the second group,
wherein the first group is configured to transfer at least part of the energy acquired by the absorption of said at least part of the blue light component to the second group for generation of said luminescent molecule light having a red light component, and wherein the second group comprises a group based on:
or a derivative thereof.

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. 10,501,342

UV-C WATER PURIFICATION DEVICE

SIGNIFY HOLDING B.V., Ei...

1. A UV-C water purification device, comprising:one or more UV-C LED modules for administering UV-C light to a body of water, each module comprising:
one or more UV-C LED dies, each die having a bottom surface and a top surface, and
one or more UV-C-translucent window elements,
wherein each of the UV-C LED dies is at least partly embedded in a UV-C-translucent window element, and wherein each of the UV-C LED dies is solidly coupled against an associated UV-C-translucent window element, such that at least one of the bottom or top surfaces of the UV-C die is in optical communication with the associated UV-C-translucent window element, and wherein the one or more UV-C-translucent window elements comprise electrical tracks for delivering current to one or more terminals of the one or more UV-C LED dies, and wherein the one or more UV-C-translucent window elements is for transferring heat from the one or more UV-C LED dies,
wherein the UV-C water purification device further comprises a sealing layer disposed over either the top or bottom surface of the or each UV-C LED die, the sealing being UV-C light reflective.

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. 10,356,869

APPARATUS AND METHODS FOR EXTERNAL PROGRAMMING OF PROCESSOR OF LED DRIVER

SIGNIFY HOLDING B.V., Ei...

1. A method of programming a processor of a LED driver, comprising:directing, in a normal operation mode, a first control input of said LED driver to a first processor input of said processor and a second control input of said LED driver to a second processor input of said processor;
receiving a programming signal;
entering a programming mode in response to said programming signal; and
directing, in said programming mode, said first control input to a third processor input of said processor and said second control input to a fourth processor input of said processor, wherein said third processor input and said fourth processor input are programming inputs,
wherein entering the programming mode comprises supplying stored energy from a capacitor to a switching device electrically coupled to a selector output of said processor.

US Pat. No. 10,356,870

CONTROLLER FOR CONTROLLING A LIGHT SOURCE AND METHOD THEREOF

SIGNIFY HOLDING B.V., Ei...

1. A controller for controlling a light source, the controller comprising: a communication unit for communicating with the light source, an input unit for receiving a first input indicative of a selection of a first color in a first image, and for receiving a second input indicative of a selection of a second color in a second image, wherein the first and second input are from a user or a device; and a processor for morphing the first image into the second image after the first and second input have been received, whereby at least one intermediate image in between the first image and the second image is generated, the at least one intermediate image being a mixture of the first image and the second image, and for determining at least one intermediate color based on color information of the at least one intermediate image, and for controlling the light output of the light source according to the first color, the at least one intermediate color and the second color sequentially over a period of time, by communicating the first color, the at least one intermediate color and the second color to the light source to create a dynamic light effect by selecting the first color and the second color in the first and second images.

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. 10,356,880

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. 10,356,885

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. 10,352,541

INTEGRATED SMART MODULE ARCHITECTURE

SIGNIFY HOLDING B.V., Ei...

1. A lighting assembly comprising:a substrate comprising a first side, a second side and an opening, wherein the second side of the substrate is an exterior surface of the lighting assembly;
a plurality of electronic components disposed on the first side of the substrate, the plurality of electronic components comprising a transistor;
a light emitting element attached to the first side of the substrate and positioned within the opening of the substrate; and
an antenna disposed on the second surface of the substrate.

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.