US Pat. No. 10,485,082

METHOD OF PROTECTING AND DETECTING A SURGE EVENT IN A NODE

CURRENT LIGHTING SOLUTION...

1. A controller for use with a luminaire, comprising:a surge detection circuit configured to sense a surge in voltage or current;
a relay control circuit configured to repeatedly switch a relay in response to the surge detection circuit having sensed the surge in voltage or current;
the controller including a first circuitry configured to measure at least one electrical parameter of the surge, and a second circuitry configured to transmit the at least one electric parameter of the surge to a remote device; and
the second circuitry configured to send a signal after the surge is sensed to a direct current (DC) converter circuit to shut down an alternating current output voltage supply internal to the DC converter circuit.

US Pat. No. 10,305,275

DATA INTERFACE WITH OVERVOLTAGE PROTECTION FOR TWO-WAY DIGITAL CONTROL BUS SYSTEM

CURRENT LIGHTING SOLUTION...

1. A data interface with overvoltage protection circuitry, the data interface comprising:a bus interface and power rectification stage configured to provide supply and return voltages for the data interface and overvoltage protection circuitry;
a first power level overvoltage protection circuit configured to provide protection from high-current overvoltages on the DALI bus;
a second power level overvoltage protection circuit configured to provide protection from overvoltage conditions caused by power main voltages present on the DALI bus;
the first power level overvoltage protection circuit in parallel connection with the second power level overvoltage protection circuit across lines for the supply and return voltage;
a digital addressable lighting interface (DALI) endpoint power output port;
a power supply for a DALI endpoint device drawing current from the power output port;
a receiver configured to receive signals on the DALI bus; and
a transmitter configured to send signals on the DALI bus.

US Pat. No. 10,447,071

BACKUP POWER SOURCE ASSEMBLY, LAMP ASSEMBLY, LIGHTING SYSTEM AND INSTALLING METHOD THEREOF

CURRENT LIGHTING SOLUTION...

1. A lighting assembly, comprising:a lighting element for providing with light source;
a driving element, connecting with a backup power source assembly, for controlling the backup power source to provide power source to the lighting element;
at least one electrical connector configured to connect with the first driving element so as to form a quick connection between the driving element and a backup power source assembly;
a mounting base having a pre-drilled hole for allowing a testing switch to pass through therein.

US Pat. No. 10,334,179

ASSEMBLY AND METHOD FOR GLARE ELIMINATION

CURRENT LIGHTING SOLUTION...

1. An outdoor light fixture assembly, comprising:a roadway light fixture comprising an LED light source thereon;
an image capturing device mounted with the assembly; and
a shield of opaque or diffusive material provided between the light source and a working optical surface of the image capturing device for creating a shadow;
the image capturing device being at least partially covered by a housing,
wherein the housing has a window within a field of view of the image capturing device, at least a portion of the window serving as the working optical surface of the image capturing device, and
wherein at least a portion of the window is located within a shadow of direct light from the light source.

US Pat. No. 10,440,798

LED LAMP AND TEMPERATURE CONTROL CIRCUIT APPLIED THERETO

CURRENT LIGHTING SOLUTION...

1. A LED lamp, comprising:at least one LED unit; a magnetic ballast, coupled to a power and configured to transfer a received first alternating current to a first direct current; and
a LED drive circuit, comprising a temperature control circuit coupled to the magnetic ballast and in parallel with the LED unit, configured to detect an internal temperature of the LED lamp and adjust an output power of the LED unit, wherein, the temperature control circuit comprises:
a thermal sensitive module, comprising a negative temperature coefficient thermistor; and
a phase cut circuit coupled to the thermal sensitive module, wherein when the internal temperature of the LED lamp detected by the thermal sensitive module is higher than a temperature threshold, a resistance of the negative temperature coefficient thermistor is decreased to adjust the output power of the LED unit, wherein the phase cut circuit is configured to cut off a portion of a half cycle of an output voltage of the LED unit when the internal temperature of the LED lamp is higher than the temperature threshold.

US Pat. No. 10,408,394

LED RETROFIT LIGHTING APPARATUS FOR A LIGHT FIXTURE

CURRENT LIGHTING SOLUTION...

1. A light-emitting diode retrofit lighting apparatus for an existing light fixture comprising more than one lamp holders, the apparatus comprising:a base portion to be mounted to the light fixture;
a light-emitting diode mounting part connected with the base portion and including LED lighting sources mounted thereon;
an adjustment portion secured to the base portion and configured to adjust the apparatus in a vertical direction;
at least one sliding mechanism mounted on and configured to slide along the adjustment portion to adjust the apparatus in a horizontal direction relative to the more than one lamp holders;
the at least one sliding mechanism is received within the adjustment portion, and configured to perform width adjustment relative to the more than one lamp holders;
the at least one sliding mechanism including:
a plurality of rib portions configured to engage with teeth portions of the adjustment portion;
a plurality of locking hook portions to overlap and hook to side surfaces of the adjustment portion to secure the at least one sliding mechanism to the adjustment portion; and
a spring part configured to be compressed and uncompressed to adjust the at least one sliding mechanism horizontally along the teeth portions of the adjustment portion based on a compression state thereof.

US Pat. No. 10,375,796

WAVEFORM SHAPING CIRCUIT FOR SPURIOUS HARMONIC SUPPRESSION

CURRENT LIGHTING SOLUTION...

1. A waveform shaping circuit for a lighting system that includes a lighting control unit and at least one luminaire, and a data concentrator unit (DCU) in wireless communication with the lighting control unit,the waveform shaping circuit external to the lighting control unit and in serial electrical communication with input terminals of the lighting control unit;
the waveform shaping circuit comprising:
a line voltage input connectable to a line voltage power source;
a line voltage output, the line voltage output connectable to an input voltage port of the lighting control unit;
a neutral line input connectable to a neutral line of the line voltage power source;
the waveform shaping circuit including an impedance matching network configured to alter an input impedance of the lighting control circuit; and
the waveform shaping circuit including a capacitive element connected from the neutral line to a protected earth ground, the capacitive element configured to bypass spurious harmonics generated by operation of the lighting control unit.

US Pat. No. 10,371,371

VENTILATION KIT AND RECESSED LIGHT FIXTURE ASSEMBLY WITH VENTILATION

CURRENT LIGHTING SOLUTION...

1. A ventilation kit adapted to be coupled to a recessed light fixture, the recessed light fixture having a housing and at least one edge extending from a lower portion of said housing, the ventilation kit comprising at least one supporting member, the supporting member comprising:a first portion being adapted to be coupled to the at least one edge of the recessed light fixture;
a second portion being adapted to be coupled to a grid system of a ceiling; and
at least one through hole for fluid flow,
wherein the first portion of the supporting member comprises at least one protrusion for clamping the at least one edge of the recessed light fixture through bending the at least one protrusion.

US Pat. No. 10,499,468

METHOD FOR STEP DIMMING

CURRENT LIGHTING SOLUTION...

1. A control circuit for a step dimming circuit, comprising:a first line power lead;
a second line power lead;
a first relay pole, powered by the first line power lead, for switching power from the first and second line power leads to a power supply line;
a second relay pole powered by the first line power lead and connected to a first control lead;
a third relay pole powered by the second line power lead and connected to a second control lead and connected to the second relay pole,
wherein the second and third relay poles are configured to connect the first and second control leads together when only one of the second and third relay poles are powered, and
wherein the second and third relay poles are configured to disconnect the first and second control leads when both of the second and third relay poles are powered.

US Pat. No. 10,415,802

LINEAR LIGHTING FIXTURE CONNECTION

CURRENT LIGHTING SOLUTION...

1. A linear lighting fixture abutment mechanism comprising:a first portion mounted on a longitudinal wall of a first lighting fixture housing, the first portion including a first structure, the first lighting fixture housing including a lateral edge;
a second portion mounted on a longitudinal wall of a second lighting fixture housing, the second portion including a second structure, the second lighting fixture housing including a lateral edge;
the first portion and the second portion located at a position proximate to the lateral edge of respective first and second lighting fixture housings;
the first structure and the second structure configured to interlock together to retain the lateral edges of the first and the second lighting fixture housings in rigid proximity; and
the abutment mechanism configured to generate opposing longitudinal forces on the first and the second lighting fixture housings, the opposing longitudinal forces generated by a force that is at least one of movement along a lateral axis of the first or the second lighting fixture housings and a movement about the lateral axis.

US Pat. No. 10,502,403

INTEGRATED CARDAN MECHANISM FOR ADJUSTABLE LUMINAIRES

CURRENT LIGHTING SOLUTION...

8. A rotatable luminaire comprising:a luminaire housing;
a cardan mechanism rotatably connected to the luminaire housing; and
a light source housing rotatably connected to the cardan mechanism;
wherein the cardan mechanism comprises:
a generally circular ring having a first inward connector having a through hole and extending inwardly a predetermined distance from the generally circular ring along a first axis;
a second inward connector of the generally circular ring having a through hole and extending inwardly a predetermined distance from the generally circular ring along the first axis opposite the first inward connector;
a first outward connector of the generally circular ring comprising a through hole and a first tab and extending outwardly a predetermined distance from the generally circular ring along a second axis; and
a second outward connector of the generally circular ring comprising a second through hole and a tab and extending outwardly a predetermined distance from the generally circular ring along the second axis opposite the first outward connector; and
wherein the light source housing comprises:
first and second holes positioned for accepting a first fastener inserted through the through hole of the first inward connecter of the generally circular ring and a second fastener inserted through the through hole of the second inward connector of the generally circular ring.

US Pat. No. 10,505,630

DETERMINING POSITION VIA MULTIPLE CAMERAS AND VLC TECHNOLOGY

CURRENT LIGHTING SOLUTION...

1. A position determination system, comprising:a mobile device comprising at least two transducers each mounted to an adjustable carrier, wherein each transducer is operably connected to at least one single board processor; and
a plurality of markers, each associated with a position of an area of interest, the plurality of markers at least one of: operable to transmit signals recognizable by the at least two transducers, and comprising at least one feature recognizable by the at least two transducers.

US Pat. No. 10,562,552

SYSTEM FOR RAILWAY MONITORING

CURRENT LIGHTING SOLUTION...

1. A system for monitoring a grade crossing of a railway, the system comprising: a sensor disposed on or within a first signage apparatus of the railway, the sensor having a sensing area covering a portion of the grade crossing;a first processor communicatively coupled to the sensor, wherein the processor is configured to receive data originating from the sensor and transmit said data to an analytics module communicatively coupled to the system;
a second processor co-located with a second signage apparatus adjacent to the first signage apparatus;
a memory including instructions that, when executed by the first processor, cause the first processor to perform operations including:
determining from the data whether a predetermined condition has been met, wherein the determining includes performing image analytics on the data; and
in response to the predetermined condition having been met, instructing a railway system communicatively coupled to the system to take a remedial action.

US Pat. No. 10,429,046

LIGHTING DEVICE

CURRENT LIGHTING SOLUTION...

1. A lighting device, comprising:a housing with one or more first housing spaces and one or more second housing spaces therein;
one or more first lighting modules arranged inside the one or more first housing spaces respectively; and
one or more first auxiliary functional modules arranged inside the one or more second housing spaces respectively, wherein one or more of the first auxiliary functional modules comprise a communication module, a sensor module or a camera module;
wherein each of the one or more first lighting modules and the one or more first auxiliary functional modules are configured as modules of the same size and configured to be able to be mounted in the respective housing space in the same mounting manner.

US Pat. No. 10,563,121

RED-EMITTING PHOSPHORS AND ASSOCIATED DEVICES

CURRENT LIGHTING SOLUTION...

1. A method comprising:obtaining particles of a phosphor precursor of formula Ax[MFy]:Mn4+,
wherein A includes one or more of lithium (Li), sodium (Na), potassium (K), rubidium (Rb), or cesium (Cs), wherein M includes one or more of silicon (Si), germanium (Ge), tin (Sn), titanium (Ti), zirconium (Zr), aluminum (Al), gallium (Ga), indium (In), scandium (Sc), hafnium (Hf), yttrium (Y), lanthanum (La), niobium (Nb), tantalum (Ta), bismuth (Bi), or gadolinium (Gd), wherein x has a value of an absolute value of a charge on an ion of [MFy], and wherein y has a value of at least five and no greater than seven;
reducing sizes of the particles of the phosphor precursor by wet milling the particles, wherein reducing the sizes of the particles includes milling the particles in a solution that includes HF; and thereafter followed by a step of,
annealing the particles that are wet milled by contacting the particles with a fluorine-containing oxidizing agent, thereby providing manganese doped complex fluoride phosphor.

US Pat. No. 10,393,329

LIGHT FIXTURE MECHANICAL INTERCONNECT WITH ROTATIVE JOINING

CURRENT LIGHTING SOLUTION...

1. A light fixture, comprising:a mechanism for attaching the light fixture to another light fixture,
wherein the mechanism includes a set of retractable hooks configured to mate with an end of the other light fixture to attach the light fixture to the other light fixture;
wherein the set of retractable hooks is configured to temporarily position the light fixture in a vertical position with respect to the other light fixture, and wherein the mechanism is further configured to allow the light fixture to rotate to a horizontal position from the vertical position.

US Pat. No. 10,488,021

LIGHTING SYSTEM WITH MODULAR HEAT MANAGEMENT APPARATUS

CURRENT LIGHTING SOLUTION...

1. A modular heat management apparatus for an outdoor lighting system, the system including a plurality of lighting elements, the modular heat management apparatus comprising:a housing comprising:
an interface portion disposed at a top surface of the housing;
an attachable heat sink to be disposed and mounted onto the interface portion, wherein the interface portion is formed of a thermal conductive material higher in thermal conductivity than that of the housing, and
configured to dissipate heat generated by the outdoor lighting system; and
a fixing element configured to attach the attachable heat sink to the interface portion and to apply contact pressure thereto.

US Pat. No. 10,443,820

PLASTIC LED FIXTURE HOUSING WITH OUTER FRAME

CURRENT LIGHTING SOLUTION...

1. A lighting apparatus comprising:a polymeric housing enclosing electrical and optical components of a lighting fixture, the polymeric housing comprising a plastic upper housing and a plastic cover plate including a peripheral sidewall that matingly cooperates with the upper housing to provide a cavity for housing the electrical and optical components therein,
wherein the optical components comprise a plurality of optical lenses, wherein the plurality of optical lenses comprise at least one optical lens configured to distribute light emitted from a solid state light source in a predetermined pattern; and
an outer frame matingly fit on top of the upper housing of the polymeric housing, the outer frame including a coupler to mechanically attach the lighting apparatus to another device, wherein the outer frame is constructed of at least one of metal, a metal alloy, and a composite material,
the outer frame further comprising a central spine bridging and connecting opposing sides of the upper housing in a lengthwise fashion.

US Pat. No. 10,402,958

SYSTEMS AND METHODS FOR WINDOW CONTAMINATION DETECTION

CURRENT LIGHTING SOLUTION...

1. A system comprising:an imaging system including a housing having a window;
an imaging device within the housing having a field of view that contains at least a portion of the window;
a dark-field illuminator source located in a dark-field region within the housing, the dark-field illuminator source directed at that portion of the window within the field of view;
a control processor in communication with the imaging device and configured to execute instructions that cause the imaging device to acquire a first series of images with the dark-field illuminator source not activated;
the control processor configured to control activation of the dark-field illuminator source;
the imaging device configured to capture additional images during acquisition of the first series of images, the additional images captured during periods when the dark-field illuminator source is activated; the system further including:
an image diagnostic unit configured to compare at least one image of the first series of images with at least one of the additional images;
the image diagnostic unit configured to determine a quality factor quantifying a degradation in image quality based on the comparison.

US Pat. No. 10,400,961

DOUBLE-SIDED LED LIGHTING DEVICE

CURRENT LIGHTING SOLUTION...

1. A lighting device, comprising:an elongated support member comprising first and second sides;
first and second printed circuit boards (PCBs) coupled to the first and second sides of the elongated support member, respectively, wherein the first and second sides of the elongated support member are opposite to each other;
at least one first light emitting diode (LED) mounted on the first PCB;
at least one second LED mounted on the second PCB; and
at least one lens element, the at least one lens element comprising more than one lens, the lens element mounted on the first or second PCB at a location such that each lens of the lens element substantially surrounds a respective one of the LEDs.

US Pat. No. 10,488,069

GENERATION OF COORDINATED CONTROL COMMANDS FOR GROUPINGS OF HEATING/VENTILATION/COOLING THERMOSTATS

CURRENT LIGHTING SOLUTION...

1. A method of generating control commands to coordinate roof top unit (RTU) operation across a segment of a building, the method comprising:a server (120) selecting a first segment (106, 108) from a plurality of building segments, each building segment being a volumetric portion of the building, and the server located remote from the building;
accessing a first model algorithm (134) corresponding to the first segment;
training the first model by applying at least one of historical data (133), segment layout records (138), and heating/ventilation/cooling (HVC) configuration (136), the segment layout data, and the HVC configuration each containing data corresponding to the first segment;
pushing the trained first model to a wireless area controller edge device (114), the wireless area controller edge device being in communication with one or more thermostats positioned in the first segment;
optimizing the trained first model using aggregated monitored data, the monitored data provided by sensors (110, 112) distributed in the first segment;
generating control commands to coordinate the operation of the one or more thermostats (110) in the first segment;
providing the generated control commands to the one or more thermostats in the first segment;
receiving monitored data (139) from first segment sensors;
aggregating the received monitored data; and
the wireless area controller edge device performing at least one of an optimization and an update to the first model with the aggregated received data.

US Pat. No. 10,436,424

LINEAR LIGHT FIXTURE INTERCONNECT WITH ANTI-SNAKING FEATURE

CURRENT LIGHTING SOLUTION...

1. A light fixture, comprising:an end portion including a mechanism configured to lock the light fixture via the end portion to another end portion disposed at one extremity of another light fixture;
the mechanism including a lever configured to lock the light fixture with the other end portion;
the lever including a first portion having a first thickness that engages a receiving component on the light fixture, and a second portion having a second thickness that engages the other end portion, the lever rotatable perpendicular to its central axis;
wherein a rotation of the lever causes the receiving portion and the other end to move in opposite longitudinal directions.

US Pat. No. 10,415,777

LIGHTING APPARATUS AND METHOD OF MAKING THEREOF

Current Lighting Solution...

1. A lighting apparatus, comprising:a transparent portion comprising a first surface, a second surface and an edge connected to the first surface and the second surface, the edge comprising an inner surface with a preset shape; and
a light source fixed so that the inner surface receives light emitted by the light source through the transparent portion and reflects it to at least one of the first surface and the second surface;wherein the preset shape of the inner surface comprises:a V-shape wherein the inner surface comprises a first reflective surface and a second reflective surface and one side of the first reflective surface is connected with one side of the second reflective surface to form a V: shape, either depressing toward the direction of the light source or protruding outwardly from the direction of the light source.

US Pat. No. 10,708,993

DRIVER AND LED LAMP COMPRISING DRIVER

CURRENT LIGHTING SOLUTION...

1. A driver for driving a load, comprising: a front-end stage, a back-end stage, and an intermediate controller, whereinthe front-end stage comprises a front-end main circuit and a front-end controller, and is configured to rectify an AC input voltage from an external power supply and output a DC bus voltage through output terminals;
the back-end stage comprises a buck circuit, and configured to receive the DC bus voltage from the front-end stage and output a desired DC drive voltage to the load according to an operating voltage of the load, wherein the DC bus voltage is greater than the desired DC drive voltage; and
the intermediate controller is configured to obtain a difference voltage signal indicative of an electric potential difference between the bus voltage and the drive voltage, and provide a feedback signal which is generated based on the difference voltage signal to the front-end controller, wherein the front-end controller controls the front-end main circuit based on the feedback signal to change the bus voltage with change of the drive voltage.

US Pat. No. 10,557,617

AUTO ALIGNING MODULE FOR LIGHTING APPLICATION

CURRENT LIGHTING SOLUTION...

1. A lighting system, comprising:a housing defining an interior space within the housing;
a LED system mounted in the interior space of the housing; and
an alignment module positioned in the interior space of the housing to support the LED system at least at a base for an incandescent bulb, the alignment module being composed of a material having a dampening characteristic to dampen vibration of the LED system in the interior space, and connected to the LED system to maintain the LED system in a static position in the housing to automatically align a focal point of the LED system.

US Pat. No. 10,380,430

USER INTERFACES FOR PARKING ZONE CREATION

Current Lighting Solution...

1. A system comprising:one or more processor of a machine;
a data store storing a plurality of parking zone data objects;
a machine-readable medium storing instructions that, when executed by the one or more processors, cause the machine to perform operations comprising:
displaying a parking zone creation user interface on a client device communicatively coupled to the machine, the parking zone creation user interface including data input elements for receiving information describing a parking zone including at least one parking space;
receiving, via the parking zone creation user interface, location data identifying a geospatial area on a geospatial map;
creating a new parking zone data object corresponding to the geospatial area identified on the geospatial map, the new parking zone data object including the location data;
receiving, via the parking zone creation interface, a parking policy defining one or more parking rules associated with the newly created parking zone;
modifying the newly created parking zone data object to include the parking policy; and
persisting the newly created parking zone data object to the data store.

US Pat. No. 10,636,003

SYSTEM AND METHOD FOR NONINTRUSIVE COMMISSIONING OF ELEMENTS TO AN INDOOR POSITIONING SYSTEM

CURRENT LIGHTING SOLUTION...

1. A system for commissioning a smart luminaire (122A, 122B) in an indoor positioning system (100), the system comprising:a mobile device (110) including a mobile device control processor (112) in communication with a commissioning application (117);
the commissioning application configured to communicate with one or more position beacons (120A, 120B) distributed throughout a spatial volume of a structure;
the one or more position beacons configured to broadcast a unique identifier within the spatial volume via a wireless communication protocol, and to receive a transmission from the mobile device;
a wireless transceiver (118) in the mobile device configured to receive the broadcasted positions, and to transmit data to the one or more position beacons;
the commissioning application configured to authenticate itself to the position beacon, and to programmatically change the unique identifier;
the commissioning application configured to identify a location of a non-commissioned smart luminaire having a position unknown to the indoor positioning system, the non-commissioned smart luminaire location based on a proximity to a known position of the mobile device;
the commissioning application configured to link a codeword broadcast by the smart luminaire to a position on an internal map of the structure viewable on a display of the mobile device; and
based on a determination that the broadcasted codeword is inadequate, the commissioning application configured to provide a valid encryption key to the smart luminaire via a secure transmission.

US Pat. No. 10,508,776

ANTI-DETACHMENT CAPPER FOR LED RETROFIT LAMPS

CURRENT LIGHTING SOLUTION...

1. A capper component for an illuminating lamp, comprising a first portion formed of a first material and a second portion formed of a second material different from the first material, the second portion in contact with the first portion, the first portion configured to threadedly engage within a standard threaded metal base component of the illuminating lamp, wherein the second portion is formed by a forming process on an inner surface of the first portion and an outer surface of the first portion, said second portion touching said inner surface of the first portion and said outer surface of the first portion.

US Pat. No. 10,359,158

LIGHTING SELECTION SYSTEM AND METHOD

CURRENT LIGHTING SOLUTION...

1. A method for forming a light device, the method comprising:measuring individualized characteristic data for each of plural light emitting devices with one or more sensors;
receiving the individualized characteristic data for each of plural light emitting devices from the one or more sensors;
determining a difference between a value of the characteristic data and a designated target value for each of the light emitting devices by one or more microprocessors;
grouping the light emitting devices into different groups based on the determined differences between the values of the characteristic data and the designated target value by the one or more microprocessors, the differences of the light emitting devices in a common group of the different groups being closer to the designated target value than the differences of the light emitting devices in other groups of the different groups to the designated target value;
generating a control signal by the one or more microprocessors to an automated system to select at least one of the different groups of the light emitting devices for inclusion in a light device; and
including, based on the determined grouping of the light emitting devices into the different groups, the light emitting devices from the selected group in the light device.

US Pat. No. 10,638,566

LED DRIVER AND LED LAMP USING THE SAME

CURRENT LIGHTING SOLUTION...

1. An LED driver, comprising:a main circuit comprising a front-end stage configured to receive an AC input voltage and output a DC bus voltage, and a back-end stage; and
a controller configured to receive a dimming signal, via an external source, for dimming an LED load and use a current hysteresis control in accordance with the dimming signal to generate a control signal, wherein the back-end stage is configured to receive the DC bus voltage and responsive to the control signal, output a desired drive current through output terminals to the LED load so as to produce a target illumination intensity;
wherein a hysteresis width of the current hysteresis control varies with the dimming signal such that one of:
an average value of an inductor current gradually reduces and a difference between the peak-to-peak values of the inductor current gradually decreases, or
an average value of the inductor current gradually reduces as the dimming signal is reduced, and a difference between peak-to-peak values of the inductor current changes stepwise as the hysteresis width changes.

US Pat. No. 10,527,266

LIGHTING SYSTEM

CURRENT LIGHTING SOLUTION...

1. A lighting system (1, 1?), comprising:at least two lighting modules (10), each lighting modules having a plurality of light emitting elements (11) which are electrically coupled to one another; and
a suspension assembly (20), configured for longitudinally attaching to the at least two lighting modules (10) to be arranged as two lighting modules adjacent to each other, the suspension assembly (20) comprising:
a first section (21, 21?) configured for attaching to one of the two adjacent lighting modules;
the first section (21) including a plurality of backstop elements (211) along the length of the first section (21); and
a second section (22, 22?) configured for attaching to the other one of the two adjacent lighting modules;
wherein the first section (21, 21?) and the second section (22, 22?) are mechanically connected for adjusting a longitudinal distance (D) between the two adjacent lighting modules.

US Pat. No. 10,612,753

ROADWAY FIXTURE SYSTEMS WITH INTEGRATED TRANSCEIVING EQUIPMENT

Current Lighting Solution...

1. A method comprising:removing an access door in an outer housing of a lighting fixture having one or more lighting devices, the access door providing access into an interior of the outer housing; and
coupling a mounting plate of a radio frequency (RF) transceiver with the outer housing of the lighting fixture in a location from which the access door of the outer housing was removed, the RF transceiver configured to send and receive cellular communications.

US Pat. No. 10,638,584

SYSTEM AND METHOD FOR COMMUNICATING BETWEEN NON-NETWORKED MONITORING DEVICE AND NETWORKED LIGHTING CONTROLLERS

CURRENT LIGHTING SOLUTION...

1. A method comprising:detecting an event at a monitoring assembly;
broadcasting a detection message from the monitoring assembly using a first communication protocol;
receiving the detection message at two or more nodes, the two or more nodes in a network formed using a second communication protocol different from the first communication protocol, wherein the network is a mesh network and the monitoring assembly is outside of the mesh network;
arbitrating which of the two or more nodes in the network is a commander node among the two or more nodes in the network; and
communicating the detection message or another message representative of the event from the commander node to other nodes in the network responsive to arbitrating which of the two or more nodes is the commander node;
wherein the detection message is wirelessly broadcasted in a message format that differs from a message format used for communication among the nodes in the network.

US Pat. No. 10,571,094

MOVABLE TRAY FOR A SUSPENDED LIGHT FIXTURE

CURRENT LIGHTING SOLUTION...

1. A system comprising:a reflector of a suspension lighting fixture, the reflector having a reflective underside and a top side;
at least three ribs affixed to the top side of the reflector, the at least three ribs operate to maintain a shape of the reflector; and
a tray base attached between two adjacent ribs of the at least three ribs;
wherein the tray base further comprises a first attachment feature and each of the at least three ribs further comprises a second attachment feature, wherein the first attachment feature and the second attachment feature operate to attach the tray base to the reflector between any two adjacent ribs of the at least three ribs;
and wherein the first attachment feature is at least one of a bracket opening and a fastener opening and the second attachment feature is at least one of a bracket and a fastener opening corresponding to the fastener opening of the first attachment feature.

US Pat. No. 10,615,316

MANGANESE-DOPED PHOSPHOR MATERIALS FOR HIGH POWER DENSITY APPLICATIONS

CURRENT LIGHTING SOLUTION...

1. A lighting apparatus comprising:a semiconductor light source capable of producing blue light of high power density, the semiconductor light source radiationally coupled to a phosphor of formula I in a monolithic single crystal form;
Ax(M,Mn)Fy   (I)wherein A is Li, Na, K, Rb, Cs, or a combination thereof, M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof, x is an absolute value of a charge of an [MFy] ion; and y is 5, 6, or 7.
US Pat. No. 10,600,604

PHOSPHOR COMPOSITIONS AND LIGHTING APPARATUS THEREOF

CURRENT LIGHTING SOLUTION...

1. A phosphor composition comprising a solid solution of aluminum nitride and a complex oxide comprising europium and strontium, wherein an amount of oxygen in the solid solution is at least 0.4 weight percent and less than 1 weight percent.

US Pat. No. 10,587,080

CONNECTOR, CONNECTOR ASSEMBLY AND LIGHTING SYSTEM

CURRENT LIGHTING SOLUTION...

1. A connector configured to be assembled on a first illumination element and to be releasably coupled to a mating connector on a second illumination element, the connector comprising:a connection element comprising a conductor, the conductor comprising a first end coupled to a cable extending through the connection element, and a second end releasably connected to an end of a mating conductor of the mating connector;
a mounting member configured to secure the connection element to the first illumination element, wherein, a first gap is defined between an internal surface of the mounting member and the external surface of the connection element;
a first sealing element coupled to the mounting member and the connection element, and configured to seal the first gap around a first longitudinal end of the mounting member;
a second sealing element coupled to the mounting member and the cable, and configured to seal a second gap between a second longitudinal end of the mounting member and the cable; and
wherein an inner cavity is formed among the mounting member, the connection element, the first sealing element and the second sealing element, and at least a part of the cable is accommodated in the inner cavity.

US Pat. No. 10,591,152

LED LAMP

CURRENT LIGHTING SOLUTION...

1. A light emitting diode (LED) lamp, comprising:a base configured to electrically connect with an external power supply;
at least one first printed circuit board (PCB), with at least one LED mounted thereon;
a driver module, electrically connected to the base and the first PCB, and configured to drive the LED;
a heat dissipation module, thermally contacted with the first PCB, and configured to dissipate heat generated from the LED;
a connecting device, connected to the heat dissipation module; and
a replaceable active cooling module, detachably connected to the connecting device, and configured to generate a cooling fluid for cooling at least one of the PCB and the heat dissipation module; and
wherein the replaceable active cooling module comprises:
at least one active cooling device configured to generate a cooling fluid for cooling at least one of the PCB and the heat dissipation module; and
a cover configured to accommodate the at least one active cooling device, the cover configured to rotatably disengage the connecting device to facilitate detachment of the replaceable active cooling module from the connecting device,
wherein the at least one active cooling device is mounted to the cover, and wherein the rotatable disengagement of the cover from the connecting device causes the replaceable active cooling module to disengage from the connecting device.

US Pat. No. 10,631,088

PROCESSING OF SIGNALS FROM LUMINAIRE MOUNTED MICROPHONES FOR ENHANCING SENSOR CAPABILITIES

Current Lighting Solution...

1. A method for using a plurality of microphones in a sensor module of a luminaire, the method comprising: receiving, by a computing module of the sensor module, information comprising a plurality of acoustic output signals from the corresponding plurality of microphones, and any of detection directionality and location for each of the plurality of microphones; processing, by the computing module, using the received information, the plurality of acoustic output signals to: identify a desirable acoustic signal at least in one of the plurality of acoustic output signals using analysis of the received plurality of acoustic output signals, and correlate the acoustic output signals with any of the detection directionalities and locations of the plurality microphones.

US Pat. No. 10,498,081

SELF-ALIGNING CONNECTOR FOR A LIGHT FIXTURE

CURRENT LIGHTING SOLUTION...

1. A self-aligning connector assembly for a light fixture comprising:a base comprising a first alignment feature including a first fin extending from a platform and extending radially from a central post and a first electrical contact; and
a self-alignment component comprising a second alignment feature including a cavity defining a spiral angle, and a second electrical contact;
wherein when the self-alignment component is positioned over and then released onto the base, the first alignment feature mates with the second alignment feature which causes rotation of the self-alignment component about the central post under the force of gravity, resulting in operably connecting the first electrical contact to the second electrical contact.

US Pat. No. 10,659,300

SELF-FORMING NETWORK COMMISSIONING SYSTEM AND METHOD

CURRENT LIGHTING SOLUTION...

1. A network system comprising:node devices configured to be distributed in a structure and to self-form separate network groups; and
a control commissioner device having a system coordinator device that is configured to communicatively couple with the node devices, the system coordinator device also configured to control formation of the separate network groups of different groups of the node devices by restricting which of the node devices can communicatively couple with different local coordinator devices, the control commissioner device including an upgrade coordinator device configured to change one or more of software or firmware of one or more of the node devices by directing the one or more node devices to communicatively decouple from the corresponding local coordinator device and to communicatively couple with the upgrade coordinator device,
wherein the node devices of each of the separate network groups are configured to communicate with the local coordinator device associated with the network group.

US Pat. No. 10,660,169

DIGITAL STANDBY CONTROL OF A LIGHTING DRIVER USING PEAK DETECTION OF PULSE WIDTH MODULATED OUTPUT REFERENCE CONTROL SIGNAL

CURRENT LIGHTING SOLUTION...

1. A lighting system having a plurality of lighting elements, comprising:a power supply for supplying power;
a lighting driver comprising a microcontroller and configured to receive power from the power supply and output power to the plurality of lighting elements for operation thereof;
a control system in electrical or wireless communication with the microcontroller, and configured to communicate with the microcontroller, to control an operational mode of the plurality of lighting elements via the lighting driver, wherein the microcontroller is configured to transmit an output reference signal as a control signal; and
the lighting driver further including a peak detection circuit configured to: (i) receive the output reference signal from the microcontroller, and (ii) generate a standby control signal from the output reference signal received, to thereby operate the plurality of lighting elements in on mode or standby mode.

US Pat. No. 10,627,546

METHOD AND SYSTEM FOR LIGHTNING DETECTION

Current Lighting Solution...

1. A lighting system comprising more than one lightning detection site, each lightning detection site comprising a light source and a node, said node including:a local controller, sensors configured for detecting an electromagnetic field and additionally at least one of sound and ambient light flashes;
wherein the local controller is configured to, in response to the detecting, automatically analyze data associated with the detected electromagnetic field and the at least one of sound and ambient light flashes to correlate the data associated with the detected electromagnetic field and the at least one of the sound and the ambient light flashes to determine a probability that a lightning strike occurred and further configured to produce metadata at the local controller representative of the determined probability and the data.

US Pat. No. 10,690,324

APPARATUS FOR MOUNTING A LUMINAIRE ON A SUPPORT

CURRENT LIGHTING SOLUTION...

1. A luminaire assembly comprising a luminaire mounted on a support, wherein the support is one of a cable and a wire, the luminaire assembly comprising:a mechanism configured for mounting the luminaire on the cable or wire, wherein the mechanism includes:
a plate adapted to couple with an end of the luminaire, the plate including a port configured for passage of electrical wiring or electrical cabling,
the plate itself including a support member adapted to receive or mate with the cable or wire, wherein the support member includes a substantially hook-shaped portion defining a channel region to receive or mate with the cable or wire; and
a tensioning member adapted to couple with the support member to secure the cable or wire in the channel region of the support member, the tensioning member configured to generate a force upon the cable or wire to inhibit sliding of the substantially hook-shaped portion on the cable or wire;
wherein the luminaire is an elongated luminaire and wherein the mechanism is used at two ends of the elongated luminaire to mount the elongated luminaire on the cable or wire.

US Pat. No. 10,798,794

LED LIGHTING ASSEMBLY AND DRIVE CIRCUIT

CURRENT LIGHTING SOLUTION...

1. A LED lighting assembly configured to retrofit a fluorescent tube, comprising:at least one LED; and
a driving circuit configured to drive the at least one LED, comprising:
a switch control module connected to the at least one LED and configured to receive and process an alternating current voltage signal from one side or two sides of the LED lighting assembly and control to drive the at least one LED based on a processed voltage signal;
a first impedance element disposed between first and second lamp pins on a first side of the LED lighting assembly;
a second impedance element disposed between third and fourth lamp pins on a second side of the LED lighting assembly;
a first rectifying circuit connected to the at least one LED and configured to convert a first alternating current power received from the first impedance element into a first direct current power provided to the at least one LED; and
a second rectifying circuit connected to the at least one LED and configured to convert a second alternating current power received from the second impedance element into a second direct current power provided to the at least one LED.

US Pat. No. 10,707,635

METHOD FOR PROVIDING A WIRE CONNECTION TO A PRINTED CIRCUIT BOARD

CURRENT LIGHTING SOLUTION...

1. A method for providing a connection of a set of wires to a printed circuit board, the method comprising:attaching first ends of the set of wires at a first location on the printed circuit board, wherein the set of wires comprises at least two wires;
attaching second ends of the set of wires at a second location of the printed circuit board, to form an arched set of wires;
applying an encapsulant on the printed circuit board, the encapsulant forming a film through which the arched set of wires protrudes; and
cutting the arched set of wires to yield out-of-plane wires connected to the printed circuit board;
wherein the printed circuit board includes one or more light-emitting diodes configured to receive power from the out-of-plane wires.

US Pat. No. 10,595,370

LED LAMP AND DRIVER CIRCUIT FOR LED LIGHT SOURCE

CURRENT LIGHTING SOLUTION...

1. An LED lamp adapted to work on a circuit having a magnetic ballast, wherein the magnetic ballast comprises an inductor and a capacitor, the LED lamp comprising:a bridge rectifier for converting an alternating current supplied by the magnetic ballast to a direct current, the bridge rectifier having a first input terminal, a second input terminal, a first output terminal and a second output terminal, wherein the first input terminal and the second input terminal are electrically connected to the magnetic ballast;
a filter capacitor electrically connected to the first output terminal and the second output terminal of the bridge rectifier;
an LED light source electrically connected to the first output terminal and the second output terminal of the bridge rectifier;
a transistor having a drain electrode, a source electrode and a gate electrode, the drain electrode and the source electrode being electrically connected to the first output terminal and the second output terminal of the bridge rectifier respectively; and
a pulse width modulation controller electrically connected to the LED light source to detect a current flowing through the LED light source and electrically connected to the gate electrode of the transistor, and configured to control on and off of the transistor to place the circuit in a resistive mode, the on and off control based on a pulse width modulation adjusted according to a power of the LED light source and a system power factor requirement.

US Pat. No. 10,655,831

LUMINAIRE WITH A REPLACEABLE EXTERIOR SENSOR MODULE

Current Lighting Solution...

1. A luminaire-sensor system, comprising:a luminaire having an exterior housing facilitating at least one electrical luminaire connector, the luminaire is configured to provide an electrical power to the at least one electrical luminaire connector: and
a replaceable exterior sensor module configured to expand and update sensing capabilities of the luminaire when electrically connected to the luminaire, and comprising:
a sensor housing facilitating at least one electrical sensor connector matched for connecting to the at least one electrical luminaire connector; and
one or more sensors, protected by the sensor housing of the replaceable exterior sensor module, and configured to provide corresponding one or more sensor signals,
wherein the replaceable exterior sensor module is configured to be attached at and detached from a desired position in a vicinity of the luminaire, and wherein the at least one electrical luminaire connector is facilitated at an end of a wire cable brought out of the exterior housing for connecting with the at least one electrical sensor connector facilitated by the sensor housing of the replaceable exterior sensor module, and the at least one electrical sensor connector is configured to be connected to and disconnected from the at least one electrical luminaire connector when the replaceable exterior sensor module is attached at the desired position, so that the replaceable exterior sensor module, when being attached at the desired position with the at least one electrical sensor connector being connected to the at least one electrical luminaire connector, is electrically powered by the luminaire via the at least one electrical sensor connector.

US Pat. No. 10,602,254

PACKAGING OF LUMINAIRE MOUNTED MICROPHONES

CURRENT LIGHTING SOLUTION...

1. An outdoor luminaire, comprising:an exterior housing comprising a wall being waterproof and comprising one or more holes, wherein material on an interior surface of the wall is thinned annularly around each of the one or more holes, where each hole is covered on an interior surface of the wall with a gas permeable and non-rigid membrane that is adhesively bonded to the thinned annular portion of the interior surface of the wall forming a waterproof seal, wherein the gas permeable and non-rigid membrane is waterproof, impervious to ultraviolet radiation, and substantially transparent to sound waves;
one or more microphones, each microphone located in a vicinity of and configured to receive a sound wave signal; and
a foam material surrounding each microphone to mechanically de-couple each microphone from the exterior housing and to protect each microphone from detecting unwanted outside noises.

US Pat. No. 10,731,076

PROCESSES FOR PREPARING STABLE RED-EMITTING PHOSPHORS

CURRENT LIGHTING SOLUTION...

1. A process comprisingdispersing a compound of formula I in a solution comprising a compound of formula II to form a dispersion;

applying pressure to the dispersion at a temperature less than 200° C. to form a phosphor product; and
contacting the phosphor product with a fluorine-containing oxidizing agent in gaseous form at an elevated temperature;
wherein
A is Li, Na, K, Rb, Cs, or a combination thereof;
M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof;
x is the absolute value of the charge of the [MFy] ion; and
y is 5, 6 or 7.

US Pat. No. 10,955,840

APPARATUS AND METHOD FOR INSTALLING AND REPLACING LIGHT FIXTURE DEVICES

CURRENT LIGHTING SOLUTION...

1. An apparatus for installing and replacing a lighting controller of an outdoor lighting fixture comprising:a base portion supplying power;
a telescopic stick portion attached to the base portion at a first end thereof;
a rigid extension stick portion attached to a second end of the telescopic stick portion; and
a drone-type device directly attached to the rigid extension stick portion at an end opposite telescopic stick portion, and configured to: (i) receive power from the base portion through the telescopic stick portion and (ii) travel over and land at a top surface of the outdoor lighting fixture and perform installation or replacement of the lighting controller.

US Pat. No. 10,883,045

PHOSPHOR MATERIALS INCLUDING FLUIDIZATION MATERIALS FOR LIGHT SOURCES

CURRENT LIGHTING SOLUTION...

1. A phosphor body formed from:a potassium hexafluorosilicate-based powder, wherein the potassium hexafluorosilicate-based powder comprises potassium hexafluorosilicate doped with manganese;
a fumed silica fluidization material, wherein the fumed silica fluidization material is present in an amount less than or equal to 0.1 wt % relative to a weight of the potassium hexafluorosilicate-based powder; and
a resinous material.

US Pat. No. 10,823,388

PRESSURE EQUALIZED LIGHTING SUBASSEMBLY

CURRENT LIGHTING SOLUTION...

1. A lighting subassembly comprising:a printed circuit board having one or more lighting elements thereon and a single through-hole at a center region thereof for air flow;
a lens configured to cover the one or more lighting elements and the through-hole;
an overmold body configured to secure the lens in place, and to cover a back surface of the printed circuit board opposite the one or more lighting elements, and including a plurality of through holes corresponding to the through-hole of the printed circuit board; and
a vent disposed adjacent to the through-hole of the printed circuit board in between the overmold body and the printed circuit board, configured to only allow air to flow therethrough,
wherein the through-holes and the vent together create a venting system to allow airflow through the lighting subassembly.

US Pat. No. 10,793,773

COLOR STABLE RED-EMITTING PHOSPHORS

CURRENT LIGHTING SOLUTION...

1. A process for preparing a Mn+4 doped phosphor of formula I
the process comprising gradually adding a first solution comprising a source of M and HF and a second solution comprising a source of Mn to a reactor, in the presence of a source of A and an anion selected from phosphate, sulfate, acetate, and combinations thereof, to form a product liquor comprising the Mn+4 doped phosphor; and
gradually discharging the product liquor from the reactor while volume of the product liquor in the reactor remains approximately constant;
wherein
A is Li, Na, K, Rb, Cs, or a combination thereof;
M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof;
x is the absolute value of the charge of the [MFy] ion; and
y is 5, 6 or 7.

US Pat. No. 10,788,163

SOLID STATE LAMP FOR RETROFIT

CURRENT LIGHTING SOLUTION...

1. A solid state lamp comprising:one or more circuit boards configured as a circumferential array defining an interior volume of the lamp, each circuit board having an interior surface, an exterior surface, a first edge, and a second edge;
solid-state light sources mounted on the exterior surface of the one or more circuit boards;
a heat sink located in the interior volume interior to the circumferential array and including internal fins extending into the interior volume, the heat sink having one or more external faces in thermal communication with the interior surface of the one or more circuit boards;
an active cooling device positioned proximal to the interior volume configured to force airflow across the heat sink;
a capper assembly located proximal to the first edge of the one or more circuit boards, the capper assembly including at least one aperture configured to vent the interior volume; and
a dome assembly located proximal to the second edge, the dome assembly including a secondary circuit board having solid-state light sources, the secondary circuit board including at least one aperture to allow air to pass through into the interior volume.

US Pat. No. 10,754,081

DEVICES CONTAINING A REMOTE PHOSPHOR PACKAGE WITH RED LINE EMITTING PHOSPHORS AND GREEN EMITTING QUANTUM DOTS

CURRENT LIGHTING SOLUTION...

1. A backlight unit comprising an LED light source, a light guide panel, and a remote phosphor package radiationally coupled to the LED light source; the remote phosphor package comprising a green emitting quantum dot material and a Mn4+ doped phosphor of formula I, dispersed in a host matrix,whereinA is Li, Na, K, Rb, Cs, or combinations thereof;
M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or combinations thereof;
x is an absolute value of a charge of the [MFy] ion; and
y is 5, 6 or 7; and
wherein light emitted by the LED light source travels through one or more media external to the remote phosphor package to radiationally couple the LED light source to the remote phosphor package, and a portion of the light emitted by the LED light source in a direction opposite the remote phosphor package is reflected off only one surface of the light guide panel before traveling through the remote phosphor package.

US Pat. No. 10,973,101

DRIVER FOR LED DEVICE AND LED SYSTEM

CURRENT LIGHTING SOLUTION...

1. A single-stage driver for an LED device, configured to be coupled between a power supply and the LED device, the driver comprising:a rectifier, configured to be coupled to the power supply and convert an alternating voltage from the power supply into a first direct voltage;
a DC-to-DC converter, coupled between the rectifier and the LED device and configured to receive the first direct voltage and provide a constant current to the LED device, the DC-to-DC converter comprising at least two switches, wherein the at least two switches comprises a first switch, a second switch and a third switch, wherein the DC-to-DC converter further comprises an inductor, a first diode, a second diode, a third diode and a first capacitor; the power supply is configured to charge the inductor via the first, second and third switches when the first, second and third switches are on; the inductor is configured to discharge via the first diode, the first capacitor, the third diode and the second diode when the first, second and third switches are off;
a resistor, configured to be coupled in series with the LED device; and
a controller, coupled between the resistor and the at least two switches and configured to keep the current through the LED device stable around a predetermined current value by controlling the at least two switches based on a voltage across the resistor, wherein the at least two switches are turned on or off synchronously.

US Pat. No. 10,959,309

LED LAMP PROTECTION CIRCUIT

CURRENT LIGHTING SOLUTION...

1. A LED lamp protection circuit comprising:a driving circuit;
a rectifying circuit coupled with the driving circuit;
an LED luminous component circuit coupled with the rectifying circuit;
an arcing protection circuit coupled between the rectifying circuit and the LED luminous component circuit, and connected in parallel to the LED luminous component circuit, wherein the arcing protection circuit comprises a reverse diode; and
a non-resettable thermal fuse coupled between the rectifying circuit and the reverse diode, the non-resettable thermal fuse to be blown in the event of a high temperature generated by the arcing protection circuit;
wherein one end of the non-resettable thermal fuse is connected to a first DC voltage output terminal of the rectifying circuit, the other end of the non-resettable thermal fuse is connected to a first terminal of the reverse diode, and a second terminal of the reverse diode is connected to a second DC voltage output terminal of the rectifying circuit;
wherein the arcing protection circuit is in a blocking state when the LED lamp works at a normal condition, and the arcing protection circuit switches on, and the driving circuit and the arcing protection circuit form a loop circuit to extinguish arc when at least one circuit between the rectifying circuit and the LED luminous component circuit opens.

US Pat. No. 10,830,478

APPARATUS AND METHODS TO SYNCHRONIZE EDGE DEVICE COMMUNICATIONS WITH A CLOUD BROKER

Current Lighting Solution...

1. An apparatus comprising:a cloud broker including a processor and a memory, the memory storing a global schedule of settings for a plurality of control agents, the processor configured to at least:
receive a first instruction from a first control agent of the plurality of control agents for an edge device, the first instruction including a first schedule of settings for a target, the target accessible via the edge device, the first schedule of settings to be applied to the target during a first time period;
receive a second instruction from a second control agent of the plurality of control agents, the second instruction associated with a second schedule of settings for the target, the second schedule of settings to be applied to the target during a second time period;
analyze the first instruction and the second instruction to identify a conflict between the first instruction and the second instruction, the conflict resulting from overlap during the first time period and the second time period;
when no conflict is identified, provide the first instruction to the edge device for relay to the target for execution, the first instruction including the first schedule of settings; and
when a conflict is identified between the first instruction and the second instruction, i) mediate the conflict and provide an outcome of the mediation to the edge device, the outcome including a schedule free of conflicts, and ii) adjust the global schedule of settings to include the outcome of the mediation.
US Pat. No. 10,815,423

RED-EMITTING PHOSPHORS, PROCESSES AND DEVICES

CURRENT LIGHTING SOLUTION...

1. A process for synthesizing a Mn4+ doped phosphor of formula I:AX[MFy]:Mn4+   (I)
wherein, A is Li, Na, K, Rb, Cs, or a combination thereof;
M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof;
x is the absolute value of the charge of the [MFy] ion; and
y is 5, 6 or 7;
the method comprising electrolyzing a reaction solution comprising a source of manganese dissolved in at least one of hydrofluoric acid and hexafluorosilicic acid, a source of M and a source of A, wherein electrolyzing further comprises:
passing an electric current through the reaction solution comprising the source of manganese and at least one of hydrofluoric acid and hexafluorosilicic acid to form an electrolyzed manganese solution,
combining the source of M and the source of A with the electrolyzed manganese solution to form a combined solution; and
passing an electric current through the combined solution.

US Pat. No. 10,781,995

LIGHTING APPARATUS

CURRENT LIGHTING SOLUTION...

1. An illumination device, comprising:a support member;
at least one first light source on the support member and at least one second light source on the support member, wherein the at least one first light source has a first light distribution, the at least one second light source has a second light distribution, the first light distribution is different from the second light distribution, and the first light distribution and the second light distribution collectively form a composite light distribution; and
a single adjustment member to directly adjust a current intensity ratio of current provided to the at least one first light source and the at least one second light source to modify the composite light distribution.

US Pat. No. 10,960,090

LIGHT DISINFECTION SYSTEM AND METHOD

CURRENT LIGHTING SOLUTION...

1. A system comprising:at least one general illuminating light source configured to generate light toward one or more surfaces or materials to inactivate one or more pathogens on the one or more surfaces or materials; and
at least one targeted surface illuminating light source integrated into at least one device, equipment, or fixture, the at least one targeted surface illuminating light source configured to generate light toward one or more surfaces of the at least one device, equipment, or fixture to inactivate one or more pathogens on the one or more surfaces;
wherein the light from the at least one general illuminating light source and the at least one targeted surface illuminating light source includes an inactivating portion having wavelengths in a range of 280 to 380 nanometers.
US Pat. No. 10,954,438

PROCESS FOR IMPROVED HALIDE MATERIALS

CURRENT LIGHTING SOLUTION...

1. A process for synthesizing a color stable Mn4+ doped phosphor, the process contacting a precursor of formula I, II, III, or IVAaBbCcDdXx:Mn4+  (I)
AaiBbiCciDdXxYd:Mn4+  (II)
A13G2-m-nMnmMgnLi3F12-pOp,  (III)
AZF4:Mn4+  (IV)
with a fluorine-containing oxidizing agent in gaseous form at an elevated temperature to form the color stable Mn4+ doped phosphor;
wherein
A is Li, Na, K, Rb, Cs, or a combination thereof;
B is Be, Mg, Ca, Sr, Ba, or a combination thereof;
C is Sc, Y, B, Al, Ga, In, Tl, or a combination thereof;
D is Ti, Zr, Hf, Rf, Si, Ge, Sn, Pb, or a combination thereof;
X is F or a combination of F and at least one of Br, Cl, and I;
Y is O, or a combination of O and at least one of S and Se;
Al is Na or K, or a combination thereof;
G is Al, B, Sc, Fe, Cr, Ti, In, or a combination thereof;
Z is La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sc, Y, In, or a combination thereof;
0?a<2;
0?b<1;
0?c<1;
0?d?1;
0.8?ai?1.2;
0.8?bi?1.2;
0?ci?1.2;
5.0?x?7;
0.8?c+d?1.2;
a+2b+3c+4d=x;
0.8?ci+d?1;
5.0?x+d?7.0;
ai+2bi+3ci+4d=x+2d;
0.02?m?0.2;
0?n?0.4; and
0?p<1.

US Pat. No. 10,941,907

TROFFER RETROFIT KIT

Current Lighting Solution...

1. A retrofit kit for a luminaire, the luminaire installed in a recess of a ceiling plane, the luminaire including a troffer having a troffer length and a troffer width, the retrofit kit comprising:a set of brackets supporting a belly pan disposed within the troffer, the belly pan disposed along the troffer length;
a door assembly configured to sit below the ceiling plane, the door assembly having an overall door width and an overall door length determined by a maximum width and a maximum length of the recess of the ceiling plane supporting the troffer, the overall door width is greater than the troffer width and the overall door length is approximately equal to the troffer length, an opening of the door assembly having a maximum length corresponding to the troffer length and a maximum width corresponding to the troffer width; and
the opening of the door assembly including a diffuser, the diffuser having a width less than the overall door width, the door assembly removably attached to the luminaire by the set of brackets at a fixed location on the door assembly.
US Pat. No. 10,920,136

PROCESSES FOR SYNTHESIZING RED-EMITTING PHOSPHORS AND RELATED RED-EMITTING PHOSPHORS

CURRENT LIGHTING SOLUTION...

1. A process for synthesizing a manganese doped phosphor of formula I,Ax[MFy]:Mn+4  I
the process comprising:
contacting a first solution with a second solution and a third solution in the presence of a plurality of inert particles, wherein the first solution and the second solution comprise a composition of formula II: Ax[MnFy] and the third solution comprises a source of M,
wherein,
A is Li, Na, K, Rb, Cs, or combinations thereof;
M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or combinations thereof;
x is an absolute value of a charge of the [MFy] ion; and
y is 5, 6 or 7.