NETWORKABLE LED-BASED LIGHTING FIXTURES AND METHODS FOR POWERING AND CONTROLLING SAME
First Claim
1. A lighting fixture, comprising:
- a housing having a least a first portion and a second portion;
at least one power and control circuit board disposed in the first portion of the housing, the at least one power and control circuit board comprising;
at least one switching power supply for receiving an A.C. line voltage and providing a D.C. output voltage; and
a communication protocol converter for receiving first lighting instructions formatted according to a first communication protocol and converting at least some of the first lighting instructions to second lighting instructions formatted according to a second communication protocol; and
a plurality of modular circuit boards disposed in the second portion of the housing and coupled to the at least one power and control circuit board, each modular circuit board of the plurality of modular circuit boards comprising a plurality of LED-based lighting units coupled to the D.C. output voltage and responsive to the second lighting instructions formatted according to the second communication protocol.
3 Assignments
0 Petitions
Accused Products
Abstract
A lighting fixture, and methods for powering and operating same. The fixture comprises a housing having multiple portions. One or more power and control circuit boards are disposed in a first portion of the housing, comprising one or more switching power supplies for receiving an A.C. line voltage and providing a D.C. output voltage, and a communication protocol converter for receiving first lighting instructions formatted according to a first communication protocol and converting at least some of the first lighting instructions to second lighting instructions formatted according to a second communication protocol. A plurality of modular circuit boards are disposed in the second portion of the housing and coupled to the power and control circuit board(s). Each modular circuit board comprises a plurality of LED-based lighting units coupled to the D.C. output voltage and responsive to the second lighting instructions formatted according to the second communication protocol.
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Citations
25 Claims
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1. A lighting fixture, comprising:
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a housing having a least a first portion and a second portion;
at least one power and control circuit board disposed in the first portion of the housing, the at least one power and control circuit board comprising;
at least one switching power supply for receiving an A.C. line voltage and providing a D.C. output voltage; and
a communication protocol converter for receiving first lighting instructions formatted according to a first communication protocol and converting at least some of the first lighting instructions to second lighting instructions formatted according to a second communication protocol; and
a plurality of modular circuit boards disposed in the second portion of the housing and coupled to the at least one power and control circuit board, each modular circuit board of the plurality of modular circuit boards comprising a plurality of LED-based lighting units coupled to the D.C. output voltage and responsive to the second lighting instructions formatted according to the second communication protocol. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A modular LED-based lighting fixture, comprising:
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an input connector for receiving an A.C. line voltage and first lighting instructions formatted according to a first communication protocol;
an output connector for providing the A.C. line voltage and the first lighting instructions formatted according to the first communication protocol;
a communication protocol converter coupled to the input connector for converting at least some of the first lighting instructions formatted according to the first communication protocol into second lighting instructions formatted according to a second communication protocol; and
a plurality of LED-based lighting units coupled to the communication protocol converter and configured to receive the second lighting instructions formatted according to the second communication protocol, each LED-based lighting unit of the plurality of LED-based lighting units being individually and independently controllable in response to at least some of the second lighting instructions. - View Dependent Claims (8, 9, 10, 11)
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12. A modular LED-based lighting fixture, comprising:
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an input connector for receiving an A.C. line voltage and first lighting instructions formatted according to an Ethernet-based protocol;
an output connector for providing the A.C. line voltage and the first lighting instructions formatted according to the Ethernet-based protocol;
at least one switching power supply coupled to the input connector for converting the A.C. line voltage to a D.C. output voltage; and
a plurality of LED-based lighting units coupled to the D.C. output voltage, each LED-based lighting unit of the plurality of LED-based lighting units being individually and independently controllable based on information contained in the first lighting instructions. - View Dependent Claims (13, 14, 15)
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16. A linear lighting fixture, comprising:
a plurality of serially-connected modular circuit boards, each modular circuit board comprising a plurality of individually and independently controllable serially-connected LED-based lighting units, such that all of the plurality of LED-based lighting units on all of the plurality of serially-connected modular circuit boards are serially-interconnected, each LED-based lighting unit comprising;
at least one first LED for generating first radiation having a first spectrum;
at least one second LED for generating second radiation having a second spectrum different from the first spectrum; and
an application-specific integrated circuit (ASIC) for controlling at least a first intensity of the first radiation and a second intensity of the second radiation in response to first lighting instructions formatted according to a serial-based communication protocol. - View Dependent Claims (17, 18, 19)
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20. A lighting system, comprising:
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a first plurality of serially-connected modular lighting fixtures, at least a first modular lighting fixture of the first plurality of serially-connected modular lighting fixtures configured to receive both an A.C. line voltage and Ethernet-based communications via a first single multiple-conductor cable, each modular lighting fixture comprising;
at least one switching power supply to convert the A.C. line voltage to a D.C. output voltage;
a communication protocol converter to convert the Ethernet-based communications to lighting instructions formatted according to a serial-based protocol; and
a plurality of serially-connected LED-based lighting units coupled to the D.C. voltage for generating variable color, variable color temperature, and/or variable intensity light based on the lighting instructions formatted according to the serial-based protocol. - View Dependent Claims (21, 22, 23, 24, 25)
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Specification