Recessed LED down light
First Claim
1. A light-emitting diode (LED) circuit board connected to an AC power source used for a recessed down light fixture, comprising:
- a plurality of resistors electrically connected to the LED circuit board;
a bridge rectifier electrically connected to the LED circuit board for converting the AC power to DC power; and
a plurality of at least 80 miniature LEDs electrically connected to the LED circuit board and configured to provide an appearance of a single light source, wherein the plurality of miniature LEDs are separated into a plurality of LED clusters, each LED cluster electrically connected to at least one resistor, and further wherein the plurality of miniature LEDs are arranged in a configuration such that a voltage differential across any two proximate LEDs is less than 36 volts.
1 Assignment
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Accused Products
Abstract
In an embodiment of the present invention, a light emitting diode (LED) recessed down light fixture comprises a housing, a reflector assembly mounted to the housing, and an LED circuit board attached to the housing over the reflector assembly. The LED circuit board includes a plurality of resistors electrically connected to the LED circuit board, a bridge rectifier, and a plurality of at least 80 miniature LEDs electrically connected to the LED circuit board and configured to provide light. The plurality of miniature LEDs are separated into a plurality of LED clusters. Each cluster is electrically connected to at least one resistor. Further, the plurality of miniature LEDs are arranged in a configuration such that a voltage differential across any two proximate LEDs is less than 36 volts. The down light fixture further comprises a lens cover attached to the top end of the reflector assembly.
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Citations
49 Claims
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1. A light-emitting diode (LED) circuit board connected to an AC power source used for a recessed down light fixture, comprising:
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a plurality of resistors electrically connected to the LED circuit board; a bridge rectifier electrically connected to the LED circuit board for converting the AC power to DC power; and a plurality of at least 80 miniature LEDs electrically connected to the LED circuit board and configured to provide an appearance of a single light source, wherein the plurality of miniature LEDs are separated into a plurality of LED clusters, each LED cluster electrically connected to at least one resistor, and further wherein the plurality of miniature LEDs are arranged in a configuration such that a voltage differential across any two proximate LEDs is less than 36 volts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A light-emitting diode (LED) circuit board connected to a power source used for a recessed down light fixture, comprising:
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a plurality of resistors electrically connected to the LED circuit board; a bridge rectifier electrically connected to the LED circuit board; a pair of fuses electrically connected to the LED circuit board, wherein the pair of fuses includes a first fuse and a second fuse; and a plurality of miniature LEDs electrically connected to the LED circuit board, wherein the plurality of miniature LEDs provide a light source in one of two factory-selectable modes, the first mode being operable with the second fuse preinstalled and the second mode being operable with the second fuse not preinstalled, further, wherein the first mode is a high light output and the second mode is a low light output.
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16. A light-emitting diode (LED) recessed down light fixture, comprising:
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a housing having four side panels and a top panel; a bottom frame attached to the housing, wherein the bottom frame has an aperture; a reflector assembly mounted to the housing through the aperture; an LED circuit board attached to the inside of the top panel of the housing over the reflector assembly comprising, a plurality of resistors electrically connected to the LED circuit board, a bridge rectifier electrically connected to the LED circuit board for converting the AC power to DC power, and a plurality of at least 80 miniature LEDs electrically connected to the LED circuit board and configured to provide light, wherein the plurality of miniature LEDs are separated into a plurality of LED clusters, each cluster electrically connected to at least one resistor, and further wherein the plurality of miniature LEDs are arranged in a configuration such that a voltage differential across any two proximate LEDs is less than 36 volts; and a lens cover attached to the top end of the reflector assembly configured to cover the LED circuit board. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A method for manufacturing light fixtures comprising a plurality of LEDs where each of the plurality of LEDs is supplied in manner that corresponds to one of a plurality of presorted bins, the method comprising the steps of:
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(a) continuously determining a percentage of LEDs corresponding to each of the plurality of bins; (b) continuously determining a first bin that corresponds to the percentage of LEDs with a highest incidence; (c) continuously determining a second bin that corresponds to percentage of LEDs with a second highest incidence; (d) electrically connecting the plurality of LEDs to an LED circuit board, wherein the LEDs are separated into a plurality of LED clusters, wherein the LED circuit board comprises; a first LED cluster with two parts, a first part with LEDs from the first bin and a second part with LEDs from the second bin, the number of LEDs from the first bin and the second bin approximately equal; and a second LED cluster with two parts, a first part with LEDs from the first bin and a second part with LEDs from the second bin, the number of LEDs from the first bin and second bin approximately equal, wherein the first part of the first LED cluster is proximate to the second part of the second LED cluster and the second part of the first LED cluster is proximate to the first part of the second LED cluster. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49)
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Specification