Gas cooled LED lamp
First Claim
Patent Images
1. A lamp comprising:
- an enclosure being at least partially optically transmissive;
a board supporting a power supply for the lamp located in the enclosure;
at least one LED disposed in the optically transmissive enclosure and mounted to the board and operable to emit light when energized through an electrical connection;
a gas contained in the enclosure to provide thermal coupling to the at least one LED; and
the at least one LED mounted on a submount formed to have a three dimensional shape, wherein the submount comprises a flex circuit comprised of a thermally conductive material on a flexible dielectric material, the board being electrically coupled to the at least one LED and the submount being thermally coupled to the gas for dissipating heat from the at least one LED wherein portions of the flex circuit form heat conducting elements that provide suitable surface area and allow gas circulation such that heat generated by the at least one LED is transferred to the gas.
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Accused Products
Abstract
In one embodiment, a lamp comprises an optically transmissive enclosure. An LED array is disposed in the optically transmissive enclosure operable to emit light when energized through an electrical connection. A gas is contained in the enclosure to provide thermal coupling to the LED array. A board supports lamp electronics for the lamp and is located in the enclosure. The LED array is mounted to the board and LEDs are mounted on a submount formed to have a three dimensional shape. The board is electrically coupled to the LED array and the submount may be thermally coupled to the gas for dissipating heat from the plurality of LEDs.
103 Citations
34 Claims
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1. A lamp comprising:
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an enclosure being at least partially optically transmissive; a board supporting a power supply for the lamp located in the enclosure; at least one LED disposed in the optically transmissive enclosure and mounted to the board and operable to emit light when energized through an electrical connection; a gas contained in the enclosure to provide thermal coupling to the at least one LED; and the at least one LED mounted on a submount formed to have a three dimensional shape, wherein the submount comprises a flex circuit comprised of a thermally conductive material on a flexible dielectric material, the board being electrically coupled to the at least one LED and the submount being thermally coupled to the gas for dissipating heat from the at least one LED wherein portions of the flex circuit form heat conducting elements that provide suitable surface area and allow gas circulation such that heat generated by the at least one LED is transferred to the gas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A lamp comprising:
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an enclosure being at least partially optically transmissive and a base defining a longitudinal axis of the lamp; an electronics board supporting electronic circuitry connected to a power supply for the lamp, the board extending substantially along the longitudinal axis of the lamp and extending into substantially the center of the enclosure; at least one LED disposed in the optically transmissive enclosure and mounted to the board and operable to emit light when energized through an electrical connection from the base; and the at least one LED mounted on a submount formed to have a three dimensional shape, the board supporting the submount such that the at least one LED is positioned substantially in the center of the enclosure and the board being electrically coupled to the at least one LED; and
the submount dissipating heat from the at least one LED. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A lamp comprising:
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an enclosure being at least partially optically transmissive; a board supporting a power supply for the lamp located in the enclosure; at least one LED disposed in the optically transmissive enclosure and mounted to the board and operable to emit light when energized through an electrical connection; a gas contained in the enclosure to provide thermal coupling to the at least one LED; and the at least one LED mounted on a submount formed to have a three dimensional shape, wherein the submount comprises a flex circuit comprised of a thermally conductive material on a flexible dielectric material, the board being electrically coupled to the at least one LED and the submount being thermally coupled to the gas for dissipating heat from the at least one LED wherein the flex circuit is flooded with copper to provide enough heat conductive material that heat generated by the at least one LED is dissipated to the gas in the enclosure such that the performance of the at least one LED is not degraded.
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Specification