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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0911352 (2013-06-06) |
등록번호 | US-9013119 (2015-04-21) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 846 |
An LED based light comprises at least one LED; and at least one thermoelectric generator having a first side and a second side, wherein the first side is thermally coupled to the at least one LED such that heat generated by the at least one LED is passively conducted to the at least one thermoelectr
An LED based light comprises at least one LED; and at least one thermoelectric generator having a first side and a second side, wherein the first side is thermally coupled to the at least one LED such that heat generated by the at least one LED is passively conducted to the at least one thermoelectric generator, producing a temperature differential between the first side and second side, wherein the at least one thermoelectric generator is configured to produce electrical energy from the temperature differential.
1. An LED based light comprising: at least one LED; andat least one thermoelectric generator having a first side and a second side, wherein the first side is thermally coupled to the at least one LED such that heat generated by the at least one LED is passively conducted to the at least one thermoel
1. An LED based light comprising: at least one LED; andat least one thermoelectric generator having a first side and a second side, wherein the first side is thermally coupled to the at least one LED such that heat generated by the at least one LED is passively conducted to the at least one thermoelectric generator, producing a temperature differential between the first side and second side, wherein the at least one thermoelectric generator is configured to produce electrical energy from the temperature differential. 2. The LED based light of claim 1, wherein the electrical energy produced by the at least one thermoelectric generator is voltage. 3. The LED based light of claim 1, wherein the at least one LED is a plurality of LEDs and the at least one thermoelectric generator is a plurality of thermoelectric generators, each of the plurality of LEDs being thermally coupled to a respective one of the plurality of thermoelectric generators. 4. The LED based light of claim 1, wherein the at least one thermoelectric generator is a plurality of thermoelectric generators electrically connected to each other in series. 5. The LED based light of claim 1 further comprising: a heat sink adjacent to the second side of the at least one thermoelectric generator and configured to increase the temperature differential between the first side and the second side. 6. The LED based light of claim 5, wherein the heat sink is disposed in thermally conductive relation to the second side of the at least one thermoelectric generator. 7. The LED based light of claim 6, wherein the at least one thermoelectric generator is disposed in thermally conductive relation to the at least one LED, and the at least one thermoelectric generator is disposed between the at least one LED and the heat sink. 8. The LED based light of claim 1, wherein the at least one thermoelectric generator has an electrical connection to the at least one LED, wherein the electrical energy produced by the at least one thermoelectric generator is provided to the at least one LED. 9. An LED based light, comprising: a housing including at least one LED, the housing defining a path for heat originating from the at least one LED to transfer to an ambient environment;at least one thermoelectric generator positioned in the path and configured to generate electrical energy in response to the heat; andat least one electrical connection between the at least one LED and the at least one thermoelectric generator, the at least one LED operable to produce light at least partially in response to the electrical energy. 10. The LED based light of claim 9, wherein the electrical energy is voltage. 11. The LED based light of claim 9, wherein the electrical connection is adapted to electrically connect the at least one thermoelectric generator and the at least one LED in series. 12. The LED based light of claim 9, wherein the at least one thermoelectric generator comprises a plurality of thermoelectric generators electrically connected to each other in series. 13. The LED based light of claim 9, wherein the at least one thermoelectric generator is configured to generate the electrical energy upon achieving a temperature differential, further comprising a thermal dissipater thermally coupled to the at least one thermoelectric generator to increase the temperature differential. 14. The LED based light of claim 13, wherein the at least one thermoelectric generator is thermally coupled between the at least one LED and the thermal dissipater. 15. The LED based light of claim 13, wherein the thermal dissipater is a highly thermally conductive heat sink. 16. An LED based light for use in a conventional lighting fixture, comprising: a housing including at least one LED, the housing defining a path for heat originating from the at least one LED to transfer to an ambient environment;at least one thermoelectric generator positioned in the path and configured to generate electrical energy in response to the heat, the LED based light operable at least partially in response to the electrical energy; anda connector located at an end of the housing and engageable with a conventional lighting fixture, wherein the housing and the connector at least partially define a single package sized for use in the fixture. 17. The LED based light of claim 16, further comprising: a power converter circuit configured to electrically connect the least one thermoelectric generator to the least one LED and to power the at least one LED with the electrical energy. 18. The LED based light of claim 16, wherein the at least one thermoelectric generator is configured to generate the electrical energy upon achieving a temperature differential, further comprising a thermal dissipater thermally coupled to the at least one thermoelectric generator to increase the temperature differential. 19. The LED based light of claim 18, wherein the at least one thermoelectric generator is thermally coupled between the at least one LED and the thermal dissipater. 20. The LED based light of claim 18, wherein the thermal dissipater is a highly thermally conductive heat sink.
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