[특허]LED lamp and heat sink

[미국특허] LED lamp and heat sink 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F21V-029/77 F21V-029/507 F21V-029/74 F21K-009/232 F21K-009/233 F21V-007/00 F21V-029/00 F21Y-101/00 F21Y-115/10 F21Y-107/30
출원번호	US-0699227 (2015-04-29)
등록번호	US-9651239 (2017-05-16)
발명자 / 주소	Pickard, Paul Kenneth Reier, Bart P. Progl, Curt Negley, Gerald H.
출원인 / 주소	Cree, Inc.
대리인 / 주소	Williamson, Dennis J.
인용정보	피인용 횟수 : 0 인용 특허 : 64

초록 ▼

A lamp has an optically transmissive enclosure and a base. At least one LED is located in the enclosure and are operable to emit light when energized through an electrical path from the base. A heat sink comprises a heat dissipating portion having a first part that is located inside of the enclosure and that is thermally coupled to the LED and a second part that is exposed to the ambient environment. The second part comprises a plurality of stems connected to the first part where each stem supports a first overhang that extends over a portion of the enclosure and a second overhang that extends over a portion of the base.

대표청구항 ▼

1. A lamp comprising: an enclosure;a base comprising an electrically conductive connector and an electrically non-conductive housing portion;at least one LED located in the enclosure and operable to emit light when energized through an electrical path from the base;a heat sink connected to the housing portion comprising a heat dissipating portion that is at least partially exposed to the ambient environment and comprises a plurality of fins, the plurality of fins on the exterior of the lamp and each of the plurality of fins extending over at least one of the housing portion and the enclosure. 2. The lamp of claim 1 wherein the lamp is one of an omnidirectional lamp and a directional lamp. 3. The lamp of claim 1 wherein the heat sink comprises a heat conducting portion that is located in the enclosure and that is thermally coupled to the heat dissipating portion. 4. The lamp of claim 1 wherein the plurality of fins comprise a first portion that extends over the enclosure and a second portion that extends over the base. 5. The lamp of claim 1 wherein the plurality of fins extend generally radially from a body of the heat sink. 6. The lamp of claim 1 wherein the plurality of fins extend along the longitudinal axis of the lamp. 7. The lamp of claim 1 wherein each of the plurality of fins comprise a stem that extends from a body of the heat dissipating portion. 8. The lamp of claim 7 wherein the stem extends between the enclosure and the base. 9. The lamp of claim 1 wherein the heat sink extends between the enclosure and the base. 10. The lamp of claim 1 wherein at least a portion of the enclosure is optically transmissive. 11. The lamp of claim 1 comprising a gap formed in the lamp housing between the enclosure and the base, the heat sink comprising a portion that extends through the gap. 12. A lamp comprising: an enclosure;a base comprising an electrically conductive connector and an electrically non-conductive housing portion;at least one LED located in the enclosure and operable to emit light when energized through an electrical path from the base;a heat sink connected to the housing portion comprising a heat dissipating portion having a first part that is located inside of the enclosure and that is thermally coupled to the at least one LED and a second part that is exposed to the ambient environment, the second part comprising a plurality of fins that extend over a portion of the enclosure and a portion of the housing portion. 13. The lamp of claim 12 wherein the heat sink is disposed between the enclosure and the base. 14. The lamp of claim 12 comprising a gap formed in the lamp housing between the enclosure and the base, the heat sink comprising a portion that extends through the gap. 15. A lamp comprising: an enclosure that is at least partially optically transmissive and a base forming a lamp housing, a gap formed in the lamp housing between the enclosure and the base;at least one LED located in the enclosure and operable to emit light when energized through an electrical path from the base;a heat sink comprising a heat dissipating portion that is at least partially disposed in the lamp housing and that extends through the gap, the heat dissipating portion comprising a plurality of fins, the plurality of fins extending over the enclosure. 16. A lamp comprising: an enclosure;a base comprising an electrically conductive connector and an electrically non-conductive housing portion;at least one LED located in the enclosure and operable to emit light when energized through an electrical path from the base;a heat sink connected to the housing portion comprising a heat dissipating portion having a first part that is located inside of the enclosure and that is thermally coupled to the at least one LED and a second part that is exposed to the ambient environment, the second part extending over the enclosure and the housing portion. 17. The lamp of claim 16 wherein the second part comprises fins. 18. A lamp comprising: an enclosure that is at least partially optically transmissive and a base forming a lamp housing, a gap formed in the lamp housing between the enclosure and the base;at least one LED located in the enclosure and operable to emit light when energized through an electrical path from the base;a heat sink connected to the housing portion comprising a first portion that extends through the gap in the lamp housing and a second portion that extends over the enclosure and the base. 19. The lamp of claim 18 wherein the second part comprises fins.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] LED lamp and heat sink 원문보기