[특허]LED-based lamps

LED-based lamps 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F21V-007/00 F21K-099/00 F21V-029/00 F21V-007/20 F21V-003/04 F21V-007/06 F21W-121/00 F21V-007/22 F21Y-101/02
출원번호	US-0156197 (2011-06-08)
등록번호	US-8807799 (2014-08-19)
발명자 / 주소	Li, Yi-Qun Collier, Ian
출원인 / 주소	Intematix Corporation
대리인 / 주소	Vista IP Law Group, LLP
인용정보	피인용 횟수 : 7 인용 특허 : 115

초록 ▼

A lamp comprises: a dish-shaped (parabolic); an LED operable to generate excitation light; a light guide configured to extend along an axis of the reflector, wherein light generated by the at least one LED is coupled into a first end of the light guide and wherein light is emitted from the light guide at a light emitting surface that is in proximity to a second end of the light guide and at least one phosphor material provided as a layer on at least a part of the light emitting surface of the light guide. An LED light bulb is also disclosed.

대표청구항 ▼

1. A lamp comprising: a dish-shaped reflector;at least one LED operable to generate excitation light;a light guide configured to extend along an axis of the reflector, wherein light generated by the at least one LED is coupled into a first end of the light guide and wherein light is emitted from the light guide at a light emitting surface that is in proximity to a second end of the light guide, wherein the light emitting surface tapers outwardly away from the first end of the light guide;at least one phosphor material provided as a layer on at least a part of the light emitting surface of the light guide; anda light reflective surface on one end of the light emitting surface, wherein the light reflective surface prevents light emission from the second end of the light guide, and is configured to reflect light towards the at least one phosphor material. 2. The lamp of claim 1, wherein the first end of the light guide is located outside of the reflector. 3. The lamp of claim 2, wherein the light emitting surface of the light guide is located within the reflector. 4. The lamp of claim 1, wherein the light emitting surface comprises a generally frusto-conical surface, with the truncated apex of the cone located at the end of the light guide. 5. The lamp of claim 4, wherein the light reflective surface is located on the base of the frusto-conical surface. 6. The lamp of claim 5, and further comprising a generally conical indentation in the base of the frusto-conical surface. 7. The lamp of claim 1, and further comprising a light reflective surface on an outer surface of the light guide. 8. The lamp of claim 1, and further comprising a thermally conductive body and wherein the at least one LED is in thermal communication with the body. 9. The lamp of claim 8, wherein the body is generally frusto-conical in form. 10. The lamp of claim 9, wherein the body is configured such that the spotlight can be fitted in an existing lighting fixture. 11. The lamp of claim 10, wherein the body is configured such that it has a form factor that resembles a standard form selected from the group consisting of: MR16, MR11, PAR20, PAR30, PAR38, PAR56 and PAR64. 12. The lamp of claim 8, wherein the body has a thermal conductivity selected from the group consisting of at least 150 Wm−1K−1 and at least 200 Wm−1K−1. 13. The lamp of claim 12, wherein the body comprises a material selected from the group consisting of: a metal core printed circuit board, aluminum, an alloy of aluminum, a magnesium alloy, copper and a thermally conductive ceramic material. 14. The lamp of claim 8, wherein the body further comprises a plurality of heat radiating fins. 15. The lamp of claim 1, wherein the dish-shaped reflector comprises a light reflective surface that is generally parabolic. 16. The lamp of claim 1, wherein the dish-shaped reflector is selected from the group consisting of: Acrylonitrile Butadiene Styrene, a polycarbonate, an acrylate, polymer material, aluminum, an aluminum alloy and a magnesium alloy.

이 특허에 인용된 특허 (115)

Wang, Ting; Ott, Maximilian, All optical display with storage and IR-quenchable phosphors.
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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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LED-based lamps 원문보기

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LED-based lamps 원문보기

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이 특허에 인용된 특허 (115)

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