[특허]LED light source assembly

LED light source assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F21V-021/00
출원번호	US-0802517 (2004-03-17)
발명자 / 주소	Coushaine,Charles M.
출원인 / 주소	Osram Sylvania Inc.
인용정보	피인용 횟수 : 107 인용 특허 : 0

초록 ▼

A compact LED light source providing intensive LED positioning along with thermal dissipation can be made with a heat conductive plate supporting a plurality of LEDs mounted on the plate and in thermal contact with the plate. The plate further supports electrical circuitry providing electrical connection to the LEDs. A heat conductive stem mechanically supports the plate and may provide a thermal conduction path from the plate away from the LEDs. A high concentration of LED can then be conveniently mounted and held in close proximity for increased optical system intensity, while providing a thermal exit path for the associated increase in heat concentration.

대표청구항 ▼

What is claimed is: 1. A light source comprising: a solid heat conductive plate having a first side and a second side; a plurality of LEDs supported on the first side of the plate; electrical circuitry supported on a side of the plate providing electrical connection to the LEDs; and a heat conductive stem extending transversely to the plate and supporting the plate wherein the heat conductive stem supporting the plate in combination with the plate define at least one recess surrounding at least one LED having a surface wall generally facing the LED and reflecting light from the recess. 2. The LED lamp in claim 1, wherein electrically insulating guides with progressively narrower diameters guide the leads in the stem. 3. A light source comprising: a heat conductive stem having an axis, the stem extending axially from a base end to a distal end, and having at least one axially extending through passage; a solid, heat conductive plate having a first side and a second side; the plate being mounted on the distal end of the stem with the first side facing towards the base end; the plate extending transversely to the axis, the plate having a greater radial extension than a radial extension of the stem adjacent the mounting to the plate whereby the radial periphery of the plate overhangs the stem; a plurality of LEDs supported on the first side of the plate along the radial periphery of the first side; electrical circuitry supported on a side of the plate providing electrical connection to the LEDs; at least one electrical lead extended through the through passage and electrically coupled to the circuitry supported on the plate; and having a cap covering the second side of the plate; wherein the cap is coupled through a passage in the plate to the stem thereby retaining plate between the stem and the cap. 4. A light source comprising: a heat conductive stem having an axis, the stem extending axially from a base end to a distal end, and having at least one axially extending through passage; a solid, heat conductive plate having a first side and a second side; the plate being mounted on the distal end of the stem with the first side facing towards the base end; the plate extending transversely to the axis, the plate having a greater radial extension than a radial extension of the stem adjacent the mounting to the plate whereby the radial periphery of the plate overhangs the stem; a plurality of LEDs supported on the first side of the plate along the radial periphery of the first side; electrical circuitry supported on a side of the plate providing electrical connection to the LEDs; and at least one electrical lead extended through the through passage and electrically coupled to the circuitry supported on the plate; wherein at least one electrically insulating guide with a progressively narrower diameter guides the at least one lead in the stem.

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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 light source assembly 원문보기

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LED light source assembly 원문보기

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