[특허]Light emitting diode illumination system

[미국특허] Light emitting diode illumination system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-021/00
출원번호	US-0344815 (2012-01-06)
등록번호	US-8525999 (2013-09-03)
발명자 / 주소	Brukilacchio, Thomas J.
출원인 / 주소	Lumencor, Inc.
대리인 / 주소	Fliesler Meyer LLP
인용정보	피인용 횟수 : 5 인용 특허 : 148

초록 ▼

In various embodiments of the invention, a unique construction for Light Emitting Diodes (LEDs) with at least one luminescent rod and extracting optical elements used to generate a variety of high brightness light sources with different emission spectra. In an embodiment of the invention, forced air cooling is used to cool the luminescent rod. In an embodiment of the invention, totally internal reflected light can be redirected outward and refocused. In another embodiment of the invention, light emitted by the luminescent rod is out-coupled for use in a variety of applications.

대표청구항 ▼

1. An illumination system, comprising: a first LED module including, a straight rod having a first end, a second end, and peripheral surface extending longitudinally between the first end and the second end;a linear array of LEDs which emit light of a first wavelength;the linear array of LEDs positioned along the peripheral surface of the straight rod such that light of the first wavelength passes into the luminescent rod through the peripheral surface;the straight rod comprising a luminescent material which absorbs the light of the first wavelength and emits light of a second wavelength;a reflective element coupled to the first end of the straight rod to reflect light towards the second end of the straight rod; andthe second end of the straight rod forming an outlet aperture for emitting light from the straight rod,whereby the straight rod generates light of the second wavelength in response to excitation by light of the first wavelength and emits light of the second wavelength through the outlet aperture;a second LED module which emits light of a third wavelength different than the second wavelength;a third LED module which emits light of a fourth wavelength different than the second wavelength and different than the third wavelength;a plurality of reflective elements which combine the light of the second wavelength with the light of the third wavelength and the light of the fourth wavelength into a combined beam of white light having a CRI of 85 or greater; anda lens system which focuses the combined beam of white light into an input aperture of a fiber optic device which transmits the combined beam of white light to an endoscope. 2. The illumination system of claim 1, further comprising a concentrator coupled to the outlet aperture of the straight rod wherein the concentrator receives, concentrates, and transmits light of the second wavelength emitted from the outlet aperture. 3. The illumination system of claim 1, wherein: the straight rod has a first index of refraction; andthe illumination system includes a concentrator coupled to the outlet aperture of the straight rod wherein the concentrator receives light of the second wavelength emitted from the outlet aperture; andwherein the concentrator has a second index of refraction approximately identical to the first index of refraction. 4. The illumination system of claim 1, wherein pressurized air is directed at a surface of the straight rod in order to cool the straight rod. 5. The illumination system of claim 1, further comprising a second linear array of LEDs positioned along the peripheral surface of the straight rod. 6. The illumination system of claim 1, wherein the straight rod comprises one of a single crystal Ce:YAG and a sintered ceramic Ce:YAG. 7. The illumination system of claim 1, wherein the straight rod comprises a luminescent material selected from: Lu3Al5O12:Ce3+; Y3Al5O12:Ce3+; Y3Al4.8Si0.2O11.8N0.2:Ce3+; Sr2Si5N8:Eu3+; SrSi2N2O2:Eu2+; SrGa2S4:Eu2+; SrBaSiO4:Eu2+; CaS:Eu2+; SrS:Eu2+; CaAlSiN3:Eu2+; CaAl1.04Si0.96N3:Ce3+; and Ca0.75Si8.625Al3.375N0.625:Eu0.25. 8. The illumination system of claim 1, wherein the straight rod comprises a luminescent material selected from: (Lu1-x-y-a-bYxGdy)3(Al1-z-cGazSic)5O12-cN:CeaaPrb with 0

이 특허에 인용된 특허 (148) 인용/피인용 타임라인 분석

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Jensen Holger (Hvidovre OH DKX) Scott Steve M. (Cincinnati OH), Wide angle rear projection lenticular lens system.
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이 특허를 인용한 특허 (5) 인용/피인용 타임라인 분석

Xue, Yinyan; Li, Dejun; Yang, Yang, Backlight module and display device.
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Mendre, Robert, Illuminated bottle rack.
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Jaffe, Claudia B.; Jaffe, Steven M., Solid state light source with hybrid optical and electrical intensity control.
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Jurik, Pavel; Valchar, Josef, Special flower effects beam and washlight luminaire.
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Jurik, Pavel; Valchar, Josef, Wash light luminaire with special effects capabilities.
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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

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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[미국특허] Light emitting diode illumination system 원문보기

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이 특허에 인용된 특허 (148) 인용/피인용 타임라인 분석

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[미국특허] Light emitting diode illumination system 원문보기

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대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허에 인용된 특허 (148) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (5) 인용/피인용 타임라인 분석

활용도 분석정보

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