[특허]Flat panel display lighting system

Flat panel display lighting system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F21V-008/00
출원번호	US-0095753 (1993-07-20)
발명자 / 주소	Ciupke Werner W. (Sonoma County CA) Redmond William F. (Sonoma County CA) DuNah Richard E. (Sonoma County CA)
출원인 / 주소	Precision Lamp, Inc. (Cotati CA 02)
인용정보	피인용 횟수 : 135 인용 특허 : 0

초록 ▼

A flat panel display lighting system is disclosed wherein a thin, flat light guide has two spaced major surfaces with light introduced into one edge of the guide. Light is extracted from the light guide by the facets in a plurality of parallel microgrooves disposed to intersect the light introduced

대표청구항 ▼

A thin, large-area lighting system comprising: a thin, transparent, rectangular light guide having first and second parallel major surfaces, said first major surface having a plurality of uniform, spaced v-shaped parallel microgrooves each extending continuously across a substantial portion of said first major surface and a plurality of planar surface portions between said microgrooves, said light guide having a uniform thickness, said microgrooves having a longitudinal axis; means for introducing light into said light guide from at least one edge in a direction generally perpendicular to said longitudinal axis of said microgrooves, said microgrooves having surfaces which form an angle with respect to the first major surface which, when taken together with the index of refraction of the material of said light guide, internally reflects substantially all the light striking said surfaces of said microgrooves toward the second major surface at a first angle of incidence for emission from said second major surface, said planar surface portions being configured for internally reflecting a substantial portion of light striking said planar surface portions toward said second major surface at a second angle of incidence for internal reflection by said second major surface along said light guide.

이 특허를 인용한 특허 (135)

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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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