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Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light so 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02F-001/1335
  • G01D-011/28
  • F21V-007/04
출원번호 US-0199721 (1994-02-22)
발명자 / 주소
  • Qiao Yong (Sonoma County CA) Redmond William F. (Sonoma County CA) Dunah Richard E. (Sonoma County CA) Ciupke Werner W. (Sonoma County CA)
출원인 / 주소
  • Precision Lamp, Inc. (Cotati CA 02)
인용정보 피인용 횟수 : 137  인용 특허 : 0

초록 ▼

A lighting panel providing uniform illumination is described. The panel includes a transparent light guide which has a faceted grooved major surface and a parallel planar surface. The lighting panel introduces light into one end of the light guide. The facets facing the light source are inclined so

대표청구항 ▼

A lighting panel comprising a uniformly thin transparent optical guide having parallel end, surfaces, parallel side surfaces, first and second major surfaces and a light source for projecting light into said light guide through one of said end surfaces characterized in that: one of said major surfac

이 특허를 인용한 특허 (137)

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