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Diffusively reflecting shield optically, coupled to backlit lightguide, containing LED's completely surrounded by the sh

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02F-011/335
  • G01D-011/28
  • F21V-007/04
출원번호 US-0878899 (1997-06-19)
발명자 / 주소
  • Millikan Bart D.
  • Petera Michael G.
출원인 / 주소
  • Three-Five Systems, Inc.
대리인 / 주소
    Titus
인용정보 피인용 횟수 : 124  인용 특허 : 11

초록

An LCD backlight (30) comprises generally rectangular parallelepiped light guide (36) with an exit aperture (31) that is smaller than the surface area light guide (36) and illuminates a LCD (49). The light guide is illuminated by a plurality of Light Emitting Diodes (LED) dies (32) disposed along at

대표청구항

[ What is claimed is:] [1.] Apparatus for backlighting a liquid crystal display, comprising:a light guide assembly, said light guide assembly comprising:a light guide comprising a generally rectangular parallelepiped of a transparent material having a first index of refraction, said light guide havi

이 특허에 인용된 특허 (11)

  1. Kashima Keiji (Kanagawa JPX) Yoshida Naoki (Kanagawa JPX), Back lighting device.
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  11. Williams Melanie (Deerfield Beach FL) Swirbel Thomas J. (Davie FL), Radiation sensitive adhesive composition and method of photoimagingsame.

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