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Optical film and liquid crystal display device using the film 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02F-001/1343
출원번호 US-0121657 (1993-09-14)
우선권정보 JP-0246225 (1992-09-16)
발명자 / 주소
  • Suzuki Masaru (Yamato JPX) Hanzawa Fumihisa (Sagamihara JPX) Mogi Manabu (Yamato JPX)
출원인 / 주소
  • International Business Machines Corporation (Armonk NY 02)
인용정보 피인용 횟수 : 147  인용 특허 : 9

초록 ▼

The liminance within the viewing angle of an LCD device is increased by using an optical film of transparent material. The film has a first surface having a wave structure including a plurality of isosceles triangle prisms arranged side-by-side, and a second surface having an optically rough structu

대표청구항 ▼

A liquid crystal display device including a liquid crystal display panel and a back light device, said back light device comprising: a light source for emitting light; a light guide means having a top surface facing a back surface of said liquid crystal display panel and a side surface receiving sai

이 특허에 인용된 특허 (9)

  1. Tai Chen-Yu (Toledo OH) Zou Han (Toledo OH) Chen Zhan (Toledo OH), Backlighting assembly utilizing microprisms and especially suitable for use with a liquid crystal display.
    상세보기
  2. Kashima Keiji (Kanagawa JPX) Shoji Osamu (Tokyo JPX) Yoshida Naoki (Kanagawa JPX), Backlighting device.
    상세보기
  3. Ohe Makoto (Tokyo JPX), Light diffusing device.
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  4. Dreyer ; Jr. John F. (St. Paul MN) Strand Neal T. (St. Paul MN), Light fixture providing normalized output.
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  6. Abileah Adiel (Farmington Hills MI), Night vision goggle compatible liquid crystal display device.
    상세보기
  7. Ogino Masanori (Yokohama JPX), Rear projection apparatus.
    상세보기
  8. Akiyama Masahiko (Kawasaki JPX) Suzuki Kouji (Yokohama JPX) Tominaga Mamoru (Kawagoe JPX), Transmission liquid crystal display apparatus.
    상세보기
  9. Ooi Yoshiharu (Yokohama JPX) Gunjima Tomoki (Yokohama JPX) Hirai Yoshinori (Yokohama JPX), Transparent-scattering type optical device including a prism with a triangular longitudinal cross section.
    상세보기

이 특허를 인용한 특허 (147)

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