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Image projection display screen employing polymer dispersed liquid crystal layer and electrochromic layer 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02F-001/13
  • G02F-001/15
  • G03B-021/60
출원번호 US-0094042 (1993-07-16)
우선권정보 FR-0014403 (1991-11-22)
국제출원번호 PCT/FR92/01078 (1992-11-20)
§371/§102 date 19930716 (19930716)
국제공개번호 WO-9310481
발명자 / 주소
  • Loiseaux Brigitte (Villebon Sur Yvette FRX) Robin Philippe (Bourg La Reine FRX) Oppenlander Andras (Bourg La Reine FRX) Huignard Jean-Pierre (Paris FRX)
출원인 / 주소
  • Thomson-CSF (Puteax FRX 03)
인용정보 피인용 횟수 : 73  인용 특허 : 0

초록 ▼

A diffusing display screen resulting from the combination of a cell comprising a polymer dispersed liquid crystal material which can be made diffusing, and of a cell comprising an electrochromic material which can be made absorbing and reflecting. Outside the operating mode, the display screen accor

대표청구항 ▼

A diffusing display screen comprising a combination of a cell (C1) which comprises a polymer film (P) having an optical index np, in which are dispersed microballs which are oblong in shape, the larger axis thereof being laid out in parallel to the plane of the film, wherein said microballs contain

이 특허를 인용한 특허 (73)

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