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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Light diffusing device

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G02B-026/02    G02B-017/00   
미국특허분류(USC) 350/321 ; 40/448 ; 362/31 ; 362/26
출원번호 US-0729361 (1985-05-01)
우선권정보 JP-0176758 (1984-08-27)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 85  인용 특허 : 4
초록

A light diffusing device is disclosed for an edge lighted panel wherein the device includes a thin transparent light transmitting base plate, a light diffusing layer formed on a front surface of the base plate and a light reflection surface formed in the vicinity of the rear surface of the base plate. The base plate and the light diffusing layer are integrally bonded together through an intermediate layer formed between the base plate and the light diffusing layer.

대표
청구항
▼

A light diffusing device comprising: a transparent light transmitting base plate wherein at least one edge face of said base plate is a light incident face; a light diffusing layer formed on at least a first surface of said base plate wherein said light diffusing layer comprises a polymer product prepared by multi-stage polymerization of an alkyl methacrylate as a component; a light reflection surface formed in the vicinity of a second surface of said base plate; an intermediate layer formed between said base plate and said light diffusing layer to integ...

이 특허에 인용된 특허 (4)

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  3. Tachihara Noribumi (Tokyo JA) Mizohata Yukio (Kawagoe JA) Makita Jun-ichi (Tokorozawa JA). Light diffusing device. USP1977114059916.
  4. Decaux Jean-Claude (Paris FRX). Luminous edge lighted device. USP1981024249231.

이 특허를 인용한 특허 피인용횟수: 85

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