35.3: Improvement of Transmitted Light Efficiency in SH‐LCDs Using Quarter‐Wave Retardation Films

Autor:	Yasuo Toko, Yasufumi Iimura, H. Hiramoto, Yoshihisa Iwamoto
Rok vydání:	2000
Předmět:	Liquid-crystal display Optics Materials science law business.industry Transmitted light Optoelectronics business law.invention
Zdroj:	SID Symposium Digest of Technical Papers. 31:902-905
ISSN:	2168-0159 0097-966X
DOI:	10.1889/1.1833101
Popis:	For improving the transmitted light efficiency we have theoretically and experimentally studied mulit-domain Super-Homeotropic (SH) LCDs combined with two •/4 retardation films. As a result, the transmitted light efficiency of the LCD panel is improved up to 1.6 times that of a conventional SH panel, so that the steepness of the electro-optical characteristics is also improved. We then show that the further improvement of the efficiency can be achieved by using a cholesteric film and the obtaioned final improvement in the transmitted light efficiency is about 2 times that of conventional SH panel.
Databáze:	OpenAIRE
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