Control of gray scale inversion in a film-compensated twisted nematic liquid crystal display using beam steering optical film

被引：12
|
作者：
Park, Chi Hyuk [1 ]
Lee, Seung Hee
Jeong, Jinkwan
Kim, Kyoung Jin
Choi, Hyun Chul
机构：
[1] Chonbuk Natl Univ, Sch Adv Mat Engn, BK21 Polymer BIN Fus Res Team, Chonju 561756, Chonbuk, South Korea
[2] LG Philips LCD, Kumi 730726, Kyungbook, South Korea
来源：
APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 10期
关键词：
WIDE-VIEWING-ANGLE;
D O I：
10.1063/1.2345248
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Commercially available, twisted nematic (TN), liquid crystal cells have intrinsic problems such as light leakage in the dark state, gray scale inversion, and brightness nonuniformity in gray scales when the viewing direction deviates from the normal axis. Film compensation of a TN cell has solved the first problem but the second remains unsolved, which has hindered its applications to large displays. This letter proposes the use of a beam steering film to prepare a TN cell free of gray scale inversion in wide viewing directions. (c) 2006 American Institute of Physics.
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页数：3
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