Optically compensated circular polarizers for liquid crystal displays

被引：6
|
作者：
Lin, Chi-Huang [1 ]
机构：
[1] Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung 80424, Taiwan
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 17期
关键词：
D O I：
10.1364/OE.16.013276
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An optical compensation principle of the crossed circular polarizers is developed to widen the viewing angle of high-transmittance multi-domain vertical-alignment liquid crystal displays ( MVA-LCDs). The optical properties of a biaxial film are analyzed by the Berreman 4 x 4 matrix method, and the analytical solution for the slow-axis orientation of a biaxial film is calculated to obtain the compensation principle of the crossed circular polarizers. Based on this compensation principle, the high-transmittance MVA-LCD theoretically has a complete 80 degrees viewing cone for contrast ratio ( CR)> 100: 1 and experimental results reveal that the compensated high-transmittance MVA-LCD can achieve a viewing angle of over the entire 80 degrees viewing cone for CR> 20: 1. Practical application as a mobile display is emphasized. (C) 2008 Optical Society of America.
引用
收藏
页码：13276 / 13286
页数：11
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