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Wide-viewing angle in-plane switching liquid crystal displays for television applications using optical compensation technology

[+] Author Affiliations
Daisuke Kajita, Ikuo Hiyama, Yuka Utsumi

Hitachi Limited, Materials Research Laboratory, 7-1-1, Omika-cho, Hitachi, Ibaraki, 319-1292, Japan

Masahiro Ishii, Kikuo Ono

Hitachi Displays Limited, 3300, Hayano, Mobara, Chiba, 297-8622, Japan

J. Electron. Imaging. 17(1), 013019 (April 02, 2008). doi:10.1117/1.2898095
History: Received January 12, 2007; Revised September 05, 2007; Accepted September 07, 2007; Published April 02, 2008
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Viewing angle performance in in-plane switching liquid crystal displays (IPS-LCDs) has been greatly improved, using two technologies. One is optical compensation technology using a biaxial film. The other is a newly developed IPS-Pro cell structure with higher transmission efficiency. These technologies are successfully introduced into the fabrication of 32-in. IPS-LCDs with a minimum contrast ratio over three times that of conventional IPS-LCDs and with color saturation (area ratio to NTSC at CIE1931 xy chromaticity coordinates) of more than 70% at almost all viewing angles.

© 2008 SPIE and IS&T

Topics

LCDs

Citation

Daisuke Kajita ; Ikuo Hiyama ; Yuka Utsumi ; Masahiro Ishii and Kikuo Ono
"Wide-viewing angle in-plane switching liquid crystal displays for television applications using optical compensation technology", J. Electron. Imaging. 17(1), 013019 (April 02, 2008). ; http://dx.doi.org/10.1117/1.2898095


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