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Proceedings Paper

Wide-viewing angle IPS-LCD for TV applications using optical compensation technology
Author(s): D. Kajita; I. Hiyama; U. Utsumi; M. Ishii; K. Ono
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Paper Abstract

The viewing angle performance in IPS-LCDs has been greatly improved, by using two technologies. One is optical compensation technology using a biaxial film. The other is the newly developed IPS-Pro cell structure with its higher transmission efficiency. These technologies have been successfully introduced into the fabrication of 32-inch IPS-LCDs with a minimum contrast ratio of over three times that of the conventional and with a color saturation (area ratio to NTSC at CIE1931 xy chromaticity coordinates) of over 70 % at almost all viewing angles.

Paper Details

Date Published: 23 February 2006
PDF: 10 pages
Proc. SPIE 6135, Liquid Crystal Materials, Devices, and Applications XI, 613502 (23 February 2006); doi: 10.1117/12.648317
Show Author Affiliations
D. Kajita, Hitachi, Ltd. (Japan)
I. Hiyama, Hitachi, Ltd. (Japan)
U. Utsumi, Hitachi, Ltd. (Japan)
M. Ishii, Hitachi Displays, Ltd. (Japan)
K. Ono, Hitachi Displays, Ltd. (Japan)


Published in SPIE Proceedings Vol. 6135:
Liquid Crystal Materials, Devices, and Applications XI
Liang-Chy Chien, Editor(s)

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