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Proceedings Paper

Improvement of LCD viewing angles by negative-birefringence compensation films
Author(s): Hiap L. Ong
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Paper Abstract

The negative birefringence optical compensation films can be used to significantly improve the viewing angles of single- domain and multi-domain LCDs. This type of optical compensation films are being commercialized and are available from a few major polarizer and optical film manufacturers. Also, the negative birefringence compensation films have been used in several Asia and US TFT/LCD manufacturers and display system developers to improve the TN/LCD viewing angles. Most recently, there are three TFT/LCD panes with improved large viewing cone being commercialized with the use of the negative birefringence optical compensation films. These panels include: (1) US TFT/LCD vendors compensated single domain TFT/TN panels; (2) Sharp compensated 2-domain Super-V TFT/TN panels; and (3) Fujitsu super-wide compensated 4-domain vertical aligned TFT/VA panels. We review the status and major applications of the applications of negative birefringence compensation to TN, STN, vertically aligned LCDs, and parallel aligned LCDs.

Paper Details

Date Published: 17 June 1998
PDF: 6 pages
Proc. SPIE 3421, Display Technologies II, (17 June 1998); doi: 10.1117/12.311069
Show Author Affiliations
Hiap L. Ong, Kopin Corp. (United States)

Published in SPIE Proceedings Vol. 3421:
Display Technologies II
Fang-Chen Luo; Shin-Tson Wu; Shunsuke Kobayashi, Editor(s)

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