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IEICE TRANSACTIONS on Electronics

Response Time Improvement of OCB Mode TFT-LCDs by Using Capacitively Coupled Driving Method

Kenji NAKAO, Shoichi ISHIHARA, Yoshinori TANAKA, Daiichi SUZUKI, Ichirou SATOU, Tsuyoshi UEMURA, Keisuke TSUDA, Noriyuki KIZU, Junichi KOBAYASHI

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Summary :

We have developed a super-fast response OCB (Optically self-Compensated Birefringence) mode TFT-LCD by using capacitively coupled driving method (CC driving method). Response time with this driving method has been improved by the twice or more compared with that of a conventionally driven TFT-LCD. Even at a low temperature, 0 degree, this panel can response within one field time, 16.7 ms, between every gray scale levels. We developed a prototype OCB mode LCD with newly designed compensation films, that achieved a wide viewing angle characteristic of 160 degrees horizontally and 140 degrees vertically under the condition of that the contrast ratio exceeds 10:1.

Publication
IEICE TRANSACTIONS on Electronics Vol.E84-C No.11 pp.1624-1629
Publication Date
2001/11/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Electronic Displays)
Category
Active Matrix Displays

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