The Journal of The Institute of Image Information and Television Engineers
Online ISSN : 1881-6908
Print ISSN : 1342-6907
17-in. Video-Rate Full-Color FLCD
N. ItohH. AkiyamaY. KawabataM. KodenS. MiyoshiT. NumaoM. ShigetaM. SuginoM. J. BradshawC. V. BrownA. GrahamS. D. HaslamJ. R. HughesJ. C. JonesD. G. McDonnellA. J. SlaneyP. BonnettP. A. GassE. P. RayensD. Ulrich
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Volume 53 (1999) Issue 8 Pages 1136-1141

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Abstract

A 17-in. video rate full color Ferroelectric Liquid Crystal Display (FLCD) with 720×916 dots, using τ-Vmin mode was developed. The full color moving images with 256 gray levels for each color was displayed by the digital gray scale method combining 2 bits spatial dither and 4 bits temporal dither. The response speed of FLC material is very fast (12μs/line) and the 4 bits temporal dither with video rate scanning was realized. The FLCD shows a contrast ratio of 60 : 1, a wide viewing angle due to the in-plane switching, and strong shock stability (20 kg/cm2) due to the spacer walls structure. This paper presents a high potential of FLCD for the large-size direct-view video-rate full-color simple-passive-matrix flat panel display.

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