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Frame sequential miniature silicon display using mixed-mode twisted nematic liquid crystal

Authors Huang, H.-C.
Cheng, P.-W.
Kwok, H.-S.
Issue Date 1998
Source Proceedings of SPIE - The International Society for Optical Engineering , v. 3421, 1998, p. 53-61
Summary We present a mixed-mode twisted nematic (MTN) silicon display integrated with 4-bit digital data drivers. With high bandwidth of the digital data driver, pixel access time of less than 10 ns was achieved. Digital gray-scale addressing technique, which utilizes multiple fields per frame, synchronous field voltages and weighted field time, was applied to increase gray scale from 4 to 8 bits. Chromatic characterization of the display using 3-color-in-1 LED as light source was performed. Contrast ratios on pixel array were 49, 32 and 21, respectively, for red, green and blue colors at 3 V root-mean-squared voltage. It was observed that frame inversion gave rise to higher contrast ratio, while column inversion was less color dispersive. Using color sequential technique, we have demonstrated 4 bits per color for this highly integrated MTN display.
ISSN 0277-786X
ISBN 0-8194-2875-2
Rights Copyright 1998 Society of Photo-Optical Instrumentation Engineers. This paper was published in Display Technologies II, Fang-Chen Luo, Shin-Tson Wu, Shunsuke Kobayashi, Editors, Proceedings of SPIE Vol. 3421, p. 53-61 (1998) and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Language English
Format Conference paper
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