17 June 1998 Frame-sequential miniature silicon display using mixed-mode twisted nematic liquid crystal
Author Affiliations +
Proceedings Volume 3421, Display Technologies II; (1998) https://doi.org/10.1117/12.311044
Event: Asia Pacific Symposium on Optoelectronics '98, 1998, Taipei, Taiwan
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.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ho-Chi Huang, Ho-Chi Huang, Po-Wing Cheng, Po-Wing Cheng, HoiSing Kwok, HoiSing Kwok, "Frame-sequential miniature silicon display using mixed-mode twisted nematic liquid crystal", Proc. SPIE 3421, Display Technologies II, (17 June 1998); doi: 10.1117/12.311044; https://doi.org/10.1117/12.311044


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