Pixel-by-pixel local dimming for high-dynamic-range liquid crystal displays

被引：53
|
作者：
Chen, Haiwei [1 ]
Zhu, Ruidong [1 ]
Li, Ming-Chun [2 ]
Lee, Seok-Lyul [2 ]
Wu, Shin-Tson [1 ]
机构：
[1] Univ Cent Florida, Coll Opt & Photon, Orlando, FL 32816 USA
[2] AU Optron Corp, Hsinchu Sci Pk, Hsinchu 300, Taiwan
来源：
OPTICS EXPRESS | 2017年 / 25卷 / 03期
关键词：
ERROR SPLITTING ALGORITHM; LCD; CONSTANT;
D O I：
10.1364/OE.25.001973
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a high dynamic range (HDR) liquid crystal display (LCD) with pixellevel local dimming. The device structure consists of a pixelated LCD dimming panel to control the backlight intensity entering the master LCD panel. According to our analysis and test cell experiment, this dual-panel display system possesses exceedingly high contrast ratio (> 1,000,000: 1) and high bit-depth (> 14 bits) at merely 5 volts. Meanwhile, to mitigate the Moire effect induced by the cascaded thin-film transistor (TFT) backplanes, we separate the two LCD panels with a polarization-dependent scattering film. The pros and cons of this HDR display are discussed. (C) 2017 Optical Society of America
引用
收藏
页码：1973 / 1984
页数：12
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