Vertically Aligned LCD is one of the most widely used optical modes in LCD TV and mobile devices. It is also a very important category of passive LC displays used in Automobiles. It has the advantages of perfect dark state and very high contrast ratio for normal viewing. However, single domain VA LCD has the intrinsic issue of dead zone (contrast vanishing zone) in certain viewing direction in the voltage‐on state, which seriously limits its viewing angle performance. Recently, the State Key Laboratory on Advanced Displays and Optoelectronics Technologies of the Hong Kong University of Science and Technology has developed an easy‐to‐apply multi‐domain VA LCD technology that can be readily implemented in LCD factories without major investment and change in current production process.
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Tang et al. (2024) studied this question.
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