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Liquid crystal display with a plurality of phase difference plates the slow axes of which form an angle of 20 to 40 degrees
Liquid crystal display with a plurality of phase difference plates the slow axes of which form an angle of 20 to 40 degrees
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机译:具有多个相差板的液晶显示器,其慢轴形成20至40度的角度
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摘要
In a supertwist type liquid crystal display device using a supertwist type liquid crystal display cell and an optical compensation plate made of phase difference plates of uniaxial oriented polymer film, the phase difference plates include more than two phase difference plates laminated and disposed on one side or both sides of the liquid crystal display cell with various suitable disposition conditions, so that the whiteness level of the display can be improved. In one example, they are placed so that the retardation value of each of the phase difference plates is added and a cross angle between the slow axis of the first phase difference plate and the slow axis of the nth phase difference plate is 20° to 40. degree., and a further cross angle between the slow axis of the first phase difference plate and the rubbing axis of the substrate adjacent to the liquid crystal display cell is in a range from 70° to 90. degree..
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