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PRODUCTION OF TWISTED ORIENTATION PHASE DIFFERENCE PLATE, ELLIPTICAL POLARIZATION PLATE USING PHASE DIFFERENCE PLATE PRODUCED BY THAT METHOD, AND LIQUID CRYSTAL DISPLAY DEVICE
PRODUCTION OF TWISTED ORIENTATION PHASE DIFFERENCE PLATE, ELLIPTICAL POLARIZATION PLATE USING PHASE DIFFERENCE PLATE PRODUCED BY THAT METHOD, AND LIQUID CRYSTAL DISPLAY DEVICE
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机译:扭曲取向相差板的制造,使用该方法制造的相差板的椭圆偏振化板以及液晶显示装置的制造
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摘要
PROBLEM TO BE SOLVED: To provide a production method of an inexpensive twisted orientation phase difference plate excellent in productivity by which thickness of a film can be easily controlled. ;SOLUTION: (a) A soln. prepared by uniformly dissolving a nonliquid crystal polymer and a thermotropic liquid crystal polymer which can be oriented in a twisted nematic state in a solvent, or (b) a soln. prepared by uniformly dissolving a thermotropic liquid crystal polymer which can be oriented in a nematic state, a chiral agent and a nonliquid crystal polymer in a solvent is uniformly applied on a smooth surface and the solvent is dried. After the solvent is dried, the liquid crystal is oriented in a twisted nematic state by heat treatment at temp. higher than the temp. the liquid crystal polymer develops the liquid crystal phase.;COPYRIGHT: (C)1997,JPO
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