专利汇可以提供Method for liquid crystal orientation专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain an orientation film where the stability against heat and aging is improved, by using poly(p-phenylane-bis(1,1-dimethylpentamethylene) pyromellitimide). CONSTITUTION:A solution where poly(p-phenylene-bis(1,1-dimethylpentamethylene)pyromellitimide) shown by the formula indicated (n is a positive integer) is dissolved in a solvent of m-cresol or the like is coated on an electrode substrate with transparent electrodes formed and is dried. A pair of electrode substrate where this coating film is provided are rubbed with a cloth in one direction to perform the orientation treatment. Cells are so assembled that their directions of rubbing are orthogonal to each other, and a biphenyl type nematic liquid crystal having a positive dielectric anisotropy is sealed. Polarizing films are so stuck to both outside faces of cells that polarization directions of these polarizing films are parallel with directions of rubbing on adjacent substrates, thus obtaining a display device.,下面是Method for liquid crystal orientation专利的具体信息内容。
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