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发明授权
CN106753430B 液晶取向剂、液晶取向膜及其制作方法以及包含其的液晶显示装置 有权

液晶取向剂、液晶取向膜及其制作方法以及包含其的液晶显示装置
摘要：
本发明涉及一种液晶取向剂、液晶取向膜及其制作方法以及包含其的液晶显示装置，所述液晶取向剂包括如下组分：(i)具有光反应基团且不具有液晶性基团的聚酰胺酸；(ii)具有液晶性基团且不具有光反应基团的聚酰胺酸；(iii)同时具有液晶性基团和光反应基团的聚酰胺酸；(iv)不具有光反应基团且同时不具有液晶性基团的聚酰胺酸。使用本发明提供的包含所述液晶取向剂所形成的液晶取向膜的液晶显示装置具有较高的对比度，且改善了AC残像。
摘要（英）：

The present application relates to a liquid crystal aligning agent, a liquid crystal alignment film and a method for producing the same, as well as a liquid crystal display device. The liquid crystal aligning agent comprises (i) a first polyamic acid having a photoreactive group without a liquid crystal group; (ii) a second polyamic acid having a liquid crystal group without a photoreactive group; (iii) a third polyamic acid having both a liquid crystal group and a photoreactive group; (iv) a fourth polyamic acid having neither a photoreactive group nor a liquid crystal group. The liquid crystal display device using the liquid crystal alignment film formed by the liquid crystal aligning agent provided by the present disclosure has a high display contrast and an improved AC residual image.

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