Liquid crystal aligning agent, liquid crystal display device and fabricating method thereof
A technology of liquid crystal display element and liquid crystal aligning agent, which is applied in liquid crystal materials, chemical instruments and methods, optics, etc., can solve the problems of large amount of ultraviolet radiation, inability to exclude display properties, voltage retention properties, and no record of reactive mesogens. , to achieve the effect of excellent vertical orientation, excellent display properties and excellent long-term stability
Active Publication Date: 2010-08-25
JSR CORPORATIOON
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However, in Non-Patent Document 1, there is no reference at all about what amount of reactive mesogen should be used, and the necessary amount of ultraviolet irradiation is still large, and problems with display properties, especially voltage retention properties cannot be ruled out.
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Abstract
This invention relates to a liquid crystal aligning agent, liquid crystal display device and fabricating method thereof. Said liquid crystal aligning agent can form vertical aligning property and has an excellent long stability property, besides, a well voltage keep characteristic when being exposured to heating and light for a long time in most case, also has good photogene property than that of the liquid crystal aligning film. Said liquid crystal aligning agent contains (A) organopolysiloxane(1)that is hydrolytically condensated from silanizated compounds, RISI(ORII)3.(1)(in formula (1), RIrepresnts monad organic group with(methyl)acryloyl oxy,RII represnts monad organic group) and (B) chosen from at least a polymer in polyamide acid and polyesterimide groups.
Description
technical field The present invention relates to a liquid crystal aligning agent, a liquid crystal display element and a manufacturing method thereof. Background technique At present, as a liquid crystal display element, a TN type liquid crystal display element with a so-called TN type (Twisted Nematic, twisted nematic) liquid crystal cell is known, and a liquid crystal alignment film is formed on a substrate surface provided with a transparent conductive film, as a liquid crystal display element. The substrates are arranged opposite to each other, and a nematic liquid crystal layer with positive dielectric anisotropy is formed in the gap to form a cell with a sandwich structure. The long axis of the liquid crystal molecules is continuous from one substrate to the other. twisted 90 degrees. In addition, recently, STN (Super Twisted Nematic, super twisted nematic) type liquid crystal display element with higher contrast than TN type liquid crystal display element and IPS (In...
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IPC IPC(8): C09K19/56G02F1/1337
CPCC08L83/04
Inventor 吉泽纯司白土香织
Owner JSR CORPORATIOON
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