Liquid crystal aligning agent, forming liquid crystal aligning film, and liquid crystal display unit
A technology of liquid crystal alignment agent and liquid crystal alignment film, which is applied in liquid crystal materials, chemical instruments and methods, optics and other directions to achieve the effect of excellent performance
Active Publication Date: 2010-08-25
JSR CORPORATIOON
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Problems solved by technology
This technology, when applied to a liquid crystal display element with a VA-type liquid crystal cell, is an excellent technology that can easily and inexpensively form a liquid crystal alignment film with expected performance. When using the liquid crystal display element of the type liquid crystal cell, the liquid crystal orientation may not be called good enough
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Abstract
This invention relates to a liquid crystal aligning agent, a liquid crystal aligning film and liquid crystal display device. A liquid crystal aligning agent of said liquid crystal aligning film with excellent liquid crystal aligning property and electrical property, etcs. is formed by means of providing a light aligning method having less light exposure. Said liquid crystal aligning agent contains radiation sensitivity organopolysiloxane that is represented by specific groups indicated by followed formal, where asterisk indicates a chemical bond . The liquid crystal aligning agent of this invention is suit for a liquid crystal display unit with TN type,STN type or IPS type liquid crystal cell, especially a liquid crystal display unit with IPS type liquid crystal cell.
Description
technical field The invention relates to a liquid crystal aligning agent, a liquid crystal aligning film and a liquid crystal display element. Background technique So far, it is known that a nematic liquid crystal having positive dielectric anisotropy is sandwiched between substrates with transparent electrodes having a liquid crystal alignment film, and the long axes of liquid crystal molecules are continuously twisted between the substrates as required. 0~360° TN type (twisted nematic) and STN (super twisted nematic) type, IPS (in-plane switching) type in which electrodes are only formed on one side of the substrate and an electric field is applied in a direction parallel to the substrate, with a negative Liquid crystal display elements of various liquid crystal cells such as VA (vertical alignment) type of nematic liquid crystal with dielectric anisotropy (see Patent Documents 1 to 4). A liquid crystal display device having an IPS type liquid crystal cell among the above...
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IPC IPC(8): C09K19/56C08G77/38G02F1/1337
CPCC08L83/04
Inventor 安田博幸永尾隆秋池利之角谷宪一
Owner JSR CORPORATIOON
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