Liquid crystal alignment agent, and liquid crystal alignment film and liquid crystal display element formed from the liquid crystal alignment agent

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United States of America Patent

PATENT NO 8962739
APP PUB NO 20120289633A1
SERIAL NO

13467811

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Abstract

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A liquid crystal alignment agent includes a polyamic acid dispersion and a polyimide dispersion. Viscosity of the polyamic acid dispersion and viscosity of the polyimide dispersion satisfy the following relationship:

description='In-line Formulae' end='lead'VA-2−VA-1≧4 cpsdescription='In-line Formulae' end='tail'

    whereinVA-2 is viscosity of the polyimide dispersion measured at a solid content of 6 wt % at a temperature of 25° C., andVA-1 is viscosity of the polyamic acid dispersion measured at a solid content of 6 wt % at a temperature of 25° C.

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Patent Owner(s)

Patent OwnerAddress
CHI MEI CORPORATIONNO 59-1 SAN CHIA JEN TE TAINAN CITY 71702

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liang, Yu-Hao Kaohsiung, TW 7 22

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