Liquid crystal aligning agent

Details Liquid crystal aligning agent Liquid crystal aligning agent

2006-10-17

2006-10-17

Wu, Shean C. (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C428S001250, C428S001260, C428S001270, C252S299400, C349S130000

Reexamination Certificate

active

07122226

ABSTRACT:
To provide a liquid crystal aligning agent which can provide a liquid crystal display element having a liquid crystal alignment film provided with alignability for liquid crystal molecules by rubbing without fail and having excellent liquid crystal alignability. The liquid crystal aligning agent comprises at least one selected from a polyamic acid having a specific structure having 2 or 3 rings, and an imidized polymer of the polyamic acid and further having alkyl group having the main chain with 8 or more carbon atoms, perfluoroalkyl group having the main chain with 3 or more carbon atoms, or 1,1-cycloalkylene group having 6 or more carbon atoms which may be substituted.

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