Varnish composition and liquid-crystal display element

Details Varnish composition and liquid-crystal display element Varnish composition and liquid-crystal display element

2005-09-27

2005-09-27

Huff, Mark F. (Department: 1756)

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C524S104000, C252S299010

Reexamination Certificate

active

06949281

ABSTRACT:
An object of the present invention is to provide a varnish composition which can achieve totally and with good balance the improvement in various properties including electrical properties such as residual charge, a voltage holding ratio and image sticking, a pre-tilt angle, coating property, alignment property, and so on, which are desired for a liquid crystal aligning film formed. The varnish composition comprises polymer ingredients containing polyamic acid B represented by formula (1), polyamic acid A represented by formula (2) having a side chain of not less than 3 carbon atoms and N-substituted polyamide represented by formula (3), and a solvent for dissolving the polymer ingredients. The varnish composition contains 0.1 to 40% by weight of the polymer ingredients

REFERENCES:
patent: 5783656 (1998-07-01), Kimura et al.
patent: 5907005 (1999-05-01), Shimizu
patent: 7-286134 (1995-10-01), None
patent: 3-246515 (1999-09-01), None
patent: 11-264981 (1999-09-01), None

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