Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – Alignment layer of specified composition
Reexamination Certificate
2005-09-20
2005-09-20
Huff, Mark F. (Department: 1756)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
Alignment layer of specified composition
C428S001100, C428S001200
Reexamination Certificate
active
06946169
ABSTRACT:
The present invention provides a liquid crystal display element having an adequate pre-tilt angle for preventing the reverse domain, as well as excellent electrical properties by preparation of the polyamic acid composition for the liquid crystal display element comprises a polyamic acid A that excels in electrical properties and a polyamic acid B that has side chains, mixed in the ratio A/B of 50/50 to 95/5 (by weight).
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Ito Kazumi
Murata Shizuo
Shimizu Itsuo
Tanioka Satoshi
Chisso Corporation
Huff Mark F.
McDermott Will & Emery LLP
Sadula Jennifer R
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