Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate
2007-11-15
2010-12-28
Berman, Susan W (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
C522S042000, C522S079000, C522S084000, C522S085000, C522S121000, C428S001500
Reexamination Certificate
active
07858669
ABSTRACT:
There is provided a novel composition for an alignment film having excellent adhesiveness to a liquid crystal layer as well as to a substrate when a cycloolefin-based aligned film (COP) is used as the substrate instead of triacetyl cellulose (TAC) that is used as a conventional substrate for an optical film whose optical properties are significantly deteriorated when it is used under hot and humid environments. The composition for an alignment film that is used for splay alignment includes polyvinyl alcohol (PVA); 13 to 25% by weight of an aery late monomer based on the weight of the polyvinyl alcohol; 20 to 30 % by weight of a compatibilizing agent based on the weight of the acrylate monomer; and 10 to 50% by weight of an aqueous photo initiator based on the weight of the acrylate monomer.
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Park Moon-Soo
Shin Du-Hyun
Yoon Hyuk
Berman Susan W
LG Chem Ltd.
McKenna Long & Aldridge LLP
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