Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – Alignment layer of specified composition
Reexamination Certificate
2011-06-07
2011-06-07
Hon, Sophie (Department: 1798)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
Alignment layer of specified composition
C428S001330, C349S127000, C252S299680
Reexamination Certificate
active
07955665
ABSTRACT:
The present invention provides a photoalignment film composition containing a compound represented by general formula (1) and a compound having a hydrophilic group and a (meth)acryloyloxy group, an optically anisotropic medium using a photoalignment film comprised of the photoalignment film composition, and a method for preparing thereof:(wherein, R1and R2respectively and independently represent a hydrogen atom, halogen atom, carboxyl group or alkali metal salt thereof, halogenated methyl group, halogenated methoxy group, cyano group, nitro group, —OR5, hydroxylalkyl group having 1 to 4 carbon atoms, —CONR6R7or methoxycarbonyl group, and R3and R4respectively and independently represent a carboxyl group or alkali metal salt thereof, sulfo group or alkali metal salt thereof, nitro group, amino group, carbamoyl group, alkoxycarbonyl group, sulfamoyl group or hydroxyl group).
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International Search Report of PCT/JP2006/322455; date of mailing Jan. 23, 2007.
Hatsusaka Kazuaki
Kawamura Joji
Kuwana Yasuhiro
Nishiyama Isa
DIC Corporation
Hon Sophie
Westerman Hattori Daniels & Adrian LLP
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