Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – Alignment layer of specified composition
Reexamination Certificate
2005-01-19
2009-06-30
Hendricks, Keith D (Department: 1794)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
Alignment layer of specified composition
C349S124000, C349S135000
Reexamination Certificate
active
07553525
ABSTRACT:
A liquid crystal display using a ferroelectric liquid crystal, which can give mono-domain alignment of the ferroelectric liquid crystal without forming alignment defects such as zigzag defects, hairpin defects and double domains and which is so remarkably good in alignment stability that the alignment thereof can be maintained even if the temperature of the liquid crystal is raised to the phase transition point or higher. The liquid crystal display has a ferroelectric liquid crystal sandwiched between two substrates, wherein an electrode and a photo alignment layer are each successively formed on opposite faces of the two substrates facing each other, and a constituent material of the respective photo alignment layer has a different composition with the ferroelectric liquid crystal sandwiched therebetween.
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Hama Hideo
Okabe Masato
Sawatari Naoko
Dai Nippon Printing Co. Ltd.
Hendricks Keith D
Hon Sophie
Ladas & Parry LLP
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