Liquid crystal display

Details Liquid crystal display Liquid crystal display

2008-11-20

2009-10-06

Sample, David R (Department: 1794)

Liquid crystal cells, elements and systems

Nominal manufacturing methods or post manufacturing...

C428S001200, C349S124000, C349S135000, C156S242000

Reexamination Certificate

active

07599041

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 there between.

REFERENCES:
patent: 6153272 (2000-11-01), Kim et al.
patent: 2002/0085153 (2002-07-01), Choi et al.
patent: 2003/0058210 (2003-03-01), Yamazaki et al.
patent: 2003/0232930 (2003-12-01), Gibbons et al.
Remarks dated Oct. 27, 2008 in parent U.S. Appl. No. 10/587,140, Sawatari et al.
Remarks dated Oct. 27, 2008 in copending U.S. Appl. No. 10/587,069, Sawatari et al.
Affidavit dated Dec. 4, 2008 in parent U.S. Appl. No. 10/587,140, Sawatari et al.
Affidavit dated Dec. 4, 2008 in copending U.S. Appl. No. 10/587,069, Sawatari et al.

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