Liquid crystal cells – elements and systems – Nominal manufacturing methods or post manufacturing...
Reexamination Certificate
2006-11-21
2009-06-09
Healy, Brian (Department: 2883)
Liquid crystal cells, elements and systems
Nominal manufacturing methods or post manufacturing...
C349S129000, C349S130000, C349S177000
Reexamination Certificate
active
07545476
ABSTRACT:
A method for manufacturing a substrate of a flat panel display device is disclosed. The method includes following steps: providing a substrate having patterned transparent electrode thereon; and forming an alignment layer on the surface of the transparent electrode. The formed alignment layer includes a homeotropic alignment film and a homogeneous alignment film adjacent to the homeotropic alignment film. Moreover, the homeotropic alignment film is formed utilizing printing on or on a periphery of to the homogeneous alignment film. Through this method, the flat panel display device can be manufactured without increasing the quantity of the mask cycles, and without a complex process of gradation exposure. Moreover, the problem resulted from multiple rubbing can be reduced, and the cost for manufacturing can be decreased.
REFERENCES:
patent: 2003/0133065 (2003-07-01), Okada et al.
patent: 2003/0142256 (2003-07-01), Maeda et al.
patent: 7253578 (1995-10-01), None
AU Optronics Corporation
Bacon & Thomas PLLC
Healy Brian
Mooney Michael P
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