Liquid crystal cells – elements and systems – Nominal manufacturing methods or post manufacturing... – Sealing of liquid crystal
Reexamination Certificate
2006-06-30
2009-10-13
Le, Uyen Chau N (Department: 2874)
Liquid crystal cells, elements and systems
Nominal manufacturing methods or post manufacturing...
Sealing of liquid crystal
C349S153000
Reexamination Certificate
active
07602469
ABSTRACT:
A method for manufacturing a liquid crystal display device includes preparing a lower substrate and an upper substrate; depositing a sealant on one of the two substrates; dropping a liquid crystal on one of the two substrates; bonding the two substrates to each other; bonding the two substrates to each other by hardening the sealant; and thermal quenching the two bonded substrates. Since thermal quenching of the two bonded substrates is additionally performed after hardening of the sealant is performed using a liquid crystal dropping method, orientation of a liquid crystal layer, which is scattered by the hardening of the sealant, is returned to its original state, thus preventing domain defects.
REFERENCES:
patent: 6459467 (2002-10-01), Hashimoto et al.
patent: 7450213 (2008-11-01), Kim et al.
patent: 7486375 (2009-02-01), Lee et al.
Bedtelyon John M
Le Uyen Chau N
LG Display Co. Ltd.
McKenna Long & Aldridge LLP
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