Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Patent
1997-02-11
1999-08-03
Dang, Hung X.
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
349154, G02F 11339
Patent
active
059332093
ABSTRACT:
The present invention provides a liquid crystal display device which is capable of improving moisture resistance of a liquid crystal injection port by preventing peeling of a sealant therein. The liquid crystal display device has a pattern for preventing peeling of a sealant which is provided, through an insulating film, in a contact portion between a TFT substrate and the sealant in the liquid crystal injection port by arranging ITO having higher adhesion to the sealant than that to a glass substrate as the TFT substrate in a predetermined pattern. This causes the ITO of the pattern for preventing peeling of the sealant to improve the adhesion between the sealant and the TFT substrate in the liquid crystal injection port. Even if cracks occur in the ITO or the sealant in the pattern for preventing peeling of the sealant due to the thermal stress generated in ultraviolet irradiation of the sealant with which the liquid crystal injection port is filled, propagation of the cracks is prevented in the interfaces between ITO portions and portions without ITO.
REFERENCES:
patent: 4037930 (1977-07-01), Matsuyama et al.
patent: 4095876 (1978-06-01), Horsting et al.
patent: 4106860 (1978-08-01), Kaufmann
patent: 4277143 (1981-07-01), Pauli et al.
Dang Hung X.
Duong Tai V.
Sony Corporation
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