Process for plastic LCD fill hole sealing

Details Process for plastic LCD fill hole sealing Process for plastic LCD fill hole sealing

1982-06-02

1985-02-19

Corbin, John K.

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Including plural heating steps

350343, 264 4, 264 25, G02F 113, G02B 000, A61J 504, B29C 1300

Patent

active

045001715

ABSTRACT:
The access hole for filling the liquid crystal cavity in an LCD having plastic front and rear members is sealed by welding the two members together. Pressure is applied during the weld to insure a good joint. The welding process avoids problems of non-adhesion or poor adhesion associated with the use of epoxy, especially the type of epoxy used for sealing glass LCDs.

REFERENCES:
patent: 3771855 (1973-11-01), Burns
patent: 3909930 (1975-10-01), Gurtler
patent: 4068923 (1978-01-01), Toida
Aviram, A., "Packaging of Liquid-Crystal Displays," IBM Disclosure Bull., vol. 15, No. 2, pp. 580-581, (Jul. 1972).

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