Liquid crystal device and manufacturing method and apparatus the

Details Liquid crystal device and manufacturing method and apparatus the Liquid crystal device and manufacturing method and apparatus the

1997-11-07

1999-11-02

Sikes, William L.

Liquid crystal cells, elements and systems

Nominal manufacturing methods or post manufacturing...

Changing liquid crystal phase

349189, 349190, G02F 113, G02F 11341, G02F 11339

Patent

active

059780657

ABSTRACT:
A liquid crystal is dropped on one end portion of a bottom substrate that is coated with a sealing material in an outer peripheral portion. After a top substrate is laid on the bottom substrate, the liquid crystal is expanded from the one end portion of the bottom substrate toward the other end portion. If necessary, an air ejecting opening is formed in the sealing material at a position located in the other end portion of the bottom substrate. The surfaces of the top and bottom substrates may be formed with grooves for accommodating an excessive part of the liquid crystal at positions inside the sealing member. As a result, no air bubbles remain in the liquid crystal even if the charging of the liquid crystal is performed at the atmospheric pressure.

REFERENCES:
patent: 4820025 (1989-04-01), Nakanowatari
patent: 5332521 (1994-07-01), Yuasa et al.
patent: 5361152 (1994-11-01), Harada et al.
patent: 5838409 (1998-11-01), Tomono et al.

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