Method and apparatus for injecting liquid crystal

Details Method and apparatus for injecting liquid crystal Method and apparatus for injecting liquid crystal

1993-12-14

1995-05-23

Jacyna, J. Casimer

Fluent material handling, with receiver or receiver coacting mea

Processes

Gas or variation of gaseous condition in receiver

141 7, 141 11, 141 31, 141 65, 141 82, G02F 105

Patent

active

054172578

ABSTRACT:
A smectic liquid crystal is injected into a liquid crystal panel according to the vacuum injection scheme. The liquid crystal is applied over an injection port of a blank panel while maintaining the panel at a temperature below a temperature at which the liquid crystal shows a fluidity and controlling the liquid crystal at a viscosity of 0.0005-0.005 kg/ms. As a result, an appropriate amount of the liquid crystal can be applied, thereby providing a liquid crystal panel free from inversion of bubbles and good and uniform alignment free from alignment failure.

REFERENCES:
patent: 4099550 (1978-07-01), Matsuzaki et al.
patent: 5029623 (1991-07-01), Brosig
patent: 5150239 (1992-09-01), Watanabe et al.
patent: 5269351 (1993-12-01), Yoshihara
patent: 5285300 (1994-02-01), Suzuki et al.

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