Apparatus for vacuum injecting liquid crystal

Details Apparatus for vacuum injecting liquid crystal Apparatus for vacuum injecting liquid crystal

1995-02-17

1996-08-20

Jacyna, J. Casimer

Fluent material handling, with receiver or receiver coacting mea

With material treatment

Heating or cooling

141 31, 141 65, G02F 105

Patent

active

055469981

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: 4790455 (1988-12-01), Dieringer 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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