Manufacturing method and structure for aligner of liquid crystal

Details Manufacturing method and structure for aligner of liquid crystal Manufacturing method and structure for aligner of liquid crystal

1996-08-30

1998-04-14

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349128, 349129, G02F 11337

Patent

active

057398836

ABSTRACT:
This invention is directed to a manufacturing method and a new structure of a LCD aligner. The aligner is obtained by using transparency gradually changed mask for lithographic exposure. The LCD aligner made by this method has the function of both multidomain division and that of the retardation film. The advantages of LCD aligners made this way includes: simpler fabrication process, less cost, improved contrast ratio, reduced interference color, etc. Besides enhancing the color resolution of the screen, it also extends the viewing angle of the screen.

REFERENCES:
patent: 4725517 (1988-02-01), Nakanawatari et al.
patent: 5438421 (1995-08-01), Sugawara et al.
patent: 5446569 (1995-08-01), Iwai et al.
patent: 5473455 (1995-12-01), Koike et al.
patent: 5486403 (1996-01-01), Ishitaka et al.
patent: 5504604 (1996-04-01), Takatori et al.

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