Liquid crystal molecule orienting method

Details Liquid crystal molecule orienting method Liquid crystal molecule orienting method

1993-08-30

1995-02-14

Simmons, David A.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

156229, 156324, 428 1, C09K 1900

Patent

active

053900375

ABSTRACT:
A method of efficiently orienting liquid crystal molecules on an orientation film formed on one surface of a film substrate which constitutes part of a liquid crystal display panel. In this method, the film substrate is conveyed between a rubbing roll and a backup roll disposed opposite the rubbing roll such that the orientation film faces the rubbing roll, that the rubbing and backup rolls are rotated in contact with the film substrate to thereby rub the orientation film formed on the film substrate for orienting the liquid crystal molecules. Thus, the orientation film formed on the film substrate is continuously rubbed while the film substrate is being conveyed to thereby achieve efficient rubbing.

REFERENCES:
patent: 4973373 (1990-11-01), Hashimoto et al.

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