Liquid crystal display having an alignment layer in the form of

Details Liquid crystal display having an alignment layer in the form of Liquid crystal display having an alignment layer in the form of

1990-02-08

1991-10-08

Miller, Stanley D.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 75, G02F 113

Patent

active

050548891

ABSTRACT:
In construction of a liquid crystal display including an alignment film and generally used for video display panels such as television sets, the orientation wafer is given in the form of a porous alumina layer. Substantially vertical molecular orientation is resulted from penetration of liquid crystal molecules into pores in the alignment film. Optical application of rubbing process in production enables free adjustment of the value of pretilt angle. Good reproduction and stability is assured even in the case of large fields of vision.

REFERENCES:
patent: 4883344 (1989-11-01), Okada et al.
patent: 4917472 (1990-04-01), Margerum et al.

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