Method for manufacturing multi-domain liquid crystal cell

Details Method for manufacturing multi-domain liquid crystal cell Method for manufacturing multi-domain liquid crystal cell

1997-03-11

1998-12-29

Pianalto, Bernard

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

427259, 427272, 4274071, 427558, 427559, C08J 704

Patent

active

058538186

ABSTRACT:
A method for fabricating a multi-domain liquid crystal cell is disclosed, wherein first and second alignment directions are formed in first and second portions of an alignment layer provided on a substrate by selectively subjecting the first and second portions to different energy doses of linearly polarized ultraviolet light. Liquid crystal material is then injected between the one substrate and another substrate and into contact with the alignment layer, thereby obtaining a wide viewing angle in the liquid crystal device.

REFERENCES:
patent: 4974941 (1990-12-01), Gibbons et al.
patent: 5032009 (1991-07-01), Gibbons et al.
Gibbons et al., Wayne M., "Surface-mediated alignment of nematic liquid crystals with polarized laser light," Nature 351:49-50 (May 2, 1991).
Shannon et al., P.J., "Patterned optical properties in photopolymerized surface-aligned liquid-crystal films," Nature 368:532 (Apr. 7, 1994).
Marusii et al., T. Ya, "Photosensitive orientants for liquid crystal alignment," Mol. Mat. 3:161-168 (1993) (No Month Avail).
J. Chem et al., "Model of liquid crystal alignment by exposure to linearly polarized ultraviolet light," Physical Review E., vol. 54, No. 2, pp. 1599-1603, Aug. 1996.
T. Hashimoto et al., "41.4: TN-LCD with Quartered Subpixels Using Polarized UV-Light-Irradiated Polymer Orientation Films", SID 95 DIGEST, pp. 877-880 (No Date Avail.).
Martin Schadt et al., "Surface-Induced Parallel Alignment of Liquid Crystals by Linearly Polymerized Photopolymers", Jpn. J. Appl. Phys. vol. 31, Part 1, No. 7, pp. 2155-2164, Jul. 1992.

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