LC aligning substrate by rubbing the surface of the substrate wi

Details LC aligning substrate by rubbing the surface of the substrate wi LC aligning substrate by rubbing the surface of the substrate wi

1997-12-30

1999-10-05

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349191, G02F 11337

Patent

active

059632860

ABSTRACT:
An LC aligning substrate (3) is used for an LCD. The substrate is rubbed with a roller (5). The roller has irregularities on the surface thereof, or instead, one of the roller and substrate is vertically vibrated. As a result, the orientation of molecules at the surface of the substrate is finely changed to conceal sharp changes in the orientation of the surface molecules, thereby preventing the LCD from displaying defective rubbing stripes.

REFERENCES:
patent: 5075790 (1991-12-01), Hayashi et al.
patent: 5221981 (1993-06-01), Kodera et al.
patent: 5406397 (1995-04-01), Kodera et al.
patent: 5422750 (1995-06-01), Kodera et al.
patent: 5668615 (1997-09-01), Miyata
patent: 5676779 (1997-10-01), Kim et al.
patent: 5710610 (1998-01-01), Kim

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