Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Patent
1995-12-21
1998-01-20
Sikes, William L.
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
349129, G02F 11337
Patent
active
057106100
ABSTRACT:
An apparatus for rubbing the alignment layer applied to a thin film transistor and a color filter glass plate of a liquid crystal display to set the molecular orientation of the liquid crystals includes a cylindrical roll with a round peripheral surface covered by a piled fabric having pile, and a table for supporting the thin film transistor or color filter glass plate. The cylindrical roll is rotated with the pile contacting the alignment layer of the thin film transistor or color filter glass plate while moving the table relative to the cylindrical roll so that the surface of the alignment layer is rubbed. The pile includes a plurality of properly defined sections having alternate short and long pile so as to alternately vary the rubbing strength of the piled fabric against the alignment layer.
REFERENCES:
patent: 5075790 (1991-12-01), Hayashi et al.
patent: 5221981 (1993-06-01), Kodera et al.
patent: 5353141 (1994-10-01), Onuma et al.
patent: 5406397 (1995-04-01), Kodera et al.
patent: 5422750 (1995-06-01), Kodera et al.
Duong Tai V.
Samsung Electronics Co.,Ltd.
Sikes William L.
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