Manufacture of LCD device by transferring the orientation state

Details Manufacture of LCD device by transferring the orientation state Manufacture of LCD device by transferring the orientation state

1995-02-13

1998-01-27

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349126, 349188, G02F 11337, G02F 113

Patent

active

057126968

ABSTRACT:
A method of manufacturing a liquid crystal display device including the steps of: preparing a parent substrate having an orientation structure on the surface thereof subjected to orientation treatment; interposing primary liquid crystal material between a child substrate not subjected to orientation treatment and the parent substrate, and transferring an orientation state corresponding to the orientation structure of the parent substrate to the child substrate; separating the parent substrate and the child substrate while heating the primary liquid crystal material in an isotropic phase; and forming the liquid crystal display device by using the child substrate. At least one of the two substrates of the liquid crystal display device is not required to be subjected to direct rubbing treatment. It is therefore possible to prevent device defects and performance degradation to be caused by electrostatic charges generated by rubbing.

REFERENCES:
patent: 4083797 (1978-04-01), Oh
patent: 5262882 (1993-11-01), Hikmet
patent: 5438421 (1995-08-01), Sugawara et al.
patent: 5453862 (1995-09-01), Toko et al.
patent: 5473455 (1995-12-01), Koike et al.

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