Apparatus and method for rubbing LCD substrate

Details Apparatus and method for rubbing LCD substrate Apparatus and method for rubbing LCD substrate

2005-12-06

2005-12-06

Ton, Toan (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

Reexamination Certificate

active

06972817

ABSTRACT:
The invention provides an apparatus and a method for rubbing the alignment layer in the LCD substrate. The rubbing apparatus of the present invention further includes a second rolling apparatus for conditioning, in addition to the first rolling apparatus for rubbing, to rejuvenate the first rolling apparatus in real time so as to lengthen the lifetime of the rolling apparatus in the rubbing process and increase the rubbing rate. By employing the second rolling apparatus along with the first rolling apparatus, the rubbing process includes an extra conditioning step for conditioning the first rolling apparatus, thus shortening the production cycle time and increasing the throughput.

REFERENCES:
patent: 5422750 (1995-06-01), Kodera et al.
patent: 5455695 (1995-10-01), Kodera et al.
patent: 5712696 (1998-01-01), Toko et al.

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