Apparatus, mask, and method for printing alignment layer

Details Apparatus, mask, and method for printing alignment layer Apparatus, mask, and method for printing alignment layer

2006-08-22

2006-08-22

Chowdhury, Tarifur R. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S123000, C349S187000

Reexamination Certificate

active

07095468

ABSTRACT:
An apparatus for printing an alignment layer of a liquid crystal display device includes a dispenser dropping an alignment material, an anilox roll receiving the dropped alignment material, a doctor roll evenly spreading the dropped alignment material coated onto the anilox roll, and a printing roll receiving the alignment material from the anilox roll, and transferring the alignment material onto a substrate, wherein the printing roll has a plurality of masks each having a numerical aperture of about 5% to 25%.

REFERENCES:
patent: 5419991 (1995-05-01), Segawa
patent: 5446569 (1995-08-01), Iwai et al.
patent: 6249331 (2001-06-01), Choi
patent: 6323925 (2001-11-01), Choi
patent: 07-270795 (1995-10-01), None
patent: 09-090307 (1997-04-01), None
patent: 1992-003350 (1992-04-01), None

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