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

2006-02-14

2006-02-14

Nguyen, Dung T. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S123000, C349S125000, C349S126000, C349S187000, C349S191000

Reexamination Certificate

active

06999148

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

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