Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2009-05-22
2010-12-28
Doan, Jennifer (Department: 2874)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S056000, C349S084000, C349S122000, C349S123000
Reexamination Certificate
active
07859625
ABSTRACT:
A liquid crystal display device which can reduce or eliminate a display defect is provided. The liquid crystal display device includes a first alignment film formed on one of the pair of substrates; a second alignment film formed on another of the pair of substrates; first projecting portions which are provided to the first alignment film and project into the liquid crystal layer by first constitutional members which constitute a layer below the first alignment film; and second projecting portions which are provided to the second alignment film, face the first projecting portions, and project into the liquid crystal layer by second constitutional members which constitute a layer below the second alignment film, the first projecting portion being set lower than the second projecting portion, and an area of an upper surface of the first projecting portion being set smaller than an area of an upper surface of the second projecting portion. The first alignment film is made of a photo-decomposition-type alignment film material.
REFERENCES:
patent: 6816219 (2004-11-01), Akagi et al.
patent: 7453544 (2008-11-01), Toriyama et al.
patent: 2000-267114 (2000-09-01), None
Kunimatsu Noboru
Matsui Chikae
Sonoda Hidehiro
Antonelli, Terry Stout & Kraus, LLP.
Doan Jennifer
Hitachi Displays Ltd.
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