Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2009-01-21
2011-10-25
Kim, Richard (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
Reexamination Certificate
active
08045108
ABSTRACT:
To provide a liquid crystal display device in which it is possible, with a simple configuration, to avoid a bright spot defect caused by a polishing flaw, called a dimple, formed in a surface of an observer side substrate of a liquid crystal display panel.A liquid crystal display device includes:a liquid crystal display panel having a first substrate, a second substrate disposed on an observer side of the first substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate, anda transparent cover affixed by means of a first bonding member to a surface of the liquid crystal display panel on the observer side, whereinthe transparent cover has an optical member affixed by means of a second bonding member to a surface of the transparent cover facing the second substrate,the second substrate has a chemically polished surface on the observer side,the first bonding member, as well as making direct contact with both the polished surface of the second substrate and the optical member, covers all of a surface portion of the second substrate facing a display area, andthe first bonding member is 30 to 200 μm in thickness, while the second bonding member is 10 to 25 μm in thickness.
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Ishi Katsuhiko
Takahashi Risa
Antonelli Terry Stout & Kraus LLP
Hitachi Displays Ltd.
Kim Richard
LandOfFree
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