Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2011-07-26
2011-07-26
Kianni, K. Cyrus (Department: 2883)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S125000, C385S141000
Reexamination Certificate
active
07986389
ABSTRACT:
An adhesive layer attaining, in a single layer, both adhesiveness permitting direct attachment to a glass plate disposed on the front face of a display device and desired optical filter functions and hardly undergoing the change in spectral characteristics attributable to deterioration in a light absorbing agent, even during long-time use, particularly at high temperature under high humidity, as well as a composite filter using this adhesive layer. The adhesive layer has optical filter functions, containing a block copolymer having at least a specific triblock structure in its molecule and having a weight-average molecular weight of 50,000 or more and a molecular-weight distribution (Mw/Mn) of less than 1.5 and one or more light absorbing agents each having light absorption in a predetermined wavelength region, as well as a composite filter using this adhesive layer.
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Hiwatashi Yuka
Imamura Hideki
Yamashita Yudai
Yoshihara Toshio
Dai Nippon Printing Co. Ltd.
Kianni K. Cyrus
Ladas & Parry LLP
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