Title:
OPTICAL SHEET AND SURFACE LIGHT SOURCE FOR LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/038549
Kind Code:
A1
Abstract:
An optical sheet containing a three-layer laminate resin sheet which is composed of a core layer and outer layers which are arranged on both sides of the core layer without having adhesive layers therebetween. The core layer is composed of an amorphous resin, and at least one of the outer layers is provided with a plurality of projections in the surface. The resins constituting the outer layers are mainly composed of resins having the same composition, and each has a glass transition temperature not less than 80˚C and lower than the glass transition temperature of the resin constituting the core layer by 10˚C or more.
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Inventors:
TSUJIUCHI, Naoki (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
辻内 直樹 (〒58 滋賀県大津市園山１丁目１番１号 東レ株式会社 滋賀事業場内 Shiga, 〒5208558, JP)
辻内 直樹 (〒58 滋賀県大津市園山１丁目１番１号 東レ株式会社 滋賀事業場内 Shiga, 〒5208558, JP)
Application Number:
JP2009/064148
Publication Date:
April 08, 2010
Filing Date:
August 11, 2009
Export Citation:
Assignee:
TORAY INDUSTRIES, INC. (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 66, 〒1038666, JP)
東レ株式会社 (〒66 東京都中央区日本橋室町２丁目１番１号 Tokyo, 〒1038666, JP)
TSUJIUCHI, Naoki (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
東レ株式会社 (〒66 東京都中央区日本橋室町２丁目１番１号 Tokyo, 〒1038666, JP)
TSUJIUCHI, Naoki (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
International Classes:
G02B5/02; F21V5/00; G02B5/04; G02F1/13357
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