WHITE POLYESTER FILM, LIGHT-REFLECTIVE PLATE USING THE SAME, AND LIQUID-CRYSTAL DISPLAY BACKLIGHT USING THE SAME

WIPO Patent Application WO/2011/118305

A1

Provided is a white polyester film which has at least an A layer made of polyester and a B layer made of polyester, wherein the B layer has bubbles, the A layer contains three inorganic components of rutile titanium oxide, barium sulfate and silicon dioxide, the white polyester film has a total thickness of 100-500 μm, and the A layer has a thickness of 2-16 μm. A light-reflective white polyester film is provided which can obtain a high degree of brightness when used for a liquid-crystal display, and which is excellent in terms of UV resistance and is cheaper than in the past. Furthermore, the white polyester film provides excellent reflection performance and UV resistance when used as a back sheet for a solar cell.

FUNATOMI, Takashi (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
舩冨剛志 (〒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)
HASEGAWA, Masahiro (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)

JP2011/053633

September 29, 2011

February 21, 2011

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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)
FUNATOMI, Takashi (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
舩冨剛志 (〒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)

G02B5/08; C08K3/22; C08K3/30; C08K3/36; C08L67/00; F21S2/00; F21V7/00; G02B5/02; G02F1/13357

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