Title:
PROCESS FOR PRODUCING OPTICAL FILM, OPTICAL FILM, AND POLARIZATION PLATE OR IMAGE DISPLAY UNIT UTILIZING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/015889
Kind Code:
A1
Abstract:
A process for producing an optical film, in which an optical film excelling in haze,
luminescent spot foreign matter and dimensional stability in hot moisture can
be produced uniformly on a large scale; an optical film obtained by the process; and
a polarization plate or image display unit utilizing the optical film. There is
provided a process for producing an optical film, characterized in that the optical
film is produced through the steps of carrying out heating fusion and blending
of a resin and particles to thereby obtain a mixed material of resin and particles;
dissolving the mixed material in a solvent to thereby obtain a resin solution;
and preparing an optical film from the resin solution according to a solution
casting technique.
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Inventors:
KUBO, Nobuo (Inc. 2970 Ishikawa-machi, Hachioji-sh, Tokyo 05, 1928505, JP)
Application Number:
JP2007/063806
Publication Date:
February 07, 2008
Filing Date:
July 11, 2007
Export Citation:
Assignee:
Konica Minolta Opto, Inc. (2970, Ishikawa-machi Hachioji-sh, Tokyo 05, 1928505, JP)
コニカミノルタオプト株式会社 (〒05 東京都八王子市石川町２９７０番地 Tokyo, 1928505, JP)
コニカミノルタオプト株式会社 (〒05 東京都八王子市石川町２９７０番地 Tokyo, 1928505, JP)
International Classes:
G02B5/30; B29C41/24; B29K1/00; B29L7/00; B29L11/00
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