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Patent Searching and Data


Title:
Light diffusing sheet
Document Type and Number:
Japanese Patent JP6163869
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a light diffusion sheet that is formed with a rear surface sticking prevention layer on a surface opposite to a light diffusion layer of a base material sheet and that is prevented from warping.SOLUTION: A light diffusion sheet comprises: a transparent base material sheet 1 having flexibility; a light diffusion layer 3 overlapping on one surface of the base material sheet; and a rear surface sticking prevention layer 11 overlapping on the other surface of the base material sheet. The light diffusion layer 3 and the rear surface sticking prevention layer 11 respectively include: a large number of transparent fine granular bodies 7, 13 that are dispersedly arranged; and binders 9, 15 for holding the fine granular bodies on each surface of the base material sheet. The binder 9 of the light diffusion layer 3 is made of non-cross-linked resin, and the binder 15 of the rear surface sticking prevention layer 11 is made of cross-linked resin.

Inventors:
Katayama
Application Number:
JP2013106618A
Publication Date:
July 19, 2017
Filing Date:
May 20, 2013
Export Citation:
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Assignee:
Oji Holdings Co., Ltd.
International Classes:
G02B5/02; B32B7/02; F21S2/00; G02F1/1335
Domestic Patent References:
JP2007011317A
JP2008040133A
JP2007286166A