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Patent Searching and Data


Title:
LIGHT-DIFFUSING SHEET
Document Type and Number:
WIPO Patent Application WO/2021/014813
Kind Code:
A1
Abstract:
The light-diffusing sheet according to the present invention comprises a base material layer and a light diffusing layer layered on the light exit surface side of the base material layer. The light-diffusing sheet further comprises a masking layer disposed between the base material layer and the light-diffusing layer. The masking layer has a resin matrix and inorganic oxide fine particles dispersed within the resin matrix. The mean particle diameter of the inorganic oxide fine particles is preferably between 0.1 μm and 1.0 μm inclusive. The inorganic oxide fine particle content in the masking layer is preferably between 20% by mass and 80% by mass inclusive.

Inventors:
IMAKITA HIRONOBU (JP)
Application Number:
PCT/JP2020/023114
Publication Date:
January 28, 2021
Filing Date:
June 11, 2020
Export Citation:
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Assignee:
KEIWA INC (JP)
International Classes:
G02B5/02; F21S2/00; F21V3/00; F21V3/10; G02F1/1335; G02F1/13357
Foreign References:
JP2011065139A2011-03-31
JP2001091707A2001-04-06
JP2004325861A2004-11-18
JP2001166114A2001-06-22
Attorney, Agent or Firm:
AMANO Kazunori (JP)
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