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Title:
LIGHT-DIFFUSING ANTIGLARE FILM, LIGHT-DIFFUSIVE ANTIGLARE OPTICAL ELEMENT, AND IMAGE-DISPLAYING DEVICE
Document Type and Number:
Japanese Patent JP2009229556
Kind Code:
A
Abstract:

To provide a light-diffusing antiglare film which prevents the occurrence of a white blur, while keeping excellent antiglare properties, to improve display contrast at a bright place, and to provide a light-diffusive antiglare optical element and an image-displaying device.

The light-diffusing antiglare film has a transparent base material layer and an antiglare layer in which hollow resin microparticles of single-pore structure are dispersed in a matrix resin. The antiglare layer has an arithmetic average surface roughness Ra of at most 40 nm, and the hollow resin microparticles have an average particle size of 0.5-30 m and a void fraction of 20-80 volume%.


Inventors:
Morita, Hiroyuki
Omura, Takahiro
Inaoka, Miki
Application Number:
JP2008000071984
Publication Date:
October 08, 2009
Filing Date:
March 19, 2008
Export Citation:
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Assignee:
SEKISUI CHEM CO LTD
International Classes:
G02B5/02; B32B7/02; G02B1/10; G02B1/11; G02F1/1335
Domestic Patent References:
JP2002060735A2002-02-26
JP2007112935A2007-05-10
JP2001066405A2001-03-16
Foreign References:
WO2007032170A12007-03-22
Attorney, Agent or Firm:
安富 康男
諸田 勝保