ANTIGLARE FILM, ANTIGLARE POLARIZER, PROCESS FOR PRODUCING SAME, AND TRANSIMISSIVE LIQUID-CRYSTAL DISPLAY

WIPO Patent Application WO/2010/035761

A1

An antiglare film which has antiglare properties, which are the primary function of antiglare films, has a high contrast, and inhibits screen glittering on a high level.  Also provided are a process for producing the antiglare film and a transmissive liquid-crystal display. The antiglare film is characterized by comprising a transparent base and an antiglare layer having a rugged structure, the antiglare layer comprising a binder matrix comprising a hydroxylated acrylic material and particles of an acrylic/styrene copolymer.  The antiglare film is further characterized in that the value obtained by dividing the average particle diameter of the acrylic/styrene copolymer particles (RA) by the average thickness of the antiglare layer (H), RA/H, is in the range of 0.30-0.80, and that the product of the value obtained by subtracting the average refractive index of the binder matrix (nM) from the refractive index of the acrylic/styrene copolymer particles (nA), the amount of the acrylic/styrene copolymer particles (wA) contained per 100 parts by weight of the amount of the binder matrix contained (wM), and the average thickness of the antiglare layer (H), i.e., |nA-nM|×wA×H, is in the range of 0.70-3.00.

TOCHIGI YUSUKE (JP)
TAKAHASHI KAE (JP)
MORINAGA TAKAHIRO (JP)

PCT/JP2009/066559

April 01, 2010

September 24, 2009

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TOPPAN PRINTING CO LTD (JP)
TOCHIGI YUSUKE (JP)
TAKAHASHI KAE (JP)
MORINAGA TAKAHIRO (JP)

G02B5/30; G02B5/02; G02F1/1335

JP2007041533A	2007-02-15
JP2007193017A	2007-08-02
JP2007133384A	2007-05-31
JP2003260748A	2003-09-16
JP2000180611A	2000-06-30
JPH11305010A	1999-11-05
JP2002207109A	2002-07-26
JP4155337B1	2008-09-24

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