ANTIGLARE FILM, AND POLARIZING PLATE, SURFACE PLATE, AND IMAGE DISPLAY DEVICE THAT USE SAME

Title:

ANTIGLARE FILM, AND POLARIZING PLATE, SURFACE PLATE, AND IMAGE DISPLAY DEVICE THAT USE SAME

Document Type and Number:

WIPO Patent Application WO/2020/145370

Kind Code:

A1

Abstract:

The present invention provides an antiglare film capable of suppressing reflection and suppressing the grainy texture of the surface, thereby giving a sense of high quality.　This antiglare film comprises a first principal surface and a second principal surface on the reverse side of the first principal surface, wherein, when the average inclination angle with a cutoff value of 0.8 mm of the first principal surface is defined as θa0.8, and the average inclination angle with a cutoff value of 2.5 mm of the first principal surface is defined as θa2.5, the following expressions (1) and (2) are satisfied.　0.20°≤θa0.8≤0.7° (1), |θa2.5-θa0.8|≤0.10° (2)

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Inventors:

KUZUHARA MITSUHIRO (JP)
EGUCHI JUNYA (JP)
FURUI GEN (JP)

Application Number:

PCT/JP2020/000555

Publication Date:

July 16, 2020

Filing Date:

January 10, 2020

Export Citation:

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Assignee:

DAINIPPON PRINTING CO LTD (JP)

International Classes:

G02B5/02; G02B5/30; G09F9/00

Domestic Patent References:

WO2008020578A1	2008-02-21
WO2013099931A1	2013-07-04
WO2017061493A1	2017-04-13

Foreign References:

JP2016161834A	2016-09-05
JP2015072412A	2015-04-16
JP2011197545A	2011-10-06
JP2019020728A	2019-02-07
JP2007322779A	2007-12-13

Attorney, Agent or Firm:

OHTANI PATENT OFFICE (JP)

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