PROTECTIVE FILM, OPTICAL FILM, LAMINATE, POLARIZING PLATE, IMAGE DISPLAY DEVICE AND METHOD FOR PRODUCING SAID POLARIZING PLATE

Title:

PROTECTIVE FILM, OPTICAL FILM, LAMINATE, POLARIZING PLATE, IMAGE DISPLAY DEVICE AND METHOD FOR PRODUCING SAID POLARIZING PLATE

Document Type and Number:

WIPO Patent Application WO/2017/175674

Kind Code:

A1

Abstract:

According to one aspect of the present invention, a substrate-less protective film 20 used in a polarizing plate is provided, the protective film 20 comprising: a core layer 21 containing a resin comprising a cured product; and an adhesiveness improving layer 22 provided on one surface 21A of the core layer 21; wherein a surface 22A of the adhesiveness improving layer 22 forms one surface 20A of the protective film 20; the thickness of the protective film 20 is less than 40 μm, and the tensile fracture strength of the protective film 20 is at least 30 N/mm2.

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Inventors:

IWASAKI TOSHIKI (JP)
HONDA KAZUYA (JP)
IWATA YUKIMITSU (JP)

Application Number:

PCT/JP2017/013557

Publication Date:

October 12, 2017

Filing Date:

March 31, 2017

Export Citation:

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Assignee:

DAINIPPON PRINTING CO LTD (JP)

International Classes:

G02B5/30; B32B27/00; C09D4/00; C09D5/00; C09D7/12

Foreign References:

JP2014130298A	2014-07-10
JP2016030331A	2016-03-07
JP2013105134A	2013-05-30

Attorney, Agent or Firm:

YOKOTA Nobutaka et al. (JP)

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