Title:
EASILY-ADHESIVE LAYER-INCLUDING POLYESTER FILM, OPTICAL LAMINATE PROVIDED WITH SAID POLYESTER FILM, AND POLARIZING PLATE, SURFACE PLATE, IMAGE DISPLAY PANEL, AND IMAGE DISPLAY DEVICE PROVIDED WITH SAID OPTICAL LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/167263
Kind Code:
A1
Abstract:
Provided is an easily-adhesive layer-including polyester film capable of imparting good adhesion properties to an optical laminate that has a polyester film having a high pencil hardness, an easily-adhesive layer, and a functional layer in the stated order. The easily-adhesive layer-including polyester film has an easily-adhesive layer on a polyester film. The pencil hardness of the polyester film is at least B, and the mean value of δq/δa of a surface of the easily-adhesive layer is at most 1.60. δa represents the arithmetic mean value of phase signals on the surface of the easily-adhesive layer, and δq represents the root mean square of the phase signal on the surface of the easily-adhesive layer.
Inventors:
KUBOTA SHOSEI (JP)
KATO MINORU (JP)
HOTTA HIKARU (JP)
TANAKA YOSHIKO (JP)
KURODA TAKASHI (JP)
USHIYAMA AKINOBU (JP)
KATO MINORU (JP)
HOTTA HIKARU (JP)
TANAKA YOSHIKO (JP)
KURODA TAKASHI (JP)
USHIYAMA AKINOBU (JP)
Application Number:
PCT/JP2023/007698
Publication Date:
September 07, 2023
Filing Date:
March 01, 2023
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
G02B5/30; B32B27/36; G02B1/14; H10K50/86; H10K59/10
Domestic Patent References:
| WO2021200884A1 | 2021-10-07 | |||
| WO2021124011A1 | 2021-06-24 | |||
| WO2004073972A1 | 2004-09-02 | |||
| WO2006057276A1 | 2006-06-01 |
Foreign References:
| JP2019066716A | 2019-04-25 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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