Title:
ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2024/070311
Kind Code:
A1
Abstract:
Provided is an adhesive sheet that has sufficient light-blocking ability and that can provide superior design to an adherend. This adhesive sheet is provided with a layered structure having a light-blocking layer that exhibits a black color and a colored layer that exhibits a white color. Regarding L* indicated by the L*a*b* color system, the L* of one surface of the adhesive sheet is 35-75 and the L* of the other surface is less than the L* of said one surface by 10-50. An adhesive sheet 1 is provided with: a base material 2; a transparent adhesive agent layer 5a provided on one surface of the base material 2; a light-blocking print layer 3 that is a black print layer provided on the other surface of the base material 2; a white print layer 4 provided on the surface of the light-blocking print layer 3; and a transparent adhesive agent layer 5b provided on the surface of the white print layer 4.
Inventors:
OKAHARA KAI (JP)
YOKOKAWA RYOSUKE (JP)
OKUMURA YUKA (JP)
YOKOKAWA RYOSUKE (JP)
OKUMURA YUKA (JP)
Application Number:
PCT/JP2023/029750
Publication Date:
April 04, 2024
Filing Date:
August 17, 2023
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J7/38; B32B27/00; C09J7/29; C09J201/00
Domestic Patent References:
| WO2017109927A1 | 2017-06-29 | |||
| WO2010106999A1 | 2010-09-23 | |||
| WO2009020043A1 | 2009-02-12 |
Foreign References:
| JP2014005372A | 2014-01-16 | |||
| JP2010167642A | 2010-08-05 | |||
| JP2020138532A | 2020-09-03 |
Attorney, Agent or Firm:
G-CHEMICAL INTELLECTUAL PROPERTY FIRM (JP)
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