Title:
OPTICAL LAMINATE
Document Type and Number:
Japanese Patent JP2023111871
Kind Code:
A
Abstract:
To provide an optical laminate where an image display device and a touch sensor are stacked, which prevents noise from the image display device from being conducted to the touch sensor.SOLUTION: An optical laminate 1 has a touch sensor 41, an adhesive layer 21, and an image display device 5 in this order, wherein the adhesive layer 21 is a polyester-based adhesive layer, and a dielectric constant at a frequency of 100 kHz of the adhesive layer 21 is 4.0 or less. The adhesive layer 21 preferably contains a polyester-based resin containing a constitutional unit derived from a compound which has 20 or more carbon atoms and has two or more functional groups capable of forming an ester bond.SELECTED DRAWING: Figure 1
Inventors:
SHIBANO MASAYA
HORIUCHI YOSHIYUKI
KATAMI FUSHI
HORIUCHI YOSHIYUKI
KATAMI FUSHI
Application Number:
JP2023006214A
Publication Date:
August 10, 2023
Filing Date:
January 18, 2023
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
G06F3/041; B32B27/00; C09J7/38; C09J167/00
Attorney, Agent or Firm:
Patent Attorney Corporation G-chemical