Title:
光学積層体
Document Type and Number:
Japanese Patent JP7257461
Kind Code:
B2
Abstract:
The subject of the present invention is to provide an optical laminate, which can suppress orange peel and at the same time suppress air bubbles between the optical laminate and the panel when attached to the panel. The solution is that the optical laminate of the invention has: a polarizing plate, which includes a non-polarizing portion; a first optical functional body, which is bonded to the viewing side of the polarizing plate through a first adhesive layer; a reinforcing layer, which is bonded to the viewing side of the first optical functional body through a second adhesive layer; a second optical functional body, which is bonded to the viewing side of the reinforcing layer through a third adhesive layer; and a fourth adhesive layer, which is located on the opposite side of the viewing side relative to the polarizing plate. The thickness of the first adhesive layer, the second adhesive layer, the third adhesive layer, and the fourth adhesive layer is 17 [mu]m or less, respectively.
Inventors:
Kazuki Ikeda
Mochizuki Masakazu
Mochizuki Masakazu
Application Number:
JP2021124676A
Publication Date:
April 13, 2023
Filing Date:
July 29, 2021
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
G02B5/30; B32B7/023; B32B7/12; G02F1/1335; G02F1/13363; G02F1/1337
Domestic Patent References:
| JP2008046147A |
Attorney, Agent or Firm:
Takafumi Masui