Title:
OPTICAL FILM WITH ADHESIVE LAYER, AND IMAGE DISPLAY DEVICE INCLUDING SAID OPTICAL FILM WITH ADHESIVE LAYER
Document Type and Number:
WIPO Patent Application WO/2022/064759
Kind Code:
A1
Abstract:
Provided is an optical film with an adhesive layer, in which the occurrence of missing adhesive in an irregularly shaped part is markedly suppressed, and the optical film with an adhesive layer has excellent transparency. The optical film with an adhesive layer according to an embodiment of the present invention has an optical film and an adhesive layer on one surface of the optical film, and has a non-rectangular irregular shape. An adhesive composition constituting the adhesive layer includes a (meth)acrylic base polymer and an isocyanate-based crosslinking agent. The (meth)acrylic base polymer includes an aromatic (meth)acrylate as a monomer component. The adhesive includes 2-20 parts by weight of the isocyanate-based crosslinking agent with respect to 100 parts by weight of the (meth)acrylic base polymer.
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Inventors:
FUJITA MASAKUNI (JP)
FUJINO RYOTA (JP)
TOYAMA YUUSUKE (JP)
FUJINO RYOTA (JP)
TOYAMA YUUSUKE (JP)
Application Number:
PCT/JP2021/018021
Publication Date:
March 31, 2022
Filing Date:
May 12, 2021
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; C09J7/38; C09J11/06; C09J133/00; G02F1/1335; G02F1/13363; G09F9/00; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
| WO2020188872A1 | 2020-09-24 |
Foreign References:
| JP2018095844A | 2018-06-21 | |||
| JP2020001160A | 2020-01-09 | |||
| JP2019008934A | 2019-01-17 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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