Title:
ANISOTROPIC LIGHT DIFFUSION ADHESIVE LAYER AND DISPLAY DEVICE COMPRISING ANISOTROPIC LIGHT DIFFUSION ADHESIVE LAYER
Document Type and Number:
WIPO Patent Application WO/2023/190669
Kind Code:
A1
Abstract:
The present invention provides an anisotropic light diffusion adhesive layer which has excellent wet heat resistance. An anisotropic light diffusion adhesive layer according to one embodiment of the present invention contains an adhesive that is composed of an acrylic copolymer and a needle-like filler that is dispersed, while being oriented in one direction; the proportion of monomers having a carboxyl group in all the monomers that constitute the acrylic copolymer is 1% or less; if the total solid content of the anisotropic light diffusion adhesive layer is taken as 100 parts by mass, the content of the needle-like filler is 1 part by mass to 50 parts by mass; and the orientation degree of the anisotropic light diffusion adhesive layer is 10 or more.
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Inventors:
YUMOTO TAKUMA (JP)
Application Number:
PCT/JP2023/012769
Publication Date:
October 05, 2023
Filing Date:
March 29, 2023
Export Citation:
Assignee:
TOMOEGAWA CO LTD (JP)
International Classes:
C09J11/04; C09J7/38; C09J133/00; G02B5/02; G02F1/1335
Domestic Patent References:
| WO2008120709A1 | 2008-10-09 | |||
| WO2022209643A1 | 2022-10-06 |
Foreign References:
| JP2004258105A | 2004-09-16 | |||
| JP2004184860A | 2004-07-02 | |||
| JP2002173656A | 2002-06-21 | |||
| JP2015113384A | 2015-06-22 |
Attorney, Agent or Firm:
ITOH, Atsushi et al. (JP)
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