Title:
POLARIZING FILM AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/192568
Kind Code:
A1
Abstract:
The present invention provides a polarizing film in which the permeation of iodine contained in a polarizer to the outside under a high-temperature high-humidity environment can be inhibited satisfactorily. The polarizing film according to the present invention is provided with a polarizer and a resin layer comprising a polymer, and satisfies at least one of the following requirements (i) to (v). (i) The tensile storage modulus E1 of the resin layer is 1 × 108 Pa or more. (ii) The tensile storage modulus E2 of the resin layer is 1 × 108 Pa or more. (iii) The linear expansion coefficient α1 of the resin layer is 400 × 10-6/K or less. (iv) The linear expansion coefficient α2 of the resin layer is 300 × 10-6/K or less. (v) The dipole moment D of a monomer used for the formation of the polymer is 2 Debye or less.
Inventors:
KANNO RYO (JP)
KATAYAMA MOTOSUKE (JP)
FUKUYAMA YOSHITO (JP)
KATAYAMA MOTOSUKE (JP)
FUKUYAMA YOSHITO (JP)
Application Number:
PCT/JP2021/002317
Publication Date:
September 30, 2021
Filing Date:
January 22, 2021
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; B32B7/023; G02F1/1335; G09F9/00; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
| WO2017110342A1 | 2017-06-29 |
Foreign References:
| JP2004177459A | 2004-06-24 | |||
| JP2011221185A | 2011-11-04 |
Attorney, Agent or Firm:
KAMADA Koichi et al. (JP)
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