Title:
OPTICAL FILM FOR ORGANIC EL DISPLAY DEVICES, POLARIZING FILM FOR ORGANIC EL DISPLAY DEVICES, POLARIZING FILM WITH ADHESIVE LAYER FOR ORGANIC EL DISPLAY DEVICES, AND ORGANIC EL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/195506
Kind Code:
A1
Abstract:
The present invention is an optical film for organic EL display devices, which is characterized by comprising: a retardation film that functions as a λ/4 plate; and an adhesive layer that has a water vapor permeability of 50 g/(m2·day) or less at 40°C at 92% RH. This optical film for organic EL display devices according to the present invention has more excellently low water vapor permeability without forming a barrier layer which is composed of an inorganic material and is formed by vapor deposition or the like.
Inventors:
SAWAZAKI RYOHEI (JP)
MATSUMOTO MASAMICHI (JP)
YASUI ATSUSHI (JP)
MATSUMOTO MASAMICHI (JP)
YASUI ATSUSHI (JP)
Application Number:
PCT/JP2017/014222
Publication Date:
November 16, 2017
Filing Date:
April 05, 2017
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
G02B5/30; C09J11/06; C09J123/22; G09F9/00; G09F9/30; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
| WO2014171504A1 | 2014-10-23 |
Foreign References:
| JP2015506050A | 2015-02-26 | |||
| JP2007254743A | 2007-10-04 | |||
| JP2015202620A | 2015-11-16 | |||
| JP2014197537A | 2014-10-16 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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