Title:
DISPLAY DEVICE SURFACE MEMBER AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/169651
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a display device surface member containing a polyimide film having an improved close adhesion with a cured resin layer; and a manufacturing method for the display device surface member. This display device surface member containing a polyimide film is characterized in that the polyimide film has a total light transmittance of at least 80% and a yellow index (YI) value of at most 4.0, at least 1 g of the polyimide film dissolves relative to 100 g of dichloromethane at 25ºC, and the polyimide film contains a compound having a structure represented by general formula (1). (In the formula, X represents a heteroatom or a carbon atom, Q represents a group of atoms needed for forming an aromatic heterocycle together with a nitrogen atom and X, and R1-R4 each represent a hydrogen atom or a substituent.)
Inventors:
IWAGAMI NAOYA (JP)
Application Number:
PCT/JP2017/009654
Publication Date:
October 05, 2017
Filing Date:
March 10, 2017
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G09F9/00; B32B27/34; C08G73/10; C08J5/18; C08L79/08; H01L51/50
Domestic Patent References:
| WO2014168423A1 | 2014-10-16 | |||
| WO2016190105A1 | 2016-12-01 |
Foreign References:
| JP2015093966A | 2015-05-18 | |||
| JP2016125063A | 2016-07-11 |
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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