Title:
POLYIMIDE FILM, MANUFACTURING METHOD THEREFOR, TRANSPARENT CONDUCTIVE FILM AND TOUCH PANEL
Document Type and Number:
Japanese Patent JP2017186467
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a polyimide film good in transparency and good in durability to key touch when used as a substrate of a transparent conductive film of a touch panel, a manufacturing method of the polyimide film and a transparent conductive film and the touch panel using the polyimide film.SOLUTION: The polyimide film contains polyimide dissolved in a range of 1 to 50 g with respect to 100 g of dichloromethane at 25°C and difference between surface elastic modulus of one surface (A) of the polyimide film and surface elastic modulus of another surface (B) is 2 GPa or more.SELECTED DRAWING: Figure 1
Inventors:
ITO YASUTOSHI
NANJO TAKASHI
NANJO TAKASHI
Application Number:
JP2016076986A
Publication Date:
October 12, 2017
Filing Date:
April 07, 2016
Export Citation:
Assignee:
KONICA MINOLTA INC
International Classes:
C08J5/18; B32B7/02; B32B27/34; G06F3/041; H01B5/14
Domestic Patent References:
| JP2002355832A | 2002-12-10 | |||
| JP2013523939A | 2013-06-17 | |||
| JPS63297428A | 1988-12-05 | |||
| JP2003020404A | 2003-01-24 | |||
| JP2013100467A | 2013-05-23 | |||
| JP2009104127A | 2009-05-14 | |||
| JPS60139413A | 1985-07-24 | |||
| JPH10292019A | 1998-11-04 |
Attorney, Agent or Firm:
Gwangyang International Patent Office