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Patent Searching and Data


Title:
DISPLAY DEVICE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/130649
Kind Code:
A1
Abstract:
The purpose of the present invention is to produce a flexible display device, which has a resin substrate, with a high yield. The configuration of the present invention is as follows. A method for producing a display device wherein a resin substrate 100 is provided with a pixel. This method for producing a display device is characterized by: forming a first layer 14 on a glass substrate 500, said first layer being formed from a semiconductor; forming a second layer 13 on the first layer, said second layer being formed from a first metal; forming a third layer 12 on the second layer, said third layer being formed from a first insulating material; forming a fourth layer 11 on the third layer, said fourth layer being formed from a second metal or a metal oxide; forming a polyimide substrate 100 by applying a precursor of a polyimide onto the fourth layer 11 and firing the precursor; forming the above-described pixel on the polyimide substrate; and subsequently separating the polyimide substrate 100 and the glass substrate 500 from each other by separating the second layer 13 and the third layer 12 from each other by irradiating the first layer with a laser LB.

Inventors:
KAWANAGO HIROSHI (JP)
WATABE KAZUFUMI (JP)
Application Number:
PCT/JP2018/031124
Publication Date:
July 04, 2019
Filing Date:
August 23, 2018
Export Citation:
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Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G09F9/30; B32B9/00; B32B15/08; B32B15/088; G02F1/13; G02F1/1333; G09F9/00; H01L27/32; H01L51/50; H05B33/02; H05B33/10; H05B33/14
Domestic Patent References:
WO2016168341A12016-10-20
WO2009037797A12009-03-26
Foreign References:
JP2017208254A2017-11-24
JP2011048374A2011-03-10
US20110059561A12011-03-10
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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