Title:
LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/228986
Kind Code:
A1
Abstract:
This laminate for manufacturing a TFT substrate comprises: a support base material made of glass; a first inorganic film laminated on the support base material; a polyimide resin laminated on the first inorganic film; and a second inorganic film laminated on the polyimide resin, wherein the polyimide resin has a structural unit represented by general formula (1) or a structural unit represented by general formula (2), and the glass transition temperature is 400°C or higher. (X1 is a group having an alicyclic structure or an aromatic ring, Y1 is a single bond and the like, R1 and R2 are methyl groups and the like, h and i are integers of 0-4, at least one of which is an integer of 1-4, and n is 0, 1, or 2.) (X2 includes a tetravalent group represented by general formula (3), Y2 is a single bond and the like, and m is 0, 1, or 2.) (R is a methyl group and the like, p is 1-4, and k is 1 or 2.)
Inventors:
ABIKO YOHEI (JP)
HATAKEYAMA TAKURO (JP)
MURAYA TAKAHIRO (JP)
HATAKEYAMA TAKURO (JP)
MURAYA TAKAHIRO (JP)
Application Number:
PCT/JP2023/019409
Publication Date:
November 30, 2023
Filing Date:
May 24, 2023
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
H10K77/10; B32B17/00; B32B27/34; G09F9/00; G09F9/30; H05B33/02; H05B33/14; H10K59/12
Domestic Patent References:
| WO2022045207A1 | 2022-03-03 |
Foreign References:
| JP2016111010A | 2016-06-20 | |||
| JP2020204022A | 2020-12-24 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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