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Title:
POLYIMIDE COPOLYMER, METHOD FOR PRODUCING POLYIMIDE COPOLYMER, AND PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE RESIN FILM, AND OPTICAL DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/184972
Kind Code:
A1
Abstract:
The present invention relates to: a polyimide copolymer which comprises a repeating unit having a specific structure and derived from a monomer synthesized from an epoxy compound; a method for producing the polyimide copolymer; and a photosensitive resin composition, a photosensitive resin film, and an optical device including said polyimide copolymer.

Inventors:
KIM BETHY (KR)
LEE MIN HYUNG (KR)
SONG YOUNG JEE (KR)
JEON SEONGHO (KR)
Application Number:
PCT/KR2020/003374
Publication Date:
September 17, 2020
Filing Date:
March 11, 2020
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08G73/10; C08J5/18; C08L79/08
Domestic Patent References:
WO2019013182A12019-01-17
Foreign References:
KR20110018668A2011-02-24
JP2016172824A2016-09-29
KR20090063543A2009-06-18
KR101431486B12014-08-20
Other References:
QUE, X.: "Synthesis and characterization of trifluoromethyl-containing polyimide-modified epoxy resins", JOURNAL OF MATERIALS SCIENCE, 2016, pages 10833 - 10848, XP036065180, DOI: 10.1007/s10853-016-0294-9
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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