Diamine compound, and polyimide precursor and polyimide film using same

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United States of America

PATENT NO 12240803
APP PUB NO 20220017461A1
SERIAL NO

17312629

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Abstract

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Disclosed is a novel diamine compound comprising a structure in which diphenyl sulfide in a molecule is bonded through an amide bond to a phenyl ring substituted with an amine group. A polyimide film prepared by polymerizing the novel diamine compound exhibits improved mechanical and thermal properties and an enhanced refractive index.

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Patent Owner(s)

  • LG CHEM LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Jeeseon Daejeon, KR 5 3
Kim, Kyunghwan Daejeon, KR 98 584
Lee, Hoyong Daejeon, KR 54 156
Song, Cheol Jun Daejeon, KR 17 13

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