Light emitting device and production method thereof, and composition for light emitting device and production method thereof

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United States of America

PATENT NO 12250870
APP PUB NO 20220190248A1
SERIAL NO

17442587

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Abstract

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A light emitting device including an anode, a cathode, and an organic layer disposed between the anode and the cathode and containing a composition is provided. The composition contains two or more compounds (B) having a condensed hetero ring skeleton (b) containing a boron atom and a nitrogen atom in the ring. Compound (B) contains a compound (B1) and a compound (B2) which satisfy at least one of the following formulas: EB1

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Patent Owner(s)

  • SUMITOMO CHEMICAL COMPANY, LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsumoto, Ryuji Nomi, JP 27 27
Sasada, Toshiaki Tsukuba, JP 45 38

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