Composition and light emitting device using the same

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United States of America Patent

PATENT NO 10141514
APP PUB NO 20170040542A1
SERIAL NO

15303920

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A composition is provided containing: a phosphorescent compound having an emission spectrum whose maximum peak wavelength is between 380 nm or more and less than 495 nm, having no dendron and represented by formula (1′); two or more phosphorescent compounds having an emission spectrum whose maximum peak wavelength is between 495 nm or more and less than 750 nm and having a dendron; and a compound represented by formula (H-1).

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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
Anryu, Makoto Osaka, JP 30 109
Asada, Kohei Tsukuba, JP 222 2538
Sasada, Toshiaki Tsukuba, JP 45 29
Yokoya, Seiichirou Tokyo, JP 5 8

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