Composition and light emitting device obtained by using the composition

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United States of America Patent

PATENT NO 10811610
SERIAL NO

16480413

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Abstract

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A composition which is useful for producing a light emitting device having excellent luminance life is provided. The composition contains a primary fluorinated alcohol represented by the formula (1), a secondary fluorinated alcohol represented by the formula (1′) and an electron injectable compound or an electron transportable compound, wherein the content of the secondary fluorinated alcohol is 0.01% by mass to 0.75% by mass with respect to the total content of the primary fluorinated alcohol and the secondary fluorinated alcohol:

description='In-line Formulae' end='lead'CnH2n−m+1FmOH  (1)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'Cn′H2n′−m′+1Fm′OH  (1′)description='In-line Formulae' end='tail'

In the formula (1), n represents an integer of 1 to 10, and m is an integer satisfying 1≤m≤2n+1. In the formula (1′), n′ represents an integer of 3 to 10, and m′ is an integer satisfying 1≤m′≤2n′+1.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO CHEMICAL COMPANY LIMITED27-1 SHINKAWA 2-CHOME CHUO-KU TOKYO 104-8260

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayasaka, Hiroyuki Osaka, JP 5 1
Hodai, Toshihiro Osaka, JP 2 0
Kakimoto, Hidenobu Osaka, JP 27 104
Mori, Takuya Osaka, JP 103 690

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