ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, AND LIGHTING DEVICE

WIPO Patent Application WO/2010/079678

A1

Disclosed is an organic electroluminescent element having high light-emission luminance and a low driving voltage.  The organic electroluminescent element comprises a supporting substrate and at least an anode and a cathode both arranged on the supporting substrate, and additionally comprises a light-emitting layer comprising at least an organic substance and arranged between the anode and the cathode.  The light-emitting layer comprises at least a light-emitting dopant and a host compound, wherein the absolute value of the difference between the bipolar moment of the light-emitting dopant and the bipolar moment of the host compound is 2 debyes or less, and the light-emitting layer is formed by coating.

OZEKI Hidekane (Inc. 1, Sakura-machi, Hino-sh, Tokyo 11, 〒1918511, JP)
尾関　秀謙 (〒11 東京都日野市さくら町１番地コニカミノルタテクノロジーセンター株式会社内 Tokyo, 〒1918511, JP)
TAKA Hideo (Inc. 1, Sakura-machi, Hino-sh, Tokyo 11, 〒1918511, JP)
▲高▼　秀雄 (〒11 東京都日野市さくら町１番地コニカミノルタテクノロジーセンター株式会社内 Tokyo, 〒1918511, JP)
KATAKURA Rie (Inc. 1, Sakura-machi, Hino-sh, Tokyo 11, 〒1918511, JP)
片倉　利恵 (〒11 東京都日野市さくら町１番地コニカミノルタテクノロジーセンター株式会社内 Tokyo, 〒1918511, JP)

JP2009/071120

July 15, 2010

December 18, 2009

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Konica Minolta Holdings, Inc. (6-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 05, 〒1000005, JP)
コニカミノルタホールディングス株式会社 (〒05 東京都千代田区丸の内一丁目６番１号 Tokyo, 〒1000005, JP)
OZEKI Hidekane (Inc. 1, Sakura-machi, Hino-sh, Tokyo 11, 〒1918511, JP)
尾関　秀謙 (〒11 東京都日野市さくら町１番地コニカミノルタテクノロジーセンター株式会社内 Tokyo, 〒1918511, JP)
TAKA Hideo (Inc. 1, Sakura-machi, Hino-sh, Tokyo 11, 〒1918511, JP)
▲高▼　秀雄 (〒11 東京都日野市さくら町１番地コニカミノルタテクノロジーセンター株式会社内 Tokyo, 〒1918511, JP)
KATAKURA Rie (Inc. 1, Sakura-machi, Hino-sh, Tokyo 11, 〒1918511, JP)

H01L51/50; H01L51/50

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