Organic electroluminescence device

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United States of America Patent

PATENT NO 9012035
APP PUB NO 20090184625A1
SERIAL NO

12096844

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed is an organic electroluminescence device having a longer drive life. The organic electroluminescence device includes a light emitting layer which contains a luminescent dye and a host material having a nitrogen-containing aromatic heterocyclic ring. The luminescence resulting from the hole transport layer adjacent to the light emitting layer is less than one-hundredth of the luminescence resulting from the luminescent dye.

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Patent Owner(s)

  • MITSUBISHI CHEMICAL CORPORATION;PIONEER CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawami, Shin Tsurugashima, JP 10 550
Sato, Hideki Yokohama, JP 285 3738
Tsuji, Taishi Tsurugashima, JP 26 252
Yabe, Masayoshi Yokohama, JP 20 298

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