发明名称 |
ORGANIC ELECTROLUMINESCENCE ELEMENT HAVING TWO ELECTROLUMINESCENT LAYERS THROUGH ELECTRON BARRIER LAYER |
摘要 |
An organic electroluminescent device including a pair of electrodes, and at least two organic emitting layers held between the pair of electrodes, (1) two organic emitting layers being arranged with an electron barrier layer interposed therebetween, (2) the two organic emitting layers both including an electron-transporting emitting material. |
申请公布号 |
EP1753268(A4) |
申请公布日期 |
2008.02.20 |
申请号 |
EP20050721411 |
申请日期 |
2005.03.24 |
申请人 |
IDEMITSU KOSAN CO., LTD. |
发明人 |
IWAKUMA, TOSHIHIRO;MATSUURA, MASAHIDE;YAMAMOTO, HIROSHI;KAWAMURA, HISAYUKI;HOSOKAWA, CHISHIO |
分类号 |
H05B33/12;H01L51/50;H05B33/14;H05B33/22 |
主分类号 |
H05B33/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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