| 发明名称 |
Organic Electroluminescent Device and Display |
| 摘要 |
An organic electroluminescent device including at least an anode, a first emitting layer, a hole barrier layer, a second emitting layer and a cathode in this order. The first emitting layer and the second emitting layer both include a hole transporting material. The organic EL device is small in chromaticity change and has high efficiency.
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| 申请公布号 |
US2008246391(A1) |
申请公布日期 |
2008.10.09 |
| 申请号 |
US20050574179 |
申请日期 |
2005.02.15 |
| 申请人 |
IDEMITSU KOSAN CO., LTD. |
发明人 |
IWAKUMA TOSHIHIRO;MATSUURA MASAHIDE;YAMAMOTO HIROSHI;KAWAMURA HISAYUKI;HOSOKAWA CHISHIO |
| 分类号 |
H01L51/50;H01L51/52;C09K11/06;H01L51/00;H05B33/12;H05B33/14;H05B33/22 |
主分类号 |
H01L51/50 |
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