| 发明名称 |
ORGANIC ELECTROLUMINESCENT ELEMENT |
| 摘要 |
<p>The present invention relates to the improvement of phosphorescent organic electroluminescent devices by using materials of the formula (1), preferably triazines, pyrimidines, pyridazines and pyrazines, in the hole-blocking layer.</p> |
| 申请公布号 |
EP1687857(B1) |
申请公布日期 |
2009.09.09 |
| 申请号 |
EP20040803245 |
申请日期 |
2004.11.24 |
| 申请人 |
MERCK PATENT GMBH |
发明人 |
VESTWEBER, HORST;GERHARD, ANJA;STOESSEL, PHILIPP |
| 分类号 |
H01L51/30;C07D239/26;C07D251/24;C07D253/06;C07D253/065 |
主分类号 |
H01L51/30 |
| 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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