发明名称 |
ORGANIC EL ELEMENT AND SOLUTION CONTAINING ORGANIC EL MATERIAL |
摘要 |
<p>An organic electroluminescence device (1) includes: an anode (3); a cathode (4); and an organic thin-film layer (10) interposed between the anode (3) and the cathode (4). The organic thin-film layer (10) includes a phosphorescent-emitting layer (5) containing a host and a phosphorescent dopant. The host contains a first host and a second host. The first host includes a substituted or unsubstituted polycyclic fused aromatic skeleton, the skeleton having 10 to 30 ring-forming atoms not including an atom of a substituent. The second host has an affinity level greater than the affinity level of the first host</p> |
申请公布号 |
EP2221897(A1) |
申请公布日期 |
2010.08.25 |
申请号 |
EP20080852937 |
申请日期 |
2008.11.21 |
申请人 |
IDEMITSU KOSAN CO., LTD. |
发明人 |
NISHIMURA, KAZUKI;IWAKUMA, TOSHIHIRO;FUKUOKA, KENICHI;HOSOKAWA, CHISHIO |
分类号 |
H01L51/50;C07C15/20;C07F15/00;C09K11/06;H01L51/00 |
主分类号 |
H01L51/50 |
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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