发明名称 |
ORGANIC ELECTROLUMINESCENT ELEMENT, LIGHTING DEVICE AND DISPLAY DEVICE |
摘要 |
Disclosed is an organic EL device element having high external quantum efficiency and long life time. A lighting device and a display device each using the organic EL device element are also disclosed. The organic EL element comprises plural organic compound layers including a light-emitting layer and at least one hole transport layer, interposed between an anode and a cathode, and a phosphorescent light-emitting compound contained in the light-emitting layer emits light. The organic EL device is characterized in that at least one hole-transport layer contains two or more polymerizable compounds represented by general Formula (1) or two or more polymer compounds having a structural unit derived from a compound. In the Formula (1) L1 represents a divalent bonding group, Ar1 through Ar4 represent an aromatic group, provided that at least one of Ar1 through Ar4 represents a polymerizable group as a substituent.
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申请公布号 |
US2011017988(A1) |
申请公布日期 |
2011.01.27 |
申请号 |
US20090934970 |
申请日期 |
2009.04.07 |
申请人 |
KONICA MINOLTA HOLDINGS, INC. |
发明人 |
YASUKAWA NORIKO;KATAKURA RIE;TAKA HIDEO |
分类号 |
H01L51/50 |
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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