发明申请
US20130134402A1 ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC ELECTROLUMINESCENCE DEVICE, ORGANIC EL DISPLAY DEVICE, AND ORGANIC EL LIGHTING
有权
有机电致发光元件，有机电致发光器件，有机EL显示器件和有机EL照明
- 专利标题： ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC ELECTROLUMINESCENCE DEVICE, ORGANIC EL DISPLAY DEVICE, AND ORGANIC EL LIGHTING
- 专利标题（中）： 有机电致发光元件，有机电致发光器件，有机EL显示器件和有机EL照明
-
申请号： US13736423申请日： 2013-01-08
-
公开(公告)号： US20130134402A1公开(公告)日： 2013-05-30
- 发明人: Futoshi Tanaka , Kazuki Okabe , Atsushi Takahashi
- 申请人： Futoshi Tanaka , Kazuki Okabe , Atsushi Takahashi
- 优先权： JP2010-155918 20100708
- 主分类号： H01L51/52
- IPC分类号： H01L51/52
摘要：
The present invention relates to an organic electroluminescence element which comprises an anode, a luminescent layer, two or more electron transport layers and a cathode, in this order, wherein at least one of the two or more electron transport layers adjoins the luminescent layer, the luminescent layer contains a luminescent material and a charge transport material, the electron transport layer which adjoins the luminescent layer contains a charge transport material, the charge transport material contained in the luminescent layer and the charge transport material contained in the electron transport layer which adjoins the luminescent layer may be the same material or may be different material, and the specific electron affinities EA1, EA2 and EA3, and the specific work function WF satisfy the specific relationship.
公开/授权文献
信息查询
IPC分类:
