基本信息:
- 专利标题： ORGANIC ELECTROLUMINESCENT ELEMENT
- 专利标题（中）：有机电致发光元件
- 申请号：EP10785966.2 申请日：2010-06-10
- 公开(公告)号：EP2442379A1 公开(公告)日：2012-04-18
- 发明人： NISHIMURA, Kazuki , KAWAMURA, Yuichiro , OGIWARA, Toshinari , KUMA, Hitoshi , FUKUOKA, Kenichi , HOSOKAWA, Chishio
- 申请人： Idemitsu Kosan Co., Ltd.
- 申请人地址： 1-1 Marunouchi 3-chome Chiyoda-ku Tokyo 100-8321 JP
- 专利权人： Idemitsu Kosan Co., Ltd.
- 当前专利权人： Idemitsu Kosan Co., Ltd.
- 当前专利权人地址： 1-1 Marunouchi 3-chome Chiyoda-ku Tokyo 100-8321 JP
- 代理机构： Gille Hrabal
- 优先权： JP2009141347 20090612
- 国际公布： WO2010143434 20101216
- 主分类号： H01L51/50
- IPC分类号： H01L51/50
摘要：
An organic electroluminescence device including opposite anode and cathode, and a hole-transporting region, an emitting layer and an electron-transporting region in sequential order from the anode between the anode and the cathode, wherein the emitting layer includes a red emitting portion, a green emitting portion, and a blue emitting portion; the blue emitting portion includes a host BH and a fluorescent dopant FBD; the triplet energy E T fbd of the fluorescent dopant FBD is larger than the triplet energy E T bh of the host BH; the green emitting portion includes a host GH and a phosphorescent dopant PGD; the electron-transporting region includes a common electron-transporting layer adjacent to the red emitting portion, the green emitting portion and the blue emitting portion; the common electron-transporting layer includes a material having a triplet energy E T el larger than E T bh ; and the difference between the affinity of the host GH and the affinity of the material constituting the common electron-transporting layer is 0.4 eV or less.
摘要（中）：
1。一种有机电致发光元件，其特征在于，在阳极与阴极之间，从阳极开始依次具有空穴传输区域，发光层和电子传输区域，其特征在于，所述发光层包含红色发光部， 绿色发光部分和蓝色发光部分; 蓝色发光部分包括主体BH和荧光掺杂剂FBD; 荧光掺杂剂FBD的三重态能量ETfbd大于主体BH的三重态能量ETbh， 绿色发光部分包括主体GH和磷光掺杂剂PGD; 电子传输区域包括与红色发射部分，绿色发射部分和蓝色发射部分相邻的公共电子传输层; 公共电子传输层包括具有大于ETbh的三重态能量ETel的材料; 主体GH的亲和性与构成共用电子传输层的材料的亲和性之差为0.4eV以下。
公开/授权文献:
- EP2442379B1 ORGANIC ELECTROLUMINESCENT ELEMENT 公开/授权日：2016-08-17