申请人:Sumitomo Chemical Company Limited
公开号:EP3618134A1
公开(公告)日:2020-03-04
To provide a light emitting device excellent in luminance life.
A light emitting device having an anode, a cathode, a first organic layer disposed between the anode and the cathode and a second organic layer disposed between the anode and the cathode, wherein
the first organic layer is a layer containing a compound represented by the formula (C-1), and
the second organic layer is a layer containing a compound represented by the formula (C-1) and a cross-linked body of a crosslinkable material:
[wherein,
Ring R1C and Ring R2C represent an aromatic hydrocarbon ring or an aromatic hetero ring.
RC represents an oxygen atom, a sulfur atom or a group represented by the formula (C'-1).]
[wherein,
Ring R3C and Ring R4C represent an aromatic hydrocarbon ring or an aromatic hetero ring.
RC' represents a carbon atom, a silicon atom, a germanium atom, a tin atom or a lead atom.]
提供一种亮度寿命极佳的发光器件。
一种发光器件,具有阳极、阴极、设置在阳极和阴极之间的第一有机层以及设置在阳极和阴极之间的第二有机层,其中
第一有机层是含有式(C-1)表示的化合物的层,以及
第二有机层是含有式(C-1)表示的化合物和可交联材料的交联体的层:
其中
环 R1C 和环 R2C 代表芳香烃环或芳香杂环。
RC 代表氧原子、硫原子或由式(C'-1)代表的基团。]
其中
环 R3C 和环 R4C 代表芳香烃环或芳香杂环。
RC'代表碳原子、硅原子、锗原子、锡原子或铅原子]。