申请人:Sumitomo Chemical Company Limited
公开号:EP3131131A1
公开(公告)日:2017-02-15
A light emitting device comprising
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 obtained by using a composition comprising a compound represented by the formula (H-A) and a metal complex represented by the formula (1), and
the second organic layer is a layer obtained by using a polymer compound comprising a constitutional unit having a crosslinkable group:
wherein
ZA represents a group represented by -N(RZA)-, a sulfur atom, an oxygen atom or the like, and RZA and RZ1 to RZ4 represent a hydrogen atom or a substituent, and at least one of RZ1 to RZ4 is a monovalent heterocyclic group,
Z1 to Z4 represent a carbon atom or a nitrogen atom, and
the ring RHA represents an aromatic hydrocarbon ring or an aromatic heterocyclic ring:
wherein
M represents an iridium atom, a platinum atom or the like,
n1 represents an integer of 1 or more, n2 represents an integer of 0 or more, and n1 +n2 is 2 or 3,
E1A to E4A and E2 represent a nitrogen atom or a carbon atom,
R2A, R3A and R4A represent a hydrogen atom or a substituent,
the ring R1A represents a triazole ring,
the ring RB represents an aromatic hydrocarbon ring or an aromatic heterocyclic ring, and
A1-G1-A2 represents an anionic bidentate ligand.
一种发光装置,包括
一个阳极
一个阴极
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,第一有机层是通过使用由式(H-A)表示的化合物和式(1)表示的金属络合物组成的组合物获得的层,以及
第二有机层是通过使用聚合物化合物获得的层,该聚合物化合物包含具有可交联基团的构型单元:
其中
ZA代表由-N(RZA)-、硫原子、氧原子等代表的基团,RZA和RZ1至RZ4代表氢原子或取代基,且RZ1至RZ4中至少有一个是一价杂环基团、
Z1 至 Z4 代表碳原子或氮原子,以及
环 RHA 代表芳香烃环或芳香杂环:
其中
M 代表铱原子、铂原子或类似原子、
n1 代表 1 或以上的整数,n2 代表 0 或以上的整数,n1 +n2 为 2 或 3、
E1A 至 E4A 和 E2 代表氮原子或碳原子、
R2A、R3A 和 R4A 代表氢原子或取代基、
环 R1A 代表三唑环
环 RB 代表芳香烃环或芳香杂环,以及
A1-G1-A2 代表阴离子双叉配体。