An organic multilayer electroluminescent device including an anode and cathode, and including therebetween a hole transport layer; and an electron transport layer disposed in operative relationship with the hole transport layer; wherein the hole transport layer includes an organic compound having the formula:
1
wherein:
substituents R
1
, R
2
, R
3
and R
4
are each individually hydrogen, or alkyl of from 1 to 24 carbon atoms; aryl or substituted aryl of from 5 to 20 carbon atoms; or heteroaryl or substituted heteroaryl of from 5 to 24 carbon atoms; or fluorine, chlorine, bromine; or cyano group.
一种有机多层电致发光器件,包括阳极和阴极,在阳极和阴极之间包括空穴传输层;以及与空穴传输层成工作关系的电子传输层;其中空穴传输层包括具有以下式子的有机化合物:
1
其中
取代基 R
1
, R
2
, R
3
和 R
4
分别为氢、1 至 24 个碳原子的烷基、5 至 20 个碳原子的芳基或取代芳基、5 至 24 个碳原子的杂芳基或取代杂芳基、
氟、
氯、
溴或
氰基。