Arylamine compound, and organic electroluminescent device and electronic apparatus
AssigneeShaanxi Lighte Optoelectronics Material Co., Ltd.
InventorsXianbin XU, Lei YANG
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Abstract
The present application relates to the technical field of organic electroluminescent materials, and provides an arylamine compound having a structure represented by formula 1, and an organic electroluminescent device and electronic device comprising same. When used as a hole transport material in a hybrid host material, the arylamine compound of the present application can improve the carrier balance in a light-emitting layer, broaden the carrier recombination area, improve the exciton generation and utilization efficiency, improve the light-emitting efficiency of a device and prolong the service life of the device.
Claims18
An arylamine compound, having the structure represented by Formula 1 as follows:
- wherein, X is selected from O or S;
- L, L1 and L2 are each independently selected from a single bond, a substituted or unsubstituted arylene having 6 to 30 carbon atoms, and a substituted or unsubstituted heteroarylene having 3 to 20 carbon atoms;
- Ar1 and Ar2 are the same or different, and are each independently selected from a substituted or unsubstituted aryl having 6 to 30 carbon atoms, and a substituted or unsubstituted heteroaryl having 3 to 20 carbon atoms;
- the substituents in L, L1, L2, Ar1, and Ar2 are the same or different, and are each independently selected from deuterium, cyano, halogen, alkyl having 1-10 carbon atoms, haloalkyl having 1-10 carbon atoms, deuterated alkyl having 1-10 carbon atoms, alkoxy having 1-10 carbon atoms, alkylthio having 1-10 carbon atoms, trialkylsilyl having 3-12 carbon atoms, aryl having 6-15 carbon atoms, heteroaryl having 3-12 carbon atoms, and cycloalkyl having 3-10 carbon atoms;
- optionally, any two adjacent substituents form a saturated or unsaturated 3-15 membered ring.
Dependencies are inferred from the claim text.