Light-emitting compound and organic electroluminescence device

摘要

A light-emitting compound includes two or more carbazole skeletons each having two or more fluorine atoms at 2-, 4-, 5- and 7-positions, the carbazole skeleton represented by the formula (1):;where two or more of R2, R4, R5 and R7 are F and a remainder is H.

主权项

1. An organic electroluminescence device, comprising:
a light-emitting layer between a cathode and an anode, the light-emitting layer comprising
a host material which is a light-emitting compound, anda blue-emitting dopant, wherein the host material is polyvinylcarbazole comprising a repeating unit comprising a carbazole skeleton having two fluorine atoms located at 2- and 7-positions, represented by the following formula: