ORGANIC ELECTRONIC MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE

摘要

An organic light-emitting material having the structure of formula (I) or (II) as described below and an organic light-emitting device (OLED) are disclosed. The OLED adopts the compound containing fluoranthene group as the electron transport material possessing good electron transport and injection ability. The material also enhances the luminous efficiency and lifetime of the device because of its excellent thermal stability and film-forming properties. At the same time, the high triplet energy and excellent electron transport capacity of the material containing fluoranthene group make it suitable to be used as the host for phosphorescent devices, increasing the number of electrons in the light-emitting layer and the efficiency of the device.;

主权项

1. An organic electronic material having the structure of formula (I) or (II) as described below: wherein, any four of R1-R5 are hydrogen, and the other is C1-C6 alkyl, C7-C24 aryl, substituted or unsubstituted heteroaromatic ring(s) having one or more heteroatoms (N, O, S), triaryl silyl, diarylamino, diaryl phosphine oxide, aromatic carbonyl, arylthio; or R1, R3, R5 are hydrogen, R2, R4 independently represent C1-C6 alkyl, C6-C24 aryl, heteroaromatic ring(s) with one or more heteroatoms (N, O, S), triaryl silyl, diarylamino, diaryl phosphine oxide, aromatic carbonyl, arylthio, A represents C(R6)2, N(R7), S, O, P(R8), S(O)2 or B(R9), R6-R9 independently represent hydrogen, deuterium, alkyl, phenyl, alkylphenyl, heteroaromatic ring with one or more heteroatoms (N, O, S), a cyclized structure formed between two R6 and C.