申请人:LUMINESCENCE TECHNOLOGY CORPORATION
公开号:US09048437B2
公开(公告)日:2015-06-02
The present invention discloses a novel organic compound is represented by the following formula(A), the organic EL device employing the compound as blue emitting layer can lower driving voltage, prolong half-lifetime and increase the efficiency.
Wherein m represent an integer of 0 to 8, n represent an integer of 0 to 10, p represent an integer of 0 to 7, HAr represent a hydrogen, a halide, a cyanine group, a substituted or unsusbstituted heteroaryl group system having 5 to 6 aromatic ring atoms, R1 to R4 are identical or different. R1 to R4 are independently selected from the group consisting of a hydrogen atom, alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 30 carbon atoms.
本发明揭示了一种新型有机化合物,其表示为以下式(A),采用该化合物作为蓝光发射层的有机EL器件可以降低驱动电压,延长半寿命并提高效率。其中m表示0到8的整数,n表示0到10的整数,p表示0到7的整数,HAr表示氢、卤素、氰基、具有5到6个芳香环原子的取代或未取代杂芳基团,R1至R4相同或不同。R1至R4可独立地选择自氢原子、具有1到30个碳原子的烷基团、具有6到30个碳原子的取代或未取代芳基团、具有6到30个碳原子的取代或未取代芳基烷基团。