申请人:Samsung Display Co., Ltd.
公开号:EP3244466A1
公开(公告)日:2017-11-15
An organic light emitting device comprises: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer, wherein the organic layer comprises a first compound, a second compound, a third compound, and a fourth compound, and the first compound to the fourth compound satisfy Equations 1 to 8: E1,LUMO≥E2,LUMO+0.15electron voltseV E1,HOMO≥E2,HOMO+0.15eV E1,T1≥E4,T1 E2,T1≥E4,T1 E3,T1≥E4,T1 E1,LUMO≥E2,LUMO+0.1eV −5.6eV≥E3,HOMO Egap1≥Egap3,
一种有机发光器件包括:第一电极;朝向第一电极的第二电极;以及位于第一电极和第二电极之间的有机层,有机层包括发射层,其中有机层包括第一化合物、第二化合物、第三化合物和第四化合物,且第一化合物至第四化合物满足公式1至8: E1,LUMO≥E2,LUMO+0.15eV E1,HOMO≥E2,HOMO+0.15eV E1,T1≥E4,T1 E2,T1≥E4,T1 E3,T1≥E4,T1 E1,LUMO≥E2,LUMO+0.1eV -5.6eV≥E3,HOMO Egap1≥Egap3、