申请人:IDEMITSU KOSAN CO., LTD.
公开号:US11094886B2
公开(公告)日:2021-08-17
An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer disposed between the first emitting layer and the cathode, the first emitting layer containing a first host material in a form of a first compound represented by a formula (101) below, the second emitting layer containing a second host material in a form of a second compound represented by a formula (2) below, the first emitting layer and the second emitting layer being in direct contact with each other.
一种有机电致发光器件包括一个阳极、一个阴极、一个第一发射层和一个位于第一发射层和阴极之间的第二发射层,第一发射层包含由下式(101)表示的第一化合物形式的第一宿主材料,第二发射层包含由下式(2)表示的第二化合物形式的第二宿主材料,第一发射层和第二发射层彼此直接接触。