申请人:Samsung Display Co., Ltd
公开号:US11329230B2
公开(公告)日:2022-05-10
Provided is an organic light-emitting device including a first compound and a second compound that offers low driving voltage and high efficiency. The organic light-emitting device includes an emission layer between a first electrode and a second electrode, and an electron transport region between the second electrode and the emission layer. The electron transport region includes the first compound. A hole transport region between the first electrode and the emission layer includes the second compound.
本文提供了一种包括第一化合物和第二化合物的有机发光器件,该器件具有低驱动电压和高效率的特点。该有机发光器件包括位于第一电极和第二电极之间的发射层,以及位于第二电极和发射层之间的电子传输区域。电子传输区域包括第一化合物。第一电极和发射层之间的空穴传输区包括第二化合物。