申请人:Samsung Display Co., Ltd.
公开号:EP3214153A1
公开(公告)日:2017-09-06
Organic Light-Emitting Device
An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, wherein the organic layer comprises: i) a hole transport region between the first electrode and the emission layer, and comprising at least one selected from a hole injection layer, a hole transport layer, an emission auxiliary layer, and an electron blocking layer, and ii) an electron transport region between the emission layer and the second electrode and comprising an electron transport layer, in addition to at least one selected from a hole blocking layer, an electron control layer, a buffer layer, and an electron injection layer, wherein the electron transport region comprises a compound represented by Formula 1:
有机发光器件
一种有机发光器件,包括:第一电极;面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、由发射层组成的有机层,其中有机层包括i) 在第一电极和发射层之间的空穴传输区域,包括空穴注入层、空穴传输层、发射辅助层和电子阻挡层中的至少一种;以及 ii) 在发射层和第二电极之间的电子传输区域,包括电子传输层,此外还包括空穴阻挡层、电子控制层、缓冲层和电子注入层中的至少一种,其中电子传输区域包括由式 1 表示的化合物: