申请人:SAMSUNG DISPLAY CO., LTD.
公开号:US20170288147A1
公开(公告)日:2017-10-05
An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:
一种有机发光器件,包括:阳极;位于阳极上的空穴传输区域;位于空穴传输区域上的发射层;位于发射层上的电子传输区域;以及位于电子传输区域上的阴极,其中空穴传输区域包括:第一空穴传输层,包括由以下化学式1表示的第一空穴传输材料或由以下化学式2表示的第二空穴传输材料;以及位于第一空穴传输层上的第二空穴传输层,第二空穴传输层包括由以下化学式3表示的第三空穴传输材料或由以下化学式4表示的第四空穴传输材料: