ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:Samsung Display Co., Ltd.
公开号:US20190288216A1
公开(公告)日:2019-09-19
An organic electroluminescence device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1. In Formula 1, L
11
and L
21
are each independently represented by Formula 2, and L
12
and L
22
are each independently represented by Formula 3.
一种有机电致发光器件,包括第一电极、设置在第一电极上的空穴传输区域、设置在空穴传输区域上的发射层、设置在发射层上的电子传输区域和设置在电子传输区域上的第二电极,其中发射层包括由式1表示的多环化合物。在式1中,L11和L21各自独立地表示为式2,L12和L22各自独立地表示为式3。