ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE
申请人:Samsung Electronics Co., Ltd.
公开号:EP3842444A1
公开(公告)日:2021-06-30
An organometallic compound, an organic light-emitting device including the same and an electronic apparatus including the organic light-emitting device are disclosed. The organometallic compound has a C2 symmetric structure, and is represented by Formula 1,
wherein the sum of Δ(Ir-N) and Δ(Ir-C) is about 0.002 angstroms or less:
Formula 1 Ir(L1)2(L2)
wherein, in Formula 1,
L1 is a ligand represented by Formula 2 as provided herein, wherein one of two L1s is a first L1 ligand and the other L1s is a second L1 ligand and the first L1 ligand and the second L1 ligand are identical to each other,
L2 is a ligand represented by Formula 3 as provided herein, and
Δ (Ir-N) and Δ(Ir-C) are as defined herein.
本发明公开了一种有机金属化合物、包括有机金属化合物的有机发光器件以及包括有机发光器件的电子设备。该有机金属化合物具有 C2 对称结构,由式 1 表示、
其中 Δ(Ir-N) 和 Δ(Ir-C) 之和约为 0.002 埃或更小:
式 1 Ir(L1)2(L2)
其中,在式 1 中
L1 是由本文提供的式 2 所代表的配体,其中两个 L1 中的一个是第一 L1 配体,另一个是第二 L1 配体,且第一 L1 配体和第二 L1 配体彼此相同、
L2 是由本文提供的式 3 所代表的配体,且
Δ(Ir-N)和Δ(Ir-C)如本文所定义。