COMPOSITION, LAYER INCLUDING THE COMPOSITION, LIGHT-EMITTING DEVICE INCLUDING THE COMPOSITION, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
申请人:Samsung Electronics Co., Ltd.
公开号:EP4101908A1
公开(公告)日:2022-12-14
A composition, including a first compound represented by Formula 1 and a second compound represented by Formula 2:
Formula 1 Ir(L11)n11(L12)n12(L13)n13
Formula 2 Ir(L21)n21(L22)n22(L23)n23
wherein L11, L12, L13, L21, L22, and L23 are each i) a bidentate ligand bonded to Ir of Formula 1 or 2 via two nitrogen atoms, ii) a bidentate ligand bonded to Ir of Formula 1 or 2 via a nitrogen atom and a carbon atom, or iii) a bidentate ligand bonded to Ir of Formula 1 or 2 via two carbon atoms, L11, L12, and L13 are different from one another; n11, n12, n21, and n22 are each independently 1 or 2; n13 and n23 are each independently 0 or 1; a sum of n11, n12, and n13 is 3; a sum of n21, n22, and n23 is 3; and L11 and L21 are different from each other.
一种组合物,包括由式 1 表示的第一种化合物和由式 2 表示的第二种化合物:
式 1 Ir(L11)n11(L12)n12(L13)n13
式 2 Ir(L21)n21(L22)n22(L23)n23
其中 L11、L12、L13、L21、L22 和 L23 各为 i) 通过两个氮原子与式 1 或式 2 的 Ir 结合的双齿配体,ii) 通过一个氮原子和一个碳原子与式 1 或式 2 的 Ir 结合的双齿配体,或 iii) 通过两个碳原子与式 1 或式 2 的 Ir 结合的双齿配体,L11、L12 和 L13 互不相同;n11、n12、n21 和 n22 各自独立地为 1 或 2;n13 和 n23 各自独立地为 0 或 1;n11、n12 和 n13 之和为 3;n21、n22 和 n23 之和为 3;以及 L11 和 L21 互不相同。