Patent · US Active

Organometallic compound, organic light-emitting device including the organometallic compound, and diagnostic composition including the organometallic compound

US11731994B2 · kind B2 · utility

2Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 2019
Grant dateAug 22, 2023
Priority date
Expiry dateNov 6, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2101/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

An organometallic compound represented by Formula 1: M(L1)n1(L2)n2  Formula 1 wherein, in Formula 1, M is a transition metal, L1 is a ligand represented by Formula 2A, L2 is a ligand represented by Formula 2B, n1 is 1 or 2, wherein, when n1 is 2, two groups L1 are identical to or different from each other, n2 is 1 or 2, wherein, when n2 is 2, two group L2 are identical to or different from each other, the sum of n1 and n2 is 2 or 3, and L1 and L2 are different from each other wherein X1, ring CY1, ring CY2, ring CY14, R1 to R3, R11 to R14, Z1 to Z3, a1, a2, a3, b1, and c1 are the same as described in the description, and * and *′ in Formulae 2A and 2B each indicate a binding site to M in Formula 1.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.