Patent · US Active

Light-emitting device

US12256630B2 · kind B2 · utility

0Cited by
6References
20Claims
0Family size

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Inventors

Key dates

Filing dateNov 9, 2021
Grant dateMar 18, 2025
Priority date
Expiry dateNov 17, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2101/90
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes: a first host, a second host, and a dopant, at least one of the first host and the second host is an organometallic compound, and the first host, the second host, and the dopant satisfy the following Equation (1): |LUMO energy of H2−HOMO energy of H1|≥0.9×T1 energy of D.

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