Patent · US Active

Light emitting device

US12245496B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 2021
Grant dateMar 4, 2025
Priority date
Expiry dateNov 25, 2043

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/549
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A light emitting device according to an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a fused polycyclic compound represented by Formula 1, which is defined in the specification.

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