Organic electroluminescence device
US12268085B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2021 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Sep 25, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a first host compound represented by Formula 1, a second host compound represented by Formula 2, and a dopant compound comprising an organometallic complex including Pt, Au, or Cu as a central metal element, and may show improved life characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.