Organic electroluminescent device
US11711970B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 31, 2020 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Aug 6, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/622
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
To provide an organic electroluminescent device in which energy efficiency is improved. An organic electroluminescent device includes a pair of electrode layers formed of an anode layer and a cathode layer, and a luminescent layer arranged between the pair of electrode layers, in which the luminescent layer includes a host material and a dopant material, and the dopant material is an anthracene-based compound represented by formula (1), and the luminescent layer further includes a polycyclic aromatic compound represented by formula (2) or a multimer of a polycyclic aromatic compound having a plurality of structures represented by formula (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.