Organic electroluminescent material and organic electroluminescent device comprising same
US11424412B2 · kind B2 · utility
1Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2020 |
| Grant date | Aug 23, 2022 |
| Priority date | — |
| Expiry date | May 18, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/6576
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention related to an organic electroluminescent material and organic electroluminescent device thereof. The organic electroluminescent material has the structural formula as shown in formula 1. Compared with a monoamine structure containing an adamantyl group, the diamine structure disclosed in the present invention has higher HOMO energy level and hole mobility, and can exhibit higher efficiency and service life than a monoamine material device. The organic electroluminescent device comprising the organic electroluminescent material has lower driving voltage, and higher luminous efficiency and service life.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.