Dibenzothiophene-containing materials in phosphorescent light emitting diodes
US9123903B2 · kind B2 · utility
19Cited by
38References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2013 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Feb 21, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic light emitting device that includes an anode, a cathode, an enhancement layer, and an emissive layer that includes homoleptic iridium complexes containing phenyl-imidazole ligands, which include at least one fused substituent. The enhancement layer also includes a new dibenzothiophene and dibenzofuran-containing compound that is useful as a material in an enhancement layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.