Organic electroluminescent materials and devices
US11814403B2 · kind B2 · utility
0Cited by
31References
20Claims
0Family size
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Key dates
| Filing date | Mar 3, 2020 |
| Grant date | Nov 14, 2023 |
| Priority date | — |
| Expiry date | Aug 20, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Tetradentate platinum complexes comprising an imidazole/benzimidazole carbene having a structure of Formula I is disclosed. In Formula I, M is Pd or Pt. These platinum carbenes with the specific substituents disclosed herein are novel and provides phosphorescent emissive compounds that exhibit physical properties that can be tuned, such as sublimation temperature, emission color, and device stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.