Organic electroluminescent materials and devices
US12286410B2 · kind B2 · utility
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31References
19Claims
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Key dates
| Filing date | Apr 14, 2021 |
| Grant date | Apr 29, 2025 |
| Priority date | — |
| Expiry date | Sep 16, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/121
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided are carbazole-based host compounds containing a 9-membered ring represented by Formula I where the variables are defined herein. Also provided are formulations comprising these carbazole-based hosts compounds. Further provided are OLEDs and related consumer products that utilize these carbazole-based hosts compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.