Organic electroluminescent materials and devices
US11889708B2 · kind B2 · utility
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32References
18Claims
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Key dates
| Filing date | Nov 2, 2020 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | May 14, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided are ortho-substituted biphenyl compounds with one or more bicarbazole linkages. Also provided are formulations comprising these ortho-substituted biphenyl compounds. Further provided are OLEDs and related consumer products that utilize these ortho-substituted biphenyl compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.