Composition of matter for use in organic light-emitting diodes
US11440901B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Sep 12, 2019 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Oct 27, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/82
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to compounds of Formula (1) as useful materials for OLEDs. A is CN, cyanoaryl, or heteroaryl having at least one nitrogen atom as a ring-constituting atom; and D1, D2 and D3 are diarylamino or carbazolyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.