Composition of matter for use in organic light-emitting diodes
US12029116B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Oct 8, 2019 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | May 13, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to compounds of Formula (I) as useful materials for OLED's. At least two of Z1, Z2, Z3, Z4 and Z5 are CN, cyanoaryl, or heteroaryl having at least one nitrogen atom as a ring-constituting atom; and at least two of R1, R2, R3 and R4 are diarylamino, indolyl or carbazolyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.