Composition of matter for use in organic light-emitting diodes
US11588118B2 · kind B2 · utility
0Cited by
5References
12Claims
0Family size
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Key dates
| Filing date | Oct 30, 2019 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | May 7, 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. X is O or S; Y1 to Y4 are N or R—C; at least one of R and R5 to R8 is CN or heteroaryl; and at least other one of R and R5 to R8 is diarylamino.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.