Compound, display panel and display apparatus
US12144248B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 31, 2019 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Oct 14, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to the technical field of OLED, and provides a compound having TADF property. In an embodiment the compound has a structure according to Formula (1), in which X1-X5 are each independently selected from a carbon atom and a nitrogen atom, and at least one of X1-X5 is a nitrogen atom; R11-R20 are each selected from the group consisting of a hydrogen atom, a fluorine atom, alkyl, alkoxy, cyano, trifluoromethyl, an electron-accepting group, and an electron-donating group; at least one of R11-R15 is an electron-donating group or an electron-accepting group, and at least one of R16-R20 is an electron-donating group or an electron-accepting group; when each of R11-R15 is an electron-accepting group, at least one of R16-R20 is an electron-donating group, and each of R11-R15 is an electron-donating group, at least one of R16-R20 is an electron-accepting group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.