Compound, display panel, and display device
US12289989B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 18, 2019 |
| Grant date | Apr 29, 2025 |
| Priority date | — |
| Expiry date | Jun 21, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure belongs to technical field of OLEDs, and provides a compound suitable as a hole transport material and an electron blocking material of OLEDs. The compound has a general structure according to [Chemical Formula 1], in which Ar1 and Ar2 are each independently selected from a hydrogen atom, a substituted or unsubstituted C5-C40 aryl, or a substituted or unsubstituted C5-C40 heteroaryl; m and n are each an integer independently selected from 0, 1, or 2; X is selected from O, S, or —NR—; R is selected from hydrogen, or a substituted or unsubstituted C5-C40 aryl; Ar3 has a structure according to [Chemical Formula 2], in which R1-R8 are each independently selected from a hydrogen atom, or a substituted or unsubstituted C5-C40 aryl; Y is selected from O, S, or —NR′—; and R′ is selected from a hydrogen atom, or a substituted or unsubstituted C5-C40 aryl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.