Dithiazine-based hole transport material, preparing method thereof, and organic light-emitting device
US11374179B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Sep 20, 2019 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Sep 20, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A dithiazine-based hole transport material, preparing method thereof and an organic light-emitting device are provided; a molecular structural formula of the hole transport material is as following: wherein R1 and R2 are each an electron-donating group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.