Patent · US Active

Dithiazine-based hole transport material, preparing method thereof, and organic light-emitting device

US11374179B2 · kind B2 · utility

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1References
5Claims
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Key dates

Filing dateSep 20, 2019
Grant dateJun 28, 2022
Priority date
Expiry dateSep 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.