Patent · US Active

Quantum-dot light emitting diode and quantum-dot light emitting display device

US11127913B2 · kind B2 · utility

1Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 21, 2019
Grant dateSep 21, 2021
Priority date
Expiry dateNov 21, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K2102/351
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A quantum-dot light emitting diode includes a first electrode; a second electrode facing the first electrode; a QD emitting material layer between the first and second electrodes and including a QD; a hole transporting layer between the first electrode and the QD emitting material layer and including a first hole transporting material; a first electron transporting layer between the QD emitting material layer and the second electrode; and a first electron control layer between the QD emitting material layer and the first electron transporting layer and including a second hole transporting material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.