Quantum-dot light emitting diode and quantum-dot light emitting display device
US11127913B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2019 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Nov 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.