Light emitting device including a quantum dot light emitting layer having a first and second ligand on a surface of a quantum dot
US11476433B2 · kind B2 · utility
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Key dates
| Filing date | Apr 3, 2020 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Dec 16, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is a light emitting device including a lower electrode, an upper electrode disposed to face the lower electrode, a quantum dot light emitting layer between the lower electrode and the upper electrode, an electron transport layer between the lower electrode and the quantum dot light emitting layer, and a hole transport layer between the upper electrode and the quantum dot light emitting layer, wherein the quantum dot light emitting layer includes a quantum dot, and a first ligand on a surface of the quantum dot, and a second ligand on the surface of the quantum dot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.