Electroluminescent display devices and methods of making the same
US11884853B2 · kind B2 · utility
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2References
19Claims
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Key dates
| Filing date | Oct 30, 2019 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Feb 1, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A nanoparticle conjugate includes a quantum dot (QD) and a thermally activated delayed fluorescence (TADF) molecule bound to the QD. In some instances, the TADF molecule can be directly bound to a surface of the QD. In other instances, the TADF molecule can be indirectly bound to the QD via an interaction with one or more capping ligands disposed on a surface of the QD. Nanoparticle conjugates described herein can be incorporated into emissive layers of electroluminescent light-emitting diode devices to yield electroluminescent quantum dot-containing light-emitting diode (QD-LED) devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.