Perovskite luminescent nanocrystal, light emitting device, and manufacturing method for perovskite luminescent nanocrystal
US10808172B2 · kind B2 · utility
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Key dates
| Filing date | Sep 11, 2019 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Sep 11, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0361
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A perovskite luminescent nanocrystal has a chemical formula represented by: Cs4BX6, wherein B includes one or more selected from the group consisting of Ge, Pb, Sn, Sb, Bi, Cu, and Mn, and X includes one or more selected from the group consisting of Cl, Br, and I, wherein the Cs4BX6 perovskite luminescent nanocrystal has a pure phase, and a molar ratio of Cs to B (Cs/B) in the Cs4BX6 perovskite luminescent nanocrystal is greater than 1 and less than 4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.