Ink containing light-emitting elements and method of fabricating display device using the same
US12132140B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Sep 16, 2021 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Nov 20, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/032
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink includes a solvent, and light-emitting elements dispersed in the solvent, each of the light-emitting elements comprising semiconductor layers and an insulating film partially surrounding outer surfaces of the semiconductor layers, wherein the solvent has Hansen solubility parameters of a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.