Ester-based solvent systems for printable organic light-emitting diode ink formulations
US10662343B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Jan 30, 2019 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Jan 30, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/15
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Ink compositions for forming active layers in an organic light-emitting diode are provided. Also provided are methods of forming active layers of an OLED using the ink compositions. The ink compositions comprise a solvent system in which a substantial majority of the solvent is comprised of one or more ester compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.