Mixtures and applications thereof in optoelectronic field
US-2024090316-A1 · Mar 14, 2024 · US
Polythiophene-containing ink compositions for inkjet printing
US9206328B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9206328-B2 |
| Application number | US-201414553592-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 25, 2014 |
| Priority date | Sep 16, 2011 |
| Publication date | Dec 8, 2015 |
| Grant date | Dec 8, 2015 |
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Abstract
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Ink compositions comprising polythiophenes and aprotic organic solvents that are formulated for inkjet printing the hole injecting layer (HIL) of an organic light emitting diode (OLED) are provided. Also provided are methods of inkjet printing the HILs using the ink compositions.
First claim
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What is claimed is: 1. An ink composition comprising: at least 40 wt. % of an electrically conductive polythiophene; at least 5 wt. % of an aprotic organic solvent having a boiling point of no greater than 240° C., a viscosity of no greater than 15 cPs at 25° C. and a surface tension of no greater than 55 dyne/cm at 25° C.; and water. 2. The ink composition of claim 1 comprising at least 50 wt. % of the electrically conductive polythiophene and at least…
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Frequently asked questions
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- What does patent US9206328B2 cover?
- Ink compositions comprising polythiophenes and aprotic organic solvents that are formulated for inkjet printing the hole injecting layer (HIL) of an organic light emitting diode (OLED) are provided. Also provided are methods of inkjet printing the HILs using the ink compositions.
- Who is the assignee on this patent?
- Kateeva Inc
- What technology area does this patent fall under?
- Primary CPC classification C09D11/52. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Dec 08 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).