Diketopyrrolopyrrole polymers for use in organic semiconductor devices
US8629238B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 2010 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | Aug 19, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a polymer containing a unit of formula -[A]-, a unit of formula -[COM1]-, and a unit of formula -[COM2]-, wherein A is a repeating unit of formula (I):COM1 is a repeating unit of formula:andCOM2- is a second repeating unit -COM1-, which is different from the first repeating unit -COM1-, a second repeating unit -A-, which is different from the first repeating unit -A-, or a repeating unit of formula:The invention also relates to articles and devices containing the polymer above, as well as processes for preparing the polymer and the articles and devices containing the polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.