Pyrrolopyrrole derivatives, their manufacture and use
US8404864B2 · kind B2 · utility
7Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2008 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Oct 10, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to compounds of the formula (I) wherein the substituents are as defined in claim 1, and their use as organic semiconductor in organic devices, like diodes, organic field effect transistors and/or a solar cells. The compounds of the formula I have excellent solubility in organic solvents. High efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when said compounds are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.