The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2014
Filed:
Mar. 29, 2011
Mathias Dueggeli, Thürnen, DE;
Ralph Reiger, Darmstadt, DE;
Klaus Muellen, Köln, DE;
Natalia Chebotareva, Hagenthal le Bas, FR;
Dirk Beckmann, Harxheim, DE;
Mathias Dueggeli, Thürnen, DE;
Ralph Reiger, Darmstadt, DE;
Klaus Muellen, Köln, DE;
Natalia Chebotareva, Hagenthal le Bas, FR;
Dirk Beckmann, Harxheim, DE;
BASF SE, Ludwigshafen, DE;
Abstract
An organic semiconductor material, layer or component, comprising a copolymer of the formula wherein v and w each generally are from the range 4 to 1000; A is a benzodithiophene repeating unit of the formula II or III and COM is selected from certain arylene-type repeating units, and combinations thereof. The present copolymers, as well as composites thereof, may be used as semiconductor in the preparation of electronic devices such as photodiodes, organic field effect transistors and especially organic photovoltaic devices such as solar cells.