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:
Jun. 02, 2009
Filed:
Aug. 03, 2005
Martin Pfeiffer, Dresden, DE;
Jan Blochwitz-nimoth, Dresden, DE;
Andrea Lux, Dresden, DE;
Josef Salbeck, Kassel, DE;
Martin Pfeiffer, Dresden, DE;
Jan Blochwitz-Nimoth, Dresden, DE;
Andrea Lux, Dresden, DE;
Josef Salbeck, Kassel, DE;
Novaled AG, Dresden, DE;
Abstract
The present invention relates to use of an organic matrix material for producing an organic semiconductor material, characterized in that the organic matrix material is comprised at least partly of a spirobifluorene compound, and the glass transition temperature of the organic matrix material is at least 120° C. and the highest occupied molecular orbital (HOMO) of the matrix material is at a maximum energy level of 5.4 eV; and also to an organic semiconductor material and electronic component.