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:
Feb. 22, 2005
Filed:
Feb. 15, 2002
Applicants:
Horst Hartmann, Merseburg, DE;
Andreas Kanitz, Höchstadt, DE;
Wolfgang Rogler, Möhrendorf, DE;
Kay Steffen, Eichstetten a. Kaiserstuhl, DE;
Inventors:
Horst Hartmann, Merseburg, DE;
Andreas Kanitz, Höchstadt, DE;
Wolfgang Rogler, Möhrendorf, DE;
Kay Steffen, Eichstetten a. Kaiserstuhl, DE;
Assignee:
SIEMENS Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D498/22 ; F21S004/00 ; H01J001/62 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to chromophores exhibiting semiconductive properties, the production and use thereof as luminophores in organic light-emitting diodes (OLEDs) and organic solar cells. The invention more specifically relates to highly condensed boron complex compounds wherein the boron atoms have improved processability, solubility and the fluorescence quantum efficiency is increased by building up by spirocenters.