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. 12, 2013
Filed:
Sep. 22, 2009
Applicants:
Andreas Kanitz, Höchstadt, DE;
Wolfgang Roth, Uttenreuth, DE;
Inventors:
Andreas Kanitz, Höchstadt, DE;
Wolfgang Roth, Uttenreuth, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/15 (2006.01); G02F 1/00 (2006.01); G02B 5/23 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organically based electrochromic component, e.g. for the production of displays and/or state indicators produces at least two colors. For the first time, two colors can be switched according to the voltage by using a dye system of 4,4'-bipyridinium salts.