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:
Jan. 08, 2013
Filed:
Oct. 22, 2007
Applicants:
Claudia Castiglioni, Aindling, DE;
Wolfgang Gruber, Augsburg, DE;
Armin Konrad, Groβaitingen, DE;
Inventors:
Assignee:
OSRAM AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 63/04 (2006.01); C09K 11/78 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a fluorescent coating for Hg low-pressure discharge lamps, comprising a fluorescent composition from at least one green fluorescent material emitting in the green spectral range, especially a Tb-and/or Eu-doped green fluorescent material, and a red fluorescent material emitting in the red spectral range, especially a Eu and/or Mn red fluorescent material. The invention is characterized in that a further fluorescent material is present which is adapted to absorb UV Hg and Hg-Vis radiation.