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. 27, 2007
Filed:
Dec. 29, 2005
Applicants:
Andries Ellens, The Hague, NL;
Frank Jermann, Munich, DE;
Michael Ostertag, Munich, DE;
Inventors:
Assignees:
Patent-Treuhand-Gesellschaft fur Elektrische Gluhlampen mbH, Munich, DE;
Osram Opto Semiconductors GbmH, Regensburg, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01); H01L 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The inventive white-light emitting luminescent conversion LED uses a chlorosilicate luminous substance which is doped with europium in addition to containing Ca and Mg and a garnet rare-earth substance, especially Y and/or Tb. This results in high quality color reproduction and highly constant lighting properties at various temperatures.