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:
Oct. 25, 2011
Filed:
Sep. 01, 2003
Applicants:
Georg Bogner, Hainsacker, DE;
Patrick Kromotis, Penang, MY;
Ralf Mayer, Bolanden, DE;
Heinrich Noll, Groβ-Umstadt, DE;
Inventors:
Georg Bogner, Hainsacker, DE;
Patrick Kromotis, Penang, MY;
Ralf Mayer, Bolanden, DE;
Heinrich Noll, Groβ-Umstadt, DE;
Assignees:
Siemens Aktiengesellschaft, München, DE;
OSRAM Opto Semiconductors GmbH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F 13/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An illumination device for backlighting an image reproduction device containing light valves, the illumination device including a plurality of luminous spots arranged in grid format on a flat thermally conductive carrier. Each luminous spot having a plurality of light emitting diodes electrically insulated from one another, and a submount exhibiting good thermal conductivity and being connected to the carrier.