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:
Jul. 14, 2015
Filed:
Sep. 27, 2011
Dirk Berben, Herdecke, DE;
Joerg Frischeisen, Schwabmuenchen, DE;
Frank Jermann, Koenigsbrunn, DE;
Stefan Lange, Augsburg, DE;
Dirk Berben, Herdecke, DE;
Joerg Frischeisen, Schwabmuenchen, DE;
Frank Jermann, Koenigsbrunn, DE;
Stefan Lange, Augsburg, DE;
Osram GmbH, Munich, DE;
Abstract
A light system based on at least two chips, in particular LEDs containing chips may include at least one first chip capable of emitting a primary radiation, a layer containing a phosphor mounted in front of the first chip, for converting the primary radiation of the first chip into secondary radiation, at least one second chip capable of emitting a second primary radiation with a greater wavelength than the primary radiation, wherein the layer is arranged spaced apart from the first chip, wherein the second chip is arranged in such a way that its radiation is substantially not absorbed by the phosphor.