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:
Apr. 19, 2011
Filed:
Jan. 18, 2008
Hermann Oppermann, Berlin, DE;
Julius Muschaweck, Gauting, DE;
Jochen Kunze, Moers, DE;
Thomas Luce, Esslingen, DE;
Eike Krochmann, Neckartenzlingen, DE;
Walter Tews, Greifswald, DE;
Gundula Roth, Leverhagen, DE;
Hermann Oppermann, Berlin, DE;
Julius Muschaweck, Gauting, DE;
Jochen Kunze, Moers, DE;
Thomas Luce, Esslingen, DE;
Eike Krochmann, Neckartenzlingen, DE;
Walter Tews, Greifswald, DE;
Gundula Roth, Leverhagen, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
A light-emitting semi-conductor diode comprising a light emitting chip at least partially surrounded by a transparent electronics protecting body on which a composite layer foil is disposed, the composite layer foil includes at its side facing away from the electronics protection body a carrier layer, which has a refraction index that is greater than the refraction index of the electronics protection body and, at the opposite side, an active layer of the same material of which the electronics protecting body consists.