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. 07, 2015
Filed:
Mar. 23, 2011
Peter Brick, Regensburg, DE;
Stephan Kaiser, Regensburg, DE;
Gerhard Kuhn, Koefering, DE;
Ales Markytan, Regensburg, DE;
Julius Muschaweck, Gauting, DE;
Christian Neugirg, Regensburg, DE;
Peter Brick, Regensburg, DE;
Stephan Kaiser, Regensburg, DE;
Gerhard Kuhn, Koefering, DE;
Ales Markytan, Regensburg, DE;
Julius Muschaweck, Gauting, DE;
Christian Neugirg, Regensburg, DE;
OSRAM Opto Semiconductor GmbH, Regensburg, DE;
Abstract
A surface light guide has a radiation exit area extending along a main extension plane of the surface light guide and is provided for laterally coupling radiation. The surface light guide includes scattering locations for scattering the coupled radiation. The surface light guide includes a first boundary surface and a second boundary surface which delimit the light conductance of the coupled-in radiation in the vertical direction. A first layer and a second layer are formed on each other in the vertical direction between the first boundary surface and the second boundary surface. Further disclosed are a planar emitter including at least one surface light guide.