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. 18, 2020
Filed:
May. 29, 2015
Applicant:
Osram Opto Semiconductors Gmbh, Regensburg, DE;
Inventors:
Assignee:
OSRAM OPTO Semiconductors GmbH, Regensburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 5/12 (2006.01); G02B 5/124 (2006.01); G02B 5/128 (2006.01); G02B 5/13 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133605 (2013.01); G02B 5/12 (2013.01); G02B 5/124 (2013.01); G02B 5/128 (2013.01); G02B 5/13 (2013.01); G02F 1/133603 (2013.01); G02F 1/133608 (2013.01); G02F 1/133611 (2013.01);
Abstract
In various embodiments, a backlighting device is provided. The backlighting device may include a plurality of semiconductor light sources arranged in a plane and serving for generating light radiation, and a side wall arranged laterally with respect to the semiconductor light sources, where the side wall is inclined with respect to the plane predefined by the semiconductor light sources, and wherein the side wall is retroreflective at a side which can be irradiated with light radiation of the semiconductor light sources.