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:
Jun. 28, 2022
Filed:
Mar. 20, 2018
Applicant:
Osram Opto Semiconductors Gmbh, Regensburg, DE;
Inventors:
Assignee:
OSRAM OLED GMBH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 25/075 (2006.01); F21S 4/28 (2016.01); H05B 45/345 (2020.01); H05B 45/48 (2020.01); H05B 45/375 (2020.01); H05B 45/395 (2020.01); F21Y 105/18 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
H01L 25/0753 (2013.01); F21S 4/28 (2016.01); H05B 45/345 (2020.01); H05B 45/375 (2020.01); H05B 45/395 (2020.01); H05B 45/48 (2020.01); F21Y 2105/18 (2016.08); F21Y 2115/10 (2016.08);
Abstract
A lighting device and a lighting system are disclosed. In an embodiment, a lighting device includes at least one optoelectronic semiconductor chip, two contacts configured to couple the lighting device to a DC voltage and a driver circuit interconnected in series with the at least one semiconductor chip in a string, wherein the driver circuit comprises a monolithic, unhoused controller, wherein the driver circuit is configured to adjust a current for operating the at least one semiconductor chip, and wherein the string extends between the two contacts in an electrically coupling way.