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. 06, 2021
Filed:
May. 23, 2017
Applicant:
Osram Opto Semiconductors Gmbh, Regensburg, DE;
Inventors:
Thomas Schlereth, Pentling, DE;
Hagen Luckner, Pentling, DE;
Assignee:
OSRAM OLED GmbH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 4/24 (2016.01); F21K 9/232 (2016.01); F21K 9/238 (2016.01); F21K 9/64 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21K 9/232 (2016.08); F21K 9/238 (2016.08); F21K 9/64 (2016.08); F21S 4/24 (2016.01); F21Y 2115/10 (2016.08);
Abstract
A filament includes a plurality of strings including radiation-emitting semiconductor chips electrically connected in series; and a plurality of contact structures to contact the strings, wherein the contact structures electrically connect to semiconductor chips at ends of the strings such that the strings are electrically drivable via the contact structures, and the filament is configured such that the strings are electrically drivable at least separately from one another via the contact structures.