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.

Date of Patent:
Sep. 28, 2021

Filed:

Jul. 23, 2018
Applicant:

Tridonic Gmbh & CO KG, Dornbirn, AT;

Inventor:

Istvan Bakk, Torokbalint, HU;

Assignee:

TRIDONIC GMBH & CO KG, Dornbirn, AT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 39/04 (2006.01); H05B 41/36 (2006.01); H05B 45/3725 (2020.01); H05B 45/10 (2020.01); H05B 45/48 (2020.01); H05B 45/395 (2020.01);
U.S. Cl.
CPC ...
H05B 45/3725 (2020.01); H05B 45/10 (2020.01); H05B 45/48 (2020.01); H05B 45/395 (2020.01);
Abstract

LED light source, comprising a series connection of at least two LED strings, wherein each of the at least two LED strings corresponds to a single LED or comprises at least two LEDs, wherein at least one ohmic resistive element is connected in series with a first LED string of the at least two LED strings, and at least one switching element is connected in parallel to the series connection of the at least one ohmic resistive element and the first LED string, wherein the at least one switching element is configured to bypass in its conductive state the series connection of the at least one ohmic resistive element and the first LED string.


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