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:
Jul. 27, 2021
Filed:
Nov. 26, 2019
Applicant:
Infineon Technologies Ag, Neubiberg, DE;
Inventors:
Assignee:
INFINEON TECHNOLOGIES AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/50 (2020.01); H05B 45/58 (2020.01); H05B 47/23 (2020.01); H05B 45/14 (2020.01);
U.S. Cl.
CPC ...
H05B 47/23 (2020.01); H05B 45/14 (2020.01); H05B 45/58 (2020.01);
Abstract
A method and an electronic circuit are disclosed. The method includes detecting at least one operating parameter in an electronic circuit that includes a monitored LED string; adjusting a voltage threshold based on the at least one detected operating parameter; detecting a string voltage across the monitored LED string; comparing the string voltage with the voltage threshold; and detecting a defect in the LED string based on the comparing.