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. 14, 2026
Filed:
May. 10, 2021
Applicant:
Infineon Technologies Ag, Neubiberg, DE;
Inventors:
Xing Su, Shanghai, CN;
Fausto Borghetti, Sant'Ambrogiodi Valpolicella, IT;
Enrico Tonazzo, Villanova di Camposampiero, IT;
Assignee:
Infineon Technologies AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/30 (2020.01); H05B 45/345 (2020.01); H05B 45/375 (2020.01); H05B 45/54 (2020.01); H05B 47/10 (2020.01); H05B 47/14 (2020.01); H05B 47/155 (2020.01); H05B 47/16 (2020.01); H05B 47/165 (2020.01); H05B 47/17 (2020.01); H05B 47/25 (2020.01);
U.S. Cl.
CPC ...
H05B 47/25 (2020.01); H05B 45/345 (2020.01); H05B 45/375 (2020.01); H05B 45/54 (2020.01); H05B 47/14 (2020.01); H05B 47/155 (2020.01); H05B 47/16 (2020.01); H05B 47/165 (2020.01); H05B 47/17 (2020.01);
Abstract
Light emitting diode, LED, controllers (), light-emitting diode drive systems () and corresponding methods are provided. A LED arrangement () is switchable between a first set of active LEDs () and a second set of active LEDS (). Upon switching, a series switch () between a power supply and the LED arrangement is switched off and on repeatedly during a transition period.