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. 11, 2023
Filed:
Jul. 21, 2022
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventors:
Frederic Stephane Diana, Santa Clara, CA (US);
Yifeng Qiu, San Jose, CA (US);
Assignee:
Lumileds LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/20 (2020.01); H05B 45/24 (2020.01); H05B 45/46 (2020.01);
U.S. Cl.
CPC ...
H05B 45/20 (2020.01); H05B 45/24 (2020.01); H05B 45/46 (2020.01);
Abstract
An interface currents channeling circuit may be used to convert two current channels of a conventional two-channel driver into three driving currents for the three strings of LEDs. By doing so, the same two channel driver can be used for applications requiring just two LED arrays as well as three LED arrays.