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:
Jun. 24, 2025
Filed:
Dec. 18, 2020
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventors:
Zhi Hua Song, Palo Alto, CA (US);
Ronald Johannes Bonne, Plainfield, IL (US);
Assignee:
Lumileds LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/10 (2020.01); H05B 45/325 (2020.01); H05B 45/44 (2020.01);
U.S. Cl.
CPC ...
H05B 45/10 (2020.01); H05B 45/325 (2020.01); H05B 45/44 (2020.01);
Abstract
An approach for controlling pixel turn on and turn off within an LED array is described. Turn-on delays for pixels within the LED array is based on the duty cycles of the pixels. The pixels are grouped based on corresponding duty cycles. The turn-on delay for each pixel is based on the group that includes the pixel, as well as position of the pixel within the group. The LED array is driven by circuitry in a CMOS backplane.