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:
Feb. 11, 2025
Filed:
Mar. 31, 2023
Applicant:
Lx Semicon Co., Ltd., Daejeon, KR;
Inventors:
Sang Suk Kim, Daejeon, KR;
Jang Su Kim, Daejeon, KR;
Ji Hwan Kim, Daejeon, KR;
Jong Min Lee, Daejeon, KR;
Kyeong Rok Lee, Daejeon, KR;
Assignee:
LX SEMICON CO., LTD., Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2016.01);
U.S. Cl.
CPC ...
G09G 3/32 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/0633 (2013.01); G09G 2340/0407 (2013.01);
Abstract
An LED driving circuit adjusts a PWM driving frequency in light emitting diode driving, and changes a PWM frequency of an LED driving circuit in response to a frequency of a PWM clock signal delivered externally or internally.