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:
Oct. 21, 2025
Filed:
May. 04, 2022
Lg Electronics Inc., Seoul, KR;
Kyoungryul Lim, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
The present disclosure provides a display device comprising: a lighting unit including a plurality of LED modules; a pulse width modulation signal generator configured to output an alternating-current signal for controlling on or off of each of the plurality of LED modules; an RC filter configured to convert the alternating-current signal into a rectification signal; an LED circuit configured to turn on or off each of the plurality of LED modules according to a voltage intensity of the rectification signal; and a processor configured to adjust the duty ratio of the alternating-current signal output from the pulse width modulation signal generator on the basis of the operation state information of the display device to control on or off of each of the plurality of LED modules.