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:
Jul. 22, 2024
Magnachip Mixed-signal, Ltd., Cheongju-si, KR;
Magnachip Mixed-Signal, Ltd., Cheongju-si, KR;
Abstract
A display driving device includes a timing controller and a charge pump configured to output a pump voltage for driving a source driver. The charge pump includes a flying capacitor; a first switch disposed between one end of the flying capacitor and a first terminal; a second switch disposed between the one end of the flying capacitor and a second terminal; a third switch disposed between another end of the flying capacitor and a third terminal; a fourth switch disposed between the another end of the flying capacitor and a fourth terminal; and a charge pump control unit configured to control turning on or off of the first to the fourth switches based on the anti-tearing signal, and control the first to the fourth switches based on the anti-tearing signal to operate in a first mode or a second mode configured to reduce power consumption than in the first mode.