Magnachip Mixed-Signal, Ltd.

Iljun Kim

Hyoungkyu Kim

Okyeon Park

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.

Growing community of inventors

Cheongju-si, South Korea

Iljun Kim