Lg Display Co., Ltd.

So-Jeong Kim

Chan Young Park

Nak-Yoon Kim

A display device includes a display panel displaying an image using a gate signal and a data signal. The display device includes a gate driving circuit generating the gate signal using a gate control signal. The display device includes a data driving circuit generating the data signal using a data control signal and an image data Application. The display device includes a timing controlling circuit generating the gate control signal, the data control signal, and the image data using an image signal and a plurality of timing signals. The timing controlling circuit is further configured to transmit the gate control signal, the data control signal, and the image data with a variable refresh rate profile different based on a temperature.

Display device operated with variable refresh rate and method of driving the same

A display device includes a timing controlling unit configured to generate an image data, a data control signal and a gate control signal; a data driving unit configured to generate a data signal using the image data and the data control signal; a gate driving unit configured to generate a gate1 signal, an odd gate2 signal, an even gate2 signal, a gate3 signal, a gate4 signal and an emission signal using the gate control signal; and a display panel displaying an image using the gate1 signal, the odd gate2 signal, the even gate2 signal, the gate3 signal, the gate4 signal and the emission signal. A rising timing of the emission signal and a falling timing of the gate3 signal are changed according to a duty ratio.

Growing community of inventors

Paju-si, South Korea

So-Jeong Kim