Samsung Display Co., Ltd.

Jeong-young Kim

Donggyu Lee

Geunjeong Park

Jae-Hyeon Jeon

Dongwan Park

Yoon-ho Kim

A display apparatus includes a display panel, a driving controller, a gate driver, an emission driver and a data driver. The display panel includes a pixel including a driving switching element and a light emitting element. The driving controller is configured to determine a driving frequency varied according to input image data or a driving mode. The gate driver is configured to output a gate signal and a bias control signal to the pixel. The emission driver is configured to output an emission signal to the pixel. The data driver is configured to output a data voltage to the pixel. The bias control signal to apply a bias voltage to the driving switching element has a first width in a writing frame and a second width different from the first width in a holding frame.

Display apparatus and method of driving the same

A display device includes a display panel including first to (m*n−1)pixel rows and a dummy pixel row, where each of m and n is a natural number greater than or equal to 2, an emission driver which provides emission signals to the first to (m*n−1)pixel rows and the dummy pixel row, and a timing controller which provides an emission start signal and a dummy start signal to the emission driver. Each of the emission signals includes a plurality of on-periods and a plurality of off-periods in one frame period, and time points of off-periods of an emission signal provided to the dummy pixel row are the same as time points of off-periods of an emission signal provided to each of k*npixel rows, where k is a natural number greater than or equal to 1 and less than m.

Growing community of inventors

Yongin-si, South Korea

Jeong-young Kim