Samsung Display Co., Ltd.

Bongho Bae

Ok-Kwon Shin

Sehui Jang

Chongguk Lee

Hyunho Lim

Myeong Bin Lim

Hyun Ha Yang

A display device includes: a display panel including a plurality of pixels; a power management circuit configured to generate an analog power supply voltage; and a data driver configured to provide a pre-emphasis voltage and a data voltage to the plurality of pixels based on the analog power supply voltage, wherein the display device is configured to adjust a voltage level of the pre-emphasis voltage according to a distance from the data driver to each of the plurality of pixels to which the pre-emphasis voltage is applied, and wherein the display device is configured to adjust a voltage level of the analog power supply voltage according to the adjusted voltage level of the pre-emphasis voltage.

Display device and method of operating a display device

A display apparatus includes a display panel, a gate driver, a data driver and a gamma reference voltage generator. The display panel is configured to display an image based on input image data. The gate driver is configured to output a gate signal to the display panel. The data driver is configured to output a data voltage to the display panel. The gamma reference voltage generator includes a plurality of gamma amplifiers having varied bias currents. The gamma reference voltage generator is configured to generate gamma reference voltages and to output the gamma reference voltages to the data driver.

Display apparatus and method of driving display panel using the same

Growing community of inventors

Suwon-si, South Korea

Bongho Bae