Samsung Display Co., Ltd.

Sogang University Research Foundation

Samsung Electronics Co., Ltd.

Tai Ji An

Seung Hoon Lee

Jun Sang Park

Weon Jun Choe

Moon Sang Hwang

Yong Kim

Gil Cho Ahn

Kee Ho Ryu

Je Min Jeon

An analog-to-digital conversion device and analog-to-digital conversion method thereof are provided. The analog-to-digital conversion device includes an analog circuit configured to output an analog input signal, and an analog-to-digital converter configured to receive the analog input signal and configured to outputting a digital output signal corresponding to the analog input signal with the use of first and second capacitor arrays, each of the first and second capacitor arrays including a first capacitor having a calibration capacitor connected thereto and a second capacitor having no calibration capacitor connected thereto, wherein the analog-to-digital converter is configured to calibrate the capacitance of the first capacitor by providing a first calibration voltage to the calibration capacitor and is configured to output the digital output signal corresponding to the analog input signal with the use of the calibrated capacitance of the first capacitor.

Analog-to-digital converter and analog-to-digital conversion method thereof

A data driver includes a digital to analog converter configured to receive a reference gray voltage and image data, and configured to generate gray voltages corresponding to the image data, and an output buffer including a plurality of buffer circuits connected to an output terminal of the digital to analog converter, and configured to selectively receive one of the gray voltages.

Data driver and display device with the same

Growing community of inventors

Seoul, South Korea

Tai Ji An