Lg Display Co., Ltd.

Yeon-Sun Kim

Kyo-Seop Choo

In-Hwan Kim

Hee-Kwang Kang

Kyong-Seok Kim

A liquid crystal device and method for displaying and sensing images are provided. According to one embodiment, the liquid crystal device includes a sensing part to sense an image in a scan mode of the liquid crystal device, the sensing part including at least one charging element which is charged at a start of the scan mode with a reset voltage, so as to reset the at least one charging element for the scan mode; and a display part to display an image corresponding to a data signal according to a scan signal in a display mode of the liquid crystal device.

Liquid crystal device displaying and sensing images and method of driving the same

A common voltage compensating circuit for a liquid crystal display device includes: a voltage distributing unit outputting a reference voltage; a deviation sensing unit detecting a deviation of a common voltage in a liquid crystal panel and outputting a deviation signal corresponding to the deviation of the common voltage; and a first compensating unit compensating the common voltage and outputting a first compensated common voltage by using the reference voltage, the deviation signal and an output thereof.

Growing community of inventors

Gangwon-do, South Korea

Yeon-Sun Kim