Lg Display Co., Ltd.

Bo-Young Jung

Ji-Eun Chae

Jung-Eun Ahn

Sung-Il Park

In-Duk Song

Dae-Lim Park

A shift register is discussed in which a pull-up switching device is turned off positively in a period in which no scan pulse is forwarded for securing drive stability and prevents a picture quality from becoming poor. The shift register in one embodiment includes stages having any one of first and second start pulses, and any one of first to fourth clock pulses to forward a scan pulse in succession, wherein the first and second start pulses are in gate high voltage states for two horizontal periods, with the second start pulse forwarded with a delay of one horizontal period than the first start pulse. The first to fourth clock pulses are in gate high voltages for two horizontal periods, with one horizontal period delay to one another.

Shift register

An array substrate for a fringe field switching mode liquid crystal display device includes a substrate including a display region and a non-display; a gate line on the substrate and in the display region; a common pad on the substrate and in the non-display region; a gate insulating layer on the gate line and the common pad; a data line on the gate insulating layer and crossing the gate line to define a pixel region in the display region; a thin film transistor connected to the gate and data lines; a first passivation layer on the data line and the thin film transistor; a common electrode on the first passivation layer and covering an entire surface of the display region; a second passivation layer on the common electrode; and a pixel electrode on the second passivation layer and having a plate shape in each pixel region.

Growing community of inventors

Gumi-si, South Korea

Bo-Young Jung