Lg Display Co., Ltd.

Ki-Taeg Shin

Ji-Won Kang

Sun-Hyun Choi

Tae-Yun Roh

Dong-Geun Lim

Sung-Jin Kim

Kyoung-Wook Kim

Chel-Hee Jo

An in-cell touch type display device includes a touch electrode that is in a display panel and arranged at each touch block, a sensing line that is connected to the touch electrode, and transfers a common voltage during a display period, and at least one dummy line that is connected to the touch electrode, and has a resistance less than that of the touch electrode.

In-cell touch type display device

Disclosed is a display device that includes an array substrate that includes a display region and a first non-display region, and includes a signal line connected to a pixel in the display region; a first signal transfer line that is at the first non-display region and transfers a test signal, and a second signal transfer line that transfers a test enable signal; a connection pattern connected to the first signal transfer line; a test transistor that is connected between the signal line and the connection pattern, and is connected to the second signal transfer line; and an electrostatic induction element that includes a dummy device in the form of either a dummy pattern and/or a dummy test transistor, the dummy pattern including a dummy connection pattern connected to the first signal transfer line, the dummy test transistor connected to the second signal transfer line.

Display device

An in-cell touch type display device includes a touch electrode that is in a touch panel and arranged at each touch block; a sensing line that is connected to the touch electrode, and transfers a touch driving signal from a source driving circuit during a touch sensing period; a gate-in panel (GIP) circuit that is in an array substrate, and outputs a gate signal to a gate line crossing and overlapping the sensing line, during a display period; and a load reduction circuit that outputs the touch driving signal to the gate line during the touch sensing period.

In-cell touch type display device to reduce capacitive load and driving IC thereof

A method of manufacturing an array substrate for an FFS mode LCD device includes forming a gate line and a gate electrode on a substrate, forming a pixel electrode in the pixel region, forming a gate insulating layer on the gate line, the gate electrode and the pixel electrode, forming a data line, a source electrode, a drain electrode, and a semiconductor layer on the gate insulating layer, forming a passivation layer on the data line, the source electrode and the drain electrode, the passivation layer including a drain contact hole and a pixel contact hole, and forming a connection pattern and a common electrode on the passivation layer, wherein the common electrode includes bar-shaped first openings in the pixel region, and the connection pattern contacts the drain electrode and the pixel electrode through the drain contact hole and the pixel contact hole, respectively.

Growing community of inventors

Daegu, South Korea

Ki-Taeg Shin