Lg Display Co., Ltd.

Woong Sik Kim

Joo Soo Lim

Kyung Ho Lee

Do Young Lee

Bum Sik Kim

Wang-Sun Lee

A liquid crystal display device comprises a liquid crystal display panel having liquid crystal cells which are defined by a gate line and a data line and which are arranged in a matrix type, an electrostatic discharge protection circuit mounted on the liquid crystal display panel and connected to any one of the gate line and the data line, a first voltage supply line supplying the same voltage as a first gate voltage with which the gate line is supplied to the electrostatic discharge protection circuit, and a second voltage supply line supplying the same voltage as a second gate voltage with which the gate line is supplied to the electrostatic discharge protection circuit.

Liquid crystal display device having an electrostatic discharge protection circuit

The present invention relates to a transflective thin film transistor substrate and method of fabricating the same that is adaptive for simplifying its process. The liquid crystal display device includes: first and second substrates; a gate line on the first substrate; a gate insulating film on the first substrate; a data line crossing the gate line to define a pixel area; a thin film transistor connected to the gate line and the data line; an organic insulating film on the gate line, the data line and the thin film transistor, and having a transmission hole in the pixel area; a pixel electrode on the organic insulating film of the pixel area via the transmission hole and connected to the thin film transistor; and a reflective electrode on the pixel electrode having a same edge part as the pixel electrode or an edge part located at inner side from an edge part of the pixel electrode and exposing the pixel electrode of the transmission hole.

Method of fabricating a liquid crystal display device

The present invention relates to a transflective thin film transistor substrate and method of fabricating the same. A liquid crystal display device according to the present invention includes: a gate line crossing a data line with a gate insulating film there between to define a pixel area; a thin film transistor connected to the gate line and the data line; an organic film on the gate line, the data line and the thin film transistor, having a transmission hole passing through the gate insulating film in the pixel area; a pixel electrode on the organic film via the transmission hole and connected to the thin film transistor; and a reflective electrode having an edge part different from an edge part of the pixel electrode on the pixel electrode and exposing the pixel electrode of the transmission hole.

Transflective thin film transistor substrate of liquid crystal display device having a contact electrode connecting a data link to a data line

Disclosed is a method for fabricating a liquid crystal display device comprising: providing a first substrate having a pixel portion and a pad portion; sequentially laminating a gate insulating layer, a semiconductor layer and a first conductive layer on the first substrate where a gate electrode is formed; forming a first PR pattern, which is patterned relatively thin on a channel region of a transistor to be formed, on the first conductive layer with a half-tone mask; patterning the first conductive layer with the first PR pattern; forming a second PR pattern which is aligned with an outer periphery of the first conductive layer by performing a first ashing process on the first PR pattern; patterning the semiconductor layer using the second PR pattern; forming source/drain electrodes using the second PR pattern; forming a passivation layer and a pixel electrode on the first substrate; attaching a second substrate to the first substrate; and forming a liquid crystal layer between the first substrate and the second substrate.

Method for fabricating liquid crystal display device

LCD device with data/gate line pad electrodes and contact electrode including both a transparent conductive film and a metal layer interconnecting data link and data line through respective contact holes

Growing community of inventors

Seongnam-si, South Korea

Woong Sik Kim