Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Dae Lim Park

Seong Soo Hwang

Su Hwan Moon

Sung Il Park

Young Sik Kim

Keuk Sang Kwon

Jong Hwae Lee

Bung Goo Kim

Sung Gu Kang

Jong A Choi

A liquid crystal display device includes a gate electrode formed on a substrate; a active pattern and an ohmic contact pattern formed to overlap with the gate electrode with a gate insulating film therebetween; a source electrode formed on the active pattern and the ohmic contact; a drain electrode formed to oppose the source electrode; a pixel electrode overlapped with the drain electrode and directly contacted with the drain electrode; a common electrode formed to overlap with the pixel electrode with a passivation film therebetween and having a plurality of holes; and wherein the plurality of holes of the common electrode are only formed on a region in which the pixel electrode is formed.

Liquid crystal display device

A LOG-type liquid crystal display panel and a fabricating method thereof that reduces a line resistance of a LOG-type signal line group within the confined area. In the panel, a picture display part has a plurality of liquid crystal cells, each of which is arranged at each crossing area between gate lines and data lines. Line on glass type signal lines are provided at an outer area of the picture display part by a line on glass system to apply driving signals required for driver integrated circuits for driving the gate lines and the data lines and to connect the driver integrated circuits to each other. The line on glass type signal lines are separately provided at different metal layers having an insulating film therebetween.

Liquid crystal display panel of line on glass type and method of fabricating the same

A method for manufacturing a liquid crystal display device is disclosed. The method includes forming a gate electrode, a gate pad, a gate line on a substrate by using a first mask; forming a gate insulating film, an active layer, an ohmic contact layer and a conductive layer in sequence above the substrate including the gate electrode, the gate line and the gate pad; forming an active pattern, an ohmic contact pattern, source/drain electrodes, a data line and a data pad by using a second mask; forming a pixel electrode on the gate insulating film in a pixel region by using a third mask, to contact with the drain electrode; exposing the active pattern by etching the ohmic contact pattern using the source/drain electrodes as an etching mask; forming a passivation film above the substrate including the source/drain electrodes, the data line and the data pad; forming a first contact hole for exposing the gate pad and a second contact hole for exposing the data pad by etching the passivation and/or gate insulating films using a fourth mask; and forming a common electrode having a plurality of holes on the substrate by using a fifth mask.

Method for manufacturing liquid crystal display device

An LCD device with improved an aperture ratio and decreased parasitic capacitance has a passivation layer of an inorganic material and which includes a gate line on a first substrate; a gate insulating layer on an entire surface of the first substrate including the gate line; a data line on the gate insulating layer in perpendicular to the gate line, to define a pixel region; a thin film transistor at a crossing portion of the gate and data lines; a passivation layer on the entire surface of the first substrate including the thin film transistor; a pixel electrode on the passivation layer, for being connected with a drain electrode of the thin film transistor; and a light-shielding metal for receiving a voltage, formed between the data line and the pixel electrode, to prevent a parasitic capacitance between the data line and the pixel electrode.

Liquid crystal display device having common line parallel to and between gate line and pixel electrode with light shield projecting from common line parallel to data line and overlapping area between data line and pixel electrode

It is an object of the present invention to provide a LOG-type liquid crystal display panel and a fabricating method that is adaptive for reducing a line resistance of a LOG-type signal line group within the confined area. A LOG-type liquid crystal display panel according to one aspect of the present invention includes a picture display part having a plurality of liquid crystal cells, each of which is arranged at each intersection area between gate lines and data lines; and line on glass type signal lines, being provided at an outer area of the picture display part by a line on glass system, for applying driving signals required for drive integrated circuits for driving the gate lines and the data lines, wherein said any one signal line of the line on glass type signal lines is provided by different metal layers formed between the insulating films and connected with each other in parallel.

A liquid crystal display device and a method for manufacturing the same are provided. The device and method increase contact stability by forming a contact hole exposing the lateral and upper surfaces of a metal layer using a diffraction mask. The device includes a lower metal layer on a substrate; a passivation layer on the substrate including the lower metal layer; a contact hole on the passivation layer so as to expose the lateral and upper surfaces of the lower metal layer; and an upper metal layer in the contact hole and over the passivation layer, and in contact with the exposed lateral and upper surface of the lower metal layer.

Growing community of inventors

Kyongsangbuk-do, South Korea

Dae Lim Park