Lg Philips Lcd Co., Inc.

Lg Display Co., Ltd.

Yong Wan Kim

Soon Sung Yoo

Dong Yeung Kwak

Yu Ho Jung

Dug Jin Park

Woo Chae Lee

Hu Sung Kim

Byung Chul Ahn

Dong-Jin Park

Young Hun Ha

Byung Ho Lim

Hoo Sung Kim

Seong Su Lee

A liquid crystal display has a pad structure. The pad structure includes at least one pad formed on a substrate, an insulating film formed on the pad, and at least one conductive layer connected to the pad through contact holes defined through the insulating film. The insulating film covers side surfaces of the pad and a portion of the substrate adjacent to the side surfaces of the pad.

Pad structure for liquid crystal display and method of manufacturing thereof

An array panel for a liquid crystal display device includes a substrate, a gate line and a gate electrode on the substrate, wherein the gate line is connected to the gate electrode, a gate insulating layer on the gate line and the gate electrode, an active layer on the gate insulating layer, an ohmic contact layer on the active layer, a data line, a source electrode, and a drain electrode on the ohmic contact layer, wherein the data line, the source electrode, and the drain electrode are formed of molybdenum, a passivation layer on the data line, the source and drain electrodes, and a pixel electrode on the passivation layer, wherein the ohmic contact layer has the same shape as the data line, the source, and drain electrodes, and the active layer has the same shape as the data line, and the source electrode, and the drain electrode except for a channel area between the source electrode and the drain electrode, and the channel area has a 'U' shape.

Array panel for liquid crystal display device with light shielding and method of manufacturing the same

A liquid crystal display device, and a fabricating method thereof, that is capable of providing uniform liquid cell gaps. A main seal defines a liquid crystal injection area. A first step coverage-compensating layer is provided between a substrate on which the main seal has been coated and the main seal. A plurality of dummy seals is arranged external to the main seal. A second step coverage-compensating layer having the same thickness as the first step coverage-compensating layer is provided between the substrate on which the dummy seals are arranged and the dummy seals. Accordingly, a main seal and dummy seals having the same thickness produce uniform liquid crystal cell gaps. The liquid crystal display device is beneficially made by a fabrication process employing four or five masks.

Liquid crystal display device having more uniform seal heights and its fabricating method

Array panel for liquid crystal display device and method of manufacturing the same

A liquid crystal display device and a method of fabricating the same are disclosed. The device, as disclosed, reduces the number of masks required to fabricate. Thus, cost is reduced and yield is increased. The device includes a plurality of gate lines, a plurality of data lines crossing the gate lines such that active regions are defined near the crossover points, thin film transistors are formed near the active regions, and a plurality of pixel electrodes are formed within regions defined by the adjacent gate and data lines. Also, pixel electrodes overlap gate lines and the two electrodes function as a storage capacitor. A fabrication method includes forming a gate line; forming a data line region, protections layers, and an active area where drain and source electrodes are spaced apart a predetermined distance; forming a data line, a gate line protection layer, and a gate insulating layer; and forming pixel electrodes by depositing a transparent conductive material, such that each pixel electrode also overlaps a portion of a gate line.

Liquid crystal display device having particular connections among drain and pixel electrodes and contact hole

A method of removing pattern defects in a liquid crystal display more particularly, a liquid crystal display having an IOP structure where a transparent conductive layer is formed on a passivation layer, removes pattern defects in active layers or data wires of an LCD simultaneously and quickly, without causing any damage on other parts of the LCD, by exposing pattern defects in the air, then carrying out an etching process in use of pixel electrodes and an etch-stop layer as an etch mask. The method of removing pattern defects in a liquid crystal display, wherein the liquid crystal display comprises a gate wire on a substrate wherein the gate wire includes a gate electrode and gate line, a gate insulating layer covering an exposed surface of the substrate including the gate wire, a data wire on the gate insulating layer wherein the data wire includes a data line, source electrode, and drain electrode, an active layer on the gate insulating layer wherein the active layer constitutes a thin film transistor with the gate, source, and drain electrodes which are properly overlapped one another, a passivation layer covering an exposed surface of the substrate except a portion of the data wire, and a pixel electrode on the passivation layer wherein the pixel electrode is connected to the exposed data wire, includes the steps of forming an etch-stop layer covering the data wire and thin film transistor, exposing at least one pattern defect by etching the passivation layer in use of the etch-stop layer and pixel electrode as an etch mask, removing the pattern defect, and removing the etch-stop layer.

Liquid crystal display having passivation layer partially exposing gate insulating layer

A method of fabricating a liquid crystal display device includes the steps of forming a gate electrode on a transparent substrate; forming a gate insulating film, an active layer and an ohmic contact layer on the transparent substrate to cover the gate electrode; forming a source electrode and a drain electrode on the ohmic contact layer and patterning the drain electrode to form an L-shaped portion and a plurality of protrusions; forming a protective layer on the source and drain electrodes such that side surfaces of the protective layer, the drain electrode, the ohmic contact layer and the active layer are exposed; and forming a pixel electrode on the protective layer to electrically contact the side surface of the drain electrode.

Liquid crystal display having a drain electrode with a plurality of protrusions and a fabrication method thereof

A liquid crystal display device includes dummy patterns formed between gate links and between data links. The gate links and data links are coated with a sealant to obtain the same height as a liquid crystal area at the opposite side thereof through the dummy patterns, providing a uniform cell gap.

Liquid crystal display device and fabricating method thereof

A photo mask for patterning a lightning rod includes a shorting bar pattern and a plurality of pad patterns, an outer lightning rod pattern connected to the shorting bar pattern, an inner lightning rod pattern connected to the pad pattern, projections from each of the outer and inner lightning rod patterns, and a fine pattern in a &ldquo;&rdquo; shape connected between the projections, or a redundancy fine pattern connected between the pad patterns, or a plurality of the lightning rod patterns connected in series, thereby protecting the photo mask for patterning a lightning rod from damage from static electricity, and permitting patterning of an accurate lightning rod.

Photo mask for patterning a lightning rod

A liquid crystal display is provided that includes a first substrate including a thin film transistor and a storage capacitor, a second substrate including a color filter layer with a recess at a location opposite to the storage capacitor, a common electrode on the color filter layer, and a liquid crystal layer between the first and second substrates. Spacers are provided between the first and second substrates to maintain a gap therebetween. In regions that include the storage capacitor, the recess compensates for a height difference in layers forming the capacitor on the first substrate to maintain a substantially uniform liquid crystal layer thickness over the whole region of the liquid crystal display, and thus provides a high quality picture.

Growing community of inventors

Kyoungsangbuk-do, South Korea

Yong Wan Kim