Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Lg.philips Co., Ltd.

Soon Sung Yoo

Heung Lyul Cho

Seung Hee Nam

Oh Nam Kwon

Youn Gyoung Chang

Dong Yeung Kwak

Yong Wan Kim

Byung Chul Ahn

Yu Ho Jung

Dug Jin Park

Woo Chae Lee

Hu Sung Kim

Byoung Ho Lim

Nam Kook Kim

Jae Young Oh

Young Hun Ha

Jae Gu Lee

Byung Ho Lim

Hoo Sung Kim

Jong Hee Hwang

Youn-Gyoung Chang

In Jae Chung

Hong Sik Kim

Jung Jae Lee

Deuk Su Lee

Hee Young Kwack

Nack Bong Choi

Ki Yong Kim

Chang Deok Lee

Seong Su Lee

Provided are a roller apparatus, a printing method and a method of fabricating an LCD device using the same, which can minimize the number of processes and a printing defect. In the printing method, first patterns are formed on a blanket. The first patterns have different surface energy from that of the blanket, and the blanket is formed around a roller. The roller is rotated and a printing material is dropped to form second patterns on the blanket between the first patterns. The second patterns are transferred from the roller onto a substrate.

Roller apparatus, printing method and method of fabricating liquid crystal display device using the same

The present invention relates to an apparatus and method for repairing a liquid crystal display panel, which is capable of improving a yield thereof by darkening a bright point to minimize a defect ratio thereof. An apparatus for repairing a liquid crystal display panel according to the present invention includes: a liquid crystal display panel including a repair film formed on any one of a first substrate and a second substrate, which are facing to each other with a liquid crystal layer therebetween; and a laser irradiating device to irradiate a laser to the repair film to darken a specific area of the repair film, which is corresponded to an area where a bright point appears in the liquid crystal display panel.

Apparatus and method for repairing liquid crystal display device

A liquid crystal display panel device includes a thin film transistor array substrate having a gate line provided on a substrate, a data line intersecting the gate line and having a gate insulating pattern disposed therebetween to define a pixel area, a thin film transistor provided at the intersection between the gate line and the data line, a protective film for protecting the thin film transistor, a pixel electrode provided at the pixel area and connected to the thin film transistor, a gate pad connected to the gate line and formed from a transparent conductive film included in the gate line, and a data pad connected to the data line and formed from the transparent conductive film, and a color filter array substrate joined with the thin film transistor array substrate to be opposed to each other, wherein the protective film is provided at an area where it overlaps with the color filter array substrate to expose the transparent conductive films included in the gate pad and the data pad.

Liquid crystal display panel device with a transparent conductive film formed pixel electrode and gate pad and data pad on substrate and method of fabricating the same

The present invention relates to the implementation of minute patterns and thus improving pattern resolution and transcription property. Provided is a printing substrate for a liquid crystal display comprising a transparent insulating substrate, and a material layer for dry etching formed on an upper surface of the transparent insulating substrate, the material layer for dry etching constituting a printing pattern, and a manufacturing method of a printing substrate for a liquid crystal display comprising forming a material layer on a transparent insulating substrate, applying a photo resist along a printing pattern on the upper side of the material layer, dry-etching the material layer along the printing pattern using the photo resist as an etching mask, and striping the photo resist.

Printing substrate for liquid crystal display, and manufacturing method thereof

A liquid crystal display device and a fabricating method thereof for simplifying a process are disclosed. In the method of fabricating the liquid crystal display device, a first conductive pattern group including a gate line and a gate electrode, a common line and a common electrode, a pixel electrode and a pad in a multiple conductive layer having a stepwise shape including a transparent conductive layer is formed on a substrate by a first mask process. An insulating film and a semiconductor layer including a plurality of contact holes are formed on the first mask pattern group by a second mask process. A second pattern group including a data line, a source electrode and a drain electrode is formed on the semiconductor layer and the semiconductor layer is patterned, and an active layer is exposed between the source electrode and the drain electrode by a third mask process.

Liquid crystal display device and fabricating method thereof with a simplified mask process

A method of manufacturing a precise printing plate, and a method of manufacturing an LCD device using the same are disclosed, the method of manufacturing the precise printing plate comprising forming a mask layer of a predetermined pattern on a substrate; etching the substrate with an etchant including an anionic surfactant by using the mask layer of the predetermined pattern, to thereby form a trench; and removing the mask layer.

Method of manufacturing printing plate and method of manufacturing liquid crystal display device using the same

Disclosed is a shadow mask having a fine slit that can improve precision and resolution of a pattern by reducing side etching during an etching process of a mask substrate, and a manufacturing method thereof. The shadow mask includes a mask substrate, a slit region formed by penetrating through the mask substrate, the slit region having a plurality of undercut portions at respective sides thereof, each undercut portion having a unit thickness, and a shadow region provided in the mask substrate, the shadow region corresponding to a region other than the slit region.

Shadow mask and manufacturing method thereof

An alignment key, a method for fabricating the alignment key, and a method for fabricating a thin film transistor substrate using the alignment key are provided. The alignment key includes a base substrate, a first alignment key and a first mark portion of a second alignment key, which are formed on the base substrate using a printing roll, a dielectric that is formed on the base substrate to cover the first alignment key, and a second mark portion of the second alignment key, which is formed on the dielectric and at least partly overlaps the first mark portion of the second alignment key.

Alignment key, method for fabricating the alignment key, and method for fabricating thin film transistor substrate using the alignment key

A flat panel display, a fabricating method thereof, a fabricating apparatus thereof, a picture quality controlling method thereof and a picture quality controlling apparatus for reducing a recognizing degree of a defective pixel and electrically compensating a charging characteristics of the defective pixel are provided. In the flat panel display, a display panel has a plurality of pixels. A defective pixel is electrically connected to an adjacent normal pixel. A memory stores a location data that indicates a location of the link pixel and a compensation data that compensates for charging characteristics of the link pixel. A compensation circuit modulates a digital video data to be displayed on the link pixel on the basis of the location data and the compensation data.

Flat panel display having a compensation circuit to compensate a defective pixel

A method for manufacturing a liquid crystal display includes simultaneously forming a gate electrode and a gate bus line on a transparent dielectric substrate, simultaneously forming a channel layer, an ohmic contact layer, and source/drain electrodes by forming a gate insulation film, an amorphous silicon film, a doped amorphous silicon film, and a metal film on the transparent dielectric substrate on which the gate electrode and the gate bus line are formed and etching the metal film, the amorphous silicon film, and the doped amorphous silicon film, and forming a pixel electrode by forming a protective film and a transparent metal film on the transparent dielectric substrate upon which the source/drain electrodes are formed and finely etching the transparent metal film through a lift-off process using a stripper solution.

Stripper solution and method of manufacturing liquid crystal display using the same

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

A liquid crystal display device and a fabricating method thereof for simplifying a process are disclosed. In the method of fabricating the liquid crystal display device, a first conductive pattern group including a gate line and a gate electrode, a common line and a common electrode, a pixel electrode and a pad is formed on a substrate. An insulating film including a plurality of contact holes and a semiconductor pattern is formed on the first mask pattern group. And a second conductive pattern group including a data line, a source electrode and a drain electrode is formed on an insulating film provided with the semiconductor pattern, and exposes an active layer of the semiconductor pattern.

Liquid crystal display and fabricating method thereof

Provided are an alignment key, a method for fabricating the alignment key, and a method for fabricating a thin film transistor substrate using the alignment key. The method for fabricating the alignment key includes forming a first metal layer on a base substrate, forming a first alignment key and a first mark portion of a second alignment key by selectively patterning the first metal layer, forming a dielectric on the first metal layer, forming a second metal layer on the dielectric, and forming a second mark portion of the second alignment key on the dielectric by selectively patterning the second metal layer.

An LCD and an LCD repairing method are provided. The LCD repairing method includes forming a hole on a first or second substrate at a position corresponding to a defective pixel and forming a pigment in the hole. The LCD includes a first substrate on which a pixel electrode and a TFT are formed in a pixel region formed in a matrix pattern, a second substrate on which a color filter layer and a black matrix are formed, the second substrate facing the first substrate, a hole formed on an outer surface of the first or second substrate to repair a defective pixel, and a repair pattern formed in the hole.

Growing community of inventors

Gunpo-si, South Korea

Soon Sung Yoo