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Joo Soo Lim

Joo Soo Lim, Gumi-Si KR

Patent application numberDescriptionPublished
20090021687Method of lifting off and fabricating array substrate for liquid crystal display device using the same - A method of lifting off includes forming a first material layer on a substrate; forming a photoresist pattern including first and second holes and on the first material layer; patterning the first material layer using the photoresist pattern as a patterning mask to form a material pattern having first and second grooves within the material pattern, the first and second grooves corresponding to the first and second holes, respectively; forming a second material layer on an entire surface of the substrate including the photoresist pattern and the first and second grooves; and removing the photoresist pattern and the second material layer on the photoresist pattern at the same time, wherein a portion of the material pattern between the first and second grooves and portions of the material pattern at sides of the first and second grooves constitute a line as a whole.01-22-2009
20090023254METHOD OF FORMING INORGANIC INSULATING LAYER AND METHOD OF FABRICATING ARRAY SUBSTRATE FOR DISPLAY DEVICE USING THE SAME - A method of forming an inorganic insulating layer on a substrate comprises supplying a mixed gas between the substrate and a target, and generating a plasma between the substrate and the target. The target comprises a silicon-based material. The method further comprises depositing a plurality of ions from the plasma on the substrate.01-22-2009
20090275155Method of fabrication a liquid crystal display device - 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.11-05-2009
20100165224LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATING METHOD THEREOF - A method of fabricating a liquid crystal display device includes in a first mask process, forming a first mask pattern group including a gate line, a gate electrode connected to the gate line and a common line parallel to the gate line that have a first conductive layer group structure having at least double conductive layers. A second mask process forms a gate insulating film on the first mask pattern group and a semiconductor pattern thereon. A third mask process forms a third mask pattern group including a data line, a source electrode connected to the data line and a drain electrode opposite the source electrode that have a second conductive layer group structure having at least double conductive layers, and a protective film interfacing with the third mask pattern group on the gate insulating film.07-01-2010
20100165281LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device having a simplified manufacturing process is disclosed. The liquid crystal display device includes a gate line and a common line having a first conductive layer group having at least double conductive layers. A common electrode is formed by an extension of at least one transparent conductive layer of a common line. A portion of the common electrode is formed of one conductive layer of the first conductive layer group, while a remaining portion of the common electrode is formed of the first conductive layer group. The gate line, a source electrode and a drain electrode have a second conductive layer group having at least double conductive layers, and the pixel electrode is formed by an extension of at least one transparent conductive layer of the drain electrode.07-01-2010
20100231820LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATING METHOD THEREOF - A thin film transistor substrate for applying a horizontal electric field and a fabricating method thereof for simplifying a process are disclosed. In a liquid crystal display device according to the present invention, a gate line on a substrate; a data line crossing the gate line having a gate insulating film there between to define a pixel area; a thin film transistor including a gate electrode, a source electrode, a drain electrode and a semiconductor layer to define a channel between the source electrode and the drain electrode; a common line on the substrate; a common electrode in the pixel area; and a pixel electrode in the pixel area to form a horizontal electrode field with the common electrode, wherein the data line, the source electrode and the drain electrode have an opaque conductive pattern and a transparent conductive pattern, the pixel electrode is formed by an extension of the transparent conductive pattern of the drain electrode, and a protective film borders with the transparent conductive pattern and in the remaining area thereof.09-16-2010

Patent applications by Joo Soo Lim, Gumi-Si KR

Joo Soo Lim, Gyeongbuk KR

Patent application numberDescriptionPublished
20100047974METHOD OF MANUFACTURING THIN FILM TRANSISTOR ARRAY SUBSTRATE - A simplified method of manufacturing a thin film transistor array substrate is disclosed. The method includes: forming gate electrodes, gate lines and gate pads on a substrate with the use of a first mask; forming a gate insulation film, a semiconductor layer, and a metal layer on the substrate; forming a first photoresist pattern on the metal layer with the use of a second mask; forming first contact holes for the gate pads with the use of the first photoresist pattern; forming a second photoresist pattern, and providing patterns for data pads, data lines, and thin film transistors with the use of the second photoresist pattern; providing a third photoresist pattern, and forming contact holes for source/drain electrodes and second contact holes the gate pads with the use of the third photoresist pattern; forming a protective film on the substrate and providing a fourth photoresist pattern on the protective film with the use of a third mask; forming third contact holes for the gate pads, contact holes for the data pads, gate lines, and drain electrodes, and contact holes for pixel electrodes, with the use of the fourth photoresist pattern; and forming a transparent conduction film on the fourth photoresist pattern having the contact holes.02-25-2010

Joo Soo Lim, Gyeongsangbuk-Do KR

Patent application numberDescriptionPublished
20090032819Array substrate for liquid crystal display device and method of fabricating the same - An array substrate for a liquid crystal display device, including: a substrate; a gate line on the substrate; a data line crossing the gate line to define a pixel region; a thin film transistor connected to the gate line and the data line, the thin film transistor including a gate electrode connected to the gate line, a semiconductor layer whose boundary is within the gate electrode, a source electrode connected to the data line and a drain electrode spaced apart from the source electrode; a passivation pattern covering the data line and the thin film transistor; and a pixel electrode extending from the drain electrode.02-05-2009
20090284677Liquid crystal display device and method for fabricating the same - A liquid crystal display device includes a gate line on a substrate; a data line crossing the gate line with a gate insulating film interposed between the gate line and the data line to define a pixel region; a thin film transistor at the crossing of the gate line and the data line; a pixel electrode connected to the thin film transistor; a common electrode forming a horizontal electric field with the pixel electrode in the pixel region; a gate pad connected to the gate line; and a data pad connected to the data line, wherein the gate pad and the data pad includes a lower pad in the same layer as the gate line and made of the same material as the gate line, a lower contact hole through the gate insulating film to expose the lower pad, an upper pad in the same layer as the data line, made of the same material as the data line, and connected to the lower pad through the lower contact hole, and an upper contact hole through a passivation film protecting the thin film transistor to expose the upper pad, and a semiconductor layer of the thin film transistor overlaps with the gate electrode of the thin film transistor, and has a width smaller than that of a gate electrode of the thin film transistor.11-19-2009

Patent applications by Joo Soo Lim, Gyeongsangbuk-Do KR

Joo Soo Lim, Kyongsangbuk-Do KR

Patent application numberDescriptionPublished
20090066868Transflective liquid crystal display device and method for manufacturing the same - A transflective type LCD device and a method for manufacturing the same is disclosed, in which an aperture ratio of a reflective part is improved, and manufacturing process is simplified by decreasing the number of masks for forming contact holes. The transflective type LCD device includes a plurality of gate and data lines crossing each other, defining a plurality of pixel regions; a thin film transistor at a crossing point of the gate and data lines; a lower storage electrode formed by one portion of a preceding gate line, and an upper storage-electrode above the lower storage electrode having a gate insulating layer in between; a transmitting electrode in contact the upper storage electrode; and a reflective electrode in contact with the transmitting electrode in the reflective part of the pixel region wherein the transmitting electrode is in between the reflective electrode and the substrate.03-12-2009