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Jae Young Oh

Jae Young Oh, Uiwang-Si KR

Patent application numberDescriptionPublished
20100200862LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATING METHOD THEREOF - A liquid crystal display device may comprise a semiconductor layer on a substrate and including a channel portion and ohmic contact portions at both sides of the channel portion, wherein an edge portion of the semiconductor layer has a side surface of a substantially tapered shape; a gate insulating layer covering the semiconductor layer; a gate electrode on the gate insulating layer and substantially corresponding to the channel portion; source and drain electrodes contacting the semiconductor layer; and a pixel electrode contacting the drain electrode.08-12-2010
20100283929ARRAY SUBSTRATE FOR IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - A fabricating method of an array substrate for an in-plane switching liquid crystal display device includes: forming a gate line and a common line on a substrate, the common line spaced apart from the gate line; forming a data line crossing the gate line to define a pixel region; forming a thin film transistor connected to the gate line and the data line; forming a pixel electrode and a common electrode in the pixel region, each of the pixel electrode and the common electrode including an opaque metal layer; and irradiating ultraviolet rays onto the opaque metal layer to form a metal oxide layer on the opaque metal layer.11-11-2010
20100308336ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - An array substrate for an LCD device and a manufacturing method thereof. The array substrate includes: a gate line, a gate electrode, a gate pad, and a pixel electrode formed on the substrate; a gate insulation layer formed on the substrate to expose the gate line and the pixel electrode; a source electrode connected to a data line crossing the gate line, a drain electrode facing the source electrode with a channel interposed, a data pad formed at one end of the data line, and a capacitor electrode overlapping portions of the pixel electrode and the gate line; a semiconductor layer constituting the channel between the source electrode and the drain electrode; first, second, third, and fourth contact holes formed in the gate pad, the data pad, the capacitor electrode, and the drain electrode, respectively; and first through fourth contact electrodes formed in the first through fourth contact holes, respectively.12-09-2010
20110012120ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATION METHOD THEREOF - Provided is a liquid crystal display (LCD) device and a fabrication method thereof. An array substrate for the LCD includes a gate line formed on a substrate, and a gate electrode extending from the gate line; a data line intersected with the gate line, wherein the data line is configured with a gate insulating layer, a semiconductor layer and a data metal layer; a pixel electrode formed of a first transparent metal layer at a pixel which is defined by an intersection of the gate line and the data line; a source electrode extending from the data line, and a drain electrode spaced apart from the source electrode by a predetermined distance to expose a channel; and a second transparent metal layer pattern formed on the data line, the source electrode and the drain electrode, wherein the second transparent metal layer connects the drain electrode and the pixel electrode to each other.01-20-2011

Patent applications by Jae Young Oh, Uiwang-Si KR

Jae Young Oh, Uiwang KR

Patent application numberDescriptionPublished
20100273276LIQUID CRYSTAL DISPLAY DEVICE HAVING A DUMMY PATTERN FOR REPAIRING DATA LINES - A liquid crystal display device and its fabrication method may prevent occurrence of light leakage generated from the sides of a data line. A dummy pattern at sides of the data line with glass powder as an insulation film may simplify the repairing process. A method for fabricating a liquid crystal display device includes a gate electrode, a gate line, a dummy pattern and a first insulation film that are formed on a substrate. A switching element is formed on a portion of the gate electrode and includes a source electrode, a drain electrode and an active layer. A data line formed at a portion of the dummy pattern. A second insulation film is formed on the substrate and has a first contact hole that exposes a portion of the drain electrode. A pixel electrode is formed on the substrate and is electrically connected with the drain electrode through the first contact hole.10-28-2010

Patent applications by Jae Young Oh, Uiwang KR

Jae Young Oh, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090136772Etching tape and method of fabricating array substrate for liquid crystal display using the same - A method of fabricating a liquid crystal display array substrate includes forming a gate wiring line having a gate pad electrode, forming a data wiring line having a data pad electrode, forming a protection layer over the gate pad electrode and the data pad electrode, and positioning etching tapes on the protection layer over the gate pad electrode and the data pad electrode.05-28-2009
20090152556Liquid crystal display panel and fabricating method thereof - A liquid crystal display panel includes: a thin film transistor array substrate having a gate line and a data line provided on the substrate; a gate insulating film between the gate line and the data line; a thin film transistor having a source electrode, a drain electrode and a gate electrode; a pixel electrode; a protective film for protecting the thin film transistor; a plurality of pads; a transparent electrode pattern formed on the data line, source electrode and drain electrode; and a color filter array substrate joined to the thin film transistor array substrate so that the color filter substrate does not overlap the pad area of the thin film transistor array substrate, wherein at least one of the gate insulating film and protective film in the pad area is etched using the color filter array substrate as a mask to expose at least one of the plurality of pads.06-18-2009
20100213463THIN FILM TRANSISTOR ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - A thin film transistor array substrate and a method for manufacturing the thin film transistor array substrate are disclosed. Specifically, a thin film transistor array may be formed using a reduced number of masks.08-26-2010
20110109827HORIZONTAL ELECTRIC FIELD SWITCHING LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATING METHOD THEREOF - A horizontal electric field switching liquid crystal display device includes a gate line, a common line parallel to the gate line and provided at an area adjacent to the gate line, a data line crossing the gate line with a gate insulating film therebetween to define a pixel area, a thin film transistor provided adjacent to a crossing of the gate line and the data line, a common electrode provided in the pixel area and connected to the common line, a pixel electrode connected to the thin film transistor and provided in such a manner to form a horizontal electric field along with the common electrode in the pixel area on the same plane as the common electrode, a storage capacitor electrode overlapping the common electrode to provide a storage capacitor, and a contact electrode contacting the pixel electrode, the thin film transistor and the storage electrode at their side surfaces.05-12-2011

Patent applications by Jae Young Oh, Gyeonggi-Do KR

Jae Young Oh, Seoul KR

Patent application numberDescriptionPublished
20080238831Organic electroluminescent display device and method of fabricating the same - An organic electroluminescent display device includes: a substrate; a gate line, a data line an a power line on the substrate, the gate line and the data line crossing each other to define a pixel region, the power line parallel to and spaced apart from the data line; a switching element connected to the gate line and the data line, the switching element including a switching gate electrode, a switching active layer, a switching source electrode and a switching drain electrode; a driving element connected to the switching element, the driving element including a driving gate electrode, a driving active layer, a driving source electrode and a driving drain electrode; a first passivation layer on the switching element and the driving element, the first passivation layer having a first contact hole exposing the driving drain electrode; a first shield pattern under the first contact hole, the first shield pattern including a same material and a same layer as the gate line; a first electrode on the first passivation layer, the first electrode connected to the driving drain electrode through the first contact hole; an organic electroluminescent layer on the first electrode; and a second electrode on the organic electroluminescent layer.10-02-2008
20080284967IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - The present invention shows that an in-plane switching mode LCD and a method for fabricating the same that substantially obviates one or more problems due to limitations and disadvantages of the related art.11-20-2008
20090040166Liquid crystal display device - A liquid crystal display device includes a display panel including a display area and a non-display area surrounding the display area, a plurality of gate lines and data lines arranged on the display area to intersect each other, so as to define a plurality of pixel regions, a plurality of thin-film transistors formed at respective intersections of the gate lines and the data lines, a plurality of pixel electrodes formed on the respective pixel regions and connected to the thin film transistors, and at least one first common line provided between the data lines and arranged parallel to the data lines.02-12-2009
20090102994IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY AND METHOD FOR FABRICATING THE SAME - An in-plane switching mode liquid crystal display according to an embodiment includes gate lines arranged in a first direction on an array substrate, data lines arranged in a second direction substantially perpendicular to the first direction, one or more storage electrodes provided on the array substrate, common electrodes extending across each pixel region, pixel electrodes arranged to be substantially parallel to the common electrodes, the common electrodes and the pixel electrodes being alternately arranged to generate an in-plane field in each pixel region, thin film transistors (TFTs) provided at intersection areas of the gate lines and the data lines, each TFT including a source electrode connected to the corresponding data line, a drain electrode connected to the corresponding pixel electrode and a gate electrode, and at least one common line located under the respective common electrode in the pixel region, the common line being substantially parallel to the data lines.04-23-2009
20090207365Liquid crystal display device - A liquid crystal display device is disclosed. The disclosed liquid crystal display device includes gate lines, data lines formed to intersect with the gate lines, thereby defining sub-pixel regions, vertical common lines formed in parallel to the data lines such that at least one vertical common line is arranged for one pixel region, which is constituted by at least three sub-pixel regions, thin film transistors each connected to a corresponding one of the gate lines and a corresponding one of the data lines, pixel electrodes each connected to a corresponding one of the thin film transistors, and common electrodes each connected to a corresponding one of the vertical common lines.08-20-2009
20100159623Method for fabricating a liquid crystal display device and an LCD device thereby - A method for fabricating a LCD having enhanced aperture ratio and brightness includes: forming a gate line, a gate electrode, a common electrode and a common line in a first mask process; depositing a gate insulating layer covering the gate line, the gate electrode and the common electrode; forming an active layer on the gate insulating layer, and an ohmic contact layer on the active layer in a second mask process; forming a data line, a source electrode, and a drain electrode facing the source electrode in a third mask process; depositing a protective layer over the data line, the source electrode and the drain electrode; forming a pixel contact hole in a fourth mask process; and forming a pixel electrode, wherein the pixel electrode is connected to the drain electrode through the pixel contact hole in a fifth mask process using a reverse tapered photo-resist pattern.06-24-2010

Patent applications by Jae Young Oh, Seoul KR

Jae Young Oh US

Patent application numberDescriptionPublished
20100007840Method for forming pad electrode, method for manufacturing liquid crystal display device using the same, and liquid crystal display device manufactured by the method - A simplified method for forming a pad electrode without using an additional light-irradiation device is disclosed. The method includes forming a gate pad on a substrate, forming a gate insulating layer on a substrate surface, forming a data pad on the gate insulating layer, forming a passivation layer on the substrate surface, forming a first contact hole in the gate insulating layer and the passivation layer, forming a second contact hole in the passivation layer, coating a conductive photoresist on the substrate surface, and forming a gate pad electrode in the first contact hole and a data pad electrode in the second contact hole by ashing the conductive photoresist. The pad electrode is formed in a simple method of ashing the conductive photoresist, thereby decreasing costs.01-14-2010

Jae Young Oh, Kyonggi-Do KR

Patent application numberDescriptionPublished
20090128728Thin film transistor device, liquid crystal display device using the same, and method of fabricating the same - A liquid crystal display device includes a data line, a source electrode, a drain electrode, and a pixel electrode disposed on a lower substrate, an island-shaped semiconductor layer overlapping the source and drain electrodes, a gate insulating layer along an entire surface of the lower substrate including the semiconductor layer, a gate line and a gate electrode on the gate insulating layer, a passivation layer along an entire surface of the lower substrate including the gate line, an upper substrate facing the lower substrate, and a liquid crystal layer between the lower and upper substrates.05-21-2009