Patent application number | Description | Published |
20110095296 | THIN FILM TRANSISTOR AND ORGANIC LIGHT EMITTING DISPLAY DEVICE HAVING THE SAME - A thin film transistor (TFT) and an organic light emitting display device having the same are disclosed. In one embodiment, a TFT includes a gate electrode formed on a substrate. A gate insulating layer is formed on the substrate having the gate electrode. An active layer is formed on the gate insulating layer. A source electrode is formed over the active layer. A drain electrode is formed to substantially surround at least three surfaces of the source electrode on the active layer. | 04-28-2011 |
20110108840 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An organic light emitting diode (OLED) display device and a method of fabricating the same are disclosed. The OLED display device includes a plurality of scan lines, a plurality of data lines, and a plurality of pixels disposed in a region in which the scan lines cross the data lines, where each pixel of the plurality of pixels includes: a switching transistor including a first gate electrode, a first semiconductor layer disposed over the first gate electrode, a first gate insulating layer interposed between the first gate electrode and the first semiconductor layer, a first source electrode and a first drain electrode, a driving transistor including a second semiconductor layer, a second gate electrode disposed over the second semiconductor layer, a second gate insulating layer interposed between the second gate electrode and the second semiconductor layer, a second source electrode and a second drain electrode, and an organic light emitting diode electrically connected with the second source and second drain electrodes of the driving transistor, where the first and second semiconductor layers are formed of the same material, and from the same processing. | 05-12-2011 |
20110169009 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD FOR MANUFACTURING THE SAME - In an organic light emitting diode (OLED) display and a manufacturing method thereof, the OLED display includes a substrate main body; an insulation layer pattern formed on the substrate main body, and including a first thickness layer and a second thickness layer thinner than the first thickness layer; a metal catalyst that is scattered on the first thickness layer of the insulation layer pattern; and a polycrystalline semiconductor layer formed on the insulation layer pattern, and divided into a first crystal area corresponding to the first thickness layer and to a portion of the second thickness layer adjacent to the first thickness layer and a second crystal area corresponding to the remaining part of the second thickness layer. The first crystal area of the polycrystalline semiconductor layer is crystallized through the metal catalyst, and the second crystal area of the polycrystalline semiconductor layer is solid phase crystallized. | 07-14-2011 |
20110169010 | Organic light emitting diode display device and method of fabricating the same - An organic light emitting diode display device and a method of manufacturing thereof, the device including a substrate, the substrate including a pixel part and a circuit part; a first semiconductor layer and a second semiconductor layer on the pixel part of the substrate; a gate insulating layer on an entire surface of the substrate; gate electrodes on the gate insulating layer, the gate electrodes corresponding to the first semiconductor layer and the second semiconductor layer, respectively; source/drain electrodes insulated from the gate electrodes, the source/drain electrodes being connected to the first and second semiconductor layers, respectively; a first electrode connected to the source/drain electrodes of the first semiconductor layer; an organic layer on the first electrode; a second layer on the organic layer; and a metal catalyst layer under the first semiconductor layer. | 07-14-2011 |
20110186842 | Thin film transistor and method of manufacturing the same - A method of manufacturing a thin film transistor and a thin film transistor, the method including sequentially forming a gate insulating layer, an amorphous silicon layer and an insulating layer on an entire top surface of a substrate having a gate electrode; patterning the insulating layer to form an etch stopper; and patterning the amorphous silicon layer to form a semiconductor layer. | 08-04-2011 |
20110248271 | THIN FILM TRANSISTOR AND DISPLAY DEVICE HAVING THE SAME - The described technology relates generally to a thin film transistor comprising a gate electrode, a semiconductor layer and source/drain electrode, wherein the source/drain electrode is disposed in a range of a region in which the semiconductor layer is formed. Therefore, the present embodiments can provide a thin film transistor in which reliability is excellent because a change amount of threshold voltage is small. | 10-13-2011 |
20110266544 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF - An organic light emitting diode display, which can obtain a resonance effect by its metal mirror, and a manufacturing method thereof. The display includes a semiconductor layer, a dummy pattern layer, a gate insulating film, a pixel electrode, and a gate electrode. The semiconductor layer is formed of polysilicon on a base substrate. The dummy pattern layer is formed of polysilicon at a same layer level as the semiconductor layer and surrounds a light emitting region. The gate insulating film is on the base substrate while covering the semiconductor layer and the dummy pattern layer, and has recess portions corresponding to the light emitting region. The pixel electrode is filled in the recess portions, and is formed of a metal mirror multilayer including a transmissive conductive film and a reflective conductive film. The gate electrode is on the gate insulating film at a distance from the pixel electrode. | 11-03-2011 |
20110291122 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device with the substrate divided into three areas. A semiconductor layer is formed in the first second areas and includes a channel area and source/drain areas; a gate insulating layer formed on the semiconductor layer in an area corresponding to the channel area; and a gate electrode formed on the gate insulating layer. The source/drain electrodes contact the source/drain areas, respectively; a pixel electrode is formed in the same layer but in a third area; an interlayer insulating layer is formed on a whole surface of the substrate including the formed structures; and a gate line is formed on the interlayer insulating layer and is electrically connected to a gate electrode of the first area through a via contact hole of the interlayer insulating layer. | 12-01-2011 |
20110297949 | Organic light emitting display and method of fabricating the same - An organic light emitting display and method of fabricating thereof, the display including a substrate including a first thin film transistor region and a second thin film transistor region; a buffer layer on the substrate; a first and a second semiconductor layer on the buffer layer; a gate insulating layer on the substrate; gate electrodes on the gate insulating layer and corresponding to the first semiconductor layer and the second semiconductor layer, respectively; source/drain electrodes insulated from the gate electrode and being connected to the first semiconductor layer and the second semiconductor layer, respectively; an insulating layer on the substrate; a first electrode connected to the source/drain electrode electrically connected to the first semiconductor layer; an organic layer on the first electrode; and a second electrode on the organic layer, wherein portions of the buffer layer corresponding to a source/drain region of the first semiconductor layer include a metal catalyst. | 12-08-2011 |
20110303922 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A display device and a manufacturing method thereof are provided. The display device includes a substrate, a semiconductor layer formed on the substrate, an organic insulating layer formed on the semiconductor layer, a plurality of conductive wires formed on the organic insulating layer. The organic insulating layer has an open groove that is formed between the conductive wires. | 12-15-2011 |
20120001156 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode display is disclosed. The organic light emitting diode display includes: a substrate including a first region and a second region, a first gate electrode formed over the first region, a second gate electrode formed over the second region, a first gate insulator formed on the first gate electrode, a second gate insulator formed on the second gate electrode, a first semiconductor layer formed on the first gate insulator, the first semiconductor layer including a first channel region, a second semiconductor layer formed on the second gate insulator, the second semiconductor layer including a second channel region, an interlayer insulator formed over the substrate and over at least part of the first and second semiconductor layers, a first etching stop layer formed over the first channel region and surrounded by the interlayer insulator, a second etching stop layer formed over the second channel region and surrounded by the interlayer insulator, a first source electrode and a first drain electrode contacting the first semiconductor layer through the interlayer insulator, and a second source electrode and a second drain electrode contacting the second semiconductor layer through the interlayer insulator. | 01-05-2012 |
20120074408 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic light emitting display device includes: a thin-film transistor (TFT) including an active layer, a gate electrode including a gate bottom electrode and a gate top electrode, a source electrode, and a drain electrode; an organic electroluminescent (EL) device electrically connected to the TFT and including a stack of a pixel electrode at the same layer as and including the same material as the gate bottom electrode, an intermediate layer including an emissive layer, and a counter electrode; a first pad electrode at the same layer as and including the same material as the gate bottom electrode; and a second pad electrode including a second pad bottom electrode at the same layer as and including the same material as the gate bottom electrode, and a second pad top electrode at the same layer as and including the same material as the gate top electrode. | 03-29-2012 |
20120097967 | Organic light-emitting display device and method of manufacturing the same - An organic light-emitting display device includes a buffer layer on a substrate that has a plurality of insulating layers having different refractive indexes, and at least one of the insulating layers have different thicknesses on the same level. The device further includes an active layer of a thin film transistor in a thick area of the buffer layer, a pixel electrode in a thin area of the buffer layer, a gate electrode of the thin film transistor on the active layer and source and drain electrodes of the thin film transistor connected to the active layer, and a gate insulating layer between the gate electrode and the source and drain electrodes. The device also includes an emission layer on the pixel electrode, an opposite electrode facing the pixel electrode, and the emission layer is between the opposite electrode and the pixel electrode. | 04-26-2012 |
20120104393 | Organic light emitting diode display device and manufacturing method thereof - An OLED display includes a first polysilicon layer pattern on a substrate having a first gate electrode, a second gate electrode, and a first capacitor electrode, a gate insulating layer pattern, a second polysilicon layer pattern including a first active layer, a second active layer, and a capacitor polycrystalline dummy layer, a third amorphous silicon layer pattern including first source and drain resistant contact layers on a predetermined region of the first active layer, second source and drain resistant contact layers on a predetermined region of the second active layer, and a capacitor amorphous dummy layer on the capacitor polycrystalline dummy layer, and a data metal layer pattern including first source/drain electrodes, second source/drain electrodes, and a second capacitor electrode. | 05-03-2012 |
20120146004 | Organic Light-Emitting Display Apparatus and Method of Manufacturing the Same - In an organic light-emitting display apparatus and a method of manufacturing the same, the organic light-emitting display apparatus comprises: at least one transistor, each including a semiconductor layer, a gate electrode, and source and drain electrodes; a first capacitor including a first electrode formed on the same plane as the semiconductor layer, a second electrode formed on the same plane as the gate electrode, and a third electrode formed on the same plane as the source and drain electrodes; a second capacitor including a first electrode formed on the same plane as the semiconductor layer and comprising ion impurities, and a second electrode formed on the same plane as the gate electrode; a pixel electrode formed on the same plane as the gate electrode and electrically connected to the transistor; a light-emitting layer disposed on the pixel electrode; and an opposite electrode disposed on the light-emitting layer and facing the pixel electrode. | 06-14-2012 |
20120146060 | Organic Light Emitting Display Device and Manufacturing Method for the Same - An organic light emitting display device may comprises a thin film transistor including an active layer, a gate electrode including a gate lower electrode and a gate upper electrode, a source electrode, a drain electrode, and an organic light emitting device electrically connected to the thin film transistor. A pixel electrode formed of the same material and in the same layer as the gate lower electrode, an intermediate layer including a light emitting layer, and an opposed electrode are sequentially deposited. A first pad electrode is formed in the same layer as the gate lower electrode, a second pad electrode is formed on at least a part of the first pad electrode and in the same layer as the gate upper electrode, and a third pad electrode contacts at least a part of the second pad electrode and is formed in the same layer as the source electrode. | 06-14-2012 |
20120178196 | METHOD OF MANUFACTURING ORGANIC LIGHT-EMITTING DISPLAY DEVICE - A method of manufacturing an organic light-emitting display device includes forming a silicon layer and a gate insulating film over a substrate having a transistor region and a capacitor region; forming a halftone photoresist over the substrate; patterning the silicon layer and the gate insulating film; forming a residual photoresist by subjecting the halftone photoresist to an ashing process to leave part of the halftone photoresist over the transistor region; and doping at least a portion of the silicon layer with impurities by applying the impurities over an entire region of the substrate. | 07-12-2012 |
20120319115 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - An organic light-emitting display device including a substrate; a thin film transistor on the substrate, the thin film transistor including an active layer, a gate electrode, and source and drain electrodes that are electrically connected to the active layer; a first resonance layer at the same layer level as the gate electrode; a second resonance layer on the first resonance layer, the second resonance layer being at the same layer level as the source and drain electrodes, and electrically connected to the source and drain electrodes; an insulating layer between the second resonance layer and the first resonance layer; an intermediate layer on the second resonance layer, the intermediate layer including a light-emitting layer; and an opposite electrode on the intermediate layer. | 12-20-2012 |
20130001563 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An OLED device includes a thin film transistor including an active layer, a gate bottom electrode, a gate top electrode, an insulating layer covering the gate electrode, and a source electrode and a drain electrode on the insulating layer contacting the active layer; an organic light-emitting device electrically connected to the thin film transistor and including a sequentially stacked pixel electrode, on the same layer as the gate bottom electrode, emissive layer, and, opposite electrode, a pad bottom electrode on the same layer as the gate bottom electrode and a pad top electrode pattern on the same layer as the gate top electrode, the pad top electrode pattern including openings exposing the pad bottom electrode, and an insulation pattern covering the upper surface of the pad top electrode pattern on the same layer as the insulating layer, on an upper surface of the pad bottom electrode. | 01-03-2013 |
20130032803 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An OLED device includes an active layer on a substrate; a first insulating layer covering the active layer, and including a first opening and a first insulation island in the first opening, separated from an inner surface of the first opening; a gate electrode on the first insulating layer including gate bottom and top electrodes; a pixel electrode on the first insulation island on the same layer as the gate bottom electrode; source and drain electrodes insulated from the gate electrode and electrically connected to the active layer; a second insulating layer between the gate and the source and drain electrodes, and including a second opening exposing the pixel electrode; a light-reflecting portion in the openings, and surrounding the pixel electrode; an intermediate layer on the pixel electrode and including an organic emissive layer; and an opposite electrode facing the pixel electrode with the intermediate layer interposed between them. | 02-07-2013 |
20130037812 | THIN-FILM TRANSISTOR ARRAY SUBSTRATE, ORGANIC LIGHT-EMITTING DISPLAY INCLUDING THE SAME AND METHOD OF MANUFACTURING THE SAME - A thin-film transistor array substrate is disclosed. In one embodiment, the transistor includes a capacitor including a lower electrode disposed on the same layer as an active layer and an upper electrode disposed on the same layer as a gate electrode. The transistor may also include a first insulating layer disposed between the active layer and the gate electrode and between the lower and upper electrodes, the first insulating layer not being disposed on a perimeter of the lower electrode. The transistor may further include a second insulating layer between the first insulating layer and the source and drain electrodes, the second insulating layer not being disposed on perimeters of the upper and lower electrodes. | 02-14-2013 |
20130037828 | ORGANIC LIGHT-EMITTING DISPLAY AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display and a method of manufacturing the organic light-emitting display are disclosed. In one embodiment, the organic light-emitting display includes: i) a pixel electrode disposed on a substrate, ii) an opposite electrode disposed opposite to the pixel electrode, iii) an organic emission layer disposed between the pixel electrode and the opposite electrode; a light-scattering portion disposed between the substrate and the organic emission layer, including a plurality of scattering patterns for scattering light emitted from the organic emission layer in insulating layers having different refractive indexes. The display may further include a plurality of light absorption portions disposed between the light-scattering portion and the organic emission layer to correspond to the scattering patterns. | 02-14-2013 |
20130164872 | METHOD OF FABRICATING ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An organic light emitting diode display device and a method of manufacturing thereof, the device including a substrate, the substrate including a pixel part and a circuit part; a first semiconductor layer and a second semiconductor layer on the pixel part of the substrate; a gate insulating layer on an entire surface of the substrate; gate electrodes on the gate insulating layer, the gate electrodes corresponding to the first semiconductor layer and the second semiconductor layer, respectively; source/drain electrodes insulated from the gate electrodes, the source/drain electrodes being connected to the first and second semiconductor layers, respectively; a first electrode connected to the source/drain electrodes of the first semiconductor layer; an organic layer on the first electrode; a second layer on the organic layer; and a metal catalyst layer under the first semiconductor layer. | 06-27-2013 |
20130302928 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An organic light emitting diode (OLED) display device and a method of fabricating the same are disclosed. The OLED display device includes a plurality of scan lines, a plurality of data lines, and a plurality of pixels disposed in a region in which the scan lines cross the data lines, where each pixel of the plurality of pixels includes: a switching transistor including a first gate electrode, a first semiconductor layer disposed over the first gate electrode, a first gate insulating layer interposed between the first gate electrode and the first semiconductor layer, a first source electrode and a first drain electrode, a driving transistor including a second semiconductor layer, a second gate electrode disposed over the second semiconductor layer, a second gate insulating layer interposed between the second gate electrode and the second semiconductor layer, a second source electrode and a second drain electrode, and an organic light emitting diode electrically connected with the second source and second drain electrodes of the driving transistor, where the first and second semiconductor layers are formed of the same material, and from the same processing. | 11-14-2013 |
20140051218 | THIN FILM SEMICONDUCTOR DEVICE COMPRISING A POLYCRYSTALLINE SEMICONDUCTOR LAYER FORMED ON AN INSULATION LAYER HAVING DIFFERENT THICKNESS - In an organic light emitting diode (OLED) display and a manufacturing method thereof, the OLED display includes a substrate main body; an insulation layer pattern formed on the substrate main body, and including a first thickness layer and a second thickness layer thinner than the first thickness layer; a metal catalyst that is scattered on the first thickness layer of the insulation layer pattern; and a polycrystalline semiconductor layer formed on the insulation layer pattern, and divided into a first crystal area corresponding to the first thickness layer and to a portion of the second thickness layer adjacent to the first thickness layer and a second crystal area corresponding to the remaining part of the second thickness layer. The first crystal area of the polycrystalline semiconductor layer is crystallized through the metal catalyst, and the second crystal area of the polycrystalline semiconductor layer is solid phase crystallized. | 02-20-2014 |
20140158996 | METHOD OF MANUFACTURING POLY-CRYSTALLINE SILICON LAYER, METHOD OF MANUFACTURING AN ORGANIC LIGHT-EMITTING DISPLAY APPARATUS INCLUDING THE SAME, AND ORGANIC LIGHT-EMITTING DISPLAY APPARATUS MANUFACTURED BY USING THE SAME - A method of manufacturing a polysilicon (poly-Si) layer, a method of manufacturing an organic light-emitting display apparatus using the method, and an organic light-emitting display apparatus manufactured by using the method. The method includes forming an amorphous silicon (a-Si) layer on a substrate having first and second areas, thermally treating the a-Si layer to partially crystallize the a-Si layer into a partially crystallized Si layer, removing a thermal oxide layer through a thermal treatment, selectively irradiating the first areas with laser beams to crystallize the partially crystallized Si layer. | 06-12-2014 |
20140179044 | METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DIODE DISPLAY - An OLED display includes a first polysilicon layer pattern on a substrate having a first gate electrode, a second gate electrode, and a first capacitor electrode, a gate insulating layer pattern, a second polysilicon layer pattern including a first active layer, a second active layer, and a capacitor polycrystalline dummy layer, a third amorphous silicon layer pattern including first source and drain resistant contact layers on a predetermined region of the first active layer, second source and drain resistant contact layers on a predetermined region of the second active layer, and a capacitor amorphous dummy layer on the capacitor polycrystalline dummy layer, and a data metal layer pattern including first source/drain electrodes, second source/drain electrodes, and a second capacitor electrode. | 06-26-2014 |
20140199797 | ORGANIC LIGHT-EMITTING DISPLAY AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display and a method of manufacturing the organic light-emitting display are disclosed. In one embodiment, the organic light-emitting display includes: i) a pixel electrode disposed on a substrate, ii) an opposite electrode disposed opposite to the pixel electrode, iii) an organic emission layer disposed between the pixel electrode and the opposite electrode; a light-scattering portion disposed between the substrate and the organic emission layer, including a plurality of scattering patterns for scattering light emitted from the organic emission layer in insulating layers having different refractive indexes. The display may further include a plurality of light absorption portions disposed between the light-scattering portion and the organic emission layer to correspond to the scattering patterns. | 07-17-2014 |