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 |
20110227073 | TRANSISTOR SUBSTRATE AND MANUFACTURING METHOD OF THE SAME - A transistor substrate and a method of manufacturing the transistor substrate. The transistor substrate includes a semiconductor layer arranged on a base layer, a first layer arranged on the semiconductor layer and having a first light transmissivity, source and drain electrodes, the source electrode arranged on a first side of the semiconductor layer and extending onto a first portion of the first layer, the drain electrode arranged on a second and opposite side of the semiconductor layer and extending onto a second portion of the first layer and separated from the source electrode by a distance, a second layer arranged between the first layer and the source and drain electrodes and having a second light transmissivity that is lower than the first light transmissivity, a gate insulating layer arranged on the first layer and a gate electrode arranged on the gate insulating layer. | 09-22-2011 |
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 |
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 |
20110297952 | THIN FILM TRANSISTOR AND DISPLAY DEVICE USING THE SAME AND METHOD FOR MANUFACTURING THE SAME - A thin film transistor according to an example embodiment includes: a substrate body; a semiconductor layer formed on the substrate body and comprising a polycrystalline silicon film having a surface resistance from about 2000 ohm/sq to about 8000 ohm/sq; and a source electrode and a drain electrode each contacted with the semiconductor layer and comprising a metallic material having a resistance from about 350 to about 2000 ohm. | 12-08-2011 |
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 |
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 |
20120241811 | Organic Light Emitting Diode Display and Manufacturing Method of Organic Light Emitting Diode Display - An organic light emitting diode (OLED) display includes: a substrate; an organic light emitting diode on the substrate; and a thin film encapsulation layer including a first inorganic layer having a first density on the substrate and a second inorganic layer having a second density on the first inorganic layer, the second density being different from the first density, and the organic light emitting diode being encapsulated between the thin film encapsulation layer and the substrate. | 09-27-2012 |
20120305981 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD FOR MANUFACTURING ORGANIC LIGHT EMITTING DIODE DISPLAY - A method of manufacturing an OLED display includes: forming an organic light emitting element on a first substrate; forming, on the organic light emitting element, a thin film encapsulation layer that seals the organic light emitting element with the first substrate; providing a second substrate; forming a flexible protection layer on the second substrate; attaching the first substrate and the second substrate to each other; and separating the second substrate from the flexible protection layer. | 12-06-2012 |
20120320542 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A display device includes: a substrate having a bonding area at an edge of the substrate; a conductive pad on the bonding area of the substrate; an external connection member having a connection area bonded with the bonding area of the substrate; a bump in the connection area of the external connection member at a side of the external connection member facing the conductive pad; and an anisotropic conductive film selectively disposed between the conductive pad and the bump and forming an electrical connection between the conductive pad and the bump. | 12-20-2012 |
20130037804 | DISPLAY DEVICE - A display device includes: a base film including plastic; an active layer on the base film, the active layer including a polysilicon layer formed by crystallizing an amorphous silicon layer using a laser; a barrier layer between the active layer and the base film; and a laser absorption layer between the barrier layer and the active layer. | 02-14-2013 |
20130062659 | Organic Light Emitting Diode Display - An organic light emitting diode display includes: a base film made of plastic; a thin film transistor and an organic light emitting diode formed on the base film; and a carbon nanotube thin film disposed among the base film, the thin film transistor, and the organic light emitting diode. | 03-14-2013 |
20130076268 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display apparatus includes a flexible substrate having a display region and a non-display region located at an outer region of the display region, the non-display region being folded with respect to the display region; at least one organic light-emitting diode (OLED) on the display region of the flexible substrate; and an encapsulation member encapsulating the display region. | 03-28-2013 |
20130092937 | DISPLAY DEVICE - A display device according to an exemplary embodiment of the present invention includes a display portion including a plurality of display pixels displaying an image and a dummy portion including a plurality of dummy pixels formed in a periphery region of the display portion. An electrostatic test element group (TEG) may be formed in at least one of the dummy pixels. | 04-18-2013 |
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 |
20130248826 | FLEXIBLE DISPLAY APPARATUS, ORGANIC LIGHT EMITTING DISPLAY APPARATUS, AND MOTHER SUBSTRATE FOR FLEXIBLE DISPLAY APPARATUS - A flexible display apparatus, an organic light emitting display apparatus, and a mother substrate for flexible display apparatus that have improved durability and image quality. The flexible display apparatus includes a flexible substrate, a display region that is defined on the flexible substrate and that comprises a pixel unit and a circuit unit, a pad unit that is formed adjacent to the display region, and a deformation prevention unit that is disposed around the display region, that is separated from the pad unit, and that comprises a material having a greater rigidity than that of the flexible substrate. | 09-26-2013 |
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 |
20140170790 | THIN FILM TRANSISTOR AND DISPLAY DEVICE USING THE SAME AND METHOD FOR MANUFACTURING THE SAME - A thin film transistor according to an example embodiment includes: a substrate body; a semiconductor layer formed on the substrate body and comprising a polycrystalline silicon film having a surface resistance from about 2000 ohm/sq to about 8000 ohm/sq; and a source electrode and a drain electrode each contacted with the semiconductor layer and comprising a metallic material having a resistance from about 350 to about 2000 ohm. | 06-19-2014 |
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 |
20140217383 | FLEXIBLE DISPLAY DEVICE AND METHOD FOR MANUFACTURING FLEXIBLE DISPLAY DEVICE - A method for manufacturing a flexible display device includes: manufacturing a flexible substrate on a substrate by: forming a first organic layer on the substrate, removing foreign particles formed on the first organic layer and forming a recessed first repair groove in the first organic layer, forming a first inorganic layer on the first organic layer, forming a second organic layer on the first inorganic layer and forming a second inorganic layer on the second organic layer, forming a display for displaying an image on the flexible substrate and removing the substrate from the first organic layer. | 08-07-2014 |
20140339517 | ORGANIC LIGHT-EMITTING DIODE DISPLAY, AN ELECTRONIC DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING SAID ORGANIC LIGHT-EMITTING DIODE DISPLAY - Provided is an organic light-emitting diode (OLED) display including: a first plastic layer; a first barrier layer formed on the first plastic layer; a first intermediate layer formed on the first barrier layer; a second plastic layer formed on the intermediate layer; an OLED layer formed on the second plastic layer; and a thin-film encapsulation layer encapsulating the OLED layer. | 11-20-2014 |
20140339527 | ORGANIC LIGHT-EMITTING DIODE DISPLAY, AN ELECTRONIC DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE ORGANIC LIGHT-EMITTING DIODE DISPLAY - Provided is an organic light-emitting diode (OLED) display including: first and second plastic layers; a first barrier layer and a first intermediate layer each positioned between the first and second plastic layers; and an OLED layer formed on the second plastic layer. The first barrier layer comprises silicon nitride. | 11-20-2014 |
20140346473 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS HAVING A FLEXIBLE SUBSTRATE - An organic light-emitting display apparatus includes a flexible substrate. The organic light-emitting display apparatus includes a first plastic layer. A first barrier layer is formed on the first plastic layer. A second plastic layer is formed on the first barrier layer. An organic light-emitting device layer is formed on the second plastic layer. A thin film encapsulating layer encapsulates the organic light-emitting device layer. The first barrier layer is patterned to correspond to an area where the organic light-emitting device layer is formed. | 11-27-2014 |
20150069372 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD OF ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display includes: a substrate; an organic light emitting diode on the substrate; and a thin film encapsulation layer including a first inorganic layer having a first density on the substrate and a second inorganic layer having a second density on the first inorganic layer, the second density being different from the first density, and the organic light emitting diode being encapsulated between the thin film encapsulation layer and the substrate. | 03-12-2015 |