Patent application number | Description | Published |
20130127808 | Scan Driving Device, Method for Driving Scan Driving Device, and Method for Managing Defect of Scan Driving Device - A scan driving device includes: a first scan driving block group including scan driving blocks receiving at least two different clock signals among a plurality of scan driving blocks which are sequentially arranged; a second scan driving block group including scan driving blocks receiving at least two clock signals which are the same as at least two clock signals inputted to each of the scan driving blocks included in the first scan driving block group; first line transistors connected in parallel to scan lines of each of the scan driving blocks included in the first scan driving block group, and turned on or off according to a first line connection signal; and second line transistors connected in parallel to a scan line of each of the scan driving blocks included in the second scan driving block group and turned on or off according to a second line connection signal. | 05-23-2013 |
20130134423 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing an organic light-emitting display device is disclosed. The method includes: uniformly forming an active layer on an entire surface of a substrate on which an organic light-emitting diode, a thin film transistor (TFT), and a capacitor are to be formed; performing a first mask process on the active layer to form a pixel electrode of the organic light-emitting diode, a gate electrode of the TFT, and an upper electrode of the capacitor; performing a second mask process to form an insulating layer having openings that expose the pixel electrode, the upper electrode, and the active layer in a region of the TFT; performing a third mask process to form a source-drain electrode that contacts an exposed portion of the active layer; and performing a fourth mask process to form a pixel-defining layer (PDL) that exposes the pixel electrode and covers the TFT and the capacitor. | 05-30-2013 |
20130147773 | SCAN DRIVING CIRCUIT AND METHOD OF REPAIRING THE SAME - A scan driving circuit includes a shift register configured to sequentially output a first scan signal to scan lines through respective first output lines during a first section of a frame period, a simultaneous switching block configured to simultaneously output a second scan signal to the scan lines through respective second output lines during a second section of the frame period, the first and second periods of the frame period being different from each other, a switching device electrically connected to the second output line, and a repair line across the first output line and the second output line. | 06-13-2013 |
20130153915 | ORGANIC LIGHT EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE ORGANIC LIGHT EMITTING DISPLAY APPARATUS - An organic light-emitting display apparatus includes a substrate including a plurality of red, green, and blue sub-pixel regions, a pixel electrode in each of the plurality of the red, green, and blue sub-pixel regions on the substrate, a Distributed Bragg Reflector (DBR) layer between the substrate and the pixel electrodes, a high-refractive index layer between the substrate and the DBR layer in the blue sub-pixel region, the high-refractive index layer having a smaller area than an area of a corresponding pixel electrode in the blue sub-pixel region, an intermediate layer including an emissive layer on the pixel electrode, and an opposite electrode on the intermediate layer. | 06-20-2013 |
20130155033 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes a pixel unit including a plurality of pixels formed in regions where a plurality of scan lines and a plurality of data lines cross each other, a first scan driving unit detecting a defect of the plurality of pixels by sequentially applying a first test signal to the plurality of scan lines, and a second scan driving unit detecting a defect of the plurality of pixels by simultaneously applying a second test signal to the plurality of scan lines. | 06-20-2013 |
20130162619 | DISPLAY APPARATUS AND METHOD OF REPAIRING THE SAME - A display apparatus and a method of repairing a display apparatus are disclosed. According to one aspect, the display includes a plurality of unit pixels each including a plurality of sub pixels, scan lines branching off a scan wire in a first direction for each of the plurality of unit pixels and connecting the plurality of sub pixels emitting the same color as that of a neighboring unit pixel, data lines extending in a second direction orthogonal to the first direction and connected to the plurality of sub pixels, a first power supply line extending in the second direction and connected to the plurality of sub pixels, and second power supply lines extending in the first direction and connected to the first power supply line. | 06-27-2013 |
20130176194 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF REPAIRING THE SAME - An organic light-emitting display apparatus includes a plurality of pixels, each defined by a scan line, a data line, and a power supply line, a plurality of control lines branching off of one wire in a first direction and simultaneously transferring control signals to the plurality of pixels; and a plurality of repair bridges placed between neighboring ones of the plurality of control lines, each of the plurality of repair bridges including a first bridge connected to one of the neighboring ones of the plurality of control lines and a second bridge connected to another one of the neighboring control lines. | 07-11-2013 |
20130187167 | THIN FILM TRANSISTOR ARRAY PANEL AND ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING THE SAME, METHOD FOR CUTTING WIRE IN THIN FILM TRANSISTOR ARRAY PANEL - A thin film transistor display panel includes a plurality of pixels arranged in a matrix format, the plurality of pixels include thin film transistors, respectively, a plurality of first signal lines connected with the pixels, a plurality of second signal lines connected with the pixels, the plurality of second signal lines cross the first signal lines in an insulated manner, at least one of the second signal lines includes a cut portion, and an organic repairing member overlaps the cut portion | 07-25-2013 |
20130200399 | DISPLAY DEVICE - A display device includes a first insulation layer on a substrate, gate wires on the first insulation layer, the gate wires extending in a first direction, a second insulation layer on the gate wires, data wires on the second insulation layer, the data wires extending in a second direction crossing the first direction, pixels at intersection regions of gate wires and data wires, respectively, the pixels being connected to respective gate wires and data wires, and data leading diodes having an island form and connected to the data wires, the data leading diodes being configured to induce breakage of the first insulation layer when external static electricity passes through the data wires. | 08-08-2013 |
20130240914 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - An organic light emitting diode (OLED) display includes a substrate where a plurality of pixels are formed, a first pixel defining layer on the substrate, the first pixel defining layer dividing the plurality of pixels, a connection wire on the first pixel defining layer, the connection wire electrically connecting two adjacent pixels, and a second pixel defining layer on the first pixel defining layer, the second pixel defining layer covering the connection wire. | 09-19-2013 |
20130241562 | ARRAY TEST DEVICE, METHOD FOR TESTING AN ORGANIC LIGHT EMITTING DISPLAY DEVICE, AND METHOD FOR MANUFACTURING THE ORGANIC LIGHT EMITTING DISPLAY DEVICE - A method for testing an array for a pixel circuit of an organic light emitting diode display, which includes a first transistor that transmits a driving current corresponding to a data signal to an organic light emitting diode according to a scan signal and at least one capacitor, uses an array test device having a control device and a driver. The method includes performing a first irradiation of electron beams to an exposed portion of a first electrode of the at least one capacitor before manufacturing of the organic light emitting diode is completed, calibrating the control device of the array test device based on secondary electrons output by the at least one capacitor, performing a second irradiation of electron beams to an anode of the pixel circuit, and detecting whether the first transistor is normally operated based on an output amount of secondary electrons output by the anode. | 09-19-2013 |
20130243304 | ARRAY TESTING METHOD AND DEVICE - A method for testing an array, by using an array testing device for detecting a voltage distribution formed on an array substrate, includes resetting pixel voltages of a plurality of pixel circuits formed on the array substrate with a predetermined voltage, detecting the voltage distribution of the array substrate, generating a correction value for correcting the voltage distribution of the array substrate, and measuring a threshold voltage of a driving transistor included in the plurality of pixel circuits formed on the array substrate by applying the correction value. | 09-19-2013 |
20130256676 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD FOR REPAIRING ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display includes a first electrode, an organic emission layer positioned on the first electrode, and a second electrode positioned on the organic emission layer. The OLED display includes a substrate, a thin film transistor including an active layer positioned on the substrate, a gate electrode positioned on the active layer and formed with the same layer as the first electrode, and a source electrode and a drain electrode positioned on the gate electrode and connected to the active layer, a pixel defining layer positioned between the source electrode and the drain electrode, and the second electrode, the pixel defining layer including a pixel opening exposing the first electrode and a pin hole opening exposing at least one of the source electrode and the drain electrode; and a coated portion filling the pin hole opening. | 10-03-2013 |
20130256723 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD FOR REPAIRING ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display includes a light-emitting region including an organic emission layer and a non-light-emitting region neighboring the light-emitting region. The OLED display includes a first electrode positioned at the light-emitting region and including a plurality of division regions divided according to a virtual cutting line crossing the light-emitting region, an organic emission layer positioned on the first electrode, a second electrode positioned on the organic emission layer, a driving thin film transistor connected to the first electrode, and a plurality of input terminals positioned at the non-light-emitting region and respectively connecting between each of division regions and the driving thin film transistor. | 10-03-2013 |
20130257437 | PIXEL AND ARRAY TEST METHOD FOR THE SAME - A pixel includes an organic light emitting diode, a first transistor that is connected to a first power source and that supplies a driving current according to a corresponding data voltage to the organic light emitting diode, a second transistor that is connected to a scan line and that transmits the corresponding data voltage from a data line to a driving transistor according to a scan signal transmitted from the scan line, and a first capacitor including one electrode connected to a gate electrode of the first transistor. The first capacitor stores the corresponding data voltage as a first voltage and a size of the first capacitor is in a range of about 2 times to about 4 times a size of a gate insulating layer of the first transistor. | 10-03-2013 |
20130285996 | ORGANIC LIGHT EMITTING DISPLAY APPARATUS AND METHOD OF INSPECTING THE SAME - An organic light emitting display apparatus and a method of easily inspecting the apparatus to determine whether an electrical failure occurs are disclosed. The organic light emitting display apparatus includes a plurality of pixels each including a pixel electrode, an intermediate layer including an organic emission layer, and an opposite electrode, pluralities of scan lines and data lines corresponding to the plurality of pixels, first power supply lines connected to the plurality of pixels and extending in a first direction; second power supply lines connected to the first power supply lines, and a controller that simultaneously supplies control signals to the plurality of pixels, and includes a plurality of control lines and a common line. The common line is connected to a first end of each of the plurality of control lines and is separated from a second, opposing end of each of the plurality of control lines. | 10-31-2013 |
20130293236 | ORGANIC LIGHT EMITTING DIODE DISPLAY APPARATUS AND METHOD AND APPARATUS FOR INSPECTING THE SAME - An organic light emitting diode display apparatus and a method and apparatus for easily inspecting the organic light emitting diode display apparatus to determine whether an electrical failure occurs. The organic light emitting diode display apparatus comprises a plurality of pixels each comprising a pixel electrode, an intermediate layer including an organic emission layer, and an opposite electrode; scan lines and data lines corresponding to the plurality of pixels; first power supply lines connected to the plurality of pixels and extending in a first direction; second power supply lines connected to the first power supply lines; and a control line unit for simultaneously supplying control signals to the plurality of pixels, the control line unit including a plurality of control lines extending in one direction and two common lines being respectively connected to both ends of each of the plurality of control lines. | 11-07-2013 |
20130299784 | Organic Light Emitting Display Device and Manufacturing Method Thereof - In an organic light-emitting display device and a method of manufacturing the same, the organic light-emitting display device includes: a silicon layer formed on a substrate; and a thin film transistor (TFT) and an organic light-emitting device that are formed on the silicon layer. The silicon layer comprises a conductive doping silicon portion for forming a part of an active layer included in the TFT and an insulating intrinsic silicon portion surrounding the doping silicon portion. According to the organic light-emitting display device of the present invention, manufacturing costs may be reduced due to a reduction in the number of masks, and the manufacturing process of the organic light-emitting display device may be simplified. | 11-14-2013 |
20130300966 | Thin Film Transistor Substrate, Display Apparatus Utilizing Same, and Related Manufacturing Methods - A thin film transistor and a display apparatus include: a substrate; a plurality of first conductive lines formed on the substrate, each including a main body and a curved portion connected to the main body; a plurality of second conductive lines crossing the curved portions of the first conductive lines; and a plurality of pixel electrodes formed adjacent to the first conductive lines. The plurality of pixel electrodes includes a first pixel electrode disposed toward a side of one first conductive line, and a second pixel electrode disposed toward the other side of the one first conductive line. The display apparatus also includes an intermediate layer connected to the pixel electrodes for displaying images and an opposite electrode formed thereon. | 11-14-2013 |
20130307557 | APPARATUS AND METHOD FOR INSPECTING SHORT CIRCUIT DEFECTS - A method of inspecting a short circuit defect between first wires extending in a first direction and a second direction intersecting the first direction and second wires extending in the first or second direction, the method including inspecting a short circuit defect between the first and second wires by using a potential difference monitored only in the second wires. | 11-21-2013 |
20140014907 | DISPLAY APPARATUS AND ORGANIC LIGHT EMITTING DISPLAY APPARATUS - A display apparatus includes a plurality of first wirings extending in a first direction and a plurality of second wirings extending in a second direction crossing the first direction. Differing first identification patterns are present on the plurality of corresponding first wirings to identify the plurality of first wirings, and differing second identification patterns are present on the plurality of corresponding second wirings to identify the plurality of second wirings. | 01-16-2014 |
20140071027 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a plurality of pixels, each pixel including an organic light emitting diode (OLED) and a driving transistor, a sustain power supply unit applying a first sustain voltage to a plurality of data lines connected to the plurality of pixels, and a data driver applying one of a data signal and a second sustain voltage to the plurality of data lines. For each pixel, the sustain power supply unit applies the first sustain voltage as a first level voltage to reset a gate voltage of the driving transistor and applies the first sustain voltage as a second level voltage to increase the gate voltage of the driving transistor. When an anode voltage of the OLED in each pixel is discharged to be reset, the anode voltage of the OLED is controlled according to a voltage difference between the first level voltage and the second level voltage. | 03-13-2014 |
20140097410 | THIN FILM TRANSISTOR SUBSTRATE, METHOD OF REPAIRING THE THIN FILM TRANSISTOR SUBSTRATE, ORGANIC LIGHT EMITTING DISPLAY APPARATUS, AND METHOD OF REPAIRING THE ORGANIC LIGHT EMITTING DISPLAY APPARATUS - A thin film transistor substrate includes a capacitor including a first capacitor electrode and a second capacitor electrode on a substrate, a first wire connected to the first capacitor electrode, a second wire connected to the second capacitor electrode, a first conductive pattern layer spaced apart from the first capacitor electrode and the second capacitor electrode, a second conductive pattern layer spaced apart from the first conductive pattern layer and formed to overlap with the first conductive pattern layer, a first conductive wire pattern connected to the first conductive pattern layer, spaced apart from the second conductive pattern layer, and overlapping with the second wire in at least one area, and a second conductive wire pattern connected to the second conductive pattern layer, spaced apart from the first conductive pattern layer and the first conductive wire pattern, and overlapping with the first wire in at least one area. | 04-10-2014 |
20140098077 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display is disclosed. The OLED display includes a substrate, a scan line on the substrate and configured to transfer a scan signal, a data line crossing the scan line and configured to transfer a data signal, a driving voltage line crossing the scan line or the data line and configured to transfer a driving voltage, a switching thin film transistor (TFT) connected to the scan line and the data line, a driving TFT connected to the switching TFT and the driving voltage line, an | 04-10-2014 |
20140099738 | LASER IRRADIATION APPARATUS AND METHOD OF MANUFACTURING ORGANIC LIGHT-EMITTING DISPLAY APPARATUS USING THE SAME - A laser irradiation apparatus including a chamber configured to receive a panel including an organic layer on a substrate, a laser oscillator outside the chamber, and configured to irradiate a laser beam onto the panel in the chamber, and a transparent window at a side of the chamber, and configured to allow the laser beam to pass therethrough, wherein the laser beam is configured to remove at least a portion of the organic layer on the substrate. | 04-10-2014 |
20140110678 | THIN FILM TRANSISTOR ARRAY PANEL AND METHOD FOR REPAIRING THE SAME - A thin film transistor substrate includes a substrate including a display area including pixels and a periphery area where a driver for driving the pixels is disposed; first signal lines connected with the pixels and extended to the periphery area, and including a first short-circuit portion provided in the periphery area; second signal lines connected with the pixels and extended to the periphery area by crossing the first signal lines in an insulated manner; first connection members overlapping lateral ends of the first signal lines, disposed in lateral sides with respect to the first short-circuited portion and formed of a doped semiconductor; and first repairing conductors overlapping the lateral ends of the first signal line, disposed in the lateral sides with respect to the first short-circuited portion. Lateral ends of the first connection member are connected with the lateral ends of the first signal line through contact holes. | 04-24-2014 |
20140118236 | SCAN DRIVING DEVICE AND REPAIR METHOD THEREOF - A scan driving device includes: a first node transmitted with a clock signal input to a first clock signal input terminal; a second node transmitted with an input signal according to a clock signal input to a second clock signal input terminal; a first transistor transmitting a power source voltage to an output terminal according to a voltage of the first node; a second transistor formed to transmit the clock signal input to the third clock signal input terminal to the output terminal according to the voltage of the second node; and a dummy transistor formed to transmit the clock signal input to the third clock signal input terminal to the output terminal according to the voltage of the second node. One of the second transistor and the dummy transistor is cut off. | 05-01-2014 |
20140124745 | ORGANIC LIGHT EMITTING DISPLAY APPARATUS AND METHOD OF INSPECTING THE SAME - An organic light emitting display apparatus and a method of inspecting the same, the organic light emitting display apparatus including a plurality of sub-pixels; a plurality of conductive line portions connected to the sub-pixels, the plurality of conductive line portions including at least two conductive lines connected in parallel to one another; and inspection thin film transistors (TFTs) disposed adjacent to one end and both ends of at least one conductive line of the conductive lines connected in parallel to one another. | 05-08-2014 |
20140167050 | SUBSTRATE FOR DISPLAY DEVICE, DISPLAY DEVICE INCLUDING THE SUBSTRATE, AND METHOD OF MANUFACTURING THE DISPLAY DEVICE - A substrate for a display device is disclosed. In one aspect, the substrate includes an active layer that is formed on substantially the entire portion of the bottom substrate and comprises a first area and a second area with a higher carrier concentration than the first area. The substrate also includes a line overlapping with the first area and a contact electrode that electrically connects the line to the second area of the active layer. | 06-19-2014 |
20140332767 | THIN FILM TRANSISTOR AND ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING THE SAME - A thin film transistor is disclosed. The thin film transistor may include a semiconductor formed on a substrate, a gate insulating layer formed on the semiconductor, a gate electrode formed on the gate insulating layer and including a plurality of branches overlapping the semiconductor, an interlayer insulating layer at least partially overlapping the gate electrode, and a repair pattern formed on the interlayer insulating layer. The repair pattern may be formed overlapping the branches. The repair pattern may also be formed in a closed loop. | 11-13-2014 |
20150042634 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display including: a substrate; a scan line formed on the substrate and configured to transmit a scan signal; a data line and a driving voltage line crossing the scan line and respectively configured to transmit a data signal and a driving voltage; a switch connected to the scan line and the data line; a static electricity shield enclosing the switch; and an organic light emitting diode (OLED) connected to the switch. | 02-12-2015 |
20150042690 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF - An organic light emitting diode display includes a substrate, a semiconductor layer disposed on the substrate and including an intrinsic poly-semiconductor part and a doped poly-semiconductor part, a gate insulating layer covering the semiconductor layer, a scan line disposed on the gate insulating layer and transmitting a scan signal, a data line insulated from and intersecting the scan line and transmitting a data signal, a thin film transistor connected to the scan line and the data line, and an organic light emitting diode connected to the thin film transistor, where the intrinsic poly-semiconductor part is positioned at a region near the scan line. | 02-12-2015 |
20150048835 | APPARATUS AND METHOD FOR INSPECTING AN ORGANIC LIGHT-EMITTING DISPLAYAPPARATUS - A device for inspecting an organic light-emitting display apparatus includes a power supply unit, a power receiving unit, a wiring location sensing unit, and a control unit. The power supply unit applies an AC signal to each of wirings arranged in the organic light-emitting display apparatus. The power receiving unit senses an electrical signal from each of the wirings. The wiring location sensing unit senses a location of each of the wirings. The control unit determines whether each of the wirings has a defect based on the sensed electrical signal and information pertaining to each wiring type of the wirings. | 02-19-2015 |
20150064858 | METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DISPLAY APPARATUS - An organic light-emitting display apparatus includes a substrate including a plurality of red, green, and blue sub-pixel regions, a pixel electrode in each of the plurality of the red, green, and blue sub-pixel regions on the substrate, a Distributed Bragg Reflector (DBR) layer between the substrate and the pixel electrodes, a high-refractive index layer between the substrate and the DBR layer in the blue sub-pixel region, the high-refractive index layer having a smaller area than an area of a corresponding pixel electrode in the blue sub-pixel region, an intermediate layer including an emissive layer on the pixel electrode, and an opposite electrode on the intermediate layer. | 03-05-2015 |
20150079703 | METHOD FOR MANUFACTURING ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting diode (OLED) display includes a substrate where a plurality of pixels are formed, a first pixel defining layer on the substrate, the first pixel defining layer dividing the plurality of pixels, a connection wire on the first pixel defining layer, the connection wire electrically connecting two adjacent pixels, and a second pixel defining layer on the first pixel defining layer, the second pixel defining layer covering the connection wire. | 03-19-2015 |