Patent application number | Description | Published |
20080217624 | CAPACITOR AND LIGHT EMITTING DISPLAY USING THE SAME - A capacitor including a polysilicon layer doped with impurities to be conductive, a first dielectric layer formed on the polysilicon layer, a first conductive layer formed on the first dielectric layer, a second dielectric layer formed on the first conductive layer, and a second conductive layer formed on the first dielectric layer. The second conductive layer is coupled to the polysilicon layer. | 09-11-2008 |
20090039355 | Display Device - A current pixel circuit of a display device includes a switching transistor which may be turned on in response to the current selection signal to transfer a data signal, a driving transistor for outputting a current corresponding to the data signal, and first and second transistors being turned on in response to the previous selection signal. In the display device, the gate electrodes of the switching transistor of a previous pixel and the first and second transistors of the current pixel are coupled to one scan line for transferring the previous selection signal. Accordingly, the transistors are arranged in the order of the switching transistor of the previous pixel and the first and second transistors of the current pixel on the scan line at an area between two adjacent data lines. | 02-12-2009 |
20090108738 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display. The organic light emitting display includes a display unit, a scan driver, a data driver, a pad unit including a plurality of pads for transmitting driving power or driving signals to at least one of the display unit, the scan driver, and the data driver, and a protective circuit unit coupled between the pad unit and at least one of the display unit, the scan driver, or the data driver. The protective circuit unit includes a semiconductor layer, insulating layers on the semiconductor layer, and a conductive layer on the insulating layer. One region of the conductive layer that overlaps the semiconductor layer is physically disconnected to create two adjacent ends that are coupled to each other through the semiconductor layer. The two adjacent ends of the disconnected conductive layer have recesses and protrusions. | 04-30-2009 |
20090128023 | Organic light emitting display apparatus - An organic light emitting display apparatus that can prevent corrosion during manufacturing is disclosed. The apparatus can have a remarkably enhanced yield. The apparatus includes: a substrate having a display area, a thin film transistor disposed inside the display area, an electrode power supply line disposed outside the display area, a pixel electrode disposed inside the display area of the substrate and electrically connected to the thin film transistor, an auxiliary conductive layer contacting the electrode power supply line at a side of the electrode power supply line, a pixel defining layer exposing the pixel electrode covering the auxiliary conductive layer and exposing the electrode power supply line. The apparatus also includes an intermediate layer disposed on the pixel electrode and comprising an emitting layer, and a counter electrode disposed on the intermediate layer and extending outside the display area of the substrate to contact the electrode power supply line. | 05-21-2009 |
20090218925 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device. The organic light emitting display device includes a first substrate, a second substrate overlapping with at least one region of the first substrate and a sealing agent attached between the first substrate and the second substrate to seal a display unit therebetween. A conductive wire on the first substrate overlapping with at least a portion of the sealing agent includes a first conductive layer and a second conductive layer having at least one region formed at different levels to be electrically coupled to each other through contact holes. The first conductive layer and the second conductive layer are configured to reduce a resistance of the conductive wire and improve an adhesive force of the sealing agent. | 09-03-2009 |
20090283774 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR MAKING THE SAME - An organic light emitting display and a method for making the same includes protection circuitry to avoid damage from static electricity. The display and method allow performing a lighting test during display manufacturing. The organic light emitting display includes a substrate, a display region on the transparent substrate with a matrix of pixels, and a signal transfer unit on the transparent substrate for transferring lighting test signals to the pixels. The signal transfer unit includes transistors for transferring the lighting test signals and a resistor coupled to drains and gates of the transistors for protecting the transistors against damage from static electricity. | 11-19-2009 |
20090311824 | METHOD FOR FABRICATING ORGANIC LIGHT EMITTING DISPLAY DEVICE - A fabricating method of an organic light emitting display device including performing a sheet test as a sheet unit on a mother board formed with panels and sheet wires for supplying test signals to the panels on the mother board, the method including: forming drive elements for driving the panels in each of the panels and forming sheet wires electrically coupled to at least a portion of the drive elements and shorting bar electrically coupling all of the sheet wires; forming organic light emitting diodes in each of the panels and isolating the sheet wires from each other by etching open regions of the shorting bar apart from contact regions of the shorting bar for coupling the shorting bar to the sheet wires; performing the sheet test on the plurality of panels by supplying the test signals to the sheet wires; and separating the panels by scribing the mother board. | 12-17-2009 |
20100097295 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display is capable of reducing or preventing IR drop in a cathode electrode. An organic light emitting display includes a first substrate and a second substrate. The first substrate has a plurality of pixels located thereon, each of the pixels comprising an organic light emitting diode, wherein a cathode electrode of the organic light emitting diode including a transparent material is located on substantially an entire area of the pixels. The second substrate has a mesh type auxiliary electrode located thereon at a side facing the pixels, the mesh-type auxiliary electrode corresponding to non-emission regions between the pixels and electrically connected to the cathode electrode. | 04-22-2010 |
20100112887 | Method of making organic light emitting display device - A method of making an organic light emitting display device is capable of enhancing the accuracy of a lighting test. The method of making an organic light emitting display device comprises: forming at least one first panel on top of a large substrate and forming at least one second panel on a bottom of the large substrate; forming independent pads, each receiving and transferring power supply from the exterior to the panels formed on the large substrate, the number of independent pads being the same as the number of panels; and forming independent wires between the panels and pads, the independent wires between the panels and pads each having the same length. | 05-06-2010 |
20100118020 | DUAL EMISSION ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A dual emission organic light emitting display device and method of driving the same. The display device includes a pixel driver and an organic light emitting diode that can display different images on a top surface and a bottom surface and/or a same image on both the top and bottom surfaces. The display device includes a top/bottom selector that receives a driving current from the pixel driver and selectively supplies the driving current to a top organic light emitting diode or a bottom organic light emitting diode. The top/bottom selector includes transistors, which are connected between the pixel driver and the organic light emitting diode and select a top emission operation or a bottom emission operation. Here, the circuit configuration of the pixel driver is reduced so that the dual emission organic light emitting display device can be improved in terms of a layout, an interconnection, and an aperture ratio. | 05-13-2010 |
20100283776 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - In an organic light emitting diode display, a plurality of sub-pixels sharing a select scan line that extends in a row direction forms a unit pixel, and the plurality of sub-pixels are arranged in a column direction in the unit pixel. A field is divided into a plurality of subfields, and corresponding one of the plurality of sub-pixels emits light in each of the plurality of subfields. | 11-11-2010 |