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| Number | Title | Issue Date |
| 8106595 | Backlight assembly and liquid crystal display including the same A backlight assembly including: a plurality of lamp sockets each having a socket electrode; a plurality of lamps inserted into the plurality of lamp sockets, respectively, and each of the plurality of lamps comprising a lamp electrode connected with the socket elect... | 01/31/2012 |
| 8102126 | Light emitting device and production system of the same To provide a light emitting device without nonuniformity of luminance, a correcting circuit for correcting a video signal supplied to each pixel to a light emitting device. The correcting circuit is stored with data of a dispersion of a characteristic of a driving T... | 01/24/2012 |
| 8084950 | Drive circuit Provided is a drive circuit for a light emitting device, which compensates for a decrease in luminance of the light emitting device and reduces a burn-in phenomenon. The drive circuit includes: a first capacitor connected to a gate of a drive transistor; and a secon... | 12/27/2011 |
| 8058808 | Light emitting display device and driving method thereof Disclosed herein are a light emitting display device which can reduce hysteresis of a driving transistor to improve picture quality, and a method for driving the same. The device includes a pixel cell formed in an area defined by a data line supplied with a data vol... | 11/15/2011 |
| 8044598 | Light-emitting device The amplitude of a potential of a signal line is decreased and a scan line driver circuit is prevented from being excessively loaded. A light-emitting device includes a light-emitting element; a first power supply line having a first potential; a second power supply... | 10/25/2011 |
| 8026670 | Electronic circuit for driving electroluminescent display An electroluminescent circuit for driving an electroluminescent display having a plurality of segment electrodes and a common electrode. The circuit comprises a DC power supply, an output terminal for each of the segments and common electrodes and at least one suppl... | 09/27/2011 |
| 8026669 | Display device A display device includes a display unit in which display elements provided with pixel circuits are arranged so as to have a sequence of three different colors in a row direction and the colors are shifted in a column direction by 1.5 columns. A scanning line is pro... | 09/27/2011 |
| 8018169 | Field emission device Disclosed is a field emission device. The field emission device includes: an anode substrate including an anode electrode formed on a surface thereof and a fluorescent layer formed on the anode electrode; a cathode substrate disposed opposite to and spaced apart fro... | 09/13/2011 |
| 8013534 | Electro-optic device and electronic apparatus An electro-optic device includes a substrate on which a plurality of electro-optic elements are configured, a plurality of IC chips that drive the electro-optic elements, and a plurality of wiring patterns. Each of the IC chips includes a first power terminal and a ... | 09/06/2011 |
| 8004200 | Element substrate and light emitting device A light emitting device and an element substrate which are capable of suppressing variations in the luminance intensity of a light emitting element among pixels due to characteristic variations of a driving transistor without suppressing off-current of a switching t... | 08/23/2011 |
| 7986098 | Cathode potential control device, self-luminous display device, electronic equipment and cathode potential control method Disclosed herein is a cathode potential control device for controlling a common cathode potential applied to a self-luminous display panel adapted to drive and control the light emission status of each of the pixels by active matrix driving, the cathode potential co... | 07/26/2011 |
| 7965045 | Power supply circuit for display unit and display unit A power supply circuit for display unit according to one embodiment of the present invention includes a power supply circuit having outputs connected to a plurality of capacitance elements and supplying power to a plurality of drivers, and a controller switching con... | 06/21/2011 |
| 7960917 | Light emitting device and electronic equipment using the same A light emitting device is provided which is capable of displaying in desired colors stably by controlling a change in luminance of OLED when an organic light emitting layer is degraded or there is a change in temperature of the surroundings. A reference value for t... | 06/14/2011 |
| 7923937 | Light emitting device and driving method thereof The light emitting device has a limiter transistor which is connected to a monitoring element, and an inverter an output terminal of which is connected to a gate electrode of the limiter transistor and an input terminal of which is connected to one electrode of the ... | 04/12/2011 |
| 7915831 | Gaming machine artwork A gaming machine artwork assembly includes a carrier on which images to be illuminated are carried. An electroluminescent illuminating arrangement is mounted on an operatively rear surface of the carrier. The electroluminescent illuminating arrangement comprises a p... | 03/29/2011 |
| 7843140 | AC switch with zero off current for EL panel A power supply for driving an EL panel includes an inverter that produces a polarity reversing voltage at a pair of output terminals. A switching circuit coupled to the output terminals and to at least one EL lamp applies alternating current to the at least one EL l... | 11/30/2010 |
| 7834557 | Organic light emitting display and method of manufacturing the same A light emitting display includes a substrate, a semiconductor layer on the substrate, a first insulation layer on the semiconductor layer, a first electrode layer and a second electrode layer on the first insulation layer, the first electrode layer having a first l... | 11/16/2010 |
| RE41828 | Image display and a manufacturing method of the same The present invention provides an image display capable of enhancing a production yield. The image display comprises a display device including a first plate which has a plurality of electron-emitter elements each having a structure comprised of a base electrode, an... | 10/19/2010 |
| 7737641 | Capacitive-load driving circuit capable of properly handling temperature rise and plasma display apparatus using the same A capacitive-load driving circuit has a configuration in which a driving power supply source is connected to an output terminal via a driving device. The capacitive-load driving circuit has a power distributing circuit inserted between the driving power supply sourc... | 06/15/2010 |
| 7728526 | Organic light emitting display device and driving method for the same An organic light emitting display device is provided. The device includes a photo sensor adapted to: sense a brightness of ambient light; output a pulse width of an emission control signal corresponding to a sensed brightness of the ambient light; and output a gamma... | 06/01/2010 |
| 7714514 | Large area organic electroluminescent display using bimorph MEMS devices An active matrix organic LED display having a matrix of multiple light emitting pixels and electronic drive circuitry for selectively addressing the pixels, each pixel containing an organic LED. The electronic drive circuitry includes row scan electrodes and column ... | 05/11/2010 |
| 7675239 | Power management method and device for low-power displays A device and method for supplying a display, such as a liquid crystal display, for example a bistable ChLCD, with drive voltages for extremely low power operation. The method and the device implementing the method provides an energy storage device and a voltage conv... | 03/09/2010 |
| 7652432 | Organic electro-luminescence device, driving method thereof and electronic apparatus An organic electro-luminescence (EL) device including at least an emission layer between an anode and a cathode that are opposed to each other, including an anode buffer layer that is composed of an electrically conductive material and is provided between the anode ... | 01/26/2010 |
| 7633233 | Digital control system for LCD backlights Present invention provides an apparatus and a method for digital control of a backlight system in an LCD display. More specifically, the system utilizes a control system in embedded firmware and a mixed signal micro controller unit (MCU) to allow servo digital contr... | 12/15/2009 |
| 7615932 | Reference current generating circuit, organic EL drive circuit and organic EL display device employing it An organic EL display device having an organic EL drive circuit has a reference current generation circuit that switches the column line drive in response to changing of the dot arrangement of R, G and B through changeover switch circuits. Three D/A converter blocks... | 11/10/2009 |
| 7609004 | Eliminating silver migration in EL lamps A net negative charge is used to eliminate silver migration in an EL lamp. An electrode containing silver, either the entire electrode, a bus bar on the electrode, or a contact area on the electrode, receives a net negative charge while the EL lamp is being driven w... | 10/27/2009 |
| 7605543 | Electro-luminescence display device and driving method thereof An electro-luminescence display device includes an electro-luminescence panel having a plurality of pixels at pixel areas defined by intersections between data lines and gate lines, each of the pixels including: an electro-luminescence cell connected to receive a su... | 10/20/2009 |
| 7586265 | Illumination device An illumination device is described that includes a light source that is an organic light-emitting diode and a control device capable of adjusting the current through the organic light-emitting diode, which increases current as the electric resistance of the organic... | 09/08/2009 |
| 7583032 | Semiconductor device A light emitting device capable of performing signal electric current write-in operations at high speed and without dispersion in the characteristics of TFTs structuring pixels influencing the brightness of light emitting elements is provided. The gate length L of a... | 09/01/2009 |
| 7583033 | Plasma display panel driving circuit and plasma display apparatus A plasma display panel driving circuit for driving a plasma display panel which has a plurality of scan electrodes and sustain electrodes and operates as a capacitive load, by applying a different waveform in each of a reset period, address period and sustain period... | 09/01/2009 |
| 7579781 | Organic electro-luminescent display device and method for driving the same An organic electro-luminescent display device according to an embodiment includes a light emitting device in a pixel to emit light in response to a current applied thereto; a data line for providing a data voltage in a write period and a ramp voltage in a display pe... | 08/25/2009 |
| 7567038 | Light and power cogeneration light device A light device adapted to light and power cogeneration projects at least one illumination light beam and divergent light beam by a specified power supplied from an external power source. The light device comprises an optical-to-electrical energy transformation unit ... | 07/28/2009 |
| 7557512 | Organic electroluminescent device and driving apparatus Provided is an organic EL device having a lower power consumption and high performance and enabling to display separate pictures on bidirectional screens as well as to display the same picture on the bidirectional screens, and a driving apparatus thereof. The organi... | 07/07/2009 |
| 7538496 | Display apparatus A display apparatus including a display panel to display an image and a back light illuminating the display panel, including an inverter to supply a driving power to the back light, a power supply to supply power to the inverter, a microcomputer to output a back lig... | 05/26/2009 |
| 7514877 | Display panel driving circuit A display panel driving circuit includes an input part for amplifying an input on-off signal so as to generate a first on-off voltage signal, a voltage signal generation part for generating a second on-off voltage signal which is varied in response to variations of ... | 04/07/2009 |
| 7501770 | Laser guided display device A laser beam, which scans a display screen comprised of an array of picture elements. Each picture element is further comprised of a photocell connected to an LED in the presence of an electric field. The laser's intensity and or duration on selected photocells prod... | 03/10/2009 |
| 7489085 | Backlight module actuation method A backlight module actuation method aims to modulate a unsaturated luminance cycle in a dimming cycle for a backlight module in the condition of a saturated luminance. An oscillation amplitude time series of the duty cycle of a transformer at the rear end is set acc... | 02/10/2009 |
| 7474061 | Organic electroluminescent display An organic electroluminescent display (“OELD”) includes an organic light-emitting diode (“OLED”) panel and a driving panel. The OLED panel includes an image display portion which displays an image using an OLED, and the driving panel includes a driving circu... | 01/06/2009 |
| 7459860 | Organic electroluminescence element and method for driving the element An organic electroluminescence element having a thin film of organic compound containing at least a light-emitting layer interposed between an anode and a cathode is disclosed. This element is driven by utilizing the sheet resistance of the anode or the cathode in a... | 12/02/2008 |
| 7459859 | Organic light emitting display having organic light emitting diode circuit with voltage compensation and technique thereof An organic light emitting diode circuit of an organic light emitting display with voltage compensation technique includes a first capacitor, a first TFT, a second TFT, a third TFT, a reset circuit and an OLED. The first TFT has a first terminal for receiving a first... | 12/02/2008 |
