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| Number | Title | Issue Date |
| 8115704 | Multi-line addressing methods and apparatus A method of driving an emissive display, the display comprising a plurality of pixels each addressable by a row electrode and a column electrode, the method comprising: driving a plurality of the column electrodes with a first set of column drive signals; and drivin... | 02/14/2012 |
| 8115705 | Display device An active matrix type display device includes array having pixel circuits arranged in rows and columns matrix form, each pixel circuit includes a current-driven diode type light-emitting element and a plurality of thin-film transistor for controlling the diode type ... | 02/14/2012 |
| 8111220 | EL device An EL device includes a substrate having a square shape, an element-forming region provided on an upper surface of the substrate and having organic light-emitting elements, a protruding section arranged in a region between the element-forming region and an end porti... | 02/07/2012 |
| 8111219 | Pixel, organic light emitting display using the same, and associated methods A pixel including an OLED, the pixel including a first transistor coupled between a data line and a first node, the first transistor being turned on by a low signal on an i-th scan line, a second transistor coupled between a first power source and a fifth transistor... | 02/07/2012 |
| 8111215 | Display device and electronic device The luminance of light emitting elements varies when the characteristics thereof change due to changes in environment temperature and changes with time. It is an object of the present invention to suppress the effect of the change in current value of a light emittin... | 02/07/2012 |
| 8111216 | Display system and pixel driving circuit thereof A pixel driving circuit comprises a storage capacitor, a transistor, a transfer circuit, a driving element, and a switch circuit. The storage capacitor comprises first and second nodes. The transistor has a gate coupled to a discharge signal and is coupled between t... | 02/07/2012 |
| 8111217 | Driving circuit for an OLED (organic light emission diode), in particular for a display of the AM-OLED type A driving circuit of an OLED diode is inserted between a first and a second voltage reference and having at least one input terminal receiving an input voltage signal and an output terminal for the generation of a driving current of the OLED diode, the driving circu... | 02/07/2012 |
| 8111221 | Display panel device and control method thereof A display panel device includes a luminescence element and a capacitor. A driving transistor includes a gate that is connected to a first electrode of the capacitor. A first switch is connected to the first electrode of the capacitor for setting a reference voltage ... | 02/07/2012 |
| 8111214 | Charge recovery for enhanced transistor drive A control circuit for an electro luminescent display in which a flyback converter and an H-bridge are used to provide a high voltage alternating current to a capacitive load from a low voltage DC source. Each time the polarity of the capacitive load is reversed, the... | 02/07/2012 |
| 8111218 | Pixel, organic light emitting display using the same, and driving method thereof A pixel, an organic light emitting display using the pixel, and a driving method thereof may compensate for degradation of an organic light emitting diode. The pixel includes the organic light emitting diode and a drive transistor that supplies an electric current t... | 02/07/2012 |
| 8106857 | Light driving device A light driving device comprises a signal generator, a demultiplexer and a light driving circuit. The signal generator generates a signal. The demultiplexer converts the signal to at least a control signal. The light driving circuit is controlled by the control sign... | 01/31/2012 |
| 8102337 | Driving circuit for display device, and display device A driving circuit of display device includes digital/current converting (DCC) circuits one for each data line. The DCC circuit operates to charge a capacitor with a reference current according to a supplied signal from a shift register. The DCC circuit stores a curr... | 01/24/2012 |
| 8102336 | Display apparatus and method for making the same A pixel has an outer region extending linearly along a boundary with an adjacent pixel and an inner region extending along the inner side of the outer region. Wiring lines are arranged across the outer region and the inner region. An outer uneven zone is formed alon... | 01/24/2012 |
| 8102335 | Image display screen and method for controlling said screen The invention relates to an image display screen including: light emitters arranged as rows of light emitters and columns of light emitters, control means to control the emissions of the light emitters, including: | 01/24/2012 |
| 8094095 | Current drive circuit and drive method thereof, and electroluminescent display apparatus using the circuit A current drive apparatus for an active matrix display operates a plurality of loads, e.g. organic or inorganic EL elements, by applying a current thereto. The apparatus includes a plurality of output terminals to which the loads are respectively connected. A single... | 01/10/2012 |
| 8094094 | Light emitting device having a discharging circuit and method of driving the same The present invention relates to a light emitting device for preventing a cross-talk phenomenon and a pectinated pattern. The light emitting device includes data lines, scan lines, pixels and discharging circuit. The data lines are disposed in a first direction. The... | 01/10/2012 |
| 8094096 | Organic electroluminescence display device and manufacturing method thereof An organic electroluminescence display includes a first electrode and an auxiliary wire each either on or in a substrate. A luminescent layer is over the first electrode, and a hole transport layer is between the luminescent layer and the first electrode. The hole t... | 01/10/2012 |
| 8089430 | Self-luminous display panel driving method, self-luminous display panel and electronic apparatus A self-luminous display panel driving method for driving a self-luminous display panel of the active matrix driving type, includes the step of executing threshold value correction operation for a driving transistor divisionally in a plurality of periods within at le... | 01/03/2012 |
| 8089428 | Flat panel display apparatus In an image display apparatus using an FED or an organic EL element, image display that is high in illumination uniformity and high in image quality can be performed. A display element with a matrix structure which conducts linear sequential driving which determines... | 01/03/2012 |
| 8089429 | Display apparatus and drive method therefor, and electronic equipment A drive section sequentially supplies respective scanning lines with a control signal and supplies respective signal lines with a video signal to carry out a correction operation for holding a voltage equivalent to a threshold voltage of a drive transistor in a hold... | 01/03/2012 |
| 8085225 | Image display apparatus In organic EL display apparatuses, when the reset operating time required for compensating variations in the OLED drive TFT voltage threshold is too short then fluctuations in the threshold voltage Vth cannot be corrected and an accurate gray scale is impossible. A ... | 12/27/2011 |
| 8077124 | Image display device and method of driving the same An image display device includes a display portion formed by disposing pixel circuits in a matrix, and a signal line driving circuit and a scanning line driving circuit for driving the pixel circuits through signal lines and scanning lines of the display portion. Th... | 12/13/2011 |
| 8077123 | Emission control in aged active matrix OLED display using voltage ratio or current ratio with temperature compensation Compensation needed to be made for reduced light efficiency in aged sub-pixels of an active matrix organic light-emitting diode (OLED) display are determined using a current ratio or a voltage ratio pertaining to an aged sub-pixel relative to un-aged, reference sub-... | 12/13/2011 |
| 8072396 | Unit circuit, electro-optical device, and electronic apparatus A unit circuit includes an electro-optical element, a first capacitive element, a second capacitive element, a third capacitive element, a drive transistor, a first switching element, an initialization unit, and a compensation unit. The electro-optical element emits... | 12/06/2011 |
| 8072397 | Display apparatus and electronic apparatus A display apparatus includes a pixel unit in which pixels are arranged in a matrix pattern and a driving circuit for driving the pixel unit. Each of the pixels includes a signal level holding capacitor, a first transistor that is turned on/off in response to a writi... | 12/06/2011 |
| 8068071 | Pixel circuit and image display apparatus having the pixel circuit A pixel circuit and an image display apparatus are provided making use of a hysteresis characteristics of a transistor for driving a display element. The pixel circuit comprises: a transistor providing both different first and second relations between a gate voltage... | 11/29/2011 |
| 8068072 | Data driver and organic light emitting diode (OLED) display using the same A data driver includes a shift register circuit configured to receive a first clock signal, a second clock signal, and a start signal, and to sequentially provide a sampling signal, a conversion circuit configured to receive the first clock signal, the second clock ... | 11/29/2011 |
| 8063853 | Organic light-emitting diode display An organic light emitting diode (OLED) display includes a first pixel including a first light emitting diode, a first driving transistor connected to the first light emitting diode and having a first terminal, a second terminal, and a third terminal, and a first sto... | 11/22/2011 |
| 8063852 | Light emitting display and light emitting display panel A display device according to an embodiment of the present invention includes a pixel driver, first, second, and third light emitting diodes, and first, second, and third switches. The pixel driver outputs a driving current corresponding to a data signal to an outpu... | 11/22/2011 |
| 8063857 | Image display apparatus When an organic EL display apparatus enables display of a standard luminance mode and a high luminance mode, it takes long time to reset the gate potential of the OLED drive TFT to a given value in a standard mode. In the reset operation of the gate potential of an ... | 11/22/2011 |
| 8063854 | Video display device and operating method therefore A video display device comprises a plurality of light emitting elements arranged in a matrix having rows and columns; a plurality of first current modulators each of which is associated to one of said light emitting elements for drawing a feed current of programmabl... | 11/22/2011 |
| 8063855 | Drive method of EL display panel A switching transistor is controlled to turn on or off depending on a turn-on voltage or a turn-off voltage applied to a gate signal line. A driver transistor is supplied with an image signal applied to a source signal line through a switching transistor. A voltage ... | 11/22/2011 |
| 8063858 | Active matrix display apparatus and driving method therefor A display includes connection lines each of which is provided for the corresponding scanning line of the display and is connected to a light emission element driving circuit, a ramp voltage generating section for generating ramp voltage for varying the control elect... | 11/22/2011 |
| 8063856 | Flexible active matrix display backplane and method An active matrix display includes an annealed flexible dielectric substrate, a thin-film-transistor (TFT), a pixel electrode, and an interconnect. The annealed substrate includes at least a first surface and a second surface. The TFT is formed on the annealed flexib... | 11/22/2011 |
| 8063859 | Light-emitting device and driving method thereof In a light emitting device, luminance irregularities caused by fluctuation in threshold of TFTs for supplying a current to EL elements among pixels hinder the light emitting device from improving the image quality. A voltage equal to the threshold of a TFT 110 | 11/22/2011 |
| 8059067 | Electroluminescent device, method for manufacturing electroluminescent device, and electronic apparatus An electroluminescent device includes a substrate; a light-emitting region including a plurality of sub-pixels including switching elements, portions of an organic planarization layer for covering irregularities caused by the switching elements, reflective layers ar... | 11/15/2011 |
| 8059065 | Method and apparatus for driving electro-luminescence display panel A method and apparatus for driving an electro-luminescence display panel capable of preventing an initial blinking phenomenon occurring at a power application is disclosed. In the method, a first electrode of the EL cell and a ground voltage source are opened during... | 11/15/2011 |
| 8059066 | Current-driven pixel circuit A write current is contracted without loss of precision of current-driven structure. While a capacitance TFT is switched off, a data current is supplied from a power supply line PVDD through a driver TFT and a selection TFT to a data line DL. With this process, a vo... | 11/15/2011 |
| 8054250 | Pixel, organic light emitting display, and driving method thereof A pixel, an organic light emitting display, and a method for driving an organic light emitting display using the pixel, which can display an image with substantially uniform luminance. In one embodiment, the method for driving an organic light emitting display havin... | 11/08/2011 |
| 8049684 | Organic electroluminescent display device An organic electroluminescent display device employing a demultiplexer to reduce the number of output lines of a data driver. The display device uses the demultiplexer to store a data voltage in a data line, and supplies the stored data voltage to a pixel when a sca... | 11/01/2011 |
