Abstract: There is provided an organic light emitting display. The organic light emitting display includes a display unit including pixels coupled to scan lines, control lines, and data lines; a control line driver for providing control signals to the pixels through the control lines; a scan driver for providing scan signals to the pixels through the scan lines; a data driver for providing data signals to the pixels through the data lines; a first power source driver for applying a first power to the pixels of the display unit; a second power source driver for applying a second power to the pixels of the display unit; and a timing controller for controlling the control line driver, the power source drivers, the scan driver, and the data driver. The timing controller is configured to determine a refresh rate of input data to control a length of an emission period in a frame.

Abstract: An organic light emitting diode display is disclosed. A signal from the pixels in the display is transmitted to a circuit which compensates the image data according to the signal, which is indicative of one or more of ageing of the organic light emitting diodes, the threshold voltages of the driving transistors, and current mobility of the driving transistors.

Abstract: A pixel operating in a concurrent (or simultaneous) emission method includes: an organic light emitting diode; a second transistor for controlling an amount of current flowing to a second power supply through the organic light emitting diode from a first power supply, the first power supply being coupled to a first electrode of the second transistor; a first transistor coupled between a data line and a gate electrode of the second transistor; a first capacitor coupled between a second electrode of the first transistor and the first power supply; and a fourth transistor coupled between a second electrode of the second transistor and the organic light emitting diode, wherein the first transistor and the fourth transistor are configured to be turned on during a period when the first capacitor is charged with a voltage corresponding to a data signal.

Abstract: An organic light emitting diode (OLED) display and a driving method thereof include an OLED, a driving transistor supplying a driving current to the OLED, a data line transmitting a data signal to the driving transistor, a first switch including a first electrode connected to one electrode of the OLED and a second electrode connected to the data line, and a second switch including a first electrode connected to the data line and a second electrode connected to the gate electrode of the driving transistor. The first switch is turned on such that a predetermined first current is transmitted to the OLED, the voltage of one electrode of the OLED is received through the data line, the deterioration degree of the OLED is detected according to the transmitted voltage, and the data signal transmitted to the data line is compensated according to the detected deterioration.

Abstract: An organic light emitting diode (OLED) display includes a display unit including a plurality of pixels, a plurality of scan lines, and a plurality of data lines, a data driver transmitting a plurality of data signals to the plurality of data lines, a scan driver transmitting a plurality of scan signals to the plurality of scan lines, a compensation controller supplying a predetermined first current to each organic light emitting diode in each of the plurality of pixels during a sensing period for measuring a driving voltage of the organic light emitting diode for each of a plurality of pixels, receiving the driving voltage of the organic light emitting diode supplied with the first current, and outputting measuring data for the transmitted driving voltage; and a signal controller compensating an input video signal according to the measuring data to generate image data. The compensation controller is separate from and external to the data driver.

Abstract: A display device includes a display having a plurality of pixels, a compensator that for each of a plurality of pixels, calculates an image data compensation amount that compensates a characteristic deviation of a driving transistor of each pixel by measuring the first pixel current generated by the first data voltage and the second pixel current generated by the second data voltage obtained by amending the first data voltage, and initializes a panel capacitor that is parasitic on a plurality of data lines connected to the plurality of pixels in the measurement of the first pixel current and the measurement of the second pixel current; and a signal controller that generates an image data signal by reflecting the compensation amount of the image data.

Abstract: A display device includes a plurality of pixels, each of said plurality of pixels includes a driving transistor and a light emitting diode, a compensator to receive first and second pixel currents generated by the plurality of pixels according to first and second data voltages respectively applied to the plurality of pixels, the compensator to calculate an image data compensation amount to compensate for variations in characteristics of the driving transistor of each of said plurality of pixels and a data selector to transmit the first and second data voltages to the plurality of pixels and to transmit the first and second pixel currents to the compensator, the compensator to measure the first and second pixel currents generated as a result of the first and second data voltages corresponding to different gray scale levels and to calculate an actual threshold voltage and mobility of the driving transistor of each of the pixels, the compensator including a measurement resistor, the compensator to control a resi

Abstract: An electronic imaging device includes a display unit including a plurality of pixels divided into a first region and a second region, and a controller that generates first and second control signals to control the light emission of the plurality of pixels and applies the first and second control signals to the plurality of pixels in the first region and the plurality of pixels in the second region, respectively. The controller may generate and apply the first control signal as a turn-off signal when second stereoscopic images synthesized in a second order different from a first order are displayed in the first region after first stereoscopic images synthesized in the first order are displayed in both the first and second regions.

Abstract: A display device includes a plurality of scan lines that extend in a first direction and transfer a plurality of scan signals, a plurality of data lines that extend in a second direction intersecting the first direction and transfer data signals corresponding to input video signals, a plurality of sub-pixels formed in an area defined by the plurality of scan lines and the plurality of data lines, a plurality of pixels defined by the plurality of sub-pixels, and a barrier structure corresponding to the plurality of pixels, the barrier structure including a transmitting area and a non-transmitting area, wherein at least two adjacent sub-pixels arranged in the second direction form one pixel.

Abstract: A display device and a driving method thereof. The display device detects luminance data from an input video signal, detects the amount of change of the luminance data, detects contour of an image displayed from the input video signal, and emphasizes the detected contour to generate a converted input video signal. The display device compensates the converted input video signal by comparing a data size of the converted input video signal with that of the input video signal and controlling the data size of the converted input video signal to be less than that of the input video.

Abstract: A display device and a method for driving the display device are provided. A pre-gain correction value that can emphasize a contour portion of an image is set by using luminance data detected from an input video signal. The pre-grain correction value is differently amplified in accordance with different light emitting materials that emit light of different colors red, green and blue. The contour portion is thus emphasized, and the contour can be stably emphasized regardless of different life-spans of different light emitting materials emitting lights of colors red, green and blue.

Abstract: An organic electroluminescent display supplies a reverse bias voltage to an Organic Light-Emitting Diode (OLED) for emitting light. The organic electroluminescent display additionally includes a reverse bias transistor to supply the reverse bias voltage. The reverse bias transistor is connected between an anode of the OLED and a reverse bias power supply, between the anode of the OLED and a first power line supplying a positive source voltage, or between the anode of the OLED and a data line. Furthermore, the reverse bias transistor can be connected between an initialization line and the anode of the OLED. The reverse bias voltage is supplied to the OLED before displaying an image or within a non-display period of a vertical synchronous signal, thereby enabling detection of whether or not the OLED has a defect.

Abstract: A display panel of an image display device including data lines for transmitting data voltages representing image signals, scan lines for transmitting select signals, and pixel circuits coupled to the data and scan lines. The pixel circuit includes a driver for outputting a current corresponding to a data voltage applied from the data line, and a display element for displaying an image corresponding to an amount of the current outputted by the driver. A first switch transmits the data voltage to the driver in response to a select signal, and a second switch transmits a precharge voltage to the driver in response to a first control signal. The value of the precharge voltage during a period in which the first control signal is applied to the second switch is different from the value of the precharge voltage during other periods.

Abstract: An image display device including a plurality of data lines for transmitting data currents which correspond to images and a plurality of scan lines for transmitting select signals. A plurality of pixel circuits coupled to the data lines and the scan lines are used to display the images which correspond to the data currents in response to the select signals. A precharge driver applies a precharge voltage to at least one of the data lines. The precharge driver varies the precharge voltage in correspondence to at least one of the data currents.

Abstract: An image display device including a plurality of data lines for transmitting data currents which correspond to images and a plurality of scan lines for transmitting select signals. A plurality of pixel circuits coupled to the data lines and the scan lines are used to display the images which correspond to the data currents in response to the select signals. A precharge driver applies a precharge voltage to at least one of the data lines. The precharge driver varies the precharge voltage in correspondence to at least one of the data currents.

Abstract: An organic electroluminescent display supplies a reverse bias voltage to an Organic Light-Emitting Diode (OLED) for emitting light. The organic electroluminescent display additionally includes a reverse bias transistor to supply the reverse bias voltage. The reverse bias transistor is connected between an anode of the OLED and a reverse bias power supply, between the anode of the OLED and a first power line supplying a positive source voltage, or between the anode of the OLED and a data line. Furthermore, the reverse bias transistor can be connected between an initialization line and the anode of the OLED. The reverse bias voltage is supplied to the OLED before displaying an image or within a non-display period of a vertical synchronous signal, thereby enabling detection of whether or not the OLED has a defect.

Abstract: An active matrix type electroluminescence display device is provided which comprises a plurality of display pixels GS11, GS12, GS13, arranged in a matrix of rows and columns; gate signal lines GL1, GL2, Gli connected to and shared by a plurality of display pixels arranged in each row; and gate drive circuits for sequentially supplying a select signal SCAN to the gate signal lines GL1, GL2, GL3, Gli. Each display pixel includes an electroluminescence element, a first thin film transistor in which a display signal DATA is applied to the drain and which is switched on and off in response to the select signal SCAN, and a second thin film transistor for driving the EL element based on the display signal DATA. The gate drive circuits are placed so that each of the gate signal lines GL1, GL2, GL3, Gli is driven from both ends.

Abstract: A light emitting display including a scan driver for supplying scan signals to scan lines in a first period of a horizontal period, a data driver for sequentially supplying a plurality of data signals to an output line in a second period of the horizontal period, a demultiplexer coupled with the output line and supplying the data signals to a plurality of data lines, respectively, and an image display including a plurality of pixels. The data lines include a capacitor for storing voltages corresponding to the data signals. A last data signal supplied in the second period is supplied to overlaps a scan signal.

Abstract: Power source lines (183) for supplying drive current from power source input terminals (180) to organic EL elements (160) formed in a display pixel region having display pixels are connected by a bypass line (181) along the row direction within the display pixel region. This arrangement minimizes decrease in power source current caused by resistance of the power source lines (183) according to the line length. Accordingly, the organic EL elements (160) can adequately receive the actual desired current, thereby achieving an organic EL device capable of bright displays and having uniform display luminance within the display region.

Abstract: An active matrix type electroluminescence display device comprises a plurality of display pixels GS11, GS12, GS13, etc. arranged in a matrix of rows and columns, each display pixel including an EL element, a first thin film transistor in which a display signal is applied to the drain and which is switched on and off in response to a select signal, a capacitance with one end connected to the source of the first thin film transistor for maintaining a voltage corresponding to the display signal, and a second thin film transistor for driving the EL element based on the display signal. The other ends of the capacitance of row display pixels are connected to and shared by a plurality of first capacitance lines HLA1, HLA2, HLA3, HLAi. Both ends of the plurality of first capacitance lines HLA1, HLA2, HLA3 are connected to and shared by second capacitance lines HLB1 and HLB2. A constant voltage is supplied to the second capacitance line.