Abstract: An electro static discharge (ESD) protection circuit including a signal transmission line coupled to an external input terminal, the ESD protection circuit including: a first power line coupled to a high voltage power supply; a second power line coupled to a low voltage power supply; a plurality of first oxide thin film transistors coupled in parallel between the first power line and the signal transmission line, the first oxide thin film transistors being diode-connected; and a plurality of second oxide thin film transistors coupled in parallel between the signal transmission line and the second power line, the second oxide thin film transistors being diode-connected.

Abstract: In a data driving apparatus, a DAC converts digital data output from a holding latch into an analog data voltage. An operational amplifier operates as a buffer which outputs the analog data voltage of the DAC to the signal line during a display period and operates as a comparator which compares the voltage of the signal line with the analog data voltage of the DAC during a sensing period. In addition, a sensing controller controls the holding latch to change the data stored in the holding latch according to a comparison value of the comparator.

Abstract: An organic light emitting diode (OLED) display device includes a plurality of pixels each having a pixel circuit and an organic light emitting diode coupled to the pixel circuit. The OLED display device includes a scan driver which is configured to supply a scan signal to the scan lines and to supply an emission control signal to an emission control line commonly coupled to the pixels. The OLED display device also includes repair lines and repair circuits coupled to the repair lines. The repair circuits each have an output terminal coupled to an organic light emitting diode in corresponding pixel. A switching unit is configured to allow output lines of the data driver to be selectively coupled to the repair lines or the data lines.

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a coupling voltage generator. The display panel includes a plurality of pixels. The gate driver provides a gate signal to the display panel. The data driver provides a data voltage to the display panel. The coupling voltage generator provides a coupling voltage to the display panel. The coupling voltage has a plurality of levels.

Abstract: A pixel for an organic light emitting diode (OLED) display is disclosed. One inventive aspect includes an organic light emitting diode, a first transistor, a first capacitor, a second transistor and a second capacitor. The first transistor is configured to control an amount of current flowing from a first power source to a second power source via the organic light emitting diode in response to a voltage of a first node. The first capacitor is connected to a data line and has a first terminal. The second transistor is connected to a second terminal of the first capacitor and a second node and is configured to be turned on when a scan signal is supplied to a scan line. The second capacitor is connected to the second and first nodes.

Abstract: An organic light-emitting display apparatus including emitting pixels including drivers for displaying gradation by making a light-emitting device selectively emit light according to a logic level of a data signal transmitted to each of the sub-fields forming a frame, and dummy pixels coupled to a repair line that is coupled to a light-emitting device of a first emitting pixel from among the plurality of the emitting pixels, wherein the dummy pixels include a first dummy driver for making the light-emitting device of the first emitting pixel emit light by charging the repair line when a data signal having a first logic level is transmitted, a second dummy driver for discharging the repair line when a data signal having a second logic level opposite to the first logic level is transmitted, and a boost capacitor coupled to the repair line and for controlling a charging/discharging speed of the repair line.

Abstract: A sensing driving circuit and a display device including the same are disclosed. In one aspect, the sensing driving circuit includes a plurality of stages configured to respectively output a plurality of sensing signals and including a (K)th stage and a (K+1)th stage. The (K)th stage includes a shift register configured to provide a (K)th carry signal to the (K+1)th stage; and a masking buffer configured to output a (K)th sensing signal. The masking buffer includes a first input circuit configured to provide i) an input signal to a first node based on a node driving signal and ii) a first power voltage to a second node based on the input signal and the node driving signal. The masking buffer also includes a node masking circuit configured to supply the first power voltage to the first node based on a masking signal.

Abstract: A scan line driver is disclosed. In one aspect, the scan line driver includes a driving signal generation circuit, an output line driving circuit, and a carry transfer circuit. The driving signal generation circuit is configured to generate first and second driving signals based on a plurality of clock signals and a carry signal from a previous scan line driver. The output line driving circuit is configured to generate a scan line enable signal based on the first and second driving signals. The carry transfer circuit is configured to generate a carry signal based on the first and second driving signals.

Abstract: A pixel circuit including an organic light emitting diode (OLED), a first transistor, a first capacitor, a second transistor, a second capacitor and a third transistor is disclosed. In one aspect, the first transistor controls the amount of current flowing from a first power source to a second power source via the OLED, corresponding to a voltage at a first node. The first capacitor has a first terminal connected to a data line. The second transistor is connected between a second terminal of the first capacitor and a second node. The second capacitor is connected between the second node and the first node. The third transistor is connected between a fixed voltage source and the second terminal of the first capacitor, and has a turn-on period non-overlapping with that of the second transistor.

Abstract: An organic light-emitting display includes: a display panel, scan and data drivers, an ADC, a controller, and a data switch. In a first initialization period, the data switch connects data lines to the data driver, which applies an initialization voltage thereto. In a first sensing period, the data switch connects the data lines to the ADC. The ADC receives analog sensing signals corresponding to first voltages of the data lines, and converts the analog sensing signals into digital sensing signals output to the controller. In a second initialization period, the data switch connects the data lines to the data driver, which applies the initialization voltage thereto. In a second sensing period, voltages at the data lines change to second voltages, the data switch connects the ADC to the data lines, and the ADC converts analog sensing signals corresponding to the second voltages into digital sensing signals output to the controller.

Abstract: A scanline driver includes a shift register circuit and an output buffer. The shift register circuit provides a register output signal and a plurality of signals based on a scan input signal and a plurality of clock signals. The shift register circuit is arranged at at least one horizontal side of a pixel circuit region and includes a plurality of unit pixel circuits connected to a scanline. The output buffer provides a scanline enable signal to the scanline based on the register output signal and the plurality of signals. The output buffer is arranged at at least one vertical side of the pixel circuit region in a pixel array.

Abstract: An organic light emitting display including a repair circuit is disclosed. In one aspect the organic light emitting diode (OLED) display includes a pixel unit having a plurality of pixels positioned at the intersection of scanning lines, data lines, and power lines, The OLED display further includes an organic light emitting diode OLED connected to the pixel circuit, and repair lines disposed in parallel with data lines and repair circuits connected to the repair lines and the power lines. The OLED display further includes a switching unit for selectively connecting output lines of the data driving unit to the repair lines or the data lines.

Abstract: In a data driving apparatus, a DAC converts digital data output from a holding latch into an analog data voltage. An operational amplifier operates as a buffer which outputs the analog data voltage of the DAC to the signal line during a display period and operates as a comparator which compares the voltage of the signal line with the analog data voltage of the DAC during a sensing period. In addition, a sensing controller controls the holding latch to change the data stored in the holding latch according to a comparison value of the comparator.

Abstract: A pixel of an organic light emitting display includes first through fourth transistors and a capacitor. The first transistor operates based on a scan signal and is connected between a data line and a first node. The capacitor is connected between the first node and a second node. The second transistor operates based on a gate signal and is connected between a first power voltage and a third node. The third transistor operates based on compensation control line signal and is connected between the second node and the third node. The fourth transistor operates based on sensing control line signal and is connected between the data line and the third node. The organic light emitting element is connected between the third node and a second power voltage.

Abstract: An organic light-emitting display and a method of manufacturing an organic light-emitting display are described. According to an aspect, the organic light-emitting display includes a substrate, a photodiode on the substrate, a planarization layer covering the photodiode, a first electrode on the planarization layer, a pixel defining layer at least partially exposing the first electrode, an organic layer covering the first electrode which is exposed by the pixel defining layer and a second electrode covering the pixel defining layer and the organic layer.

Abstract: A portable sectionalized boat includes a floating body portion, a base plate portion and a boat shell. The floating body portion is disposed with one or more rows of boat base units, each row including at least one but generally a plurality of boat base units. Several connection holes are disposed on a peripheral edge of the boat base unit. The base plate portion includes a waterproof member and a base plate. The boat shell includes a first outboard plate, a second outboard plate and a lateral plate. The base plate portion and the boat shell are superposed and fixed on the floating body portion.

Abstract: Each pixel of a display device includes: an organic light emitting diode between a first and a second power supply; a first transistor to transmit a drive current based on data signals; a second transistor to couple a gate electrode of the first transistor to the data line in response to a scan signal; a first capacitor between the first power supply and the gate electrode of the first transistor; a light receiving element coupled to a third power supply; a second capacitor between the light receiving element and a fourth power supply; a third transistor between the data line and a first electrode of the second capacitor, the third transistor including a gate electrode coupled to a selection signal line; and a fourth transistor between the fourth power supply and the third transistor, the fourth transistor including a gate electrode coupled to the first electrode of the second capacitor.

Abstract: A method of operating an organic light-emitting diode (OLED) display and an OLED display are disclosed. In one aspect, the method includes measuring an extent of degradation of the OLEDs and determining a power supply voltage increment based at least in part on the measured extent of degradation. The method further includes increasing a power supply voltage applied to the pixels by the determined power supply voltage increment and increasing the high data voltage and the low data voltage in proportion to the determined power supply voltage increment.

Abstract: A display device includes a display panel, a data driver, a scan driver, and a power supply. The display panel includes power voltage lines and pixels coupled to data lines and scan lines. The data driver supplies data voltages to the data lines. The scan driver provides scan signals to the scan lines. The power supply supplies a power voltage to the power voltage lines. The display panel includes a compensation resistance coupled between s pixels and one of the power voltage lines.

Abstract: A pixel circuit and an electroluminescent display including the same are disclosed. In one aspect, the pixel circuit includes a scan transistor connected between a data line and a first node and having a gate electrode configured to receive a scan signal, a driving transistor connected between a first power supply voltage and a third node and having a gate electrode connected to a second node, an emission control transistor connected between the third node and a fourth node and having a gate electrode configured to receive an emission control signal, a light-emitting diode connected between the fourth node and a second power supply voltage less than the first power supply voltage, and a compensation circuit initializes the second node to an initial voltage during a first compensation period and electrically connects the second node to the third node during a second compensation period following the first compensation period.