Abstract: A display device includes a display area, a test pad, a plurality of first test transistors, and at least one outline. The display area includes pixels coupled to data lines and scan lines. The test pad receives a test signal. The first test transistors are coupled between the data lines of the display area and the test pad. The at least one outline is coupled between one of the first test transistors and the test pad. The at least one outline is located in a non-display area outside the display area.

Abstract: A display device includes: a first pixel region including first pixels, each of the first pixels including a driving transistor to be initialized by a first initialization power source supplied from a first power line; a second pixel region including second pixels, each of the second pixels including a driving transistor to be initialized by a second initialization power source supplied from a second power line; and a power supplier to supply the first initialization power source and the second initialization power source, the first initialization power source and the second initialization power source having a same voltage level when the display device is driven in a first mode, and the first initialization power source and the second initialization power source having different voltage levels during at least one frame period when the display device is driven in a second mode.

Abstract: A display apparatus includes: a display unit including a plurality of pixels connected to a plurality of scan lines and a plurality of data lines; an initialization unit for applying an initialization signal to the plurality of data lines; and a wire test unit for applying a wire test signal to the plurality of data lines through a plurality of fan-out lines respectively connected to one end of each of the plurality of data lines.

Abstract: A display device includes a substrate, a pixel area, and a plurality of data lines. The substrate includes display and non-display areas. The pixel area is in the display area and includes a first pixel column and a second pixel column. The pixels in the first and second columns emit light of different colors. The data lines are respectively coupled to the first pixel column and the second pixel column. In the non-display area, a data line is coupled to one of the first or second pixel columns corresponding to a color on which influence of a resistance is greater than on another color. The data lines has a line or contact structure with a resistance less than a resistance of a line or contact structure of a remaining data line coupled to a remaining pixel column.

Abstract: An emission control driver includes a plurality of stages. Each stage includes three circuit blocks and two output transistors. A first circuit block generates first and second control signals based on a first clock signal and a start signal or carry signal. A second circuit block controls the voltage level of the first control signal based on the first control signal and a second clock signal. A third circuit block generates a third control signal based on the second control signal and the second clock signal. The first output transistor outputs a first voltage as an emission control signal based on the first control signal. A second output transistor outputs a second voltage as the emission control signal based on the third control signal. The second circuit block maintains the voltage level of the first control signal while the first output transistor is turned off.

Abstract: A display apparatus includes a substrate including a display area, a peripheral area surrounding the display area, a function-adding area, of which at least a portion is surrounded by the display area, and a detour area disposed between the display area and the function-adding area. The display apparatus includes a plurality of pixel circuits disposed in the display area. A plurality of driving lines are electrically connected to the pixel circuits and extend in a direction in the display area. A first detour line is disposed in the detour area and is electrically connected to a first driving line. A second detour line is disposed in the detour area. The second detour line is electrically connected to a second driving line and is disposed in a different layer from the first detour line.

Abstract: An emission driver includes a plurality of circuit stages to output emission control signals. Each circuit stage includes signal generators, a pull-up controller to control a pull-up circuit, and a pull-down controller to control a pull-down circuit. One signal generator generates node signals based on a carry signal and a second clock signal. Another signal generator generates a first clock signal delayed from the second clock signal and another node signal. The pull-up circuit pulls up an emission control signal to a first driving voltage based on some of the node signals. The pull-down circuit pulls down the emission control signal to a second driving voltage lower than the first driving voltage. The pull-down controller control the pull-down circuit based on delayed dimming clock signals.

Abstract: A display device according to example embodiments includes a display panel divided into a first area including a plurality of first area pixel rows and a second area including a plurality of second area pixel rows, the number of pixels of each of the second area pixel rows being less than the number of pixels of each of the first area pixel rows, a scan driver configured to provide a plurality of scan signals to the display panel based on a width of an active period of a clock signal, the scan signals being output having substantially the same width of active periods to each other, a data driver configured to provide a plurality of data signals to the display panel, and a timing controller configured to adjust the width of the active period of the clock signal within a frame period based on locations of the first area and the second area.

Abstract: A display device includes a display area, a test pad, a plurality of first test transistors, and at least one outline. The display area includes pixels coupled to data lines and scan lines. The test pad receives a test signal. The first test transistors are coupled between the data lines of the display area and the test pad. The at least one outline is coupled between one of the first test transistors and the test pad. The at least one outline is located in a non-display area outside the display area.

Abstract: A display device includes a display area, a test pad, a plurality of first test transistors, and at least one outline. The display area includes pixels coupled to data lines and scan lines. The test pad receives a test signal. The first test transistors are coupled between the data lines of the display area and the test pad. The at least one outline is coupled between one of the first test transistors and the test pad. The at least one outline is located in a non-display area outside the display area.

Abstract: An organic light-emitting diode (OLED) display and a method of driving the same are disclosed. In one aspect, the OLED display includes a display panel including a plurality of pixels each including an OLED through which driving current is configured to flow and a scan driver configured to apply a scan signal to the display panel. The display also includes a data driver configured to apply a data signal and a data comparison signal to the display panel, wherein the data comparison signal indicates whether the same data signal is applied to adjacent pixels among the pixels, and a timing controller configured to control the scan driver and the data driver. The display further includes a bridge unit configured to control the OLEDs of the adjacent pixels to share the same driving current with each other based at least in part on the scan signal and the data comparison signal.

Abstract: An emission control driver includes stages sequentially outputting emission control signals through emission control lines. Each stage includes a first signal processor receiving a first voltage and generating first and second signals in response to first and second sub-control signals, a second signal processor receiving a second voltage having a level higher than a level of the first voltage and generating third and fourth signals in response to the third sub-control signal, the first signal, and the second signal, and a third signal processor receiving the first and second voltages and generating the emission control signal in response to the third and fourth signals. The first signal processor of each stage receives the emission control signal output from a previous stage as the first sub-control signal, and the first signal processor of a first stage among the stages receives a start signal as the first sub-control signal.

Abstract: An organic light emitting display device includes: a display area including a plurality of pixels including organic light emitting diodes, pixel circuits connected to the organic light emitting diodes, and one or more repair circuit units disposed between the pixel circuits of the pixels disposed on adjacent lines, in which the one or more repair circuit units include a plurality of repair circuits arranged to form at least one line within the display area.

Abstract: A display panel includes: a display including pixel columns electrically connected to data lines; a non-display area adjacent the display; a test circuit configured to receive a lighting test signal passing through at least a portion of the non-display area and to transfer the lighting test signal to the data lines in response to a test control signal; and a switch configured to receive a data signal from an external component and to transfer the data signal to the data lines in response to a switching signal.

Abstract: A display device including: a plurality of first electrodes each corresponding to a plurality of light emitting groups on a plurality of pixels including organic light emitting diodes (OLEDs) and a plurality of second electrodes formed on the plurality of first electrodes, having an insulating layer therebetween, wherein a plurality of touch sensing signals are applied to each of the plurality of first electrodes during a non-light emitting period of each of the plurality of light emitting groups and a touched position is determined in response to a magnitude in voltage between the first and second electrodes by a touch from the outside.

Abstract: A stage circuit includes an outputting unit having a first node and a second node, the output unit configured to supply a voltage of a first power supply or a voltage of a third input terminal to an output terminal in accordance with voltages applied to the first node and the second node, a first driver configured to control the voltage of the second node in accordance with signals of a first input terminal, a second input terminal, and the third input terminal, and a second driver configured to control the voltage of the first node in accordance with the signal of the second input terminal and the voltage of the second node.

Abstract: An organic light emitting display device includes: a display area including a plurality of pixels including organic light emitting diodes, pixel circuits connected to the organic light emitting diodes, and one or more repair circuit units disposed between the pixel circuits of the pixels disposed on adjacent lines, in which the one or more repair circuit units include a plurality of repair circuits arranged to form at least one line within the display area.

Abstract: A display device includes a display area, a test pad, a plurality of first test transistors, and at least one outline. The display area includes pixels coupled to data lines and scan lines. The test pad receives a test signal. The first test transistors are coupled between the data lines of the display area and the test pad. The at least one outline is coupled between one of the first test transistors and the test pad. The at least one outline is located in a non-display area outside the display area.

Abstract: A pixel includes an organic light emitting diode and a pixel circuit. The pixel circuit includes a first transistor to control current from a first power source to the OLED based on a voltage applied to a first node, and a second transistor connected between the first node and a data line, the second transistor to turn on based on a scan signal applied to a scan line. The pixel circuit also includes a controller to supply a voltage from a power line to at least one of the first node or an anode electrode of the OLED.

Abstract: A stage circuit includes an output unit for outputting the voltage of a first or second power source to a first output terminal, corresponding to a voltage at a first or second node; a bidirectional driver for receiving sampling signals of previous and next stages; a first driver coupled to the bidirectional driver to control the voltages at the first and second nodes, corresponding to first and second clock signals; and a second driver coupled to the bidirectional driver to output a sampling signal corresponding to the first and second clock signals. The first driver includes a first transistor coupled between the first power source and the second node; a second transistor coupled between the second node and the second power source; a third transistor coupled between the bidirectional driver and the first node; and a first capacitor coupled between the second node and a second input terminal.