Abstract: Provided is a dummy pixel circuit. The dummy pixel circuit is applicable to a display panel provided with two through vias and disposed between the two through vias, and includes a pixel sub-circuit and a dummy sub-circuit. The pixel sub-circuit includes one or more first transistors, wherein a control electrode of the first transistor is electrically connected to the first gate line. The dummy sub-circuit includes one or more second transistors, wherein a control electrode of the dummy sub-circuit is electrically connected to the first gate line, a first electrode of the second transistor is electrically connected to a first electrode of a corresponding one of the one or more first transistors, and a second electrode of the second transistor is electrically connected to a second electrode of the corresponding first transistor. One of the first transistors corresponds to at least one of the second transistors.

Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of improving image quality and a method for driving the same. The display device includes a data line; a driving transistor connected to the data line through a first node; a pixel electrode connected to the driving transistor; and an initialization transistor connected between the data line and the pixel electrode, wherein one of a source electrode or a drain electrode of the initialization transistor is directly connected to the data line, and an other one of the source electrode or the drain electrode of the initialization transistor is directly connected to the pixel electrode.

Abstract: [Problem] The present disclosure provides a display device, an electronic device, and a display control method capable of independently controlling the display of images in a high-resolution region and a low-resolution region. [Solution] The present disclosure provides a display device including a pixel section having a plurality of first pixels and a plurality of second pixels, and a driving unit that drives the pixel section. The plurality of first pixels are provided corresponding to respective intersections between a plurality of first scanning lines and a plurality of first data lines. The plurality of second pixels are provided corresponding to respective intersections between a plurality of second scanning lines and a plurality of second data lines. n of the plurality of second pixels (where n is any integer) are provided in a region where m of the plurality of first pixels (where m is any integer) are provided.

Abstract: A display panel and a display device. The display panel includes a pixel driving circuit, and the pixel driving circuit includes a drive transistor, a first capacitor, a second capacitor, a first transistor, a fifth transistor. A first electrode of the drive transistor is connected to a first power line. A first electrode of the first capacitor is connected to a gate of the drive transistor. A first electrode of the second capacitor is connected to a second electrode of the first capacitor. A first electrode of the first transistor is connected to a data line, and a second electrode is connected to a second electrode of the second capacitor. A first electrode of the fifth transistor is connected to the second electrode of the first capacitor and a second electrode is connected to a stabilized power supply terminal.

Abstract: A display device may include a plurality of subpixels respectively connected to a plurality of data lines; a data driving circuit configured to convert a compensated digital image data into an analog data voltage and to supply the analog data voltage to the data lines; a large-capacity memory configured to store initial compensation data based on a characteristic value for each of the plurality of subpixels; a high-speed memory configured to store sampled compensation data sampled from the initial compensation data for less than all of the plurality of subpixels in one frame; and a timing controller configured to control the gate driving circuit and the data driving circuit, to determine final compensation data based on at least one of the sampled compensation data and the initial compensation data, and to output the compensated digital image data based on an input image data and the final compensation data.

Abstract: A display device includes: first sub-pixels commonly connected to a first global data line, each including a first light emitting element to emit light of a first color; and second sub-pixels commonly connected to a second global data line different from the first global data line, each including a second light emitting element to emit light of a second color different from the first color. At least one of the first sub-pixels includes: a first circuit to supply a driving current to the first light emitting element based on a first global data voltage received from the first global data line; a second circuit to control a supply period of the driving current based on a data voltage received from a data line; and a test transistor including a first electrode connected to an anode of the first light emitting element, and a second electrode connected to the data line.

Abstract: An active-matrix organic light-emitting diode (AMOLED) compensation pixel circuit is provided. The pixel circuit is configured to include an OLED element, three switching transistors, one driving transistor, and two capacitors. This configuration allows the voltage applied to the gate of the driving transistor to change in proportion to the area of the display screen, thereby increasing the current flowing through the OLED. This enables compensation for luminance reduction while also automatically compensating for luminance reduction caused by power supply voltage drops.

Abstract: A display device including: a display unit including a plurality of sub-pixels; a touch sensing unit formed on the display unit and configured to sense a touch position; a code arrangement unit disposed on the touch sensing unit, wherein the code arrangement unit includes code patterns; and a surface protection cover disposed on the code arrangement unit, wherein a distance between the code patterns and a reflective surface formed below the code patterns is equal to or less than 55% of one width of one of the code patterns.

Abstract: A display substrate and a display device. A sub-pixel in the display substrate comprises: a first initialization signal line and a second initialization signal line, the potentials of initialization signals transmitted by the first initialization signal line and the second initialization signal line being different; a sub-pixel driving circuit in the sub-pixel comprises a drive transistor, a first reset transistor and a second reset transistor; a first electrode of the drive transistor is coupled to a light-emitting element; a first electrode of the first reset transistor is coupled to a gate electrode of the drive transistor, and a second electrode of the first reset transistor is coupled to the first initialization signal line; a first electrode of the second reset transistor is coupled to the light-emitting element, and a second electrode of the second reset transistor is coupled to the second initialization signal line.

Abstract: A display device includes a display panel which displays an image, where a plurality of areas, in each of which a plurality of pixels is positioned, is defined in the display panel, and a controller which generates image data based on an image signal received from the outside and compensates for deterioration of the display panel. The controller includes a stress information generator which generates stress information of the display panel corresponding to the deterioration and a deterioration compensator which changes at least one selected from a spatial resolution and a bit-depth of each of the plurality of areas based on the stress information of each of the plurality of areas.

Abstract: A display panel and a display device are provided. The display panel includes a first display region, a first optical component region, and a second optical component region. The first optical component region and the second optical component region are arranged along a first direction. The first display region at least partially surrounds the first optical component region and the second optical component region. The first display region includes first signal lines extending along the first direction. Each of some first signal lines includes a first line segment and a second line segment. The first line segment and the second line segment are electrically connected through a first connection line; and at least a portion of line segments of the first connection line is arranged in layers different from the first line segment and the second line segment.

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and an emission driver. The display panel includes a pixel. The gate driver provides a gate signal to the pixel. The data driver provides a data voltage to the pixel. The emission driver provides an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element which applies a driving current to the light emitting element, a storage capacitor connected to a control electrode of the driving switching element and a bias capacitor including a first electrode connected to the storage capacitor and a second electrode which receives a bias gate signal. A waveform of the bias gate signal varies based on an off ratio representing a ratio of an off period of the emission signal in a frame period.

Abstract: A semiconductor device that level-shifts a negative voltage and/or a positive voltage is provided. The semiconductor device includes a first transistor, a second transistor, a third transistor, a fourth transistor, a first capacitor, an input terminal, and an output terminal. A first terminal of the first transistor is electrically connected to a first terminal of the second transistor and the output terminal. A second terminal of the second transistor is electrically connected to a first terminal of the third transistor. A first terminal of the fourth transistor is electrically connected to a gate of the second transistor and a first terminal of the first capacitor, and a second terminal of the first capacitor is electrically connected to the input terminal. The first transistor, the second transistor, the third transistor, and the fourth transistor are of the same polarity.

Abstract: A unit pixel according includes a transparent substrate, a plurality of light emitting devices disposed on the transparent substrate, and an adhesive layer disposed between the light emitting devices and the transparent substrate to bond the light emitting devices. The adhesive layer is sealed inside the unit pixel.

Abstract: A pixel circuit is disclosed that includes a first hold capacitor or a second hold capacitor or both the first and second hold capacitors. The first hold capacitor is connected to a first gate electrode of a first transistor and an intermediate node of a first sub-transistor and a second sub-transistor. The second hold capacitor is connected to the first gate electrode of the first transistor and an intermediate node of a third sub-transistor and a fourth sub-transistor.

Abstract: A voltage compensation circuit, voltage compensation method, and display device, in which the voltage compensation circuit is applicable to the pixel unit of the 2T1C structure; during the voltage sensing period, the changed data signal is adjusted and output to the pixel unit, and the data signal is sensed at the turning-on moment of the second transistor of the pixel unit, and the threshold voltage is determined according to the voltage value of the data signal at the turning-on moment; and during the voltage compensation period, the voltage value of the compensated data signal is determined according to the threshold voltage value and output to the corresponding pixel unit; sensing of the threshold of the second transistor is realized, and there is no need to arrange T3, sensor line or control signal line, the structure of the display panel is simplified and the design cost is reduced.

Abstract: A display substrate including a display area, where the display area includes multiple pixel units in an array, in at least two adjacent rows of pixel units, a connection point between first and second power lines is in the first pixel unit, but is not in the second pixel unit; in at least two adjacent columns of pixel units, respective connection points between the first power lines and the second power lines are not on a straight line; and the display area includes at least two display sub-areas along an extending direction of the second power line; for any two display sub-areas, a number of the first pixel units in one of the two display sub-areas closer to a first power bus is less than a number of the first pixel units in the other of the two display sub-areas farther away from the first power bus.

Abstract: A pixel circuit can include a first oxide transistor, a second oxide transistor, and a driving transistor. The driving transistor can include a gate electrode, a source electrode and a drain electrode. A capacitor, the first oxide transistor, and the second oxide transistor are connected to the gate electrode of the driving transistor. The pixel circuit can further include an emission element and a first transistor connected to the source electrode or drain electrode of the driving transistor.

Abstract: A display device includes a plurality of light emitting devices included in a pixel, and a control circuit configured to define each of a plurality of subframe periods included in a frame period during which a frame image is displayed as one of an emission period in which the light emitting device is in an emission state and a non-emission period in which the light emitting device is in a non-emission state, and to control emission of the light emitting device, based on a gradation value of the pixel.

Abstract: A system includes an optical transmission layer configured to allow a first luminance of illuminated images output from a display to pass through the optical transmission layer at a given time and to allow a second luminance of the illuminated images output from the display to pass through the optical transmission layer at another given time. The second luminance is one of dimmer or brighter than the first luminance.

Abstract: A display apparatus according to an embodiment includes a gate driving circuit configured to sequentially output gate signals during a compensation period of a frame period, in which a threshold voltage of a driving transistor is compensated, wherein a gate signal output by each of a plurality of stages is simultaneously supplied to gate lines arranged in two or more rows corresponding thereto.

Abstract: A display panel includes a substrate, a thin-film transistor layer disposed on the substrate, an auxiliary layer disposed between the substrate and the thin-film transistor layer and including a first auxiliary layer and at least a second auxiliary layer disposed on a side of the first auxiliary layer close to the substrate. A dielectric constant of a constituent material of the first auxiliary layer is less than a dielectric constant of a constituent material of the substrate and is greater than a dielectric constant of a constituent material of the second auxiliary layer. The second auxiliary layer includes a plurality of auxiliary portions arranged at intervals.

Abstract: A display device includes: a plurality of pixels coupled to data lines and sensing lines; a data driver configured to supply one of an image data signal and a sensing data signal to the data lines; a voltage supply configured to supply an initialization voltage to the pixels through the sensing lines; and a sensing circuit configured to receive a sensing value from at least one of the pixels through the sensing lines, and compare the sensing value with a sensing reference value to generate a sensing voltage control signal to control at least one of the sensing data signal or the initialization voltage.

Abstract: A display device includes a first electrode and a second electrode on a substrate spaced apart from each other, a first insulating layer on the first and second electrodes, wall patterns on the first insulating layer and overlapping the first electrode and the second electrode, a second insulating layer on the first insulating layer and overlapping the wall patterns, light-emitting elements directly on the second insulating layer and between the wall patterns, a bank layer on the first insulating layer and surrounding an area including the light-emitting elements, and a first connecting electrode on the first electrode electrically contacting the light-emitting elements, and a second connecting electrode on the second electrode electrically contacting the light-emitting elements, the first insulating layer includes an organic insulating material, and the second insulating layer includes an inorganic insulating material.

Abstract: A display device includes a display panel including, a driving transistor configured to generate driving current, a light emitting element configured to emit light based on the driving current and an initialization transistor configured to apply an initialization voltage to an output electrode of the driving transistor, a sensing driver configured to generate sensing data by receiving the driving current of the pixels through initialization transistors and a driving controller configured to generate accumulated image data by accumulating input image data for frames and to compensate for the input image data based on the accumulated image data and the sensing data.

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: The subject matter described in this disclosure includes a pixel circuit with an LED and a driving transistor having a drain terminal that is connected to the LED to supply power to the LED. The pixel circuit also includes a second transistor that is connected between the LED and an initialization voltage line, the second transistor having a gate terminal connected to a scan line. The pixel circuit also includes a third transistor that is connected between the LED and the initialization voltage line in series with the second transistor, the third transistor having a gate terminal connected to a reset line. The pixel circuit is configured so that activating the scan line at a first frequency and activating the reset line at half the first frequency causes the LED to be initialized every other time the scan line is activated.

Abstract: The present disclosure provides a substrate structure including a substrate, a first electrode, a second electrode, a first signal line, and a second signal line. The substrate includes a functional region and a peripheral region, and the peripheral region is adjacent to the functional region. The first electrode and the second electrode are disposed on the substrate and arranged along a first direction. The first signal line and the second signal line are arranged on the substrate and along the first direction and extend along a second direction perpendicular to the first direction. The first signal line is electrically connected to the first electrode, and the second signal line is electrically connected to the second electrode. The first signal line and the second signal line are electrically connected to each other in the peripheral region.

Abstract: A driving device of an electroluminescent display apparatus, including a display panel where a pixel line including a set of pixels is provided in plurality, includes a pixel line determiner configured to select a representative pixel line, disposed at a position at which an accumulation stress caused by repetitive display of an input image is largest, from among all pixel lines, an over driving control controller configured to select a sample pixel characteristic value from among pixel characteristic values of the representative pixel line and selectively output a first ODC control signal and a second ODC control signal, based on a magnitude of the sample pixel characteristic value, and a sensing and driving circuit configured to pre-sense pixel characteristic values of the representative pixel line in the first sensing period, perform ODC sensing on the pixel characteristic values of the all pixel lines once each according to the first ODC control signal in a second sensing period succeeding the first sensi

Abstract: Provided is a pixel circuit. In the pixel circuit, a data writing circuit controls the connection or disconnection between a data terminal and a first node, a reset circuit controls the connection or disconnection between an initial power supply terminal and a second node and between an initial power supply terminal and a light-emitting element, and controls the connection or disconnection between a reference power supply terminal and the first node, a potential adjustment circuit adjusts the potentials of the first node, the second node and the third node, a light emission control circuit controls the connection or disconnection between the reference power supply terminal and the first node, and controls the connection or disconnection between the fourth node and the light-emitting element, and a drive circuit drives the light-emitting element to emit light.

Abstract: Provided are a display substrate, a manufacturing method thereof, a display device. The display substrate includes sub-pixel units on a base layer, each sub-pixel unit includes a light propagation unit including a first medium structure and a second medium structure, orthographic projections of the first medium structure and the light emitting unit on the base layer are at least partially overlapped, the second medium structure contacts at least one side of the first medium structure. The first medium structure has a refractive index larger than that of the second medium structure. A first included angle between a diagonal line and a bottom side of a first cross section of the first medium structure is equal to a total reflection angle at a contact surface between the first medium structure and the second medium structure. The first included angle is smaller than or equal to a preset angle.

Abstract: Disclosed are a display substrate and a display apparatus, the display substrate includes a display region and a non-display region, the display region is provided with a pixel circuit and a light emitting unit; each pixel circuit is connected with K light emitting devices emitting light of a same color; each pixel circuit includes a current control sub-circuit and a light emitting selection sub-circuit; the current control sub-circuit is configured to provide a drive current to a first node under control of a reset signal terminal, an initial signal terminal, a scan signal terminal, a data signal terminal, a light emitting control terminal, and a first power supply terminal; the light emitting selection sub-circuit is configured to sequentially provide a signal of the first node to the K light emitting devices emitting light of the same color under control of K light emitting selection signal terminals.

Abstract: A display panel, a pixel driving circuit, and a display device are provided. Driving transistors include a first transistor and a second transistor connected in parallel. An absolute value of a threshold voltage of the first transistor is greater than an absolute value of a threshold voltage of the second transistor. A carrier mobility of the first transistor is greater than a carrier mobility of the second transistor. A driving current is affected by characteristics of the second transistor and an increase speed is slowed down, which improves a problem of color unevenness of the display panel at low brightness.

Abstract: A compensating circuit and a compensating method for a pixel data of a display device are provided. The compensating circuit includes a color calculator, a gain value generator and a calculating circuit. The color calculator generates a color value according to a color of the pixel data. The gain value generator generates a first gain value according to the color value and a duty cycle of an emission driving signal, and generates a second gain value according to the duty cycle and a gray value of the pixel data. The calculating circuit calculates a compensated pixel data according to the pixel data, the first gain value and the second gain value.

Abstract: A display device includes pixels, and each pixel is connected between a first electrode or a second electrode of a driving transistor and a bias line, includes a bias transistor configured to transfer a bias voltage applied from the bias line to the first electrode or the second electrode of the driving transistor during a bias period. Bias voltages applied to the pixels emitting light of different colors are different from each other.

Abstract: A display panel and a display device are provided. The display panel includes at least one pixel circuit and a light emitting element. One pixel circuit includes a driving transistor, a second transistor, a third transistor, and a first light-emission controlling module. The second transistor is connected between a data line and a source of the driving transistor and is configured to provide a data signal. The third transistor is connected between a voltage adjusting signal line and the source of the driving transistor and is configured to provide an adjusting voltage. The first light-emission controlling module is connected between a first power supply terminal and the source of the driving transistor and is configured to provide a power supply voltage. The power supply voltage provided by the first power supply terminal is VP, and the adjusting voltage is VJ, where VP<VJ?VP+3.5V, and/or VP+1V<VJ.

Abstract: A controller and a display device including the controller are discussed. The display device can perform a compensation based on a stress value for each sub-pixel and update a correction table used for compensation using a sensing value acquired at a preset period. As such, it is possible to improve the accuracy of real-time compensation. In addition, since it is possible to compensate for a sub-pixel for which a sensing value is not acquired using an indirect gain according to the ratio of the stress values of the sub-pixel to a sensing value, the accuracy of compensation can be improved even if sensing for each sub-pixel sharing a sensing line may not be easy.

Abstract: A pixel circuit and a driving method therefor and a display panel are provided. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, and a first reset circuit; the driving circuit includes a control terminal, a first terminal, and a second terminal, and is configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; the data write circuit is configured to write a data signal into the control terminal of the driving circuit; the storage circuit is configured to store the data signal; the first reset circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit; the driving circuit and the data write circuit each include an N-type thin film transistor; and the first reset circuit includes an N-type oxide thin film transistor.

Abstract: The present application provides a pixel circuit and a display device; the pixel circuit includes a driving unit, a light emitting control unit electrically connected to the driving unit, and a first reset unit electrically connected to the driving unit, and a first end of the first reset unit is electrically connected to the driving unit, a second end of the first reset unit is electrically connected to the first constant voltage signal input end, and a control end of the first reset unit is electrically connected to the first reset signal input end.

Abstract: A display panel includes a base layer, a circuit layer disposed on the base layer and including a first driving circuit, a second driving circuit, and a plurality of pixel circuits, and a light emitting element layer disposed on the circuit layer and including a plurality of light emitting elements, each of the plurality of light emitting elements electrically connected to corresponding one of the plurality of pixel circuits. In a first direction, each of the first driving circuit and the second driving circuit is disposed between the plurality of pixel circuits.

Abstract: A display device includes pixels having different arrangements of subpixels and reducing a color edge. The display device includes a display unit where a plurality of first pixels including subpixels of three colors and second pixels including subpixels of the three colors are alternately arrayed in row and column directions, an arrangement of the subpixels in the first pixel and an arrangement of the subpixels in the second pixel differing from each other, and a luminance allocation unit allocating luminance of a subpixel of a first color among the three colors in the first pixel to a subpixel of the first color in the second pixel adjacent to the first pixel with a predetermined ratio and allocating luminance of the subpixel of the first color in the second pixel to the subpixel of the first color in the first pixel adjacent to the second pixel with a predetermined ratio.

Abstract: A pixel circuit includes a plurality of driving transistors and a plurality of gating sub-circuits. The plurality of driving transistors are configured to output different driving currents under control of a received control signal. Each gating sub-circuit is electrically connected to a respective selection signal terminal, a scanning signal terminal, a respective driving transistor and a light-emitting device, and is configured to be turned on under control of a scanning signal from the scanning signal terminal and a selection signal from the selection signal terminal to transmit a driving current from the connected driving transistor to the light-emitting device. Within a frame period, one of a plurality of selection signal terminals respectively electrically connected to the plurality of gating sub-circuits outputs a selection signal.

Abstract: A pixel circuit includes a light emitting element, a first energy storage circuit, a first driving circuit, a second driving circuit, a first driving control circuit, a second driving control circuit, a second energy storage circuit and a first control data voltage writing-in circuit; the first control data voltage writing-in circuit controls to write a first control data voltage into the third node under the control of a first writing-in control signal; both the first terminal of the first driving circuit and the first terminal of the second driving circuit are electrically connected to a power supply voltage terminal, the first driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof, and the second driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof.

Abstract: The present application provides a pixel compensation circuit, a method of compensating pixel, and a display panel. The pixel compensation circuit includes a compensation transistor, a driving transistor, a reset transistor, a first switching transistor, a second switching transistor, a first capacitor, a second capacitor, and a light-emitting device. Compared with the pixel compensation circuit in prior art, the present application does not need to adopt a plurality of array substrate gate driving circuit to achieve compensation function. That is, the scanning signal lines adopted by the present application are less, which is convenient to achieve narrow bezel of display products.

Abstract: A liquid crystal display module for a multi-screen display device includes a liquid crystal display panel that includes a first gate driver connected to one ends of a plurality of gate bus lines and a second gate driver connected to other ends of the plurality of gate bus lines, and a control device. The control device receives, from a host computer, an image signal and an arrangement information signal indicating arrangement information of the liquid crystal display panel in the multi-screen display device, generates a gate signal from the image signal, and outputs the gate signal to one or both of the first gate driver and the second gate driver determined based on the arrangement information signal.

Abstract: Disclosed is a pixel circuit and a display device including the pixel circuit. The pixel circuit includes: a driving element; a light emitting element; a first capacitor connected between a second node and a fourth node; a second capacitor connected between a third node and the fourth node; a first switch element connected between the second node and a data line; a second switch element connected between the fourth node and a third voltage node; a third switch element connected between the third node and a fourth voltage node; a fourth switch element connected between the second node and the third voltage node; and a fifth switch element connected between the third node and an anode electrode of a light emitting element. In various embodiments, one or more the second third, fourth.

Abstract: Provided is a thin film transistor including an active layer including a first silicon active layer, a second silicon active layer, and an oxide active layer in a space between the first silicon active layer and the second silicon active layer, a gate electrode on the active layer with a gate insulating layer disposed therebetween, and a source electrode and a drain electrode with an interlayer insulating layer disposed between the gate electrode and the source and drain electrodes, the source and drain electrodes being in contact with the first silicon active layer and the second silicon active layer, respectively.

Abstract: A display device includes a plurality of light-emitting elements arrayed in a display region, a first pixel circuit and a second pixel circuit coupled to each of the light-emitting elements, a first drive transistor provided to the first pixel circuit and configured to supply a first drive current to the light-emitting element, a second drive transistor provided to the second pixel circuit and configured to supply a second drive current to the light-emitting element, a drive circuit configured to supply a video signal to the first drive transistor and the second drive transistor, a first coupling switching transistor provided between the first drive transistor and the light-emitting element, and a second coupling switching transistor provided between the second drive transistor and the light-emitting element. The first coupling switching transistor and the second coupling switching transistor are turned off in a non-emission period of the light-emitting element.

Abstract: A display device is provided. A display device comprises a light emitting element disposed on a substrate, a driving transistor that provides a driving current to the light emitting element according to a voltage of a gate electrode, a first transistor supplying a data voltage to the gate electrode of the driving transistor, a first capacitor comprising a first capacitor electrode electrically connected to a first driving voltage line to which a first driving voltage is applied and a common capacitor electrode electrically connected to a first electrode of the first transistor, and a second capacitor comprising a second capacitor electrode electrically connected to the gate electrode of the driving transistor and the common capacitor electrode of the first capacitor, wherein the first capacitor electrode, the common capacitor electrode, and the second capacitor electrode overlap each other in a thickness direction of the substrate.

Abstract: A data compensation circuit includes a reference frame memory device which stores reference frame data, an accumulated stress memory device which stores cumulative stress data for each of pixels, a stress data generating block which compares output image data with the reference frame data to generate stress data for each of the pixels, a memory control block which adds the stress data to the cumulative stress data to update the cumulative stress data and a compensating block which generates the output image data by generating afterimage compensation data for each of the pixels based on the cumulative stress data and compensating input image data based on the afterimage compensation data.