A display apparatus, including a display panel which includes a pixel array including a plurality of pixels arranged in a plurality of row lines, and a plurality of sub-pixel circuits, wherein each pixel of the plurality of pixels includes a plurality of inorganic light emitting elements, and wherein each sub-pixel circuit of the plurality of sub-pixel circuits corresponds to an inorganic light emitting element of the plurality of light emitting elements; and a driver configured to drive the plurality of sub-pixel circuits so that the plurality of inorganic light emitting elements emit light a plurality of times in an order of the plurality of row lines based on an image data voltage corresponding to one image frame, wherein the each sub-pixel circuit includes a discharge transistor configured to remove a potential difference between both ends of a corresponding inorganic light emitting element based on a predetermined cycle

A display device includes a display panel including a plurality of sensing lines and a plurality of pixels each connected to a corresponding sensing line among the plurality of sensing lines, a sensor that senses characteristic information of the plurality of pixels through the plurality of sensing lines and converts the characteristic information into sensing data having a digital format, and a compensator that converts first data received from outside of the display device into second data based on the sensing data, wherein the sensor senses characteristic information of pixels arranged in a partial area of the display panel during a transition period of a sensing period and processes sensed characteristic information as dummy data.

A display device includes a display panel including a pixel array including a plurality of pixels and a plurality of sub-pixel circuits, each pixel of the plurality of pixels including a plurality of inorganic light emitting elements and a sub-pixel circuit of the plurality of sub-pixel circuits being provided for an inorganic light emitting element of the plurality of inorganic light emitting elements, a driver configured to set the image data voltage to sub-pixel circuits included in each of the plurality of row lines in an order of the row lines, a sensing unit configured to sense a current flowing in a driving transistor included in the sub-pixel circuit based on a specific voltage applied to the sub-pixel circuit, and output sensing data corresponding to the sensed current, and a correction unit configured to correct the image data voltage applied to the sub-pixel circuit based on the sensing data.

A scan driver including a plurality of scan stages. A first scan stage among the plurality of scan stages includes first-to-sixth transistors and a first capacitor. The first transistor is connected to a first Q node, a first scan clock line, and a first scan line. A second transistor is connected to a first scan carry line and the first Q node. A third transistor is connected to a first sensing carry line and a second sensing carry line. A fourth transistor is connected to a first control line and the third transistor. A fifth transistor is connected to the fourth transistor, a second control line, and a first node. A first capacitor is connected to the fifth transistor. A sixth transistor is connected to a third control line, the first node, and the first Q node.

Disclosed are a gate driver and a display panel including the same. The gate driver according to an embodiment includes a plurality of signal transfer units cascade-connected via a carry line to which a carry signal is applied from a previous signal transfer unit, and an n.sup.th (n is a positive integer) signal transfer unit includes a first output unit configured to output a first gate signal to a first output node according to a voltage of a first control node configured to pull up an output voltage and a second control node configured to pull down the output voltage; and a second output unit configured to output a second gate signal in which a phase of the first gate signal is reversed to a second output node, wherein the second output unit may include a first pull-up transistor configured to output a high potential voltage to the second output node according to a voltage of a second control node of an (n-i).sup.th (i is a positive integer less than n) signal transfer unit; and a second pull-down transistor configured to output a first low potential voltage to the second output node according to a voltage of a first control node of an (n+j).sup.th (j is a natural number greater than n) signal transfer unit.

An inverter circuit, a gate driver using the same, and a display device according to an embodiment are discussed. The inverter circuit can include a first transistor connected between a high potential voltage line and a first node; a second transistor having a gate connected to the first node and turned on according to a voltage of the first node to charge a second control node to a high potential voltage of the high potential voltage line; a third transistor having a gate connected to a first control node, a first electrode connected to the first node, and a second electrode connected to the second control node; and a fourth transistor having a gate connected to the first control node, a first electrode connected to the second control node, and a second electrode connected to a low potential voltage line.

An electroluminescent display device includes a pixel configured to display an image based on a difference between a display data voltage and a first reference voltage, a driving voltage generation circuit configured to supply the display data voltage to the pixel through a data line, and a sensing circuit configured to supply the first reference voltage to the pixel through a sensing line. The sensing circuit includes a sensing channel terminal coupled to the sensing line, a switch coupled between the sensing channel terminal and an input terminal for the first reference voltage, and a sampling circuit configured to sense a voltage of the sensing line which has changed from the first reference voltage independent of driving characteristics of the pixel in a vertical blank period in which the switch is turned off.

A display device includes: a display unit including pixels, wherein each of the pixels includes stacks connected in series and each of the stacks includes a light emitting element; a storage to store pieces of stack number information, wherein each of the pieces of the stack number information indicates the number of stacks constituting an effective light source from among the stacks for each of the pixels; a compensator to generate compensated data by compensating image data based on the pieces of the stack number information; and a data driver to generate data voltages based on the compensated data and to provide the data voltages to the display unit. The pixels are to emit light with luminances corresponding to the data voltages.

A gate driver according to an embodiment and a display device using the same are discussed. The gate driver can output a gate signal to a pixel circuit having a driving element connected between a first power line and a first node, a light-emitting element connected between the first node and a second power line, and a switching element connected between the first node and a third power line and driven by the gate signal. The gate driver includes a first circuit unit to receive a carry signal from a previous signal transmission unit to charge or discharge a first control node and a second control node, and a second circuit unit having a first buffer transistor and a second buffer transistor configured to output the gate signal based on a first clock signal and a first low potential voltage according to potentials of the first and second control nodes.

A display device according to some embodiments includes pixels divided into pixel rows arranged in a horizontal direction, and including a light emitting element, and a first transistor for applying a drive current to the light emitting element, and a sensing driver configured to receive a sensing value extracted from one or more of the pixels, wherein at least one pixel row of the pixel rows is configured to be driven in one frame including an emission period in which the light emitting element emits light after a data voltage is applied to the pixels, and an active sensing period for sensing a characteristic of the first transistor.