Abstract: According to embodiments of the disclosure, a pixel includes a first transistor connected between a first power line and a second power line, and having a gate electrode connected to a first node, a light emitting element connected between the first power line and the second power line, an initialization transistor connected between a third power line and an anode electrode of the light emitting element, and having a gate electrode connected to a first scan line, and a boosting capacitor connected between the first scan line and the anode electrode of the light emitting element.

Abstract: Provided is a gate driver comprising an inverter inverting a start signal to generate an inverted start signal, a first driver including a first stage generating a bias gate signal to initialize a light emitting element of each of pixels in response to the inverted start signal, and a second driver including a second stage generating a write gate signal to apply data voltages to the pixels in response to the start signal. Accordingly, the gate driver may generate a plurality of gate signals using one start signal. In addition, since the gate driver generates a write gate signal and a bias gate signal using one start signal, a bias operation and a light emitting element initialization operation may be performed in a self-scan period without adding the start signal. Further, a size of the gate driver may be reduced, and accordingly, the gate driver may be efficiently disposed.

Abstract: A gate driver including a plurality of stages, each of the plurality of stages including an eighth transistor connected between a third power input terminal and an output terminal, the eighth transistor including a gate electrode connected to a fourth node, a seventh transistor connected between a second power input terminal and the output terminal, the seventh transistor including a gate electrode connected to a third node, an eleventh transistor connected between the third power input terminal and the fourth node, the eleventh transistor including a gate electrode connected to a first node, a twelfth transistor connected between the first node and the third node, the twelfth transistor including a gate electrode connected to the second power input terminal, and a third capacitor connected between the third power input terminal and the fourth node.

Abstract: Disclosed is a scan driving circuit that includes an input transistor, an output transistor, and a discharge control transistor. The input transistor is connected between an input terminal, that receives a start signal, and a first node. The input transistor includes a gate electrode connected to a clock terminal. The output transistor is connected between an output terminal, that outputs a scan signal, and a first voltage terminal. The output transistor includes a gate electrode connected to the first node. The discharge control transistor is connected between the first node and a second voltage terminal, and includes a gate electrode connected to the second voltage terminal. Each frame of a second plurality of frames of the start signal includes an address period and a self-scan period. In the address period, a discharge voltage provided to the second voltage terminal is a high voltage. In the self-scan period, a voltage level of the discharge voltage is lower than a voltage level of the high voltage.

Abstract: A gate driver including a plurality of stages, each of the plurality of stages including an eighth transistor connected between a third power input terminal and an output terminal, the eighth transistor including a gate electrode connected to a fourth node, a seventh transistor connected between a second power input terminal and the output terminal, the seventh transistor including a gate electrode connected to a third node, an eleventh transistor connected between the third power input terminal and the fourth node, the eleventh transistor including a gate electrode connected to a first node, a twelfth transistor connected between the first node and the third node, the twelfth transistor including a gate electrode connected to the second power input terminal, and a third capacitor connected between the third power input terminal and the fourth node.

Abstract: An inverter circuit in a scan driving circuit of a display device that includes an output transistor connected between a first voltage line and an output terminal outputting a second start signal and including a gate electrode connected to an input terminal receiving a first start signal, a first switching transistor connected between the first voltage line and the output terminal and including a gate electrode connected to a first switching line receiving a first switching signal, a second switching transistor connected between the output terminal and a first node and including a gate electrode connected to a second switching line receiving a second switching signal, and a discharge circuit that discharges the first node to a first bias clock signal in response to the first start signal, the first bias clock signal, and a second bias clock signal.

Abstract: A scan driver for driving a plurality of pixels, the scan driver including: stages connected to each other through carry lines, a first stage among the stages includes: a first scan circuit configured to generate a first scan signal in response to a stage select signal, and apply the first scan signal to pixels of the same row among the plurality of pixels; and a second scan circuit electrically connected to the first scan circuit to generate a carry signal overlapping the first scan signal, and configured to provide a second scan signal to the pixels of the same row in response to the carry signal, and the carry signal is output as the stage select signal to a second stage among the stages through one of the carry lines.

Abstract: An inverter circuit in a scan driving circuit of a display device that includes an output transistor connected between a first voltage line and an output terminal outputting a second start signal and including a gate electrode connected to an input terminal receiving a first start signal, a first switching transistor connected between the first voltage line and the output terminal and including a gate electrode connected to a first switching line receiving a first switching signal, a second switching transistor connected between the output terminal and a first node and including a gate electrode connected to a second switching line receiving a second switching signal, and a discharge circuit that discharges the first node to a first bias clock signal in response to the first start signal, the first bias clock signal, and a second bias clock signal.

Abstract: A pixel circuit includes a light emitting element, a first transistor, a second transistor, and a third transistor. The first transistor applies a driving current to the light emitting element. The second transistor and the third transistor apply an initialization voltage to a first electrode of the light emitting element. The second transistor and the third transistor are electrically connected to each other in series.

Abstract: Provided is a gate driver comprising an inverter inverting a start signal to generate an inverted start signal, a first driver including a first stage generating a bias gate signal to initialize a light emitting element of each of pixels in response to the inverted start signal, and a second driver including a second stage generating a write gate signal to apply data voltages to the pixels in response to the start signal. Accordingly, the gate driver may generate a plurality of gate signals using one start signal. In addition, since the gate driver generates a write gate signal and a bias gate signal using one start signal, a bias operation and a light emitting element initialization operation may be performed in a self-scan period without adding the start signal. Further, a size of the gate driver may be reduced, and accordingly, the gate driver may be efficiently disposed.

Abstract: A scan driver for driving a plurality of pixels, the scan driver including: stages connected to each other through carry lines, a first stage among the stages includes: a first scan circuit configured to generate a first scan signal in response to a stage select signal, and apply the first scan signal to pixels of the same row among the plurality of pixels; and a second scan circuit electrically connected to the first scan circuit to generate a carry signal overlapping the first scan signal, and configured to provide a second scan signal to the pixels of the same row in response to the carry signal, and the carry signal is output as the stage select signal to a second stage among the stages through one of the carry lines.

Abstract: A repair pixel and a display apparatus including the repair pixel, the display panel including a repair pixel for a pixel row or a plurality of repair pixels for a pixel row so that repair may be performed using the repair pixel when a bad pixel occurs in the corresponding pixel row. The bad pixel is repaired using the repair pixel so that the yield of the display panel may be enhanced.

Abstract: A method of inspecting a display panel includes testing a pixel circuit including a plurality of transistors and a capacitor in the display panel. The testing of the pixel circuit includes: providing a first test voltage to a first node to which a first electrode of the capacitor is connected, providing a second test voltage different from the first test voltage to a second node to which a second electrode of the capacitor is connected, and detecting a defect in the pixel circuit through a test transistor connected to the first node among the plurality of transistors.

Abstract: A pixel circuit includes a light emitting element, a first transistor, a second transistor, and a third transistor. The first transistor applies a driving current to the light emitting element. The second transistor and the third transistor apply an initialization voltage to a first electrode of the light emitting element. The second transistor and the third transistor are electrically connected to each other in series.

Abstract: Disclosed herein are a display device, and a method of testing a display device. The display device includes sub-pixels arranged along pixel columns, wire pads disposed in a non-display area and disposed on one side of the display area, fan-out lines extending in a first direction and connecting the sub-pixels with the wire pads, data lines extending in the first direction and connected to the fan-out lines, connection wires connecting the fan-out lines with the data lines, at least one of the connection wires including a first portion passing through the display area and extending in a second direction crossing the first direction; and a test unit disposed between the wire pads and the display area and electrically connected to the fan-out lines. The test unit applies a test voltage to the fan-out lines to check a short-circuit or an open-circuit in the fan-out lines.

Abstract: The present invention relates to the preparation of mesenchymal stem cells, which are for the proliferation of viral vectors and viruses, and enable virus production and release timing control such that tumor targeting can be improved and viruses can be mass-produced. In addition, the tumorigenesis of mesenchymal stem cells of the present invention can be fundamentally blocked, safety is secured by enabling virus production and release to be controlled at desired time points, and antitumor effects can be maximized.

Abstract: A repair pixel and a display apparatus including the repair pixel, the display panel including a repair pixel for a pixel row or a plurality of repair pixels for a pixel row so that repair may be performed using the repair pixel when a bad pixel occurs in the corresponding pixel row. The bad pixel is repaired using the repair pixel so that the yield of the display panel may be enhanced.

Abstract: A gate driver including a plurality of stages, each of the plurality of stages including an eighth transistor connected between a third power input terminal and an output terminal, the eighth transistor including a gate electrode connected to a fourth node, a seventh transistor connected between a second power input terminal and the output terminal, the seventh transistor including a gate electrode connected to a third node, an eleventh transistor connected between the third power input terminal and the fourth node, the eleventh transistor including a gate electrode connected to a first node, a twelfth transistor connected between the first node and the third node, the twelfth transistor including a gate electrode connected to the second power input terminal, and a third capacitor connected between the third power input terminal and the fourth node.

Abstract: Disclosed herein is an amyloid ? accumulation and/or aggregation inhibitor. A technique for inhibiting amyloid ? accumulation and/or aggregation by concurrently introducing Nurr1 and Foxa2 genes and introducing the co-expression of the genes is also provided. When used, the composition can be applied to the prevention or treatment of a neurodegenerative disease caused by amyloid ? accumulation and/or aggregation, such as Alzheimer's disease.

Abstract: A display device includes: a substrate including a display area and a non-display area; pixels connected to first scan lines, second scan lines, third scan lines, and emission control lines; a first scan driver supplying a first scan signal to the first scan lines; a second scan driver supplying a second scan signal to some of the second scan lines and supplying a third scan signal to the third scan lines; an emission driver supplying an emission control signal to the emission control lines; a first pad and a second pad provided in the non-display area; a first power line connected to the first pad, the first power line transferring a first voltage to the first scan driver and the emission driver; and a second power line connected to the second pad, the second power line transferring a second voltage to the second scan driver.