A display device includes a display panel including gate lines and pixels connected to the gate lines, and a gate driver including plural stages providing gate signals to the gate lines. A first stage among the stages includes a node controller including an input terminal and configured to control a voltage of a first control node and a voltage of a second control node, and an output unit connected to a first gate power source line and configured to output a first gate power source voltage of the first gate power source line as a gate signal through an output terminal in response to the voltage of the first control node. The node controller includes a first auxiliary transistor connected in the form of a diode between the input terminal and the second control node and a boosting capacitor connected between the second control node and the output terminal.

Disclosed is a driving circuit including an input circuit, a first output circuit, a second output circuit and a pull-down circuit. Control terminals of the first output circuit and the second output circuit are connected with an output terminal of the input circuit and receive a control signal from the input circuit, and output terminals of the first output circuit and the second output circuit are connected with the pull-down circuit and receive a pull-down signal. Thus, two stages of driving signals output by one stage driving circuit is realized. As compared with the existing architecture under which the two stage driving circuit is needed to output two stages of driving signals, one input circuit and one pull-down circuit are removed. This application also discloses a four-stage driving circuit and a display panel. The number of used components is reduced, and the frame of the display product is narrowed.

A display device includes a display module, a first adhesive member including a thermal initiator and directly disposed on a rear surface of the display module, a sensor unit directly disposed on the first adhesive member, and a second adhesive member including a photoinitiator and directly disposed on at least a portion of the first adhesive member and the rear surface of the display module.

A display device includes a pixel array unit in which display elements constituting pixels are arranged in a two-dimensional matrix in a row direction and a column direction. Each of the display elements includes a current-driven light-emitting unit and a drive circuit for driving the light-emitting unit. The drive circuit includes at least a write transistor for writing a video signal and a drive transistor for applying current to the light-emitting unit. A voltage is supplied to a back gate of at least the write transistor via a back gate line provided separate from a power supply line that supplies a voltage to the drive transistor.

A display device including a base layer, a circuit layer, a light emitting device layer, an organic layer, and a touch sensing unit. The base layer includes a display area and a non-display area. A plurality of insulation patterns overlaps the non-display area. The organic layer is disposed on the light emitting device and overlaps the plurality of insulation patterns and the organic light emitting diode. At least a portion of the plurality of touch signal lines overlaps the plurality of insulation patterns.

A gate driving circuit and a display device are provided. The gate driving circuit includes a plurality of gate driving units, each of the gate driving units Each of the stage of the gate driving unit comprises two driving signal output units and a cascading signal output unit. The two driving signal output units can in turn output a constant high voltage signal and a wave signal such that a gate driving circuit could output two driving signals at the same time. In contrast to the conventional art, which needs two gate driving circuits to output two driving signals, this embodiment of the present invention could reduce the number of the clock line and the number of the TFTs such that the display device could have a narrow side frame.

Provided is a display device. The display device comprises a substrate, and a plurality of sub-pixels disposed on the substrate and including alight emitting element and a sub-pixel circuit driving the light emitting element. The sub-pixel circuit comprises a driving transistor controlling a driving current flowing through the light emitting element, a first transistor and a second transistor connected in series between a first node, which is a drain electrode of the driving transistor, and a second node, which is a gate electrode of the driving transistor, to receive the same scan signal, and a gate auxiliary electrode disposed on a gate electrode of the first transistor or the second transistor. The gate auxiliary electrode is connected to the gate electrode of the first transistor or the second transistor.

A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.

A display apparatus capable of improving image quality is provided. In the display apparatus, an adder circuit is provided inside and outside a display region, and the adder circuit has a function of adding a plurality of pieces of data supplied from a source driver. Some components of the adder circuit are separately arranged in a pixel region. Thus, limitation on the size of a component included in the adder circuit can be eased, and data addition can be performed efficiently. In addition, by providing the other components included in the adder circuit outside the display region, the number of wirings in the display region can be reduced and the aperture ratio of the pixel can be increased.

A control circuit of a pixel-addressable display corrects a brightness of a pixel element of a pixel circuit of the display based on a curvature of a curvable area of the display. The control circuit selectively applies data line voltages to the pixel circuit. The pixel circuit applies a driving voltage to the pixel element based on the data line voltages.