A light emitting display apparatus includes a gate driver including stages provided in a substrate and a plurality of gate lines connected to the stages. Each of the stages includes a shift register and two buffers connected to the shift register, a first buffer of two buffers configuring an n.sup.th stage and a first shift register configuring the n.sup.th stage are provided in an n.sup.th horizontal portion and a second buffer of the two buffers is provided in an n+2.sup.th horizontal portion, a third buffer of two buffers configuring an n+1.sup.th stage and a second shift register configuring the n+1.sup.th stage are provided in an n+3.sup.th horizontal portion and a fourth buffer of the two buffers is provided in an n+1.sup.th horizontal portion, and the n.sup.th horizontal portion is a region including pixels which are arranged along a 4n−3.sup.th gate line and a 4n−2.sup.th gate line.

The present disclosure discloses a display driving circuit. The display driving circuit is configured to have a function of detecting a short of a data line occurring on a display panel.

According to embodiments of the disclosure, a gate driving circuit and a display device may include four buffer groups for driving 4k scan lines, two common logic units for controlling the four buffer groups, and a common sensing circuit controlling to output a sensing driving scan signal to at least one scan line among the 4k scan lines. Thus, it is possible to allow the gate driving circuit to have a low-area structure and to reduce the bezel area of the display device.

A display device according to one aspect of the present disclosure includes: a substrate including a display area and a non-display area enclosing the display area; a plurality of pixels disposed in the display area; and a gate driving unit disposed in the non-display area on both sides of the display area and including a plurality of stages. The plurality of stages includes a plurality of normal output stages and a plurality of dummy stages which does not output a signal. The plurality of dummy stages may be connected to a gate low voltage line.

A display apparatus comprises a substrate including a display area and a non-display area adjacent to the display area, a plurality of pixels disposed in the display area, a gate driver disposed on both sides of the display area in the non-display area, the gate driver comprising a plurality of stages including a first stage and a second stage, and a plurality of gate lines extending from the gate driver to the display area, wherein the plurality of gate lines include a first gate line including a linear portion and coupled to the first stage, and a second gate line including a linear portion and a curved portion and coupled to the second stage, and wherein a size of the second stage may be larger than a size of the first stage.

Disclosed is a display apparatus which may prevent a settling time from being changed when image data input to a source drive integrated circuit (IC) is changed, for voltage interpolation. The display apparatus includes a source drive integrated circuit (IC) configured to sequentially perform a first voltage interpolation and a second voltage interpolation at every horizontal period so as to drive a data line by using N bit image data including an M bit interpolation code and an N-M bit image code.

A light emitting display device can include a display panel configured to display an image, a driver configured to drive the display panel, and a power supply configured to supply a high-level voltage to a first power line of the display panel. Also, the power supply includes a voltage controller configured to receive, from the driver, a vertical synchronization signal and current amount information of the high-level voltage for driving of the display panel, and boost the high-level voltage to be supplied to the display panel during a vertical blank period, based on the vertical synchronization signal and the current amount information of the high-level voltage.

A receiver of a display driver and an operating method of the receiver of the display driver are provided. The receiver of the display driver includes an input interface, an operational amplifier and a bias current control circuit. The input interface receives image data. The operational amplifier is coupled to the input interface and includes a bias current circuit. The bias current control circuit adjusts a bias current of the bias current circuit according to a data rate of the image data. The operating method is adapted to the receiver of the display driver.

A gate driving circuit that minimizes output characteristic deviation between a plurality of scan output buffer units, and a display device comprising the gate driving circuit, are discussed. An Nth stage of the gate driving circuit, N being a natural number, can include a node controller configured to control voltages of a first node and a second node according to a set signal and a reset signal, a carry pulse output unit configured to receive a carry clock and output the carry clock as a carry pulse according to voltages of the first node and the second node, and a plurality of scan pulse output units configured to receive a plurality of scan clocks and output each of the scan clocks as a scan pulse according to voltages of the first node and the second node.

The present disclosure relates to an electroluminescent display device and a method for sensing electrical characteristics thereof, and the electroluminescent display device includes a display panel including a plurality of pixels including a sensing pixel and a non-sensing pixel connected to each data line, the plurality of pixels sharing one sensing line, a sensing circuit configured to sense an electrical characteristic value of the sensing pixel based on a sensing voltage applied to the shared sensing line, and a feedback unit configured to apply a feedback voltage according to the sensing voltage applied to the shared sensing line to the data line of the non-sensing pixel.