Disclosed are a display apparatus, a drive chip, and an electronic device. When determining that a disconnected signal line exists, a drive chip sends a control signal to a signal line repair module, so that a shift output end of a first shift unit corresponding to the disconnected signal line outputs an enable signal, so as to control a corresponding connection switch in a connection switch group to be turned on, to enable the disconnected signal line to be electrically connected to a repair line. The display apparatus may repair a disconnected signal line without being returned to a factory and a manual operation.

The present disclosure discloses a backlight apparatus for a display and a current control integrated circuit thereof. The backlight apparatus includes a backlight panel including light-emitting diode (LED) channels having a matrix structure and divided into a plurality of control units, a column driver configured to provide, in a horizontal period unit, column signals corresponding to columns of the LED channels, a row driver configured to provide, in a frame unit, row signals corresponding to rows of the LED channels and to sequentially provide the row signals in the horizontal period included in the frame, and current control integrated circuits disposed in the backlight panel in a way to correspond to the control units, respectively, and each configured to receive the column signal and the row signals corresponding to LED channels of the control unit and to control emission of the LED channels of the control unit.

A pixel with a color-agnostic repair site includes a pixel controller, a first site for a first light emitter electrically connected to the pixel controller with a first wire, a second site for a second light emitter electrically connected to the pixel controller with a second wire different from the first wire, and a repair site for a repair light emitter. A repair wire can independently electrically connect the repair site to the pixel controller. A repair wire can electrically connect the repair site to the first wire or to the second wire with a jumper. The repair site can electrically connect to the first wire or to the second wire. A first repair wire can electrically connect the repair site to the first wire, a second repair wire can electrically connect the repair site to the second wire, and one of these wires can be cut.

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.

Image data for a current image frame may be compensated for transient response variations due to variations in display panel temperatures at various positions of the display panel by performing pixel drive compensation. The pixel drive compensation may be performed based at least in part upon display panel temperatures at various portions of the display panel. In this way, drive compensation corresponding to various temperature variations in a display panel may be implemented.

An afterimage compensation device includes: an afterimage area detector to receive an input image, and detect an afterimage area including an afterimage in the input image; an afterimage area corrector to detect a false detection area, and generate a corrected afterimage area, the false detection area being a part of a general area that is not detected as the afterimage area and surrounded in a plurality of directions by the detected afterimage area; and a compensation data generator to adjust a luminance of the corrected afterimage area to generate compensation data.

A chip on film (COF) package in which a predetermined driving integrated circuit (IC) is mounted includes a wiring structure connected to the driving IC, and a test pad connected to the wiring structure, wherein the test pad includes a base film divided into a first region and a second region, and a conductive layer located in the first region, and the second region is surrounded by the first region in a plan view.

A light emitting substrate, a method of driving a light emitting substrate, and a display device are provided. The light emitting substrate includes a plurality of light emitting units arranged in an array. Each light emitting unit includes a driving circuit, a plurality of light emitting elements, and a driving voltage terminal. The plurality of light emitting elements are sequentially connected in series and connected between the driving voltage terminal and the output terminal of the driving circuit. The driving circuit is configured to output a relay signal through the output terminal in a first period according to a first input signal received by the first input terminal and a second input signal received by the second input terminal, and supply a driving signal to the plurality of light emitting elements sequentially connected in series through the output terminal in a second period.

A display device includes a timing controller, a data driver controlled by the timing controller, and a display panel configured to display an image by the data driver. When a data signal is applied in an abnormal state, the data driver generates a voltage for display of black by itself, and supplies the voltage to the display panel.

A display device can include a display panel including a display area in which sub-pixels are disposed, and a non-display area adjacent to the display area and in which a second pad portion is disposed, a printed circuit board including a first pad portion for outputting voltages to the display panel, and a circuit film including a first end connected to the first pad portion of the printed circuit board and a second end connected to the second pad portion of the display panel. The display device can further include an analog-to-digital converter to receive a voltage output from the first pad portion or the second pad portion through a line in the circuit film electrically connecting the first pad portion with the second pad portion, and output a value corresponding to the voltage input for detecting a bonding state of at least one internal component within the display device.