A display device comprises: pixels connected to a power line to which a pixel driving voltage is supplied; data lines that extend in a first direction and are connected to the pixels, the data lines applying data voltages of an image to the pixels; gate lines that are connected to the pixels and extend in a second direction, the gate lines applying gate signals to the pixels; a data driver configured to supply the data voltages to the data lines during a display mode, and to supply sensing data to the data lines during a sensing mode; a gate driver configured to supply the gate signals to the gate lines; and a sensing circuit configured to sense current flowing through the power line that is connected to a subset of pixels from the pixels during the sensing mode, the subset of pixels arranged along the first direction.

The present disclosure provides an apparatus and method for controlling a display module, and a display device. The apparatus for controlling the display module includes a voltage sampling circuit and a data processing circuit. The voltage sampling circuit may acquire a data voltage and a common voltage and transmit the acquired data voltage and common voltage to the data processing circuit. The data processing circuit may determine, based on the data voltage and the common voltage, whether liquid crystal molecules are deflected abnormally, and control a main control circuit to restart if the liquid crystal molecules are deflected abnormally.

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.

A light emitting display device can include a display panel configured to display an image; a driver configured to drive the display panel; a controller configured to control the driver; and a defect sensing circuit configured to sense a current through a driving voltage line transmitting a driving voltage for driving of the display panel, and output a sensing value based on the current for determining whether an element in a subpixel of the display panel is defective.

A light emitting display device includes a display panel including subpixels connected to a reference line, and a data driver connected to data lines of the display panel. The data driver simultaneously acquires degradation information values as to the subpixels through the data lines after driving transistors included in the subpixels perform a source-following operation by a reference voltage transmitted through the reference line and a data voltage for sensing transmitted through the data lines.

The present application provides a method for driving a mini-LED backlight module. The method includes dividing the mini-LED backlight module into a plurality of partitions along an extending direction of a data line, dividing a period of each frame used in the mini-LED backlight module into an adjusting sub-field, and adjusting durations of a bright sub-field or a dark sub-field of the adjusting sub-field corresponding to different partitions based on different gray modes. In such a way, the brightness of each partition falls within a configured brightness threshold range.

A light emitting apparatus is provided. The light emitting apparatus in which a pixel, that comprises a current path including a light emitting element, a driving transistor configured to supply a current corresponding to a luminance signal to the light emitting element, and a light emission control transistor configured to control light emission or non-light emission of the light emitting element, is arranged. In the current path, the light emission control transistor is arranged between the light emitting element and the driving transistor, and a withstand voltage of the driving transistor is lower than a withstand voltage of the light emission control transistor.

The present embodiment provides a technology for sensing a common mode voltage in the positive line and negative line of a transmission line for image data and determining whether noise occurs in the image data transmitted through the transmission line by comparing the common mode voltage with a set reference voltage.

A display device including: a substrate including a display area and a peripheral area adjacent to the display area; a plurality of data lines extending in a first direction in the display area; a fan-out unit arranged in the peripheral area and connected to the plurality of data lines; a first signal line arranged in the peripheral area; and a common power supply line arranged in the peripheral area and overlapping the fan-out unit.

One or more embodiments of the present disclosure provides a display device. The display device includes a display panel which includes a plurality of pixels; a threshold voltage sensing circuit which senses a threshold voltage of a light emitting diode included in the plurality of pixels, a data compensating circuit which corrects a data signal in accordance with a variation of the threshold voltage and accumulated data to generate a corrected data signal, and a data driver which generates a data voltage in accordance with the corrected data signal to output the data voltage to the display panel, in which the data compensating circuit periodically corrects the data signal in accordance with a look-up table in which a relationship of the variation of the threshold voltage and the accumulated data is described during an aging period to generate the corrected data signal. The display device according to the present disclosure improves an image quality of the display.