In one embodiment, a computing system may access an image to be displayed by a display. The system may determine one or more first characteristics associated with a content of the image. The one or more first characteristics may include a contrast level of the content of the image with respect to a background of the image. The system may determine a first display persistence time period for the display to display the image based on the one or more first characteristics associated with the content of the image. The system may configure the display to display the image using the first display persistence time period.

A display device is disclosed that may include a first active layer disposed on a substrate, a scan line disposed on the first active layer, extending in a first direction and including a first protruding portion protruding in a second direction crossing the first direction, a first compensation control line disposed on the first active layer, extending in the first direction and spaced apart from the scan line in the second direction, and a second active layer disposed on the scan line and the first compensation control line, overlapping the scan line and the first compensation control line and including a second protruding portion protruding in the first direction. The first protruding portion may be positioned outside the second active layer in the first direction in a plan view.

A communication device includes an interface connector for connecting to a computing circuit to receive a media data and an external power supply, a transmission circuit, wherein the circuit transmits the media data to a network, a battery power supply, a controller circuit powered by the battery power supply, a sensor, communicatively coupled to the controller circuit, for detecting a movement of the communication device, a switch circuit for switchably connecting the battery power supply to the transmission circuit responsive to a first switch control signal, and a test circuit, communicatively coupled to the controller circuit, for generating the first switch control signal based on an external power control signal indicating whether the interface connector is connected to the computing circuit and a motion detection signal indicating whether the sensor detects the movement of the communication device.

A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.

A voltage converter includes an input voltage line; an inductor coupled to the input voltage line; transistors coupled to the inductor; an output voltage line coupled to at least one of the transistors; a current sensor coupled to at least one of the input voltage line, the inductor, or the output voltage line; and a comparator coupled between the current sensor and the transistors. A DC-DC converter may include a voltage converter having an inductor and a plurality of transistors and configured to convert an input voltage into a power voltage and output the power voltage to an output terminal, an input current sensor configured to sense the input current of the converter, and a controller configured to change the slew rate of an inductor voltage in response to the input current of the converter and a preset reference current.

Provided are a display substrate and a detection method therefor, and a display apparatus. Compensation sub-circuits that are in one-to-one correspondence with each stage of a shift register are arranged in a gate driving circuit, and a first capacitor in each compensation sub-circuit is thus charged under the control of a detection input circuit when each stage of the shift register outputs a signal stage by stage; and an output control circuit is used to disconnect the compensation sub-circuit from a pull-up node of the corresponding stage of the shift register. The triggering of each stage of the shift register is stopped after each stage of the shift register (CR(n)) completes outputting, and the output control circuit provides a signal of a first power voltage end to the pull-up node of the corresponding stage of the shift register under the control of a second control end and the first capacitor.

A shift register circuit includes a denoising control sub-circuit and a denoising sub-circuit. The denoting control sub-circuit is configured to generate an alternating voltage signal according to a voltage of a first voltage terminal and a signal of a second clock signal terminal in response to a signal of a first clock signal terminal, to rectify the alternating voltage signal and then to output a signal to a first denoising control node, so that the voltage of the first denoting control node is maintained to be a voltage that enables the denoising sub-circuit to be turned on. The denoting sub-circuit is configured to denoise a scan signal output terminal in response to a voltage of the first denoising control node being the voltage that enables the denoising sub-circuit to be turned on.

A control method for an imaging system is provided. The imaging system includes a display device and a dimming lens disposed on a display side of the display device. The dimming lens is capable of moving toward or away from the display apparatus to adjust an object distance from the display device to the dimming lens. The control method includes: determining the object distance when the dimming lens moves to a set position; according to the object distance, determining an image distance from a virtual image, generated by a display image of the display device through the dimming lens, to the dimming lens; and according to the determined image distance and a correlation between the image distance and a resolution of the display image, determining a resolution corresponding to the determined image distance, and controlling the display device to display the display image at the determined resolution.

A display panel (11) with a low signal transmission power and large cabling space, and a semiconductor display apparatus including the display panel (11) are provided. The display panel (11) includes pixel areas (DB) that are of N rows and M columns and that are connected in a matrix, each pixel area (DB) includes pixel drive modules that are of Q rows and P columns and that are connected in a matrix, each pixel drive circuit (PD) is connected to at least one pixel unit (P), and the pixel drive circuit (PD) drives, based on to-be-displayed image data, the pixel unit (P) to emit light to display an image. All pixel areas (DB) in any column of the pixel areas (DB) are connected to data interfaces (DI) in a same group, and pixel areas (DB) in different columns are connected to data interfaces (DI) in different groups.

Disclosed are an image display device and a method of controlling an image display device. The image display device includes a motion detection unit for detecting a motion of a user and provides a welcome feedback to the user in the form of a visual signal, an audio signal, or both according to whether the motion of the user is detected or not, thereby drawing attention of the user or switching a display state to reduce power consumption of the image display device. The image display device determines a motion exception event that is not regarded a user motion on the basis of an overall change or a local change in pixel value between image frames, thereby preventing the display panel from being activated by a non-human-related factor such as a sudden change in illuminance or a movement of a periodically operating object.