A transparent display panel and a control method and apparatus therefor, a display system, and a computer-readable storage medium. The transparent display panel includes: a liquid crystal panel (11), and a transflective optical film layer (12) disposed on one side of the liquid crystal panel (11), wherein a plurality of microstructures (31) for scattering incident light rays are provided in the transflective optical film layer (12), in order to present a projected image. The transparency level of the transparent display panel is determined by acquiring the ambient light intensity of the transparent display panel or a grayscale average of a projected image at each first region, and the light transmittance level of the liquid crystal panel is adjusted according to the transparency level, thereby improving the projection display effect.

A display unit including a liquid crystal layer, a plurality of optical layers and an imaging device. The imaging device is aligned to a portion of the display unit, the portion configured to transmit more than 10% of light rays to the imaging device. A method of assembling the same is also provided.

An optical scan device includes an optical waveguide array, including a plurality of optical waveguides each of which propagates light along a first direction, that emits a light beam, the plurality of optical waveguides being arranged in a second direction that intersects the first direction, a phase shifter array including a plurality of phase shifters connected separately to each of the plurality of optical waveguides, a control circuit that controls a phase shift amount of each of the plurality of phase shifters and/or inputting of light to each of the plurality of phase shifters and thereby controls a direction and shape of the light beam that is emitted from the optical waveguide array, a photodetector that detects the light beam reflected by a physical object, and a signal processing circuit that generates distance distribution data on the basis of output from the photodetector.

A display module includes a circuit substrate, a plurality of image display units and at least one optical sensor. The plurality of image display units is disposed on the circuit substrate in a matrix arrangement. The at least one optical sensor is disposed at a position of the circuit substrate where there is no image display unit disposed thereon. A quantity ratio of the image display units and the at least one optical sensor is between 1 and 100000.

An electronic device is provided. The electronic device includes: a display panel including a display area in which a plurality of pixels are arranged and configured to display an image in a first direction, and a first camera module including camera circuitry and a second camera module including camera circuitry arranged under the display panel, wherein the display area includes a first display area overlapping the first camera module in the first direction and a second display area overlapping the second camera module in the first direction, wherein pixels per inch (PPI) of the first display area is less than the PPI of the second display area.

A display substrate and a display substrate are provided. The display substrate includes a first signal line, and the first signal line includes a first signal line portion in the display region and a second signal line portion in the peripheral region. The second signal line portion of the first signal line includes a first sub-portion, a second sub-portion and a third sub-portion which are sequentially connected; the first sub-portion and the third sub-portion both include a curved structure, and the second sub-portion is in a linear structure; and the display substrate further includes a first compensation electrode in the peripheral region, and the first compensation electrode is overlapped with the second sub-portion of the second signal line portion of the first signal line in a direction perpendicular to the base substrate to form a compensation capacitor.

A display panel is provided. The display panel comprises a display screen, a first backlight module, a second backlight module, and a fingerprint sensor, wherein the second backlight module has a fingerprint identification mode and a display mode. In the fingerprint identification mode, light reaches the fingerprint sensor through the second backlight module for fingerprint identification, and in the display mode, the first backlight module and the second backlight module provide uniform backlight to the display screen, thus realizing compatibility of functions of under-screen fingerprint identification and display.

Provided is a display panel. The display panel includes an array substrate, a color filter substrate, and a backlight module, wherein the array substrate includes a substrate and a photoelectric sensing device, the substrate is provided with a fingerprint recognition region, and an orthographic projection of the photoelectric sensing device on the substrate is within the fingerprint recognition region. The color filter substrate is disposed opposite to the array substrate, the backlight module is disposed on a side, distal from the array substrate, of the film substrate, and light emitted from the backlight module is capable of passing through the fingerprint recognition region.

A display apparatus includes a backlight component, a light adjusting component, a display panel, and a first polarizing film. The backlight component is configured to generate polarized light. The light adjusting component is disposed on one side of the backlight component, and is configured to deflect or not deflect polarized light generated by the backlight component. The first polarizing film is disposed between the light adjusting component and the display panel. In the display apparatus) provided in this application, when the polarized light obtained after passing through the light adjusting component passes through the first polarizing film, if a vibration direction of the polarized light is consistent with a transmission direction of the first polarizing film, the polarized light can be transmitted. If the vibration direction of the polarized light is perpendicular to the transmission direction of the first polarizing film, the polarized light cannot be transmitted.

Disclosed are a display panel and a display apparatus. The display panel includes an opposing substrate, an array substrate and a liquid crystal layer. The array substrate includes: a first base substrate; a color film layer, includes a black matrix and a plurality of color resistors, the black matrix includes a plurality of pixel openings and a plurality of first light transmitting holes, and color resistors is arranged one pixel opening correspondingly; and photosensitive sensors, arranged between the color film layer and the first base substrate, orthographic projections of the plurality of photosensitive sensors on the first base substrate are in an orthographic projection of the black matrix on the first base substrate, and the orthographic projection of each of the plurality of photosensitive sensors on the first base substrate covers an orthographic projection of at least one the plurality of first light transmitting holes on the first base substrate.