An electronic device is provided. The electronic device includes: a housing; a light-permeable display screen received in the housing and including a display area and a black matrix area surrounding the display area; an emitter received in the housing, arranged between the light-permeable display screen and the housing, opposed to the black matrix area, and configured to emit an infrared light through the black matrix area; and a receiver received in the housing, arranged between the light-permeable display screen and the housing, opposed to the black matrix area, and configured to receive the infrared light through the black matrix area.

A photodetector (300) includes a first electrode (313) and a second electrode (314) on a base substrate (100); a light-sensitive layer (311) between the first electrode (313) and the second electrode (314); and a light-trapping layer (312) between the light-sensitive layer (311) and the base substrate (100), wherein a surface of the light-trapping layer (312) opposite from the base substrate (100) comprises a plurality of first recessed portions.

The present application provides a display substrate having a plurality of subpixel areas. The display substrate includes a base substrate; a plurality of thin film transistors on the base substrate; and a plurality of semiconductor junctions configured to shield light from irradiating on active layers of the plurality of thin film transistors.

A display panel which may include a plurality of sub-pixel units (1) and a plurality of photosensitive detection units (2) corresponding to the plurality of sub-pixel units (1) respectively. Each of the plurality of the photosensitive detection units (2) may include at least two photosensitive sensors (21).

A display panel and a display device are provided. The display panel includes a main display region, a first bendable region, a second bendable region, and a first hollow region. The first bendable region and the main display region are connected to each other and arranged along a first direction. The first bendable region is capable of being bent away from a light-exiting surface of the display panel through a first bending axis. The second bendable region and the main display region are connected to each other and arranged along a second direction. The second direction intersects the first direction. The second bendable region is capable of being bent away from the light-exiting surface of the display panel through a second bending axis. An intersection point of extension lines of the first bending axis and the second bending axis is located in the first hollow region.

A semiconductor device with a high driving speed is provided. The semiconductor device includes first to fourth cells, a converter circuit, and first to fourth wirings. The first and second cells make a first current and a second current each corresponding to the product of first data and second data flow in the first wiring and the second wiring, respectively. The third and fourth cells make base currents in the same amount flow in the first and second wirings. The converter circuit outputs, from an output terminal thereof, a voltage corresponding to the differential current between the sum of the first current and the base current flowing in the first wiring and the sum of the second current and the base current flowing in the second wiring.

The disclosure provides a display panel, a compensation of brightness method and a displaying device. The display panel comprises an array substrate, a luminescent layer, a plurality of optical film layers and a photoelectric sensor, wherein the luminescent layer is located on one side of the array substrate, the array substrate is used for driving the luminescent layer to emit light, the optical film layers are located on a side, away from the array substrate, of the luminescent layer, light emitted by the luminescent layer forms optical waveguide on the array substrate and/or the optical film layers, and the photoelectric sensor is used for acquiring the optical waveguide to perform compensation of brightness on the light emitted by the luminescent layer according to data of the optical waveguide.

A display device according to an embodiment of the present disclosure includes a display panel including a display region and a non-display region, and a sensor unit which is disposed on the display panel and includes a sensing region and a non-sensing region. The sensor unit includes a touch sensor unit which detects a touch input in the sensing region and a photo sensor unit which detects ambient illuminance.

A display device includes: a display panel including display elements each including a light emitting unit and a drive circuit for driving the light emitting unit, the display elements being arranged in a two-dimensional matrix on a substrate; and a luminance correction unit for correcting luminances of the display elements in display of an image by the display panel by correcting a gradation value of a video signal, in which a partition (60) for guiding stray light from a light emitting unit to an optical sensor (4) provided on the display panel is provided between adjacent light emitting units of the display panel, and the luminance correction unit corrects a gradation value of a video signal associated with each of the display elements on the basis of a gradation value of an uncorrected video signal and a detection result from the optical sensor.

The present disclosure relates to a display device. An exemplary embodiment of the present invention provides a display device including a substrate and an active pattern positioned above the substrate. To the active pattern includes a channel region and a conductive region having a higher carrier concentration than the channel region. A first insulating layer is disposed on the active pattern. A first conductive layer is disposed on the first insulating layer and includes a first conductor. The channel region of the active pattern includes a first channel region overlapping the first conductor along a direction orthogonal to an upper surface of the substrate. The conductive region of the active pattern includes a first conductive region overlapping the first conductor along the direction orthogonal to the upper surface of the substrate.