An array substrate is provided. The array substrate includes a display area having a first array of subpixels; and a partially transparent area having a second array of subpixels. The partially transparent area includes a plurality of light emitting regions spaced apart from each other by a substantially transparent non-light emitting region. The second array of subpixels is limited in the plurality of light emitting regions. The array substrate further includes a plurality of photosensors and a plurality of first thin film transistors in the substantially transparent non-light emitting region. A respective one of the plurality of photosensors includes a first polarity semiconductor layer, a second polarity semiconductor layer, and an intrinsic semiconductor layer connecting the first polarity semiconductor layer and the second polarity semiconductor layer.

A display apparatus is described that includes a substrate having a display area and a sensor area, wherein the sensor area includes a transmission area; a plurality of first opposite electrodes arranged to correspond to the display area; and a plurality of second opposite electrodes arranged to correspond to the sensor area and surround the transmission area, wherein a shape of each of the plurality of first opposite electrodes is different from a shape of each of the plurality of second opposite electrodes.

A stretchable device includes a substrate, the substrate including first regions having a first stiffness and a second region between adjacent first regions and having a second stiffness that is lower than the first stiffness, a unit device array including unit devices on separate, respective first regions of the substrate, and an encapsulant covering the unit device array. The unit device array includes pixel electrodes isolated on separate, respective first regions of the substrate, common electrodes isolated on separate, respective first regions and each facing a separate pixel electrode, the stretchable device configured to apply a same voltage to the plurality of common electrodes, and active layers on separate, respective first regions and each between a separate pixel electrode and a separate common electrode.

Methods, a display system and projection screen are described. The projection screen includes a substrate supporting a plurality of pixels. Each pixel has a sensitizing part communicating with at least one light source, the sensitizing part being configured to detect a presence of a non-visible medium indicative of a part of an image, and to activate the at least one light source to emit light. The pixels having a first electrode and a second electrode configured to supply electricity to the sensitizing part and the light source.

The display panel includes a display region, where at least a portion of the display region is a transparent display region including a plurality of sub-regions, where the plurality of sub-regions are arranged in an array and have the same shape and the same area. A sub-region of the plurality of sub-regions includes a first side and a second side which are adjacent to each other. The sub-region includes a non-light-transmissive region and a light-transmissive region. A distance between a center of the light-transmissive region and a first side of a sub-region where the light-transmissive region is located is d.sub.1, a distance between the center of the light-transmissive region and a second side of the sub-region where the light-transmissive region is located is d.sub.2, and at least two of the plurality of sub-regions have at least one of different d.sub.1 or different d.sub.2.

A display apparatus includes a substrate including a transmission area, a display area, and a first non-display area between the transmission area and the display area, a display layer including display elements and bypass lines, an encapsulation member that covers the display elements and the bypass lines, a metal layer on the encapsulation member, and including a first hole corresponding to the transmission area, and an optical functional section including a second hole corresponding to the transmission area, wherein a first perpendicular distance from a center line, which passes through a center of the transmission area and is perpendicular to an upper surface of the substrate, to an edge of the first hole may be less than a second perpendicular distance from the center line to an edge of the second hole.

A display device includes: a first substrate including a first through hole, a display area, and a non-display area, the display area surrounding the first through hole, and the non-display area surrounding at least a portion of the display area; an inorganic insulating layer arranged in the display area; a display element layer including a display element and arranged on the inorganic insulating layer; a second substrate including a second through hole and arranged on the display element layer, the second through hole being connected to the first through hole; and a blocking member arranged along an inner surface of the first through hole and the second through hole, and extending from the first substrate to the second substrate, wherein the inorganic insulating layer extends from the display area to the inner surface of the first through hole.

A display device is provided. The display device has a display region and includes: a substrate; a driving layer disposed on the substrate; a self-emitting layer disposed on the driving layer and including a reflective electrode; a sensor overlapping the display region in a normal direction of the substrate; a pixel defining layer disposed on the reflective electrode, wherein the pixel defining layer includes a top surface and a bottom surface opposite to the top surface, and the bottom surface faces the driving layer; a spacer disposed on the top surface of the pixel defining layer; and a first touch electrode and a second touch electrode disposed in the display region, wherein the sensor overlaps the first touch electrode or the second touch electrode in the normal direction of the substrate.

Provided are a display substrate, and a display device. The display substrate includes a base substrate and a plurality of pixel units on the base substrate. Each of the pixel units includes a plurality of sub-pixels, the pixel units include a target pixel unit, the target pixel unit includes target sub-pixels, the target sub-pixel includes a pixel driving circuit and a light-emitting unit capable of emitting light under the drive of the pixel driving circuit, the target sub-pixel further includes a photoresistor, the photoresistor is electrically connected to the pixel driving circuit, and the resistance value of the photoresistor increases as light intensity decreases. According to the present disclosure, the pixel driving circuit includes a photoresistor, and the resistance value of the photoresistor decreases as light intensity increases. As the luminous efficiencies of sub-pixels of different colors under different light intensities are different, the photoresistor is provided to provide different resistance values under different light intensities so to adjust the resistance, and balance the luminous efficiencies of sub-pixels of different colors under different light intensities, thus improving the display effect.

Provided are a display substrate, and a display device. The display substrate includes a base substrate and a plurality of pixel units on the base substrate. Each of the pixel units includes a plurality of sub-pixels, the pixel units include a target pixel unit, the target pixel unit includes target sub-pixels, the target sub-pixel includes a pixel driving circuit and a light-emitting unit capable of emitting light under the drive of the pixel driving circuit, the target sub-pixel further includes a photoresistor, the photoresistor is electrically connected to the pixel driving circuit, and the resistance value of the photoresistor increases as light intensity decreases. According to the present disclosure, the pixel driving circuit includes a photoresistor, and the resistance value of the photoresistor decreases as light intensity increases. As the luminous efficiencies of sub-pixels of different colors under different light intensities are different, the photoresistor is provided to provide different resistance values under different light intensities so to adjust the resistance, and balance the luminous efficiencies of sub-pixels of different colors under different light intensities, thus improving the display effect.