A device including: a transfer substrate including electric connection elements; and a plurality of elementary chips bonded and electrically connected to the transfer substrate, each elementary chip including at least one photodetector and an electronic circuit for reading from the at least one photodetector, the device further including, associated with at least one elementary chip, an emission, capture, or actuation element external to the elementary chip, bonded and electrically connected to the transfer substrate, each elementary chip including an electronic circuit for controlling the emission, capture, or actuation element associated with the chip.

Disclosed are a display module and an electronic device. The display module includes a photosensitive region and a non-photosensitive region located on at least one side of the photosensitive region. The display module further includes a light-emitting element located in the photosensitive region and the non-photosensitive region, a light-shielding layer located at the photosensitive region and the non-photosensitive region and at a light-exiting side of the light-emitting element, and a light-guiding layer at least located at the photosensitive region and at a side of the light-emitting element facing away from the light-shielding layer. The light-guiding layer includes light-guiding openings, the light-shielding layer includes first light-shielding openings located in the photosensitive region and second light-shielding openings located in the non-photosensitive region, and the first light-shielding openings at least partially overlap the light-guiding openings along a thickness direction of the display module.

A display device includes a substrate in which an active area and a non-active area surrounded by the active area are defined, where an optical hole is defined in the non-active area through the substrate; first and second sub constant voltage lines extended from the non-active area in opposite directions; a sub constant voltage connection line connecting the first and second sub constant voltage lines in the non-active area; first and second sub data lines extended from the non-active area in the opposite directions; and a sub data connection line connecting the first and second sub data lines in the non-active area. The sub data connection line is disposed in three or more different conductive layers, and the sub constant voltage connection line is disposed in a different conductive layer from the sub data connection line and insulated from the sub data connection line.

A display substrate includes a substrate, a plurality of photosensitive sensors disposed on a side of the substrate, and a first light guide layer disposed on a side of the plurality of photosensitive sensors away from the substrate. A material of the first light guide layer includes a light-shielding material. The first light guide layer is provided with a plurality of first through holes, and an orthographic projection of at least one first through hole on the substrate is located within a range of an orthographic projection of a photosensitive sensor of the plurality of first through holes on the substrate.

A display device includes: a first display panel configured to emit light in a first direction from first display elements to display an image, the first display panel including a main display area and a component area; a second display panel arranged under the first display panel and including a second display area configured to emit light in the first direction from second display elements to display an image; and a component arranged below the first display panel and configured to receive light from outside of the display device.

This disclosure relates to reduced power consumption OLED displays at reduced cost for reduced information content applications, such as wearable displays. Image quality for wearable displays can be different than for high information content smart phone displays and TVs, where the wearable display has an architecture that in includes, for example, an all phosphorescent device and/or material system that may be fabricated at reduced cost. The reduced power consumption can facilitate wireless and solar charging.

A display device includes a first base layer, a circuit layer disposed on the first base layer and including a plurality of switching elements, a pixel layer disposed on the circuit layer and including a light emitting element, wherein the light emitting element is configured to receive a current from at least one of the plurality of switching elements to emit a first light, and a sensor layer disposed below the first base layer and including a sensor, wherein the sensor is configured to receive a second light generated when the first light is reflected by an external object.

A display panel includes a substrate having an opening area, and a display area at least partially surrounding the opening area. Display elements are arranged in the display area. The display elements includes a pixel electrode, an opposite electrode, and an intermediate layer interposed therebetween. A multilayer film includes a first insulating layer between the substrate and the pixel electrode and a second insulating layer, of a different material, on the first insulating layer. A thin film encapsulation layer covers the display elements and includes at least one organic encapsulation layer and at least one inorganic encapsulation layer. The multilayer film includes a first groove disposed between the opening area and the display area. The first groove has an undercut structure in which a lower width of the first groove is greater than an upper width of the first groove.

An electronic substrate, a manufacturing method thereof and a display panel are provided. The electronic substrate includes a base substrate as well as a photosensitive unit and a touch structure which are provided on the base substrate. The photosensitive unit includes a first electrode layer, and the touch structure includes a first touch electrode layer. The first electrode layer and the first touch electrode layer are in a same first conductive layer and made of a same material, and the first electrode layer and the first touch electrode layer insulated from each other.

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.