Abstract:
A display panel, a method for driving the same and a display device are provided. Each pixel element includes an infrared detector, a light-emitting element and a first control unit, the infrared detector includes a first electrode, an infrared-sensitive layer and a second electrode, and the light-emitting element includes a pixel circuit, a third electrode, a light-emitting function layer and a fourth electrode. The second electrode is electrically connected with the third electrode, the first electrode is connected with the fourth electrode through the first control unit, and the first control unit is configured to connect the first electrode with the fourth electrode in an infrared detection mode, and to disconnect the first electrode from the fourth electrode in a display mode.
Abstract:
A photodetector and a manufacture method thereof, a touch substrate and a display panel are provided. The photodetector includes: a substrate; a polysilicon layer on the substrate including a first doped region and a second doped region; a transparent conductive film covering the first doped region of the polysilicon layer; and a metal electrode on the second doped region of the polysilicon layer. The conductive film, the metal electrode and the polysilicon layer constitute a photosensitive device.
Abstract:
A display apparatus and a display control method are provided. The display apparatus includes an organic light-emitting display device having electrostatic attraction and including a transparent cathode layer and a transparent anode layer, so that the organic light-emitting display device can achieve bidirectional light emission; frustrated total reflection devices positioned on both sides of the organic light-emitting display device respectively and each including an active film layer and a frustrated switch, wherein the frustrated switch is turned on or off according to a received control signal to control whether the active film layer has electrostatic attraction; and a sealant bonded between the organic light-emitting display device and the frustrated total reflection devices to form a gap therebetween. When the active film layer has electrostatic attraction, the light emitted by the organic light-emitting display device is emitted from the active film layer.
Abstract:
A detection substrate, a display panel and a display apparatus are provided in the disclosure. The detection substrate includes a first substrate and at least one device pair for fingerprint identification-brightness detection on the first substrate. Each of the at least one device pair for fingerprint identification-brightness detection includes a fingerprint identification device, an insulating layer and a brightness detection device which are sequentially stacked on the first base.
Abstract:
The present disclosure provides a method for manufacturing a poly-silicon layer. The method for manufacturing the poly-silicon layer comprises steps of: depositing a porous metal film on a microcrystalline silicon layer of a base substrate; immersing the base substrate deposited with the porous metal film into an etching liquid comprising hydrogen fluoride and oxidants for etching the microcrystalline silicon layer; after the microcrystalline silicon layer has been etched successfully, removing the metal film with an acid solution and washing the microcrystalline silicon layer with a deionized water subsequently so as to obtain a processed microcrystalline silicon layer; and depositing an amorphous silicon layer on the processed microcrystalline silicon layer and subjecting the amorphous silicon layer to laser annealing treatment so as to obtain the poly-silicon layer. The present disclosure further provides a thin film transistor, an array substrate and a display device comprising the poly-silicon layer manufactured according to the above-described method.
Abstract:
A display panel and an operation method thereof are disclosed. In the display panel, a first pixel region including a first light-emitting device and a first photosensitive element; a second pixel region including a second light-emitting device and a second photosensitive element. The second light-emitting device is configured to emit a second light ray to the non-display side, and the second photosensitive element is configured to allow the second light ray to be incident therein and detect the second light ray. The first light-emitting device and the second light-emitting device are configured to emit a first light ray to the display side, and the first photosensitive element is configured to allow the first light ray reflected by an external object to be incident therein and detect the reflected first light ray. The second light ray is of a type different from that of the first light ray.
Abstract:
A display apparatus includes a display panel including a first sub-pixel and a second sub-pixel adjacent to the first sub-pixel; a first fingerprint identification device including a first photosensitive element, an orthographic projection of the first photosensitive element on the display panel being located within the first sub-pixel; and a fingerprint identification anti-interference structure on a light exiting side of the display panel. The fingerprint identification anti-interference structure is configured to shield the first photosensitive element from light emitted from the second sub-pixel and reflected by a fingerprint.
Abstract:
The present disclosure provides a photoelectric conversion array substrate, its manufacturing method and a photoelectric conversion device. The photoelectric conversion array substrate includes a TFT arranged on a base substrate and a photodiode connected to the TFT. A photosensitive surface of the photodiode is a convex surface.
Abstract:
A thin film transistor, its manufacturing method, and a display device are provided. The method comprises: forming a gate metal layer (35), forming a step-like gate structure (352) by one patterning process; performing a first ion implantation procedure to forming a first heavily doped area (39a) and a second heavily doped area (39b), the first heavily doped area (39a) being separated apart from the second heavily doped area (39b) by a first length; forming a gate electrode (353) from the step-like gate structure (352); performing a second ion implantation procedure to form a first lightly doped area (38a) and a second lightly doped area (38b), the first lightly doped area (38a) being separated apart from the second lightly doped area (38b) by a second length less than the first length. By the above method, the process for manufacturing the LTPS TFT having the lightly doped source/drain structure can be simplified.
Abstract:
The disclosure relates to an array substrate, a display panel, a display device, and a method for manufacturing the array substrate. The array substrate includes a first substrate, a light emitting device on the first substrate, the light emitting device including a first electrode, a light emitting layer, and a second electrode sequentially disposed in a direction away from the first substrate, wherein the first electrode is transparent, and wherein the second electrode is reflective, an opaque portion between the first substrate and the light emitting device, wherein a projection of the light emitting device on the first substrate partially overlap with a projection of the opaque portion on the first substrate, and a reflective member between the opaque portion and the light emitting layer.