Abstract: A photoelectric conversion substrate, a method for manufacturing the photoelectric conversion substrate, a display panel and a display device are provided. The photoelectric conversion substrate includes a TFT and a photosensitive element on a base substrate, wherein the photosensitive element includes a light-transmissible electrode, a signal output electrode, and a photosensitive layer between the light-transmissible electrode and the signal output electrode. The light-transmissible electrode allows predetermined light rays to pass therethrough and to be incident onto the photosensitive layer, and the signal output electrode is connected to the TFT, and the photosensitive layer is an uneven layer.

Abstract: A pixel unit circuit, a driving method of the pixel unit circuit, and a pixel circuit are provided. The pixel unit circuit includes at least one sub-pixel sub-unit circuit connected to display signal lines and display signal terminals; and pixel compensation sub-unit circuit connected to two compensation signal lines and at least one compensation signal terminal, wherein one of the display signal lines and one of the compensation signal lines are a same signal line, and/or one of the display signal terminals and one of the at least one compensation signal terminal are a same signal terminal, and/or the pixel unit circuit further includes a multiplexer sub-circuit, one of the display signal lines is connected to a first terminal of the multiplexer sub-circuit, one of the compensation signal lines is connected to a second terminal of the multiplexer sub-circuit.

Abstract: Embodiments of the present disclosure disclose a display panel, a display apparatus, and a method for manufacturing a display panel. The display panel includes: a display unit comprising an array substrate, a modulation structure and a black matrix having at least one hole, wherein the modulation structure is located between the black matrix and the array substrate; light emitting unit located between the modulation structure and the array substrate, and configured to emit light onto the modulation structure to generate structured light emitted from the modulation structure, so that the structured light passes through the at least one hole; and a light receiving unit, configured to receive reflected structured light obtained by the structured light being reflected by a measured object.

Abstract: A display substrate, a fingerprint identification panel, a fingerprint identification method and a display device are provided. The display substrate includes a first metal pattern and a second metal pattern arranged on a base substrate and in different layers. An orthographic projection of the first metal pattern on the base substrate at least partially overlaps with an orthographic projection of the second metal pattern on the base substrate, and one of the first metal pattern and the second metal pattern is a supply voltage signal line.

Abstract: The present disclosure relates to a display substrate. The display substrate includes an active region and a non-active region, and a depth camera is disposed in the non-active region. The depth camera includes at least one receiving unit and a plurality of diffractive units. At least a part of the diffractive units includes an infrared light emitting device disposed on the substrate that emits infrared light. The part of the diffractive units includes a diffractive optical element disposed on the infrared light emitting device and used to transmit the infrared light emitted from the infrared light emitting device to an object. The receiving unit includes an infrared photosensitive device disposed on the substrate and used to receive the infrared light reflected by the object.

Abstract: A fingerprint identification module, a manufacturing method and driving method thereof, and a display device. The fingerprint identification module includes: a driving backplate, including a substrate, identification circuits on the substrate, the identification circuits having a first electrode pad, a second electrode pad; acoustic units including: a first electrode; a piezoelectric film layer positioned on the side, close to the driving backplate, of the first electrode; a second electrode positioned on the side, close to the driving backplate, of the piezoelectric film layer; a first lead-out terminal electrically connected with the first electrode; a second lead-out terminal electrically connected with the second electrode; cavities being in one-to-one correspondence to the acoustic units, the cavities positioned between the second electrodes and the substrate, and one side face, away from the substrate, of cavity being defined by at least one side face, close to the substrate, of the second electrode.

Abstract: A collimating structure, a method for fabricating the same and a display device are provided. The collimating structure includes a plurality of light-shielding layers with light-transmitting parts, and the distances between the respective light-shielding layers are adjusted using light-transmitting layers to thereby achieve a desirable depth-to-width ratio of a column of holes so as to define a light convergence angle of the collimating structure. At least one intermediate light-shielding layer is arranged between the top light-shielding layer and the bottom light-shielding layer, and the distances between the respective light-shielding layers are adjusted using the light-transmitting layers, so that crosstalk between light of the light-transmitting parts can be shielded to thereby improve the accuracy of recognized information about texture.

Abstract: Provided is a fingerprint recognition circuit, including a resetting sub-circuit, a fingerprint sensing sub-circuit, a signal acquiring sub-circuit, and a driving sub-circuit, the resetting sub-circuit is connected to the reading node, the resetting port, a first port for resetting the reading node; the fingerprint sensing sub-circuit is connected to the reading node for acquiring fingerprint information, converting it into a detection signal to output to the reading node; the signal acquiring sub-circuit is connected to the reading node, the driving sub-circuit and a power port to output a signal of the reading node to the driving sub-circuit; the driving sub-circuit is connected to a reading port, the signal acquiring sub-circuit, an output port and a second port, the signal output by the signal acquiring sub-circuit through the reading port in a fingerprint recognition stage, outputs the signal of the reading port to the output port in a display stage.

Abstract: The present disclosure provides a sensor pixel, an ultrasonic sensor, an OLED display panel and an OLED display device, in which the sensor pixel includes a base substrate, a piezoelectric transducer and a sensor pixel circuit arranged on the base substrate; the energy sensor is connected to a first signal input terminal and the first node; the sensor pixel circuit includes a signal node control subcircuit for controlling the first node according to a signal of the reset signal terminal and a signal of the second signal input terminal, a drive subcircuit for providing a detection signal to the second node under the control of a signal of the first node, and a read subcircuit for providing a signal of the second node to the signal read line under the control of the read signal terminal.

Abstract: A display panel has a light-exit side and a non-light-exit side opposite to the light-exit side. A direction pointing to the non-light-exit side from the light-exit side is a first direction. In the first direction, the display panel includes a coded aperture mask layer and an optical sensing layer. The coded aperture mask layer includes a plurality of first light-transmission portions and a plurality of first light-shielding portions. The coded aperture mask layer is configured to form at least one part of a coded aperture array. The optical sensing layer includes a plurality of optical sensors. The optical sensing layer is configured to receive texture recognition light passed through the coded aperture array and convert optical signals of the texture recognition light into electrical signals. The texture recognition light is light carrying information about a texture to be recognized.

Abstract: A pixel control circuit and control method, a pixel unit, a display substrate and device are provided. The pixel control circuit includes: a pressure detecting sub-circuit and a switching sub-circuit; the pressure detecting sub-circuit is connected to a control node, and configured to control a potential of the control node to be a first potential when a pressure signal is detected; and the switching sub-circuit is connected to a first power source terminal, a light-emitting sub-circuit in the pixel unit and the control node respectively, and configured to provide a first power source signal from the first power source terminal for the light-emitting sub-circuit when the potential of the control node is the first potential. The pixel control circuit effectively raises the speed of fingerprint detection.

Abstract: The present disclosure relates to the field of display technologies, and provides a touch substrate and a display panel. Specifically, the touch substrate comprises: a pixel array and a light sensing device array arranged oppositely; a light shielding layer between the pixel array and the light sensing device array; and a lens array on a side of the light shielding layer remote from the light sensing device array. The pixel array comprises a plurality of pixel units, each pixel unit comprising a plurality of sub-pixels. The lens array comprises a plurality of lens units. The light sensing device array comprises a plurality of light sensing devices. The light shielding layer is provided with a plurality of via holes.

Abstract: The present disclosure discloses a fingerprint recognition device, a display substrate and a display apparatus. The fingerprint recognition device includes: at least one fingerprint detection component; at least one fingerprint recognition signal line, the fingerprint detection component outputs a detection current to the fingerprint recognition signal line; at least one noise reduction circuit serially coupled in the fingerprint recognition signal line, the noise reduction circuit being a resistive component; and a fingerprint determination circuit coupled to the fingerprint recognition signal line, configured to determine a morphology of a fingerprint according to a current signal, subjected to a noise reduction by the noise reduction circuit and transmitted by the fingerprint recognition signal line.

Abstract: Aspects of the present disclosure provide a pixel circuit, a method for driving the same, and a display apparatus. The pixel circuit comprises a display driving circuit. The display driving circuit comprises a reset sub-circuit, a writing sub-circuit, a driving sub-circuit, a light-emitting control sub-circuit, and a light-emitting device. The reset sub-circuit is configured to reset the driving sub-circuit. The writing sub-circuit is configured to write a data voltage into the driving sub-circuit. The light-emitting control sub-circuit is connected to the driving sub-circuit and an anode of the light-emitting device and is configured to provide driving current, through the driving sub-circuit, for causing the light-emitting device to emit light. The pixel circuit further comprises a detection circuit configured to collect incident light and output a collection result to the read signal line. One or more transistors are shared between the detection circuit and the display driving circuit.

Abstract: A display array substrate, a manufacturing method and a display are disclosed herein. The display array substrate includes an array substrate base, an electroluminescent diode array substrate arranged above the array substrate base, including an anode layer, a cathode layer, an electroluminescent EL layer between the anode layer and the cathode layer, and a pixel compensation circuit layer on a side close to the array substrate base. The cathode layer is on a side away from the array substrate base. A photosensitive signal collector may be configured to receive an optical signal reflected by valleys and ridges of a finger and emitted by the electroluminescent EL layer, and convert the collected optical signal into an electrical signal to be output. The photosensitive signal collector may be arranged between the pixel compensation circuit layer and the anode layer of the electroluminescent diode array substrate.

Abstract: At least one embodiment of this disclosure provides a display apparatus for solving the problem of a low identification precision due to a relatively large distance between the finger and the fingerprint identification device. The display apparatus comprises a display panel and at least one fingerprint identification device. Each fingerprint identification device comprises a plurality of identification units arranged in an array, each identification unit being provided with a photosensitive element. The photosensitive element is used for performing photoelectric conversion of incident light. The fingerprint identification device further comprises a collimating filter layer arranged on a light entrance surface of the photosensitive element.

Abstract: Embodiments of the present disclosure provide a touch display panel, a method of driving the touch display panel, and a display apparatus with the touch display panel. The touch display panel includes: a common electrode layer disposed in an array substrate or a color filter substrate, configured for displaying an image, and including: a plurality of first strip-shaped electrodes each serving as a first touch feedback electrode and one of a touch drive electrode and a touch sense electrode; and a plurality of second strip-shaped electrodes crossing the first strip-shaped electrodes, and each serving as a second touch feedback electrode; and a plurality of third strip-shaped electrodes disposed in the color filter substrate and each serving as the other of the touch drive electrode and the touch sense electrode. a An extending direction of the third strip-shaped electrodes crosses an extending direction of the first strip-shaped electrodes.

Abstract: A fingerprint identification apparatus and an electronic device having the fingerprint identification apparatus. The fingerprint identification apparatus includes: a first substrate; a second substrate disposed opposite to the first substrate; and a fingerprint identification sensor disposed between the first substrate and the second substrate, where the fingerprint identification sensor comprises a plurality of photoelectric induction units, and each of the photoelectric induction units comprises a curved photoelectric induction part.

Abstract: A pixel circuit and a drive method thereof and a display panel are provided. The pixel circuit includes a light-emitting element, a light-emitting control circuit and a photoelectric sense circuit. The light-emitting control circuit is configured to drive the light-emitting element to emit light and includes a first end, a second end and a third end; the first end is connected with a first power supply terminal, and the second end is connected with one end of the light-emitting element. Other end of the light-emitting element is connected with a second power supply terminal. The photoelectric sense circuit is configured to sense light incident thereon and includes a sense signal output end and a sense voltage input end, the sense voltage input end is connected with the second power supply terminal, and the sense signal output end is connected with the third end of the light-emitting control circuit.

Abstract: A display device, a self-luminous display panel and a gesture recognition method are provided. The display device includes a self-luminous display panel, an infrared light source, at least one camera device, and an image processing device. The image processing device is coupled to the at least one camera device and configured to perform gesture recognition based on a plurality of successive infrared images and a plurality of successive visible light images of an operation body taken within a same period of time.