Abstract: A fingerprint identification display device, includes: a display panel having a plurality of display units defined therein, and at least some of the plurality of display units are located in a fingerprint identification region, each of which comprises display subpixels and an identification subpixel; a light guide plate; one or more light emitting components configured to make detection light emitted therefrom travel in the light guide plate in a total reflection manner; a first polarizer comprising a first region and a second region with perpendicular polarization directions, and a second polarizer comprising a third region and a fourth region with perpendicular polarization directions, wherein the first region and the third region correspond to the display subpixels and have perpendicular polarization directions, and the second region and the fourth region correspond to the identification subpixel; and a photosensitive sensing unit disposed at the second polarizer, and corresponding to the identification su

Abstract: The present disclosure relates to a circuit for fingerprint identification and a driving method thereof, a display panel, and a display device. The circuit for fingerprint identification of the present disclosure includes a voltage adjustment circuit, a photodiode, and a signal output circuit; wherein the voltage adjustment circuit is electrically connected with an anode of the photodiode, and the signal output circuit is electrically connected with a cathode of the photodiode; the voltage adjustment circuit is configured to adjust an anode voltage input to the photodiode to enable the photodiode to work in a linear region; and the signal output circuit is configured to amplify and output a signal output by the photodiode.

Abstract: A fingerprint identification display device, includes: a display panel having a plurality of display units defined therein, and at least some of the plurality of display units are located in a fingerprint identification region, each of which comprises display subpixels and an identification subpixel; a light guide plate; one or more light emitting components configured to make detection light emitted therefrom travel in the light guide plate in a total reflection manner; a first polarizer comprising a first region and a second region with perpendicular polarization directions, and a second polarizer comprising a third region and a fourth region with perpendicular polarization directions, wherein the first region and the third region correspond to the display subpixels and have perpendicular polarization directions, and the second region and the fourth region correspond to the identification subpixel; and a photosensitive sensing unit disposed at the second polarizer, and corresponding to the identification su

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: Disclosed are an apparatus for recognizing a fingerprint, a display device, and the apparatus includes: a display panel, light sources, a supporting element, an optically-coupling element, a photo-detecting element on optical paths of the light sources, a processing element; the light sources, the supporting element are on side of a second surface of the display panel; the supporting element supports light sources so that light rays exiting light sources are incident obliquely onto the display panel; the optically-coupling element, the photo-detecting element are on the second surface; the photo-detecting element is on side of the optically-coupling element away from light sources; the optically-coupling element makes light rays emitted from light sources totally reflect in the display panel; the photo-detecting element detects exiting light after light rays exiting the light sources are reflected by the display panel, transmits detected signals to the processing element; the processing element determines a f

Abstract: A fingerprint recognition module and a driving method thereof, and a display device. The fingerprint recognition module includes a substrate, an electrode layer located on one side of the substrate, a piezoelectric film layer located on one side, away from the substrate, of the electrode layer, and a reference electrode layer located on one side, away from the electrode layer, of the piezoelectric film layer, wherein the electrode layer includes a plurality of receiving electrodes arranged in an array and a plurality of transmitting electrodes, and the receiving electrodes and the transmitting electrodes are insulated from each other and are spaced with each other.

Abstract: The present disclosure provides an optical touch device and a manufacturing method thereof, a display and an electronic device, wherein the optical touch device comprises: a pixel array (11) that comprises a plurality of pixel sub-circuits (101) each of which comprises M first pixels (1011) and N second pixels (1012), wherein detection rays with a preset frequency are emitted by the second pixels (1012), where M and N are positive integers; a light receiving array (12) that comprises a plurality of light receivers (121) corresponding, at a one-to-one basis, to the plurality of pixel sub-circuits (101), wherein each of the light receivers (121) generates an sensing signal by receiving reflected rays of the detection rays emitted by a corresponding second pixel (1012); and a detection circuit (13) connected with the plurality of light receivers (121), wherein the detection circuit (13) performs touch positioning.

Abstract: A display panel and a method of fabricating the same, and a display device are provided, the display panel includes a display substrate a package substrate opposite to each other, the display substrate includes a first base substrate; and a first electrode, an electroluminescent layer and a second electrode disposed on the first base substrate in sequence; the package substrate includes a second base substrate; and a conductive layer on the second base substrate, the conductive layer and the second electrode facing towards each other; the display panel further includes a conductive adhesive between the second electrode and the conductive layer, the conductive adhesive is configured to bond the display substrate with the package substrate, and electrically connect the second electrode with the conductive layer.

Abstract: Disclosed herein is an apparatus comprising: a first switch and a second switch; wherein the first switch is configured to apply a drive signal to a first electrode when the first switch receives a control signal; wherein the second switch is configured to electrically isolate the first electrode from a second electrode when the second switch receives the control signal; wherein the second switch is configured to short-circuit the first electrode to the second electrode when the second switch does not receive the control signal; wherein the first electrode and the second electrode face each other and are separated by a gap configured to accommodate a liquid droplet.

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: The present disclosure provides a micro-fluidic substrate, a micro-fluidic structure and a driving method thereof. The micro-fluidic substrate of the preset disclosure includes a substrate, and a plurality of driving electrodes on the substrate and configured to drive a droplet to move, the plurality of driving electrodes being in a same layer with a gap space between adjacent driving electrodes. The micro-fluidic substrate further includes: at least one auxiliary electrode on the substrate and configured to drive the droplet to move, an orthographic projection of the auxiliary electrode on the substrate at least partially overlapping with an orthographic projection of the gap space on the substrate, and the auxiliary electrode and the driving electrodes being in different layers.

Abstract: The present disclosure provides an interaction system of three-dimensional space and a method for operating the same, comprising: determining visual field space according to an eye position of an operator and an angle at which the eye is watching, and determining absolute interaction space and relative interaction space according to respective joint positions of the operator and the visual field space, thereby achieving dividing of areas of the space; determining an operation that matches a current action and needs to be performed by the operator on a selected virtual object according to a relationship among the current action of the operator, the virtual object viewed by the operator and the absolute interaction space, such that when the operator makes the corresponding action, the operation matching the action of the operator is performed on the virtual object; outputting the generated corresponding three-dimensional image display signal to a three-dimensional image display device to complete somatosensory

Abstract: The present disclosure provides an optical measurement module which includes a detection sub-circuit, a comparison sub-circuit and a blocking layer, the blocking layer includes at least one blocking element, the detection sub-circuit comprises a first photosensitive element, and the detection sub-circuit is configured to output a detection signal according to light irradiation received by the first photosensitive element and an input signal of the detection sub-circuit; the comparison sub-circuit includes a second photosensitive element, the at least one blocking element in the blocking layer covers at least the second photosensitive element, the comparison sub-circuit is configured to output a comparison signal according to an input signal of the comparison sub-circuit; wherein the first photosensitive element and the second photosensitive element have a same structure, so that they have a same response to light irradiation and a same response to environment.

Abstract: The present disclosure discloses a pixel driving circuit, a driving method for the pixel driving circuit, a display panel and a display apparatus. The pixel driving circuit for driving a light emitting device includes: a threshold compensation subcircuit, a driving subcircuit and an optical signal detection subcircuit; the threshold compensation subcircuit is coupled to a control electrode of a driving transistor, and a first electrode of the driving transistor is coupled to the light emitting device; the optical signal detection subcircuit is coupled to the threshold compensation subcircuit; and the optical signal detection subcircuit is configured to detect an optical signal which is incident on a region where the optical signal detection subcircuit is located.

Abstract: An ultrasonic recognition module, a driving method thereof, and a display device. Multiple receiving electrodes are divided into multiple receiving groups. Pulse signal input ends of driving circuits corresponding to the receiving electrodes in the same receiving group are electrically connected to a same pulse signal input line, and pulse signal input ends of driving circuits corresponding to the receiving electrodes in the different receiving groups are electrically connected to different pulse signal input lines.

Abstract: The disclosure discloses a display panel, a method for driving the same, and a display device, where the display panel includes a plurality of detection circuits arranged in an array, each detection circuit includes a control component, and a plurality of photosensitive recognition components arranged in an array; the control component is configured to obtain electric signals provided by the plurality of photosensitive recognition components, to process and then output, in a process of recognizing a fingerprint, the electric signals provided by the plurality of photosensitive recognition components separately, and to superimpose, in a process of detecting a touch, the electric signals provided by the plurality of photosensitive recognition components, and to process and output an electric signal resulting from the superimposition.

Abstract: Embodiments of the disclosure relate to a fingerprint identification device, a touch display panel, and a method for driving a fingerprint identification device. The fingerprint identification device for identification of a fingerprint of a finger, includes: at least one resonant chamber; and at least one ultrasonic generating and detecting device provided opposite to the at least one resonant chamber; each of the at least one ultrasonic generating and detecting device is configured to generate initial ultrasonic signals having a frequency which is identical to an initial intrinsic frequency of the resonant chamber in a condition of being untouched by the finger, and each of the at least one ultrasonic generating and detecting device is also configured to convert the ultrasonic signals reflected by ridges and valleys of the finger into electrical signals, and to determine information on pattern of the finger depending on the electrical signals.

Abstract: A touch panel, a display device and a driving method thereof are provided. The touch panel includes: an array substrate, an opposing substrate and touch pressure-sensitive electrodes. The opposing substrate is arranged opposite to the array substrate; and the touch pressure-sensitive electrodes are disposed on a bottom layer on a side of the array substrate facing the opposing substrate and configured to form a capacitor structure together with a metal layer disposed on a side of the array substrate away from the opposing substrate, so as to sense pressure touch.

Abstract: A method of detecting a texture includes: in each of a plurality of time periods included in a texture detection phase, forming a light-shielding region in a light transmitting hole forming layer, wherein the light-shielding region only includes a part of a plurality of light transmitting holes, and imaging regions of a texture to be detected on a photosensitive sensing layer through the light transmitting hole forming layer do not overlap; in different time periods of the plurality of time periods, positions of parts of the plurality of light transmitting holes included in the light-shielding regions are different; and splicing images of the texture to be detected formed on the photosensitive sensing layer in the plurality of time periods together.

Abstract: An array substrate includes: a plurality of pixel units arranged in an array, selection lines, a reset circuit and readout circuits. Second terminals of transistors in pixel units belonging to a same column are connected to at least two of the read lines, so that a part of the pixel units are connected to a same read line, and another part of the pixel units are connected to the other one of the at least two of the read lines. For each column of the pixel units, each of the read lines is connected to one of the readout circuits corresponding to the column of the pixel units through a switching element; and for each column of the pixel units, each of the read lines is connected to the reset circuit through a switching element.