Abstract: A fingerprint identification module and a driving method therefor, and a display apparatus. The fingerprint identification module includes a base substrate and a plurality of fingerprint identification regions located on the base substrate, each fingerprint identification region includes a plurality of receiving electrodes, a piezoelectric material layer and a plurality of driving electrodes; and the plurality of receiving electrodes, the piezoelectric material layer and the plurality of driving electrodes form a plurality of ultrasonic sensors.

Abstract: A display module, a display device and a method of forming a display module are provided. The display module includes: a display sounding structure including a display panel and an auxiliary layer connected to the display panel; an excitation source configured to drive the display panel, the display module further includes a supporting frame, and the display panel is connected to the supporting frame through the auxiliary layer; or an excitation source configured to drive the auxiliary layer to vibrate and sound, the auxiliary layer is a transparent film layer arranged at a light-emitting side of the display panel cooperating with the display panel to form a sounding chamber in an enclosing manner.

Abstract: Embodiments of the present disclosure provide a flexible acoustic-electric substrate and a preparation method thereof, and a flexible acoustic-electric device. The preparation method of a flexible acoustic-electric substrate includes: forming a flexible substrate; forming a plurality of piezoelectric components on the flexible substrate; and forming a plurality of chambers on the flexible substrate in a one-to-one correspondence relationship with the plurality of piezoelectric components, and the plurality of chambers are located on a side of the flexible substrate away from the plurality of piezoelectric components.

Abstract: A fingerprint identification substrate, a fingerprint identification method and a display device are provided. The fingerprint identification substrate includes a base substrate, a transmitting part and a receiving part provided on the base substrate, and a fingerprint detector. At least a portion of the transmitting part and at least a portion of the receiving part may be provided in a single layer. The transmitting part is configured to generate an ultrasonic signal. The receiving part is configured to receive the ultrasonic signal reflected by a finger, convert the ultrasonic signal into an electric signal, and output the electric signal to the fingerprint detector. The fingerprint detector is configured to determine fingerprint information according to the electric signal output from the receiving part.

Abstract: A texture recognition device and an operation method of a texture recognition device are provided. The texture recognition device includes a light source array and an image sensor array. The light source array includes a plurality of light sources; the image sensor array is at a side of the light source array and includes a plurality of image sensors, and the plurality of image sensors are configured to receive light emitted from the plurality of light sources and reflected to the image sensors by a texture for a texture image collection; each of the image sensors includes a plurality of signal switches, and a signal of each of the image sensors is read through the plurality of signal switches for forming one image pixel of the texture image.

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: The present disclosure discloses a method for executing an operation action on a display screen and a device for executing an operation action. Firstly, a gazing position of an operator's eyes on the display screen and a corresponding operation position of the operator's operating portion on the display screen are determined, then a corresponding operation is executed for content displayed on the display screen according to the operation action of the operating portion, when it is determined that the gazing position of the operator's eyes on the display screen is consistent with the corresponding operation position of the operator's operating portion on the display screen.

Abstract: A fingerprint identification method, a fingerprint identification device, a display panel and a readable storage medium are provided. The fingerprint identification method includes: controlling at least one first light emitting unit in a first light emitting array to emit light; receiving, at a plurality of first positions in the first light emitting array, reflected signals caused by the light of the at least one first light emitting unit, respectively, as a plurality of first reflected light signals; and performing a fingerprint identification based on distances between the plurality of first positions in the first light emitting array and the at least one first light emitting unit and the plurality of first reflected light signals.

Abstract: An electrical signal detection module includes a photoelectrical signal application circuitry, an operational amplifier, a gain control circuitry and a master control circuitry. The gain control circuitry includes at least two gain control sub-circuitries connected in parallel to each other, and a discharge switching sub-circuitry connected in parallel to the gain control sub-circuitries. Each gain control sub-circuitry includes a gain switching sub-circuitry and a gain capacitive sub-circuitry connected in series to each other. The master control circuitry is configured to apply a discharge switching signal to the discharge switching sub-circuitry, and apply a gain switching control signal to the corresponding gain switching sub-circuitry. The gain switching sub-circuitry is configured to control a first end and a second end of the gain switching sub-circuitry to be electrically connected to each other in accordance with the gain switching control signal.

Abstract: An array substrate, a touch panel and a manufacturing method of an array substrate are provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.

Abstract: A method for detecting a biometric information includes providing a biometric sensor including a base substrate, a light emitting layer and a touch detection layer on the base substrate, an encapsulating cover on a side of the light emitting layer away from the base substrate, and a photo-sensing layer between the light emitting layer and the base substrate; determining a touch position of a touch by a touch sensing circuit; determining a scanning region based on the touch position; controlling the light emitting layer to form a scanning light source to scan the scanning region in a scanning pattern, the scanning region encompassing the touch position; determining a light intensity distribution of a reflected light reflected by the surface of the biometric sensor in touch with the skin of the user based on signals from the plurality of photosensors; and determining the biometric information based on the light intensity distribution.

Abstract: A fingerprint identification circuit and a driving method thereof, a fingerprint identification module, and a display device are provided. The fingerprint identification circuit includes a plurality of first signal receiving circuit groups, a plurality of second signal receiving circuit groups, and a plurality of first signal acquisition lines. The plurality of first signal acquisition lines are arranged in one-to-one correspondence with the plurality of first signal receiving circuit groups, and each first signal acquisition line is connected with multiple first acquisition signal input terminals of multiple signal receiving circuits in a corresponding one of the first signal receiving circuit groups.

Abstract: Embodiments of the present disclosure provide a fingerprint identification device, an array substrate, a display device and a fingerprint identification method. The fingerprint identification device includes: a first gate line, a second gate line, a read signal line and a voltage dividing unit, wherein, a plurality of fingerprint identification units are defined by the second gate line and the read signal line intersecting with each other, and the fingerprint identification unit includes a photosensitive member and a thin film transistor; the first gate line is connected with the voltage dividing unit, the voltage dividing unit includes a pressure sensitive member and an equivalent resistor connected in series, and the second gate line is connected between the pressure sensitive member and the equivalent resistor.

Abstract: A texture image acquisition circuit, a display panel and a texture image acquisition method. The texture image acquisition circuit includes a charge neutralization circuit and a first acquisition circuit, the charge neutralization circuit is electrically connected to the first acquisition circuit, the charge neutralization circuit receives a first control signal to cause a current flowing through the first acquisition circuit to be a first current, and the charge neutralization circuit is configured to receive a second control signal to cause a current flowing through the first acquisition circuit to be a second current, a direction of the second current and a direction of the first current are opposite to each other; the first acquisition circuit is configured to receive light from a texture and accumulate a first signal amount that is acquired after the light from the texture is converted, so as to acquire a first acquisition value.

Abstract: The present disclosure provides a touch panel including: a touch region having a plurality of ultrasonic signal detection circuits and a reference region having a plurality of reference circuits, each ultrasonic signal detection circuit includes an ultrasonic sensor and a first driving circuit; the ultrasonic sensor includes a first electrode, a second electrode, and a dielectric layer between the first electrode and the second electrode, the first driving circuit is configured to drive the ultrasonic sensor; each of the plurality of reference circuits includes a reference transceiver and a second driving circuit, the reference transceiver includes a third electrode, a fourth electrode, and a dielectric layer between the third electrode and the fourth electrode; the second driving circuit is configured to drive the reference transceiver; the dielectric layer of the ultrasonic sensor has piezoelectric sensitivity; the dielectric layer of the reference transceiver does not have the piezoelectric sensitivity.

Abstract: A circuit for generating and detecting ultrasonic sensing signals is provided. A piezoelectric device having a transmitting electrode and a receiving electrode is coupled to a biasing-and-sampling sub-circuit configured to set different bias voltages to the receiving electrode. The piezoelectric device is configured to transmit an ultrasonic signal upon applying an exciting pulse signal to the transmitting electrode and alternatively to generate a voltage signal at the receiving electrode upon receiving an echo signal based on the ultrasonic signal. A signal-collecting sub-circuit is coupled to the receiving electrode to determine a first sampling voltage based on the voltage signal at the receiving electrode in a first sampling period and a second sampling voltage based on the voltage signal at the receiving electrode in a second sampling period. An output sub-circuit is coupled to the signal-collecting sub-circuit for outputting the first sampling voltage and the second sampling voltage at a same time.

Abstract: A texture image acquisition method, a texture image acquisition circuit and a display panel are provided. The texture image acquisition circuit includes a photosensitive circuit, the texture image acquisition method includes: allowing the photosensitive circuit to receive light from a texture, and obtaining a first curve based on a signal amount accumulated by the photosensitive circuit within a first integral time period, the first curve being a time-varying curve of a residual signal amount which is a signal amount remaining after a signal amount, left over by the photosensitive circuit before the first integral time period, is released over time; obtaining a first acquisition value based on a signal amount accumulated by the photosensitive circuit within a second integral time period which is after the first integral time period; obtaining a first photosensitive signal of an image of the texture based on the first curve and the first acquisition value.

Abstract: The embodiments of the present application provide a display substrate and method for preparation thereof, and a display device. The display substrate includes a base, a piezoelectric layer arranged on the base, and a thin-film transistor arranged on the piezoelectric layer, said piezoelectric layer being configured to convert heat generated by the thin-film transistor into sound waves.

Abstract: A fingerprint identification assembly is disclosed. The fingerprint identification assembly includes first point light sources for emitting first signal light; second point light sources for emitting second signal light after the first point light source emits the first signal light; light sensitive units configured to sequentially receive the first signal light and the second signal light reflected by a finger; and an optical filter layer provided on a light entry side of the light sensitive unit. The optical filter layer includes first filter units, the first filter unit corresponds to a non-imaging area that is formed on the light sensitive units after the first point light source is lit, for preventing the first signal light reflected by the finger from irradiating the non-imaging area of the light sensitive units, and allowing the second signal light reflected by the finger to irradiate the non-imaging area of the light sensitive units.

Abstract: A touch panel and a driving method thereof, and a touch device are provided. The touch panel includes a first base substrate, a second base substrate, a first electrode, a piezoelectric layer and a second electrode. The second base substrate is opposite to the first base substrate. The first electrode is on a side of the first base substrate facing away from the second base substrate, and is configured to provide a reference. The piezoelectric layer is between the first electrode and the first base substrate. The second electrode is between the first base substrate and the second base substrate. The piezoelectric layer is configured to generate first charges on a side thereof close to the second electrode upon being pressed, and the second electrode is configured to couple the first charges at a pressed position and output a touch signal.