Abstract: The present disclosure provides a temperature detection circuit. The temperature detection circuit includes: a first comparator, the first comparator having a first negative input terminal, a first positive input terminal and a first output terminal, the first negative input terminal being connected with an output terminal of a temperature sensor, the first positive input terminal being connected with a first reference voltage terminal; a monostable trigger, an input terminal of the monostable trigger being connected with the first output terminal of the first comparator; a low pass filter, an input terminal of the low pass filter being connected with an output terminal of the monostable trigger. The present disclosure further provides a temperature sensor device and a display device.

Abstract: The present disclosure provides a display panel, a fabricating method and a control method thereof and a display device. Display panel includes a display assembly and sound generation assemblies. Display assembly includes a display assembly substrate and pixel components disposed on a side of display assembly substrate. Each sound generation assembly includes a vibrating membrane, an exciter, and a support structure. Support structure is disposed on a side of vibrating membrane and has a cavity. Exciter includes a motion part in contact with vibrating membrane and a drive part disposed in cavity. Drive part drives motion part to vibrate, and motion part vibrates to drive vibrating membrane to vibrate. Display assembly substrate and vibrating membrane are the same structure, and pixel components are disposed on a side of vibrating membrane facing away from support structure. Display device includes the display panel above.

Abstract: Embodiments of the present application provide acoustic wave signal reading apparatuses, acoustic wave signal reading circuits, and control methods thereof related to the field of acoustic wave signal reading technology. One embodiment of an acoustic wave signal reading circuit comprises: an acoustic wave receiver, a reset control circuit, a function circuit, and an output circuit; an acoustic wave receiver is configured to convert a received acoustic wave signal into an electrical signal and outputs the electrical signal to a first node; the reset control circuit outputs a voltage to the first node; the function circuit switches states based on the first node, a signal terminal, and a voltage terminal, and outputs a voltage to a second node to reset the second node or amplifies a potential of the first node and outputs to the amplified potential to the second node depending on a state of the function circuit.

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: The present disclosure provides a sound producing device, a method for driving the sound producing device, a display panel and a display apparatus. The sound producing device includes a recognition element, a directional sound production element and a control element, where the recognition element is connected with the control element and is configured to acquire information relating to a person in a preset range and transmit the acquired information relating to the person to the control element; the control element is connected with the directional sound production element and is configured to acquire a corresponding audio signal according to the acquired information relating to the person and control the directional sound production element to send out a sound wave according to the acquired audio signal.

Abstract: The present disclosure provides a fingerprint recognition module, a driving method thereof, a manufacturing method thereof, and a display device. The fingerprint recognition module includes a receiving electrode layer, a piezoelectric material layer, and a driving electrode layer. The receiving electrode layer includes a plurality of receiving electrodes arranged in an array along a first direction and a second direction. The piezoelectric material layer is disposed on a side of the receiving electrode layer. The driving electrode layer is disposed on a side of the piezoelectric material layer remote from the receiving electrode layer and includes a plurality of driving electrodes arranged along the second direction. Each driving electrode is a strip electrode extending along the first direction, and overlaps with multiple receiving electrodes arranged along the first direction.

Abstract: An ultrasonic pattern recognition assembly comprising: a substrate; a receiving member comprising at least one receiving electrode disposed on the substrate; a piezoelectric layer disposed on the substrate and covering the receiving member; a seed member comprising at least one seed block disposed on at least a portion of the piezoelectric layer; an insulating member disposed on the seed member and having at least one exposed portion, the at least one exposed portion exposing a portion of a surface of the seed member; and a transmitting member comprising at least one transmitting electrode disposed on the seed member, the at least one transmitting electrode extending from a surface of the seed member exposed by the exposed portion in a direction away from the substrate. A display device and a method of fabricating an ultrasonic pattern recognition assembly are also disclosed.

Abstract: A display device, a method for producing a display device, and a gesture recognition method are disclosed. The display device includes a display module including a base and an array substrate, a resin layer, a first electrode layer, a pixel definition layer, a light-emitting unit layer, a second electrode layer disposed opposite to the first electrode layer, and an encapsulation layer. The light-emitting unit layer is between the first electrode layer and the second electrode layer and includes a plurality of light-emitting units respectively in a plurality of openings of the pixel definition layer, and an ultrasonic sensor including the second electrode layer, a piezoelectric material layer between the first electrode layer and the pixel definition layer, and a third electrode layer between the pixel definition layer and the resin layer. The piezoelectric material layer includes a plurality of piezoelectric material units separated by the plurality of light-emitting units.

Abstract: A semiconductor apparatus and a method for manufacturing the semiconductor apparatus are provided. The semiconductor apparatus includes: a base substrate; a plurality of chips arranged on the base substrate each including a chip main body and a plurality of terminals arranged thereon; a plurality of fixed connection portions arranged on the base substrate, and adjacent to the plurality of chips; a terminal expansion layer arranged on the base substrate; and a plurality of expansion wires in the terminal expansion layer and configured to electrically connect the chips, wherein an expansion wire configured to electrically connect two chips includes at least a first wire segment and a second wire segment, and the first wire segment is configured to electrically connect a terminal of a chip and a fixed connection portion adjacent to the chip, and the second wire segment is configured to connect two fixed connection portions between the two chips.

Abstract: A semiconductor apparatus and a method for manufacturing the semiconductor apparatus are provided. The semiconductor apparatus includes: a base substrate; a chip arranged on the base substrate, wherein the chip includes a chip main body and a plurality of terminals arranged on the chip main body; a terminal expansion layer arranged on the base substrate, the terminal expansion layer including a conductive material, and the terminal expansion layer and at least one terminal are located on a same side of the chip main body; and a plurality of expansion wires in the terminal expansion layer, wherein the plurality of expansion wires are electrically connected to the plurality of terminals, respectively, to lead out the plurality of terminals, wherein an orthographic projection of at least one expansion wire on the base substrate completely covers an orthographic projection of a terminal electrically connected to the expansion wire on the base substrate.

Abstract: A detection panel, a display apparatus, a method for driving the detection panel, and a method for manufacturing the detection panel are provided. The detection panel includes an upper electrode layer, a piezoelectric material layer and a conductive backing layer which are sequentially stacked. The piezoelectric material layer is configured to change an electric field between the upper electrode layer and the conductive backing layer under an ultrasonic wave, and generate an ultrasonic wave under an electric field. The conductive backing layer includes a plurality of noise elimination members, and each of the noise elimination members has a dimension in a direction parallel to the detection panel that gradually decreases in a direction distal to the piezoelectric material layer.

Abstract: A microfluidic circuit includes a detection capacitor, having a first terminal and a second terminal that are spaced apart from one another to thereby form a space therebetween. The circuit is configured to detect a droplet present in the space by detecting a change of a capacitance value of the detection capacitor caused by a change of a dielectric constant between the first terminal and the second terminal, and to drive a formation of an electrical field formed using at least one of the first terminal and the second terminal of the detection capacitor to thereby drive the droplet to move in the electrical field.

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 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: An anti-noise signal modulation circuit, a modulation method, a display panel and a display device are disclosed. The anti-noise signal modulation circuit includes a frequency-modulation control sub-circuit. An input end of the frequency modulation control sub-circuit is configured to receive an initial signal, and an output end of the frequency-modulation control sub-circuit is connected to a signal processing circuit that is preset; the frequency-modulation control sub-circuit is configured to frequency-modulate the initial signal by a switch signal that hops according to a preset period, and to output a modulation result to the signal processing circuit; and a frequency corresponding to the switch signal does not overlap with a noise frequency.

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: Disclosed are a display device and a method for adjusting its display brightness. The display device includes a display screen and an ambient light sensor in the display screen, wherein the ambient light sensor includes a photodeformable element, and the photodeformable element includes a photodeformable material layer; and the photodeformable element is configured to deform in response to a change in ambient light to obtain output of the ambient light sensor. The ambient light sensor has a simple structure and is easy to be made and to be combined with the display screen.

Abstract: A microfluidic system and method are disclosed. The microfluidic system includes: a first base substrate; a second base substrate opposite to the first base substrate; a first electrode on a side of the first base substrate close to the second base substrate; and a second electrode on a side of the second base substrate close to the first base substrate, the first base substrate and the second base substrate forms a cell, the cell is configured to receive a liquid to be detected, the first electrode and the second electrode are configured to drive the liquid to be detected during a first time period, and output a capacitance signal between the first electrode and the second electrode during a second time period.

Abstract: A display panel capable of capturing an image of an object over a light-entering surface thereof includes a displaying array, a light valve array, and an imaging array, which are sequentially below the light-entering surface. The light valve array includes a plurality of light valve portions and can form a plurality of first mask patterns, and at least two first mask patterns are configured to be different. The displaying array includes a plurality of displaying pixels and can form a second mask pattern. The imaging array includes a plurality of imaging pixels and can generate an intermediate image upon receiving lights from the object and transmitting through the second mask pattern in the displaying array and at least one of the plurality of first mask patterns in the light valve array. The image of the object can then be deduced from the intermediate image.

Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a substrate, an array structure layer disposed on the substrate, a plurality of emitting units and a plurality of ultrasonic transducers disposed at intervals on a side of the array structure layer away from the substrate, wherein the ultrasonic transducers are disposed between adjacent emitting units, and the array structure layer includes a transducer drive circuit connected to the ultrasonic transducer, and the transducer drive circuit is configured to control the ultrasonic transducer to transmit ultrasonic waves and receive voltage signals generated by the ultrasonic transducer receiving echoes.