TOUCH PANEL, METHOD OF DRIVING TOUCH PANEL, AND TOUCH DEVICE

A touch panel, a method of driving a touch panel, and a touch device are provided. The touch panel includes a first detection electrode, a piezoelectric material layer and a position touch structure. The piezoelectric material layer is on the first detection electrode. The position touch structure comprises a touch electrode or a plurality of touch electrodes and is on the piezoelectric material layer. The touch electrode or at least one of the plurality of touch electrodes is configured to function as a second detection electrode as well, and the second detection electrode together with the piezoelectric material layer and the first detection electrode constitutes a piezoelectric sensing structure for implementing a touch pressure detection.

Array substrate, display panel, display device and method for manufacturing array substrate

The present application provides in some embodiments an array substrate, a display panel, a display device and a method for manufacturing the array substrate. The present application provides in some embodiments an array substrate, the array substrate comprising: an ultrasonic emission sensor, a substrate over the ultrasonic emission sensor, a pixel circuit layer over the glass substrate, and an ultrasonic reception sensor over the TFT pixel circuit layer, the ultrasonic reception sensor being electrically connected to the pixel circuit layer, wherein projections of the ultrasonic emission sensor and the ultrasonic reception sensor in a direction perpendicular to the substrate do not overlap with each other.

TEMPERATURE SENSOR, ARRAY SUBSTRATE AND DISPLAY DEVICE

Provided are a temperature sensor, an array substrate, and a display device. In the temperature sensor, a low-pass filter is disposed between a ring oscillator and a comparator, so that a square-wave signal output from the ring oscillator passes through the low-pass filter and a high-frequency component in the square-wave signal output from the ring oscillator is directly filtered out by the low-pass filter, thereby improving a signal-to-noise ratio of the ring oscillator and a test accuracy of the temperature sensor.

FINGERPRINT DETECTION CIRCUIT, DETECTION METHOD FOR FINGERPRINT DETECTION CIRCUIT, AND FINGERPRINT SENSOR

A fingerprint detection circuit is provided, which includes a photosensitive unit, a voltage following transistor, a first switching transistor and a second switching transistor. A gate electrode of the first switching transistor is connected to a first resetting control end, a first electrode thereof is connected to a node, and a second electrode thereof is connected to a second electrode of the voltage following transistor. A gate electrode of the second switching transistor is connected to a scanning signal end, a first electrode thereof is connected to the second electrode of the voltage following transistor, and a second electrode thereof is connected to a first reference voltage end. A gate electrode of the voltage following transistor is connected to the node. A first electrode of the photosensitive unit is connected to a third reference voltage end, and a second electrode thereof is connected to the node. 1. A fingerprint detection circuit , comprising a scanning signal end , a signal output end , a photosensitive unit , a voltage following transistor , a first switching transistor and a second switching transistor , wherein:a gate electrode of the first switching transistor is connected to a first resetting control end, a first electrode of the first switching transistor is connected to a node, and a second electrode of the first switching transistor is connected to a second electrode of the voltage following transistor;a gate electrode of the second switching transistor is connected to the scanning signal end, a first electrode of the second switching transistor is connected to the second electrode of the voltage following transistor, and a second electrode of the second switching transistor is connected to a first reference voltage end;a gate electrode of the voltage following transistor is connected to the node, and a first electrode of the voltage following transistor is connected to the signal output end and connected to a second reference voltage end ...

Imaging backplate, imaging device and electronic apparatus

An imaging backplate, an imaging device and an electronic apparatus are provided. The imaging backplate is used in a pinhole-imaging-based apparatus and includes a plate body, a plurality of photosensitive sensors, and a plurality of pixel circuits. The plate body is divided into a plurality of illumination subregions and a non-illumination region beyond the plurality of illumination subregions, the plurality of photosensitive sensors is in the plurality of illumination subregions and arranged in matrix, and the plurality of pixel circuits is arranged in the non-illumination region. Each of the plurality of photosensitive sensors is in a corresponding one of the plurality of illumination subregions and is connected to a corresponding one of the plurality of pixel circuits.

Touch sensing structure, touch substrate, manufacturing method thereof and touch display device

The present disclosure provides a touch sensing structure, an operating method thereof, a touch substrate, a manufacturing method thereof, and a touch display device. The touch sensing structure includes: first signal lines; second signal lines; a plurality of sensing driving electrodes each connected to a corresponding first signal line and a corresponding second signal line; and a sensing layer in contact with the plurality of sensing driving electrodes. Rigidity of the sensing layer in contact with the sensing driving electrode changes along with a voltage difference between an electric signal applied to one of the first signal lines and an electric signal applied to the corresponding second signal line.

Interaction system of three-dimensional space and method for operating same

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 ...

PRESSURE-SENSING CIRCUIT, METHOD FOR DRIVING PRESSURE-SENSING CIRCUIT, AND DISPLAY DEVICE

A pressure-sensing circuit, a method for driving the pressure-sensing circuit and a display device are provided. The pressure-sensing circuit includes pressure-sensing gating lines arranged in rows, pressure-sensing reading lines arranged in columns, piezoresistance sensing circuits arranged in N rows and M columns, a pressure-sensing sub-circuit, a current input control circuit, and a current supply circuit for supplying a pressure-sensing current, where each of N and M is an integer greater than 1. The current input control circuit includes N current input control sub-circuits. The pressure-sensing sub-circuit is connected to each of the pressure-sensing reading lines and configured to perform a pressure-sensing operation in accordance with a voltage signal acquired from each of the pressure-sensing reading lines.

Display panel and control method thereof

A display panel includes a control module, and an active pixel sensor array connected to the control module. The active pixel sensor array includes multiple pixel circuits arranged in multiple rows. The pixel circuit includes: a photoelectric conversion module, a signal output terminal, a voltage control terminal, a gating module, and a pre-discharging module. The control module is configured to control the gating module in a current row to turn on, read a voltage signal outputted from the signal output terminal in the current row, generate a reference voltage signal according to the voltage signal, before the gating module in a next row is turned on, output the reference voltage signal to the voltage control terminal in the next row, and control the pre-discharging module in the next row to turn on.

SENSE CIRCUIT FOR PIEZORESISTIVE SENSOR, CIRCUIT INCLUDING ARRAY OF PIEZORESISTIVE SENSORS, AND OPERATION METHOD THEREOF

A sense circuit for a piezoresistive sensor is provided that comprises: an energy storage circuit coupled to the piezoresistive sensor via a first node; a charge control circuit coupled to the first node and configured to charge the energy storage circuit to a predetermined potential; a discharge control circuit configured to allow the energy storage circuit to discharge through the piezoresistive sensor; and a readout circuit coupled to the first node and configured to output a sensed voltage based on a level of charges stored by the energy storage circuit 1. A sense circuit for a piezoresistive sensor , comprising:an energy storage circuit coupled to the piezoresistive sensor via a first node;a charge control circuit coupled to the first node and configured to charge the energy storage circuit to a predetermined potential;a discharge control circuit configured to allow the energy storage circuit to discharge through the piezoresistive sensor; anda readout circuit coupled to the first node and configured to output a sensed voltage based on a level of charges stored by the energy storage circuit.2. The sense circuit of claim 1 , wherein:the piezoresistive sensor has a first end configured to receive a first voltage,the energy storage circuit has a first end configured to receive a second voltage, and a second end coupled to the first node,the charge control circuit is configured to charge the energy storage circuit such that the first node is charged to the predetermined potential;the discharge control circuit is coupled to the first node and a second end of the piezoresistive sensor, respectively, configured to control a discharge path for the energy storage circuit, which includes the piezoresistive sensor, to be turned on or off, so that the energy storage circuit can be discharged through the piezoresistive sensor in the case that the discharge path is turned on; andthe readout circuit is coupled to the first node and configured to output a sensed voltage ...

Pixel control circuit and control method, pixel unit, display substrate and device

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.

DISPLAY PANEL AND DISPLAY DEVICE

Provided is a display panel comprising including: a base substrate; a plurality of pixel units, each of which is provided with a light emitting structure, each light emitting structure includes a first electrode, a light emitting layer, and a second electrode sequentially stacked on the base substrate; a plurality of pixel circuits respectively disposed in the pixel units for driving the light emitting structure to emit light; a deforming layer disposed above the second electrodes of the light emitting structures; and one or more heating control circuits respectively disposed in different pixel units and each electrically connected to the second electrode of the light emitting structure in a corresponding pixel unit, the heating control circuit is configured to control the second electrode of the light emitting structure in the corresponding pixel unit to generate heat so that the hardness of the deforming layer above the second electrode changes. 117-. (canceled)18. A display panel , comprising:a base substrate;a plurality of pixel units, each of which is provided with a light emitting structure therein, each light emitting structure includes a first electrode, a light emitting layer, and a second electrode sequentially stacked on the base substrate;a plurality of pixel circuits respectively disposed in the pixel units for driving the light emitting structure to emit light;a deforming layer disposed above the second electrode of the light emitting structure; andone or more heating control circuits respectively disposed in different pixel units and each electrically connected to the second electrode of the light emitting structure in a corresponding pixel unit in which the heating control circuit is provided;wherein the heating control circuit is configured to control the second electrode of the light emitting structure in the corresponding pixel unit to generate heat so that hardness of the deforming layer above the second electrode changes.19. The display panel of ...

DRIVE METHOD FOR DRIVING TOUCH APPARATUS, TOUCH APPARATUS AND TOUCH DISPLAY APPARATUS

The present disclosure discloses a drive method for driving a touch apparatus. The touch apparatus includes a plurality of touch electrodes. In the drive method, a touch detection signal is applied to the plurality of touch electrodes within a first time interval. A tactile feedback signal is applied to the plurality of touch electrodes within a second time interval. The first time interval and the second time interval are alternated but not overlapped. The present disclosure further discloses a touch apparatus and a touch display apparatus. 1. A drive method for driving a touch apparatus comprising a plurality of touch electrodes , the drive method comprising:applying a touch detection signal to the plurality of touch electrodes within a first time interval; andapplying a tactile feedback signal to the plurality of touch electrodes within a second time interval, wherein the first time interval and the second time interval are alternated but not overlapped.2. The drive method according to further comprising determining a touch location of a touch after the touch detection signal is applied claim 1 , wherein the tactile feedback signal is applied to a touch electrode corresponding to the touch location within the second time interval.3. The drive method according to claim 2 , wherein the touch apparatus is a mutual-capacitance touch apparatus claim 2 , and the plurality of touch electrodes comprise a plurality of touch drive electrodes and a plurality of touch sensing electrodes claim 2 ,wherein applying the touch detection signal to the plurality of touch electrodes within the first time interval comprises applying a square-wave signal to the plurality of touch drive electrodes and setting the plurality of touch sensing electrodes to a floating state within the first time interval, andwherein applying the tactile feedback signal to the plurality of touch electrodes within the second time interval comprises applying a first voltage signal having a first frequency and ...

Pressure detection circuit, pressure detection circuit array, touch panel and detection method

The present disclosure discloses a pressure detection circuit, a pressure detection circuit array, a touch panel, and a detection method. The pressure detection circuit comprises: a collection sub-circuit configured to receive an external pressure signal and convert the external pressure signal into a voltage signal under the control of a gating signal; and a reading sub-circuit configured to receive the voltage signal, and output a detection output signal related to the voltage signal, wherein the collection sub-circuit and the reading sub-circuit are powered by a constant current source respectively.

Optical detection pixel unit, optical detection circuit, optical detection method and display device

The present disclosure provides an optical detection pixel unit, an optical detection pixel circuit, an optical detection method and a display device. The optical detection pixel unit comprise a photosensitive element and a detection transistor, wherein the photosensitive element has a first electrode connected with a photovoltage terminal, and a second electrode connected with a gate of the detection transistor; the photosensitive element is configured to detect an optical signal under the control of the photovoltage terminal; and the detection transistor has a first electrode connected with a detection voltage line, and a second electrode connected with a reading line.

Pixel circuit, method for driving the same, and display apparatus

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 ...

PRESSURE SENSING ASSEMBLY INTEGRATED WITH FINGERPRINT IDENTIFICATION FUNCTION, DRIVING METHOD THEREOF, AND DISPLAY DEVICE

A pressure sensing assembly integrated with a fingerprint identification function includes a pressure sensing unit and a control unit. The pressure sensing unit includes a plurality of pressure sensing sub-units arranged in N rows and M columns, a pressure sensing processing sub-unit, and a fingerprint identification processing sub-unit, where N and M are each a positive integer. A pressure sensing sub-unit in an nth row and an mth column includes a pressure sensing module in the nth row and the mth column and a fingerprint identification module in the nth row and the mth column. The pressure sensing processing sub-unit and the fingerprint identification module in the nth row and the mth column are connected to the control unit, where n is a positive integer smaller than or equal to N, and m is a positive integer smaller than or equal to M. The control unit is configured to, upon the receipt of a pressure sensing indication signal, transmit a fingerprint identification control signal to the fingerprint identification module in the nth row and the mth column.

Droplet control and detection device, operating method thereof, and microfluidic device

A droplet control and detection device and an operating method thereof are provided. The droplet control and detection device includes: a light source; a first electrode; a second electrode; a droplet arranged on a light-exiting side of the light source, where the droplet is movable under the effect of an electric field formed between the first electrode and the second electrode; a photoelectric detection structure configured to detect light emitted by the light source and reflected by the droplet; and a processing circuit configured to obtain droplet information according to a detection result of the photoelectric detection structure and control an electrical signal applied on the first electrode and the second electrode according to the droplet information.

OPTICAL MEASUREMENT MODULE, OPTICAL MEASUREMENT CIRCUIT, AND ELECTRONIC DEVICE

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.

Pressure-sensing circuit, method for driving pressure-sensing circuit, and display device

A pressure-sensing circuit, a method for driving the pressure-sensing circuit and a display device are provided. The pressure-sensing circuit includes pressure-sensing gating lines arranged in rows, pressure-sensing reading lines arranged in columns, piezoresistance sensing circuits arranged in N rows and M columns, a pressure-sensing sub-circuit, a current input control circuit, and a current supply circuit for supplying a pressure-sensing current, where each of N and M is an integer greater than 1. The current input control circuit includes N current input control sub-circuits. The pressure-sensing sub-circuit is connected to each of the pressure-sensing reading lines and configured to perform a pressure-sensing operation in accordance with a voltage signal acquired from each of the pressure-sensing reading lines.

Fingerprint detection circuit, detection method for fingerprint detection circuit, and fingerprint sensor

A fingerprint detection circuit is provided, which includes a photosensitive unit, a voltage following transistor, a first switching transistor and a second switching transistor. A gate electrode of the first switching transistor is connected to a first resetting control end, a first electrode thereof is connected to a node, and a second electrode thereof is connected to a second electrode of the voltage following transistor. A gate electrode of the second switching transistor is connected to a scanning signal end, a first electrode thereof is connected to the second electrode of the voltage following transistor, and a second electrode thereof is connected to a first reference voltage end. A gate electrode of the voltage following transistor is connected to the node. A first electrode of the photosensitive unit is connected to a third reference voltage end, and a second electrode thereof is connected to the node.

IMAGING BACKPLATE, IMAGING DEVICE AND ELECTRONIC APPARATUS

An imaging backplate, an imaging device and an electronic apparatus are provided. The imaging backplate is used in a pinhole-imaging-based apparatus and includes a plate body, a plurality of photosensitive sensors, and a plurality of pixel circuits. The plate body is divided into a plurality of illumination subregions and a non-illumination region beyond the plurality of illumination subregions, the plurality of photosensitive sensors is in the plurality of illumination subregions and arranged in matrix, and the plurality of pixel circuits is arranged in the non-illumination region. Each of the plurality of photosensitive sensors is in a corresponding one of the plurality of illumination subregions and is connected to a corresponding one of the plurality of pixel circuits.

Display substrate, a display apparatus, and a method for operating the display apparatus

The present application discloses a display substrate having a display area including a plurality of subpixel regions and an inter-subpixel region. The display substrate includes an array of matrix of a plurality of subpixels. Each subpixel includes a subpixel region surrounded by multiple sections of the inter-sub-pixel region and at least one antenna is in the inter-subpixel region and configured to detect an electromagnetic wave signal.

DISPLAY DEVICE, PIXEL CORRECTION CIRCUIT AND PIXEL CORRECTION METHOD

A pixel correction circuit includes a signal input circuit, a follower and a reading circuit. The signal input circuit is used to apply a first signal and a second signal to the follower in a correction mode. An input terminal of the follower is coupled to the signal input circuit. The follower is used to receive the first signal and the second signal sequentially, output a first follow-up signal dependent on the first signal, and output a second follow-up signal dependent on the second signal. The reading circuit is coupled to an output terminal of the follower, and reads the first follow-up signal and then generates a first read signal, and reads the second follow-up signal and then generates a second read signal. The reading circuit uses the first signal, the second signal, the first read signal and the second read signal to calculate a compensation gain.

Touch panel, method of driving touch panel, and touch device

A touch panel, a method of driving a touch panel, and a touch device are provided. The touch panel includes a first detection electrode, a piezoelectric material layer and a position touch structure. The piezoelectric material layer is on the first detection electrode. The position touch structure comprises a touch electrode or a plurality of touch electrodes and is on the piezoelectric material layer. The touch electrode or at least one of the plurality of touch electrodes is configured to function as a second detection electrode as well, and the second detection electrode together with the piezoelectric material layer and the first detection electrode constitutes a piezoelectric sensing structure for implementing a touch pressure detection.

DISPLAY DEVICE AND METHOD OF DETECTING HEART RATE INFORMATION

A display device is provided. The display device includes a base substrate; an encapsulation layer, on the base substrate; an organic light-emitting display element between the base substrate and the encapsulation layer configured to emit a first light passing though the base substrate and a second light passing through the encapsulation layer to display image; a photosensitive layer between the base substrate and the encapsulation layer configured to detect a light reflected from a skin of a user and generate a photocurrent signal; and a photosensitive detection circuit coupled to the photosensitive layer configured to determine heart rate information according to the photocurrent signal generated by the photosensitive layer and output the heart rate information. 1. A display device , comprising:a base substrate;an encapsulation layer, on the base substrate;an organic light-emitting display element between the base substrate and the encapsulation layer configured to emit a first light passing though the base substrate and a second light passing through the encapsulation layer to display image;a photosensitive layer between the base substrate and the encapsulation layer configured to detect light reflected from a skin of a user and generate a photocurrent signal; and a photosensitive detection circuit coupled to the photosensitive layer configured to determine heart rate information according to the photocurrent signal generated by the photosensitive layer and output the heart rate information.2. The display device according to claim 1 , further comprises a light-shielding layer located on a side of the photosensitive layer away from the base substrate claim 1 , wherein:a positive projection of the light-shielding layer onto the base substrate overlaps with a positive projection of the photosensitive layer onto the base substrate.3. The display device according to claim 1 , wherein the organic light-emitting display element comprises: a first electrode layer claim 1 ...

Fingerprint identification detection circuit, touch screen and display device

A fingerprint identification detection circuit, a touch screen and a display device is disclosed. The fingerprint identification detection circuit can include a photosensitive diode, a first switch transistor, a second switch transistor and a voltage follower transistor, wherein the first switch transistor can include a metal oxide transistor, and the second switch transistor and the voltage follower transistor both can include a low-temperature polycrystalline silicon transistor. There is little current leaking from the first switch transistor by using the metal oxide transistor as the first switch transistor. Even in the case of low light intensity, photocurrent can be detected, which may thereby improve the detection precision of the fingerprint identification detection circuit.

ARRAY SUBSTRATE, DISPLAY PANEL, DISPLAY DEVICE AND METHOD FOR MANUFACTURING ARRAY SUBSTRATE

The present application provides in some embodiments an array substrate, a display panel, a display device and a method for manufacturing the array substrate. The present application provides in some embodiments an array substrate, the array substrate comprising: an ultrasonic emission sensor, a substrate over the ultrasonic emission sensor, a thin film transistor (TFT) pixel circuit layer over the glass substrate, and an ultrasonic reception sensor over the TFT pixel circuit layer, the ultrasonic reception sensor being electrically connected to the TFT pixel circuit layer, wherein projections of the ultrasonic emission sensor and the ultrasonic reception sensor in a direction perpendicular to the substrate do not overlap with each other.

ARRAY SUBSTRATE, DISPLAY PANEL AND MAN-MACHINE INTERACTIVE TERMINAL

The present disclosure provides an array substrate, comprising a substrate and a display element arranged above the substrate. The array substrate further comprises an antenna structure for transmitting and receiving electromagnetic waves. The antenna structure comprises a signal shielding layer and an antenna patch layer arranged on the substrate. The antenna patch layer and the signal shielding layer are spaced apart through a dielectric layer. The antenna patch layer is beneath the signal shielding layer such that the antenna structure transmits electromagnetic waves towards the bottom of the substrate and receives the electromagnetic waves from the bottom of the substrate. The present disclosure further provides a display panel and a man-machine interactive terminal. 1. An array substrate , comprising:a substrate;a display element arranged above the substrate; andan antenna structure for transmitting and receiving electromagnetic waves, wherein the antenna structure comprises a signal shielding layer and an antenna patch layer arranged on the substrate, the antenna patch layer and the signal shielding layer are spaced apart through a dielectric layer, and the antenna patch layer is beneath the signal shielding layer such that the antenna structure transmits electromagnetic waves towards the bottom of the substrate and receives the electromagnetic waves from the bottom of the substrate.2. The array substrate according to claim 1 , wherein the display element comprises a thin film transistor and a pixel electrode claim 1 , wherein the thin film transistor and the pixel electrode both are above the signal shielding layer.3. The array substrate according to claim 1 , wherein the signal shielding layer is on an upper surface of the substrate claim 1 , the antenna patch layer is on a lower surface of the substrate claim 1 , and the substrate acts as the dielectric layer.4. The array substrate according to claim 1 , wherein the signal shielding layer is arranged ...

DROPLET CONTROL AND DETECTION DEVICE, OPERATING METHOD THEREOF, AND MICROFLUIDIC DEVICE

A droplet control and detection device and an operating method thereof are provided. The droplet control and detection device includes: a light source; a first electrode; a second electrode; a droplet arranged on a light-exiting side of the light source, where the droplet is movable under the effect of an electric field formed between the first electrode and the second electrode; a photoelectric detection structure configured to detect light emitted by the light source and reflected by the droplet; and a processing circuit configured to obtain droplet information according to a detection result of the photoelectric detection structure and control an electrical signal applied on the first electrode and the second electrode according to the droplet information.

MICROFLUIDIC DEVICE, DRIVING METHOD THEREOF, AND MICROFLUIDIC SYSTEM

The present disclosure provides a microfluidic device, a driving method thereof and a microfluidic system. The microfluidic device includes a first substrate and a second substrate disposed opposite to each other, and a microcavity provided between the first and second substrates for accommodating droplets. The microfluidic device further includes at least one ultrasonic layer provided between the first and second substrates. The at least one ultrasonic layer includes a plurality of ultrasonic sensors configured to perform at least one of detection operation and driving operation to the droplets accommodated in the microcavity.

Sense circuit for piezoresistive sensor, circuit including array of piezoresistive sensors, and operation method thereof

A sense circuit for a piezoresistive sensor is provided that comprises: an energy storage circuit coupled to the piezoresistive sensor via a first node; a charge control circuit coupled to the first node and configured to charge the energy storage circuit to a predetermined potential; a discharge control circuit configured to allow the energy storage circuit to discharge through the piezoresistive sensor; and a readout circuit coupled to the first node and configured to output a sensed voltage based on a level of charges stored by the energy storage circuit.

FINGERPRINT IDENTIFICATION DETECTION CIRCUIT, TOUCH SCREEN AND DISPLAY DEVICE

A fingerprint identification detection circuit, a touch screen and a display device is disclosed. The fingerprint identification detection circuit can include a photosensitive diode, a first switch transistor, a second switch transistor and a voltage follower transistor, wherein the first switch transistor can include a metal oxide transistor, and the second switch transistor and the voltage follower transistor both can include a low-temperature polycrystalline silicon transistor. There is little current leaking from the first switch transistor by using the metal oxide transistor as the first switch transistor. Even in the case of low light intensity, photocurrent can be detected, which may thereby improve the detection precision of the fingerprint identification detection circuit.

Display panel, method for driving the same, and display device

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.

MICROFLUIDIC SYSTEM AND METHOD FOR DRIVING THE SAME

A microfluidic system includes a liquid drop accommodation space, an array of photosensitivity detection circuits and an array of driving circuits between an upper substrate and a lower substrate. Each photosensitivity detection circuit includes a photosensitive transistor and a first gating transistor. The photosensitive transistor has a gate electrode coupled to a first scan signal line, a source electrode coupled to a first power supply voltage signal line, and a drain electrode coupled to a source electrode of the first gating transistor. The first gating transistor has a gate electrode coupled to a second scan signal line, and a drain electrode coupled to a read signal line. Each driving circuit includes a driving transistor and a driving electrode. The driving transistor has a gate electrode coupled to a third scan signal line, a source electrode coupled to a data signal line, and a drain electrode coupled to the driving electrode.

PIEZOELECTRIC DETECTION CIRCUIT, ARRAY, PRESSURE DETECTION DEVICE AND METHOD

The present disclosure provides a piezoelectric detection circuit, an array, a pressure detection device and a method. The piezoelectric detection circuit comprises a constant current circuit, a dual-gate transistor, and a transmission circuit. The dual-gate transistor comprises a first gate, a second gate, a first electrode, and a second electrode. The first gate is configured to receive a first voltage signal. The second gate is configured to receive a bias voltage and a pressure. The first electrode is electrically connected to a first voltage terminal. The second electrode is configured to receive a constant current. The transmission circuit is configured to output a second voltage signal from the second electrode. A magnitude of the pressure is obtained according to an amplitude of the second voltage signal.

LIGHT DETECTING DEVICE, LIGHT DETECTING METHOD AND DISPLAY DEVICE

The light detecting device provided by the present disclosure includes a reset circuit, a photoelectric conversion circuit, a voltage follower circuit, a selection circuit, and a light fluctuation detecting circuit. The light fluctuation detecting circuit is connected to each of a light fluctuation detection control terminal, a photoelectric node and an input terminal of the voltage follower circuit. The light fluctuation detecting circuit is configured to enable or disable a connection between the photoelectric node and the input terminal of the voltage follower circuit. When the light fluctuation detecting circuit is turned off, a drain current of the light fluctuation detecting circuit may change as the brightness of light received by the light fluctuation detecting circuit changes. The voltage at the output node is used to determining brightness of light received by the photoelectric conversion circuit and whether is a fluctuation in the in the brightness of the light. 1. A light detecting device comprising:a reset circuit connected to a reset control terminal, a reset voltage terminal, and a photoelectric node;a photoelectric conversion circuit connected to the photoelectric node, and configured to convert a received optical signal into a corresponding electrical signal, the optical signal being output by a light source;a voltage follower circuit;a selection circuit connected to a selection control terminal, a follower node, and an output node; anda light fluctuation detecting circuit connected to each of a light fluctuation detection control terminal, the photoelectric node, and an input terminal of the voltage follower circuit, an output terminal of the voltage follower circuit being connected to the follower node,wherein the light fluctuation detecting circuit is configured to enable or disable a connection between the photoelectric node and the input terminal of the voltage follower circuit under the control of the light fluctuation detection control ...

OPTICAL DETECTION PIXEL UNIT, OPTICAL DETECTION CIRCUIT, OPTICAL DETECTION METHOD AND DISPLAY DEVICE

The present disclosure provides an optical detection pixel unit, an optical detection pixel circuit, an optical detection method and a display device. The optical detection pixel unit comprise a photosensitive element and a detection transistor, wherein the photosensitive element has a first electrode connected with a photovoltage terminal, and a second electrode connected with a gate of the detection transistor; the photosensitive element is configured to detect an optical signal under the control of the photovoltage terminal; and the detection transistor has a first electrode connected with a detection voltage line, and a second electrode connected with a reading line. 1. An optical detection pixel unit , comprising a photosensitive element and a detection transistor , whereinthe photosensitive element has a first electrode connected with a photovoltage terminal, and a second electrode connected with a gate of the detection transistor; andthe detection transistor has a first electrode connected with a detection voltage line, and a second electrode connected with a reading line.2. The optical detection pixel unit according to claim 1 , wherein the photosensitive element is a photodiode; and an anode of the photodiode is the first electrode of the photosensitive element claim 1 , and a cathode of the photodiode is the second electrode of the photosensitive element.3. An optical detection method for the optical detection pixel unit according to claim 1 , comprising a reset stage claim 1 , an integration stage and a reading stage sequentially in each detection cycle claim 1 , wherein:in the reset stage, resetting a potential of the gate of the detection transistor;in the integration stage, providing a first detection voltage for the detection voltage line to turn off the detection transistor, and providing a first photovoltage for the photovoltage terminal so as to enable the photosensitive element to convert an optical signal received by the photosensitive element ...

TOUCH SENSING STRUCTURE, OPERATING METHOD THEREOF, TOUCH SUBSTRATE, MANUFACTURING METHOD THEREOF AND TOUCH DISPLAY DEVICE

The present disclosure provides a touch sensing structure, an operating method thereof, a touch substrate, a manufacturing method thereof, and a touch display device. The touch sensing structure includes: first signal lines; second signal lines; a plurality of sensing driving electrodes each connected to a corresponding first signal line and a corresponding second signal line; and a sensing layer in contact with the plurality of sensing driving electrodes. Rigidity of the sensing layer in contact with the sensing driving electrode changes along with a voltage difference between an electric signal applied to one of the first signal lines and an electric signal applied to the corresponding second signal line. 1. A touch sensing structure , comprising:first signal lines;second signal lines;a plurality of sensing driving electrodes each connected to a corresponding first signal line and a corresponding second signal line; anda sensing layer in contact with the plurality of sensing driving electrodes,wherein rigidity of the sensing layer is changed along with a voltage difference between an electric signal applied to one of the first signal lines and an electric signal applied to a corresponding second signal line.2. The touch sensing structure according to claim 1 , wherein the sensing layer is made of a hydrogel material.3. The touch sensing structure according to claim 1 , wherein the sensing layer covers the plurality of sensing driving electrodes as a whole layer.4. The touch sensing structure according to claim 1 , wherein each sensing driving electrode is provided with a hollowed-out region.5. The touch sensing structure according to claim 1 , wherein each sensing driving electrode is directly connected to the sensing layer.6. The touch sensing structure according to claim 5 , wherein the sensing layer is made of a high-molecular hydrogel material whose rigidity changes along with a temperature.7. The touch sensing structure according to claim 5 , wherein the ...

Fingerprint identification component, fingerprint identification method and fingerprint identification device

The present disclosure discloses a fingerprint identification component, a fingerprint identification method and a fingerprint identification device. the fingerprint identification component includes an ultrasonic wave transmission circuit and an ultrasonic wave reception circuit, the ultrasonic wave transmission circuit is configured to transmit an ultrasonic wave in a direction towards a fingerprint at an interval of a first time period in a detection phase; the ultrasonic wave reception circuit is configured to, in the detection phase, receive an ultrasonic wave reflected by the fingerprint, convert the ultrasonic wave into an electric signal, and output the electric signal to a signal reading line, in order for an external detection component to determine texture information of the fingerprint according to the electric signal in the signal reading line.

ULTRASONIC GENERATOR, METHOD OF MANUFACTURING THE SAME, DISPLAY PANEL AND SCREEN SOUND PRODUCING SYSTEM

An ultrasonic generator includes a substrate, a lower electrode on the substrate, an upper electrode on the lower electrode, and an ultrasonic generation unit between the lower electrode and the upper electrode. The ultrasonic generation unit includes a vibration chamber and an ultrasonic generation layer on the vibration chamber. The ultrasonic generation layer is configured to propel a surrounding medium to vibrate to generate ultrasonic waves in response to a voltage difference between the upper electrode and the lower electrode.

Array substrate, display panel and man-machine interactive terminal

The present disclosure provides an array substrate, comprising a substrate and a display element arranged above the substrate. The array substrate further comprises an antenna structure for transmitting and receiving electromagnetic waves. The antenna structure comprises a signal shielding layer and an antenna patch layer arranged on the substrate. The antenna patch layer and the signal shielding layer are spaced apart through a dielectric layer. The antenna patch layer is beneath the signal shielding layer such that the antenna structure transmits electromagnetic waves towards the bottom of the substrate and receives the electromagnetic waves from the bottom of the substrate. The present disclosure further provides a display panel and a man-machine interactive terminal.

Drive method for driving touch apparatus, touch apparatus and touch display apparatus

The present disclosure discloses a drive method for driving a touch apparatus. The touch apparatus includes a plurality of touch electrodes. In the drive method, a touch detection signal is applied to the plurality of touch electrodes within a first time interval. A tactile feedback signal is applied to the plurality of touch electrodes within a second time interval. The first time interval and the second time interval are alternated but not overlapped. The present disclosure further discloses a touch apparatus and a touch display apparatus.

PIXEL CIRCUIT, METHOD FOR DRIVING THE SAME, AND DISPLAY APPARATUS

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 ...

PRESSURE DETECTION CIRCUIT, PRESSURE DETECTION CIRCUIT ARRAY, TOUCH PANEL AND DETECTION METHOD

The present disclosure discloses a pressure detection circuit, a pressure detection circuit array, a touch panel, and a detection method. The pressure detection circuit comprises: a collection sub-circuit configured to receive an external pressure signal and convert the external pressure signal into a voltage signal under the control of a gating signal; and a reading sub-circuit configured to receive the voltage signal, and output a detection output signal related to the voltage signal, wherein the collection sub-circuit and the reading sub-circuit are powered by a constant current source respectively. 1. A pressure detection circuit , comprising:a collection sub-circuit configured to receive an external pressure signal and convert the external pressure signal into a voltage signal under the control of a gating signal; anda reading sub-circuit configured to receive the voltage signal, and output a detection output signal related to the voltage signal,wherein the collection sub-circuit and the reading sub-circuit are powered by a constant current source respectively.2. The pressure detection circuit according to claim 1 , wherein the collection sub-circuit comprises:a piezoresistive sensor having a first terminal configured to receive a first voltage signal and a second terminal connected to a collection node, wherein the piezoresistive sensor is configured to change a resistance value thereof according to the external pressure signal; anda first gating transistor having a gate configured to receive the gating signal, a first electrode connected to the collection node, and a second electrode connected to a first constant current source, wherein the first gating transistor is configured to cause a voltage signal corresponding to the resistance value of the piezoresistive sensor to be output at the collection node under the control of the gating signal.3. The pressure detection circuit according to claim 2 , wherein the reading sub-circuit comprises:a voltage follower ...

TEMPERATURE DETECTION CIRCUIT, TEMPERATURE SENSOR DEVICE AND DISPLAY DEVICE

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.

Image recognition device and touch panel

The present disclosure relates to image recognition devices and touch panels. An image recognition apparatus comprises a plurality of depth cameras including a plurality of depth camera units, each depth camera including two depth camera units, wherein the plurality of depth camera units is arranged in an array on a same substrate. According to the image recognition devices and touch panels of the embodiments, the accuracy of the depth detection can be improved.

TEMPERATURE SENSOR, DISPLAY PANEL, AND DISPLAY APPARATUS

The present disclosure discloses a temperature sensor, a display panel, and a display apparatus, in the field of sensors. The temperature sensor includes a ring oscillator consisting of n levels of phase inverters, where n is an odd number greater than or equal to 1. Each level of phase inverter includes a first thin film transistor (TFT) and a second TFT that are connected in series. An on/off state of the second TFT is configured to be in a normally-on state, an on/off state of the first TFT is configured to be determined by a signal input to the phase inverter, and mobility of an active layer material of the first TFT is greater than mobility of an active layer material of the second TFT. 1. A temperature sensor , comprising a ring oscillator consisting of n levels of phase inverters , wherein n is an odd number , whereineach level of phase inverter comprises a first thin film transistor (TFT) and a second TFT that are connected in series, an on/off state of the first TFT is configured to be determined by a signal input to the phase inverter, an on/off state of the second TFT is configured to be in a normally on state, and mobility of an active layer material of the first TFT is greater than mobility of an active layer material of the second TFT.2. The temperature sensor according to claim 1 , wherein a combination of a type of the first TFT and a type of the second TFT is any of the followings:the first TFT is a low temperature poly-silicon TFT, and the second TFT is an amorphous silicon TFT;the first TFT is an oxide semiconductor TFT, and the second TFT is an amorphous silicon TFT; andthe first TFT is a low temperature poly-silicon TFT, and the second TFT is an oxide semiconductor TFT.3. The temperature sensor according to claim 1 , wherein a gate of the first TFT is connected to an input terminal of the phase inverter claim 1 , a first electrode of the first TFT is connected to a first electrode of the second TFT and an output terminal of the inverter ...

DISPLAY PANEL, DISPLAY APPARATUS, TEXTURE RECOGNITION METHOD AND ELECTRONIC DEVICE

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.

Fingerprint Identification Component, Fingerprint Identification Method and Fingerprint Identification Device

The present disclosure discloses a fingerprint identification component, a fingerprint identification method and a fingerprint identification device. the fingerprint identification component includes an ultrasonic wave transmission circuit and an ultrasonic wave reception circuit, the ultrasonic wave transmission circuit is configured to transmit an ultrasonic wave in a direction towards a fingerprint at an interval of a first time period in a detection phase; the ultrasonic wave reception circuit is configured to, in the detection phase, receive an ultrasonic wave reflected by the fingerprint, convert the ultrasonic wave into an electric signal, and output the electric signal to a signal reading line, in order for an external detection component to determine texture information of the fingerprint according to the electric signal in the signal reading line.

Microfluidic system and method for driving the same

A microfluidic system includes a liquid drop accommodation space, an array of photosensitivity detection circuits and an array of driving circuits between an upper substrate and a lower substrate. Each photosensitivity detection circuit includes a photosensitive transistor and a first gating transistor. The photosensitive transistor has a gate electrode coupled to a first scan signal line, a source electrode coupled to a first power supply voltage signal line, and a drain electrode coupled to a source electrode of the first gating transistor. The first gating transistor has a gate electrode coupled to a second scan signal line, and a drain electrode coupled to a read signal line. Each driving circuit includes a driving transistor and a driving electrode. The driving transistor has a gate electrode coupled to a third scan signal line, a source electrode coupled to a data signal line, and a drain electrode coupled to the driving electrode.

Display panel and display device

Provided is a display panel comprising including: a base substrate; a plurality of pixel units, each of which is provided with a light emitting structure, each light emitting structure includes a first electrode, a light emitting layer, and a second electrode sequentially stacked on the base substrate; a plurality of pixel circuits respectively disposed in the pixel units for driving the light emitting structure to emit light; a deforming layer disposed above the second electrodes of the light emitting structures; and one or more heating control circuits respectively disposed in different pixel units and each electrically connected to the second electrode of the light emitting structure in a corresponding pixel unit, the heating control circuit is configured to control the second electrode of the light emitting structure in the corresponding pixel unit to generate heat so that the hardness of the deforming layer above the second electrode changes.

Optical measurement module, optical measurement circuit, and electronic device

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.

A DISPLAY SUBSTRATE, A DISPLAY APPARATUS, AND A METHOD FOR OPERATING THE DISPLAY APPARATUS

The present application discloses a display substrate having a display area including a plurality of subpixel regions and an inter-subpixel region. The display substrate includes an array of matrix of a plurality of subpixels. Each subpixel includes a subpixel region surrounded by multiple sections of the inter-sub-pixel region and at least one antenna is in the inter-subpixel region and configured to detect an electromagnetic wave signal.

DISPLAY PANEL, METHOD FOR DRIVING THE SAME, AND DISPLAY DEVICE

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. 1. A display panel , comprising: a plurality of detection circuits arranged in an array and configured to detect a touch and recognize a fingerprint;wherein each of the plurality of detection circuits comprises a control component, and a plurality of photosensitive recognition components arranged in an array;the plurality of photosensitive recognition components are configured to: receive optical signals when a touch occurs or a fingerprint is to be recognized, convert the optical signals into electric signals, and provide the electric signals to the control component; andthe control component is configured to: obtain the electric signals provided by the plurality of photosensitive recognition components; process and then output, in a process of recognizing the fingerprint, the electric signals provided by the plurality of photosensitive recognition components separately; and superimpose, in a process of detecting the touch, the electric signals provided by the plurality of photosensitive recognition components, and process and output an electric signal resulting from the superimposition.2. The display panel according to claim 1 , wherein ...

Pressure sensing assembly integrated with fingerprint identification function, driving method thereof, and display device

A pressure sensing assembly integrated with a fingerprint identification function includes a pressure sensing unit and a control unit. The pressure sensing unit includes a plurality of pressure sensing sub-units arranged in N rows and M columns, a pressure sensing processing sub-unit, and a fingerprint identification processing sub-unit, where N and M are each a positive integer. A pressure sensing sub-unit in an nth row and an mth column includes a pressure sensing module in the nth row and the mth column and a fingerprint identification module in the nth row and the mth column. The pressure sensing processing sub-unit and the fingerprint identification module in the nth row and the mth column are connected to the control unit, where n is a positive integer smaller than or equal to N, and m is a positive integer smaller than or equal to M. The control unit is configured to, upon the receipt of a pressure sensing indication signal, transmit a fingerprint identification control signal to ...

INTERACTION SYSTEM OF THREE-DIMENSIONAL SPACE AND METHOD FOR OPERATING SAME

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 interaction of the three-dimensional space. 1. An interaction system of three-dimensional space , comprising: an eye positioning device , a space positioning device , and a master control device , wherein:said eye positioning device is used for determining an eye position of an operator and an angle at which the eye is watching and for outputting the eye position and the angle to said master control device;said space positioning device is used for determining respective joint positions of the operator and for outputting the respective joint positions to said master control device;said master control device includes: a visual field space processor, an interaction space processor, an operating action processor, an interaction matching processor and an image processor;said visual field space processor being electrically connected to said eye positioning device, for determining visual field space according to the eye position of the operator and the angle at which ...

Piezoelectric detection circuit, array, pressure detection device and method

The present disclosure provides a piezoelectric detection circuit, an array, a pressure detection device and a method. The piezoelectric detection circuit comprises a constant current circuit, a dual-gate transistor, and a transmission circuit. The dual-gate transistor comprises a first gate, a second gate, a first electrode, and a second electrode. The first gate is configured to receive a first voltage signal. The second gate is configured to receive a bias voltage and a pressure. The first electrode is electrically connected to a first voltage terminal. The second electrode is configured to receive a constant current. The transmission circuit is configured to output a second voltage signal from the second electrode. A magnitude of the pressure is obtained according to an amplitude of the second voltage signal.

FORCE TOUCH DISPLAY PANEL, DETECTION METHOD THEREOF, AND DISPLAY APPARATUS

Embodiments of the present disclosure provide a force touch display panel, a detection method thereof, and a display apparatus. The force touch display panel includes: a substrate; a display structure disposed in a display area on the substrate; and a force common electrode layer, a piezoelectric material layer, and a force sense electrode layer, which are stacked in sequence over the display structure. The force sense electrode layer includes a force sense electrode configured for identifying different forces, and the force sense electrode additionally serves as a touch detection electrode configured for identifying a touch operation.

Force touch display panel, detection method thereof, and display apparatus

Embodiments of the present disclosure provide a force touch display panel, a detection method thereof, and a display apparatus. The force touch display panel includes: a substrate; a display structure disposed in a display area on the substrate; and a force common electrode layer, a piezoelectric material layer, and a force sense electrode layer, which are stacked in sequence over the display structure. The force sense electrode layer includes a force sense electrode configured for identifying different forces, and the force sense electrode additionally serves as a touch detection electrode configured for identifying a touch operation.

Light detecting device, light detecting method and display device

The light detecting device provided by the present disclosure includes a reset circuit, a photoelectric conversion circuit, a voltage follower circuit, a selection circuit, and a light fluctuation detecting circuit. The light fluctuation detecting circuit is connected to each of a light fluctuation detection control terminal, a photoelectric node and an input terminal of the voltage follower circuit. The light fluctuation detecting circuit is configured to enable or disable a connection between the photoelectric node and the input terminal of the voltage follower circuit. When the light fluctuation detecting circuit is turned off, a drain current of the light fluctuation detecting circuit may change as the brightness of light received by the light fluctuation detecting circuit changes. The voltage at the output node is used to determining brightness of light received by the photoelectric conversion circuit and whether is a fluctuation in the in the brightness of the light.

SIGNAL COLLECTING CIRCUIT, SIGNAL COLLECTING METHOD AND ELECTRONIC DEVICE

The present disclosure provides a signal collecting circuit, a signal collecting method and an electronic device. A signal collecting circuit includes: a bias voltage wire, multiple fingerprint pixel circuits and a photocurrent collecting module. Each fingerprint pixel circuit includes a photoelectric conversion unit connected to the bias voltage wire and configured to output a photocurrent signal to the bias voltage wire when light hits the photoelectric conversion unit. A photocurrent collecting module is connected to the bias voltage wire and configured to collect the photocurrent signals output by at least part of the photoelectric conversion unit through the bias voltage wire. 1. A signal collecting circuit , comprising:a bias voltage wire;a plurality of fingerprint pixel circuits, each fingerprint pixel circuit comprising a photoelectric conversion unit, connected to the bias voltage wire and configured to output a photocurrent signal to the bias voltage wire when light hits the photoelectric conversion unit; anda photocurrent collecting module, connected to the bias voltage wire and configured to collect the photocurrent signals output by at least part of the photoelectric conversion units through the bias voltage wire.2. The circuit of claim 1 , wherein claim 1 , the photocurrent collecting module comprises a power supply terminal claim 1 , a feedback circuit claim 1 , a voltage division circuit and a voltage regulator claim 1 , wherein claim 1 ,the voltage regulator comprises a control terminal, a first connection terminal and a second connection terminal, wherein the control terminal is connected to the feedback circuit, the first connection terminal is connected to the power supply terminal, the second connection terminal is connected to the voltage division circuit, the voltage division circuit is connected to a grounding terminal and the feedback circuit, and a bias voltage point between the second connection terminal and the voltage division circuit is ...

DISPLAY MODULE, TOUCH METHOD AND TERMINAL

A display module, a touch method and a terminal are disclosed. The display module includes: a signal reading mechanism; a fingerprint collection mechanism comprising a plurality of pixel circuits, the plurality of pixel circuits being divided into a plurality of groups, each group of pixel circuits being connected to the signal reading mechanism, a first switching unit being provided on a connection line of at least one group of pixel circuits and the signal reading mechanism; and a control mechanism respectively connected to the first switching unit and the signal reading mechanism respectively, wherein the control mechanism is configured to control at least one group of pixel circuits to be connected to the signal reading mechanism through the first switching unit, and to control the signal reading mechanism to read fingerprint signals collected by the at least one group of pixel circuits connected to the signal reading mechanism.

DROPLET CONTROL AND DETECTION DEVICE, OPERATING METHOD THEREOF, AND MICROFLUIDIC DEVICE

A droplet control and detection device and an operating method thereof are provided. The droplet control and detection device includes: a light source; a first electrode; a second electrode; a droplet arranged on a light-exiting side of the light source, where the droplet is movable under the effect of an electric field formed between the first electrode and the second electrode; a photoelectric detection structure configured to detect light emitted by the light source and reflected by the droplet; and a processing circuit configured to obtain droplet information according to a detection result of the photoelectric detection structure and control an electrical signal applied on the first electrode and the second electrode according to the droplet information. 1. A droplet control and detection device , comprising:a light source;a first electrode;a second electrode;a droplet arranged on a light-exiting side of the light source, wherein the droplet is movable under the effect of an electric field formed between the first electrode and the second electrode;a photoelectric detection structure, configured to detect light emitted by the light source and reflected by the droplet; anda processing circuit, configured to obtain droplet information according to a detection result of the photoelectric detection structure and control an electrical signal applied on the first electrode and the second electrode according to the droplet information.2. The droplet control and detection device according to claim 1 , wherein the droplet information comprises at least one of a position parameter claim 1 , an appearance parameter and a component parameter of the droplet.3. The droplet control and detection device according to claim 1 , further comprising:a first hydrophobic layer and a second hydrophobic layer oppositely arranged and on the light-exiting side of the light source, wherein the first hydrophobic layer and the second hydrophobic layer are spaced by a predetermined distance, ...

TEMPERATURE DETECTION CIRCUIT, TEMPERATURE SENSOR DEVICE AND DISPLAY DEVICE

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. 1. A temperature detection circuit , comprising: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; anda low pass filter, an input terminal of the low pass filter being connected with an output terminal of the monostable trigger.2. The temperature detection circuit according to claim 1 , further comprising a differential circuit; wherein the first output terminal of the first comparator is connected with the input terminal of the monostable trigger through the differential circuit.3. The temperature detection circuit according to claim 2 , wherein claim 2 ,the monostable trigger comprises a second comparator, a first capacitor, a first thin film transistor, a second thin film transistor and a Zener diode, the second comparator having a second negative input terminal, a second ...

ARRAY SUBSTRATE, DISPLAY PANEL, DISPLAY DEVICE AND METHOD FOR MANUFACTURING ARRAY SUBSTRATE

The present application provides in some embodiments an array substrate, a display panel, a display device and a method for manufacturing the array substrate. The present application provides in some embodiments an array substrate, the array substrate comprising: an ultrasonic emission sensor, a substrate over the ultrasonic emission sensor, a thin film transistor (TFT) pixel circuit layer over the glass substrate, and an ultrasonic reception sensor over the TFT pixel circuit layer, the ultrasonic reception sensor being electrically connected to the TFT pixel circuit layer, wherein projections of the ultrasonic emission sensor and the ultrasonic reception sensor in a direction perpendicular to the substrate do not overlap with each other. 1. An array substrate , the array substrate including a display area and a non-display area , the array substrate comprising:an ultrasonic emission sensor;a substrate over the ultrasonic emission sensor;a pixel circuit layer over the substrate; andan ultrasonic reception sensor over the pixel circuit layer, the ultrasonic reception sensor being electrically connected to the pixel circuit layer;wherein projections of the ultrasonic emission sensor and the ultrasonic reception sensor in a direction perpendicular to the substrate do not overlap with each other.2. The array substrate according to claim 1 , wherein the ultrasonic emission sensor comprises:a first drive electrode layer;a first piezoelectric layer over the first drive electrode layer; anda second drive electrode layer over the first piezoelectric layer.3. The array substrate according to claim 2 , wherein a material of the first piezoelectric layer in the display area is the same as a material of the first piezoelectric layer in the non-display area claim 2 , and a thickness of the first piezoelectric layer in the display area is less than a thickness of the first piezoelectric layer in the non-display area.4. The array substrate according to claim 2 , wherein a thickness ...

MICROFLUIDIC SYSTEM AND METHOD FOR DRIVING THE SAME

A microfluidic system includes a liquid drop accommodation space, an array of photosensitivity detection circuits and an array of driving circuits between an upper substrate and a lower substrate. Each photosensitivity detection circuit includes a photosensitive transistor and a first gating transistor. The photosensitive transistor has a gate electrode coupled to a first scan signal line, a source electrode coupled to a first power supply voltage signal line, and a drain electrode coupled to a source electrode of the first gating transistor. The first gating transistor has a gate electrode coupled to a second scan signal line, and a drain electrode coupled to a read signal line. Each driving circuit includes a driving transistor and a driving electrode. The driving transistor has a gate electrode coupled to a third scan signal line, a source electrode coupled to a data signal line, and a drain electrode coupled to the driving electrode. 1. A microfluidic system comprising:an upper substrate;a lower substrate that is opposite to the upper substrate;a liquid drop accommodation space between the upper substrate and the lower substrate;a first hydrophobic layer at an outermost surface of the upper substrate, and the outermost surface of the upper substrate facing the liquid drop accommodation space;a second hydrophobic layer at an outermost surface of the lower substrate, and the outermost surface of the lower substrate facing the liquid drop accommodation space;a common electrode layer between the upper substrate and the lower substrate;an array of photosensitivity detection circuits between the lower substrate and the second hydrophobic layer; andan array of driving circuits between the lower substrate and the second hydrophobic layer;wherein each photosensitivity detection circuit includes a photosensitive transistor and a first gating transistor;wherein a gate electrode of the photosensitive transistor is coupled to a first scan signal line, a source electrode of ...

Imaging backplate, imaging device and electronic apparatus

An imaging backplate, an imaging device and an electronic apparatus are provided. The imaging backplate is used in a pinhole-imaging-based apparatus and includes a plate body, a plurality of photosensitive sensors, and a plurality of pixel circuits. The plate body is divided into a plurality of illumination subregions and a non-illumination region beyond the plurality of illumination subregions, the plurality of photosensitive sensors is in the plurality of illumination subregions and arranged in matrix, and the plurality of pixel circuits is arranged in the non-illumination region. Each of the plurality of photosensitive sensors is in a corresponding one of the plurality of illumination subregions and is connected to a corresponding one of the plurality of pixel circuits.

Array substrate and method of fabricating the same, display panel and display device

The present application provides an array substrate and a method of fabricating the same, a display panel and a display device. The array substrate is divided into a plurality of pixel regions, and each of the pixel regions is provided with a pixel thin film transistor (TFT). At least one of the pixel regions is provided with a pressure component and a force TFT, the force TFT includes a first electrode, a second electrode and a control electrode, and the pressure component is connected to one of the first electrode and the control electrode of the force TFT. At least one of layer structures of the pixel TFT is disposed in the same layer as a corresponding layer structure of the force TFT.

Touch Circuit, Touch Panel, Display Panel and Display Device

Provided is a touch circuit including first and second voltage input terminals, a pressure sensing circuit and an output circuit, the first voltage input terminal is configured to input a first voltage signal, the second voltage input terminal is configured to input a second voltage signal, the first voltage signal is different from the second voltage signal, an input terminal of the pressure sensing circuit is coupled to the first voltage input terminal, an output terminal of the pressure sensing circuit is coupled to an input terminal of the output circuit, a control terminal of the output circuit is configured to receive a control signal, and the output circuit is configured to control on/off state between the input terminal of the output circuit and the output terminal of the output circuit according to the control signal. A touch panel, a display panel and a display device are also provided.

TOUCH PANEL AND FINGERPRINT RECOGNITION METHOD AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE

The present disclosure provides a touch panel, a fingerprint recognition method thereof, a method for manufacturing a touch panel and a display device. The touch panel includes multiple driving electrode groups and multiple, sensing electrodes which are intersected with and insulated from each other, each of the driving electrode groups comprises a plurality of driving electrodes, each driving electrodes is coupled to a scanning line, and the method includes: a first scanning step of performing a first scanning on each of the driving electrode groups by using scanning lines to detect a sensing signal generated by a sensing electrode being touched; a determining step of determining a driving electrode group being touched according to the detected sensing signal; a second scanning step of sequentially performing a second scanning on the driving electrodes in the determined driving electrode group being touched to obtain a valley or a ridge of a fingerprint. 116-. (canceled)17. A fingerprint recognition method for a touch panel , wherein the touch panel comprises a plurality of driving electrode groups and a plurality of sensing electrodes which are intersected with and insulated from each other , each of the driving electrode groups comprises a plurality of driving electrodes , and each of the driving electrodes is coupled to a scanning line , the method comprises:a first scanning step of performing a first scanning on each of the driving electrode groups by using scanning lines to detect a sensing signal generated by a sensing electrode being touched;a determining step of determining a driving electrode group being touched according to the detected sensing signal; anda second scanning step of sequentially performing a second scanning on the driving electrodes in the determined driving electrode group being touched to obtain a valley or a ridge of a fingerprint.18. The fingerprint recognition method of claim 17 , wherein the second scanning step further comprises:a ...

PIEZORESISTIVE DETECTION CIRCUIT, PIEZORESISTIVE DETECTION SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE

Embodiments of the present disclosure relate to a piezoresistive detection circuit, a piezoresistive detection substrate, a display panel and a display device. The piezoresistive detection circuit includes a first transistor, a second transistor, a fixed resistor, and a pressure sensitive resistor. 1. A piezoresistive detection circuit , comprising:a first transistor, a second transistor, a fixed resistor, and a pressure sensitive resistor;wherein a first end of the fixed resistor is connected with a first voltage signal terminal, and a second end of the fixed resistor is connected with a first node;a first end of the pressure sensitive resistor is connected with the first node, and a second end of the pressure sensitive resistor is grounded;a gate electrode of the first transistor is connected with the first node, a source electrode of the first transistor is connected with a second voltage signal terminal, and a drain electrode of the first transistor is connected with a source electrode of the second transistor;a gate electrode of the second transistor is connected with a scanning signal line, and a drain electrode of the second transistor is connected with a readline.2. The piezoresistive detection circuit according to claim 1 , wherein the first end and the second end of the pressure sensitive resistor are in a turned-off state when no pressure is applied claim 1 , a resistance value of the pressure sensitive resistor decreases as a pressure applied to the pressure sensitive resistor is increased.3. A piezoresistive detection substrate claim 1 , comprisinga base substrate, a plurality of piezoresistive detection circuits disposed in a detection region of the base substrate, a plurality of readlines and a plurality of scanning signal lines; wherein,each of the plurality of piezoresistive detection circuits includes:a first transistor, a second transistor, a fixed resistor and a pressure sensitive resistor;wherein a first end of the fixed resistor is connected ...

Piezoelectric detection circuit, array, pressure detection device and method

The present disclosure provides a piezoelectric detection circuit, an array, a pressure detection device and a method. The piezoelectric detection circuit comprises a constant current circuit, a dual-gate transistor, and a transmission circuit. The dual-gate transistor comprises a first gate, a second gate, a first electrode, and a second electrode. The first gate is configured to receive a first voltage signal. The second gate is configured to receive a bias voltage and a pressure. The first electrode is electrically connected to a first voltage terminal. The second electrode is configured to receive a constant current. The transmission circuit is configured to output a second voltage signal from the second electrode. A magnitude of the pressure is obtained according to an amplitude of the second voltage signal.

Display device, pixel correction circuit and pixel correction method

A pixel correction circuit includes a signal input circuit, a follower and a reading circuit. The signal input circuit is used to apply a first signal and a second signal to the follower in a correction mode. An input terminal of the follower is coupled to the signal input circuit. The follower is used to receive the first signal and the second signal sequentially, output a first follow-up signal dependent on the first signal, and output a second follow-up signal dependent on the second signal. The reading circuit is coupled to an output terminal of the follower, and reads the first follow-up signal and then generates a first read signal, and reads the second follow-up signal and then generates a second read signal. The reading circuit uses the first signal, the second signal, the first read signal and the second read signal to calculate a compensation gain.

LIGHT SENSOR MODULE, METHOD FOR ACQUIRING LIGHT SENSOR DATA, AND ELECTRONIC EQUIPMENT

A light sensor module includes a substrate. A first detection region is provided on the substrate. At least one photosensitive device is provided inside the first detection region. The at least one photosensitive device is adapted to collecting first light sensor data from the first detection region under current incident light. The first light sensor data are used for determining whether light sensor data collected by the light sensor module under the current incident light are to be compensated. 1. A light sensor module , comprising a substrate , wherein:a first detection region is provided on the substrate;at least one photosensitive device is provided in the first detection region;the at least one photosensitive device is configured to collecting first light sensor data from the first detection region under current incident light; andthe light sensor module is configured to determine, based on the first light sensor data, whether light sensor data collected by the light sensor module under the current incident light are to be compensated.2. The light sensor module of claim 1 , wherein:the substrate further comprises a second detection region; andthe first detection region is provided outside the second detection region.3. The light sensor module of claim 2 , wherein:the first detection region comprises at least one sub detection region; andthe at least one sub detection region is provided respectively at a vertex of the second detection region.4. The light sensor module of claim 2 , wherein:a number of photosensitive devices are provided inside the second detection region; andan area of a photosensitive device is greater than an area of a photosensitive device.5. The light sensor module of claim 4 , wherein:the at least one photosensitive device comprises multiple photosensitive devices;gate lines of the multiple photosensitive devices are connected to each other; anddata lines of the multiple photosensitive devices are connected to each other.6. The light ...

IMAGE STITCHING METHOD, IMAGE STITCHING APPARATUS, DISPLAY APPARATUS, AND COMPUTER PRODUCT

The present application provides an image stitching method. The image stitching method includes acquiring a first depth image a present frame of image obtained by a first camera; acquiring a second depth image of the present frame of image obtained by a second camera, the second depth image and the first depth image parlay overlapping with each other; converting the first depth image in a first camera coordinate system defined by the first camera into a third depth image in a second camera coordinate system defined by the second camera; and stitching the third depth image with the second depth image to obtain a stitched image. 1. An image stitching method , comprising:acquiring a first depth image of a present frame of image obtained by a first camera;acquiring a second depth image of the present frame of image obtained by a second camera, the second depth image and the first depth image partially overlapping with each other;converting the first depth image in a first camera coordinate system defined by the first camera into a third depth image in a second camera coordinate system defined by the second camera; andstitching the third depth image with the second depth image to obtain a stitched image.2. The image stitching method of claim 1 , wherein converting the first depth image in the first camera coordinate system defined by the first camera into the third depth image in the second camera coordinate system defined by the second camera comprises:determining a mean depth value of one of the first depth image and the second depth image;determining a point cloud space coordinate transformation matrix based on the mean depth value;projecting the first depth image into a first camera coordinate system defined by the first camera to form a first three-dimensional point cloud image in the first camera coordinate system;projecting the first three-dimensional point cloud image into a second camera coordinate system defined by the second camera to form a second three- ...

ELECTRICAL SIGNAL DETECTION MODULE, DRIVING METHOD, PIXEL CIRCUIT AND DISPLAY DEVICE

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. The discharge switching sub-circuitry is configured to enable a first end of the gain capacitive sub-circuitry connected to the gain switching sub-circuitry to be electrically connected to, or electrically disconnected from, a second end of the gain capacitive sub-circuitry in accordance with the discharge switching signal. 1. An electrical signal detection module for use in a pixel compensation circuitry , wherein each pixel sub-circuitry is configured to drive a light-emitting element , and the pixel compensation circuitry comprises a read line , whereinthe electrical signal detection module comprises a photoelectrical signal application circuitry, an operational amplifier, a gain control circuitry and a master control circuitry;the photoelectrical signal application circuitry comprises a photoelectrical signal output end;the photoelectrical signal application circuitry is configured to apply an electrical signal corresponding to an optical signal from the light-emitting element via the photoelectrical signal ...

IMAGE RECOGNITION DEVICE AND TOUCH PANEL

The present disclosure relates to image recognition devices and touch panels. An image recognition apparatus comprises a plurality of depth cameras including a plurality of depth camera units, each depth camera including two depth camera units, wherein the plurality of depth camera units is arranged in an array on a same substrate. According to the image recognition devices and touch panels of the embodiments, the accuracy of the depth detection can be improved. 1. An image recognition apparatus comprising:a plurality of depth cameras including a plurality of depth camera units;wherein the plurality of depth camera units is arranged in an array on a same substrate.2. The image recognition apparatus of claim 1 , wherein the plurality of depth cameras is configured to acquire a plurality of local images of different depth ranges and different local field spaces.3. The image recognition apparatus according to claim 2 , further comprising:an image recognition processor connected respectively to the plurality of depth camera units for performing depth image calculation on multiple ones of the local images, and mosaicing in a depth direction and a field direction.4. The image recognition apparatus according to claim 3 , wherein the image recognition processor comprises:a calculation sub-processor connected respectively to the plurality of depth camera units for performing depth image calculation on multiple ones of the local images by using a binocular depth detection algorithm to obtain a plurality of local depth images.5. The image recognition apparatus according to claim 4 , wherein the image recognition processor further comprises:a depth mosaic sub-processor connected to the calculation sub-processor for performing an extraction on the plurality of local depth images and mosaicing in the depth direction, according to at least preset depth ranges of the depth cameras, to obtain a plurality of local longitudinal depth images.6. The image recognition apparatus according ...

SUBSTRATE AND SENSING METHOD THEREOF, TOUCH PANEL AND DISPLAY DEVICE

The disclosure provides a substrate and a sensing method thereof, a touch panel and a display device. The substrate comprises at least two sensing layers, wherein any two of the at least two sensing layers are a first sensing layer and a second sensing layer, respectively; and, the first sensing layer comprises an array of first sensing units, and the second sensing layer comprises an array of second sensing units, any one of the first sensing units within a sensing region is overlapped with more than one of the second sensing units, and any one of the second sensing units within the sensing region is overlapped with more than one of the first sensing units. 1. A substrate , comprising at least two sensing layers , each of which comprises an array of sensing units , the substrate further comprising a sensing region , wherein at least one portion of each of the sensing layers is in the sensing region , any two of the at least two sensing layers are a first sensing layer and a second sensing layer , respectively ,wherein the first sensing layer comprises an array of first sensing units, the second sensing layer comprises an array of second sensing units, any one of the first sensing units within the sensing region is overlapped with more than one of the second sensing units, and any one of the second sensing units within the sensing region is overlapped with more than one of the first sensing units.2. The substrate according to claim 1 , wherein the array of sensing units included in each of the at least two sensing layers are identical in at least one of the following aspects:the shape of each sensing unit,the size of each sensing unit,the central distance between two adjacent sensing units, andthe arrangement mode of sensing units.3. The substrate according to claim 2 , wherein the array of sensing units included in each of the at least two sensing layers are identical in the shape of each sensing unit claim 2 , the size of each sensing unit claim 2 , the central ...

PIXEL CIRCUIT, METHOD FOR DRIVING THE SAME, AND DISPLAY APPARATUS

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. 1. A pixel circuit , comprising:a display driving circuit comprising a driving sub-circuit and a light-emitting control sub-circuit wherein the light-emitting control sub-circuit is connected to the driving sub-circuit and an anode of a light-emitting device and is configured to provide driving current for causing the light-emitting device to emit light to the light-emitting device through the driving sub-circuit; andthe pixel circuit further comprises:a detection circuit connected to a read signal line and configured to collect incident light and output a collection result to the read signal line, wherein one or more transistors are shared between the detection circuit and the display driving circuit.2. The pixel circuit according to claim 1 , wherein the detection circuit is electrically connected between a constant power supply voltage terminal and the anode of the light-emitting device.3. The pixel circuit according to claim 2 , wherein the constant power supply voltage ...

TEMPERATURE SENSOR, ARRAY SUBSTRATE AND DISPLAY DEVICE

Provided are a temperature sensor, an array substrate, and a display device. In the temperature sensor, a low-pass filter is disposed between a ring oscillator and a comparator, so that a square-wave signal output from the ring oscillator passes through the low-pass filter and a high-frequency component in the square-wave signal output from the ring oscillator is directly filtered out by the low-pass filter, thereby improving a signal-to-noise ratio of the ring oscillator and a test accuracy of the temperature sensor. 1. A temperature sensor , comprising: a ring oscillator , a comparator , a low-pass filter disposed between the ring oscillator and the comparator , and a signal converter , whereina the ring oscillator is configured to output a square-wave signal;the low-pass filter is configured to filter out a high-frequency component in the square-wave signal output from the ring oscillator and output the filtered square-wave signal to the comparator;athe comparator is configured to compare a filtered square-wave signal input to the comparator with a reference signal, and output a comparison square-wave signal; andathe signal converter is coupled to the comparator and configured to convert the comparison square-wave signal output from the comparator into a temperature value.2. The temperature sensor according to claim 1 , whereinthe low-pass filter comprises a first capacitor;a first end of the first capacitor is coupled to an output terminal of the ring oscillator and a first input terminal of the comparator; anda second end of the first capacitor is grounded.3. The temperature sensor according to claim 1 , whereinthe low-pass filter comprises a second capacitor and a third transistor;a first end of the second capacitor is coupled to a drain electrode of the third transistor and a first input terminal of the comparator, and a second end of the second capacitor is grounded; anda gate electrode of the third transistor is coupled to a first-level signal terminal, and ...

FORCE TOUCH DISPLAY PANEL, DETECTION METHOD THEREOF, AND DISPLAY APPARATUS

Embodiments of the present disclosure provide a force touch display panel, a detection method thereof, and a display apparatus. The force touch display panel includes: a substrate; a display structure disposed in a display area on the substrate; and a force common electrode layer, a piezoelectric material layer, and a force sense electrode layer, which are stacked in sequence over the display structure. The force sense electrode layer includes a force sense electrode configured for identifying different forces, and the force sense electrode additionally serves as a touch detection electrode configured for identifying a touch operation. 1. A force touch display panel comprising:a substrate;a display structure disposed in a display area on the substrate; anda force common electrode layer, a piezoelectric material layer, and a force sense electrode layer, which are stacked in sequence over the display structure,wherein the force sense electrode layer comprises a force sense electrode configured for identifying different forces, and the force sense electrode additionally serves as a touch detection electrode configured for identifying a touch operation.2. The force touch display panel of claim 1 , wherein:the force sense electrode layer comprises a plurality of said force sense electrodes insulated from one another.3. The force touch display panel of claim 1 , further comprising:a first insulating layer disposed between the force common electrode layer and the piezoelectric material layer; and/or a second insulating layer disposed between the piezoelectric material layer and the force sense electrode layer.4. The force touch display panel of claim 1 , wherein:the display structure is an organic light-emitting diode;the force touch display panel further comprises: a packaging film disposed over the organic light-emitting diode; andthe packaging film is disposed between the organic light-emitting diode and the force common electrode layer; or the packaging film is ...

Microfluidic device, driving method thereof, and microfluidic system

The present disclosure provides a microfluidic device, a driving method thereof and a microfluidic system. The microfluidic device includes a first substrate and a second substrate disposed opposite to each other, and a microcavity provided between the first and second substrates for accommodating droplets. The microfluidic device further includes at least one ultrasonic layer provided between the first and second substrates. The at least one ultrasonic layer includes a plurality of ultrasonic sensors configured to perform at least one of detection operation and driving operation to the droplets accommodated in the microcavity.

Touch circuit, touch panel, display panel and display device

Provided is a touch circuit including first and second voltage input terminals, a pressure sensing circuit and an output circuit, the first voltage input terminal is configured to input a first voltage signal, the second voltage input terminal is configured to input a second voltage signal, the first voltage signal is different from the second voltage signal, an input terminal of the pressure sensing circuit is coupled to the first voltage input terminal, an output terminal of the pressure sensing circuit is coupled to an input terminal of the output circuit, a control terminal of the output circuit is configured to receive a control signal, and the output circuit is configured to control on/off state between the input terminal of the output circuit and the output terminal of the output circuit according to the control signal. A touch panel, a display panel and a display device are also provided.

Fingerprint detecting device, fingerprint detecting circuit and driving method thereof, and display apparatus

The present disclosure provides a fingerprint detecting device, including: a photosensitive sensing component, a first electrode of which is coupled to a reference signal terminal, a second electrode of which is coupled to a pull-down node; a reset component, coupled to a reset terminal and the pull-down node, configured to reset the pull-down node in a first stage; a voltage output component, coupled to the pull-down node, a selection terminal and an output terminal of the fingerprint detecting device, configured to output a voltage signal to the output terminal of the fingerprint detecting device according to the potential of the pull-down node, the first stage to a second stage, an amount of change in a voltage signal output to the output terminal of the fingerprint detecting device is positively correlated with an amount of change in the potential of the pull-down node.

Display panel and control method thereof, electronic device

The present invention provides a display panel and a control method thereof, and an electronic device. The display panel includes a control module and an active pixel sensor array connected to the control module. The active pixel sensor array includes multiple pixel circuits arranged in multiple rows. The pixel circuit includes: a photoelectric conversion module, a signal output terminal, a voltage control terminal, a gating module, a pre-discharging module. The control module is configured to control the gating module in a current row to turn on, read a voltage signal outputted from the signal output terminal in the current row, generate a reference voltage signal according to the voltage signal, and before the gating module in a next row is turned on, output the reference voltage signal to the voltage control terminal in the next row and control the pre-discharging module in the next row to turn on.

Light sensor module, method for acquiring light sensor data, electronic equipment, and storage medium

Fingerprint detection module, electronic device, detection method and apparatus, and storage medium

The fingerprint detection module having at least one fingerprint identification component and an acquisition component. The fingerprint identification component includes a reset unit, a photosensitive unit, and a follower unit. The reset unit switches a voltage at an output end of the photosensitive unit to an initial voltage according to a reset signal. The photosensitive unit receives reflected light of a to-be-detected fingerprint and accumulates charges, outputs a first electrical signal according to a received pulse control signal at a first level, and outputs a second electrical signal according to a next received pulse control signal at the first level. The follower unit receives the first electrical signal and forms a first voltage, and receives the second electrical signal and forms a second voltage. Further, the acquisition component receives the first voltage and the second voltage, and acquires the fingerprint according to a difference between the second and first voltage.

Fingerprint detection assembly, display panel and electronic apparatus

A fingerprint detection assembly includes a plurality of fingerprint pixel circuits and a signal reading device. The plurality of fingerprint pixel circuits are arranged in multiple rows and multiple columns, each column of the fingerprint pixel circuits are divided into a plurality of column fingerprint pixel units along a longitudinal direction. Each of the plurality of the column fingerprint pixel units is connected to the signal reading device through a respective data line. The signal reading device is configured to read the fingerprint signals which are collected by the fingerprint pixel circuits.

Terminal device

The present disclosure provides a terminal device. The terminal device includes a touch display layer, a fingerprint detection layer, and a shielding layer. The touch display layer includes a touch display surface. The fingerprint detection layer is arranged on a side of the touch display layer opposite the touch display surface. The shielding layer is arranged on the side of the touch display layer opposite the touch display surface. A part of the shielding layer corresponding to the fingerprint detection layer is located on a side of the fingerprint detection layer opposite the touch display layer. The shielding layer includes an electromagnetic shielding layer connected to a grounding end of the terminal device, and at least a part of the electromagnetic shielding layer is located on the side of the fingerprint detection layer opposite the touch display layer.

光センサモジュール、光感知データ取得方法、電子機器、記憶媒体

【課題】光センサモジュール、光感知データ取得方法、電子機器、記憶媒体の提供。【解決手段】本開示は、光センサモジュール、光感知データ取得方法、電子機器、記憶媒体に関する。光センサモジュールは、基板を含み、前記基板には第１検出領域が設けられ、前記第１検出領域には、少なくとも１つの感光デバイスが設けられ、前記光センサモジュールによって収集された前記第１検出領域の現在の入射光での光感知データを補償するために、前記感光デバイスは、前記第１検出領域の現在の入射光での光感知データを収集するように構成され、前記光感知データは、現在の入射光の下で前記光センサモジュールによって収集された光感知データを補償するかどうかを決定するために使用される。【選択図】図１

Fingerprint detection module, display panel and electronic device

A fingerprint detection module, a display panel and an electronic device are provided. The fingerprint detection module (100) includes a plurality of fingerprint pixel circuits (110) and a signal reading module (120). The plurality of fingerprint pixel circuits (110) are arranged in multiple rows and multiple columns, each column of the fingerprint pixel circuits (110) are divided into a plurality of column fingerprint pixel units (111) along a longitudinal direction (11). Each of the plurality of the column fingerprint pixel units (111) is connected to the signal reading module (120) through a respective data line (131). The signal reading module (120) is configured to read the fingerprint signals which are collected by the fingerprint pixel circuits (110).

Fingerprint detection module, electronic device, and detection method and apparatus

The fingerprint detection module includes at least one fingerprint identification component and an acquisition component. The fingerprint identification component includes a reset unit, a photosensitive unit, and a follower unit. The reset unit switches a voltage at an output end of the photosensitive unit to an initial voltage according to a reset signal. The photosensitive unit receives reflected light of a to-be-detected fingerprint and accumulates charges, outputs a first electrical signal according to a received pulse control signal at a first level, and outputs a second electrical signal according to a next received pulse control signal at the first level. The follower unit receives the first electrical signal and forms a first voltage, and receives the second electrical signal and forms a second voltage. Further, the acquisition component receives the first voltage and the second voltage, and acquires the fingerprint according to a difference between the second and first voltage.

Fingerprint detection assembly, display panel and electronic apparatus

A fingerprint detection assembly includes a plurality of fingerprint pixel circuits and a signal reading device. The plurality of fingerprint pixel circuits are arranged in multiple rows and multiple columns, each column of the fingerprint pixel circuits are divided into a plurality of column fingerprint pixel units along a longitudinal direction. Each of the plurality of the column fingerprint pixel units is connected to the signal reading device through a respective data line. The signal reading device is configured to read the fingerprint signals which are collected by the fingerprint pixel circuits.

Microfluidic detection circuit and driving method thereof, and microfluidic apparatus

Microfluidic detection circuit and driving method thereof, and microfluidic apparatus

A microfluidic circuit and apparatus for both detecting and driving droplets are provided. The microfluidic circuit includes a detection capacitor (Cc), 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 (Cc) 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 (Cc) to thereby drive the droplet to move in the electrical field.

Microfluidic detection circuit and driving method thereof, and microfluidic apparatus

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.

Microfluidic detection circuit and driving method thereof, and microfluidic apparatus

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.

Touch control methods and electronic device

A touch control method is applied to a touch drive module of a terminal device. The terminal device includes an application processor. The method includes: receiving a vertical synchronization signal; collecting position information corresponding to a touch operation; determining a reporting frequency of the position information based on the vertical synchronization signal, such that the position information is reported once in one signal interval, the signal interval being an interval between two adjacent vertical synchronization signals; and reporting the position information the application processor based on the reporting frequency.

Touch control method and apparatus, electronic device and storage medium

A touch control method is applied to a touch drive module of a terminal device. The terminal device includes an application processor and a display drive module. A vertical synchronization signal is received. Position information corresponding to a touch operation is collected. A reporting frequency of the position information is determined based on the vertical synchronization signal, such that the position information is reported once in one signal interval. The signal interval is an interval between two adjacent vertical synchronization signals. The position information is reported to the application processor based on the reporting frequency. By matching the reporting frequency of the position information with the vertical synchronization signal, the position information is reported once within one signal interval, such that the report rate is lowered, the uniformity of reporting is ensured, interrupted steps of the application processor are decreased, and the power consumption of the terminal device is reduced.

Image stitching method, image stitching apparatus, display apparatus, and computer product

An image stitching method is provided. The image stitching method includes acquiring a first depth image of a present frame of image obtained by a first camera; acquiring a second depth image of the present frame of image obtained by a second camera, the second depth image and the first depth image partially overlapping with each other; converting the first depth image in a first camera coordinate system defined by the first camera into a third depth image in a second camera coordinate system defined by the second camera; and stitching the third depth image with the second depth image to obtain a stitched image.

Display panel and control method thereof, electronic device