Abstract: An audio device and working method thereof, and a VR device are provided, and pertain to the field of space audio technologies. The audio device includes: a sound chamber; at least one speaker located within the sound chamber; an acquisition unit, configured to respectively obtain audio data and a target ear spectral curve HRTF at a position of a virtual sound source corresponding to the audio data; a computing unit, configured to process the audio data based on the target HRTF, generate a target sound signal, and output the target sound signal to the speaker. The technical solutions of the present disclosure can simulate three-dimensional sound production in space and create a sense of spatial immersion.

Abstract: Provided is a wearable display device. The wearable display device includes a display panel, comprising a display region and a peripheral region surrounding the display region; a plurality of light-emitting elements, configured to emit light to be irradiated to eyes of a user; a lens assembly, disposed on a light-exiting side of the display panel, the lens assembly comprising a lens mount and a lens within the lens mount, a light transmittance of the lens mount being greater than a threshold; and a plurality of photoelectric sensor assemblies in the peripheral region.

Abstract: An image acquisition method applied to a first electronic device, and the first electronic device includes N first cameras, N being an integer greater than or equal to 3. The image acquisition method includes: firstly, receiving, by the first electronic device, first position information from a second electronic device, the first position information being position information of eyes of a viewer of the second electronic device; then, selecting, by the first electronic device, K first cameras from the N first cameras based on the first position information, K being an integer greater than or equal to 2 and less than N; then, acquiring, by the first electronic device, images by using the K first cameras.

Abstract: Disclosed are a display substrate, a display panel and a display apparatus. The display substrate includes a base substrate; a plurality of read signal lines, extending on the base substrate in a first direction; a plurality of display signal lines, extending on the base substrate in a second direction, the second direction intersects with the first direction, the plurality of display signal lines and the plurality of read signal lines are arranged on different layers, there is an overlapped region between an orthographic projection of the plurality of display signal lines on the base substrate and an orthographic projection of the plurality of read signal lines; and a shielding layer, located between a layer where the plurality of read signal lines are and a layer where the plurality of display signal lines are, an orthographic projection of the shielding layer on the base substrate at least covers the overlapped region.

Abstract: A display panel is provided, including: a base substrate; a pixel circuit on the base substrate, the pixel circuit includes a transistor including an active layer, a gate electrode, a first electrode and a second electrode; and a fingerprint recognition circuit including a photosensitive circuit, a storage circuit and an output circuit, the storage circuit includes a first capacitor including a first capacitance electrode and a second capacitance electrode; the first capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first capacitor or the second electrode, and/or, the second capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first electrode or the second electrode; the first capacitance electrode is located in a layer different from a layer where the second capacitance electrode is located.

Abstract: An electronic device includes a pixel layer, an image display control apparatus, a photosensitive layer, and a processor. The pixel layer includes a plurality of pixel units configured to display an image. The image display control apparatus is configured to control the plurality of pixel units to sequentially display at least one corresponding first image according to at least one first image signal. The photosensitive layer is configured to receive a reflected light formed after an emergent light emitted from the pixel layer when displaying one first image at each time is reflected by an object to be photographed, and to convert the reflected light received at each time into a second image signal. The processor is configured to determine an image of the object to be photographed according to the at least one first image signal and second image signals corresponding to the at least one first image signal.

Abstract: Provided is a display device including a display panel and a plurality of photoelectric sensor assemblies. The display panel includes a display region, a first region disposed outside the display region and extending along a first direction, and a second region disposed outside the display region and extending along a second direction, wherein the first direction is intersected with the second direction. Each of the photoelectric sensor assemblies is provided with a strip-shaped photosensitive region. One portion of the plurality of photoelectric sensor assemblies are disposed in the first region, the other portion of the photoelectric sensor assemblies are disposed in the second region. Each of the photoelectric sensor assemblies is configured to receive an optical signal reflected via eyes of a user and convert the optical signal into an electric signal.

Abstract: The present disclosure discloses a method and system for transmitting light field data and a light field communication apparatus, wherein the light field communication apparatus can process first light field data acquired by at least one target camera corresponding to a first gaze point location and transmit the first light field data to the light field display apparatus based on the first gaze point location fed back by the light field display apparatus. The light field display apparatus may in turn perform light field display based on the first light field data on the light field display screen thereof.

Abstract: The present disclosure provides an ultrasonic imaging method and apparatus. The apparatus includes an ultrasonic signal emission source and a receiving array including ultrasonic signal receiving circuits; the method includes: turning on the source to perform emission of ultrasonic waves toward an object to be detected and causing the ultrasonic waves to propagate through the object, a depth-wise direction of which is along a propagation direction of the ultrasonic waves; after a first predetermined time period having elapsed since the source was turned on, turning on the receiving array to receive reflected echoes returning from a first section plane of the object to be detected perpendicular to the depth-wise direction; thereafter, turning off the receiving array, storing the reflected echoes by the ultrasonic signal receiving circuits and acquiring reflected echo signals, and successively reading the reflected echo signals from the ultrasonic signal receiving circuits during a reading time period.

Abstract: A photoelectric detection circuit, a method of controlling the photoelectric detection circuit and a pixel unit are provided. The photoelectric detection circuit includes: a detection sub-circuit configured to generate a current flowing between a bias voltage signal terminal and a input node in response to an optical signal; a storage sub-circuit connected between the bias voltage signal terminal and the input node, and configured to store energy based on the current generated by the detection sub-circuit; an integrator sub-circuit having a first input terminal, a second input terminal and an output terminal, and configured to integrate a signal of the first input terminal based on a potential of the second input terminal to generate an integrated signal and output the integrated signal at the output terminal; and a control sub-circuit connected to a control signal terminal, the input node and the first input terminal of the integrator sub-circuit.

Abstract: A gesture recognizing method, an interactive method, a gesture interactive system, an electronic device, and a non-transitory computer-readable storage medium are disclosed. The gesture recognizing method includes: acquiring a plurality of groups of images taken respectively at different photographing moments for a gesture action object, wherein each group of images includes at least one pair of corresponding depth map and grayscale map; and according to the plurality of groups of images, obtaining spatial information by using the depth map in each group of images, and obtaining posture information for the gesture action object by using the grayscale map in each group of the images, to recognize a dynamic gesture change of the gesture action object. The gesture recognizing method reduces the processing time as a whole, can quickly obtain gesture recognition results, reduce the system resource occupation, and ensure the real-time gesture interaction.

Abstract: A display substrate, a display apparatus, and a visible light communication system are disclosed. The display substrate includes an effective display region and a peripheral region surrounding the effective display region, the display substrate includes a base substrate, and a display unit, a light receiving unit, and a light emission unit on the base substrate. The display unit is in the effective display region and includes multiple light emitting sub-pixels; the light receiving unit is in at least one of a first light transceiving region and a second light transceiving region, the light emission unit is in at least one of a first light transceiving region and a second light transceiving region. The first light transceiving region is in the peripheral region and is an annular region surrounding the effective display region, and the second light transceiving region is between multiple light emitting sub-pixels of the effective display region.

Abstract: The present disclose provides a wearable display device and a method of determining a gaze position, relating to the field of virtual reality technology. Because the wearable display device has a high efficiency in processing electric signals transmitted by each of photoelectric sensor assemblies, the wearable display device may quickly determine the gaze position of eyes of a user on the display panel based on an electric signal transmitted by each of photoelectric sensor assemblies. In this way, the efficiency of displaying images by the display panel, and thus a higher refresh rate of the display panel is achieved.

Abstract: Disclosed are an ultrasonic probe, an ultrasonic apparatus and a detection method. The ultrasonic probe includes: multiple transmitting transducers; multiple receiving transducers, each receiving transducer includes a receiving component and an ultrasonic control circuit electrically connected with the receiving component, and the multiple receiving components are distributed in an array; and multiple scanning signal lines and multiple readout signal lines, each of the scanning signal lines is located in a row gap between adjacent receiving components, each of the readout signal lines is located in a column gap between adjacent receiving components, multiple receiving components in the same row are electrically connected with the same scanning signal line by means of corresponding ultrasonic control circuits, and multiple receiving components in the same column are electrically connected with the same readout signal line by means of corresponding ultrasonic control circuits.

Abstract: A display substrate includes a substrate, a plurality of photosensitive sensors disposed on a side of the substrate, and a first light guide layer disposed on a side of the plurality of photosensitive sensors away from the substrate. A material of the first light guide layer includes a light-shielding material. The first light guide layer is provided with a plurality of first through holes, and an orthographic projection of at least one first through hole on the substrate is located within a range of an orthographic projection of a photosensitive sensor of the plurality of first through holes on the substrate.

Abstract: The present disclosure provides a fingerprint identification driving circuit, a fingerprint identification circuit and a driving method thereof. The fingerprint identification driving circuit includes a shift register sub-circuit and an output sub-circuit. The output sub-circuit is configured to transmit a signal input from a first clock signal terminal to a scan signal output terminal of the output sub-circuit for outputting, in response to a signal input from a driving signal output terminal of the shift register sub-circuit; and is further configured to transmit a signal input from a first voltage signal terminal to the scan signal output terminal of the output sub-circuit for outputting, in response to a signal of a first node inside the shift register sub-circuit.

Abstract: The present disclosure provides a display device, a wearable display device, and method for determining gaze positions, and relates to the field of virtual reality technologies. Because the display device has a high efficiency in processing an electric signal transmitted by each of photoelectric sensor assemblies is high, the display device is capable of quickly determining a gaze position of eyes of a user on a display panel based on the electric signal transmitted by each of the photoelectric sensor assemblies. In this way, the efficiency of displaying images by the display panel is further improved, and thus a higher refresh rate of the display panel is achieved.

Abstract: A display panel is provided, including: a base substrate; a pixel circuit on the base substrate, the pixel circuit includes a transistor including an active layer, a gate electrode, a first electrode and a second electrode; and a fingerprint recognition circuit including a photosensitive circuit, a storage circuit and an output circuit, the storage circuit includes a first capacitor including a first capacitance electrode and a second capacitance electrode; the first capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first capacitor or the second electrode, and/or, the second capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first electrode or the second electrode; the first capacitance electrode is located in a layer different from a layer where the second capacitance electrode is located.

Abstract: A photoelectric detection circuit, a method of controlling the photoelectric detection circuit and a pixel unit are provided. The photoelectric detection circuit includes: a detection sub-circuit configured to generate a current flowing between a bias voltage signal terminal and a input node in response to an optical signal; a storage sub-circuit connected between the bias voltage signal terminal and the input node, and configured to store energy based on the current generated by the detection sub-circuit; an integrator sub-circuit having a first input terminal, a second input terminal and an output terminal, and configured to integrate a signal of the first input terminal based on a potential of the second input terminal to generate an integrated signal and output the integrated signal at the output terminal; and a control sub-circuit connected to a control signal terminal, the input node and the first input terminal of the integrator sub-circuit.

Abstract: The present disclosure provides an ultrasonic imaging method and apparatus. The apparatus includes an ultrasonic signal emission source and a receiving array including ultrasonic signal receiving circuits; the method includes: turning on the source to perform emission of ultrasonic waves toward an object to be detected and causing the ultrasonic waves to propagate through the object, a depth-wise direction of which is along a propagation direction of the ultrasonic waves; after a first predetermined time period having elapsed since the source was turned on, turning on the receiving array to receive reflected echoes returning from a first section plane of the object to be detected perpendicular to the depth-wise direction; thereafter, turning off the receiving array, storing the reflected echoes by the ultrasonic signal receiving circuits and acquiring reflected echo signals, and successively reading the reflected echo signals from the ultrasonic signal receiving circuits during a reading time period.