Abstract:
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.
Abstract:
The present disclosure relates to a fingerprint identification component and a display apparatus, which belongs to the field of fingerprint identification. The fingerprint identification component includes: a thin film transistor TFT array and a photovoltaic device array, the TFT array including a plurality of TFTs, the photovoltaic device array including a plurality of photovoltaic devices, the plurality of TFTs in the TFT array and the plurality of optoelectronic devices in the photovoltaic device array correspond to each other one by one, and each TFT in the TFT array is electrically connected to a corresponding photovoltaic device; and SG lines of any adjacent two TFTs in the TFT array do not coincide with each other, the SG line is a line where a center of a source electrode and a center of a drain electrode of the any one TFT are located.
Abstract:
The present disclosure relates to a touch driving circuit. The touch driving circuit may include a driving transistor. A control terminal of the driving transistor is configured to receive a data signal. A first terminal of the driving transistor is configured to receive a power signal. A second terminal of the driving transistor is connected to a first electrode of a light emitting element in the touch panel. The touch driving circuit may include a touch electrode configured to transmit a touch signal. The touch electrode forms parasitic capacitance with a second electrode of the light emitting element. The touch driving circuit may include a control unit configured to transmit a compensation signal to the second terminal of the driving transistor in response to a control signal. The power signal, the data signal, the touch signal, and the compensation signal are synchronously modulated signals during a touch stage.
Abstract:
The present disclosure provides a photoelectric sensor, an array substrate, a display panel and a display device. The photoelectric sensor is used for fingerprint recognition, and includes a first electrode layer, being lighttight. The photoelectric sensor further includes a first transparent electrode layer, disposed opposite to the first electrode layer and receiving incident light, and a light sensing layer, located between the first electrode layer and the first transparent electrode layer. The light sensing layer includes a plurality of nanocrystalline silicon particles with different particle sizes.
Abstract:
Disclosed are a texture recognition display device and a driving method. The texture recognition display device includes a plurality of first control signal lines and second control signal lines disposed in pairs. During a texture recognition period, the second control signal lines are loaded with a second control signal, the frequency of which is the same as that of a first control signal of the first control signal lines and the phase of which differs from that of the first control signal by 180 degrees. Thus, the noise interference of the first control signal of the first control signal line with a recognition output line may be counteracted, the signal-to-noise ratio of an obtained texture recognition signal can be improved, thereby improving the extraction precision of the texture recognition signal and detection precision.
Abstract:
Embodiments of the present invention provide a personal mobile terminal device with fingerprint identification function, comprising: a cover plate layer covering the front face of the personal mobile terminal device, comprising a first region corresponding to a display region and a second region except the first region; a fingerprint identification electrode pattern formed on the back face of a fingerprint identification functional region which is located in the second region of the cover plate layer; and a fingerprint identification chip which is electrically connected with the fingerprint identification electrode pattern. The fingerprint identification electrode pattern is formed on the back face of the cover plate layer, so that the whole panel is integrally formed, simplifying manufacturing process and improving aesthetics.
Abstract:
A display panel has a light exit side and includes an infrared light emitting unit for emitting infrared light towards the light exit side of the display panel; and at least three infrared light sensing units provided at different positions for detecting intensity of the infrared light emitted from the light exit side of the display panel and reflected by a human eye.
Abstract:
Embodiments of the present invention provide a personal mobile terminal device with fingerprint identification function, comprising: a cover plate layer covering the front face of the personal mobile terminal device, comprising a first region corresponding to a display region and a second region except the first region; a fingerprint identification electrode pattern formed on the back face of a fingerprint identification functional region which is located in the second region of the cover plate layer; and a fingerprint identification chip which is electrically connected with the fingerprint identification electrode pattern. The fingerprint identification electrode pattern is formed on the back face of the cover plate layer, so that the whole panel is integrally formed, simplifying manufacturing process and improving aesthetics.
Abstract:
A display device and an operation method of the display device are provided in the present disclosure. The display device includes a display screen a sound-generation driving module, and further includes an acoustic scanning module, arranged on a non-display side of the display screen and configured to determine a spatial contour of a space where the display device is located through acoustic scanning; a viewer position detection module, configured to detect viewer coordinates in the space where the display device is located; and a control module, configured to control the sound-generation driving module to generate sound in accordance with the spatial contour and the viewer coordinates.
Abstract:
The present disclosure provides a fingerprint identification structure and a display device. The fingerprint identification structure includes an acoustic wave emitter, a focus acoustic lens, and a sound wave receiver. The acoustic lens are between the acoustic wave emitter and the sound wave receiver, the acoustic wave emitter is at a focal position of the acoustic lens and configured to emit acoustic wave toward the acoustic lens, the acoustic wave receiver is configured to detect the intensity distribution of the acoustic wave emitted by the acoustic wave emitter after the acoustic wave sequentially passes through the acoustic lens and the acoustic wave receiver, reaches the surface of the finger and is reflected back by the surface of the finger. The fingerprint recognition structure improves design flexibility.