Abstract: An embodiment of the present application provides an optical fingerprint identification apparatus, which includes: at least one non-visible light source, configured to emit non-visible light to a human finger to provide excitation light for fingerprint identification; an optical component, disposed under a fingerprint detecting area of the display screen, and configured to receive signal light scattered and reflected by the human finger; and a fingerprint sensor configured to perform imaging based on the signal light passing through the optical component, where a working wave band of the fingerprint sensor is the same as a light emitting wave band of the non-visible light source, a number of the working wave bands is the same as the number of the light emitting wave bands, and the fingerprint sensor is connected to the non-visible light source, and is configured to control the non-visible light source to actively emit light.

Abstract: Devices and optical sensor modules are provided for on-screen optical sensing of fingerprints or other patterns by interleaving optical sensors with display pixels across a display panel for using a top surface above the display panel over the entire display surface as an optical sensing surface.

Abstract: A method for managing a virtual electronic card is applicable to a secure chip installed in a first terminal, and the method includes: receiving a management request from a trusted mobile application on the first terminal, the management request being used to manage a target virtual electronic card on the secure chip, and permissions of the virtual electronic card being configured by a chip operating system of the secure chip; determining, from the secure chip, a target card management program corresponding to the target virtual electronic card, the different virtual electronic cards corresponding to the different card management programs; sending the management request to the target card management program; and calling, through the target card management program, a card management command corresponding to the management request in a card management system on the secure chip, to manage the target virtual electronic card.

Abstract: A fingerprint detection apparatus includes a plurality of fingerprint detection units distributed in an array or disposed alternately, and each of the plurality of fingerprint detection units includes: one micro-lens configured to be disposed under the display screen; a plurality of optical sensing pixels, a center position of a photosensitive region of each of the plurality of optical sensing pixels being offset relative to a center position of the same optical sensing pixel; and at least one light shielding layer disposed between the one micro-lens and the plurality of optical sensing pixels, each of the at least one light shielding layer being provided with a hole corresponding to the plurality of optical sensing pixels. By offsetting photosensitive regions of the optical sensing pixels, the thickness of an optical fingerprint module can be reduced on the basis of improving a fingerprint identification effect on a dry finger.

Abstract: An electronic device and a method for detecting an intensity of ambient light are provided. The method includes: sensing a light intensity of incident light, wherein the incident light includes ambient light passed through the display screen and light leaked from the display screen; obtaining an estimated light intensity of the light leaked from the display screen based on display data of a target region of the display screen; computing based on the estimated light intensity and a temperature compensation coefficient corresponding to a current temperature of the display screen, to obtain a light intensity of the light leaked from the display screen; and obtaining a light intensity of the ambient light passed through the display screen based on the light intensity of the incident light and the light intensity of the light leaked from the display screen.

Abstract: A touch pad including a touch sensor, a force sensor, a printed circuit board, and a touch controller is provided. The touch sensor includes first and second touch electrode layers, and a first substrate. The first touch electrode layer is arranged above the second touch electrode layer through the first substrate. The force sensor is arranged below the touch sensor, and includes a support structure and at least one pressure electrode layer. The support structure is a deformable structure, and is configured to deform under the action of a pressure applied by a finger when pressing the touch pad to change a pressure sensing capacitance of a finger pressing region, and output a corresponding pressure sensing signal through the at least one pressure electrode layer. The printed circuit board is arranged below the force sensor. The touch controller is mounted and fixed to the printed circuit board.

Abstract: An image sensor, a fingerprint detection apparatus, and an electronic device are provided. The image sensor includes a pixel circuit array, wherein each pixel circuit is configured to generate an output signal according to a received light signal; and an output circuit is configured to simultaneously receive output signals of a plurality of pixel circuits in the pixel circuit array, and output a signal average value of the output signals of the plurality of pixel circuits. The image sensor has a small area and power consumption.

Abstract: A touchpad and an electronic device are disclosed. The touchpad includes a touch panel; a plurality of pressure sensors fixed to an elastic bracket and configured to detect a pressure applied on the touch panel; a piezoelectric ceramic assembly including a piezoelectric ceramic plate configured to provide a vibration feedback to a user, where the piezoelectric ceramic assembly is fixed below the touch panel in a suspended manner and spaced from the elastic bracket.

Abstract: Embodiments and methods perform ear cavity frequency response (EFCR) adaptive noise cancelation (ANC) with path-compensation over an entire main path to the eardrum (MPED) of a user. A number of ANC filter models are pre-trained to include respective anti-noise path (ANP) filter models and respective MPED filter models representing ANC filter configurations. As a user wears a headphone earpiece, characteristics of the wearer and the position/orientation of wearing manifest a wearer/wearing condition. Techniques described herein can continuously or periodically and efficiently determine which of the pre-trained ANC filter models most closely described the present MPED of the present wearer/wearing condition, and can continuously or periodically update the ANC filter configuration based on the pre-trained models to maintain high-performance ANC that includes EFCR path-compensation.

Abstract: A fingerprint identification apparatus and an electronic device are provided, which can improve the fingerprint imaging quality while achieving the lightness and thinness of the fingerprint identification apparatus. The fingerprint identification apparatus is applicable to be under a display screen, including a plurality of fingerprint identification units arranged in an array, where each fingerprint identification unit includes: a micro-lens; at least one light shielding layer, where each light shielding layer is provided with a light passing hole, a bottom light shielding layer is provided with N light passing hole, and a largest aperture D1 of each light passing hole and a largest aperture CA of the micro-lens satisfy 0.02D1/CA0.4, to form N light guiding passages in different directions; N pixel units, disposed under the at least one light shielding layer, and disposed in one-to-one correspondence with bottoms of N light guiding passages.

Abstract: A fingerprint detection apparatus and an electronic device are provided. The fingerprint detection apparatus is applied under a display screen to implement under-screen optical fingerprint identification, including: a fingerprint sensor; the fingerprint sensor includes: N groups of sub-pixels, where N is a positive integer greater than 1; and different groups of sub-pixels in the N groups of sub-pixels respectively receive light signals with different characteristics in light signals returned by reflection or scattering via a finger, and light signals received by each group of sub-pixels in the N groups of sub-pixels are used to form one pixel in a fingerprint image of the finger.

Abstract: Some embodiments of the present disclosure relate to biometric characteristic detection technology, which provide a method and chip for biometric characteristic acquisition, and a computer readable storage medium. The method for biometric characteristic acquisition includes: acquiring a plurality of configuration parameters, where the plurality of configuration parameters include a first exposure duration, parameters defining a first region and a target photosensitive value, where the first region is a local region in a photosensitive region of the chip for biometric characteristic acquisition; exposing the first region according to the first exposure duration, and acquiring a photosensitive value of the first region; determining a second exposure duration required to acquire the target photosensitive value in the photosensitive region according to the photosensitive value of the first region and the first exposure duration; and acquiring a biometric image according to the second exposure duration.

Abstract: A lens system, a fingerprint identification module and a terminal device, including a first lens, a second lens and a third lens arranged sequentially from an object side to an image side, wherein the first lens is a meniscus negative optical power lens with the object side being concave, the second lens is a positive optical power lens with both object side and image side being convex, and the third lens is a positive optical power lens with both object side and image side being convex. The parameters of the lens system follow a first relationship so that a field of view FOV of the lens system is greater than a first threshold.

Abstract: A power glitch signal detection circuit, a security chip and an electronic apparatus are disclosed. The power glitch signal detection circuit includes a voltage sampling module, wherein the voltage sampling module includes: a first metal oxide semiconductor MOS transistor and a capacitor for sampling a power supply voltage, wherein a gate terminal of the first MOS transistor is connected to the capacitor, a source terminal of the first MOS transistor is connected to a ground voltage. The power glitch signal detection circuit further comprises a second MOS transistor and a signal output module. One terminal of the second MOS transistor is connected to a gate terminal of the first MOS transistor, another terminal of the second MOS transistor is connected to the power supply voltage, and a drain terminal of the second MOS transistor is connected to a drain terminal of the first MOS transistor.

Abstract: A touchpad module, comprising: a moving part, a fixing part and a deforming part. The moving part has a touch panel, a main support member and a travel switch arranged on a bottom surface of the touch panel. The fixing part has a fixing platform, and a contact point is provided on a surface of the fixing platform close to the moving part. The deforming part is configured to elastically deform, when the touch panel is pressed, so that the moving part moves toward the fixing part along a pressing direction, and the contact point contacts and triggers the travel switch. The touchpad module provided by the present disclosure can realize a full-area pressing of the touchpad module.

Abstract: A touch detection method, a touch detection circuit, a touch chip and an electronic device. The touch detection method includes: receiving a real-time synchronization signal sent by a touch display panel; acquiring a frequency of a noise signal in a working environment of a touch chip; setting a frequency of a coding drive signal based on the frequency of the noise signal, generating the coding drive signal based on the frequency of the coding drive signal, and outputting the coding drive signal to a drive electrode of the touch display panel; generating a strobe signal based on the real-time synchronization signal; and receiving a signal of a sensing electrode of the touch display panel, and outputting a detection result based on the strobe signal and the signal of the sensing electrode.

Abstract: A biological information identification apparatus is provided, including: a fingerprint identification module and a packaging layer disposed on a surface of the fingerprint identification module facing a user, and configured to package the fingerprint identification module to insulate the fingerprint identification module from an outside environment, a top surface of the packaging layer being an arc surface. The fingerprint identification module includes: a fingerprint identification chip configured to identify fingerprint information of the user, where a plurality of capacitive pixel units are disposed on an upper surface of the fingerprint identification chip, and the capacitive pixel units are configured to form capacitance with a finger of the user; and a plurality of conductive elements disposed above the capacitive pixel units. An electronic device including the aforementioned biological information identification apparatus is provided.

Abstract: Methods, systems, and devices are disclosed for optical sensing and tracking of eye movement. In one aspect, a method for tracking the movement of an eye includes emitting a first modulated light and a second modulated light toward an eye of a user, wherein the first modulated light and the second modulated light have substantially the same modulation frequency, but the modulation phases of the two modulated lights are substantially opposite to each other; receiving at a photodetector module a returned light including at least a partial retroreflected light from the eye of the user based on the first and second modulated lights; and processing the output signal from the photodetector module to determine positional and dimensional parameters of the eye of the user based at least on the partial retroreflected light corresponding to the first and second modulated lights.

Abstract: Techniques are described for passive three-dimensional (3D) image sensing based on chromatic differentiation for use in object verification. For example, multiple sub-images correspond to 3D feature regions of an object. The sub-images can be analyzed to obtain respective sets of feature depth measurements (e.g., depth, textural signatures, etc.) based on multiple differentiated chromatic components of raw image sensor data captured from the object. A verification signal can be output as a function of comparing the respective sets of feature depth measurements from the plurality of characteristic sub-images to previously stored feature depth expectations, such that the verification signal indicates whether an identity of the object is verified and/or whether the object is a spoof.

Abstract: A capacitance detection circuit, a touch control chip and an electronic device can effectively extract a capacitance change without increasing costs of a circuit. The capacitance detection circuit includes: a CCA circuit, a first input end and a second input end of the CCA circuit are connected to a capacitance to be measured and a cancellation capacitance, respectively, a third input end of the CCA circuit is connected to a coding voltage, and a first output end and a second output end of the CCA circuit output a first current and a second current, respectively, where the cancellation capacitance is smaller than an initial value of the capacitance to be measured; a PGA circuit, two input ends of the PGA circuit are connected to two output ends of the CCA circuit, respectively.