Abstract: Provided are a display screen assembly and an electronic device. The display screen assembly includes a first display laminate and a second display laminate opposite to each other. Multiple image sensors are provided on the first display laminate. A camera lens is provided on the second display laminate. The multiple image sensors directly face the camera lens, such that the multiple image sensors can acquire image signals through the camera lens.

Abstract: An under-screen fingerprint module for an electronic device is provided. The electronic device includes a screen defining a preset area and arranged with a first polarizer to filter first optical noise, and a back cover; the fingerprint module being arranged between the two. At least part of a vertical projection of the preset area on the back cover and that of the fingerprint module are overlapped. The fingerprint module includes a second polarizer to filter the first optical noise as reflected light of first light being part of emitted light of the screen and irradiated along a direction perpendicular to the screen and away from the back cover. A polarization direction of the second polarize and the first polarizer are same. The second polarizer is further configured to filter second optical noise as second light being part of the emitted light and irradiated along a direction towards the back cover.

Abstract: Provided is an electronic device. The electronic device includes a screen provided with a first polarizer, a second polarizer arranged below the screen, and an optical fingerprint identification module arranged below the second polarizer. The polarization direction of the first polarizer is the same with the polarization direction of the second polarizer. The first polarizer and the second polarizer are configured to filter a first optical noise. The second polarizer is configured to filter a second optical noise. The first optical noise is light from screen light of the screen and directing to the optical fingerprint recognition module. The second optical noise is light from the screen light, directing away from the optical fingerprint recognition module and reflected by a glass cover on an outer side of the screen.

Abstract: Disclosed in the present application is a fingerprint module, applied to an electronic device including a screen and a fingerprint module. The fingerprint module is provided below a preset area of the screen. The screen is provided with a first polarizer. The fingerprint module includes a collimating lens and an optical fingerprint sensor, and the collimating lens is provided on the side of the optical fingerprint sensor close to the screen. The collimating lens is provided with a second polarizer, and polarization directions of the first polarizer and the second polarizer are consistent. The first polarizer and the second polarizer are configured to filter first light, and the first light is light, among light emitted from the screen in a first direction, reflected by the screen. The second polarizer is configured to filter the second light, and the second light is light emitted from the screen in a second direction.

Abstract: Methods and systems for image processing are provided. A target image may be acquired, wherein the target image may include a plurality of elements, an element of which may correspond to a pixel or a voxel. The target image may be decomposed into at least one layer, wherein the at least one layer may include a low frequency sub-image and a high frequency sub-image. The at least one layer may be transformed. The transformed layer may be reconstructed into a composite image.

Abstract: A light emitting device, an optical detection system, an optical detection device and an optical detection method, the light emitting device comprising: a light source (01), and an aperture limiting unit (03) located on an emergent light path of the light source (01); the light source (01) is used to emit light; and the aperture limiting unit (03) is used to limit the aperture of light emitted by the light source (01) when a current detection area of an object to be tested (05) has a high aspect ratio structure so as to block a portion of light having a large included angle with the normal direction of the object to be tested (05), such that the light is incident on the current detection area of the object to be tested (05) along the normal direction of the object to be tested (05) or along a direction that forms a small angle with the normal direction of the object to be tested (05). Thus, the high aspect ratio structure of the current detection area may be effectively detected.

Abstract: A display screen assembly is provided. The display screen assembly includes a display screen, a first light source, a light conducting member, a receiving element, and a processor. The display screen includes a display region for displaying images and a non-display region surrounding the display region. The light conducting member faces the display region. At least one first light source faces at least one surface of the light conducting member. The at least one first light source is configured to emit a detection signal to the light conducting member. The light conducting member is configured to diffuse the detection signal to allow the detection signal to pass through the display region, to interact with a detection object to form a target signal. The receiving element is disposed in the display region and configured to receive the target signal.

Abstract: A method for fingerprint collection and related products are provided. The method includes the following. Light-emitting units of a touch display screen are controlled to emit monochromatic light. The monochromatic light is configured to illuminate a fingerprint of a user. Collect the fingerprint of the user illuminated by the monochromatic light.

Abstract: Various examples related to electromagnetic interference (EMI) energy mitigation techniques are provided. In one example, a method includes determining electromagnetic interference (EMI) spectrum information based upon switching angles of a switching circuit and processing harmonic magnitudes (Ci) associated with the switching angles using an artificial neural network to determine adjusted switching angles for the switching circuit; and applying the adjusted switching angles to control the switching circuit thereby reducing generated EMI energy by the switching circuit.

Abstract: Provided are a terminal device and related products. A method includes the following. Pixels contained in an ordinary pixel set and a standby pixel set in a preset area are controlled to emit light when a finger of a user is applied to the preset area, where the light emitted by the pixels is configured to illuminate a fingerprint of the user. Perform fingerprint collection on the fingerprint illuminated by the light emitted by the pixels of the user.

Abstract: A method may include obtaining a breast image of an object that is acquired by an imaging device; determining a projection curve based on the breast image; determining a first valley point and a second valley point of the projection curve; determining a peak point of the projection curve based the first valley point and the second valley point of the projection curve; determining a first valley location, a second valley location, and a peak location in the breast image based on the peak point, the first valley point, and the second valley point of the projection curve; and determining a breast region in the breast image based on the first valley location, the second valley location, and the peak location.

Abstract: An array substrate is provided. The array substrate includes a first base material, and a display circuit layer and a recognition circuit layer laminated on the first base material. The display circuit layer includes multiple gate lines, multiple data lines, and multiple thin-film transistors (TFT). Projections of the multiple gate lines on the first base material and projections of the multiple data lines on the first base material define multiple sub-pixel projection areas. Each of projections of the multiple TFTs on the first base material falls into a corresponding area of the multiple sub-pixel projection areas. The recognition circuit layer includes multiple photoelectric sensors. Projections of the multiple photoelectric sensors on the first base material fall into different areas of the sub-pixel projection areas. The photoelectric sensor is configured to sense target lights carrying user fingerprint information. A display screen and an electronic device are further provided.

Abstract: The present disclosure provides an electronic device, a storage medium, and an image processing method, wherein, the electronic device includes a processing unit, a camera and a display screen covering the camera. Wherein, the display screen includes a light transmission area and a non-light transmission area, is configured to display a first image on the non-light transmission area under the control of the processing unit. The camera is disposed under the light transmission area, includes a projection assembly and an imaging assembly both electrically connected to the processing unit. The projection assembly is configured to project a second image on the display screen under the control of processing unit thereby to display the image on the light transmission area of the display screen, and the imaging assembly is configured to capture a third image through the light transmission area of the display screen.

Abstract: The present disclosure relates to systems, methods, computing devices, and storage media for medical examination. The medical examination system comprises: a breathing guiding apparatus configured to guide a breathing of a subject; an imaging device configured to scan the subject; and a controller coupled to the breathing guiding apparatus and configured to cause the breathing guiding apparatus to generate a breath guiding state for guiding the breathing of the subject.

Abstract: The present application provides a cleaning apparatus and a cleaning method. The cleaning apparatus includes two wiping parts opposite to each other, a connection part and a cleanliness detection device. The two wiping parts defines a space therebetween to accommodate a part to be cleaned. The two wiping parts are connected through the connection part. The cleanliness detection device is configured to detect cleanliness of the part to be cleaned. The connection part is configured to control a distance between the two wiping parts based on the detected cleanliness.

Abstract: The present disclosure provides a casing applied to a terminal that includes a flexible display screen. A top surface of the casing supports the flexible display screen. The casing defines a mounting slot. The mounting slot includes an opening defined in the top surface. The mounting slot receives a fingerprint recognition unit of the terminal, such that the fingerprint recognition unit is disposed between the flexible display screen and the casing. The present disclosure further provides a terminal including the casing.

Abstract: A display device is provided and includes a flexible display screen, a fingerprint identification sensor and a support frame. The support frame includes a bottom wall and a side wall surrounding the bottom wall, the bottom wall and the side wall cooperatively define an accommodating space. The fingerprint identification sensor is received in the accommodating space. The side wall has a top end, the top end has a first face facing the flexible display screen and a second face abutting with the fingerprint identification sensor. A mobile terminal is further provided.

Abstract: A multi-phase coupled inductor can include: an upper E core including a first upper limb, a second upper limb, and a third upper limb; a lower E core including a first lower limb, a second lower limb, and a third lower limb; a first winding to wind the first upper limb and the first lower limb; a second winding to wind the second upper limb and the second lower limb; a third winding to wind the third upper limb and the third lower limb; a fourth winding to wind the first lower limb; and a fifth winding to wind the third lower limb. A first phase current can flow from the first winding to the fifth winding, and a third phase current can flow from the third winding to the fourth winding.

Abstract: A proximity-detection method, a non-transitory computer readable medium and an electronic device are disclosed. The proximity-detection method is applied to the electronic device. The electronic device may include a display screen and an infrared-light proximity sensor covered by the display screen and configured to detect whether an object is proximity to the electronic device, the display screen has a capability of allowing infrared lights to pass through. The proximity-detection method may include setting an operation timing of the display screen as a target timing when the infrared-light proximity sensor is enabled, wherein the target timing comprises a target duration and the display screen is controlled to emit no lights during the target timing; controlling the infrared-light proximity sensor to emit the infrared lights during the target duration; and performing proximity detection based on the infrared lights.