Abstract: The present disclosure provides an image capturing apparatus, including: a light source module configured to emit an incident light, wherein the light source module has a first surface and a second surface opposite to each other; an LCD module having a first surface and a second surface opposite to each other, wherein the second surface of LCD module faces the first surface of light source module, an air gap is formed between LCD module and light source module, and LCD module comprises a scattering layer for scattering the incident light; a light-transmitting cover plate having a first surface and a second surface, wherein first surface of the light-transmitting cover plate is configured to contact with an object to be captured, and second surface of the light-transmitting cover plate faces first surface of LCD module; and a sensor module configured to collect incident light reflected by light-transmitting cover plate.

Abstract: An image capturing apparatus and an electronic device are provided. The image capturing apparatus includes: a light-transmitting cover plate, a light source component, a sensor component, and a lens disposed between the light source component and the sensor component. A preset angle is formed between a central axis of the lens and a normal of the light source component. A light generated by the light source component is transmitted through the light-transmitting cover plate, and then is scattered by the object to be captured, and the scattered light is focused by the lens to the sensor component. The light source component is disposed outside of a depth of field of the lens, and the object to be captured is disposed within the depth of field of the lens.

Abstract: A photodetection apparatus includes a display unit (102), a photodetection sensor (104) disposed beneath the display unit (102), a low refractive index adhesive (103) disposed between the display unit (102) and the photodetection sensor (104), and a main circuit board (106) disposed below the photodetection sensor (104). The display unit (102) includes a display member having a light transmittance greater than 3%. The photodetection sensor (104) includes a pixel thin film circuit (91) and a photodetection film (92) electrically connected to the pixel thin film circuit (91) and is adapted to receive an incident light and to convert the incident light into an optoelectronic signal. The low refractive index adhesive (103) has a refractive index smaller than that of the photodetection sensor (104).

Abstract: The present disclosure provides an image capturing apparatus, an electronic equipment, and a terminal. The image capturing apparatus includes: a light-transmitting cover plate, having a first surface and a second surface opposite to each other; a light source module disposed below the second surface of the light-transmitting cover plate; at least one sensing module comprising a mask layer and a sensor component, wherein the mask layer is disposed on the first surface of the sensor component and is configured to prevent light from arriving at the first surface of the sensor component, and the second surface of the sensor component is configured to receive light; wherein a first incident light generated by the light source module is reflected by the first surface of the light-transmitting cover plate and received by the second surface of the sensor component. The imaging effect of the image capturing apparatus can be improved.

Abstract: The present disclosure provides an image capturing apparatus, including: a light source module having a first surface and a second surface opposite to each other; an LCD module having a first surface and a second surface opposite to each other, wherein the second surface of the LCD module faces the first surface of the light source module, and the LCD module includes a scattering layer for scattering an incident light; a light-transmitting cover plate having a first surface and a second surface opposite to each other, wherein the first surface of the light-transmitting cover plate is configured to contact with an object to be captured, and the second surface of the light-transmitting cover plate is configured to face the first surface of the LCD module; and a sensor module configured to collect the incident light reflected by the light-transmitting cover plate.

Abstract: A signal conversion circuit and a signal readout circuit are provided. The signal conversion circuit includes: an operational amplifier, configured to amplify an electric signal output by a sensing array; an input switched capacitor, wherein an end of the input switched capacitor is configured to receive the electric signal output by the sensing array, and another end of the input switched capacitor is coupled with an input end of the operational amplifier; and a feedback switched capacitor, wherein an end of the feedback switched capacitor is coupled with the input end of the operational amplifier, and another end of the feedback switched capacitor is coupled with an output end of the operational amplifier.

Abstract: An image sensor (32) includes a plurality of pixel sensing portion (320) that are arranged in columns and rows. Each of the pixel sensing portions (320) includes a thin film transistor (11), and a photodetection diode (13) including n-type (16), intrinsic (15), and p-type semiconductor layers (14). The intrinsic semiconductor layer (15) of the photodetection diode (13) of each of the pixel sensing portions (320) has a crystallinity gradient that varies from an amorphous silicon structure to a microcrystalline silicon structure along a first direction (L1) extending from the p-type semiconductor layer (14) toward the n-type semiconductor layer (16). An image sensing-enabled display apparatus (3) and a method of making the image sensor (32) are also disclosed.

Abstract: The present invention publishes an under-display image acquisition structure and an electronic device, including a light-permeable cover plate, a light source plate and a light sensor. The light source plate and the light sensor are disposed under the light-permeable cover plate. The light-permeable cover plate has a light-permeable area beyond an edge of the light sensor. The light source plate has a light source area beyond an edge of the light sensor in the direction of the light-permeable area. Light from light sources in the light source area is directed onto the light sensor after being totally reflected by the light-permeable cover plate. Distinguishable from the prior art, the above technical solution utilizes the optical total reflection principle so that image data outside the range of the light sensor can be captured by the light sensor.

Abstract: The present disclosure provides an image capturing apparatus, an electronic equipment, and a terminal. The image capturing includes: a light-transmitting cover plate; a light source module disposed below a first surface of the light-transmitting cover plate; at least one sensing module including a mask layer and a sensor component, wherein the sensor component has a first surface and a second surface opposite to each other, the first surface of the sensor component is disposed opposite to the mask layer and the second surface of the sensor component is a photosensitive surface, and the mask layer is made of an opaque material; a catadioptric component having a first surface and a second surface opposite to each other, wherein the sensor component is disposed on the first surface of the catadioptric component. With technical solution of the present disclosure, the imaging effect of the image capturing apparatus can be improved.

Abstract: A photodetection film includes a photodetection transistor. The photodetection transistor includes a gate electrode, a gate insulating layer surroundingly formed on the gate electrode, at least one drain terminal disposed on the gate insulating layer and is spaced apart from the gate electrode, at least one source terminal disposed on the gate insulating layer and is spaced apart from the gate electrode and the at least one drain terminal, and a light-absorbing semiconductor layer disposed on the gate insulating layer and extends between the drain and source terminals. A photodetection sensor, a photodetection display apparatus, and a method of making the photodetection film are also disclosed.

Abstract: This invention publishes a driving and image obtaining method for under-screen imaging, a storage medium and an electronic device, wherein the driving method includes: lighting up pixels of a plurality of separate point light source areas of a display panel, the point light source areas being arranged in arrays and spaced with nonluminous pixel points; and obtaining, through a photoelectric sensor, light emitted by the pixel points that is totally reflected by a light-permeable cover plate; the display panel and the photoelectric sensor being placed under the light-permeable cover plate. Compared with the existing techniques, the driving method of the present invention improves imaging efficiency by lighting up pixels of multiple point light source areas simultaneously, obtaining a large amount of image information each time; since multiple pixels form a point light source, a brightness of the point light source is increased, and the quality of optical image imaging under the lens-less screen is improved.

Abstract: An optical imaging processing method and storage medium. Among them, the method includes a following step of obtaining an image that includes a biometric pattern, and further performs steps of detecting a bright spot on the image, and performing equalization on the bright spot and a neighborhood thereof. The abovementioned scheme can effectively utilize information of lens-free imaging to perform effective removal of image noise and bright and dark spots in a single image under lens-free imaging, so as to obtain a fingerprint portion block image of a single image that satisfies requirements for software processing, solving processing issues of biometric image in lens-free optical imaging.

Abstract: The present disclosure provides an image sensing apparatus, including: a substrate; a plurality of pixels disposed in an array on the substrate, wherein each pixel includes a first photosensitive element and a pixel switch, and the first photosensitive element is configured to generate a first electrical signal including signal light information and ambient light information; and an environment sensor including at least one second photosensitive element, wherein the at least one second photosensitive element is configured to generate a second electrical signal including ambient light information. The image sensing apparatus according to embodiments of the present disclosure can effectively eliminate the influence of ambient light on the image capturing and improve the imaging quality.

Abstract: This invention is related to a technical field of optical fingerprint recognition. It particularly designs a coordinate transformation method for imaging under screen, a storage medium and an electronic device. The a [sic] coordinate transformation method for imaging under screen includes steps of: calculating a coordinate system shrink coefficient; copying each luminous point in a fingerprint image to a shrunken coordinate system; and moving the entirety to the shrunken coordinate system with a relative distance between fingerprint information around a luminous point and a center of the luminous point being kept unchanged. Through coordinate transformation, restoration of the fingerprint image is guaranteed, and also pixels are guaranteed to not be lost at the same time, thereby ensuring the definition of the fingerprint image thus restored. In addition, this manner for restoring fingerprint images is simple in calculation process, fast in restoration speed, and good in quality.

Abstract: A photodetection apparatus includes at least one photodetection cell, each of which includes a first photodiode, a first switch, a capacitor, a second switch and a cancellation circuit. The first photodiode is to receive incident light, and converts the incident light received thereby into a first photocurrent. The cancellation circuit includes a second photodiode that is to receive the incident light and that converts the incident light received thereby into a second photocurrent. The cancellation circuit cooperates with the first photodiode and the first and second switches to adjust a residual electric quantity of the capacitor to a value correlated to a magnitude difference between the first and second photocurrents.

Abstract: Device and method for biometric recognition are provided. When first touch surface and second touch surface are in folded state, if it is determined that first touch surface faces current user, since sensing unit is provided under first touch surface, first touch surface can directly capture first contact information of user. When it is determined that second touch surface is facing current user, processing unit projects the touch recognition area and the second touch part that is currently in contact with first touch surface onto second touch surface correspondingly, user can move second touch part so that virtual second touch part on second touch surface is within virtual touch recognition area. Thus, touch recognition area of first touch surface which is facing away from user can obtain second contact information. Problems such as inconvenience of multi-fingerprint fingerprint operation of under-screen fingerprint recognition device after folding are solved.

Abstract: The present invention is related to a technical field of optical fingerprint, especially related to a method for automatically search for thickness parameters of a display screen, a storage medium and an electronic device. The method for automatically search for thickness parameters of a display screen includes the following steps: processing a fingerprint image to decide a circular dark region corresponding to any point light source, wherein the circular dark region has a diameter of D, and calculating a screen thickness parameter based on a value of D. Effectively using information of lens-free imaging to calculate the screen thickness parameter in real time facilitates subsequent data processing.

Abstract: The present invention discloses a topological structure light source driving method, a storage medium and an electronic device applied to off screen imaging. The method includes the following steps of: lighting up pixel points of one or more separate light source regions of a display panel, the light source regions being arranged in a topological structure and spaced by nonluminous pixel points, the light source regions including one or more pixel points; obtaining, through a light sensor, light of pixel points that is totally reflected by a light-permeable cover plate; the display panel and the light sensor are placed under the light-permeable cover plate. Distinguishing from the prior art, the above technical scheme, by one or more pixel points forming one light source, improves the brightness of the light source and enhances the quality of lens-free off-screen optical imaging, while having multiple light sources for image imaging also improves the imaging efficiency.

Abstract: A biometric identification apparatus is provided to include a light-transmissible plate, a light filtering module, a display member and a photodetection member. The display member is configured to emit light, and the light is reflected by a surface of the light-transmissible plate and formed as an original reflected light. The light filtering module is configured to filter the original reflected light to obtain a light with a traveling direction in a predetermined angle range, and the photodetection member is configured to receive the light filtered by the light filtering module.

Abstract: The present disclosure provides a fingerprint identification method and apparatus, a storage medium, and a terminal. The fingerprint identification method includes: collecting a to-be-identified fingerprint image of a to-be-identified fingerprint; identifying whether the to-be-identified fingerprint belongs to a first type of fingerprint; calculating an image correlation between the to-be-identified fingerprint image and a standard fingerprint image, when it's determined that the to-be-identified fingerprint belongs to the first type of fingerprint; calculating a feature point matching result between the to-be-identified fingerprint image and the standard fingerprint image when it's determined that the to-be-identified fingerprint does not belong to the first type of fingerprint; and determining whether the to-be-identified fingerprint is consistent with the standard fingerprint; wherein the standard fingerprint image is a fingerprint image collected from a standard fingerprint.