A sensing device of an embodiment includes: a first sensor that acquires three-dimensional shape information on a surface of an object to be sensed; and a second sensor that acquires texture information on the surface or a vicinity of the surface of the object to be sensed at a position having a predetermined positional relation with an information acquisition position in the object to be sensed of the first sensor.

A display panel includes an array substrate, a protective cover, a fingerprint identification circuit, and an optical structure. The array substrate and the protective cover are disposed oppositely, where the protective cover is located at a light exiting side of the array substrate. The fingerprint identification circuit is located at a side of the array substrate facing away or toward the protective cover and is configured to receive detection light and perform a fingerprint detection according to the detection light. The optical structure is located at a side of the protective cover facing away from the array substrate and is configured to increase a reflection amount of the detection light received by the fingerprint identification circuit.

A display panel includes an array substrate, a protective cover, a fingerprint identification circuit, and an optical structure. The array substrate and the protective cover are disposed oppositely, where the protective cover is located at a light exiting side of the array substrate. The fingerprint identification circuit is located at a side of the array substrate facing away or toward the protective cover and is configured to receive detection light and perform a fingerprint detection according to the detection light. The optical structure is located at a side of the protective cover facing away from the array substrate and is configured to increase a reflection amount of the detection light received by the fingerprint identification circuit.

A one-hand operation method and an electronic device are provided. The method includes: displaying a first interface, where the interface is a user interface displayed on a screen; detecting a first trigger operation of a user; and displaying a floating interface based on the first trigger operation. After the user enables a “floating screen” function, the electronic device determines, based on an obtained length of a thumb of the user and an obtained position at which the user holds the electronic device, a region that can be operated by the user with one hand, and then presents the floating interface in that region.

The present disclosure provides an under-screen optical fingerprint identification apparatus and a fingerprint identification method. The under-screen optical fingerprint identification apparatus comprises: a photodetection array which has a photosensitive area on which a photosensitive pixel array is provided, wherein the photosensitive pixel array comprises at least three types of pixels; and a fingerprint contact identification area located above the photodetection array and comprising a light-emitting layer and a cover layer, wherein the cover layer has a contact area, and the light-emitting layer has an identification area corresponding to the contact area, wherein the identification area comprises light-emitting units, each of which comprises a light-transmitting area and at least three light-emitting areas located therearound for emitting detection light of corresponding wavebands, wherein the detection light is reflected by an object to be identified to form signal light which passes through the filter layers and reaches corresponding three types of pixels.

This fingerprint registration method by a user terminal device includes: capturing an image of a fingertip by a camera provided to the user terminal device; generating and displaying an enlarged image obtained by enlarging a fingertip image that includes the captured fingertip; receiving a user operation whether or not the fingertip image is to be registered for fingerprint authentication on the basis of the enlarged image; and transmitting, to an external server as fingerprint data, the fingertip image on which registration operation has been performed through the user operation.

This fingerprint registration method by a user terminal device includes: capturing an image of a fingertip by a camera provided to the user terminal device; generating and displaying an enlarged image obtained by enlarging a fingertip image that includes the captured fingertip; receiving a user operation whether or not the fingertip image is to be registered for fingerprint authentication on the basis of the enlarged image; and transmitting, to an external server as fingerprint data, the fingertip image on which registration operation has been performed through the user operation.

The invention describes a system for or recording the usage of a firearm and helping a user during usage of the firearm using multiple sensors to gather various information. The system includes a plurality of sensors to record various usage and status data of the firearm. The system further includes a communication module communicatively coupled to the sensors. The communication module is further connected to a processor. The system further includes a memory, a clock chip and an information disseminating device that includes a communication port. The plurality of sensors are configured to gather various information about a firearm device that may be a pistol, a revolver, a gun, etc. after being attached to the firearm device. In addition to the operational information, some of the sensors out of the plurality of sensors may gather information about surrounding environment of the firearm like lighting conditions, wind flow etc. to help a user of the firearm device to use it efficiently.

The invention describes a system for or recording the usage of a firearm and helping a user during usage of the firearm using multiple sensors to gather various information. The system includes a plurality of sensors to record various usage and status data of the firearm. The system further includes a communication module communicatively coupled to the sensors. The communication module is further connected to a processor. The system further includes a memory, a clock chip and an information disseminating device that includes a communication port. The plurality of sensors are configured to gather various information about a firearm device that may be a pistol, a revolver, a gun, etc. after being attached to the firearm device. In addition to the operational information, some of the sensors out of the plurality of sensors may gather information about surrounding environment of the firearm like lighting conditions, wind flow etc. to help a user of the firearm device to use it efficiently.

A method of fingerprint recognition for a fingerprint sensing circuit includes steps of: performing a first fingerprint sensing process including a first exposure operation and a first readout operation under a first light spot setting; and performing a second fingerprint sensing process including a second exposure operation and a second readout operation under a second light spot setting. Wherein, a host performs a first fingerprint recognition in response to the first fingerprint sensing process; and wherein, the second light spot setting and the first fingerprint recognition are performed simultaneously.