Patent classifications
G06K9/28
Fingerprint sensing device and fingerprint sensing method
A fingerprint sensing device and a fingerprint sensing method are provided. The fingerprint sensing device includes a transparent panel, an illumination source, a fingerprint sensor, and a processor. The illumination source is configured to sequentially provide a plurality of illuminating patterns during one exposure period to sequentially illuminate a finger object placed on the transparent panel. The fingerprint sensor includes a plurality of image sensing units. The image sensing units sense the finger object illuminated by the illuminating patterns provided by the illumination source during the one exposure period to output a plurality of pixel data. The processor is configured to receive the pixel data to generate a fingerprint image according to the pixel data. Each of the illuminating patterns includes a plurality of bright regions and a plurality of dark regions arranged in sequence, and the bright regions and the dark regions are dynamically displaced in the illuminating patterns.
Fingerprint sensor
A fingerprint sensor is provided and includes a substrate; sensor electrodes arranged in a matrix on the substrate; switches coupled to the sensor electrodes; a control line drive circuit; a signal line drive circuit; signal lines coupling the signal line drive circuit to the sensor electrodes through the switches; control lines transmitting a selection signal to the switches from the control line drive circuit; and a sensor drive electrode surrounding the matrix of the sensor electrodes, wherein a distance of the sensor drive electrode from a surface of the substrate is larger than a distance of the sensor electrodes from the surface of the substrate.
Monitoring system
A method, system and a computer readable medium for monitoring a person. The method may include (a) acquiring a group of other images and acquiring a group of LWIR of a face of the person. The LWIR imager is mechanically coupled to the other imager has a lower resolution, (b) determining locations of a facial feature of the person within the groups of other and LWIR images, by applying a compensation process for compensating for differences between the acquiring of the group of LWIR images and the acquiring of the group of other images; (c) applying a thermal dynamic analysis on pixels of the facial feature within the LWIR images; and (d) determining, based on an outcome of the thermal dynamic analysis, at least one parameter of the person.
3D model reconstruction method, electronic device, and non-transitory computer readable storage medium thereof
A 3D (three dimensional) model reconstruction method that includes the steps outlined below. Depth data of a target object corresponding to a current time spot is received. Camera pose data of the depth camera corresponding to the current time spot is received. Posed 3D point clouds corresponding to the current time spot are generated according to the depth data and the camera pose data. Posed estimated point clouds corresponding to the current time spot are generated according to the camera pose data corresponding to the current time spot and a previous 3D model corresponding to a previous time spot. A current 3D model of the target object is generated according to the posed 3D point clouds based on a difference between the posed 3D point clouds and the posed estimated point clouds.
Fingerprint sensor module
According to a first aspect of the present disclosure, a fingerprint sensor module is provided, comprising: an assembly comprising a substrate and a fingerprint sensor mounted on one side of the substrate; wherein the fingerprint sensor comprises a set of sensor elements and a measurement unit; and wherein the measurement unit is configured to concurrently measure capacitances on subsets of the set of sensor elements. According to a second aspect of the present disclosure, a corresponding method of producing a fingerprint sensor module is conceived.
Systems and methods for optical sensing with angled filters
Disclosed is a device for optical sensing, comprising: a display comprising a transparent substrate and a plurality of light emitters disposed above the transparent substrate; a transparent cover layer disposed above the display, wherein a top surface of the transparent cover layer provides an input surface for sensing an input object; and, an angled filter disposed below the transparent substrate of the display, wherein the angled filter is configured to allow light within a tolerance angle of an acceptance angle to pass through the angled filter, wherein the acceptance angle is centered around a non-zero angle relative to a normal of the input surface.
Display panel and display device
A display panel and a display device are disclosed. The display panel includes a display-side substrate, and a display array layer, a lens layer and an image array layer, which are sequentially provided at a side of the display-side substrate. The display array layer includes a plurality of display pixels arranged in an array; and the image array layer includes a plurality of image pixels arranged in an array, and is configured to form an image with light being reflected from a display side and passing through the lens layer.
Electronic device including biometric sensor
An electronic device is provided. The electronic device may include: a housing including a first face facing a first direction and a second face facing a second direction opposite the first direction, and further including a transparent window comprising at least a portion of the first face; a display device disposed between the first face and the second face of the housing and configured to display information to an outside through the transparent window; an illumination unit comprising light emitting circuitry disposed inside the first face of the housing and configured to emit light toward the transparent window; a reflective unit comprising a reflective surface and disposed between the illumination unit and the transparent window, and including a plurality of reflective structures configured to reflect light emitted from the illumination unit toward the transparent window; and a biometric sensor disposed to face at least a portion of the transparent window and configured to sense light reflected on the transparent window. The electronic device including a fingerprint sensor is capable of ensuring a superior performance using a light source in sensing fingerprint information of a user using a fingerprint sensor located in a display active region. Further, the electronic device is capable of effectively ensuring an amount of incident light transmitted to the biometric sensor using the reflective unit and the transparent window, which substantially completely reflects the light emitted from the light source.
Fingerprint sensor package and display device including the same
A display device includes a base, a photosensor disposed on a surface of the base, a light emitting element disposed on the photosensor that includes a bottom electrode, an upper electrode and a light emitting layer interposed between the bottom electrode and the upper electrode, and a light condenser disposed on the light emitting element. The light condenser does not overlap the bottom electrode in a plan view.
Fingerprint reader
A fingerprint reader includes a display screen composed of an array of energy emitting pixels covered by a transparent cover, at least one sensor coupled along an edge of the display screen, a display driver directing the array of energy emitting pixels of the display screen to illuminate in a predetermined sequence, and a microprocessor in communication with the display driver and the at least one sensor. The microprocessor knows the location of the energy emitting pixel being illuminated and the specific time at which the illumination occurs. In use, and when at least one finger is placed on the transparent cover and the display driver is activated, energy from each energy emitting pixel sequentially illuminated is reflected off the fingerprint to the at least one sensor. The energy received at the at least one sensor is at different intensity levels depending upon the ridges and valleys of the at least one fingerprint. The at least one sensor sends a signal to the microprocessor regarding the energy intensity level, from which the microprocessor creates a fingerprint image as the energy emitting pixels are sequentially illuminated.