Abstract: Imaging sensor and imaging module are provided. The imaging sensor includes: a substrate; multiple pixel units disposed on the substrate, configured to acquire an optical signal carrying imaging information and convert the optical signal into an electric pixel signal, and arranged in array to form a pixel array; multiple bias voltage pseudo pixel units disposed around the pixel array, connected with the pixel units, and configured to provide a bias voltage to the pixel units; and at least one touch sensing pseudo pixel unit disposed at one side of the bias voltage pseudo pixel units which is away from the pixel units, and configured to form a capacitor structure to sense a touch to form an electric touch signal. Color aberration between the bias voltage pseudo pixel units and the touch sensing pseudo pixel unit and the pixel units is reduced, and appearance of the imaging sensor is improved.

Abstract: An optical fingerprint module, comprising: a protective layer; an optical fingerprint sensor; a backlight source, said backlight source being located below the protective layer; the optical fingerprint sensor is stacked directly below the protective layer, or directly adhered to the bottom of the protective layer; the backlight source is located at a side of the optical fingerprint sensor. The present optical fingerprint module has a smaller size and better mechanical reliability.

Abstract: Fingerprint imaging module and electronic device are provided. The module includes: a light source assembly including first light source for generating first incident light and second light source for generating second incident light; a color layer including a non-opaque region corresponding to interval between the first and second light sources and adapted to transmit the first and second incident light; a sensing surface at a side of the color layer away from the light source assembly, wherein the first and second incident light form first and second reflected light on the sensing surface; an image sensor between the light source assembly and the color layer, including first and second photosensitive regions, and configured to acquire the first and second reflected light to acquire fingerprint images. Fingerprint imaging area of the image sensor and size of fingerprint images are increased, which is favorable for recognition of fingerprint images by fingerprint algorithm.

Abstract: An optical fingerprint module, including: an optical fingerprint sensor; a point backlight source; the optical fingerprint sensor includes and only includes a non-opaque substrate; the first surface of the non-opaque substrate being directly used for fingerprinting contact; the second surface of the non-opaque substrate includes a device layer; the device layer includes a pixel area; the pixel area includes a plurality of pixels; each of the pixels includes a non-opaque area and a light-blocking area; and the light-blocking area includes a photosensitive device formed therein; the non-opaque area allows light to pass through the pixel area of the device layer; the point backlight source is disposed below the pixel area, and an angle between the light emitted from the point backlight source and the first surface of the non-opaque substrate is acute. The structure of the optical fingerprint module is simplified and the performance is improved.

Abstract: An optical fingerprint imaging system and an array sensor are provided. The optical fingerprint imaging system includes: a cover plate, a backlight source, an array sensor disposed between the cover plate and the backlight source, and an optical assembly; the array sensor includes an array of pixels each of which has an opaque region and a nonopaque region, the opaque region includes an photosensitive device for converting an input light into electronic signals, and the nonopaque region is adapted for allowing light from the backlight source passing through, and the optical assembly is adapted for partially blocking the light from the cover plate to the photosensitive device, and is configured with at least one light tunnel between the cover plate and each of the photosensitive devices, wherein the light tunnel allows light passing through in a preset range of direction. Accordingly, the contrast of a fingerprint image obtained is enhanced.

Abstract: An optical fingerprint imaging system (200) and an optical assembly (300, 400, 500, 600, 700) are provided.

Abstract: A method for image capture of a Thin Film Transistor (TFT) flat-panel image sensor is provided. The method for image capture includes: driving one of the plurality of scanning lines within a driving time; and collecting signals from the plurality of data lines by the signal readout chip periodically with a first period as a signal capture period; where the first period have a same time duration with the driving time, an end time point of an m-th first period coincides with a start time point of an (m+1)-th first period, where m is a positive integer, and an end time point of an n-th driving time coincides with a start time point of an (n+1)-th driving time, where n is a positive integer. The method for image capture can improve stability of the signal readout chip and reduce design difficulty of the entire circuit system.

Abstract: The present disclosure provides a fingerprint image sensor and a method for optical wireless communications using the same. The fingerprint image sensor includes: a backlight plate; an image sensor unit, disposed above the backlight plate; and a protection layer, disposed above the image sensor substrate; wherein the fingerprint image sensor is configured to operate at least in a transmitting mode and a receiving mode, where in the transmitting mode, the backlight plate is turned on and configured to emit lights with different optical characteristics representing coded information, and in the receiving mode, the backlight plate is turned off and the image sensor unit senses external lights and convert the external lights to electric signals. The present disclosure further provides methods for transmitting and receiving information using the fingerprint image sensor. Accordingly, the fingerprint image sensor can work as a transceiver to realize optical wireless communications.

Abstract: A fingerprint imaging system and a method for forming the same. The system includes: a backlight system; a sensor array on the backlight system, wherein the sensor array comprises a plurality of photodiodes and a plurality of light transmission regions between adjacent photodiodes; and an anti-light-scattering layer formed on the sensor array, wherein the anti-light-scattering layer comprises a plurality of first portions and a plurality of second portions disposed between adjacent first portions, wherein the plurality of first portions cover at least the plurality of photodiodes respectively, and refractivity of the plurality of first portions is greater than refractivity of the plurality of second portions.

Abstract: An optical fingerprint imaging system and an optical assembly are provided. The optical fingerprint imaging system includes: a sensor including a substrate and a photosensitive layer, wherein the substrate has a first surface and a second surface which is opposite to and lower than the first surface, and the photosensitive layer is in contact with the first surface of the substrate; a light source disposed at a position lower than the first surface and higher than the second surface, and light emitted from the light source is adapted to be guided by the substrate of the sensor to the first surface of the substrate; and a mounting element adapted to mount the light source at a fixed position. Accordingly, the optical fingerprint imaging system has high light use efficiency and stable light source.

Abstract: An integrated optical sensor and methods for forming and using the same is provided. The integrated optical sensor comprising: a light source; a transparent substrate, having a first surface and a second surface opposite to each other; a first pixel cell array region, located on the first surface and adapted to receiving lights emitted from the light source and reflected by an external object; a second pixel cell array region, located on the first surface and adapted to receiving lights emitted from the light source and reflected by the fingerprint; and a third pixel cell array region, located on the first surface and adapted to receiving visible lights from outside. The integrated optical sensor has simplified structures, the forming method thereof has improved processes, and the using method thereof has more applications. Besides, production costs may be reduced.

Abstract: An information detection and display apparatus, and detecting method and displaying method thereof are provided. The information detection and display apparatus includes: an optical sensor; a protective layer disposed on the optical sensor; and a display screen disposed underneath the optical sensor, wherein the display screen serves as a light source when the optical sensor is used for detecting optical information. The information detection and display apparatus can be used for generating optical fingerprint image, detecting finger touching, and displaying information. Thus, the information detection and display apparatus has multiple functions and applications.

Abstract: An optoelectric sensor, comprising: a light-sensitive structure which comprises a substrate and an array of pixel cells located on the substrate, wherein each of the pixel cells comprises a thin film transistor and a photodiode; a fiber optical guide plate located above the light-sensitive structure, which comprises a group of optical fiber bundles configured to be perpendicular to the substrate, and each of the optical fiber bundles has an diameter smaller than or equal to a width of pixel cell; and a backlight source located below the light-sensitive structure. The fiber plate will enable each pixel cell detecting features of an object surface corresponding thereto more independently, so as to improve the resolution of the optoelectric sensor. The optical fiber bundles are configured to be perpendicular to the substrate, and the optoelectric sensor will have a thin structure.

Abstract: An array sensor apparatus and forming method thereof, wherein the array sensor comprises: a driving circuit and a sensor circuit, wherein the driving circuit and the sensor circuit are formed on the same substrate surface, the sensor circuit comprises a pixel cell array including pixel cells and driving lines connected with the pixel cells, output ends of the driving circuit are connected to the driving lines of the sensor circuit, the driving circuit comprises a first transistor, and the pixel cell comprises a second transistor. In the array sensor apparatus of the present disclosure, the driving circuit and the sensor circuit are formed on the same substrate surface, thus occupying less area. Reliability may be improved. Besides, the forming processes can be implemented simultaneously without additional processing steps.