Abstract: An image sensing device including an image sensor, a color filtering unit set, and a light deflecting unit set is provided. The image sensor has a plurality of sub-pixels arranged in an array. The color filtering unit set is disposed above the image sensor, and has a plurality of first filter units and a plurality of second filter units. A central transmitting wavelength of the first filter units is greater than a central transmitting wavelength of the second filter units. The light deflecting unit set is disposed between the color filtering unit set and the image sensor, and has a plurality of first light deflecting units. A refractive index of the first light deflecting units is greater than a refractive index of a medium between the second filter units and a plurality of corresponding sub-pixels. A manufacturing method of an image sensing device is also provided.

Abstract: A sum-of-products calculation apparatus is provided. The sum-of-products calculation apparatus includes an analog-to-digital conversion circuit having an encoder circuit and multiple inverters. The inverters have different threshold voltages, and generate bit signals in response to an analog sum-of-products signal. The encoder circuit encodes the bit signals to generate a digital signal.

Abstract: A light sensing module including a photodiode array substrate, a distance increasing layer, and a light converging element array is provided. The photodiode array substrate includes a plurality of light sensing units arranged in an array and a circuit region. The circuit region is disposed on the periphery of the light sensing units. Each of the light sensing units includes a plurality of adjacent photodiodes arranged in an array. The distance increasing layer is disposed on the photodiode array substrate. The light converging element array is disposed on the distance increasing layer, and includes a plurality of light converging units arranged in an array. Reflected light from an outside is converged by the light converging elements on the light sensing units, respectively.

Abstract: A fingerprint sensing module suitable for receiving a sensing light beam and an electronic device is provided. The fingerprint sensing module includes a sensing element, a light transmitting layer disposed on the sensing element, a micro-lens layer disposed on the light transmitting layer, and a first light shielding layer disposed in the light transmitting layer and including multiple first openings arranged in an array. Positions of the first openings in odd-numbered rows are the same, and those in even-numbered rows are the same. Positions the first openings in the odd-numbered rows are different from those in the even-numbered rows. A sensing light beam includes multiple first light beams incident to a part of a sensing unit in a first transmission direction and multiple second light beams incident to another part of the sensing unit in a second transmission direction. The first transmission direction is different from the second transmission direction.

Abstract: An electronic device with fingerprint sensing function and a fingerprint comparison method are provided. The electronic device includes a fingerprint sensor and a processor. The fingerprint sensor is configured to obtain a first fingerprint image. The processor is coupled to the fingerprint sensor and configured to execute a fingerprint comparison operation to compare the first fingerprint image with a first registered image. When comparison between the first fingerprint image and the first registered image fails, the processor adjusts an image resolution of one of the first fingerprint image and the first registered image, and re-executes the fingerprint comparison operation to determine whether a current fingerprint sensing passes fingerprint verification.

Abstract: The present invention provides a fingerprint image sensor and an electronic device. The fingerprint image sensor is suitable for being configured below a display panel and comprises a substrate and a plurality of photosensitive pixels. The plurality of photosensitive pixels is arranged on the substrate to form a photosensitive array having M rows and N columns. The photosensitive pixels located on each row of the photosensitive array are arranged along the row direction, and the photosensitive pixels located on each column of the photosensitive array are arranged along the column direction. Each photosensitive pixel comprises a photoinduction region, and the photoinduction region comprises a first region side edge and a second region side edge. An acute angle is formed between the first region side edge and the second region side edge, and the acute angle is larger than 0 degree and smaller than 90 degrees.

Abstract: An under-screen fingerprint sensing device and a fingerprint sensing method are provided. The under-screen fingerprint sensing device includes a fingerprint sensor and a processor. The processor performs FFC on the multiple first color original values, multiple second color original values, and multiple third color original values provided by the fingerprint sensor, respectively, to generate multiple first color correction values, multiple second color correction values and multiple third color correction values. The processor inputs the first color correction values, the second color correction values, and the third color correction values to a determining module to determine whether the target object is a real finger.

Abstract: An under-screen fingerprint sensing device and fingerprint sensing method are provided. The under-screen fingerprint sensing device includes a fingerprint sensor and a processor. The processor performs a first FFC on a first color original value, a second color original value, and a third color original value provided by the fingerprint sensor to determine whether a target object is a real finger. When the processor determines that the target object is an unreal finger, the processor performs a second FFC on the first color original value, the second color original value, and the third color original value to determine again whether the target object is the real finger.

Abstract: A fingerprint sensing apparatus adapted to sense a fingerprint of a user. The fingerprint sensing device includes an image sensor (110), a light source (120) and a light guide plate (130). The image sensor (110) is provided on a first side (S1) of the light guide plate (130), and the light source (120) is provided on a second side (S2) of the light guide plate (130). The first side (S1) is opposite to the second side (S2). The light guide plate (130) includes a plurality of optical fiber devices (132), each optical fiber device (132) including a fingerprint end (E1) adjacent to the fingerprint and a sensing end (E2) adjacent to the image sensor (110). Cross-sectional areas of fiber cores (132a) of the optical fiber devices decrease from the fingerprint end (E1) to the sensing end (E2). The fingerprint sensing apparatus can have a good optical quality with a thin volume.

Abstract: An under-screen fingerprint sensing device and a fingerprint sensing method are provided. The under-screen fingerprint sensing device includes a fingerprint sensor and a processor. The processor performs a first FFC on the first color original value, the second color original value, and the third color original value to determine whether the current sensing environment is a strong light environment. When the processor determines that the current sensing environment is a strong light environment, the processor performs a second FFC on the first color original value, the second color original value, and the third color original value to determine whether the target object is a real finger.

Abstract: An under-screen fingerprint sensing device and a fingerprint sensing method are provided. The under-screen fingerprint sensing device includes a fingerprint sensor and a processor. When the fingerprint sensor senses a target object, a first color pixel, a second color pixel, and a third color pixel of the fingerprint sensor respectively output a first color original value, a second color original value, and a third color original value. The processor performs FFC on the first color original value, the second color original value, and the third color original value respectively to generate a first color correction value, a second color correction value, and a third color correction value. The processor determines whether the target object is a real finger according to the first color correction value, the second color correction value, and the third color correction value.

Abstract: A method for fingerprint authentication according to an embodiment of the present disclosure includes, in response to receiving an authentication request, performing fingerprint image acquisition and comparison of a first mode, and selectively performing fingerprint image acquisition and comparison of a second mode, and performing authentication at least based on a comparison result of the first mode. In the first mode, a fingerprint image generated by a pressing operation of a target finger in a fingerprint acquisition area is acquired, and in the second mode, a fingerprint image sequence generated by a sliding operation of the target finger in the fingerprint acquisition area is acquired. A selective fingerprint authentication security mode can be provided as needed, so as to meet various authentication requirements.

Abstract: A fingerprint sensing device and an operation method thereof are provided. The fingerprint sensing device includes a sensing pixel array and a processing circuit. The sensing pixel array senses a finger during a fingerprint sensing period to obtain a fingerprint sensing signal. At least one pixel area of the sensing pixel array further continuously senses the finger during the fingerprint sensing period to obtain a physiological characteristic signal. The processing circuit is coupled to the sensing pixel array. The processing circuit generates a fingerprint image according to the fingerprint sensing signal, and generates physiological characteristic information according to the physiological characteristic signal.

Abstract: An anti-counterfeiting method and a system for under-screen fingerprint identification are provided. A fingerprint sensing apparatus includes a display device and a fingerprint sensor, and the method includes the following steps. A fingerprint sensing image is captured for an object on the display device through the fingerprint sensor. The fingerprint sensing image is calibrated by using a color calibration parameter to generate a calibrated image. Whether the object is a real finger is determined by using an anti-counterfeiting algorithm and the calibrated image.

Abstract: An image sensor chip and a sensing method thereof are provided. The image sensor chip includes a pixel array. The pixel array includes a plurality of pixel units, and each of the pixel units includes a light sensing circuit, a reset switch and an output circuit. The reset switch is coupled to a first terminal of the light sensing circuit. The reset switch resets the light sensing circuit during reset period. The output circuit is coupled to the first terminal of the light sensing circuit. The output circuit of the pixel unit outputs difference information corresponding to the difference between the first sensing result of the light sensing circuit in a first frame period and the second sensing result of the light sensing circuit in a second frame period after the first frame period to a corresponding one of a plurality of readout lines of the pixel array.

Abstract: The present invention provides an electronic device, used for sensing a fingerprint image of a finger and comprising a display module, a sensing module, and a controller. The display module comprises a plurality of light emitting pixels arranged in an array, has a fingerprint sensing region, and is configured to provide an irradiation beam to the finger. The sensing module is disposed below the fingerprint sensing region and is configured to receive the irradiation beam reaching the sensing module after being reflected by the finger, so as to generate the fingerprint image. The controller is electrically connected to the display module to control light emission of the display module, wherein the controller calculates a distribution curve of light intensity with respect to position of a plurality of different colored lights at a specific time to control light emission of each light emitting pixel of the display module.

Abstract: An integrated spectrum sensing device for real-finger judgement includes a fingerprint sensing array, an optical unit and a signal processing unit. The fingerprint sensing array optically coupled to the optical unit includes multiple spectrum detecting units receiving light from a finger through the optical unit to detect spectrum distributions or variations outputted from the finger to obtain multiple sets of heterogeneous spectrum data. The signal processing unit electrically coupled to the spectrum detecting units performs measurement domain analysis according to the sets of heterogeneous spectrum data to judge whether the finger is real. A sensing method is also disclosed.

Abstract: An electronic device for sensing a fingerprint image of a finger, and including a light-emitting element, a sensing module, and a controller, is provided. The light-emitting element includes multiple light-emitting pixels arranged in an array, and has a fingerprint sensing region. The sensing module is disposed underneath the fingerprint sensing region to receive an irradiation beam that reaches the sensing module after being reflected by the finger, so as to generate the fingerprint image. The controller is electrically connected to the light-emitting element. The fingerprint sensing region is divided into at least a first region and a second region from its center to its periphery. When the light-emitting element provides the irradiation beam to irradiate the finger, the controller controls a light emission time of the light-emitting pixels in the first region to be shorter than a light emission time of the light-emitting pixels in the second region.

Abstract: A sensing apparatus and a sensing method of the sensing apparatus are provided. A charging control circuit of the sensing apparatus adjusts a value of a sensing current to increase a charging rate of the sensing current for charging an output capacitor and shorten time for an output sensing voltage to reach a stable state.

Abstract: An electronic device with fingerprint sensing function including a fingerprint sensing array, multiple fingerprint sensing signal readout lines, multiple touch driving lines, a touch driving circuit, and a read circuit is provided. The fingerprint sensing array includes multiple fingerprint sensing units arranged in array. The fingerprint sensing signal readout lines are respectively coupled to a column of fingerprint sensing units of the fingerprint sensing array. The touch driving lines are respectively interleaved with the fingerprint sensing signal readout lines. The touch driving circuit is coupled to the touch driving lines, and provides multiple touch driving signals to the touch driving lines. The read circuit is coupled to the fingerprint sensing signal readout lines. In response to the touch driving lines outputting the touch driving signals, the read circuit determines a touch position of a touch object based on multiple read signals output by the fingerprint sensing signal readout lines.