Patents Assigned to Egis Technology Inc.
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Publication number: 20200210677Abstract: An electronic apparatus and an under-screen fingerprint sensing method thereof are provided. The electronic apparatus includes a processing circuit, a touch panel, and a fingerprint sensing apparatus. The processing circuit is coupled to the touch panel and the fingerprint sensing apparatus. The fingerprint sensing apparatus includes a plurality of optical fingerprint sensing units. The touch panel provides touch information of a finger to the processing circuit in response to the finger touch detected by the touch panel. The processing circuit determines a fingerprint sensing region based on the touch information and drives a plurality of first sensing-enabled-units among the optical fingerprint sensing units based on the fingerprint sensing region, such that the fingerprint sensing apparatus obtains a fingerprint image of the finger via the first sensing-enabled-units. The first sensing-enabled-units are a part of the optical fingerprint sensing units.Type: ApplicationFiled: November 27, 2019Publication date: July 2, 2020Applicant: Egis Technology Inc.Inventor: Chen-Chang Huang
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Patent number: 10680121Abstract: An optical fingerprint sensor is provided. The optical fingerprint sensor includes a sensing module. The sensing module includes a light sensing layer and a light filter layer disposed above the light sensing layer. The light sensing layer includes a plurality of photo detectors arranged in a sensing array. The light filter layer includes a plurality of collimators. The collimators are divided into a plurality of collimator groups corresponding to the photo detectors, and the number of collimator groups is equal to the number of photo detectors. Each of the collimator groups comprises the same number of collimators arranged in a specific pattern and disposed above the corresponding photo detector. The photo detectors receive reflected light from a user's finger through the collimators of the corresponding collimator groups.Type: GrantFiled: June 13, 2018Date of Patent: June 9, 2020Assignee: EGIS TECHNOLOGY INC.Inventors: Yu-Hsiang Huang, Tong-Long Fu, Chen-Chih Fan
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Publication number: 20200175240Abstract: The disclosure provides a fingerprint sensor and a fingerprint sensing method thereof. The fingerprint sensor includes an optical sensing array, an analog front end circuit and an image processing circuit. The optical sensing array is configured for sequentially outputting a plurality of analog fingerprint images corresponding to a finger. The analog front end circuit is coupled to the optical sensing array. The analog front end circuit is configured for sequentially receiving and converting the plurality of analog fingerprint images into a plurality of first digital fingerprint images. The image processing circuit is coupled to the analog front end circuit. The image processing circuit is configured for sequentially superimposing the plurality of first digital fingerprint images to generate an enhanced fingerprint image.Type: ApplicationFiled: September 28, 2019Publication date: June 4, 2020Applicant: Egis Technology Inc.Inventors: Yung-Fu Chen, Chih-Hsien Weng, Chih-Ming Yuan
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Publication number: 20200175142Abstract: An electronic device with a fingerprint sensing function and a fingerprint image processing method are provided. The electronic device includes a processor, a fingerprint sensor, and a temperature sensor. The fingerprint sensor is coupled to the processor. The fingerprint sensor is configured to obtain a current fingerprint image. The temperature sensor is coupled to the processor. The temperature sensor is configured to obtain current temperature information. The processor obtains current background noise according to the current temperature information, and removes the background noise from the current fingerprint image to generate a corrected fingerprint image.Type: ApplicationFiled: September 23, 2019Publication date: June 4, 2020Applicant: Egis Technology Inc.Inventors: Yuan-Lin Chiang, Yu-Chun Cheng, Yong-Huai Huang
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Patent number: 10645302Abstract: An image sensing device includes a sensing module, including a plurality of sensing units, for generating a plurality of first sensing signals and a plurality of second sensing signals; and a plurality of control units, respectively corresponding to the plurality of sensing units, for exposing the plurality of sensing units based on a first exposure period to generate the plurality of first sensing signals, and determining a plurality of second exposure periods for the corresponding sensing units according to the plurality of first sensing signals, and exposing the plurality of sensing units based on the plurality of second exposure periods to generate the plurality of second sensing signals; wherein the plurality of first sensing signals and the plurality of second sensing signals are generated at different times.Type: GrantFiled: January 31, 2018Date of Patent: May 5, 2020Assignee: Egis Technology Inc.Inventors: Tong-Long Fu, Yu-Hsiang Huang, Chun-Ching Tseng
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Publication number: 20200117933Abstract: Provided is a light-emitting intensity control method, which is suitable for an electronic device. The electronic device includes a processing component, a light-emitting component, and a sensing module. The light-emitting component includes a fingerprint sensing region. The sensing module is disposed below the fingerprint sensing region. The light-emitting intensity control method includes the following steps: controlling, by the processing component, the fingerprint sensing region of the light-emitting component to emit an optimized illumination beam to a finger above the fingerprint sensing region according to optimized data. The light intensity distribution of the optimized illumination beam is non-uniform. The fingerprint sensing region is divided at least into a first region and a second region from the center to the periphery. The light intensity of the first region is smaller than the light intensity of the second region. Besides, an electronic device is also proposed.Type: ApplicationFiled: October 4, 2019Publication date: April 16, 2020Applicant: Egis Technology Inc.Inventors: Chu-Hsin Chang, Chun-Ching Tseng, Kuan-Yi Lin
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Publication number: 20200106979Abstract: A sensing module is provided, including a sensing unit. The sensing unit is formed by a plurality of sensing pixels arranged in an array. Each of the plurality of sensing pixels includes a body and a sensing element. The sensing element is disposed on a bottom surface of the body. During sensing, a light may enter and pass through the bodies and be transmitted to the sensing elements. The sensing pixels are divided into at least a first group and a second group from a center of the array to a periphery of the array, and photon collection efficiency of sensing pixels in the first group is less than photon collection efficiency of sensing pixels in the second group. Meanwhile, a design method of a sensing module is also provided.Type: ApplicationFiled: September 12, 2019Publication date: April 2, 2020Applicant: Egis Technology Inc.Inventor: Chia-Yu Liu
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Patent number: 10489920Abstract: A method for determining the moving direction of a finger includes: sensing a fingerprint of the finger to generate a first frame at a first sampling time point, wherein the first frame includes a plurality of first blocks; sensing the fingerprint to generate a second frame at a second sampling time point, wherein the second frame includes a plurality of second blocks, wherein each of the second blocks corresponds to one of the first blocks; comparing each of the first blocks with its corresponding second block to obtain moving information of such second block; and determining the moving direction of the finger according to moving information of all of the second blocks.Type: GrantFiled: November 14, 2017Date of Patent: November 26, 2019Assignee: EGIS TECHNOLOGY INC.Inventors: Yuan-Lin Chiang, I-Wen Hsi
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Patent number: 10388689Abstract: A fingerprint identification system, comprising panel, for placing finger; light source, disposed under panel, for generating incident light, wherein incident light is emitted to and reflected by finger to generate reflected light; processor, for performing fingerprint identification on finger according to plurality of sensing signals; and optical sensing array, disposed under panel and coupled to processor, comprising plurality of sensing units for generating plurality of sensing signals, each of sensing units comprising optical sensor, for receiving reflected light reflected by finger to generate sensing signal; focusing layer, disposed under panel, for focusing reflected light reflected by finger; blocking layer, disposed under focusing layer, for blocking part of reflected light to reduce diffraction phenomenon of reflected light; shading layer, disposed under blocking layer, for blocking part of reflected light to limit incident angle of reflected light; and aperture layer, disposed under shading layer aType: GrantFiled: January 15, 2018Date of Patent: August 20, 2019Assignee: Egis Technology Inc.Inventors: Yu-Hsiang Huang, Chen-Chih Fan, Tong-Long Fu
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Patent number: 10387138Abstract: An electronic device and a registration template generating method are provided. The method includes: obtaining first biometric information; determining, by first software, whether the first biometric information passes verification according to the first biometric information and a first registration template; generating, by second software, a pre-enrolled dataset according to the first biometric information if the first biometric information passes verification; generating a second registration template corresponding to the second software according to the pre-enrolled dataset when an amount of data of the pre-enrolled dataset is greater than a threshold; and determining, by the second software, whether second biometric information passes verification according to the second biometric information and the second registration template when the second biometric information is obtained.Type: GrantFiled: May 11, 2018Date of Patent: August 20, 2019Assignee: Egis Technology Inc.Inventors: Yuan-Lin Chiang, Yu-Chun Cheng
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Publication number: 20190220646Abstract: A fingerprint registration method and an electronic device using the same are provided. The fingerprint registration method includes the following steps: sequentially obtaining a plurality of swipe frames of a fingerprint by a fingerprint sensor; sequentially analyzing the swipe frames by a processor to obtain a plurality of feature points; sequentially merging the feature points of the swipe frames into pre-registration data by the processor; sequentially updating a completion area displayed on a user interface by the processor according to relative position relationships of the feature points of the swipe frames; and determining whether the pre-registration data satisfies a preset completion condition by the processor, so as to determine whether to end the fingerprint registration.Type: ApplicationFiled: March 21, 2019Publication date: July 18, 2019Applicant: Egis Technology Inc.Inventors: Yuan-Lin Chiang, Yuan-Chang Fan
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Patent number: 10282578Abstract: An array sensor is provided. The array sensor includes a sensing array, a memory array, and an access module. The sensing array includes a plurality of sensing units, wherein each of the sensing units includes a sensing electrode. The memory array includes a plurality of memory units, wherein each of the memory units is disposed below the corresponding sensing unit or between the two adjacent sensing units. The access module selectively reads a sensing value of the sensing electrode of the sensing unit to provide a sensing output, or accesses the memory unit.Type: GrantFiled: March 22, 2016Date of Patent: May 7, 2019Assignee: Egis Technology Inc.Inventor: Todd Lin
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Publication number: 20190114461Abstract: A display method of user interface and an electronic apparatus using the same are provided. The display method of user interface is applied to fingerprint registration, and includes: sensing an object and obtaining a swiping image of the object; analyzing the swiping image to obtain a plurality of feature points of the swiping image; generating a pre-registration dataset according to the feature points, and analyzing the pre-registration dataset to obtain an image adjusting parameter; and displaying a user interface, and adjusting a range of a filled region of a reference image on the user interface according to the image adjusting parameter. Therefore, the user learns a real-time information of fingerprint registration progress when the user performs fingerprint registration in a swiping manner.Type: ApplicationFiled: August 21, 2018Publication date: April 18, 2019Applicant: Egis Technology Inc.Inventors: Yuan-Lin Chiang, Jun-Chao Lu, Hsien-Jen Hsu
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Publication number: 20190095188Abstract: An electronic device and a registration template generating method are provided. The method includes: obtaining first biometric information; determining, by first software, whether the first biometric information passes verification according to the first biometric information and a first registration template; generating, by second software, a pre-enrolled dataset according to the first biometric information if the first biometric information passes verification; generating a second registration template corresponding to the second software according to the pre-enrolled dataset when an amount of data of the pre-enrolled dataset is greater than a threshold; and determining, by the second software, whether second biometric information passes verification according to the second biometric information and the second registration template when the second biometric information is obtained.Type: ApplicationFiled: May 11, 2018Publication date: March 28, 2019Applicant: Egis Technology Inc.Inventors: Yuan-Lin Chiang, Yu-Chun Cheng
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Patent number: 10210372Abstract: A fingerprint sensor for sensing fingerprint information of a finger is provided. The fingerprint sensor includes a sensing array including a plurality of sensing units, an insulating surface disposed on the sensing array, a readout module, a memory array including a plurality of memory units respectively corresponding to the sensing units, and a processor. Each of the sensing units includes a sensing electrode. The readout module reads a sensing voltage of the sensing electrode of each of the sensing units, and provides a sensing output according to the sensing voltage. Each of the memory units is adjacent to the corresponding sensing unit and stores information of the corresponding sensing unit. The processor obtains the fingerprint information of the finger according to the sensing output and the information stored in the memory unit.Type: GrantFiled: March 11, 2015Date of Patent: February 19, 2019Assignee: Egis Technology Inc.Inventors: Hsu-Heng Wu, Gong-Yi Lin
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Patent number: 10203826Abstract: A low cost, two-dimensional, fingerprint sensor includes a pixel array, each pixel including a switch and a pixel electrode for forming a capacitance with a fingertip. One or more active transmission electrodes are spaced from a selected row of the pixel array, and transmit a carrier signal into the finger without direct coupling into the selected pixels. Signals sensed by the pixel array are coupled to an independent integrated circuit, and connections between the IC and the pixel array are reduced by demultiplexing row select lines, and by multiplexing sensed column data. Differential sensing may be used to improve common mode noise rejection. The fingerprint sensor may be conveniently incorporated within a conventional touchpad LCD panel, and can mimic the performance of lower density touchpad pixels.Type: GrantFiled: July 18, 2017Date of Patent: February 12, 2019Assignee: EGIS TECHNOLOGY INC.Inventors: Richard B. Nelson, Richard A. Erhart
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Patent number: 10203828Abstract: A low cost, two-dimensional, fingerprint sensor includes a pixel array, each pixel including a switch and a pixel electrode for forming a capacitance with a fingertip. One or more active transmission electrodes are spaced from a selected row of the pixel array, and transmit a carrier signal into the finger without direct coupling into the selected pixels. Signals sensed by the pixel array are coupled to an independent integrated circuit, and connections between the IC and the pixel array are reduced by demultiplexing row select lines, and by multiplexing sensed column data. Differential sensing may be used to improve common mode noise rejection. The fingerprint sensor may be conveniently incorporated within a conventional touchpad LCD panel, and can mimic the performance of lower density touchpad pixels.Type: GrantFiled: August 11, 2017Date of Patent: February 12, 2019Assignee: EGIS TECHNOLOGY INC.Inventors: Richard B. Nelson, Richard A. Erhart
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Patent number: 10203827Abstract: A low cost, two-dimensional, fingerprint sensor includes a pixel array, each pixel including a switch and a pixel electrode for forming a capacitance with a fingertip. One or more active transmission electrodes are spaced from a selected row of the pixel array, and transmit a carrier signal into the finger without direct coupling into the selected pixels. Signals sensed by the pixel array are coupled to an independent integrated circuit, and connections between the IC and the pixel array are reduced by demultiplexing row select lines, and by multiplexing sensed column data. Differential sensing may be used to improve common mode noise rejection. The fingerprint sensor may be conveniently incorporated within a conventional touchpad LCD panel, and can mimic the performance of lower density touchpad pixels.Type: GrantFiled: July 18, 2017Date of Patent: February 12, 2019Assignee: EGIS TECHNOLOGY INC.Inventors: Richard B. Nelson, Richard A. Erhart
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Patent number: 10203816Abstract: A low cost, two-dimensional, fingerprint sensor includes a pixel array, each pixel including a switch and a pixel electrode for forming a capacitance with a fingertip. One or more active transmission electrodes are spaced from a selected row of the pixel array, and transmit a carrier signal into the finger without direct coupling into the selected pixels. Signals sensed by the pixel array are coupled to an independent integrated circuit, and connections between the IC and the pixel array are reduced by demultiplexing row select lines, and by multiplexing sensed column data. Differential sensing may be used to improve common mode noise rejection. The fingerprint sensor may be conveniently incorporated within a conventional touchpad LCD panel, and can mimic the performance of lower density touchpad pixels.Type: GrantFiled: April 3, 2014Date of Patent: February 12, 2019Assignee: EGIS TECHNOLOGY INC.Inventors: Richard B. Nelson, Richard A. Erhart
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Patent number: 10089349Abstract: A method and electronic device for updating registered fingerprint datasets of fingerprint recognition are provided.Type: GrantFiled: July 20, 2015Date of Patent: October 2, 2018Assignee: Egis Technology Inc.Inventors: Yuan-Lin Chiang, Yu-Chun Cheng