Patents by Inventor Yen Kuo Lo
Yen Kuo Lo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11967172Abstract: A device includes a touch-mode biometric sensor having a first side facing toward a user and a second side opposite to the first side, and a display arranged under the touch-mode biometric sensor and adjacent to the second side and configured to display an image in response to a sensing result, associated with a biometric feature of the user, of the touch-mode biometric sensor.Type: GrantFiled: June 1, 2021Date of Patent: April 23, 2024Assignee: IMAGE MATCH DESIGN INC.Inventors: Chia-Ming Wu, Yan-Quan Pan, Yen-Kuo Lo, Yeh-Suan Yan
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Publication number: 20230148255Abstract: A device includes a first biometric sensor formed on a substrate and configured to access a first biometric feature of a user, and a second biometric sensor arranged under the first biometric sensor and configured to access second a biometric feature of the user. The second biometric sensor includes a light emitter configured to emit light to reach the user through the substrate and receive a reflection light for deriving the second biometric feature.Type: ApplicationFiled: January 13, 2023Publication date: May 11, 2023Inventors: CHIA-MING WU, YAN-QUAN PAN, YEN-KUO LO, YEH-SUAN YAN
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Patent number: 11610426Abstract: A sensor device includes a biometric sensor, which includes a substrate and a plurality of sensing electrodes over the substrate. The sensor device also includes an amplifier electrically coupled to the biometric sensor and configured to provide an output signal in response to a touch event received by the biometric sensor. The sensor device further includes an interface circuit arranged between the amplifier and the plurality of sensing electrodes.Type: GrantFiled: July 6, 2021Date of Patent: March 21, 2023Assignee: IMAGE MATCH DESIGN INC.Inventors: Yan-Quan Pan, Yen-Kuo Lo, Yeh-Suan Yan, Chia-Ming Wu
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Publication number: 20220358305Abstract: The invention provides a voltage sensing fingerprint recognition device and a fingerprint recognition method thereof. The voltage sensing fingerprint recognition device includes: a sensor arranged on a substrate, and the sensor including a plurality of sensing pads, the sensing pads respectively arranged in a plurality of rows, and each row having at least two sensing pads, each sensing pad receiving a trigger voltage; and a voltage receiver, electrically connected to each sensing pad; when the voltage receiver captures one sensed voltage value of the sensing pads in any row, the sensing pads in the row stop receiving the trigger voltage. The present invention does not require an additional frame, so it is applied to the display surface of electronic products.Type: ApplicationFiled: May 10, 2021Publication date: November 10, 2022Inventors: Yen-Kuo Lo, Yeh-Suan Yan
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Patent number: 11495042Abstract: The invention provides a voltage sensing fingerprint recognition device and a fingerprint recognition method thereof. The voltage sensing fingerprint recognition device includes: a sensor arranged on a substrate, and the sensor including a plurality of sensing pads, the sensing pads respectively arranged in a plurality of rows, and each row having at least two sensing pads, each sensing pad receiving a trigger voltage; and a voltage receiver, electrically connected to each sensing pad; when the voltage receiver captures one sensed voltage value of the sensing pads in any row, the sensing pads in the row stop receiving the trigger voltage. The present invention does not require an additional frame, so it is applied to the display surface of electronic products.Type: GrantFiled: May 10, 2021Date of Patent: November 8, 2022Assignee: IMAGE MATCH DESIGN INC.Inventors: Yen-Kuo Lo, Yeh-Suan Yan
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Publication number: 20220350441Abstract: The fingerprint recognition device of the present invention includes: a substrate; a sensor located on the substrate and the sensor including a plurality of sensing finger touch pads around thereof; an oscillator, electrically connected to the plurality of sensing finger touch pads, and outputting at least one oscillating frequency signal; a timer outputting a clock signal to the oscillator; and a counting and digital comparator, counting and comparing the oscillating frequency signals. The fingerprint recognition method of the present invention includes: the oscillator receiving the clock signal and outputting the oscillation frequency signal; a finger touching the plurality of sensing finger touch pads; and counting and comparing the oscillation frequency signal and the oscillation frequency signal after the touch. The present invention is applied to the display surface of the electronic product, and detects whether the finger touches the fingerprint recognition device.Type: ApplicationFiled: May 3, 2021Publication date: November 3, 2022Inventors: Yen-Kuo Lo, Yeh-Suan Yan
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Patent number: 11474650Abstract: The fingerprint recognition device of the present invention includes: a substrate; a sensor located on the substrate and the sensor including a plurality of sensing finger touch pads around thereof; an oscillator, electrically connected to the plurality of sensing finger touch pads, and outputting at least one oscillating frequency signal; a timer outputting a clock signal to the oscillator; and a counting and digital comparator, counting and comparing the oscillating frequency signals. The fingerprint recognition method of the present invention includes: the oscillator receiving the clock signal and outputting the oscillation frequency signal; a finger touching the plurality of sensing finger touch pads; and counting and comparing the oscillation frequency signal and the oscillation frequency signal after the touch. The present invention is applied to the display surface of the electronic product, and detects whether the finger touches the fingerprint recognition device.Type: GrantFiled: May 3, 2021Date of Patent: October 18, 2022Assignee: IMAGE MATCH DESIGN INC.Inventors: Yen-Kuo Lo, Yeh-Suan Yan
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Publication number: 20220164562Abstract: A sensor device includes a biometric sensor, which includes a substrate and a plurality of sensing electrodes over the substrate. The sensor device also includes an amplifier electrically coupled to the biometric sensor and configured to provide an output signal in response to a touch event received by the biometric sensor. The sensor device further includes an interface circuit arranged between the amplifier and the plurality of sensing electrodes.Type: ApplicationFiled: July 6, 2021Publication date: May 26, 2022Inventors: YAN-QUAN PAN, YEN-KUO LO, YEH-SUAN YAN, CHIA-MING WU
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Publication number: 20220164564Abstract: A device includes a touch-mode biometric sensor having a first side facing toward a user and a second side opposite to the first side, and a display arranged under the touch-mode biometric sensor and adjacent to the second side and configured to display an image in response to a sensing result, associated with a biometric feature of the user, of the touch-mode biometric sensor.Type: ApplicationFiled: June 1, 2021Publication date: May 26, 2022Inventors: Chia-Ming Wu, Yan-Quan Pan, Yen-Kuo Lo, Yeh-Suan Yan
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Patent number: 10650214Abstract: A fingerprint sensor is disclosed. The fingerprint sensor includes a sensor plate, a voltage source, a control circuit and a first conductive plate. The sensor plate detects a first capacitance in response to a touch event on the fingerprint sensor. The voltage source establishes a predetermined voltage difference between a first node and a second node. The control circuit, connected to the sensor plate via the first node, charges a first capacitor associated with the first capacitance during a charge period, and discharges the first capacitor during a discharge period. The first conductive plate, separated from the sensor plate, is coupled with the voltage source via the second node. During the charge period and the discharge period of the control circuit, a voltage difference between the sensor plate and the first conductive plate is maintained at the predetermined voltage difference.Type: GrantFiled: April 24, 2018Date of Patent: May 12, 2020Assignee: IMAGE MATCH DESIGN INC.Inventors: Yehsuan Yan, Yen-Kuo Lo
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Publication number: 20190325184Abstract: A fingerprint sensor is disclosed. The fingerprint sensor includes a sensor plate, a voltage source, a control circuit and a first conductive plate. The sensor plate detects a first capacitance in response to a touch event on the fingerprint sensor. The voltage source establishes a predetermined voltage difference between a first node and a second node. The control circuit, connected to the sensor plate via the first node, charges a first capacitor associated with the first capacitance during a charge period, and discharges the first capacitor during a discharge period. The first conductive plate, separated from the sensor plate, is coupled with the voltage source via the second node. During the charge period and the discharge period of the control circuit, a voltage difference between the sensor plate and the first conductive plate is maintained at the predetermined voltage difference.Type: ApplicationFiled: April 24, 2018Publication date: October 24, 2019Inventors: YEHSUAN YAN, YEN-KUO LO
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Patent number: 9984273Abstract: A fingerprint sensor includes a substrate, a sensing electrode over the substrate, a first electrode and a second electrode. The sensing electrode is configured to detect a capacitance in response to a touch event on the fingerprint sensor. The first electrode is disposed between the substrate and the sensing electrode, while the second electrode is disposed between the first electrode and the sensing electrode. The first electrode and the second electrode are configured to define a capacitance therebetween. The sensitivity of the fingerprint sensor is inversely proportional to the capacitance between the first electrode and the second electrode.Type: GrantFiled: December 30, 2015Date of Patent: May 29, 2018Assignee: IMAGE MATCH DESIGN INC.Inventors: Yen-Kuo Lo, Chia-Hua Yeh
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Publication number: 20180025197Abstract: A fingerprint sensor comprises a substrate, a first sensing electrode over the substrate, a second sensing electrode spaced apart from the first sensing electrode over the substrate, a first conductive plate and a second conductive plate. The first sensing electrode is configured to detect a capacitance in response to a touch event on the fingerprint sensor, and to receive an input signal from a signal source. The second sensing electrode is configured to detect a capacitance in response to the touch event. The first conductive plate is configured to shield at least a portion of each of the first sensing electrode and the second sensing electrode from the substrate. The second conductive plate is disposed between the substrate and the second sensing electrode. The sensitivity of the fingerprint sensor is inversely proportional to the capacitance between the second sensing electrode and the second conductive plate.Type: ApplicationFiled: July 20, 2016Publication date: January 25, 2018Inventors: YEN-KUO LO, CHIA-HUA YEH
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Patent number: 9753598Abstract: A sensing device includes a substrate, a sensing component and a shielding device. The sensing component is configured to detect a touch capacitance in response to a touch event on the sensing device. The shielding device, between the substrate and the sensing component, is configured to distribute electrical energy, and shield the substrate from the sensing component.Type: GrantFiled: December 30, 2015Date of Patent: September 5, 2017Assignee: IMAGE MATCH DESIGN INC.Inventors: Yen-Kuo Lo, Chia-Hua Yeh
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Patent number: 9715617Abstract: A fingerprint sensor includes a first reference capacitor, a second reference capacitor, a first capacitor and a second capacitor. A first reference voltage is established across the first reference capacitor. The first reference voltage is depended on a touch event, a first reference capacitance of the first reference capacitor and a stray capacitance. The second reference capacitor has a first end and a second end, and is being configured to maintain a voltage difference between the first end and the second end, the voltage difference being a function of the first reference voltage. The first capacitor has a first capacitance and is coupled to the first end. The second capacitor has a second capacitance and is selectively coupled in parallel with the first capacitor. The ratio of the stray capacitance to the first reference capacitance equals the ratio of the second capacitance to the first capacitance.Type: GrantFiled: October 28, 2014Date of Patent: July 25, 2017Assignee: IMAGE MATCH DESIGN INC.Inventors: Ting-Sing Wang, Yen-Kuo Lo
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Publication number: 20170192553Abstract: A sensing device includes a substrate, a sensing component and a shielding device. The sensing component is configured to detect a touch capacitance in response to a touch event on the sensing device. The shielding device, between the substrate and the sensing component, is configured to distribute electrical energy, and shield the substrate from the sensing component.Type: ApplicationFiled: December 30, 2015Publication date: July 6, 2017Inventors: YEN-KUO LO, CHIA-HUA YEH
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Publication number: 20170193262Abstract: A fingerprint sensor includes a substrate, a sensing electrode over the substrate, a first electrode and a second electrode. The sensing electrode is configured to detect a capacitance in response to a touch event on the fingerprint sensor. The first electrode is disposed between the substrate and the sensing electrode, while the second electrode is disposed between the first electrode and the sensing electrode. The first electrode and the second electrode are configured to define a capacitance therebetween. The sensitivity of the fingerprint sensor is inversely proportional to the capacitance between the first electrode and the second electrode.Type: ApplicationFiled: December 30, 2015Publication date: July 6, 2017Inventors: Yen-Kuo Lo, Chia-Hua Yeh
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Publication number: 20160364045Abstract: A sensing device includes a sensing component and a substrate. The sensing component is configured to extend in a first direction, and detect a capacitance in response to a touch event of an object on the sensing device. The substrate is configured to define a first capacitance with the sensing component, and provide a second capacitance. The first capacitance and the second capacitance are connected in series with respect to the sensing component.Type: ApplicationFiled: March 16, 2016Publication date: December 15, 2016Inventors: YEN-KUO LO, CHIA-HUA YEH
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Publication number: 20160313847Abstract: A sensing device for detecting a capacitance in response to a touch event of an object is provided. The sensing device includes a first conductive component and a second conductive component. The first conductive component is formed in a first patterned conductive layer, and has a first sidewall and a second sidewall. The second conductive component is formed in the first patterned conductive layer, and has a first sidewall opposed to the first sidewall of the first conductive component, and a second sidewall opposed to the second sidewall of the first conductive component. The first sidewalls of the first conductive component and the second conductive component define a first capacitance therebetween, and the second sidewalls of the first conductive component and the second. conductive component define a second capacitance therebetween.Type: ApplicationFiled: December 30, 2015Publication date: October 27, 2016Inventors: YEN-KUO LO, CHIA-HUA YEH
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Publication number: 20150346253Abstract: The present disclosure provides a fingerprint sensor that comprises a first reference capacitor, a second reference capacitor, a first capacitor and a second capacitor. A first reference voltage is established across the first reference capacitor. The first reference voltage is a function of a capacitance detected in response to a touch event, a first reference capacitance of the first reference capacitor and a stray capacitance. The second reference capacitor has a first end and a second end, and is being configured to maintain a voltage difference between the first end and the second end, the voltage difference being a function of the first reference voltage. The first capacitor has a first capacitance and is coupled to the first end of the second reference capacitor. The second capacitor has a second capacitance and is selectively coupled in parallel with the first capacitor.Type: ApplicationFiled: October 28, 2014Publication date: December 3, 2015Inventors: TING-SING WANG, YEN-KUO LO