Patents by Inventor Ya-Hsiang Tai
Ya-Hsiang Tai 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: 11676415Abstract: A sensing device includes a sensing circuit, a conductive line, and a sampling circuit. The conductive line is electrically connected to the sensing circuit. The sampling circuit is electrically connected to the conductive line. The sampling circuit includes a capacitor, a first thin film transistor, and a second thin film transistor. The first terminal of the first thin film transistor is electrically connected to the first terminal of the capacitor. The first terminal of the second thin film transistor is electrically connected to the second terminal of the capacitor. The second terminal of the first thin film transistor is electrically connected to the conductive line. The second terminal of the second thin film transistor is electrically connected to the ground terminal.Type: GrantFiled: March 8, 2022Date of Patent: June 13, 2023Assignee: INNOLUX CORPORATIONInventors: Te-Yu Lee, Hui-Ching Yang, Yang-Jui Huang, Ya-Li Tsai, Ya-Hsiang Tai
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Patent number: 11619753Abstract: The disclosure provides a processing circuit adapted to read out a sensing voltage of an X-ray sensor and a signal processing method of a sampling circuit. The processing circuit includes an amplifier and the sampling circuit. An inverting input terminal of the amplifier is coupled to the X-ray sensor. The sampling circuit is coupled to an output terminal of the amplifier. The sampling circuit obtains a first voltage, a second voltage, and a sampling voltage of the X-ray sensor in different periods. The sampling voltage is between the first voltage and the second voltage. In the readout period, the sampling circuit subtracts the second voltage from the sampling voltage to obtain a third voltage, subtracts the second voltage from the first voltage to obtain a fourth voltage, and divides the third voltage by the fourth voltage to read out the sensing voltage of the X-ray sensor.Type: GrantFiled: June 28, 2021Date of Patent: April 4, 2023Assignees: InnoCare Optoelectronics Corporation, National Yang Ming Chiao Tung UniversityInventors: Zhi-Hong Wang, Hsin-Hung Lin, Chih-Hao Wu, Yu-Lun Hsieh, Ya-Hsiang Tai, Cheng Che Tu
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Publication number: 20220327855Abstract: A sensing device includes a sensing circuit, a conductive line, and a sampling circuit. The conductive line is electrically connected to the sensing circuit. The sampling circuit is electrically connected to the conductive line. The sampling circuit includes a capacitor, a first thin film transistor, and a second thin film transistor. The first terminal of the first thin film transistor is electrically connected to the first terminal of the capacitor. The first terminal of the second thin film transistor is electrically connected to the second terminal of the capacitor. The second terminal of the first thin film transistor is electrically connected to the conductive line. The second terminal of the second thin film transistor is electrically connected to the ground terminal.Type: ApplicationFiled: March 8, 2022Publication date: October 13, 2022Inventors: Te-Yu LEE, Hui-Ching YANG, Yang-Jui HUANG, Ya-Li TSAI, Ya-Hsiang TAI
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Patent number: 11317040Abstract: The present disclosure provides an image sensing apparatus, including: a substrate; a plurality of pixels disposed in an array on the substrate, wherein each pixel includes a first photosensitive element and a pixel switch, and the first photosensitive element is configured to generate a first electrical signal including signal light information and ambient light information; and an environment sensor including at least one second photosensitive element, wherein the at least one second photosensitive element is configured to generate a second electrical signal including ambient light information. The image sensing apparatus according to embodiments of the present disclosure can effectively eliminate the influence of ambient light on the image capturing and improve the imaging quality.Type: GrantFiled: June 23, 2020Date of Patent: April 26, 2022Assignee: Shanghai Harvest Intelligence Technology Co., Ltd.Inventors: YA-Hsiang Tai, Chung-Wen Lai
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Publication number: 20220026591Abstract: The disclosure provides a processing circuit adapted to read out a sensing voltage of an X-ray sensor and a signal processing method of a sampling circuit. The processing circuit includes an amplifier and the sampling circuit. An inverting input terminal of the amplifier is coupled to the X-ray sensor. The sampling circuit is coupled to an output terminal of the amplifier. The sampling circuit obtains a first voltage, a second voltage, and a sampling voltage of the X-ray sensor in different periods. The sampling voltage is between the first voltage and the second voltage. In the readout period, the sampling circuit subtracts the second voltage from the sampling voltage to obtain a third voltage, subtracts the second voltage from the first voltage to obtain a fourth voltage, and divides the third voltage by the fourth voltage to read out the sensing voltage of the X-ray sensor.Type: ApplicationFiled: June 28, 2021Publication date: January 27, 2022Applicants: InnoCare Optoelectronics Corporation, National Yang Ming Chiao Tung UniversityInventors: Zhi-Hong Wang, Hsin-Hung Lin, Chih-Hao Wu, Yu-Lun Hsieh, Ya-Hsiang Tai, Cheng Che Tu
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Patent number: 11190722Abstract: An image sensor, a signal acquisition method and a signal acquisition circuit of the image sensor, a storage medium and a terminal are provided. The image sensor includes a plurality of pixel modules, and each pixel module includes: n pixel units connected in series to form a closed-loop structure, wherein n?3, each pixel unit has a first terminal and a second terminal, and each pixel unit includes a photosensitive element and a pixel switch connected in series; and n signal readout terminals, wherein each serial connection point between one pixel unit and the other pixel units is connected with a corresponding signal readout terminal; wherein two adjacent pixel modules share a same pixel unit and signal readout terminals connected with the first terminal and the second terminal of the same pixel unit.Type: GrantFiled: May 7, 2020Date of Patent: November 30, 2021Assignee: Shanghai Harvest Intelligence Technology Co., Ltd.Inventors: Ya-Hsiang Tai, Ping-Ju Huang
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Publication number: 20210350107Abstract: The present disclosure provides an apparatus for capturing a fingerprint and an electronic equipment. The apparatus includes: a sensor array, corresponding to a plurality of fingerprint detection areas, wherein each fingerprint detection area corresponds to a plurality of sensors in the sensor array; an area detection circuit, configured to detect a fingerprint detection area where the fingerprint is located; and a fingerprint scanning circuit, configured to scan sensors corresponding to a preset fingerprint detection area based on a detection result of the area detection circuit, wherein the preset fingerprint detection area comprises the fingerprint detection area where the fingerprint is located. With solutions of the present disclosure, a power consumption of the apparatus can be reduced.Type: ApplicationFiled: May 7, 2021Publication date: November 11, 2021Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.Inventor: Ya Hsiang TAI
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Publication number: 20200412985Abstract: The present disclosure provides an image sensing apparatus, including: a substrate; a plurality of pixels disposed in an array on the substrate, wherein each pixel includes a first photosensitive element and a pixel switch, and the first photosensitive element is configured to generate a first electrical signal including signal light information and ambient light information; and an environment sensor including at least one second photosensitive element, wherein the at least one second photosensitive element is configured to generate a second electrical signal including ambient light information. The image sensing apparatus according to embodiments of the present disclosure can effectively eliminate the influence of ambient light on the image capturing and improve the imaging quality.Type: ApplicationFiled: June 23, 2020Publication date: December 31, 2020Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.Inventors: YA-Hsiang TAI, Chung-Wen LAI
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Patent number: 10861374Abstract: A display apparatus including a display panel is provided. The display panel has a plurality of display blocks, wherein each display block includes a light conversion circuit, a pixel array, and a data voltage selection circuit. The light conversion circuit receives the light pulse signal and has a pull-up circuit and a pull-down circuit, wherein the pull-up circuit and the pull-down circuit are coupled between a system high voltage and a system low voltage, and the pull-up circuit and the pull-down circuit output the system high voltage or system low voltage according to the light pulse signal to form a voltage pulse signal. The data voltage selection circuit is coupled to the light conversion circuit and the pixel array and receives an AC waveform voltage to supply a data signal to the pixel array according to the voltage pulse signal.Type: GrantFiled: January 10, 2020Date of Patent: December 8, 2020Assignee: Au Optronics CorporationInventors: Ya-Hsiang Tai, Chi-Hao Lin, Yu-Sheng Huang, Chang-Yi Li
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Publication number: 20200358974Abstract: An image sensor, a signal acquisition method and a signal acquisition circuit of the image sensor, a storage medium and a terminal are provided. The image sensor includes a plurality of pixel modules, and each pixel module includes: n pixel units connected in series to form a closed-loop structure, wherein n?3, each pixel unit has a first terminal and a second terminal, and each pixel unit includes a photosensitive element and a pixel switch connected in series; and n signal readout terminals, wherein each serial connection point between one pixel unit and the other pixel units is connected with a corresponding signal readout terminal; wherein two adjacent pixel modules share a same pixel unit and signal readout terminals connected with the first terminal and the second terminal of the same pixel unit.Type: ApplicationFiled: May 7, 2020Publication date: November 12, 2020Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.Inventors: YA-Hsiang TAI, Ping-Ju HUANG
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Publication number: 20200152114Abstract: A display apparatus including a display panel is provided. The display panel has a plurality of display blocks, wherein each display block includes a light conversion circuit, a pixel array, and a data voltage selection circuit. The light conversion circuit receives the light pulse signal and has a pull-up circuit and a pull-down circuit, wherein the pull-up circuit and the pull-down circuit are coupled between a system high voltage and a system low voltage, and the pull-up circuit and the pull-down circuit output the system high voltage or system low voltage according to the light pulse signal to form a voltage pulse signal. The data voltage selection circuit is coupled to the light conversion circuit and the pixel array and receives an AC waveform voltage to supply a data signal to the pixel array according to the voltage pulse signal.Type: ApplicationFiled: January 10, 2020Publication date: May 14, 2020Applicant: Au Optronics CorporationInventors: Ya-Hsiang Tai, Chi-Hao Lin, Yu-Sheng Huang, Chang-Yi Li
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Patent number: 10573221Abstract: A display apparatus including a display panel is provided. The display panel has a plurality of display blocks, wherein each display block includes a light conversion circuit, a pixel array, and a data voltage selection circuit. The light conversion circuit receives the light pulse signal and has a pull-up circuit and a pull-down circuit, wherein the pull-up circuit and the pull-down circuit are coupled between a system high voltage and a system low voltage, and the pull-up circuit and the pull-down circuit output the system high voltage or system low voltage according to the light pulse signal to form a voltage pulse signal. The data voltage selection circuit is coupled to the light conversion circuit and the pixel array and receives an AC waveform voltage to supply a data signal to the pixel array according to the voltage pulse signal.Type: GrantFiled: January 11, 2018Date of Patent: February 25, 2020Assignee: Au Optronics CorporationInventors: Ya-Hsiang Tai, Chi-Hao Lin, Yu-Sheng Huang, Chang-Yi Li
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Patent number: 10339895Abstract: A brightness compensation circuitry includes a data-setting switch unit receiving a data-setting signal, a pixel unit including a pixel driving circuit that receives the data-setting signal during a data-input period to generate a driving current, and a compensation circuit receiving the driving current generated by the pixel driving circuit. The compensation circuit controls the data-setting switch unit to conduct or not conduct by determining whether or not a magnitude of the driving current conforms with a criterion that is associated with target brightness of the pixel unit.Type: GrantFiled: December 8, 2016Date of Patent: July 2, 2019Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Ya-Hsiang Tai, Xuan-Yong Lin, Chun-Yi Chang
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Publication number: 20190088189Abstract: A display apparatus including a display panel is provided. The display panel has a plurality of display blocks, wherein each display block includes a light conversion circuit, a pixel array, and a data voltage selection circuit. The light conversion circuit receives the light pulse signal and has a pull-up circuit and a pull-down circuit, wherein the pull-up circuit and the pull-down circuit are coupled between a system high voltage and a system low voltage, and the pull-up circuit and the pull-down circuit output the system high voltage or system low voltage according to the light pulse signal to form a voltage pulse signal. The data voltage selection circuit is coupled to the light conversion circuit and the pixel array and receives an AC waveform voltage to supply a data signal to the pixel array according to the voltage pulse signal.Type: ApplicationFiled: January 11, 2018Publication date: March 21, 2019Applicant: Au Optronics CorporationInventors: Ya-Hsiang Tai, Chi-Hao Lin, Yu-Sheng Huang, Chang-Yi Li
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Patent number: 9972236Abstract: A data line driving circuit for a display device having a plurality of data lines is provided to include a plurality of data line drivers respectively coupled to the data lines. Each data line driver includes a register unit to store video data having a pixel value, a pulse width modulation unit generating a PWM signal having a pulse width positively correlated with the pixel value, and a charge-discharge unit performing charge-discharge operation to generate a data voltage on a respective one of the data lines according to the PWM signal. A magnitude of voltage variation on the respective data line is positively correlated with the pulse width of the PWM signal during the charge-discharge operation.Type: GrantFiled: May 27, 2016Date of Patent: May 15, 2018Assignee: National Chiao Tung UniversityInventors: Ya-Hsiang Tai, Zong-Hua Cai, Ching-Chih Lin
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Publication number: 20170169796Abstract: A brightness compensation circuitry includes a data-setting switch unit receiving a data-setting signal, a pixel unit including a pixel driving circuit that receives the data-setting signal during a data-input period to generate a driving current, and a compensation circuit receiving the driving current generated by the pixel driving circuit. The compensation circuit controls the data-setting switch unit to conduct or not conduct by determining whether or not a magnitude of the driving current conforms with a criterion that is associated with target brightness of the pixel unit.Type: ApplicationFiled: December 8, 2016Publication date: June 15, 2017Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Ya-Hsiang TAI, Xuan-Yong LIN, Chun-Yi CHANG
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Publication number: 20170116906Abstract: A data line driving circuit for a display device having a plurality of data lines is provided to include a plurality of data line drivers respectively coupled to the data lines. Each data line driver includes a register unit to store video data having a pixel value, a pulse width modulation unit generating a PWM signal having a pulse width positively correlated with the pixel value, and a charge-discharge unit performing charge-discharge operation to generate a data voltage on a respective one of the data lines according to the PWM signal. A magnitude of voltage variation on the respective data line is positively correlated with the pulse width of the PWM signal during the charge-discharge operation.Type: ApplicationFiled: May 27, 2016Publication date: April 27, 2017Inventors: Ya-Hsiang TAI, Zong-Hua CAI, Ching-Chih LIN
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Patent number: 9543954Abstract: A driver circuit with device variation compensation function and an operation method thereof are provided. The driver circuit includes a pull-up switch unit, an isolating switch and a pull-down switch unit. A first terminal of the pull-up switch unit is coupled to a first voltage. A second terminal of the pull-up switch unit is coupled to an output terminal of the driver circuit. A first terminal of the isolating switch is coupled to the second terminal of the pull-up switch unit. A first terminal of the pull-down switch unit is coupled to a second terminal of the isolating switch. A second terminal of the pull-down switch unit is coupled to a second voltage. The pull-down switch unit has a device variation compensation function.Type: GrantFiled: January 9, 2015Date of Patent: January 10, 2017Assignee: Industrial Technology Research InstituteInventors: Chi-Liang Wu, Ya-Hsiang Tai, Yung-Hui Yeh, Zong-Hua Cai
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Patent number: 9343026Abstract: Provided is the pixel circuit for active matrix display apparatus and the driving method thereof, which is controlled by digital signal. The pre-charge pixel voltage is controlled and discharged by controlling the resistor and transistors, so that the desired grey scale is generated. The pixel circuit includes: a first switch, a second switch, a third switch, an energy storage device and resistor. By controlling the third switch, the first end of the energy storage device is charged to the voltage of the second source. The first switch and the second switch are controlled to switch on, so that the first end of the energy storage device discharging to the first source. The second switch switches off when the first end of the energy storage device reaches the desired pixel voltage.Type: GrantFiled: April 30, 2014Date of Patent: May 17, 2016Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Ya-Hsiang Tai, Lu-Sheng Chou, Chun-Yu Lin, Chia-Hung Chang
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Publication number: 20160112046Abstract: A driver circuit with device variation compensation function and an operation method thereof are provided. The driver circuit includes a pull-up switch unit, an isolating switch and a pull-down switch unit. A first terminal of the pull-up switch unit is coupled to a first voltage. A second terminal of the pull-up switch unit is coupled to an output terminal of the driver circuit. A first terminal of the isolating switch is coupled to the second terminal of the pull-up switch unit. A first terminal of the pull-down switch unit is coupled to a second terminal of the isolating switch. A second terminal of the pull-down switch unit is coupled to a second voltage. The pull-down switch unit has a device variation compensation function.Type: ApplicationFiled: January 9, 2015Publication date: April 21, 2016Inventors: Chi-Liang Wu, Ya-Hsiang Tai, Yung-Hui Yeh, Zong-Hua Cai