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).

  • Patent number: 11676415
    Abstract: 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: Grant
    Filed: March 8, 2022
    Date of Patent: June 13, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Te-Yu Lee, Hui-Ching Yang, Yang-Jui Huang, Ya-Li Tsai, Ya-Hsiang Tai
  • Patent number: 11619753
    Abstract: 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: Grant
    Filed: June 28, 2021
    Date of Patent: April 4, 2023
    Assignees: InnoCare Optoelectronics Corporation, National Yang Ming Chiao Tung University
    Inventors: Zhi-Hong Wang, Hsin-Hung Lin, Chih-Hao Wu, Yu-Lun Hsieh, Ya-Hsiang Tai, Cheng Che Tu
  • Publication number: 20220327855
    Abstract: 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: Application
    Filed: March 8, 2022
    Publication date: October 13, 2022
    Inventors: Te-Yu LEE, Hui-Ching YANG, Yang-Jui HUANG, Ya-Li TSAI, Ya-Hsiang TAI
  • Patent number: 11317040
    Abstract: 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: Grant
    Filed: June 23, 2020
    Date of Patent: April 26, 2022
    Assignee: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventors: YA-Hsiang Tai, Chung-Wen Lai
  • Publication number: 20220026591
    Abstract: 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: Application
    Filed: June 28, 2021
    Publication date: January 27, 2022
    Applicants: InnoCare Optoelectronics Corporation, National Yang Ming Chiao Tung University
    Inventors: Zhi-Hong Wang, Hsin-Hung Lin, Chih-Hao Wu, Yu-Lun Hsieh, Ya-Hsiang Tai, Cheng Che Tu
  • Patent number: 11190722
    Abstract: 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: Grant
    Filed: May 7, 2020
    Date of Patent: November 30, 2021
    Assignee: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventors: Ya-Hsiang Tai, Ping-Ju Huang
  • Publication number: 20210350107
    Abstract: 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: Application
    Filed: May 7, 2021
    Publication date: November 11, 2021
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventor: Ya Hsiang TAI
  • Publication number: 20200412985
    Abstract: 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: Application
    Filed: June 23, 2020
    Publication date: December 31, 2020
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventors: YA-Hsiang TAI, Chung-Wen LAI
  • Patent number: 10861374
    Abstract: 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: Grant
    Filed: January 10, 2020
    Date of Patent: December 8, 2020
    Assignee: Au Optronics Corporation
    Inventors: Ya-Hsiang Tai, Chi-Hao Lin, Yu-Sheng Huang, Chang-Yi Li
  • Publication number: 20200358974
    Abstract: 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: Application
    Filed: May 7, 2020
    Publication date: November 12, 2020
    Applicant: Shanghai Harvest Intelligence Technology Co., Ltd.
    Inventors: YA-Hsiang TAI, Ping-Ju HUANG
  • Publication number: 20200152114
    Abstract: 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: Application
    Filed: January 10, 2020
    Publication date: May 14, 2020
    Applicant: Au Optronics Corporation
    Inventors: Ya-Hsiang Tai, Chi-Hao Lin, Yu-Sheng Huang, Chang-Yi Li
  • Patent number: 10573221
    Abstract: 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: Grant
    Filed: January 11, 2018
    Date of Patent: February 25, 2020
    Assignee: Au Optronics Corporation
    Inventors: Ya-Hsiang Tai, Chi-Hao Lin, Yu-Sheng Huang, Chang-Yi Li
  • Patent number: 10339895
    Abstract: 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: Grant
    Filed: December 8, 2016
    Date of Patent: July 2, 2019
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Ya-Hsiang Tai, Xuan-Yong Lin, Chun-Yi Chang
  • Publication number: 20190088189
    Abstract: 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: Application
    Filed: January 11, 2018
    Publication date: March 21, 2019
    Applicant: Au Optronics Corporation
    Inventors: Ya-Hsiang Tai, Chi-Hao Lin, Yu-Sheng Huang, Chang-Yi Li
  • Patent number: 9972236
    Abstract: 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: Grant
    Filed: May 27, 2016
    Date of Patent: May 15, 2018
    Assignee: National Chiao Tung University
    Inventors: Ya-Hsiang Tai, Zong-Hua Cai, Ching-Chih Lin
  • Publication number: 20170169796
    Abstract: 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: Application
    Filed: December 8, 2016
    Publication date: June 15, 2017
    Applicant: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Ya-Hsiang TAI, Xuan-Yong LIN, Chun-Yi CHANG
  • Publication number: 20170116906
    Abstract: 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: Application
    Filed: May 27, 2016
    Publication date: April 27, 2017
    Inventors: Ya-Hsiang TAI, Zong-Hua CAI, Ching-Chih LIN
  • Patent number: 9543954
    Abstract: 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: Grant
    Filed: January 9, 2015
    Date of Patent: January 10, 2017
    Assignee: Industrial Technology Research Institute
    Inventors: Chi-Liang Wu, Ya-Hsiang Tai, Yung-Hui Yeh, Zong-Hua Cai
  • Patent number: 9343026
    Abstract: 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: Grant
    Filed: April 30, 2014
    Date of Patent: May 17, 2016
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Ya-Hsiang Tai, Lu-Sheng Chou, Chun-Yu Lin, Chia-Hung Chang
  • Publication number: 20160112046
    Abstract: 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: Application
    Filed: January 9, 2015
    Publication date: April 21, 2016
    Inventors: Chi-Liang Wu, Ya-Hsiang Tai, Yung-Hui Yeh, Zong-Hua Cai