Patents by Inventor Chun-Chieh Chang

Chun-Chieh Chang 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: 11923386
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip. The integrated chip includes a first photodetector disposed in a first pixel region of a semiconductor substrate and a second photodetector disposed in a second pixel region of the semiconductor substrate. The second photodetector is laterally separated from the first photodetector. A first diffuser is disposed along a back-side of the semiconductor substrate and over the first photodetector. A second diffuser is disposed along the back-side of the semiconductor substrate and over the second photodetector. A first midline of the first pixel region and a second midline of the second pixel region are both disposed laterally between the first diffuser and the second diffuser.
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Keng-Yu Chou, Chun-Hao Chuang, Kazuaki Hashimoto, Wei-Chieh Chiang, Cheng Yu Huang, Wen-Hau Wu, Chih-Kung Chang
  • Publication number: 20240071538
    Abstract: The present disclosure provides a multi-state one-time programmable (MSOTP) memory circuit including a memory cell and a programming voltage driving circuit. The memory cell includes a MOS storage transistor, a first MOS access transistor and a second MOS access transistor electrically connected to store two bits of data. When the memory cell is in a writing state, the programming voltage driving circuit outputs a writing control potential to the gate of the MOS storage transistor, and when the memory cell is in a reading state, the programming voltage driving circuit outputs a reading control potential to the gate of the MOS storage transistor.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 29, 2024
    Inventors: CHEN-FENG CHANG, YU-CHEN LO, TSUNG-HAN LU, SHU-CHIEH CHANG, CHUN-HAO LIANG, DONG-YU WU, MENG-LIN WU
  • Patent number: 11685306
    Abstract: A light emitting device including a lighting unit and a conversion material is disclosed. The conversion material is configured to convert a part of the invisible light emitted from the lighting unit into a visible light, which indicates that the lighting unit is in operation. The spectral energy of visible light is less than 20% of the spectral energy measured within a wavelength range of 200 nm to 380 nm.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: June 27, 2023
    Assignee: LITE-ON TECHNOLOGY CORPORATION
    Inventors: Wei-Te Cheng, Kai-Chieh Liang, Kuo-Ming Chiu, Fang-Jung Sun, Chun-Chieh Chang, Yi-Fei Lee
  • Patent number: 11681118
    Abstract: An optical element driving mechanism having an optical axis includes a fixed portion, a movable portion, and a driving assembly. The movable portion is connected to the fixed portion. The driving assembly drives the movable portion to move in a direction that is parallel to the optical axis relative to the fixed portion, when viewed in the direction that is parallel to the optical axis, the optical element driving mechanism is a rectangular structure with a first side, a second side, a third side, and a fourth side, the first side and the third side are opposite, and the first side is adjacent to the second side and the fourth side.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: June 20, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Wei-Jhe Shen, Kun-Shih Lin, Yung-Ping Yang, Chun-Chieh Chang, Sheng-Chang Lin, Che-Hsiang Chiu
  • Publication number: 20230188075
    Abstract: A voltage measurement device for pulse-width modulation (PWM) signals is provided, which includes a conversion circuit and a processing circuit. The conversion circuit receives a first PWM signal and a second PWM signal from a motor driving device, and converts the first PWM signal and the second PWM signal into the absolute value signal and the polarity signal of the line-to-line voltage signal between the first PWM signal and the second PWM signal. The processing circuit converts the polarity signal and the absolute value signal into a first integral signal and a second integral signal, and reconstructs the line-to-line voltage signal according to the first integral signal and the second integral signal so as to obtain the reconstructed voltage signal of the line-to-line voltage signal.
    Type: Application
    Filed: December 13, 2021
    Publication date: June 15, 2023
    Inventors: WEN-CHE SHEN, CHENG-MIN CHANG, CHUN-CHIEH CHANG, PO-HUAN CHOU
  • Patent number: 11658599
    Abstract: A voltage measurement device for pulse-width modulation (PWM) signals is provided, which includes a conversion circuit and a processing circuit. The conversion circuit receives a first PWM signal and a second PWM signal from a motor driving device, and converts the first PWM signal and the second PWM signal into the absolute value signal and the polarity signal of the line-to-line voltage signal between the first PWM signal and the second PWM signal. The processing circuit converts the polarity signal and the absolute value signal into a first integral signal and a second integral signal, and reconstructs the line-to-line voltage signal according to the first integral signal and the second integral signal so as to obtain the reconstructed voltage signal of the line-to-line voltage signal.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: May 23, 2023
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wen-Che Shen, Cheng-Min Chang, Chun-Chieh Chang, Po-Huan Chou
  • Publication number: 20230150438
    Abstract: An installing module includes a seat bracket, a plurality of lower gaskets, a device bracket and an upper gasket. The seat bracket includes a first locking plate and a second locking plate locked to each other. The first locking plate includes a first concave and the second locking plate includes a second concave corresponding to the first concave. The lower gaskets are respectively disposed on the first concave and the second concave. The lower gaskets face each other and jointly define a lower assembly hole and are disposed on a lower side of a head-support fixer of a car seat. The device bracket is locked to the seat bracket and an electronic device is pivotally coupled to the device bracket. The upper gasket is disposed between the device bracket and the head-support fixer, and the head-support fixer is clamped between the upper gasket and the lower gaskets.
    Type: Application
    Filed: August 26, 2022
    Publication date: May 18, 2023
    Applicant: PEGATRON CORPORATION
    Inventors: Shih-Wei Yeh, Chien-Chih Lin, Yi-Ming Chou, Chun-Chieh Chang
  • Patent number: 11588189
    Abstract: In one embodiment, a system comprising a battery set comprising plural battery cells configured in a circuit; and a control system configured to switch current flow in the circuit from bi-directional flow to and from the battery set to mono-directional flow to or from the battery set based on an over-charging or over-discharging condition.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: February 21, 2023
    Assignees: CHANGS ASCENDING ENTERPRISE CO., LTD.
    Inventors: Chun-Chieh Chang, Olivia Pei Hua Lee, Tsun Yu Chang, Yu-Ta Tseng
  • Patent number: 11487638
    Abstract: The invention is related to a non-transitory computer program product, a method and an apparatus for controlling access to a flash memory card. The method, performed by a processing unit of a bridge integrate circuit (IC), includes: determining whether a temperature of a motherboard has exceeded a threshold through a temperature sensor IC after receiving a host read or write command from a host side; requesting a flash memory card to enter a sleep state when the temperature of the motherboard has exceeded the threshold; and instructing the flash memory card to perform an operation corresponding to the host read or write command when the temperature of the motherboard hasn't exceeded the threshold. The bridge IC and the temperature sensor IC are disposed on the motherboard, the flash memory card is inserted into a card slot on the motherboard, and the bridge IC is coupled to the temperature sensor IC and the flash memory card through a circuit of the motherboard.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: November 1, 2022
    Assignee: SILICON MOTION, INC.
    Inventors: Chun-Chieh Chang, Hsing-Lang Huang
  • Patent number: 11475952
    Abstract: A ternary content addressable memory and a two-port SRAM are provided and include a storage cell and two transistors. The storage cell includes a first active region, a second active region, a third active region, and a fourth active region, extending along a first direction, and a first gate line, a second gate line, a third gate line, and a fourth gate line extending along a second direction. The first gate line crosses the third active region and the fourth active region, the second gate line crosses the fourth active region, the third gate line crosses the first active region, and the fourth gate line crosses the first active region and the second active region. The transistors are electrically connected to the storage cell, and the transistors and the storage cell are arranged along the first direction.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: October 18, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chun-Hsien Huang, Yu-Tse Kuo, Shu-Ru Wang, Chun-Yen Tseng, Chun-Chieh Chang
  • Publication number: 20220243897
    Abstract: A light emitting device including a lighting unit and a conversion material is disclosed. The conversion material is configured to convert a part of the invisible light emitted from the lighting unit into a visible light, which indicates that the lighting unit is in operation. The spectral energy of visible light is less than 20% of the spectral energy measured within a wavelength range of 200 nm to 380 nm.
    Type: Application
    Filed: January 25, 2022
    Publication date: August 4, 2022
    Inventors: Wei-Te CHENG, Kai-Chieh LIANG, Kuo-Ming CHIU, Fang-Jung SUN, Chun-Chieh CHANG, Yi-Fei LEE
  • Publication number: 20220238158
    Abstract: A ternary content addressable memory and a two-port SRAM are provided and include a storage cell and two transistors. The storage cell includes a first active region, a second active region, a third active region, and a fourth active region, extending along a first direction, and a first gate line, a second gate line, a third gate line, and a fourth gate line extending along a second direction. The first gate line crosses the third active region and the fourth active region, the second gate line crosses the fourth active region, the third gate line crosses the first active region, and the fourth gate line crosses the first active region and the second active region. The transistors are electrically connected to the storage cell, and the transistors and the storage cell are arranged along the first direction.
    Type: Application
    Filed: February 19, 2021
    Publication date: July 28, 2022
    Inventors: Chun-Hsien Huang, Yu-Tse Kuo, Shu-Ru Wang, Chun-Yen Tseng, Chun-Chieh Chang
  • Patent number: 11398297
    Abstract: A method of characterizing biological sequences includes: preparing a library of sequences; subjecting the sequences in the library to at least one screening experiment to obtain an experiment outcome of each of the sequences; creating a first dataset comprising identities of the sequences and the experiment outcomes of the sequences; and training a first neural network using the first dataset to extract first sequence features from the sequences in the first dataset. A second neural network may be additionally be trained using a second dataset based on an external database to generate a pre-trained model, which is used extract additional features from the first dataset.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: July 26, 2022
    Inventor: Chun-Chieh Chang
  • Patent number: 11385906
    Abstract: The invention is related to a non-transitory computer program product, a method and an apparatus for controlling access to a flash storage. The method, performed by a processing unit of a bridge integrate circuit (IC), includes: receiving a host write command from a host side; determining whether the flash storage needs to enter a hibernate state based on at least information regarding a length of data that has been programmed into the flash storage and/or a quantity of host write commands that have been executed after executing the host write command; and instructing the flash storage to enter the hibernate state when the length of data and/or the quantity of host write command meets a triggering condition.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: July 12, 2022
    Assignee: SILICON MOTION, INC.
    Inventors: Chun-Chieh Chang, Hsing-Lang Huang
  • Patent number: 11381157
    Abstract: A motor drive is provided, which includes a control circuit, a first transistor, a first comparison circuit, a second transistor and a load. The control circuit includes a first output terminal and a second output terminal; the first output terminal outputs a first control signal; the second output terminal outputs a second control signal whose phase is inverse to the phase of the first control signal. The gate of the first transistor receives the first control signal. The first comparison circuit compares the gate-source voltage with a reference voltage to generate a first comparison signal. When the first comparison signal shows that the first control signal is reduced to be lower than the reference voltage, the second control signal generated by the second output terminal is transmitted to the gate of the second transistor.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: July 5, 2022
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Cheng-Min Chang, Chun-Chieh Chang, Hsi-Chih Chang, Po-Huan Chou
  • Publication number: 20220190711
    Abstract: A motor driver is provided, which includes a control circuit, a first transistor, a first comparison circuit, a second transistor and a load. The control circuit includes a first output terminal and a second output terminal; the first output terminal outputs a first control signal; the second output terminal outputs a second control signal whose phase is inverse to the phase of the first control signal. The gate of the first transistor receives the first control signal. The first comparison circuit compares the gate-source voltage with a reference voltage to generate a first comparison signal. When the first comparison signal shows that the first control signal is reduced to be lower than the reference voltage, the second control signal generated by the second output terminal is transmitted to the gate of the second transistor.
    Type: Application
    Filed: December 10, 2020
    Publication date: June 16, 2022
    Inventors: CHENG-MIN CHANG, CHUN-CHIEH CHANG, HSI-CHIH CHANG, PO-HUAN CHOU
  • Publication number: 20220114303
    Abstract: A hardware-in-the-loop (HIL) simulation device is provided, which includes a processing circuit and a pulse-width modulation (PWM) signal observation circuit. The PWM signal observation circuit includes an energy storage unit and the energy storage unit is coupled to the processing circuit. A signal source transmits a PWM signal to the processing circuit and the PWM signal observation circuit, and the energy storage unit is charged when the PWM signal is at high level. The processing circuit detects the voltage of the energy storage unit when detecting the falling edge of the PWM signal so as to calculate the duty cycle of the PWM signal.
    Type: Application
    Filed: December 24, 2020
    Publication date: April 14, 2022
    Inventors: CHUN-AN LIN, WEN-CHE SHEN, CHIH-WEI YEH, PO-HUAN CHOU, CHUN-CHIEH CHANG, YU-HSUN WU
  • Publication number: 20210318890
    Abstract: The invention is related to a non-transitory computer program product, a method and an apparatus for controlling access to a flash storage. The method, performed by a processing unit of a bridge integrate circuit (IC), includes: receiving a host write command from a host side; determining whether the flash storage needs to enter a hibernate state based on at least information regarding a length of data that has been programmed into the flash storage and/or a quantity of host write commands that have been executed after executing the host write command; and instructing the flash storage to enter the hibernate state when the length of data and/or the quantity of host write command meets a triggering condition.
    Type: Application
    Filed: January 15, 2021
    Publication date: October 14, 2021
    Applicant: SILICON MOTION, INC.
    Inventors: Chun-Chieh CHANG, Hsing-Lang HUANG
  • Patent number: 11138689
    Abstract: The present invention provides a method for non-linearly stretching a cropped image, including: obtaining an FOV difference table of a panoramic lens; calculating a polynomial of an approximated curve represented by the values of the FOV difference table; shooting a circular wide-angle image using the panoramic lens; cropping the circular wide-angle image to preserve the remaining circular wide-angle image under a specific viewing angle; under the specific viewing angle, resampling a plurality of points by the polynomial to obtain the corresponding spacing distance of the points; and while maintaining the ratio of the spacing distance between the plurality of points, stretching the remaining circular wide-angle image to the size of the original circular wide-angle image.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: October 5, 2021
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chun-Chieh Chang, Chung-Run Liao
  • Publication number: 20210303432
    Abstract: The invention is related to a non-transitory computer program product, a method and an apparatus for controlling access to a flash memory card. The method, performed by a processing unit of a bridge integrate circuit (IC), includes: determining whether a temperature of a motherboard has exceeded a threshold through a temperature sensor IC after receiving a host read or write command from a host side; requesting a flash memory card to enter a sleep state when the temperature of the motherboard has exceeded the threshold; and instructing the flash memory card to perform an operation corresponding to the host read or write command when the temperature of the motherboard hasn't exceeded the threshold. The bridge IC and the temperature sensor IC are disposed on the motherboard, the flash memory card is inserted into a card slot on the motherboard, and the bridge IC is coupled to the temperature sensor IC and the flash memory card through a circuit of the motherboard.
    Type: Application
    Filed: September 8, 2020
    Publication date: September 30, 2021
    Applicant: Silicon Motion, Inc.
    Inventors: Chun-Chieh CHANG, Hsing-Lang HUANG