Patents by Inventor Chia-Hui Chen

Chia-Hui Chen 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: 10943897
    Abstract: A method (of forming an integrated circuit) includes: forming a first diode on a first substrate of two or more stacked substrates, the first substrate having a first predetermined doping type; forming a second diode on a second substrate of the two or more stacked substrates, the second substrate being formed on the first substrate, and the second substrate having the first predetermined doping type; and forming conductive paths electrically connecting the first diode 3A and the second diode between a circuit and a first common ground rail, the first diode and the second diode being connected in parallel and having opposite polarities.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: March 9, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei Yu Ma, Chia-Hui Chen, Kuo-Ji Chen
  • Publication number: 20210013873
    Abstract: A circuit includes a first inverter and a second inverter. The first inverter is coupled to an input terminal. The input terminal receives an input signal varying in a first voltage domain. The second inverter is coupled between the first inverter and an output terminal. The second inverter generating an output signal varying in a second voltage domain. The first inverter includes a first PMOS transistor and a first NMOS transistor. The first PMOS transistor is biased by a first input tracking signal generated from the input signal. The first input tracking signal varies in a third voltage domain. The first NMOS transistor is biased by a second input tracking signal generated from the input signal. The second input tracking signal varies in the second voltage domain.
    Type: Application
    Filed: May 15, 2020
    Publication date: January 14, 2021
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Hui CHEN, Wan-Yen LIN, Chia-Jung CHANG
  • Publication number: 20200389169
    Abstract: A circuit includes: a first swing reduction circuit coupled between an input/output pad and a buffer circuit, and a second swing reduction circuit coupled between the input/output pad and the buffer circuit. The first swing reduction circuit comprises a first transistor gated by a first bias voltage and comprises a second transistor drained by the first bias voltage. The first swing reduction circuit is configured to increase a voltage at a first node in the buffer circuit when a voltage applied on the input/output pad is equal to a first supply voltage. The second swing reduction circuit is configured to reduce a voltage at a second node in the buffer circuit when the voltage applied on the input/output pad is equal to a second supply voltage.
    Type: Application
    Filed: August 24, 2020
    Publication date: December 10, 2020
    Inventors: Chia-Hui CHEN, Wan-Yen Lin, Tsung-Hsin Yu
  • Publication number: 20200382116
    Abstract: A level shifter includes an input circuit having first and second input terminals configured to receive complementary input signals at a first voltage level and a second voltage level. A cross-latch circuit is coupled to the input circuit, and has first and second output terminals configured to provide complementary output signals at a third voltage level and a fourth voltage level. The input circuit includes first and second control nodes configured to output first and second control signals at the first voltage level and the fourth voltage level based on the input signals. A tracking circuit is coupled to the input circuit and the cross-latch circuit, and is configured to input first and second tracking signals to the cross-latch circuit based on the first and second control signals, wherein the first tracking signal is the greater of the first control signal and the third voltage level, and the second tracking signal is the greater of the second control signal and the third voltage level.
    Type: Application
    Filed: February 28, 2020
    Publication date: December 3, 2020
    Inventors: Wan-Yen Lin, Chia-Hui Chen, Chia-Jung Chang
  • Patent number: 10756735
    Abstract: A circuit includes: a first swing reduction circuit coupled between an input/output pad and a buffer circuit, and a second swing reduction circuit coupled between the input/output pad and the buffer circuit. The first swing reduction circuit comprises a first transistor gated by a first bias voltage and comprises a second transistor drained by the first bias voltage. The first swing reduction circuit is configured to increase a voltage at a first node in the buffer circuit when a voltage applied on the input/output pad is equal to a first supply voltage. The second swing reduction circuit is configured to reduce a voltage at a second node in the buffer circuit when the voltage applied on the input/output pad is equal to a second supply voltage.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: August 25, 2020
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chia-Hui Chen, Wan-Yen Lin, Tsung-Hsin Yu
  • Patent number: 10563438
    Abstract: A pivoting device having helical gear includes a first shaft and a second shaft, wherein the first shaft has a first rod, the first rod has a first axial gear, and the second shaft has a second rod, the second rod has a second axial gear. A first connecting plate is connected between the first shaft and the second shaft, and a connecting gear set is arranged between the first shaft and the second shaft, the connecting gear set meshes with the first axial gear and the second axial gear. One end of the connecting gear set is connected to the first connecting plate, and the other end of the connecting gear set is connected a second connecting plate. The first torque set is connected between the first shaft and the second shaft. A third connecting plate is connected between the first shaft and the second shaft.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: February 18, 2020
    Assignee: LIANHONG ART CO., LTD.
    Inventors: Chia-Hui Chen, Chia-Ming Chang
  • Publication number: 20200052699
    Abstract: A circuit includes: a first swing reduction circuit coupled between an input/output pad and a buffer circuit, and a second swing reduction circuit coupled between the input/output pad and the buffer circuit. The first swing reduction circuit comprises a first transistor gated by a first bias voltage and comprises a second transistor drained by the first bias voltage. The first swing reduction circuit is configured to increase a voltage at a first node in the buffer circuit when a voltage applied on the input/output pad is equal to a first supply voltage. The second swing reduction circuit is configured to reduce a voltage at a second node in the buffer circuit when the voltage applied on the input/output pad is equal to a second supply voltage.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 13, 2020
    Inventors: Chia-Hui Chen, Wan-Yen Lin, Tsung-Hsin Yu
  • Publication number: 20200003356
    Abstract: A rebounding pivot module includes a mounting shaft, and a bouncing device set including a barrel having one end tooth shaped, a connecting tube mounted in the other end of the barrel, a connection rod connected to the connecting tube, a socket and a first guide block mounted onto the connection rod, the first guide block having one end beveled, a bouncing barrel mounted around the connecting rod, a second guide block supported on an elastic member in the bouncing barrel and defining therein a guide hole and having one end tooth shaped and abutted at the beveled edge of the first guide block, and a lock device fastened to connection rod that is inserted through the second guide block, the elastic member and the through hole of the bouncing barrel to lock the bouncing barrel to the connection rod.
    Type: Application
    Filed: June 27, 2018
    Publication date: January 2, 2020
    Inventors: Chia-Hui CHEN, Tzu-Yu LIN, Yen-Ting CHEN
  • Patent number: 10480227
    Abstract: A dual-shaft hinge device including a base and two rotatable plates connected to two lateral sides of the base. Each of the first rotatable plate and the second rotatable plate have a semicircular portion on which a plurality of teeth are disposed. A first rotatable rod and a second rotatable rod are disposed in the base. First gear teeth are disposed at one end of the first rotatable rod and mesh with the teeth of the first rotatable plate, and second gear teeth are disposed at one end of the second rotatable rod and mesh with the teeth of the second rotatable plate. An even number of gear rods are disposed in the base and mutually meshed with each other. Two lateral plates are connected to the base to position the aforementioned elements to the base.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: November 19, 2019
    Assignee: LIANHONG ART CO., LTD.
    Inventors: Chia-Hui Chen, Tzu-Yu Lin, Chiao-Fang Chang
  • Patent number: 10483973
    Abstract: A circuit includes: a first type of swing reduction circuit coupled between an input/output pad and a buffer circuit; and a second type of swing reduction circuit coupled between the input/output pad and the buffer circuit, wherein the first type of swing reduction circuit is configured to increase a voltage received by respective gates of a first subset of transistors of the buffer circuit when a voltage applied on the input/output pad is equal to a first supply voltage, and the second type of swing reduction circuit is configured to reduce a voltage received by respective gates of a second subset of transistors of the buffer circuit when the voltage applied on the input/output pad is equal to a second supply voltage.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: November 19, 2019
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chia-Hui Chen, Wan-Yen Lin, Tsung-Hsin Yu
  • Publication number: 20190265874
    Abstract: The present disclosure relates to a panel control system and an editing method thereof. The panel control system includes a display panel and a processing device connected to the display panel. The processing device includes a graphical user interface (GUI) program, including an interface element window which includes a plurality of interface elements, and an interface editing window connected to the interface element window. Each of the interface elements includes an element command window, an element parameter window, and an element attribute window. The element command window includes a plurality of original element commands. The plurality of the original element commands are dragged to the element parameter window to form a plurality of element parameter commands. The element attribute window includes a plurality of element attribute commands.
    Type: Application
    Filed: February 16, 2019
    Publication date: August 29, 2019
    Inventors: YU-PIN LIAO, CHIA-HUI CHEN, CHIEN-MING CHEN, WEN-WEI CHUNG, FUN-CHU LAI, YUNG-CHANG HSU, KUAN-CHUAN LIAO
  • Patent number: 10337206
    Abstract: A hidden-lock door panel for use in a container includes a door panel body, a covering lid, a first lock, and a second lock. The door panel body includes a hidden space. The covering lid is disposed corresponding to the hidden space and slidably connected to the door panel body. The first lock and the second lock are both disposed in the hidden space. The first lock is an electronic lock and is used to control whether the covering lid can be released to slide. The second lock is used to control the door panel body to be unlocked or locked with respect to the container. Accordingly, unknowing persons are prevented from opening or breaking the door lock.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: July 2, 2019
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yen-Wen Huang, Kuan-Lung Wu, Chia-Hui Chen
  • Publication number: 20190173471
    Abstract: A circuit includes: a first type of swing reduction circuit coupled between an input/output pad and a buffer circuit; and a second type of swing reduction circuit coupled between the input/output pad and the buffer circuit, wherein the first type of swing reduction circuit is configured to increase a voltage received by respective gates of a first subset of transistors of the buffer circuit when a voltage applied on the input/output pad is equal to a first supply voltage, and the second type of swing reduction circuit is configured to reduce a voltage received by respective gates of a second subset of transistors of the buffer circuit when the voltage applied on the input/output pad is equal to a second supply voltage.
    Type: Application
    Filed: October 10, 2018
    Publication date: June 6, 2019
    Inventors: Chia-Hui Chen, Wan-Yen Lin, Tsung-Hsin Yu
  • Patent number: 10262989
    Abstract: An integrated circuit structure includes first and second integrated circuit devices disposed on a interposer. Each integrated circuit device has electrostatic discharge (ESD) protection circuitry therein connected to an internal ESD bus. The first and second integrated circuit devices communicate with one another through the interposer. The interposer includes an ESD bus electrically connected to the ESD busses of the first and second integrated circuit devices for providing cross-device ESD protection for the integrated circuit devices.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: April 16, 2019
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chia-Hui Chen, Fang-Tsun Chu
  • Patent number: 10157975
    Abstract: A method includes determining an active region pattern density of a first region of an integrated circuit layout based on a total area of each active region in the first region and an area of the first region. The method includes determining an active region pattern density of a second region of the integrated circuit layout based on a total area of each active region in the second region and an area of the second region. The method includes determining an active region pattern density gradient between the first region to the second region. The method includes determining whether the first region or the second region includes a resistive device. The method includes modifying a portion of the resistive device to include an incremental resistor in response to the first region or the second region including the resistive device.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: December 18, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Yu Ma, Chia-Hui Chen, Yi-Ting Wang
  • Publication number: 20180337169
    Abstract: A method (of forming an integrated circuit) includes: forming a first diode on a first substrate of two or more stacked substrates, the first substrate having a first predetermined doping type; forming a second diode on a second substrate of the two or more stacked substrates, the second substrate being formed on the first substrate, and the second substrate having the first predetermined doping type; and forming conductive paths electrically connecting the first diode 3A and the second diode between a circuit and a first common ground rail, the first diode and the second diode being connected in parallel and having opposite polarities.
    Type: Application
    Filed: July 31, 2018
    Publication date: November 22, 2018
    Inventors: Wei Yu MA, Chia-Hui CHEN, Kuo-Ji CHEN
  • Publication number: 20180238078
    Abstract: A hidden-lock door panel for use in a container includes a door panel body, a covering lid, a first lock, and a second lock. The door panel body includes a hidden space. The covering lid is disposed corresponding to the hidden space and slidably connected to the door panel body. The first lock and the second lock are both disposed in the hidden space. The first lock is an electronic lock and is used to control whether the covering lid can be released to slide. The second lock is used to control the door panel body to be unlocked or locked with respect to the container. Accordingly, unknowing persons are prevented from opening or breaking the door lock.
    Type: Application
    Filed: April 18, 2018
    Publication date: August 23, 2018
    Inventors: Yen-Wen HUANG, Kuan-Lung WU, Chia-Hui CHEN
  • Patent number: 10036189
    Abstract: A synchronous hinge device includes a first base having a first connecting portion and a first assembling portion. The first connecting portion has a first central groove, a first outer groove, a first through hole and a second through hole. A second base has a second connecting portion and a second assembling portion. The second connecting portion has a second central groove, a second outer groove, a third through hole and a fourth through hole. First, second, third, and forth shafts extending through the first, the second, the third, and the fourth through holes, respectively. A first torque element disposed between the first shaft and the third shaft; and a second torque element disposed between second shaft and the fourth shaft, wherein the first torque element has axle sleeves limiting the first distance, and the second torque element has axle sleeves limiting the second distance.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: July 31, 2018
    Assignee: LIANHONG ART CO., LTD.
    Inventors: Chia-Hui Chen, Tzu-Yu Lin, Yen-Ting Chen
  • Patent number: 9982456
    Abstract: A hidden-lock door panel for use in a container includes a door panel body, a covering lid, a first lock, and a second lock. The door panel body includes a hidden space. The covering lid is disposed corresponding to the hidden space and slidably connected to the door panel body. The first lock and the second lock are both disposed in the hidden space. The first lock is an electronic lock and is used to control whether the covering lid can be released to slide. The second lock is used to control the door panel body to be unlocked or locked with respect to the container. Accordingly, unknowing persons are prevented from opening or breaking the door lock.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: May 29, 2018
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yen-Wen Huang, Kuan-Lung Wu, Chia-Hui Chen
  • Patent number: 9801302
    Abstract: An equipment cabinet and a slidable-and-rotatable rack assembly are provided. The equipment cabinet includes a housing and a rack assembly. The rack assembly is disposed in the receiving space of the housing. The rack assembly comprises a first slidable tray, at least two first rail assemblies, a frame, and a first rotation shaft assembly. The first rail assemblies are connected with the first slidable tray and the housing respectively and configured for allowing the first slidable tray to be moved relative to the housing. The frame is carried by the first slidable tray and has a base plate. The first rotation shaft assembly is coupled with the base plate of the frame and the first slidable tray and configured for allowing the frame to be rotated relative to the first slidable tray after the frame carried by the first slidable tray is drawn out.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: October 24, 2017
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yen-Wen Huang, Kuan-Lung Wu, Chia-Hui Chen