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).

  • 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
  • Publication number: 20170207295
    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: Application
    Filed: April 4, 2017
    Publication date: July 20, 2017
    Inventors: Wei-Yu MA, Chia-Hui CHEN, Yi-Ting WANG
  • Publication number: 20170183895
    Abstract: A synchronous hinge device includes a first base comprising a first connecting portion and a first assembling portion, the first connecting portion comprises a first central groove, a first outer groove, a first through hole and a second through hole, the first through hole and the second through hole are formed between the first central groove and the first outer groove; a second base comprising a second connecting portion and a second assembling portion, the second connecting portion comprises a second central groove, a second outer groove, a third through hole and a fourth through hole, the third through hole and the fourth through hole are formed between the second central groove and the second outer groove; a first shaft extending through the first through hole; a second shaft extending through the second through hole; a third shaft extending through the third through hole; a fourth shaft extending through the fourth through hole; a first torque element disposed between the first shaft and the third shaf
    Type: Application
    Filed: December 28, 2015
    Publication date: June 29, 2017
    Inventors: Chia-Hui CHEN, Tzu-Yu LIN, Yen-Ting CHEN
  • Patent number: 9677308
    Abstract: A hinge includes at least one shaft set including a first shaft and a second shaft. The first shaft and the second shaft extend through a first guiding member and a second guiding member. A guiding base is disposed between the first shaft and the second shaft. The first shaft and the second shaft connect to an upper plate and a lower plate. The upper plate and the lower plate are connected to two rotatable parts of an electronic device. The first shaft and the second shaft moves relatively along with the rotation of the two rotatable parts of the electronic device.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: June 13, 2017
    Assignee: LIANHONG ART CO., LTD.
    Inventors: Chia-Hui Chen, Tzu-Yu Lin, Chiao-Fang Chang
  • Patent number: 9647452
    Abstract: In some embodiments, a method includes providing an input voltage to a level-shifting circuit, where the input voltage is in a first power domain, shifting the input voltage to an output voltage using the level-shifting circuit, where the output voltage is in a second power domain different from the first power domain, and where the level-shifting circuit is coupled to power supply voltages in the second power domain. The method further includes in response to an electrostatic discharge (ESD) event, turning off a first transistor coupled between a first node of the level-shifting circuit and a reference low voltage level of the second power domain.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: May 9, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Hui Chen, Chia-Hung Chu, Kuo-Ji Chen, Ming-Hsiang Song, Lee-Chung Lu
  • Patent number: 9640605
    Abstract: A semiconductor device includes a first semiconductor structure having a first active region pattern density. The semiconductor device further includes a second semiconductor structure having a second active region pattern density, wherein the second semiconductor structure comprises a first resistive element. The semiconductor device further includes a third semiconductor structure having a third active region pattern density, wherein the third semiconductor structure includes a second resistive element. The second semiconductor structure is adjacent to the first semiconductor structure and adjacent to the third semiconductor structure. The first semiconductor structure, the second semiconductor structure and the third semiconductor structure do not overlap.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: May 2, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Yu Ma, Chia-Hui Chen, Yi-Ting Wang
  • Publication number: 20170101807
    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: March 3, 2016
    Publication date: April 13, 2017
    Inventors: Yen-Wen HUANG, Kuan-Lung WU, Chia-Hui CHEN
  • Publication number: 20170020025
    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: Application
    Filed: October 2, 2015
    Publication date: January 19, 2017
    Inventors: YEN-WEN HUANG, KUAN-LUNG WU, CHIA-HUI CHEN
  • Publication number: 20170012038
    Abstract: In some embodiments, a method includes providing an input voltage to a level-shifting circuit, where the input voltage is in a first power domain, shifting the input voltage to an output voltage using the level-shifting circuit, where the output voltage is in a second power domain different from the first power domain, and where the level-shifting circuit is coupled to power supply voltages in the second power domain. The method further includes in response to an electrostatic discharge (ESD) event, turning off a first transistor coupled between a first node of the level-shifting circuit and a reference low voltage level of the second power domain.
    Type: Application
    Filed: September 22, 2016
    Publication date: January 12, 2017
    Inventors: Chia-Hui Chen, Chia-Hung Chu, Kuo-Ji Chen, Ming-Hsiang Song, Lee-Chung Lu
  • Patent number: 9518414
    Abstract: A hinge device includes a housing comprising two half-housings, a first extending module comprising two half-members disposed in the housing, a second extending module comprising two half sliding members and disposed on an outer side of the first extending module, a sliding device disposed between the first extending module and the second extending module, an elastic member disposed between the two half housings, and a stop sheet disposed between the half-housings and having one end facing a bottom of the second extending module.
    Type: Grant
    Filed: June 25, 2016
    Date of Patent: December 13, 2016
    Assignee: LIANHONG ART CO., LTD.
    Inventors: Chia-Hui Chen, Yen-Ting Chen
  • Patent number: 9502892
    Abstract: A device includes a first power transistor, a second power transistor electrically connected in series with the first power transistor, a first electrostatic discharge (ESD) detection circuit, and a first control circuit electrically connected to the first ESD detection circuit and the first power transistor.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: November 22, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Hui Chen, Po-Hsiang Lan, Chien-Yuan Lee, Tsung-Ju Yang, Tzu-Yi Yang, Kuo-Ji Chen
  • Patent number: 9472545
    Abstract: One or more semiconductor arrangements having a stacked configuration and electrostatic discharge (ESD) protection are provided. The semiconductor arrangements include a first substrate, a second substrate, an ESD pad, an ESD device and a first interlayer via connecting the first substrate and the second substrate. The first substrate includes a first PMOS device and a first device and the second substrate includes a first NMOS device and a second device. Alternatively, the first substrate includes a first PMOS device and a first NMOS device and the second substrate includes a first device and a second device.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: October 18, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Chia-Hui Chen, Wei Yu Ma, Kuo-Ji Chen
  • Patent number: 9464471
    Abstract: A dual shaft hinge device includes a first shaft including a first expansion portion; a second shaft including a second expansion portion; a pair of securing plates joined to the first shaft and the second shaft respectively and connected to a display device and a main body of an electronic device respectively; torque elements connected to the first shaft and the second shaft; a limiting mechanism connected to the first shaft and the second shaft; a first helical gear formed on the first expansion portion; a second helical gear formed on the second expansion portion; a base including two through holes for the first shaft and the second shaft extending therethrough, two extending plates separated by a distance, two transverse through holes formed on the extending plates and two depressed portions formed on a back side of the base; and a middle gear rotatably disposed between the extending plates and engaging the first helical gear and the second helical gear.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: October 11, 2016
    Assignee: LIANHONG ART CO., LTD.
    Inventors: Chia-Hui Chen, Tzu-Yu Lin, Yen-Ting Chen