Patents by Inventor Ta-Chuan Kuo

Ta-Chuan Kuo 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: 20240106432
    Abstract: An apparatus includes a capacitive device configured to provide bias power for a high-side switch, a gate drive path having variable resistance connected between the capacitive device and a gate of the high-side switch, wherein the gate drive path having variable resistance is of a first resistance value in response to a turn-on of the high-side switch, and the gate drive path having variable resistance is of a second resistance value in response to a turn-off of the high-side switch, and wherein the second resistance value is greater than the first resistance value, and a control switch connected between the gate of the high-side switch and ground.
    Type: Application
    Filed: December 5, 2023
    Publication date: March 28, 2024
    Inventors: Chiao-Shun CHUANG, Ta-Chuan KUO, Ke-Horng CHEN
  • Patent number: 11876511
    Abstract: An apparatus includes a capacitive device configured to provide bias power for a high-side switch, a gate drive path having variable resistance connected between the capacitive device and a gate of the high-side switch, wherein the gate drive path having variable resistance is of a first resistance value in response to a turn-on of the high-side switch, and the gate drive path having variable resistance is of a second resistance value in response to a turn-off of the high-side switch, and wherein the second resistance value is greater than the first resistance value, and a control switch connected between the gate of the high-side switch and ground.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: January 16, 2024
    Assignee: Diodes Incorporated
    Inventors: Chiao-Shun Chuang, Ta-Chuan Kuo, Ke-Horng Chen
  • Publication number: 20210336618
    Abstract: An apparatus includes a capacitive device configured to provide bias power for a high-side switch, a gate drive path having variable resistance connected between the capacitive device and a gate of the high-side switch, wherein the gate drive path having variable resistance is of a first resistance value in response to a turn-on of the high-side switch, and the gate drive path having variable resistance is of a second resistance value in response to a turn-off of the high-side switch, and wherein the second resistance value is greater than the first resistance value, and a control switch connected between the gate of the high-side switch and ground.
    Type: Application
    Filed: July 8, 2021
    Publication date: October 28, 2021
    Applicant: Diodes Incorporated
    Inventors: CHIAO-SHUN CHUANG, TA-CHUAN KUO, KE-HORNG CHEN
  • Patent number: 9153944
    Abstract: A light-emitting array comprises a plurality of light-emitting elements, wherein each of the plurality of light-emitting elements comprises a first semiconductor stack; and a plurality of bridge structures connected to the plurality of light-emitting elements, wherein the plurality of light-emitting elements are spaced apart by the plurality of bridge structures, wherein each of the plurality of bridge structures comprise a second semiconductor stack which has the same epitaxial stack as the first semiconductor stack.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: October 6, 2015
    Assignee: EPISTAR CORPORATION
    Inventors: Shih-Chang Lee, Chih-Chiang Lu, Yi-Hung Lin, Wu-Tsung Lo, Ta-Chuan Kuo
  • Publication number: 20150222094
    Abstract: A light-emitting array comprises a plurality of light-emitting elements, wherein each of the plurality of light-emitting elements comprises a first semiconductor stack; and a plurality of bridge structures connected to the plurality of light-emitting elements, wherein the plurality of light-emitting elements are spaced apart by the plurality of bridge structures, wherein each of the plurality of bridge structures comprise a second semiconductor stack which has the same epitaxial stack as the first semiconductor stack.
    Type: Application
    Filed: February 5, 2014
    Publication date: August 6, 2015
    Applicant: Epistar Corporation
    Inventors: Shih-Chang LEE, Chih-Chiang LU, Yi-Hung LIN, Wu-Tsung LO, Ta-Chuan KUO
  • Patent number: 8237223
    Abstract: A semiconductor device including a substrate, an epitaxial layer, a first sinker, a transistor, a diode unit, a first buried layer, and a second buried layer is provided. When the semiconductor device is operated at the high voltage, the highly large substrate current due to the external load is avoided through the diode unit disposed in the semiconductor device of an embodiment consistent with the invention. Furthermore, according to the design of the semiconductor device, the issue of the narrow input voltage range is improved, and interference of the semiconductor device with the other semiconductor devices is prevented.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: August 7, 2012
    Assignee: Episil Technologies Inc.
    Inventors: Shih-Kuei Ma, Ta-Chuan Kuo
  • Publication number: 20110057262
    Abstract: A semiconductor device including a substrate, an epitaxial layer, a first sinker, a transistor, a diode unit, a first buried layer, and a second buried layer is provided. When the semiconductor device is operated at the high voltage, the highly large substrate current due to the external load is avoided through the diode unit disposed in the semiconductor device of an embodiment consistent with the invention. Furthermore, according to the design of the semiconductor device, the issue of the narrow input voltage range is improved, and interference of the semiconductor device with the other semiconductor devices is prevented.
    Type: Application
    Filed: September 10, 2009
    Publication date: March 10, 2011
    Applicant: EPISIL TECHNOLOGIES INC.
    Inventors: Shih-Kuei Ma, Ta-Chuan Kuo