Patents by Inventor Jun Hee Oh

Jun Hee Oh 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).

  • ALIGNMENT DEVICE AND LAMINATION DEVICE INCLUDING THE SAME
    Publication number: 20240181766
    Abstract: An alignment device includes: a first stage; a plurality of base plates disposed on the first stage and on which a material is placed; and a plurality of second stages disposed under the first stage, and connected to the plurality of base plates, respectively, and capable of aligning each of the plurality of base plates in X, Y, and ? directions.
    Type: Application
    Filed: July 26, 2023
    Publication date: June 6, 2024
    Inventors: TAEYOUNG PARK, SUKJU KANG, TETSUYA OKAMOTO, BYUNG MOO KIM, SANG CHEOL KIM, MYUNG-HUN OH, DONGGUL LEE, JUN-HEE LEE
  • DISPLAY DEVICE
    Publication number: 20240188403
    Abstract: A display device includes: a display panel including a first substrate having a pixel area; and a cover layer. A rear surface of the first substrate is bonded to a front surface of the cover layer, and a linear flow path pattern is formed in at least one of the rear surface of the first substrate and the front surface of the cover layer at a depth from a corresponding surface.
    Type: Application
    Filed: August 9, 2023
    Publication date: June 6, 2024
    Inventors: Jun Hee SON, Haeng Won PARK, Hyun Joon OH, Jee Na LEE
  • Feedback amplifier as an impedance modulator for a linear power amplifier
    Patent number: 11239808
    Abstract: A power amplifier and power amplification circuit are described herein. An illustrative power amplifier is disclosed to include an input terminal, a drive amplifier connected to the input terminal, and an impedance modulator having a capacitance that is adjusted inversely and proportionately relative to a signal output by the drive amplifier, wherein the impedance modulator provides a feedback loop between an output of the drive amplifier and the input terminal.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: February 1, 2022
    Assignee: Avago Technologies International Sales Pte. Limited
    Inventors: Seung Yub Lee, Jun Hee Oh, Un-Ha Kim, Joo Young Jeon
  • FEEDBACK AMPLIFIER AS AN IMPEDANCE MODULATOR FOR A LINEAR POWER AMPLIFIER
    Publication number: 20210126605
    Abstract: A power amplifier and power amplification circuit are described herein. An illustrative power amplifier is disclosed to include an input terminal, a drive amplifier connected to the input terminal, and an impedance modulator having a capacitance that is adjusted inversely and proportionately relative to a signal output by the drive amplifier, wherein the impedance modulator provides a feedback loop between an output of the drive amplifier and the input terminal.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 29, 2021
    Inventors: Seung Yub Lee, Jun Hee Oh, Un-Ha Kim, Joo Young Jeon
  • Protection circuit for power amplifier
    Patent number: 9705452
    Abstract: A power amplifier comprising a power stage comprises a voltage detection circuit configured to detect an output voltage of the power stage, a current detection circuit configured to detect an output current of the power stage, a control voltage generation circuit configured to generate a control voltage substantially proportional to the detected output voltage and the detected output current, and a control circuit configured to decrease an output power of the power stage when the control voltage exceeds a predetermined value.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: July 11, 2017
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Jun Hee Oh, Moon Suk Jeon, Joo Min Jung, Jung Hyun Kim
  • PROTECTION CIRCUIT FOR POWER AMPLIFIER
    Publication number: 20170126184
    Abstract: A power amplifier comprising a power stage comprises a voltage detection circuit configured to detect an output voltage of the power stage, a current detection circuit configured to detect an output current of the power stage, a control voltage generation circuit configured to generate a control voltage substantially proportional to the detected output voltage and the detected output current, and a control circuit configured to decrease an output power of the power stage when the control voltage exceeds a predetermined value.
    Type: Application
    Filed: October 30, 2015
    Publication date: May 4, 2017
    Inventors: Jun Hee Oh, Moon Suk Jeon, Joo Min Jung, Jung Hyun Kim