Patents by Inventor Heeburm RYU

Heeburm RYU 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).

  • Audio output device
    Patent number: 10827281
    Abstract: In order to solve problems with an audio device that is difficult to machine and has an increased amount of wiring, the present invention provides an audio output device comprising: a first electrode layer including a plurality of rows of electrodes arranged in a first direction; a second electrode layer disposed on the back surface of the first electrode layer and including a plurality of rows of electrodes arranged in a second direction; a driving layer including a piezoelectric layer disposed between the first electrode layer and the second electrode layer and a support layer coupled to one of the front surface and the back surface of the piezoelectric layer; and a support plate coupled to the back surface of the driving layer and having a hollow portion formed in a region corresponding to each of intersections between the plurality of rows of electrodes in the first electrode layer and the plurality of rows of electrodes in the second electrode layer intersect.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: November 3, 2020
    Assignees: LG ELECTRONICS INC., KYOCERA CORPORATION
    Inventors: Yutaka Fukuyama, Yukio Hiratsuka, Heeburm Ryu, Kousei Horiuchi
  • AUDIO OUTPUT DEVICE
    Publication number: 20190238995
    Abstract: In order to solve problems with an audio device that is difficult to machine and has an increased amount of wiring, the present invention provides an audio output device comprising: a first electrode layer including a plurality of rows of electrodes arranged in a first direction; a second electrode layer disposed on the back surface of the first electrode layer and including a plurality of rows of electrodes arranged in a second direction; a driving layer including a piezoelectric layer disposed between the first electrode layer and the second electrode layer and a support layer coupled to one of the front surface and the back surface of the piezoelectric layer; and a support plate coupled to the back surface of the driving layer and having a hollow portion formed in a region corresponding to each of intersections between the plurality of rows of electrodes in the first electrode layer and the plurality of rows of electrodes in the second electrode layer intersect.
    Type: Application
    Filed: February 1, 2017
    Publication date: August 1, 2019
    Applicants: LG ELECTRONICS INC., KYOCERA CORPORATION
    Inventors: Yutaka FUKUYAMA, Yukio HIRATSUKA, Heeburm RYU, Kousei HORIUCHI