Patents by Inventor Joo-Hwan Ji

Joo-Hwan Ji 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: 20240172368
    Abstract: A printed circuit board includes: a first board unit including a plurality of first insulating layers and a plurality of first wiring layers respectively disposed on or in the plurality of first insulating layers; a second board unit including one or more second insulating layers and one or more second wiring layers respectively disposed on or in the one or more second insulating layers; and a first passive device embedded in at least one of the first and second board units. The second board unit is disposed on the first board unit, and the first board unit has a second cavity passing through at least a portion of the plurality of first insulating layers on the first passive device based on a stacking direction of the plurality of first wiring layers.
    Type: Application
    Filed: May 26, 2023
    Publication date: May 23, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yun Je JI, Yong Hoon KIM, Seung Eun LEE, Joo Hwan JUNG
  • Patent number: 6411271
    Abstract: A liquid crystal display including many speakers within a stand and having a display unit, a display angle of which can be adjusted by a cam in order that a user can conveniently see it. The stand supports the display unit through a support and has an inclined part between a front part and a rear part. In addition, a speaker for outputting a high-pitched sound is installed within the front part of the stand and speakers for outputting a middle-low pitched sound are installed within the both sides of the stand. The support is rotatably connected to the display unit and the stand by a driving of the cam and contacted with the cam provided to toe inclined part of the stand and the angle of the support is adjusted by a rotation of the cam and so an angle of the display unit is adjusted.
    Type: Grant
    Filed: March 15, 1999
    Date of Patent: June 25, 2002
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Il-Soon Bang, Byeong-Yong Song, Joo-Hwan Ji