Patents by Inventor Yong-Chang PARK

Yong-Chang PARK 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: 20240066154
    Abstract: The present invention provides iron oxide magnetic particles containing iron oxide and MXn, wherein M as a transition metal containing electrons in a 5d orbital on the periodic table includes one or more selected from the group consisting of Hf, Ta, W, Re, Os, Ir, Pt, Au, and Hg, X includes one or more selected from the group consisting of F, Cl, Br, and I, and n is an integer of 1 to 6.
    Type: Application
    Filed: December 28, 2021
    Publication date: February 29, 2024
    Applicant: ZTI BIOSCIENCES CO., LTD.
    Inventors: Hyungseok CHANG, Yong-Sun PARK, Ji-Young RYU
  • Patent number: 10983637
    Abstract: A display device is provided. The display device includes a display panel, a backlight unit, and a rear chassis. The display panel is configured to display an image. The backlight unit is provided on a rear surface of the display panel. The rear chassis includes a protruding region, a vibration plate, and at least one acoustic element. The protruding region is protruded in a rear direction. The at least one acoustic element is provided in the vibration plate and includes a pair of electrodes and a vibration material layer provided therebetween. The protruding region and the vibration plate are made of different materials.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Hee Lee, Yong Chang Park, Yi Joon Ahn
  • Publication number: 20190324596
    Abstract: A display device is provided. The display device includes a display panel, a backlight unit, and a rear chassis. The display panel is configured to display an image. The backlight unit is provided on a rear surface of the display panel. The rear chassis includes a protruding region, a vibration plate, and at least one acoustic element. The protruding region is protruded in a rear direction. The at least one acoustic element is provided in the vibration plate and includes a pair of electrodes and a vibration material layer provided therebetween. The protruding region and the vibration plate are made of different materials.
    Type: Application
    Filed: July 5, 2019
    Publication date: October 24, 2019
    Inventors: TAE HEE LEE, Yong Chang Park, Yi Joon Ahn
  • Patent number: 10386967
    Abstract: A display device is provided. The display device includes a display panel, a backlight unit, and a rear chassis. The display panel is configured to display an image. The backlight unit is provided on a rear surface of the display panel. The rear chassis includes a protruding region, a vibration plate, and at least one acoustic element. The protruding region is protruded in a rear direction. The at least one acoustic element is provided in the vibration plate and includes a pair of electrodes and a vibration material layer provided therebetween. The protruding region and the vibration plate are made of different materials.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: August 20, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Hee Lee, Yong Chang Park, Yi Joon Ahn
  • Publication number: 20150362744
    Abstract: A three-dimensional (“3D”) image display device includes a display panel assembly which displays a two-dimensional (“2D”) image including a left region and a right region, which are divided by an axis, and the display panel assembly repeatedly rotates back and forth by a predetermined angle with respect to the axis.
    Type: Application
    Filed: August 27, 2015
    Publication date: December 17, 2015
    Inventor: Yong Chang PARK
  • Patent number: 9151957
    Abstract: A three-dimensional (“3D”) image display device includes a display panel assembly which displays a two-dimensional (“2D”) image including a left region and a right region, which are divided by an axis, and the display panel assembly repeatedly rotates back and forth by a predetermined angle with respect to the axis.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: October 6, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Yong Chang Park
  • Publication number: 20150185963
    Abstract: A display device is provided. The display device includes a display panel, a backlight unit, and a rear chassis. The display panel is configured to display an image. The backlight unit is provided on a rear surface of the display panel. The rear chassis includes a protruding region, a vibration plate, and at least one acoustic element. The protruding region is protruded in a rear direction. The at least one acoustic element is provided in the vibration plate and includes a pair of electrodes and a vibration material layer provided therebetween. The protruding region and the vibration plate are made of different materials.
    Type: Application
    Filed: October 2, 2014
    Publication date: July 2, 2015
    Inventors: TAE HEE LEE, Yong Chang Park, Yi Joon Ahn
  • Patent number: 8888350
    Abstract: A light source assembly includes a first substrate, a plurality of first light source units mounted on the first substrate and spaced apart from each other by a first distance, a second substrate and a plurality of second light source units mounted on the second substrate and spaced apart from each other by a second distance, each of the second light source units being disposed between the first light source units adjacent to each other.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: November 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong-Chang Park
  • Publication number: 20130201083
    Abstract: A three-dimensional (“3D”) image display device includes a display panel assembly which displays a two-dimensional (“2D”) image including a left region and a right region, which are divided by an axis, and the display panel assembly repeatedly rotates back and forth by a predetermined angle with respect to the axis.
    Type: Application
    Filed: July 11, 2012
    Publication date: August 8, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: Yong Chang PARK
  • Publication number: 20120243258
    Abstract: A light source assembly includes a first substrate, a plurality of first light source units mounted on the first substrate and spaced apart from each other by a first distance, a second substrate and a plurality of second light source units mounted on the second substrate and spaced apart from each other by a second distance, each of the second light source units being disposed between the first light source units adjacent to each other.
    Type: Application
    Filed: September 23, 2011
    Publication date: September 27, 2012
    Inventor: Yong-Chang PARK