Patents by Inventor Seung-Hwan CHEONG

Seung-Hwan CHEONG 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: 20230363091
    Abstract: A connection member includes a first region, a second region, and a third region, where a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region, a first layer, which is an uppermost layer of the second region, extends to the third region, a second layer, which is a lowermost layer of the third region, extends to the second region, and a side portion of the second region at a boundary between the second region and the third region is covered by the first layer and the second layer.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    Inventors: Kyu Min HAN, Seung Hwan CHEONG
  • Patent number: 11751331
    Abstract: A connection member includes a first region, a second region, and a third region, where a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region, a first layer, which is an uppermost layer of the second region, extends to the third region, a second layer, which is a lowermost layer of the third region, extends to the second region, and a side portion of the second region at a boundary between the second region and the third region is covered by the first layer and the second layer.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: September 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyu Min Han, Seung Hwan Cheong
  • Patent number: 11600687
    Abstract: An electronic device package includes: a substrate including a central region, and a first side region and a second side region at opposite sides of the central region; a first component in the first side region or the second side region, the first component having a first height above a surface of the substrate; a second component in the central region, the second component having a second height above the surface of the substrate that is lower than the first height; a reinforcement member in the central region and overlapping the second component, the reinforcement member having a third height above the surface of the substrate that is lower than the first height and higher than the second height; and an encapsulation member covering the first component and the second component.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: March 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Hwan Cheong, Sung Bae Park, Myung Joon Yoon, Kyu Min Han
  • Patent number: 11540391
    Abstract: A display device includes: a display panel; and a first substrate connected to the display panel, wherein the first substrate comprises: a first base substrate; a first wiring layer having a plurality of first signal wirings on the first base substrate; and a first ground wiring layer on the first wiring layer, wherein the first ground wiring layer comprises a mesh pattern area and a non-mesh pattern area, wherein the mesh pattern area comprises a plurality of first mesh patterns and openings surrounded by adjacent first mesh patterns, and the non-mesh pattern area comprises a plurality of second mesh patterns and non-mesh patterns surrounded by adjacent second mesh patterns, wherein the non-mesh patterns are physically connected to the adjacent second mesh patterns.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: December 27, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Hwan Cheong, Ah Young Son, Chan Yoon Woo
  • Publication number: 20220295653
    Abstract: A connection member includes a first region, a second region, and a third region, where a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region, a first layer, which is an uppermost layer of the second region, extends to the third region, a second layer, which is a lowermost layer of the third region, extends to the second region, and a side portion of the second region at a boundary between the second region and the third region is covered by the first layer and the second layer.
    Type: Application
    Filed: July 30, 2021
    Publication date: September 15, 2022
    Inventors: Kyu Min HAN, Seung Hwan CHEONG
  • Patent number: 11264742
    Abstract: The display device includes: a display panel; a first circuit board having a first portion connected to one portion of the display panel and comprising a connector; and a second circuit board electrically connected to the first circuit board through the connector, wherein the first portion includes a base film, a dummy pad disposed on the base film, and a first solder mask partially covering the dummy pad and exposing a portion of the dummy pad, the dummy pad includes a covered region covered by the first solder mask and an exposed region exposed by the first solder mask, and a solder ball, The exposed region of the dummy pad is connected to the connector through a solder ball.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: March 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chan Yoon Woo, Seung Hwan Cheong, Ah Young Son
  • Publication number: 20210288128
    Abstract: An electronic device package includes: a substrate including a central region, and a first side region and a second side region at opposite sides of the central region; a first component in the first side region or the second side region, the first component having a first height above a surface of the substrate; a second component in the central region, the second component having a second height above the surface of the substrate that is lower than the first height; a reinforcement member in the central region and overlapping the second component, the reinforcement member having a third height above the surface of the substrate that is lower than the first height and higher than the second height; and an encapsulation member covering the first component and the second component.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 16, 2021
    Inventors: Seung Hwan CHEONG, Sung Bae PARK, Myung Joon YOON, Kyu Min HAN
  • Publication number: 20210066828
    Abstract: The display device includes: a display panel; a first circuit board having a first portion connected to one portion of the display panel and comprising a connector; and a second circuit board electrically connected to the first circuit board through the connector, wherein the first portion includes a base film, a dummy pad disposed on the base film, and a first solder mask partially covering the dummy pad and exposing a portion of the dummy pad, the dummy pad includes a covered region covered by the first solder mask and an exposed region exposed by the first solder mask, and a solder ball, The exposed region of the dummy pad is connected to the connector through a solder ball.
    Type: Application
    Filed: April 1, 2020
    Publication date: March 4, 2021
    Inventors: Chan Yoon WOO, Seung Hwan CHEONG, Ah Young SON
  • Publication number: 20210037647
    Abstract: A display device includes: a display panel; and a first substrate connected to the display panel, wherein the first substrate comprises: a first base substrate; a first wiring layer having a plurality of first signal wirings on the first base substrate; and a first ground wiring layer on the first wiring layer, wherein the first ground wiring layer comprises a mesh pattern area and a non-mesh pattern area, wherein the mesh pattern area comprises a plurality of first mesh patterns and openings surrounded by adjacent first mesh patterns, and the non-mesh pattern area comprises a plurality of second mesh patterns and non-mesh patterns surrounded by adjacent second mesh patterns, wherein the non-mesh patterns are physically connected to the adjacent second mesh patterns.
    Type: Application
    Filed: March 26, 2020
    Publication date: February 4, 2021
    Inventors: Seung Hwan CHEONG, Ah Young SON, Chan Yoon WOO
  • Patent number: 9595214
    Abstract: A method of controlling a driving voltage of a display apparatus includes transmitting a ready signal from a timing control circuit of the display apparatus to a power management circuit of the display apparatus through a connection area of a connection member of the display apparatus, which is disposed between a display panel and a main circuit board of the display apparatus, and controlling a generation of the driving voltage from the power management circuit based on the ready signal received by the power management circuit, where the display apparatus includes a gate driver circuit disposed on the display panel, and the timing control circuit and the power management circuit are disposed on the main circuit board.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: March 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee-Jeong Seo, Jae-Ill Kim, Jong-Min Shim, Ji-Young Lee, Seung-Hwan Cheong, Eui-Myeong Cho
  • Publication number: 20150187317
    Abstract: A method of controlling a driving voltage of a display apparatus includes transmitting a ready signal from a timing control circuit of the display apparatus to a power management circuit of the display apparatus through a connection area of a connection member of the display apparatus, which is disposed between a display panel and a main circuit board of the display apparatus, and controlling a generation of the driving voltage from the power management circuit based on the ready signal received by the power management circuit, where the display apparatus includes a gate driver circuit disposed on the display panel, and the timing control circuit and the power management circuit are disposed on the main circuit board.
    Type: Application
    Filed: June 24, 2014
    Publication date: July 2, 2015
    Inventors: Hee-Jeong SEO, Jae-Ill KIM, Jong-Min SHIM, Ji-Young LEE, Seung-Hwan CHEONG, Eui-Myeong CHO