Patents by Inventor Hyeong-Cheol Ahn

Hyeong-Cheol Ahn 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: 20230292443
    Abstract: A flexible circuit board and display device including the same are disclosed. In one aspect, the flexible circuit board includes a base film including a bending area and a plurality of signal wires formed over the bending area of the base film. At least one through-hole is defined in the base film.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Inventor: Hyeong-Cheol AHN
  • Patent number: 11653451
    Abstract: A flexible circuit board and display device including the same are disclosed. In one aspect, the flexible circuit board includes a base film including a bending area and a plurality of signal wires formed over the bending area of the base film. At least one through-hole is defined in the base film.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeong-Cheol Ahn
  • Patent number: 11455049
    Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: September 27, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeong-Cheol Ahn, Won-il Lee, Byughoon Chae
  • Publication number: 20220121303
    Abstract: A display device has a first area, and a second area that extends from the first area and has a bent shape, the display device including a display module including a display panel, which has a corner portion in the second area, an input-sensing member on the display panel and including a body portion, which overlaps with the display panel, and an extension, which extends from the body portion, is in the second area, and does not overlap with the display panel, and a first bonding layer between the display module and the input-sensing member, wherein an edge of the extension extends beyond an edge of the corner portion.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 21, 2022
    Inventors: Hyeong Cheol AHN, Yang Han SON, Yun Oh NAM, Won Il LEE, Youn Hwan JUNG, So Hyun KIM
  • Patent number: 11216094
    Abstract: A display device has a first area, and a second area that extends from the first area and has a bent shape, the display device including a display module including a display panel, which has a corner portion in the second area, an input-sensing member on the display panel and including a body portion, which overlaps with the display panel, and an extension, which extends from the body portion, is in the second area, and does not overlap with the display panel, and a first bonding layer between the display module and the input-sensing member, wherein an edge of the extension extends beyond an edge of the corner portion.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: January 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeong Cheol Ahn, Yang Han Son, Yun Oh Nam, Won Il Lee, Youn Hwan Jung, So Hyun Kim
  • Publication number: 20200125205
    Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.
    Type: Application
    Filed: December 20, 2019
    Publication date: April 23, 2020
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeong-Cheol AHN, Won-il LEE, Byughoon CHAE
  • Patent number: 10540032
    Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: January 21, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeong-Cheol Ahn, Won-il Lee, Byughoon Chae
  • Patent number: 10481726
    Abstract: A display device with reduced chance of pad unit corrosion is presented. The display device includes: a display panel configured to display an image, the display panel including a first pad unit; a touch screen panel (TSP) attached to an upper portion of the display panel, the touch screen panel including a second pad unit; a TSP flexible printed circuit board configured to include one end that is connected to the second pad unit of the touch screen panel; a window substrate configured to cover the touch screen panel; and a TSP adhesive layer interposed between the touch screen panel and the window substrate to adhere the window substrate to the touch screen panel, wherein the TSP adhesive layer is formed such that the TSP adhesive layer at least partially covers a TSP connection part the TSP flexible printed circuit board is connected to the second pad unit of the touch screen panel.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: November 19, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyeong Cheol Ahn
  • Publication number: 20190182960
    Abstract: A flexible circuit board and display device including the same are disclosed. In one aspect, the flexible circuit board includes a base film including a bending area and a plurality of signal wires formed over the bending area of the base film. At least one through-hole is defined in the base film.
    Type: Application
    Filed: February 18, 2019
    Publication date: June 13, 2019
    Inventor: Hyeong-Cheol AHN
  • Patent number: 10321576
    Abstract: A curved display device includes a display panel including a terminal part configured to receive a driving signal, a driving circuit film including a base film and a driving chip on the base film, and a spacer disposed between the base film and the display panel. The driving chip is configured to generate the driving signal, the driving circuit film is configured to apply the driving signal to the display panel, and the driving circuit film is coupled to the terminal part and bent toward a lower surface of the display panel. The display panel and a surface of the spacer are curved along a first direction.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: June 11, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeong-Cheol Ahn
  • Patent number: 10319791
    Abstract: A method of manufacturing a display device is provided. The display device includes a digitizer which is formed so that at least a part thereof is bent and a display panel which is installed along a shape of an outer surface of the digitizer.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: June 11, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeong-Cheol Ahn
  • Publication number: 20190064995
    Abstract: A display device with reduced chance of pad unit corrosion is presented. The display device includes: a display panel configured to display an image, the display panel including a first pad unit; a touch screen panel (TSP) attached to an upper portion of the display panel, the touch screen panel including a second pad unit; a TSP flexible printed circuit board configured to include one end that is connected to the second pad unit of the touch screen panel; a window substrate configured to cover the touch screen panel; and a TSP adhesive layer interposed between the touch screen panel and the window substrate to adhere the window substrate to the touch screen panel, wherein the TSP adhesive layer is formed such that the TSP adhesive layer at least partially covers a TSP connection part the TSP flexible printed circuit board is connected to the second pad unit of the touch screen panel.
    Type: Application
    Filed: October 29, 2018
    Publication date: February 28, 2019
    Inventor: Hyeong Cheol AHN
  • Patent number: 10212819
    Abstract: A flexible circuit board and display device including the same are disclosed. In one aspect, the flexible circuit board includes a base film including a bending area and a plurality of signal wires formed over the bending area of the base film. At least one through-hole is defined in the base film.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeong-Cheol Ahn
  • Publication number: 20180364846
    Abstract: A display device has a first area, and a second area that extends from the first area and has a bent shape, the display device including a display module including a display panel, which has a corner portion in the second area, an input-sensing member on the display panel and including a body portion, which overlaps with the display panel, and an extension, which extends from the body portion, is in the second area, and does not overlap with the display panel, and a first bonding layer between the display module and the input-sensing member, wherein an edge of the extension extends beyond an edge of the corner portion.
    Type: Application
    Filed: May 21, 2018
    Publication date: December 20, 2018
    Inventors: Hyeong Cheol AHN, Yang Han SON, Yun Oh NAM, Won Il LEE, Youn Hwan JUNG, So Hyun KIM
  • Publication number: 20180341358
    Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.
    Type: Application
    Filed: August 1, 2018
    Publication date: November 29, 2018
    Inventors: Hyeong-Cheol AHN, Won-il LEE, Byughoon CHAE
  • Patent number: 10114498
    Abstract: A display device with reduced chance of pad unit corrosion is presented. The display device includes: a display panel configured to display an image, the display panel including a first pad unit; a touch screen panel (TSP) attached to an upper portion of the display panel, the touch screen panel including a second pad unit; a TSP flexible printed circuit board configured to include one end that is connected to the second pad unit of the touch screen panel; a window substrate configured to cover the touch screen panel; and a TSP adhesive layer interposed between the touch screen panel and the window substrate to adhere the window substrate to the touch screen panel, wherein the TSP adhesive layer is formed such that the TSP adhesive layer at least partially covers a TSP connection part the TSP flexible printed circuit board is connected to the second pad unit of the touch screen panel.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: October 30, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeong Cheol Ahn
  • Patent number: 10048786
    Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: August 14, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeong-Cheol Ahn, Won-il Lee, Byughoon Chae
  • Publication number: 20170249887
    Abstract: A flexible display device includes a flexible display panel, a driving circuit film, and a spacer. The flexible display panel includes a terminal part configured to receive a driving signal. The driving circuit film includes a base film and a driving chip on the base film. The driving chip being configured to generate the driving signal. The driving circuit film is coupled to the terminal part, is configured to apply the driving signal to the display panel, and bent toward a lower surface of the display panel. The spacer is on the driving circuit film and is configured to maintain a gap between the driving chip and the lower surface of the display panel.
    Type: Application
    Filed: May 16, 2017
    Publication date: August 31, 2017
    Inventor: Hyeong-Cheol Ahn
  • Patent number: 9730317
    Abstract: A display device includes a display panel including a curved surface bent along a first direction, a circuit board coupled to the display panel, the circuit board being bent along the first direction in correspondence to the curved surface of the display panel, and an integrated circuit (IC) chip on the circuit board, a short side of the IC chip extending along the first direction.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: August 8, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Hyeong-Cheol Ahn
  • Patent number: 9674961
    Abstract: A flexible display device includes a flexible display panel, a driving circuit film, and a spacer. The flexible display panel includes a terminal part configured to receive a driving signal. The driving circuit film includes a base film and a driving chip on the base film. The driving chip being configured to generate the driving signal. The driving circuit film is coupled to the terminal part, is configured to apply the driving signal to the display panel, and bent toward a lower surface of the display panel. The spacer is on the driving circuit film and is configured to maintain a gap between the driving chip and the lower surface of the display panel.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: June 6, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hyeong-Cheol Ahn