Patents by Inventor HANHO PARK

HANHO 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).

  • Patent number: 11894294
    Abstract: A display apparatus includes a printed circuit board including first to fourth output pad regions and a flexible circuit board having a first end connected to a display panel and a second end connected to the printed circuit board. The first output pad region includes a 1st-1st output pad group and a 1st-2nd output pad group, the second output pad region includes a 2nd-1st output pad group and a 2nd-2nd output pad group, the fourth output pad region includes a 4th-1st output pad group and a 4th-2nd output pad group, and the printed circuit board includes a first input terminal electrically connected to the 1st-1st output pad group, a second input terminal electrically connected to the 2nd-2nd output pad group, a third input terminal electrically connected to the first input terminal, and a fourth input terminal electrically connected to the 4th-2nd output pad group.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hanho Park, Jeongeun Park, Soyeon Joo
  • Publication number: 20230251535
    Abstract: A display device including a display panel including a base layer, a circuit layer disposed on the base layer, and a pad part having a plurality of pads disposed on the base layer; and a driving chip disposed on the pad part and including a plurality of chip pads. The plurality of pads include a first pad having a smaller area than a corresponding chip pad among the plurality of chip pads and a second pad electrically connected to the circuit layer.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 10, 2023
    Inventors: Sujeong KIM, Hanho Park, Sangwon Yeo, Daegeun Lee, Joonsam Kim
  • Patent number: 11723148
    Abstract: Provided is a display apparatus. The display apparatus includes a flexible circuit board including flexible pads, a main circuit board including main pads, and a display panel including a plurality of pixels connected to the flexible circuit board and configured to receive a signal from the driving chip. In each of the flexible pads and the main pads, a portion of the pads is gradually tilted from pads disposed at a center to pads disposed at an outer side among the pads, and a tilted angle of a main pad disposed at the outermost side of the main circuit board is greater than that of a flexible pad disposed at the outermost side of the flexible circuit board.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongeun Park, Hanho Park, Jeongmin Ban, Joongmok Lee, Chung-Seok Lee, Soyeon Joo, Seoungbum Pyoun
  • Patent number: 11650465
    Abstract: A display device including a display panel including a base layer, a circuit layer disposed on the base layer, and a pad part having a plurality of pads disposed on the base layer; and a driving chip disposed on the pad part and including a plurality of chip pads. The plurality of pads include a first pad having a smaller area than a corresponding chip pad among the plurality of chip pads and a second pad electrically connected to the circuit layer.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sujeong Kim, Hanho Park, Sangwon Yeo, Daegeun Lee, Joonsam Kim
  • Patent number: 11653550
    Abstract: A display device includes a display panel including a plurality of display pads at least some of which at least a portion extend in a first direction and are arranged in a second direction intersecting the first direction, and a flexible circuit board including circuit pads, at least some of which at are electrically connected to the display pads, and circuit lines connected to the circuit pads. The circuit pads include at least one dummy pad, and the circuit lines include a dummy circuit line, of which at least a portion of is connected to the at least one dummy pad. The dummy circuit line includes a first portion connected to the at least one dummy pad and a second portion spaced apart from the first portion by a gap.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: May 16, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joongmok Lee, Jeongeun Park, Hanho Park, Chung-Seok Lee, Soyeon Joo
  • Publication number: 20230104777
    Abstract: A display apparatus includes a printed circuit board including first to fourth output pad regions and a flexible circuit board having a first end connected to a display panel and a second end connected to the printed circuit board. The first output pad region includes a 1st-1st output pad group and a 1st-2nd output pad group, the second output pad region includes a 2nd-1st output pad group and a 2nd-2nd output pad group, the fourth output pad region includes a 4th- 1st output pad group and a 4th-2nd output pad group, and the printed circuit board includes a first input terminal electrically connected to the 1st-1st output pad group, a second input terminal electrically connected to the 2nd-2nd output pad group, a third input terminal electrically connected to the first input terminal, and a fourth input terminal electrically connected to the 4th-2nd output pad group.
    Type: Application
    Filed: May 26, 2022
    Publication date: April 6, 2023
    Inventors: HANHO PARK, Jeongeun Park, Soyeon Joo
  • Publication number: 20220216451
    Abstract: An apparatus for manufacturing a display device, includes: a stage; a temperature controlling portion on the stage, and to receive a member seated on the temperature controlling portion; and a jig portion facing the temperature controlling portion, the jig portion to move linearly, and to receive an adhesive member. The jig portion includes: a first support plate; a second support plate facing the first support plate; and a pressurization plate on the first support plate and the second support plate, the pressurization plate to receive the adhesive member thereon. An end of the pressurization plate is spaced further from the member than an end of the first support plate and an end of the second support plate when the member is seated on the temperature controlling portion.
    Type: Application
    Filed: July 26, 2021
    Publication date: July 7, 2022
    Inventors: Soyeon JOO, Hanho PARK, Jeongeun PARK, Jeongmin BAN, Joongmok LEE, Chungseok LEE, Seoungbum PYOUN
  • Publication number: 20220174817
    Abstract: Provided is a display apparatus. The display apparatus includes a flexible circuit board including flexible pads, a main circuit board including main pads, and a display panel including a plurality of pixels connected to the flexible circuit board and configured to receive a signal from the driving chip. In each of the flexible pads and the main pads, a portion of the pads is gradually tilted from pads disposed at a center to pads disposed at an outer side among the pads, and a tilted angle of a main pad disposed at the outermost side of the main circuit board is greater than that of a flexible pad disposed at the outermost side of the flexible circuit board.
    Type: Application
    Filed: September 1, 2021
    Publication date: June 2, 2022
    Inventors: JEONGEUN PARK, HANHO PARK, JEONGMIN BAN, JOONGMOK LEE, CHUNG-SEOK LEE, SOYEON JOO, SEOUNGBUM PYOUN
  • Publication number: 20220118637
    Abstract: A film cutting device includes a stage which supports a circuit film, a cutter disposed on the stage to cut the circuit film, a vibration horn connected to the cutter, where the vibration horn vibrates the cutter in a first direction based on an ultrasonic wave, and a cooler which cools the cutter.
    Type: Application
    Filed: August 16, 2021
    Publication date: April 21, 2022
    Inventors: Chung-Seok Lee, Jeongeun Park, Hanho Park, Jeongmin Ban, Joongmok Lee, Soyeon Joo
  • Publication number: 20220085120
    Abstract: A display device includes a display panel including a plurality of display pads at least some of which at least a portion extend in a first direction and are arranged in a second direction intersecting the first direction, and a flexible circuit board including circuit pads, at least some of which at are electrically connected to the display pads, and circuit lines connected to the circuit pads. The circuit pads include at least one dummy pad, and the circuit lines include a dummy circuit line, of which at least a portion of is connected to the at least one dummy pad. The dummy circuit line includes a first portion connected to the at least one dummy pad and a second portion spaced apart from the first portion by a gap.
    Type: Application
    Filed: March 24, 2021
    Publication date: March 17, 2022
    Inventors: JOONGMOK LEE, Jeongeun Park, Hanho Park, Chung-Seok Lee, Soyeon Joo
  • Publication number: 20210116734
    Abstract: A display device including a display panel including a base layer, a circuit layer disposed on the base layer, and a pad part having a plurality of pads disposed on the base layer; and a driving chip disposed on the pad part and including a plurality of chip pads. The plurality of pads include a first pad having a smaller area than a corresponding chip pad among the plurality of chip pads and a second pad electrically connected to the circuit layer.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Inventors: Sujeong Kim, Hanho Park, Sangwon Yeo, Daegeun Lee, Joonsam Kim
  • Patent number: 10910333
    Abstract: A display device including a display panel including a base layer, a circuit layer disposed on the base layer, and a pad part having a plurality of pads disposed on the base layer; and a driving chip disposed on the pad part and including a plurality of chip pads. The plurality of pads include a first pad having a smaller area than a corresponding chip pad among the plurality of chip pads and a second pad electrically connected to the circuit layer.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sujeong Kim, Hanho Park, Sangwon Yeo, Daegeun Lee, Joonsam Kim
  • Publication number: 20190363061
    Abstract: A display device including a display panel including a base layer, a circuit layer disposed on the base layer, and a pad part having a plurality of pads disposed on the base layer; and a driving chip disposed on the pad part and including a plurality of chip pads. The plurality of pads include a first pad having a smaller area than a corresponding chip pad among the plurality of chip pads and a second pad electrically connected to the circuit layer.
    Type: Application
    Filed: August 8, 2019
    Publication date: November 28, 2019
    Inventors: Sujeong KIM, Hanho PARK, Sangwon YEO, Daegeun LEE, Joonsam KIM
  • Patent number: 10410987
    Abstract: A display device including a display panel including a base layer, a circuit layer disposed on the base layer, and a pad part having a plurality of pads disposed on the base layer; and a driving chip disposed on the pad part and including a plurality of chip pads. The plurality of pads include a first pad having a smaller area than a corresponding chip pad among the plurality of chip pads and a second pad electrically connected to the circuit layer.
    Type: Grant
    Filed: June 11, 2017
    Date of Patent: September 10, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sujeong Kim, Hanho Park, Sangwon Yeo, Daegeun Lee, Joonsam Kim
  • Publication number: 20180040576
    Abstract: A display device including a display panel including a base layer, a circuit layer disposed on the base layer, and a pad part having a plurality of pads disposed on the base layer; and a driving chip disposed on the pad part and including a plurality of chip pads. The plurality of pads include a first pad having a smaller area than a corresponding chip pad among the plurality of chip pads and a second pad electrically connected to the circuit layer.
    Type: Application
    Filed: June 11, 2017
    Publication date: February 8, 2018
    Inventors: SUJEONG KIM, HANHO PARK, SANGWON YEO, DAEGEUN LEE, JOONSAM KIM