Patents by Inventor Cholong Won

Cholong Won 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: 12733365
    Abstract: A display apparatus includes a substrate and pad terminals arranged on the substrate in a first direction in a pad area and including a first pad terminal disposed at outer side and an ith pad terminal disposed at inner side. Each of the pad terminals includes a lower conductive layer, convex portions, and an upper conductive layer. An overlapping area between the lower conductive layer of the first pad terminal and the convex portions is different from an overlapping area between the lower conductive layer of the ith pad terminal and the convex portions in a plan view.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: September 8, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kikyung Youk, Hanbum Kwon, Cholong Won
  • Patent number: 12690348
    Abstract: A display device includes a first conductive pattern layer connected to a signal line, a second conductive pattern layer connected to the first conductive pattern layer, and an insulation pattern layer disposed between the signal line and the second conductive pattern layer and overlapping the second conductive pattern layer. The second conductive pattern layer exposes a portion of an upper surface and a side surface of the insulation pattern layer. The second conductive pattern layer includes first and second edge portions disposed on the upper surface of the insulation pattern layer and facing each other in a second direction intersecting a first direction. A distance between the first and second edge portions decreases as moving along the first direction in a first region of the upper surface of the insulation pattern layer, and increases as moving along the first direction in a second region of the upper surface.
    Type: Grant
    Filed: September 20, 2023
    Date of Patent: July 21, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heeju Woo, Cholong Won, Kikyung Youk, Seung-Soo Ryu
  • Publication number: 20260123213
    Abstract: An electronic device includes a display panel including a display area and a non-display area next (adjacent) to the display area and an electronic component disposed in the non-display area and electrically connected to the display panel. The display panel includes a base layer, a pixel disposed on the base layer, a signal line electrically connected to the pixel, and a signal pad electrically connected to the signal line. The signal pad includes a first conductive pattern connected to an end part of the signal line, a second conductive pattern disposed on the first conductive pattern and connected to the first conductive pattern, and an insulating pattern disposed between the end part and the second conductive pattern. An opening is defined through the second conductive pattern and the insulating pattern to overlap the end part. The electronic component includes a bump contacting the second conductive pattern.
    Type: Application
    Filed: August 29, 2025
    Publication date: April 30, 2026
    Inventors: SEUNGJAE KANG, KIYONG KIM, HEEJU WOO, CHOLONG WON, DAEHWAN JANG, HYUNGBIN CHO, Kyungbin CHOI
  • Publication number: 20260107612
    Abstract: A display device includes a substrate including a display area and a non-display area. A pad portion is disposed in the non-display area and includes a pad area in which a pad is disposed and a non-pad area surrounding the pad area. First and second pattern layers partially overlap the pad and are spaced apart from each other. The first pattern layer may overlap a portion of the pad area and a portion of the non-pad area, and the second pattern layer may overlap a portion of the pad area and may include a center line of the pad. In a maximum height measured in a first direction that is perpendicular to an upper surface of the substrate from the upper surface thereof, a first height of the first pattern layer may be greater than a second height of the second pattern layer.
    Type: Application
    Filed: July 2, 2025
    Publication date: April 16, 2026
    Inventors: HEEJU WOO, KIYONG KIM, CHOLONG WON, HYUNGBIN CHO
  • Publication number: 20260090223
    Abstract: An electronic device includes a display panel including: a substrate including a display area and a pad area; a thin film transistor in the display area and comprising a semiconductor layer, a gate layer on the semiconductor layer, and a first conductive layer electrically connected to the semiconductor layer; a second conductive layer on the thin film transistor and electrically connected to the first conductive layer; a pixel electrode on the second conductive layer and electrically connected to the second conductive layer; an input sensing layer on the pixel electrode and comprising a touch conductive layer and an organic insulating layer; a support pad layer in the pad area and including a same material as the pixel electrode; a polymer pad on the support pad layer; and an upper pad layer on the polymer pad and including a same material as the touch conductive layer.
    Type: Application
    Filed: March 24, 2025
    Publication date: March 26, 2026
    Inventors: Kiyong Kim, Heeju Woo, Cholong Won, Hyungbin Cho, Kyungbin Choi
  • Publication number: 20260082780
    Abstract: A display panel includes a display region including a pixel and a non-display region including a pad region. A signal pad is connected to the pixel through a signal line is disposed in the pad region. The signal pad includes a first conductive pattern connected to a portion of the signal line, a second conductive pattern disposed on the first conductive pattern, a third conductive pattern disposed on the second conductive pattern, and an insulating pattern disposed between the second conductive pattern and the third conductive pattern. The insulating pattern includes a first insulating pattern and a second insulating pattern disposed at the same layer as the first insulating pattern. The first insulating pattern and the second insulating pattern are in contact with each other, and the hardness of the first insulating pattern is greater than the hardness of the second insulating pattern.
    Type: Application
    Filed: June 17, 2025
    Publication date: March 19, 2026
    Inventors: HEEJU WOO, KIYONG KIM, CHOLONG WON, HYUNGBIN CHO
  • Publication number: 20260052859
    Abstract: A display module may include a display panel that may include a display region, and a non-display region disposed adjacent to the display region, wherein a pad region is disposed in the non-display region, the display panel may include pixels disposed in the display region, and a signal pad connected to the pixels through a signal line and is disposed in the pad region, the signal pad may include a first conductive pattern connected to a portion of the signal line, a second conductive pattern disposed on the first conductive pattern, a third conductive pattern disposed on the second conductive pattern, and an insulating pattern disposed between the second conductive pattern and the third conductive pattern, an opening may be disposed in at least one of the first conductive pattern and the second conductive pattern, and the opening may overlap the insulating pattern.
    Type: Application
    Filed: August 12, 2025
    Publication date: February 19, 2026
    Applicant: Samsung Display Co., Ltd.
    Inventors: HEEJU WOO, KIYONG KIM, CHOLONG WON, HYUNGBIN CHO
  • Publication number: 20260047290
    Abstract: A display panel includes a pixel. A signal line is electrically connected to the pixel. A signal pad is connected to the signal line. The signal pad includes a first conductive layer electrically connected to a portion of the signal line. A second conductive layer is disposed on the first conductive layer. An insulating layer is disposed between the first conductive layer and the second conductive layer. An opening is defined in the second conductive layer. The opening exposes a portion of a top surface of the insulating layer.
    Type: Application
    Filed: August 11, 2025
    Publication date: February 12, 2026
    Inventor: CHOLONG WON
  • Publication number: 20260007014
    Abstract: A display device includes: a base layer; a pixel; a signal line electrically connected to the pixel; and a signal pad connected to the signal line. The signal pad includes: a first conductive pattern connected to an end portion of the signal line; an insulating pattern on the first conductive pattern; a second conductive pattern contacting the first conductive pattern, and including a portion on a part of an upper surface of the insulating pattern; and a third conductive pattern on the first conductive pattern, and including a portion overlapping with the portion of the second conductive pattern. A partial area of the upper surface of the insulating pattern is exposed from the second conductive pattern and the third conductive pattern, and the end portion of the signal line is connected to the first conductive pattern through a first contact hole defined in a first group of insulating layers.
    Type: Application
    Filed: February 27, 2025
    Publication date: January 1, 2026
    Inventors: HEEJU WOO, KIYONG KIM, CHOLONG WON, HYUNGBIN CHO
  • Publication number: 20250316631
    Abstract: A display device includes a display panel including a base substrate and a first pad disposed on the base substrate. A driving chip includes a chip pad corresponding to the first pad and a bump electrically connecting the first pad and the chip pad to each other. An adhesive member is disposed between the display panel and the driving chip. The adhesive member couples the first pad and the chip pad to each other. The bump includes a first surface and a second surface opposite to the first surface in a thickness direction of the base substrate. The bump includes a plurality of patterns on the first surface and the second surface.
    Type: Application
    Filed: February 26, 2025
    Publication date: October 9, 2025
    Inventors: CHOLONG WON, KIYONG KIM, HEEJU WOO, HYUNGBIN CHO
  • Publication number: 20250212638
    Abstract: A display device includes a substrate including a display area and a peripheral area located around the display area. A plurality of pixels is disposed in the display area. A pad electrode is disposed on the substrate in the peripheral area. A bump portion is disposed on the pad electrode. The bump portion includes a first metal portion. A first polymer is disposed on the first metal portion. The first polymer has a hole defined in a center of the first polymer. A second polymer is disposed inside the hole of the first polymer. A second metal portion is disposed on the first metal portion. The second metal portion covers the first polymer and the second polymer. The second metal portion is electrically connected to the first metal portion.
    Type: Application
    Filed: December 18, 2024
    Publication date: June 26, 2025
    Inventors: CHOLONG WON, HEEJU WOO
  • Publication number: 20250151553
    Abstract: A display device includes a base layer including a display area including a light emitting element, and a non-display area which is adjacent to the display area and includes a pad, and a signal line connecting the light emitting element to the pad. In the non-display area, the pad includes a lower conductive pattern on the base layer, a first pattern on the lower conductive pattern and including a first photosensitive material, an upper conductive pattern on the lower conductive pattern and overlapping the first pattern, and a second pattern on the first pattern and comprising a second photosensitive material different from the first photosensitive material.
    Type: Application
    Filed: October 15, 2024
    Publication date: May 8, 2025
    Inventors: KIYONG KIM, HEEJU WOO, CHOLONG WON, HYUNGBIN CHO
  • Publication number: 20250107379
    Abstract: A display device includes a display module including a pixel, a signal line electrically connected to the pixel, and a signal pad contacting the signal line. The signal pad includes an insulating pattern disposed on the signal line, and a conductive pattern electrically connected to the signal line. The conductive pattern includes a first part including a mesh pattern, and a second part surrounding the first part. At least a portion of the first part is disposed on the insulating pattern.
    Type: Application
    Filed: April 3, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventor: CHOLONG WON
  • Publication number: 20250107369
    Abstract: A display device includes: a display panel having a display region in which a pixel is disposed and a non-display region in which a pad electrode is disposed; a driving part disposed on the display panel and having a bump electrode disposed to correspond to the pad electrode; and an adhesive layer in contact with the pad electrode and the bump electrode. The pad electrode includes: a first connection pattern containing a conductive material; an auxiliary pattern disposed on the first connection pattern, protruding toward the bump electrode, and containing an insulating material; and a second connection pattern, which contains a conductive material, of which a portion is disposed on the auxiliary pattern, and in which an opening that exposes a portion of the auxiliary pattern is defined, and the auxiliary pattern includes a tip portion more protruding toward the opening than the first connection pattern.
    Type: Application
    Filed: September 17, 2024
    Publication date: March 27, 2025
    Inventors: SEUNGJAE KANG, HEEJU WOO, CHOLONG WON, DAEHWAN JANG
  • Publication number: 20250098455
    Abstract: A display device includes: a base layer including a display area and a non-display area adjacent to the display area, insulating layers arranged on the base layer, pixels arranged in the display area, pads connected to the pixels, arranged in a first direction, and arranged in the non-display area, and a driving chip connected to the pads. Each of side pads arranged at opposite ends in the first direction among the pads includes: a first conductive pattern; a first insulating pattern including protruding patterns, which protrude in a direction toward the driving chip; and a second insulating pattern disposed on the first insulating pattern.
    Type: Application
    Filed: May 31, 2024
    Publication date: March 20, 2025
    Inventors: CHOLONG WON, KIYONG KIM, HEEJU WOO, HYUNGBIN CHO
  • Publication number: 20250081780
    Abstract: A display device includes a display panel including a display region in which a light emitting element and a signal line are disposed, and a non-display region which is adjacent to the display region and in which a pad connected to the signal line is disposed. The pad includes a first conductive pattern at which the pad is connected to the signal line, an insulating pattern which is on the first conductive pattern and defines protrusions adjacent to each other in a direction along the first conductive pattern, a second conductive pattern on the insulating pattern and electrically connected to the first conductive pattern, and a conductive member between the protrusions and at least partially in the second conductive pattern.
    Type: Application
    Filed: August 22, 2024
    Publication date: March 6, 2025
    Inventors: CHOLONG WON, KIYONG KIM, HEEJU WOO, HYUNGBIN CHO
  • Publication number: 20240224653
    Abstract: A display device includes a substrate, a pixel disposed on the substrate, a signal line including a line part electrically connected to the pixel and a pad part extending from an end of the line part and having a width greater than a width of the line part, a signal pad disposed on the pad part, and protruding portions disposed between the signal pad and the pad part and protruding upward. The protruding portions are spaced apart from each other and disposed in a substantially zigzag shape.
    Type: Application
    Filed: December 27, 2023
    Publication date: July 4, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: HANBUM KWON, CHOLONG WON, YOUNGMIN AHN, SUN OH JEONG
  • Publication number: 20240147798
    Abstract: A display apparatus includes a substrate and pad terminals arranged on the substrate in a first direction in a pad area and including a first pad terminal disposed at outer side and an ith pad terminal disposed at inner side. Each of the pad terminals includes a lower conductive layer, convex portions, and an upper conductive layer. An overlapping area between the lower conductive layer of the first pad terminal and the convex portions is different from an overlapping area between the lower conductive layer of the ith pad terminal and the convex portions in a plan view.
    Type: Application
    Filed: September 12, 2023
    Publication date: May 2, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kikyung Youk, Hanbum Kwon, Cholong Won
  • Publication number: 20240122011
    Abstract: A display device includes a first conductive pattern layer connected to a signal line, a second conductive pattern layer connected to the first conductive pattern layer, and an insulation pattern layer disposed between the signal line and the second conductive pattern layer and overlapping the second conductive pattern layer. The second conductive pattern layer exposes a portion of an upper surface and a side surface of the insulation pattern layer. The second conductive pattern layer includes first and second edge portions disposed on the upper surface of the insulation pattern layer and facing each other in a second direction intersecting a first direction. A distance between the first and second edge portions decreases as moving along the first direction in a first region of the upper surface of the insulation pattern layer, and increases as moving along the first direction in a second region of the upper surface.
    Type: Application
    Filed: September 20, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: HEEJU WOO, CHOLONG WON, KIKYUNG YOUK, SEUNG-SOO RYU
  • Patent number: 11871630
    Abstract: A display device includes a base layer, a pixel disposed on the base layer, a signal line electrically connected to the pixel, a signal pad connected to the signal line, and a plurality of insulating layers disposed on the base layer. The signal pad includes a first conductive pattern connected to an end portion of the signal line, a second conductive pattern connected to the first conductive pattern, and at least one insulating pattern disposed between the end portion of the signal line and the second conductive pattern in a cross-sectional view and overlapping the second conductive pattern in a plan view.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kikyung Youk, Hanbum Kwon, Seung-Soo Ryu, Heeju Woo, Cholong Won, Daehyuk Im, Sun Oh Jeong