Patents by Inventor Jung-Hyun Ahn

Jung-Hyun 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).

  • Patent number: 12261246
    Abstract: A display device comprises a first electrode and a second electrode on a substrate, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first insulating layer each having a first end on the first electrode and a second end on the second electrode, a first connection electrode disposed on the first electrode and electrically contacting the first end of each of the light emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the second end of each of the light emitting elements, a second insulating layer on the light emitting elements, the first connection electrode and the second connection electrode, and a third connection electrode disposed on the second insulating layer and electrically contacting the light emitting elements through an opening formed in the second insulating layer that partially exposes the light emitting elements.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: March 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Deok Im, Jong Hyuk Kang, Jung Hyun Ahn, Won Ho Lee, Hae Yun Choi
  • Patent number: 12261160
    Abstract: A display device includes first banks extending in a first direction and that are spaced apart from each other in a second direction intersecting the first direction, a first electrode extending in the first direction and including a first part disposed between the first banks, a second electrode extending in the first direction and including a second part spaced apart from the first part in the second direction and disposed between the first banks, a first dummy pattern disposed on one of the first banks and spaced apart from the first part, a second dummy pattern disposed on another one of the first banks and spaced apart from the second part, and light-emitting elements disposed between the first banks, the light-emitting elements having at least one end portion disposed on one of the first part of the first electrode and the second part of the second electrode.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: March 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hoon Park, Jung Hyun Ahn, Hyun Deok Im
  • Publication number: 20250054668
    Abstract: A magnet assembly includes a yoke plate disposed on a plane, and a magnetic field generator which is disposed on the yoke plate and includes magnet parts including magnet units, magnetic bodies, and non-magnetic bodies. The magnetic bodies overlap the magnet parts in a plan view. The non-magnetic bodies overlap an area between the magnet units in a plan view. The magnet assembly operates in one of a first mode and a second mode. The magnetic field generator generates a magnetic field below the magnetic bodies and the non-magnetic bodies in the first mode and does not substantially generate the magnetic field below the magnetic bodies and the non-magnetic bodies in the second mode.
    Type: Application
    Filed: May 16, 2024
    Publication date: February 13, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Jung Hyun AHN, Jae Suk MOON, Seung Jin LEE
  • Patent number: 12113047
    Abstract: An ink leveling device includes a stage on which a target substrate is disposed, base frames disposed at sides of the stage, moving members coupled to the base frames and movable upward and downward, and at least one plate coupled to the moving members and disposed to press the target substrate. Light-emitting element ink is disposed on the target substrate.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: October 8, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Hyun Ahn, Buem Joon Kim, Won Ho Lee, Hyun Deok Im
  • Publication number: 20240093347
    Abstract: An embodiment provides a deposition device including a magnet part that includes magnets; and a substrate support that faces the magnet part and that supports a substrate, the substrate support includes a support plate and patterns formed on a first surface of the support plate, and each of the patterns corresponds to a space between neighboring magnets among the magnets or corresponds to the magnets.
    Type: Application
    Filed: September 18, 2023
    Publication date: March 21, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jung Hyun AHN, JAESUK MOON, Seung Jin LEE
  • Publication number: 20240038826
    Abstract: A display device includes a first pixel electrode disposed on a base layer, a first insulating layer disposed on the first pixel electrode and including an opening exposing the first pixel electrode, a first electrode and a second electrode disposed on the first insulating layer and spaced apart from each other with the opening disposed between the first electrode and the second electrode, a light emitting element disposed in the opening and including a first end portion electrically contacting the first pixel electrode and a second end portion, a second insulating layer covering the first insulating layer, the first electrode, and the second electrode and exposing the second end portion of the light emitting element, and a second pixel electrode disposed on the second insulating layer and electrically contacting the second end portion of the light emitting element.
    Type: Application
    Filed: May 10, 2023
    Publication date: February 1, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Kyu LEE, Jung Hyun AHN
  • Publication number: 20240026519
    Abstract: A deposition device includes a magnet portion including a plurality of magnets, and a substrate support that supports a substrate and faces the magnet portion. The substrate support includes a plurality of holes, and each of the plurality of holes is disposed on the substrate support corresponding to a space between corresponding adjacent ones of the plurality of magnets.
    Type: Application
    Filed: May 3, 2023
    Publication date: January 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jung Hyun AHN, JAESUK MOON, Seung Jin LEE
  • Patent number: 11882018
    Abstract: An apparatus for analyzing a network according to an embodiment includes a receiving module configured to receive, from a cloud service, information on one or more resources included in the cloud service and information on a network environment of the one or more resources, a topology generation module configured to derive a network topology of the cloud service by using the information on the resources and the information on the network environment, and an analysis module configured to derive, from the network topology, a communication possible path of each of the one or more resources and one or more communication allow policies in the communication possible path.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Jung Do Cha, Jung Hyun Ahn, Hyeong Jin Lee
  • Patent number: 11598994
    Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: March 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sae Ron Park, Jung Hyun Ahn
  • Publication number: 20230030918
    Abstract: A display device includes a first pixel, a second pixel, and a third pixel each of which includes a first electrode on a substrate, a first sub-light emitting portion on the first electrode, a first charge generation layer on the first sub-light emitting portion, a second sub-light emitting portion on the first charge generation layer, and a second electrode on the second sub-light emitting portion. The second sub-light emitting portion includes a hole transport layer on the first charge generation layer and an emission layer on the hole transport layer. The hole transport layer of the first pixel is on the first charge generation layer of the first pixel and completely covers the first charge generation layer of the first pixel. A part of an edge of the hole transport layer of the first pixel overlaps the first charge generation layer of the second pixel.
    Type: Application
    Filed: February 1, 2022
    Publication date: February 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Shin LEE, Min Young KIM, Yong Hwan KIM, Jung Hyun AHN, Seung Jin LEE
  • Publication number: 20220352242
    Abstract: A display device includes a first electrode and a second electrode spaced apart from and parallel to each other and disposed on a substrate, each of the first electrode and the second electrode extends in a direction, a first insulating layer disposed on the first electrode and the second electrode, a light-emitting element disposed on the first insulating layer and having opposing ends respectively disposed on the first electrode and the second electrode, a first connection electrode electrically contacting an end of the light-emitting element, a second connection electrode electrically contacting an opposite end of the light-emitting element, and insulating patterns respectively disposed on and contacting the first connection electrode and the second connection electrode, the insulating patterns are spaced apart from the light-emitting element and the first insulating layer.
    Type: Application
    Filed: January 4, 2022
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Hoon PARK, Cheol Ku KANG, Jung Hyun AHN
  • Publication number: 20220344314
    Abstract: A display device includes first banks extending in a first direction and that are spaced apart from each other in a second direction intersecting the first direction, a first electrode extending in the first direction and including a first part disposed between the first banks, a second electrode extending in the first direction and including a second part spaced apart from the first part in the second direction and disposed between the first banks, a first dummy pattern disposed on one of the first banks and spaced apart from the first part, a second dummy pattern disposed on another one of the first banks and spaced apart from the second part, and light-emitting elements disposed between the first banks, the light-emitting elements having at least one end portion disposed on one of the first part of the first electrode and the second part of the second electrode.
    Type: Application
    Filed: March 28, 2022
    Publication date: October 27, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Hoon PARK, Jung Hyun AHN, Hyun Deok IM
  • Publication number: 20220262867
    Abstract: A display device includes a first electrode and a second electrode spaced apart from each other and disposed on a substrate; a first sub-bank disposed on the first electrode and exposing an end of the first electrode facing the second electrode; a second sub-bank disposed on the second electrode and exposing an end of the second electrode facing the first electrode; a step pattern disposed on the second electrode and overlapping at least the end of the second electrode; and a light-emitting element disposed between the first sub-bank and the second sub-bank.
    Type: Application
    Filed: December 30, 2021
    Publication date: August 18, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jung Hyun AHN, Cheol Ku KANG, Ki Hoon PARK, Hyun Deok IM
  • Publication number: 20220223562
    Abstract: An ink leveling device includes a stage on which a target substrate is disposed, base frames disposed at sides of the stage, moving members coupled to the base frames and movable upward and downward, and at least one plate coupled to the moving members and disposed to press the target substrate. Light-emitting element ink is disposed on the target substrate.
    Type: Application
    Filed: December 8, 2021
    Publication date: July 14, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jung Hyun AHN, Buem Joon KIM, Won Ho LEE, Hyun Deok IM
  • Publication number: 20220187648
    Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Inventors: Sae Ron PARK, Jung-Hyun AHN
  • Publication number: 20220141122
    Abstract: An apparatus for analyzing a network according to an embodiment includes a receiving module configured to receive, from a cloud service, information on one or more resources included in the cloud service and information on a network environment of the one or more resources, a topology generation module configured to derive a network topology of the cloud service by using the information on the resources and the information on the network environment, and an analysis module configured to derive, from the network topology, a communication possible path of each of the one or more resources and one or more communication allow policies in the communication possible path.
    Type: Application
    Filed: October 29, 2021
    Publication date: May 5, 2022
    Inventors: Jung Do CHA, Jung Hyun AHN, Hyeong Jin LEE
  • Publication number: 20220131047
    Abstract: A display device comprises a first electrode and a second electrode on a substrate, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first insulating layer each having a first end on the first electrode and a second end on the second electrode, a first connection electrode disposed on the first electrode and electrically contacting the first end of each of the light emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the second end of each of the light emitting elements, a second insulating layer on the light emitting elements, the first connection electrode and the second connection electrode, and a third connection electrode disposed on the second insulating layer and electrically contacting the light emitting elements through an opening formed in the second insulating layer that partially exposes the light emitting elements.
    Type: Application
    Filed: October 5, 2021
    Publication date: April 28, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Deok IM, Jong Hyuk KANG, Jung Hyun AHN, Won Ho LEE, Hae Yun CHOI
  • Patent number: 11269223
    Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: March 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sae Ron Park, Jung Hyun Ahn
  • Publication number: 20210124201
    Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.
    Type: Application
    Filed: January 4, 2021
    Publication date: April 29, 2021
    Inventors: Sae Ron Park, Jung Hyun Ahn
  • Patent number: D984494
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: April 25, 2023
    Assignee: Hongik University Industry-Academia Cooperation Foundation
    Inventors: Eun Young Kim, Seung Yeon Lee, Doo Young Yang, Su Yeon Hwang, Jung Hyun Ahn