Patents by Inventor Joo Yeol Lee

Joo Yeol Lee 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: 20240102921
    Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.
    Type: Application
    Filed: December 7, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Je Won YOO, Basrur VEIDHES, Dae Hyun KIM, Hyun Min CHO, Jong Won LEE, Joo Yeol LEE
  • Publication number: 20240097083
    Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Inventors: Hyun Deok IM, Jong Hyuk KANG, Dae Hyun KIM, Joo Yeol LEE, Hyun Min CHO
  • Publication number: 20240063359
    Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Inventors: Dae Hyun KIM, Hyun Min CHO, Hyun Deok IM, Jong Hyuk KANG, Keun Kyu SONG, Joo Yeol LEE, Bek Hyun LIM, SUNG-CHAN JO
  • Patent number: 11867612
    Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Je Won Yoo, Basrur Veidhes, Dae Hyun Kim, Hyun Min Cho, Jong Won Lee, Joo Yeol Lee
  • Patent number: 11842681
    Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: December 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Sung Chul Kim, Dae Hyun Kim, Hye Yong Chu, Jong Hyuk Kang, Keun Kyu Song, Joo Yeol Lee, Bek Hyun Lim, Hyun Deok Im
  • Patent number: 11830966
    Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: November 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Joo Yeol Lee, Hyun Min Cho
  • Patent number: 11811012
    Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: November 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Hyun Kim, Hyun Min Cho, Hyun Deok Im, Jong Hyuk Kang, Keun Kyu Song, Joo Yeol Lee, Bek Hyun Lim, Sung-Chan Jo
  • Publication number: 20230231000
    Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong Hyuk KANG, Hyun Min CHO, Dae Hyun KIM, Joo Yeol LEE, Hyun Deok IM
  • Publication number: 20230187474
    Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 15, 2023
    Inventors: Dae Hyun Kim, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Hyun Min Cho
  • Patent number: 11610934
    Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Hyuk Kang, Hyun Min Cho, Dae Hyun Kim, Joo Yeol Lee, Hyun Deok Im
  • Patent number: 11581363
    Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: February 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Hyun Kim, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Hyun Min Cho
  • Publication number: 20220328742
    Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 13, 2022
    Inventors: Dae Hyun KIM, Hyun Min CHO, Hyun Deok IM, Jong Hyuk KANG, Keun Kyu SONG, Joo Yeol LEE, Bek Hyun LIM, SUNG-CHAN JO
  • Patent number: 11367823
    Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element including a first end portion and a second end portion in a length direction thereof; first and second banks on the substrate; a first electrode on the first bank and a second electrode on the second bank; a first contact electrode on the first electrode; a second contact electrode on the second electrode; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second electrodes when viewed on a plane.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: June 21, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Hyun Kim, Hyun Min Cho, Hyun Deok Im, Jong Hyuk Kang, Keun Kyu Song, Joo Yeol Lee, Bek Hyun Lim, Sung-Chan Jo
  • Publication number: 20220059275
    Abstract: A planar transformer employing an insulating structure for performance improvement includes: a pair of ferrite cores (110) including an upper core (110-1) and a lower core (110-2); a printed circuit board (120), which is disposed between the pair of ferrite cores (110), one end of which has primary via holes (121) electrically connecting primary coil patterns, and the other end of which has secondary via holes (123) electrically connecting secondary coil patterns; an insulating block (130-1) for receiving one side of the pair of ferrite cores (110); and an insulating base (130-2) disposed in the pair of ferrite cores (110) and fittedly coupled to the insulating block (130-1), wherein the insulating block (130-1) and the insulating base (130-2) receive a given region of the printed circuit board (120) at one side at which the secondary via holes (123) is disposed.
    Type: Application
    Filed: September 27, 2019
    Publication date: February 24, 2022
    Inventor: Joo Yeol LEE
  • Publication number: 20220045244
    Abstract: A light emitting device may include a first semiconductor layer; an active layer disposed on the first semiconductor layer; a second semiconductor layer disposed on the active layer; an electrode layer disposed on the second semiconductor layer; a protective layer disposed on the electrode layer; and an insulating film enclosing outer circumferential surfaces of at least the first semiconductor layer, the active layer, the second semiconductor layer, and the electrode layer, and exposing a surface of the first semiconductor layer and a surface of the protective layer.
    Type: Application
    Filed: April 27, 2021
    Publication date: February 10, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Je Won YOO, Se Young KIM, Joo Yeol LEE
  • Publication number: 20210396654
    Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.
    Type: Application
    Filed: March 18, 2021
    Publication date: December 23, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Je Won YOO, Basrur VEIDHES, Dae Hyun KIM, Hyun Min CHO, Jong Won LEE, Joo Yeol LEE
  • Patent number: 11190915
    Abstract: The present disclosure relates to a 5G or pre-5G communication system to be provided for supporting a higher data transmission rate than a 4G communication system such as LTE. An embodiment of the present disclosure relates to a method in which a plurality of devices use a service linked to a first device, the method comprising the steps of: performing a connection to a central display device, and mirroring the service to the central display device on the basis of a playlist of services stored in the first device; receiving, from a second device, a change request for the playlist, and updating the playlist to correspond to the change request; and transmitting information related to the updated playlist to the central display device.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: November 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se-Hee Han, Jong-Hyo Lee, Joo-Yeol Lee
  • Publication number: 20210366978
    Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
    Type: Application
    Filed: August 6, 2021
    Publication date: November 25, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong Hyuk KANG, Hyun Min CHO, Dae Hyun KIM, Joo Yeol LEE, Hyun Deok IM
  • Publication number: 20210350746
    Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.
    Type: Application
    Filed: July 23, 2021
    Publication date: November 11, 2021
    Inventors: Hyun Min CHO, Sung Chul KIM, Dae Hyun KIM, Hye Yong CHU, Jong Hyuk KANG, Keun Kyu SONG, Joo Yeol LEE, Bek Hyun LIM, Hyun Deok IM
  • Patent number: 11169408
    Abstract: A display device panel includes a display area including pixels and a non-display area. Each pixel is connected to one of gate lines and one of data lines. The non-display area includes data pad sections. The non-display area further includes a depiction of a first information code and a depiction of a second information code. The depiction of the first information code is disposed between first two adjacent data pad sections and is apart from an outline of the non-display area by a first distance. The depiction of the second information code is disposed between second two adjacent data pad sections and is apart from the outline of the non-display area by a second distance different from the first distance.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: November 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang Young Lee, Sang Hyun Kang, Dae Hyun Kim, Seung Hwan Kim, Joo Yeol Lee, Jang Bog Ju