Patents by Inventor Dong-Uk Kim

Dong-Uk Kim 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: 12046625
    Abstract: Provided are a light-emitting element, a manufacturing method thereof, and a display device comprising the light-emitting element. The method for manufacturing the light-emitting element comprises the steps of: preparing a lower substrate including a substrate and a buffer material layer formed on the substrate, forming a separating layer disposed on the lower substrate and including at least one graphene layer, forming an element deposition structure by depositing a first conductivity type semiconductor layer, an active material layer, and a second conductivity type semiconductor layer on the separating layer, forming an element rod by etching the element deposition structure and the separating layer in a vertical direction; and separating the element rod from the lower substrate to form a light emitting element.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: July 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hong Min, Dae Hyun Kim, Hyun Min Cho, Dong Uk Kim, Dong Eon Lee, Seung A Lee, Hyung Rae Cha
  • Publication number: 20240222554
    Abstract: A light emitting element includes a first semiconductor layer, a second semiconductor layer, an active layer between the first semiconductor layer and the second semiconductor layer, and a first insulating layer surrounding the first semiconductor layer, the second semiconductor layer, and the active layer, and a first thickness of the first insulating layer surrounding the first semiconductor layer is different from a second thickness of the first insulating layer surrounding the second semiconductor layer.
    Type: Application
    Filed: November 22, 2023
    Publication date: July 4, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyung Rae CHA, Hoo Keun PARK, Dong Uk KIM
  • Publication number: 20240170614
    Abstract: A light-emitting element comprises a first semiconductor layer, an active layer provided on the first semiconductor layer, a second semiconductor layer provided on the active layer, an electrode layer provided on the second semiconductor layer, and an insulating film around outer peripheral surfaces of the first semiconductor layer, the active layer, the second semiconductor layer, and the electrode layer, wherein the active layer includes a cover layer including a plurality of quantum dots, and the first semiconductor layer, the active layer, the second semiconductor layer, and the electrode layer are sequentially stacked in one direction to form a shape of a rod.
    Type: Application
    Filed: August 31, 2023
    Publication date: May 23, 2024
    Inventors: Mi Hyang SHEEN, Dong Uk KIM, Kwan Jae LEE, Bo Hwa KIM, Dong Youn YOO, Hyeong Su CHOI
  • Publication number: 20240162492
    Abstract: Disclosed are an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. The electrolyte solution includes a lithium salt, a solvent, and a functional additive. The functional additive includes benzo[d]thiazol-6-yl(fluorosulfonyl)sulfamoyl fluoride.
    Type: Application
    Filed: July 27, 2023
    Publication date: May 16, 2024
    Inventors: Hui Beom Nam, Jun Ki Rhee, Ko Eun Kim, Sung Ho Ban, Yoon Sung Lee, Dong Uk Kim, Seung Min Lee, Min Pyeong Kim, Hyeong Jun Kim, Sang Kyu Kwak, Sung You Hong
  • Publication number: 20240162493
    Abstract: The present disclosure relates to an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes a first electrode film additive, which is 3-(4-cyano-5-(4-nitrophenyl)-1H-1,2,3-triazol-1-yl)propyl 4-methylbenzenesulfonate.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 16, 2024
    Inventors: Ko Eun Kim, Hui Beom Nam, Sung Ho Ban, Yoon Sung Lee, Seung Min Oh, Jun Ki Rhee, Dong Uk Kim, Seung Min Lee, Hyeong Jun Kim, Sung You Hong, Seo Young Jeong, Sang Kyu Kwak
  • Publication number: 20240162491
    Abstract: Disclosed are an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, and in particular, the functional additive includes (4-(1H-1,2,4-triazol-1-yl)phenyl)(fluorosulfonyl)sulfamoyl fluoride.
    Type: Application
    Filed: July 27, 2023
    Publication date: May 16, 2024
    Inventors: Hui Beom Nam, Jun Ki Rhee, Ko Eun Kim, Sung Ho Ban, Yoon Sung Lee, Dong Uk Kim, Seung Min Lee, Min Pyeong Kim, Hyeong Jun Kim, Sang Kyu Kwak, Sung You Hong
  • Publication number: 20240162495
    Abstract: The present disclosure relates to an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes a positive-electrode film additive, which is 3-(4-cyano-5-(4-nitrophenyl)-1H-1,2,3-triazol-1-yl)propyl methanesulfonate.
    Type: Application
    Filed: October 26, 2023
    Publication date: May 16, 2024
    Inventors: Ko Eun Kim, Hui Beom Nam, Sung Ho Ban, Yoon Sung Lee, Seung Min Oh, Jun Ki Rhee, Dong Uk Kim, Seung Min Lee, Hyeong Jun Kim, Sung You Hong, Seo Young Jeong, Sang Kyu Kwak
  • Patent number: 11984470
    Abstract: A light-emitting diode includes a first semiconductor region having a first conductive type; a second semiconductor region having a second conductive type; and an active layer disposed between the first semiconductor region and the second semiconductor region and including phosphorus (P). The light-emitting diode has a rod shape, the second semiconductor region includes a first semiconductor layer, a second semiconductor layer, and a third semiconductor layer, which are sequentially stacked, the first semiconductor layer is disposed between the active layer and the second semiconductor layer, and the second semiconductor layer includes a compound represented by AlGaInP and satisfying Equation 1.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keun Kyu Song, Jung Hong Min, Dae Hyun Kim, Dong Uk Kim, Hyun Min Cho
  • Patent number: 11973066
    Abstract: A light-emitting element includes a first end portion and a second end portion disposed in a length direction of the light-emitting element, a first electrode corresponding to the first end portion, a first semiconductor layer on the first electrode, an active layer on the first semiconductor layer, a second semiconductor layer on the active layer, and a second electrode on the second semiconductor layer and corresponding to the second end portion. The second electrode includes a first layer on the first semiconductor layer, and a second layer on the first layer. The first semiconductor layer includes a p-type semiconductor layer doped with a p-type dopant. The second semiconductor layer includes an n-type semiconductor layer doped with an n-type dopant. The first electrode is in ohmic contact with the first semiconductor layer. The second electrode is in ohmic contact with the second semiconductor layer.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: April 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Rae Cha, Dong Uk Kim, Sung Ae Jang, Ji Hyun Ham
  • Patent number: 11949045
    Abstract: Provided are a light-emitting diode structure and a light-emitting diode manufacturing method. The light-emitting diode manufacturing method comprises the operations of: preparing a lower substrate, which includes a substrate and a separation layer formed on the substrate, and preparing at least one semiconductor rod, which is formed on the separation layer, forming a rod structure, which includes a rod protecting layer formed on the separation layer to surround the at least one semiconductor rod and an auxiliary layer formed on at least part of the rod protecting layer and separating the rod structure from the lower substrate by removing the separation layer, and separating the at least one semiconductor rod from the rod structure.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: April 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Jung Hong Min, Dae Hyun Kim, Dong Uk Kim, Jae Hoon Jung
  • Patent number: 11942567
    Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: March 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hong Min, Dae Hyun Kim, Hyun Min Cho, Jong Hyuk Kang, Dong Uk Kim, Seung A Lee, Hyun Deok Im, Hyung Rae Cha
  • Patent number: 11935986
    Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels in the display area, and each including sub-pixels. Each sub-pixel may include a pixel circuit layer, and a display element layer including at least one light emitting element. The display element layer may include: a first electrode on the pixel circuit layer; a second electrode on the first electrode and electrically insulated from the first electrode; the light emitting element including a first end portion coupled to the first electrode and a second end portion coupled to the second electrode, and between the first electrode and the second electrode; an intermediate layer enclosing at least one area of the light emitting element, and on the first electrode; a connection line electrically connected to the second electrode. The second electrode may be on the intermediate layer.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Uk Kim, Jin Oh Kwag, Keun Kyu Song, Sung-Chan Jo, Hyun Min Cho
  • Publication number: 20240081124
    Abstract: A display device includes a via insulating layer on a substrate; a first electrode on the via insulating layer; a pixel defining layer including an inclined region on the first electrode and including a first opening exposing a portion of the first electrode, and a flat region at a side of the inclined region and in contact with the via insulating layer; a light emitting layer on the portion of the first electrode exposed by the first opening; organic particles on the flat region of the pixel defining layer; an encapsulation layer covering the pixel defining layer, the light emitting layer, and the organic particles, and including a first layer, a second layer, and a third layer; and a first light blocking layer on the third layer of the encapsulation layer to overlap the flat region of the pixel defining layer and form a second opening.
    Type: Application
    Filed: May 8, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Ho KIM, Dong Uk KIM, Hyoeng Ki KIM, Hyeon Bum LEE, Hoon Gi LEE, Chaun Gi CHOI
  • Patent number: 11908987
    Abstract: A display device includes a substrate and a display element layer disposed on the substrate and emitting light. The display element layer includes a first electrode electrically connected to a portion of a first light emitting element, a second electrode electrically connected to another portion of the first light emitting element, and at least one insulating structure disposed on the substrate and having a convex shape protruding from the substrate. The first light emitting element is disposed in a space of the at least one insulating structure. A method of manufacturing the display device is also disclosed.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang Soo Bae, Dong Uk Kim, Beom Soo Park, Min Jeong Oh, Young Je Cho
  • Publication number: 20240038738
    Abstract: Provided are a light emitting device, a method for manufacturing same, and a display device including the light emitting device.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 1, 2024
    Inventors: Hyun Min CHO, Dae Hyun KIM, Dong Uk KIM, Jung Hong MIN, Seung A LEE, Hyung Rae CHA
  • Publication number: 20240032380
    Abstract: A display device includes a substrate, a first planarization layer disposed on a surface of the substrate, a second planarization layer disposed on a surface of the first planarization layer, a light-emitting element including a pixel electrode disposed on the surface of the second planarization layer, an emissive layer disposed on a surface of the pixel electrode, and a common electrode disposed on a surface of the emissive layer, a connection electrode disposed on the surface of the first planarization layer and electrically connecting the surface of the first planarization layer with an opposite surface of the first planarization layer through a first contact hole, and a light-absorbing layer disposed on the surface of the first planarization layer and covered by the second planarization layer.
    Type: Application
    Filed: March 10, 2023
    Publication date: January 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Ho KIM, Dong Uk KIM, Hoon Gi LEE
  • Publication number: 20240019421
    Abstract: The colorimetric bio sensor includes: an upper housing including a blood cell separation module separating blood plasma from blood injected from the outside and spreads the separated blood plasma and a specimen delivery hole being located on the lower end of the blood cell separation module and formed to penetrate the upper housing, so that the lower end of the blood cell separation module is exposed to the outside; and a lower housing including a membrane containing a colorimetric reaction substance causing a colorimetric reaction with a target substance in the blood plasma by being in contact with the blood cell separation module through the specimen delivery hole, and a protrusion being located on the lower end of the membrane and protruding to a height corresponding to the depth of the specimen delivery hole.
    Type: Application
    Filed: June 9, 2023
    Publication date: January 18, 2024
    Applicant: QSTAG CO., LTD.
    Inventors: Jun Hyuck JANG, Dong Uk KIM, Eung Kyu PARK, Dong Hoon LEE
  • Publication number: 20230377744
    Abstract: The disclosed computer-implemented method may include establishing a virtual boundary for a virtual-world environment in reference to a real-world environment, and determining whether the virtual boundary requires a correction. The method may include providing, in response to determining that the virtual boundary requires the correction, and alert and, in response to the alert, receiving a request from a user to modify the virtual boundary. The method may further include monitoring, in response to the request from the user, an orientation of a direction indicator to generate orientation data, and modifying the virtual boundary based on the orientation data. Various other methods, systems, and computer-readable media are also disclosed.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: John Pollard, Jimmy K. Yun, Jason Dong Uk Kim
  • Publication number: 20230369542
    Abstract: A light-emitting device includes a light-emitting device core including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an element active layer disposed between the first semiconductor layer and the second semiconductor layer; a first insulating layer disposed on the side surface of the light-emitting device core to surround the side surface of the light-emitting device core, and having first fixed charges; and a second insulating layer surrounding the outer side surface of the first insulating layer, and including a material having second fixed charges different from the first fixed charges.
    Type: Application
    Filed: December 16, 2020
    Publication date: November 16, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Min CHO, Dong Uk KIM, Se Young KIM, Seung Geun LEE, Seung A LEE, Yo Han LEE, Sung Ae JANG, Hyung Rae CHA, Ji Hyun HAM
  • Patent number: 11810905
    Abstract: Provided are a light emitting device, a method for manufacturing same, and a display device including the light emitting device.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: November 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Dae Hyun Kim, Dong Uk Kim, Jung Hong Min, Seung A Lee, Hyung Rae Cha