Patents by Inventor Joon-Gu Lee

Joon-Gu 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: 20240136359
    Abstract: Provided is a synaptic array structure. The synaptic array structure includes: an isolation insulating layer positioned in a predetermined area on a semiconductor substrate to isolate devices; TFT-type synaptic devices arranged in an array on an isolation insulating layer; and CMOS peripheral circuits provided on the semiconductor substrate. The TFT-type synaptic device includes: a source and a drain positioned on the isolation insulating layer; a semiconductor body positioned between the source and the drain; oxide layers positioned between the semiconductor body and the source/drain; a semiconductor layer for channel; a TFT gate insulating layer; and a TFT gate electrode. The present invention, based on CMOS integration technology, processes TFT-type synaptic devices and CMOS peripheral circuits together, thereby reducing the number of masks and fabrication steps used during the fabricating process.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 25, 2024
    Inventors: Jong-Ho LEE, Min Kyu PARK, Joon HWANG, Ryunhan GU, Won Mook KANG
  • Publication number: 20240121987
    Abstract: A display device includes a substrate; an auxiliary electrode including metal layers stacked in an undercut structure; and a light-emitting element layer. The light-emitting element layer includes a second common layer; and a common electrode which extend to the non-emission area. A side surface of the auxiliary electrode includes a first bonding portion in contact with the second common layer, and a second bonding portion in contact with the common electrode. The auxiliary electrode includes a first side and a second side facing each other in one direction, and a third side and a fourth side facing each other in other direction crossing the one direction. The first bonding portion has a first width at a first point of the first side and has a second width smaller than the first width at a second point of the third side.
    Type: Application
    Filed: June 30, 2023
    Publication date: April 11, 2024
    Inventors: Yeon Hwa LEE, Duck Jung LEE, Joon Gu LEE, Tae Wook KANG
  • Publication number: 20240107857
    Abstract: A display device includes a thin-film transistor, a source/drain electrode and an auxiliary electrode including a first conductive layer and a second conductive layer disposed on the first conductive layer, a via insulating layer having a first opening exposing the auxiliary electrode, a capping layer covering a portion of the auxiliary electrode and a light emitting material layer and a common electrode layer sequentially stacked on the via insulating layer and the capping layer, wherein the source/drain electrode is electrically connected to the thin-film transistor through a contact hole penetrating the interlayer insulating layer, the auxiliary electrode has an undercut, and the capping layer includes a first capping layer covering side surfaces of the first conductive layer of the auxiliary electrode and a second capping layer separated from the first capping layer and disposed on the second conductive layer of the auxiliary electrode.
    Type: Application
    Filed: June 20, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Joon Gu LEE, Hye Jin GWARK, Jae Ik KIM, Hwi KIM, Jung Sun PARK, Yeon Hwa LEE
  • Publication number: 20240099114
    Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.
    Type: Application
    Filed: November 24, 2023
    Publication date: March 21, 2024
    Inventors: Jae Sik KIM, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE, Kyu Hwan HWANG
  • Publication number: 20240075060
    Abstract: The present invention relates to an oral solid formulation for colon cleansing, wherein the oral solid formulation minimizes side effects, has excellent dosing convenience and medication compliance, enables a pharmaceutical effect to be exhibited quickly, and has excellent colon cleansing ability.
    Type: Application
    Filed: December 30, 2021
    Publication date: March 7, 2024
    Applicant: TAEJOON PHARMACEUTICAL CO., LTD.
    Inventors: Joon Youb LEE, Wan GU, Woo Young JANG, Young Un KIM, Yong Jun KIM
  • Patent number: 11877508
    Abstract: Provided are a fluorinated compound for patterning a metal or an electrode (cathode), an organic electronic element using the same, and an electronic device thereof, wherein a fine pattern of the electrode is formed by using the fluorinated compound as a material for patterning a metal or an electrode (cathode), without using a shadow mask, and it is possible to more easily apply UDC since it is easy to manufacture a transparent display having high light transmittance.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: January 16, 2024
    Assignees: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Won Kim, Kyung Hwan Oh, Bu Yong Yun, Hyung Dong Lee, Jin Woo Shin, Soung Yun Mun, Jae Duk Yoo, Jung Geun Lee, Joon Gu Lee, Yeon Hwa Lee, Mi Kyung Kim, Ji Hyun Seo, Kwan Hee Lee
  • Patent number: 11871643
    Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Sik Kim, Jae Ik Kim, Jung Sun Park, Seung Yong Song, Duck Jung Lee, Yeon Hwa Lee, Joon Gu Lee, Kyu Hwan Hwang
  • Patent number: 11856841
    Abstract: Provided are a fluorinated compound for patterning a metal or an electrode (cathode), an organic electronic element using the same, and an electronic device thereof, wherein a fine pattern of the electrode is formed by using the fluorinated compound as a material for patterning a metal or an electrode (cathode), without using a shadow mask, and it is possible to more easily apply UDC since it is easy to manufacture a transparent display having high light transmittance.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: December 26, 2023
    Assignees: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Won Kim, Kyung Hwan Oh, Bu Yong Yun, Hyung Dong Lee, Jin Woo Shin, Soung Yun Mun, Jae Duk Yoo, Jung Geun Lee, Joon Gu Lee, Yeon Hwa Lee, Mi Kyung Kim, Ji Hyun Seo, Kwan Hee Lee
  • Publication number: 20230200214
    Abstract: Provided are a fluorinated compound for patterning a metal or an electrode (cathode), an organic electronic element using the same, and an electronic device thereof, wherein a fine pattern of the electrode is formed by using the fluorinated compound as a material for patterning a metal or an electrode (cathode), without using a shadow mask, and it is possible to more easily apply UDC since it is easy to manufacture a transparent display having high light transmittance.
    Type: Application
    Filed: February 15, 2023
    Publication date: June 22, 2023
    Applicants: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Won KIM, Kyung Hwan OH, Bu Yong YUN, Hyung Dong LEE, Jin Woo SHIN, Soung Yun MUN, Jae Duk YOO, Jung Geun LEE, Joon Gu LEE, Yeon Hwa LEE, Mi Kyung KIM, Ji Hyun SEO, Kwan Hee LEE
  • Publication number: 20230189636
    Abstract: Provided are a fluorinated compound for patterning a metal or an electrode (cathode), an organic electronic element using the same, and an electronic device thereof, wherein a fine pattern of the electrode is formed by using the fluorinated compound as a material for patterning a metal or an electrode (cathode), without using a shadow mask, and it is possible to more easily apply UDC since it is easy to manufacture a transparent display having high light transmittance.
    Type: Application
    Filed: February 15, 2023
    Publication date: June 15, 2023
    Applicants: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Won KIM, Kyung Hwan OH, Bu Yong YUN, Hyung Dong LEE, Jin Woo SHIN, Soung Yun MUN, Jae Duk YOO, Jung Geun LEE, Joon Gu LEE, Yeon Hwa LEE, Mi Kyung KIM, Ji Hyun SEO, Kwan Hee LEE
  • Publication number: 20230126073
    Abstract: A display device and a manufacturing method of a display device are provided. A display device includes: a substrate; a semiconductor layer on the substrate; a source electrode and a drain electrode on the semiconductor layer; an auxiliary electrode on a same layer as the source electrode and the drain electrode; a first electrode electrically connected with the source electrode or the drain electrode; a light emitting element layer on the first electrode; and a second electrode on the light emitting element layer, and the auxiliary electrode includes at least one groove located inside the auxiliary electrode.
    Type: Application
    Filed: September 9, 2022
    Publication date: April 27, 2023
    Inventors: Joon Gu LEE, HYE JIN GWARK, ARONG KIM, Jae Ik KIM, JUNGSUN PARK, HEEMIN PARK, Yeon Hwa LEE, KYU H. HWANG
  • Patent number: 11610956
    Abstract: A display device includes a thin film transistor disposed on a base substrate, an insulation layer covering the thin film transistor, an organic light-emitting diode disposed on the insulation layer, a bus electrode and an organic fluoride pattern. The organic light-emitting diode includes a first electrode electrically connected to the thin film transistor, an organic light-emitting layer disposed on the first electrode, and a second electrode disposed on the organic light-emitting layer. The bus electrode is disposed on the second electrode. The organic fluoride pattern is disposed adjacent to the bus electrode.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Sik Kim, Ji Young Choung, Jae Ik Kim, Yeon Hwa Lee, Joon Gu Lee
  • Publication number: 20220052267
    Abstract: A method of manufacturing an organic light-emitting display apparatus includes forming a pixel electrode and a pixel-defining layer on a substrate, the pixel-defining layer covering edges of the pixel electrode sequentially forming a lift-off layer and a photoresist on the pixel electrode and the pixel-defining layer patterning the lift-off layer and the photoresist to define an opening that exposes a top surface of the pixel electrode and a portion of the pixel-defining layer sequentially forming an intermediate layer and an opposite electrode in the opening and on the photoresist, the intermediate layer including an emission layer forming a passivation layer to cover an entirety of a top surface and end portions of the opposite electrode and removing the lift-off layer and the photoresist that remain outside the opening.
    Type: Application
    Filed: May 23, 2019
    Publication date: February 17, 2022
    Inventors: Se Hoon Jeong, Sung Hun Key, Jae Sik Kim, Jae Ik Kim, Yeon Hwa Lee, Joon Gu Lee, Choel Min Jang, Eun Jung
  • Publication number: 20210376301
    Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.
    Type: Application
    Filed: March 10, 2021
    Publication date: December 2, 2021
    Inventors: Jae Sik KIM, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE, Kyu Hwan HWANG
  • Publication number: 20210118969
    Abstract: A display device includes a thin film transistor disposed on a base substrate, an insulation layer covering the thin film transistor, an organic light-emitting diode disposed on the insulation layer, a bus electrode and an organic fluoride pattern. The organic light-emitting diode includes a first electrode electrically connected to the thin film transistor, an organic light-emitting layer disposed on the first electrode, and a second electrode disposed on the organic light-emitting layer. The bus electrode is disposed on the second electrode. The organic fluoride pattern is disposed adjacent to the bus electrode.
    Type: Application
    Filed: October 13, 2020
    Publication date: April 22, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Sik KIM, Ji Young CHOUNG, Jae Ik KIM, Yeon Hwa LEE, Joon Gu LEE
  • Patent number: 10868088
    Abstract: A display device is provided. The display device includes a substrate including an active region in which a plurality of pixels are arranged; a first electrode layer disposed on the substrate and including a first electrode disposed in each pixel and an auxiliary electrode spaced apart from the first electrode and disposed along a boundary of each pixel; an intermediate layer disposed on the first electrode and including a light emitting layer; and a second electrode disposed on the intermediate layer, disposed in each pixel, and electrically connected to the auxiliary electrode; wherein a plurality of unit pixel groups, each including one or more pixels, are defined on the substrate, the respective second electrodes of the pixels belonging to each unit pixel group are electrically connected to each other by the auxiliary electrode, and the auxiliary electrodes belonging to different unit pixel groups are electrically separated from each other.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: December 15, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Lyong Bok, Joon Gu Lee, Ki Cheol Kim
  • Publication number: 20200266246
    Abstract: A display device is provided. The display device includes a substrate including an active region in which a plurality of pixels are arranged; a first electrode layer disposed on the substrate and including a first electrode disposed in each pixel and an auxiliary electrode spaced apart from the first electrode and disposed along a boundary of each pixel; an intermediate layer disposed on the first electrode and including a light emitting layer; and a second electrode disposed on the intermediate layer, disposed in each pixel, and electrically connected to the auxiliary electrode; wherein a plurality of unit pixel groups, each including one or more pixels, are defined on the substrate, the respective second electrodes of the pixels belonging to each unit pixel group are electrically connected to each other by the auxiliary electrode, and the auxiliary electrodes belonging to different unit pixel groups are electrically separated from each other.
    Type: Application
    Filed: January 13, 2020
    Publication date: August 20, 2020
    Inventors: SEUNG LYONG BOK, Joon Gu LEE, Ki Cheol KIM
  • Patent number: 10714559
    Abstract: According to an exemplary embodiment of the present disclosure, an organic light emitting element includes: a first electrode; a second electrode overlapping the first electrode; and an emission layer disposed between the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode includes a metal layer including a first material, an oxidation layer including a second material and disposed on two opposing surfaces of the metal layer, and a barrier layer disposed at a surface of the oxidation layer, and the second material has a smaller Gibbs free energy than that of the first material.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: July 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joon Gu Lee, Yeon Hwa Lee, Se Hoon Jeong, Ji Young Choung, Man Ho Kim, Jae Ik Kim, Jin Baek Choi
  • Patent number: 10158094
    Abstract: Disclosed is an organic light emitting diode, including a cathode electrode and an anode electrode positioned above the cathode electrode. An emitting layer is positioned between the cathode electrode and the anode electrode. An electron transporting unit is positioned between the cathode electrode and the emitting layer. The electron transporting unit is configured to inject and transport electrons to the emitting layer. A buffer layer is disposed between the cathode electrode and the electron transporting unit. The buffer layer includes an organic layer and a metallic layer disposed on the organic layer.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: December 18, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Gu Lee, Jae Sik Kim, Yeon Hwa Lee, Se Hoon Jeong
  • Patent number: 10038160
    Abstract: According to an exemplary embodiment of the present disclosure, an organic light emitting element includes: a first electrode; an organic emission layer disposed on the first electrode; and a second electrode disposed on the organic emission layer. The first electrode includes a first sub-electrode including a first metal, a second sub-electrode disposed on the first sub-electrode and including a transparent conductive material, and a barrier layer disposed on the second sub-electrode and including a second metal in the form of an oxide.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: July 31, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joon Gu Lee, Jae Ik Kim, Yeon Hwa Lee