Patents by Inventor Dong-Ki Lee

Dong-Ki 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).

  • Patent number: 12295220
    Abstract: A display device includes a substrate, a transistor, an interlayer insulating layer, a first conductive line, a pixel electrode, a passivation layer, a common electrode, and a light emitting element layer. The transistor overlaps the substrate. The interlayer insulating layer overlaps the transistor and includes a first groove. The first conductive line is electrically connected to the transistor and is at least partially disposed inside the first groove. The pixel electrode is electrically connected to the transistor and overlaps the first conductive line. The passivation layer is disposed between the pixel electrode and the first conductive line and directly contacts at least one of the pixel electrode and the first conductive line. The common electrode overlaps the pixel electrode. The light emitting element layer is disposed between the common electrode and the pixel electrode.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: May 6, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Hee Lee, Nak Cho Choi, Min Yeul Ryu, Dong Ki Lee, Choong Youl Im, Beohm Rock Choi
  • Publication number: 20250136445
    Abstract: The present invention relates to hydrogen peroxide manufacturing process and manufacturing system based on a photochemical reaction. Specifically, the present invention relates to a series of hydrogen peroxide manufacturing processes of generating, extracting, and purifying hydrogen peroxide through a photochemical reaction, and a hydrogen peroxide manufacturing system which is applied with the manufacturing processes and consists of a photoreactor-extractor-purifier.
    Type: Application
    Filed: January 30, 2024
    Publication date: May 1, 2025
    Inventors: Jee Hye BYUN, Dong Ki LEE, Chanhee BOO
  • Publication number: 20250129489
    Abstract: Proposed are a flow-through reactor for conversion of carbon dioxide and a method for conversion of carbon dioxide using the flow-through reactor. Carbon dioxide and a catholyte are separately supplied, and a reference electrode having a large volume is capable of being mounted on an electrolyte pocket without increasing resistance since a structure of the electrolyte pocket is improved.
    Type: Application
    Filed: January 18, 2024
    Publication date: April 24, 2025
    Inventors: Da-Hye WON, Hyung-Suk OH, Ung LEE, Woong-Hee LEE, Dong-Ki LEE, Jai-Hyun KOH, Byoung-Koun MIN, Chan-Sol KIM, Dong-Jin KIM
  • Publication number: 20250120817
    Abstract: Disclosed is an artificial hip joint device. This artificial hip joint comprises a head and a liner, wherein at least one among the head and the liner is made of a composite containing zirconia as a first phase and alumina as a second phase, and the content of the first phase and the content of the second phase may be in the range of 50-75 wt % and 25-50 wt %, respectively.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 17, 2025
    Inventors: Boo Rak LEE, Dong Ki LEE
  • Publication number: 20250092540
    Abstract: A catalyst electrode for production of 2,5-furandicarboxylic acid according to an embodiment of the present invention includes: a first metal substrate; and a second metal hydroxide coating layer located on a surface of the first metal substrate, wherein the first metal substrate includes one or more micro-sized first metal particles on the surface thereof, and the second metal hydroxide coating layer may be located on a surface of the first metal particles.
    Type: Application
    Filed: January 16, 2024
    Publication date: March 20, 2025
    Inventors: Dong Ki LEE, Ung LEE, Hyung-Suk OH, Byoung Koun MIN, Dahye WON, Jai Hyun KOH, Woong Hee LEE, Jongin WOO, Byeong Cheul MOON
  • Publication number: 20240417252
    Abstract: The present invention relates to an organic working solution for photochemical hydrogen peroxide production, and a method for producing hydrogen peroxide by photo-autoxidation utilizing the organic working solution. Specifically, the present invention relates to a method for producing hydrogen peroxide from an organic working solution in which oxidation of an aromatic alcohol and reduction of oxygen occur through photo-autoxidation of an aromatic carbonyl compound contained in the organic working solution, and the reduced oxygen.
    Type: Application
    Filed: August 22, 2023
    Publication date: December 19, 2024
    Inventors: Jee Hye BYUN, Dong Ki LEE
  • Publication number: 20240375955
    Abstract: The present invention relates to a method and process for preparing hydrogen peroxide, and more particularly, to a photochemical hydrogen peroxide preparation process performed by combining photoautoxidation and photocatalytic reactions in an organic reaction solution to which a catalytic amount of water is added using solar light as a main energy source.
    Type: Application
    Filed: August 22, 2023
    Publication date: November 14, 2024
    Inventors: Jee Hye BYUN, Dong Ki LEE, Byeong Cheul MOON, Bayarkhuu BOLORMAA
  • Publication number: 20240368101
    Abstract: Exemplary embodiments of the present invention may provide a continuous production system for 2,5-furandicarboxylic acid (FDCA), the continuous production system including: raw material supply units supplying an aqueous 5-hydroxymethylfurfural (HMF) solution and a basic aqueous solution, respectively; a micro-mixing unit mixing the aqueous HMF solution and the basic aqueous solution supplied from the raw material supply units, respectively, to form a raw material mixture; an electrochemical reaction unit synthesizing FDCA while passing the raw material mixture introduced from the micro-mixing unit in a single pass; and a product storage unit storing a product discharged from the electrochemical reaction unit.
    Type: Application
    Filed: October 13, 2023
    Publication date: November 7, 2024
    Inventors: Dong Ki LEE, Byeong Cheul Moon, Jai Hyun Koh, Woong Hee Lee, Dahye Won, Ung Lee, Hyung-Suk Oh, Byoung Koun Min
  • Patent number: 12114527
    Abstract: A display device includes a substrate, a first insulating layer on the substrate and including a flat upper surface, a first conductive layer on the substrate, the first conductive layer including first to third light blocking patterns separated from one another, a second insulating layer on the first conductive layer, and pixel electrodes on the second insulating layer. The pixel electrodes includes a first pixel electrode in a first color pixel and in the first light blocking pattern in a first direction in a plan view, and a second pixel electrode in a second color pixel and covering the second and third light blocking patterns in the first direction, the second insulating layer includes first and second areas respectively overlapping the first and second pixel electrodes, and each of the upper surfaces of the first and second areas includes a curved surface with a concave central portion.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: October 8, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min Yeul Ryu, Dong Ki Lee, Jun Hee Lee, Choong Youl Im, Beohm Rock Choi, Nak Cho Choi
  • Publication number: 20240142456
    Abstract: The present invention relates to a composition, a kit, and a method of providing information for diagnosis, which are capable of diagnosing pancreatic cancer and capable of diagnosing pancreatic cancer by distinguishing it from other pancreatic diseases or other cancer types.
    Type: Application
    Filed: March 8, 2022
    Publication date: May 2, 2024
    Applicant: ACURASYSBIO CO., LTD.
    Inventors: Hyung-Keun LEE, Dong-ki LEE, So-Young KIM, Sung-lll JANG
  • Patent number: 11961671
    Abstract: An embodiment of the present disclosure provides a MIM capacitor by High-k dielectric and method for fabricating the same to prevent formation of oxygen-based interface films between a lower electrode and a dielectric layer, and between an upper electrode and a dielectric layer by stacking a first film formed of metal between the dielectric layer formed of a High-k material having a high dielectric constant and the lower electrode formed of metal, and a second film formed of metal between the dielectric layer and the upper electrode.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: April 16, 2024
    Assignee: Elohim Incorporation
    Inventors: Seunggu Lim, Jihoon Cha, Dong-Ki Lee, Taedong Kim, Yeonglyeol Park
  • Publication number: 20240093388
    Abstract: Proposed is a CO2-reduction membrane electrode assembly (MEA), which is a novel MEA capable of changing a reaction condition to an alkaline condition from a problematic acidic condition unfavorable to reactions on a cathode side during catalytic reactions using a cation exchange membrane (CEM) as a separator. In addition, the MEA can reduce a hydrogen evolution reaction (HER), which is a side reaction. In addition, a method of manufacturing the MEA, and a CO2-reduction assembly including the MEA are also proposed.
    Type: Application
    Filed: January 31, 2023
    Publication date: March 21, 2024
    Inventors: Hyung-Suk OH, Woong Hee LEE, Ung LEE, Jai Hyun KOH, Dong Ki LEE, Dahye WON, Byoung Koun MIN
  • Patent number: 11813567
    Abstract: Provided is a device for removing nitrogen oxide, the device including an inflow path for gas containing nitrogen oxide; and a reversible metal complex compound coming into contact with the gas containing nitrogen oxide which is introduced through the inflow path, wherein the reversible metal complex compound includes a central metal ion reacting and binding with nitrogen oxide; and a ligand coordinating with the central metal ion, wherein when the central metal ion is oxidized, the bound nitrogen oxide is separated, and the oxidized central metal ion is reduced to recombine with nitrogen oxide.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: November 14, 2023
    Assignee: Korea Institute of Science and Technology
    Inventors: Dong Ki Lee, Hyun Joo Lee, Seojung Han, Heesung Eum, Seokhyeon Cheong
  • Publication number: 20230363236
    Abstract: An organic light emitting device includes: a substrate; a thin film transistor disposed on the substrate; an organic light emitting element connected to the thin film transistor and receiving a data voltage; a plurality of encapsulation thin films disposed on the organic light emitting element, and encapsulating the thin film transistor and the organic light emitting element; a planarization layer disposed on the encapsulation thin film; and a touch sensor disposed on the planarization layer.
    Type: Application
    Filed: July 16, 2023
    Publication date: November 9, 2023
    Inventors: Dong-Ki LEE, Hoon-Kee MIN
  • Publication number: 20230321599
    Abstract: Provided is a device for removing nitrogen oxide, the device including an inflow path for gas containing nitrogen oxide; and a reversible metal complex compound coming into contact with the gas containing nitrogen oxide which is introduced through the inflow path, wherein the reversible metal complex compound includes a central metal ion reacting and binding with nitrogen oxide; and a ligand coordinating with the central metal ion, wherein when the central metal ion is oxidized, the bound nitrogen oxide is separated, and the oxidized central metal ion is reduced to recombine with nitrogen oxide.
    Type: Application
    Filed: September 29, 2022
    Publication date: October 12, 2023
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Ki LEE, Hyun Joo LEE, Seojung HAN, Heesung EUM, Seokhyeon CHEONG
  • Patent number: 11737339
    Abstract: An organic light emitting device includes: a substrate; a thin film transistor disposed on the substrate; an organic light emitting element connected to the thin film transistor and receiving a data voltage; a plurality of encapsulation thin films disposed on the organic light emitting element, and encapsulating the thin film transistor and the organic light emitting element; a planarization layer disposed on the encapsulation thin film; and a touch sensor disposed on the planarization layer.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: August 22, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Ki Lee, Hoon-Kee Min
  • Publication number: 20230246008
    Abstract: Disclosed are a passive device structure of a semiconductor package and a method for manufacturing the same to prevent an integrated passive device (IPD) positioned between ball grid arrays for connecting a substrate and a printed circuit board from being damaged by the ball grid arrays or to prevent a decrease in operation performance.
    Type: Application
    Filed: February 15, 2022
    Publication date: August 3, 2023
    Inventors: Dong-Ki LEE, Taedong KIM, Seunggu LIM, Jihoon CHA, Yeonglyeol PARK
  • Publication number: 20230136651
    Abstract: According to one embodiment of the present invention, there is provided a catalyst compound, which comprises a compound of Chemical Formula 1 below and catalyzes the process of oxidizing 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA): NiCoxPy??[Chemical Formula 1] (wherein x and y are the molar ratio for Ni contained in the catalyst compound, 0<x<1, 0<y<1).
    Type: Application
    Filed: June 15, 2022
    Publication date: May 4, 2023
    Inventors: Dong Ki LEE, Jai Hyun KOH, Dahye WON, Ung LEE, Hyung-Suk OH, Byoung Koun MIN, JongIn WOO, Byeong Cheul MOON
  • Publication number: 20230077046
    Abstract: An organic light emitting device includes: a substrate; a thin film transistor disposed on the substrate; an organic light emitting element connected to the thin film transistor and receiving a data voltage; a plurality of encapsulation thin films disposed on the organic light emitting element, and encapsulating the thin film transistor and the organic light emitting element; a planarization layer disposed on the encapsulation thin film; and a touch sensor disposed on the planarization layer.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 9, 2023
    Inventors: Dong-Ki LEE, Hoon-Kee Min
  • Patent number: 11591600
    Abstract: The present technology relates, in part, to long double-stranded RNA (dsRNA) (e.g., 30 or more base pairs) that inhibits gene expression.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: February 28, 2023
    Assignee: OliX Pharmaceuticals. Inc.
    Inventor: Dong Ki Lee