Patents by Inventor Sang Hyeon HONG

Sang Hyeon HONG 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).

  • METHOD FOR ACTIVATING LITHIUM SECONDARY BATTERY
    Publication number: 20240186644
    Abstract: An activation method for a lithium secondary battery includes: a primary charging process charging a lithium secondary battery; a first degassing process discharging an internal gas containing oxygen to an outside of the lithium secondary battery or moving the internal gas containing oxygen to a gas pocket part after the primary charging process; an aging process aging the lithium secondary battery after the first degassing process; and a second degassing process removing gas from the aged lithium secondary battery.
    Type: Application
    Filed: November 22, 2022
    Publication date: June 6, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sung Hoon YU, Eui Kyung LEE, Sang Jih KIM, Suk Hyun HONG, Ju Hyeon CHO
  • Organic electroluminescent compound and organic electroluminescent device comprising the same
    Patent number: 12004420
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound, an organic electroluminescent device having a low driving voltage and/or a high luminous efficiency and/or a long lifespan can be provided.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: June 4, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Doo-Hyeon Moon, Su-Hyun Lee, Jin-Ri Hong, So-Young Jung, Dong-Hyung Lee, Sang-Hee Cho
  • LENS AND LENS ASSEMBLY INCLUDING THE SAME
    Publication number: 20230221464
    Abstract: A lens includes an optical portion; and a rib portion extending to an external side of the optical portion in a radial direction and including a light transmitting region and a light-shielding region, wherein the light-shielding region includes an ester-based compound and a hydrocarbon-based compound, and wherein the hydrocarbon-based compound includes a saturated hydrocarbon compound.
    Type: Application
    Filed: May 13, 2022
    Publication date: July 13, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hae Sung OH, Ae Rim KIM, Sang Hyun KWON, Sang Hyeon HONG, Sang A KIM
  • DYED LENS AND METHOD OF DYEING LENS
    Publication number: 20220075096
    Abstract: A lens includes a light-transmitting portion and a light-shielding portion adjacent to at least a portion of the light-transmitting portion and integrated with the light-transmitting portion. The light-shielding portion includes at least one of carbon nanotubes and carbon black.
    Type: Application
    Filed: June 28, 2021
    Publication date: March 10, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seong Chan PARK, Ae Rim KIM, Sang Hyun KWON, Sang Hyeon HONG, Hae Sung OH, Choon Keun LEE
  • LENS DYEING METHOD, AND LENS ASSEMBLY MANUFACTURING METHOD
    Publication number: 20220001418
    Abstract: A method of dyeing a lens, and a method of manufacturing a lens assembly is provided. The method includes an operation of dipping the lens in a dyeing solution containing a non-polar dye.
    Type: Application
    Filed: February 1, 2021
    Publication date: January 6, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seong Chan PARK, Ae Rim KIM, Sang Hyun KWON, Sang Hyeon HONG, Choon Keun LEE