Patents by Inventor Kukjoo KIM

Kukjoo 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).

  • Publication number: 20240363835
    Abstract: A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode includes a Si—C composite negative electrode active material and a binder, wherein the binder includes a first binder that is an acrylic copolymer. The acrylic copolymer includes a first acrylic acid monomer, a second acrylonitrile monomer, and a third (meth)acrylate monomer, the first acrylic acid monomer includes acrylic acid substituted with a lithium ion, and the third (meth)acrylate monomer is a (meth)acrylate monomer including an ethylene glycol group and has a weight average molecular weight (Mw) of less than about 900 g/mol.
    Type: Application
    Filed: November 8, 2023
    Publication date: October 31, 2024
    Inventors: Kyunghwa JUNG, Kukjoo LEE, Jungmin LEE, Yunshik CHO, Minho CHO, Hana KIM
  • Patent number: 12036028
    Abstract: Provided is a bio-signal detection and stimulation device. The bio-signal detection and stimulation device includes a flexible substrate, a stimulation part on the flexible substrate, and a detection electrode part on the flexible substrate. The stimulation part and the detection electrode part vertically overlap each other, the stimulation part includes an organic light emitting diode (OLED), the stimulation part emits an optical signal, and the detection electrode part detects a bio-signal.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: July 16, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: O Eun Kwon, Chan-mo Kang, Kukjoo Kim, Jin-Wook Shin, Chunwon Byun, Sukyung Choi, Byoung-Hwa Kwon, Sujung Kim, Sooji Nam, Chan Woo Park, Jong-Heon Yang
  • Publication number: 20230389400
    Abstract: Provided is a flexible organic light emitting element that may include a flexible substrate, a circuit element layer on the flexible substrate, an emission layer on the circuit element layer, a first encapsulation structure between the flexible substrate and the circuit element layer, and a second encapsulation structure on the emission layer, wherein the first encapsulation structure includes a first inorganic layer and a first organic layer, which are sequentially stacked on an upper surface of the flexible substrate, and the first organic layer includes a first polymer nanocomposite.
    Type: Application
    Filed: April 19, 2023
    Publication date: November 30, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byoung-Hwa KWON, Chan-mo KANG, Kukjoo KIM, Gi Heon KIM, Sujung KIM, Sooji NAM, Chunwon BYUN, Jin-Wook SHIN, Jong-Heon YANG, Hyunsu CHO, Sukyung CHOI
  • Publication number: 20210393978
    Abstract: Provided is a bio-signal detection and stimulation device. The bio-signal detection and stimulation device includes a flexible substrate, a stimulation part on the flexible substrate, and a detection electrode part on the flexible substrate. The stimulation part and the detection electrode part vertically overlap each other, the stimulation part includes an organic light emitting diode (OLED), the stimulation part emits an optical signal, and the detection electrode part detects a bio-signal.
    Type: Application
    Filed: June 21, 2021
    Publication date: December 23, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: O Eun KWON, Chan-mo KANG, Kukjoo KIM, Jin-Wook SHIN, CHUNWON BYUN, Sukyung CHOI, Byoung-Hwa KWON, Sujung KIM, Sooji NAM, Chan Woo PARK, Jong-Heon YANG