Patents by Inventor Su Hwan Jo

Su Hwan Jo 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).

  • Polycyclic aromatic compounds and organic electroluminescent devices using the same
    Patent number: 11985891
    Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 14, 2024
    Assignee: SFC Co., Ltd.
    Inventors: SungHoon Joo, Ji-Hwan Kim, Byung-sun Yang, Hyeon Jun Jo, Sungeun Choi, Su-jin Kim, Bong-Ki Shin
  • Display device
    Patent number: 11935481
    Abstract: Provided is a display device, which includes: a reference voltage line formed along a circular outer line and configured to provide a reference voltage; a first reference voltage auxiliary line electrically connected to the reference voltage line and formed to be parallel with a predetermined interval; and a conductive line forming a contact with the reference voltage line and the first reference voltage auxiliary line and configured to provide the reference voltage to a cathode.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Han Jo, Min Chae Kwak, Kyeong Hwa Kim, Mi Hae Kim, Kyong Hwan Oh, Su Mi Jang, Jae-Ho Choi
  • Silicon-carbon complex and lithium secondary battery comprising the same
    Patent number: 11929498
    Abstract: A silicon-carbon complex comprising carbon-based particles and silicon-based particles, wherein the silicon-based particles are dispersed and positioned on surfaces of the carbon-based particles, the carbon-based particles have a specific surface area of 0.4 m2/g to 1.5 m2/g, and the silicon-based particles are doped with one or more elements selected from the group consisting of Mg, Li, Ca, and Al, and a negative electrode active material for lithium secondary battery comprising the same.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: March 12, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Su Min Lee, Eun Kyung Kim, Yong Ju Lee, Rae Hwan Jo, Dong Hyuk Kim, Se Mi Park
  • MP3 playing and charging system comprising a docking station having an adapter for installing MP3 and a dynamic speaker
    Patent number: 7782012
    Abstract: In this present invention, MP3 playing and charging system having an adapter for installing MP3 and dynamic speakers which includes a docking station and two speakers that can be used in attached or separated manner; two speakers that allow variation of speaker direction generating dynamic sound when attached; and a docking station that can be attached and connected to MP3 player with the use of MP3 installing adapter when connecting MP3 to the docking station is provided.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: August 24, 2010
    Assignee: Diasonic Technology Co., Ltd
    Inventor: Su Hwan Jo
  • Mp3 Playing And Charging System Comprising A Docking Station Having An Adapter For Installing Mp3 And A Dynamic Speaker
    Publication number: 20080157716
    Abstract: In this present invention, MP3 playing and charging system having an adapter for installing MP3 and dynamic speakers which includes a docking station and two speakers that can be used in attached or separated manner; two speakers that allow variation of speaker direction generating dynamic sound when attached; and a docking station that can be attached and connected to MP3 player with the use of MP3 installing adapter when connecting MP3 to the docking station is provided.
    Type: Application
    Filed: September 28, 2005
    Publication date: July 3, 2008
    Inventor: Su Hwan Jo