Patents by Inventor Dong Jun Kim

Dong Jun 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).

  • Heterocyclic compound and organic light emitting element comprising same
    Patent number: 11515484
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: November 29, 2022
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Geon-Yu Park, Young-Seok No, Seung-Gyu Yang, Ju-Hyon Cha, Dong-Jun Kim, Dae-Hyuk Choi, Joo-Dong Lee
  • Cyclone dust collecting apparatus and handheld cleaner having the same
    Patent number: 11484164
    Abstract: The hand-held cleaner includes a body, and a cyclone dust collecting apparatus detachably mounted in the body. The cyclone dust collecting apparatus includes a pre-motor filter unit having a filter grill and a filter member, a dust collecting bin having one end to which the pre-motor filter unit is coupled and the other end opposite to the one end in which an cyclone inlet is formed, and a cyclone bin disposed in the dust collecting bin and having a spiral flow path-guide member integrally formed therein. A moving path of air drawn into the cyclone inlet is maintained in the same direction until the air is discharged through the pre-motor filter unit via the cyclone bin.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-gyun Han, Ki-man Kim, Seog-bong Baek, Dong-jun Kim
  • ORGANIC LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, AND COMPOSITION FOR ORGANIC MATERIAL LAYER OF ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20220340550
    Abstract: The present specification relates to an organic light emitting device, a method for manufacturing the same, and a composition for an organic material layer.
    Type: Application
    Filed: October 7, 2020
    Publication date: October 27, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Seung-Gyu YANG, Su-Yeon KIM, Geon-Yu PARK, Young-Seok NO, Dong-Jun KIM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
    Publication number: 20220340585
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: July 17, 2020
    Publication date: October 27, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Yun-Ji LEE, Min-Ji PARK, Won-Jang JEONG, Dong-Jun KIM
  • SEPARATOR FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20220328930
    Abstract: Disclosed is a separator for a lithium secondary battery coated with a ceramic particle.
    Type: Application
    Filed: November 18, 2021
    Publication date: October 13, 2022
    Inventors: Dong Jun KIM, Yoon Sung LEE, Young Woo LEE, Da Hee JIN, Young Joon ROH, Yong Min LEE, Seoung Woo BYUN
  • HETEROCYCLIC COMPOUND, AND ORGANIC LIGHT-EMITTING ELEMENT USING SAME
    Publication number: 20220324877
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device using the same.
    Type: Application
    Filed: August 19, 2020
    Publication date: October 13, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Seong-Jong PARK, Hyun-Ju LA, Won-Jang JEONG, Dong-Jun KIM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20220328769
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: November 5, 2020
    Publication date: October 13, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hye-Su JI, Dong-Jun KIM, Hyun-Joo LEE, Young-Seok NO
  • COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20220315541
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: November 16, 2020
    Publication date: October 6, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Geon-Yu PARK, Dong-Jun KIM
  • HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DIODE COMPRISING SAME, COMPOSITION FOR ORGANIC LAYER OF ORGANIC LIGHT-EMITTING DIODE, AND METHOD FOR MANUFACTURING ORGANIC LIGHT-EMITTING DIODE
    Publication number: 20220320442
    Abstract: The present specification provides a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a composition for an organic material layer of an organic light emitting device, and a method for manufacturing an organic light emitting device.
    Type: Application
    Filed: October 7, 2020
    Publication date: October 6, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Su-Yeon KIM, Seung-Gyu YANG, Young-Seok NO, Geon-Yu PARK, Dong-Jun KIM
  • Electrolyte solution for lithium secondary batteries and lithium secondary battery including the same
    Patent number: 11444327
    Abstract: Disclosed are an electrolyte solution for lithium secondary batteries capable of increasing the lifetime of the lithium secondary batteries and a lithium secondary battery including the same. Provided is an electrolyte solution for lithium secondary batteries including a lithium salt, a solvent and allyl(4-nitrophenyl) carbonate.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: September 13, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yoon Sung Lee, Ik Kyu Kim, Seung Min Oh, Young Woo Lee, Dong Jun Kim, Sung Ho Ban, Sung Hoon Lim
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20220281884
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: September 25, 2020
    Publication date: September 8, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Yun-Ji LEE, Min-Ji PARK, Won-Jang JEONG, Dong-Jun KIM
  • NOISE REDUCTION DEVICE AND METHOD
    Publication number: 20220277723
    Abstract: A noise reduction device and method comprises: at least one sound pickup microphone module for picking up sound from a medium to generate a noise pickup signal; at least one speaker driver for transmitting, to the medium, a vibration corresponding to a noise cancellation signal generated on the basis of the noise pickup signal; and a controller for generating the noise cancellation signal on the basis of the noise pickup signal.
    Type: Application
    Filed: July 24, 2020
    Publication date: September 1, 2022
    Inventors: Bonn-Hee Goo, Seung-Geun Hong, Dong-Jun Kim
  • HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME, COMPOSITION FOR ORGANIC LAYER OF ORGANIC LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20220259187
    Abstract: The present specification provides a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a composition for an organic material layer of an organic light emitting device, and a method for manufacturing an organic light emitting device.
    Type: Application
    Filed: November 17, 2020
    Publication date: August 18, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Young-Jin LEE, Jun-Tae MO, Dong-Jun KIM, Han-Kook OH, Ji-Yoon BYUN
  • Display apparatus and method of controlling the same
    Patent number: 11409817
    Abstract: A display apparatus for and a method of providing to users additional information associated with a broadcasting signal that is being output via the display apparatus are provided. The display apparatus includes a communication unit configured to perform data communication, and a control unit configured to acquire a keyword from content being reproduced by the display apparatus, to acquire user preference information corresponding to a mobile terminal, to acquire a search result corresponding to the acquired keyword, to produce additional information based on the acquired search result and the acquired user preference information, and to provide the additional information to the mobile terminal via the communication unit.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: August 9, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-jun Kim, Jung-ick Guack, Tae-wan Kim, Young-soo Choi, Do-won Hyun, Jong-soo Yoon, Jeong-yeon Lee
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20220246863
    Abstract: The present application provides a heterocyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device comprising the heterocyclic compound in an organic material layer.
    Type: Application
    Filed: August 14, 2020
    Publication date: August 4, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Nam-Jin LEE, Yu-Jun JEONG, Won-Jang JEONG, Jun-Tae MO, Dong-Jun KIM
  • MESH TYPE ATOMIZER USING POROUS THIN FILM AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20220234301
    Abstract: A mesh type atomizer according to an embodiment includes a porous thin film having a multi-hole structure, a metal layer covering a remaining area except a nozzle area in which droplets are sprayed through the holes on a surface of the porous thin film, and an ultrasonic transducer to output ultrasonic waves to vibrate the porous thin film. According to an embodiment, it is possible to atomize a liquid into nanometer-level fine particles using the porous thin film including nanometer sized holes. It is possible to precisely adjust the sprayed droplet size by setting the shape, size and cycle of the nozzle in the manufacturing process, and it is possible to selectively increase the strength of the mesh by growing the metal material in the hole of the porous thin film through electroplating.
    Type: Application
    Filed: August 26, 2021
    Publication date: July 28, 2022
    Inventors: Byung Chul LEE, Dong-Hyun KANG, Shinyong SHIM, Dong Jun KIM, Jin Soo PARK, Ki Joo PAHK, Hyejeong SEONG
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20220231235
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: September 24, 2020
    Publication date: July 21, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Ji-Young KIM, Jun-Tae MO, Dong-Jun KIM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
    Publication number: 20220223795
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: August 31, 2020
    Publication date: July 14, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Young-Jin LEE, Seong-Jong PARK, Won-Jang JEONG, Dong-Jun KIM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
    Publication number: 20220213098
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: July 3, 2020
    Publication date: July 7, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hye-Su JI, Hyun-Ju LA, Won-Jang JEONG, Dong-Jun KIM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20220213120
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: August 20, 2020
    Publication date: July 7, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Nam-Jin LEE, Yu-Jin HEO, Won-Jang JEONG, Dong-Jun KIM