Patents by Inventor Min-Sik Eum

Min-Sik Eum 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).

  • Organic compound and organic electroluminescent element comprising same
    Patent number: 11997924
    Abstract: Disclosed are a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: May 28, 2024
    Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Min-Sik Eum, Hojun Son, Woo Jae Park, Tae Hyung Kim, Jiyi Kim, Youngmi Beak
  • Organic compound and organic electroluminescent element comprising same
    Patent number: 11832514
    Abstract: Disclosed are a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: November 28, 2023
    Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Min-Sik Eum, Hojun Son, Woo Jae Park, Tae Hyung Kim, Jiyi Kim, Youngmi Beak
  • ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME
    Publication number: 20210147336
    Abstract: The present invention relates to a novel compound and an organic electroluminescent device including the same, and by using the compound according to the present invention in an organic material layer, preferably a light emitting layer, of an organic electroluminescent device, luminous efficiency, driving voltage, lifetime and the like of the organic electroluminescent device may be enhanced.
    Type: Application
    Filed: November 21, 2017
    Publication date: May 20, 2021
    Applicant: DOOSAN SOLUS CO., LTD.
    Inventors: Jae Yi SIM, Min-Sik EUM, Woo Jae PARK
  • Organic compound and organic electroluminescent element comprising same
    Patent number: 10916709
    Abstract: The present invention relates to a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: February 9, 2021
    Assignee: DOOSAN SOLUS CO., LTD.
    Inventors: Min-Sik Eum, Hojun Son, Woo Jae Park, Tae Hyung Kim, Jiyi Kim, Youngmi Beak
  • ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME
    Publication number: 20200185618
    Abstract: Disclosed are a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 11, 2020
    Applicant: DOOSAN CORPORATION
    Inventors: Min-Sik EUM, Hojun SON, Woo Jae PARK, Tae Hyung KIM, Jiyi KIM, Youngmi BEAK
  • ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME
    Publication number: 20200185617
    Abstract: Disclosed are a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 11, 2020
    Applicant: DOOSAN CORPORATION
    Inventors: Min-Sik Eum, Hojun Son, Woo Jae Park, Tae Hyung Kim, Jiyi Kim, Youngmi Beak
  • Organic electroluminescent element
    Patent number: 9960363
    Abstract: The present invention provides an organic electroluminescent element which comprises: an anode; a cathode; and an organic layer interposed between the anode and the cathodes, wherein the organic layer comprises one or more types of layer from the group consisting of a hole-injection layer, hole-transport layer, light-emitting layer, lifetime enhancement layer, electron-transport layer, and electron-injection layer.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: May 1, 2018
    Assignee: DOOSAN CORPORATION
    Inventors: Min-Sik Eum, Ho-Cheol Park, Chang Jun Lee, Tae Hyung Kim, Jiyi Kim, Youngmi Beak
  • ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME
    Publication number: 20180053900
    Abstract: The present invention relates to a novel organic compound, and an organic electroluminescent element having improved characteristics, such as luminous efficiency, driving voltage, and lifespan, by containing the novel organic compound in one or more organic material layers.
    Type: Application
    Filed: December 24, 2015
    Publication date: February 22, 2018
    Applicant: DOOSAN CORPORATION
    Inventors: Min-Sik EUM, Hojun SON, Woo Jae PARK, Tae Hyung KIM, Jiyi KIM, Youngmi BEAK
  • ORGANIC ELECTROLUMINESCENT ELEMENT
    Publication number: 20180013072
    Abstract: The present invention provides an organic electroluminescent element which comprises: an anode; a cathode; and an organic layer interposed between the anode and the cathodes, wherein the organic layer comprises one or more types of layer from the group consisting of a hole-injection layer, hole-transport layer, light-emitting layer, lifetime enhancement layer, electron-transport layer, and electron-injection layer.
    Type: Application
    Filed: December 21, 2015
    Publication date: January 11, 2018
    Applicant: DOOSAN CORPORATION
    Inventors: Min-Sik EUM, Ho-Cheol PARK, Chang Jun LEE, Tae Hyung KIM, Jiyi KIM, Youngmi BEAK
  • Organic light-emitting device
    Patent number: 9543538
    Abstract: An organic light-emitting device includes a positive electrode, a negative electrode and at least one organic material layer between the positive electrode and the negative electrode. The at least one organic material layer includes a hole-injecting layer, a hole-transporting layer, an emission layer, an electron-transporting layer, and an electron-injecting layer, and the emission layer includes a host material and a dopant material. In addition, a lifetime enhancement layer including a bipolar compound is positioned between the emission layer and the electron-transporting layer.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: January 10, 2017
    Assignees: SAMSUNG DISPLAY CO., LTD., DOSAN CORPORATION
    Inventors: Seul-Ong Kim, Mi-Kyung Kim, Dong-Woo Shin, Chang-Woong Chu, Tae Hyung Kim, HoCheol Park, Youngmi Beak, Min-Sik Eum, Eunjung Lee, Chang Jun Lee
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20150207093
    Abstract: An organic light-emitting device includes a positive electrode, a negative electrode and at least one organic material layer between the positive electrode and the negative electrode. The at least one organic material layer includes a hole-injecting layer, a hole-transporting layer, an emission layer, an electron-transporting layer, and an electron-injecting layer, and the emission layer includes a host material and a dopant material. In addition, a lifetime enhancement layer including a bipolar compound is positioned between the emission layer and the electron-transporting layer.
    Type: Application
    Filed: October 31, 2014
    Publication date: July 23, 2015
    Inventors: Seul-Ong Kim, Mi-Kyung Kim, Dong-Woo Shin, Chang-Woong Chu, Tae Hyung Kim, HoCheol Park, Youngmi Baek, Min-Sik Eum, Eunjung Lee, Chang Jun Lee