Patents by Inventor Kun Su PARK

Kun Su PARK 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: 20200067005
    Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode, a hole transport layer disposed on the first electrode, an emission layer disposed on the hole transport layer and including light emitting particles, an electron transport layer disposed on the emission layer and including nanoparticles having electron transport capability, and a second electrode disposed on the electron transport layer, wherein at least a portion of the nanoparticles having electron transport capability include an inorganic oxide core represented by Chemical Formula 1, an organic ligand attached to a surface of the inorganic oxide core, and a metal-organic compound chemically bound to the surface of the inorganic oxide core.
    Type: Application
    Filed: December 27, 2018
    Publication date: February 27, 2020
    Inventors: Kun Su PARK, Kwanghee KIM, Tae Ho KIM, Eun Joo JANG, Won Sik YOON
  • Publication number: 20200035857
    Abstract: A quantum dot device including a first electrode and a second electrode facing each other, a quantum dot layer disposed between the first electrode and the second electrode and an electron auxiliary layer disposed between the quantum dot layer and the second electrode, wherein the electron auxiliary layer includes an electron-transporting material represented by Chemical Formula 1 and an electron-controlling material capable of decreasing electron mobility of the electron auxiliary layer, and a display device. Zn1-xMxO??Chemical Formula 1 In Chemical Formula 1, M and x are the same as described in the detailed description.
    Type: Application
    Filed: June 17, 2019
    Publication date: January 30, 2020
    Inventors: Kun Su PARK, Tae Ho KIM, Sung Woo KIM, Chan Su KIM, Tae Hyung KIM, Eun Joo JANG
  • Publication number: 20200035935
    Abstract: A quantum dot device including an anode and a cathode facing each other, a quantum dot layer between the anode and the cathode and electron auxiliary layer between the quantum dot layer and the cathode, wherein the electron auxiliary layer includes at least one nanoparticle represented by Chemical Formula 1 and at least one metal halide represented by Chemical Formula 2, and a display device.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 30, 2020
    Inventors: Chan Su KIM, Tae Ho KIM, Kun Su PARK, Sung Woo KIM, Eun Joo JANG
  • Patent number: 10535829
    Abstract: A quantum dot device including an anode and a cathode facing each other, a quantum dot layer between the anode and the cathode and electron auxiliary layer between the quantum dot layer and the cathode, wherein the electron auxiliary layer includes at least one nanoparticle represented by Chemical Formula 1 and at least one metal halide represented by Chemical Formula 2, and a display device.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: January 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Su Kim, Tae Ho Kim, Kun Su Park, Sung Woo Kim, Eun Joo Jang
  • Publication number: 20190319208
    Abstract: A quantum dot device includes a first electrode and a second electrode facing each other, a quantum dot layer disposed between the first electrode and the second electrode and comprising a plurality of quantum dots, a first charge auxiliary layer disposed between the first electrode and the quantum dot layer and contacting the quantum dot layer, and a second charge auxiliary layer disposed between the second electrode and the quantum dot layer and contacting the quantum dot layer, wherein the plurality of quantum dots includes a quantum dot including an organic ligand on a surface thereof, the organic ligand including a hydrophilic functional group at a terminal end.
    Type: Application
    Filed: August 20, 2018
    Publication date: October 17, 2019
    Inventors: Moon Gyu HAN, Dae Young CHUNG, Hongkyu SEO, Kwanghee KIM, Kun Su PARK, Sujin PARK, Eun Joo JANG
  • Patent number: 10446782
    Abstract: A quantum dot device includes a first electrode and a second electrode facing each other, a quantum dot layer disposed between the first electrode and the second electrode and comprising a plurality of quantum dots, a first charge auxiliary layer disposed between the first electrode and the quantum dot layer and contacting the quantum dot layer, and a second charge auxiliary layer disposed between the second electrode and the quantum dot layer and contacting the quantum dot layer, wherein the plurality of quantum dots includes a quantum dot including an organic ligand on a surface thereof, the organic ligand including a hydrophilic functional group at a terminal end.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Moon Gyu Han, Dae Young Chung, Hongkyu Seo, Kwanghee Kim, Kun Su Park, Sujin Park, Eun Joo Jang
  • Publication number: 20190296255
    Abstract: An electroluminescent device and a display device including the same are disclosed. The electroluminescent device includes a first electrode, an electron transport layer disposed on the first electrode and including inorganic oxide particles, a self-assembled monolayer disposed on the electron transport layer, an emission layer disposed on the self-assembled monolayer and including light emitting particles, a hole transport layer disposed on the emission layer, and a second electrode disposed on the hole transport layer.
    Type: Application
    Filed: August 8, 2018
    Publication date: September 26, 2019
    Inventors: Tae Ho KIM, Chan Su KIM, Kun Su PARK, Eun Joo JANG, Sung Woo KIM, Hongkyu SEO
  • Publication number: 20190288230
    Abstract: An electroluminescent device comprising a first electrode; a hole transport layer disposed on the first electrode; an emission layer disposed on the hole transport layer and comprising a plurality of light emitting particles; an electron transport layer disposed on the emission layer and comprising a metal oxide particle-organic polymer composite comprising a plurality of metal oxide particles and an organic polymer; and a second electrode disposed on the electron transport layer, wherein the organic polymer is present in the metal oxide particle-organic polymer composition in an amount of about 7 weight percent to about 30 weight percent based on a total weight of the electron transport layer.
    Type: Application
    Filed: July 18, 2018
    Publication date: September 19, 2019
    Inventors: Chan Su KIM, Tae Ho KIM, Kun Su PARK, Eun Joo JANG
  • Publication number: 20190288229
    Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, the emission layer including light emitting particles; an electron transport layer disposed between the first electrode and the emission layer; and a hole transport layer disposed between the second electrode and the emission layer, wherein the electron transport layer includes inorganic oxide particles and a metal-organic compound, the metal-organic compound or a thermal decomposition product of the metal-organic compound being soluble a non-polar solvent.
    Type: Application
    Filed: March 13, 2019
    Publication date: September 19, 2019
    Inventors: Sung Woo KIM, Chan Su KIM, Tae Ho KIM, Kun Su PARK, Eun Joo JANG, Jin A KIM, Tae Hyung KIM, Jeong Hee LEE
  • Patent number: 10396306
    Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same are disclosed. The electroluminescent device electroluminescent device includes a first electrode; a hole transport layer disposed on the first electrode; an emission layer disposed on the hole transport layer and including at least two light emitting particles; a first electron transport layer disposed on the emission layer and including at least two inorganic-organic composite particles; a second electron transport layer disposed on the first electron transport layer and including at least two inorganic oxide particles; and a second electrode disposed on the second electron transport layer, wherein the first electron transport layer has a lower work function than the second electron transport layer.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Kim, Tae Ho Kim, Kun Su Park, Chan Su Kim, Eun Joo Jang
  • Publication number: 20190198796
    Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same are disclosed. The electroluminescent device electroluminescent device includes a first electrode; a hole transport layer disposed on the first electrode; an emission layer disposed on the hole transport layer and including at least two light emitting particles; a first electron transport layer disposed on the emission layer and including at least two inorganic-organic composite particles; a second electron transport layer disposed on the first electron transport layer and including at least two inorganic oxide particles; and a second electrode disposed on the second electron transport layer, wherein the first electron transport layer has a lower work function than the second electron transport layer.
    Type: Application
    Filed: May 3, 2018
    Publication date: June 27, 2019
    Inventors: Sung Woo KIM, Tae Ho KIM, Kun Su PARK, Chan Su KIM, Eun Joo JANG