Patents by Inventor Myung Chul YEO

Myung Chul YEO 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).

  • Patent number: 10483327
    Abstract: A light-emitting diode includes a first electrode, a second electrode overlapping the first electrode, a first emission layer and a second emission layer provided between the first electrode and the second electrode, and a first charge generating layer provided between the first emission layer and the second emission layer, the first charge generating layer including a p-type charge generating layer and an n-type charge generating layer. The n-type charge generating layer may include an organic material and an inorganic material doped to the organic material, and the inorganic material may include a lanthanide metal or an alkali earth metal, and an alkali halide.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: November 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Won Jong Kim, Ji Young Moon, Dong Kyu Seo, Myung Chul Yeo, Ji Hye Lee, Yoon Hyeung Cho
  • Patent number: 10418576
    Abstract: A light emitting diode including a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; and an electron transporting region positioned between the second electrode and the emission layer, wherein the electron transporting region includes a tellurium compound of a rare earth metal.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: September 17, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Chan Kim, Ji Young Moon, Yeong Rong Park, Dong Kyu Seo, Myung Chul Yeo, Ji Hye Lee, Hyung Seok Jang, Won Jong Kim, Yoon Hyeung Cho
  • Publication number: 20190115557
    Abstract: A light emitting diode includes a first electrode overlapping a second electrode, an emission layer between the first and second electrodes. a first hole injection layer and a second hole injection layer between the first electrode and the emission layer, and a first hole transporting layer between the first hole injection layer and the second hole injection layer. Each of the first and second hole injection layers includes an inorganic dipole material. At least one of the first hole injection layer or the second hole injection layer including an organic material.
    Type: Application
    Filed: December 12, 2018
    Publication date: April 18, 2019
    Inventors: Dong Chan KIM, Won Jong KIM, Ji Young MOON, Dong Kyu SEO, Myung Chul YEO, Ji Hye LEE, Yoon Hyeung CHO
  • Publication number: 20190081266
    Abstract: A light emitting diode including a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; and an electron transporting region positioned between the second electrode and the emission layer, wherein the electron transporting region includes a tellurium compound of a rare earth metal.
    Type: Application
    Filed: March 15, 2018
    Publication date: March 14, 2019
    Inventors: Dong Chan KIM, Ji Young MOON, Yeong Rong PARK, Dong Kyu SEO, Myung Chul YEO, Ji Hye LEE, Hyung Seok JANG, Won Jong KIM, Yoon Hyeung CHO
  • Publication number: 20180375048
    Abstract: A light-emitting diode includes a first electrode, a second electrode, a light-emitting layer, and a hole transfer layer. The light-emitting layer is disposed between the first electrode and the second electrode. The hole transfer layer is disposed between the light-emitting layer and the second electrode. The hole transfer layer includes an organic material. At least one of tellurium or a telluride compound of a transition metal is doped in the organic material included in the hole transfer layer.
    Type: Application
    Filed: January 8, 2018
    Publication date: December 27, 2018
    Inventors: Dong Chan KIM, Won Jong KIM, Ji Young MOON, Yeong Rong PARK, Dong Kyu SEO, Myung Chul YEO, Ji Hye LEE, Yoon Hyeung CHO
  • Patent number: 10158095
    Abstract: A light emitting diode includes a first electrode overlapping a second electrode, an emission layer between the first and second electrodes. a first hole injection layer and a second hole injection layer between the first electrode and the emission layer, and a first hole transporting layer between the first hole injection layer and the second hole injection layer. Each of the first and second hole injection layers includes an inorganic dipole material. At least one of the first hole injection layer or the second hole injection layer including an organic material.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: December 18, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Won Jong Kim, Ji Young Moon, Dong Kyu Seo, Myung Chul Yeo, Ji Hye Lee, Yoon Hyeung Cho
  • Publication number: 20180269265
    Abstract: A light-emitting diode includes a first electrode, a second electrode overlapping the first electrode, a first emission layer and a second emission layer provided between the first electrode and the second electrode, and a first charge generating layer provided between the first emission layer and the second emission layer, the first charge generating layer including a p-type charge generating layer and an n-type charge generating layer. The n-type charge generating layer may include an organic material and an inorganic material doped to the organic material, and the inorganic material may include a lanthanide metal or an alkali earth metal, and an alkali halide.
    Type: Application
    Filed: December 29, 2017
    Publication date: September 20, 2018
    Inventors: Dong Chan KIM, Won Jong KIM, Ji Young MOON, Dong Kyu SEO, Myung Chul YEO, Ji Hye LEE, Yoon Hyeung CHO
  • Publication number: 20180233689
    Abstract: A light emitting diode includes a first electrode overlapping a second electrode, an emission layer between the first and second electrodes. a first hole injection layer and a second hole injection layer between the first electrode and the emission layer, and a first hole transporting layer between the first hole injection layer and the second hole injection layer. Each of the first and second hole injection layers includes an inorganic dipole material. At least one of the first hole injection layer or the second hole injection layer including an organic material.
    Type: Application
    Filed: November 8, 2017
    Publication date: August 16, 2018
    Inventors: Dong Chan KIM, Won Jong KIM, Ji Young MOON, Dong Kyu SEO, Myung Chul YEO, Ji Hye LEE, Yoon Hyeung CHO