Patents by Inventor Eung Do Kim

Eung Do 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).

  • Patent number: 9406900
    Abstract: Provided is an organic light-emitting display apparatus that includes a substrate; a first electrode on the substrate; an intermediate layer on the first electrode and including an organic emission layer; and a second electrode that includes a first layer including a dipole material, a second layer including a material having a work function of 3.6 eV or less, and a third layer including a conductive material, wherein the first to third layers are sequentially disposed on the intermediate layer.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: August 2, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seok-Gyu Yoon, Dong-Chan Kim, Won-Jong Kim, Eung-Do Kim, Dong-Kyu Seo, Young-Woo Song, Jong-Hyuk Lee
  • Publication number: 20160211460
    Abstract: An organic light emitting diode includes: a first electrode; a second electrode facing the first electrode; a light emission layer between the first electrode and the second electrode; an electron injection layer between the second electrode and the light emission layer; and a buffer layer between the electron injection layer and the second electrode, where the electron injection layer includes a dipolar material and a first metal, and the buffer layer includes a metal having a work function of 4.0 eV or less.
    Type: Application
    Filed: August 21, 2015
    Publication date: July 21, 2016
    Inventors: Seok Gyu Yoon, Dong Chan Kim, Eung Do Kim, Bo Ra Jung, Kyu Hwan Hwang, Sung Chul Kim, Won-Jong Kim, Young-Woo Song, Jong Hyuk Lee
  • Publication number: 20160190501
    Abstract: An organic light emitting diode and an organic light emitting display device, the organic light emitting diode including a first electrode and a second electrode facing each other; an emission layer between the first electrode and the second electrode; and a hole transport layer between the first electrode and the emission layer, wherein the hole transport layer includes an organic material and a dipole material, the dipole material including a first component and a second component, the first component having a polarity different from that of the second component and the first component and the second component being combined with each other.
    Type: Application
    Filed: August 13, 2015
    Publication date: June 30, 2016
    Inventors: Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM, Chang Woong CHU
  • Publication number: 20160155979
    Abstract: An organic light emitting diode display, including a substrate; a thin film transistor on the substrate; a first electrode on the thin film transistor and electrically connected to the thin film transistor; an organic emission layer on the first electrode; a second electrode on the organic emission layer; and a first capping layer on the second electrode and a second capping layer on the first capping layer, the second capping layer being thicker than the first capping layer.
    Type: Application
    Filed: October 8, 2015
    Publication date: June 2, 2016
    Inventors: Sang Hoon YIM, Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Jong Hyuk LEE, Da Hea IM, Yoon Hyeung CHO, Chang Woong CHU
  • Publication number: 20160099431
    Abstract: An organic light emitting element is provided. An organic light emitting element according to an exemplary embodiment includes: a first electrode and a second electrode that face each other; an emission layer provided between the first electrode and the second electrode; and an electron injection layer provided between the second electrode and the emission layer, wherein the electron injection layer includes Ca, and the second electrode includes a first material including at least one of Ag, Al, and Mg and a second material including at least one of Yb, Ca, Sm, Eu, Tb, Sr, Ba, La, and Ce.
    Type: Application
    Filed: June 5, 2015
    Publication date: April 7, 2016
    Inventors: Eung Do KIM, Dong Chan KIM, Won Jong KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM
  • Publication number: 20160087238
    Abstract: An organic light emitting display apparatus, including a first electrode; a second electrode on the first electrode, the second electrode including silver and magnesium; an organic emission layer between the first electrode and the second electrode; a metal layer between the organic emission layer and the second electrode; and a barrier layer between the organic emission layer and the second electrode.
    Type: Application
    Filed: December 8, 2015
    Publication date: March 24, 2016
    Inventors: Seok-Gyu YOON, Kyu-Hwan HWANG, Dong-Chan KIM, Eung-Do KIM, Dong-Kyu SEO, Bo-Ra JUNG, Won-Jong KIM, Young-Woo SONG, Eui-Jin YOO, Jong-Hyuk LEE
  • Patent number: 9293725
    Abstract: An organic light-emitting device and a method of producing the same, the device including a substrate; a first electrode layer on the substrate; an emission layer on the first electrode layer; an electron transport layer on the emission layer, the electron transport layer including first electron transport layers and a second electron transport layer between the first electron transport layers and the second electron transport layer including a lanthanide metal; and a second electrode layer on the electron transport layer.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Eung-Do Kim
  • Publication number: 20160056400
    Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.
    Type: Application
    Filed: August 10, 2015
    Publication date: February 25, 2016
    Inventors: Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM, Chang Woong CHU
  • Publication number: 20160056403
    Abstract: An organic light emitting diode, including a first electrode and a second electrode facing each other; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a metal having a work function of 4.0 eV or less and a dipole material including a first component and a second component having different polarities.
    Type: Application
    Filed: June 10, 2015
    Publication date: February 25, 2016
    Inventors: Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM, Chang Woong CHU
  • Publication number: 20160056387
    Abstract: An organic light emitting diode, including a first electrode and a second electrode facing each other; an emission layer between the first electrode and the second electrode; and a hole injection layer between the first electrode and the emission layer, the hole injection layer including a dipole material including a first component and a second component that have different polarities.
    Type: Application
    Filed: June 11, 2015
    Publication date: February 25, 2016
    Inventors: Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM, Chang Woong CHU
  • Publication number: 20160056404
    Abstract: An organic light emitting element, includes a first electrode and a second electrode facing each other; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including an oxide having a relative dielectric constant of 10 or more and a metal having a work function of 4.0 eV or less.
    Type: Application
    Filed: June 5, 2015
    Publication date: February 25, 2016
    Inventors: Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Jong Hyuk LEE, Sang Hoon YIM, Chang Woong CHU
  • Patent number: 9257672
    Abstract: An organic light emitting display apparatus, including a first electrode; a second electrode on the first electrode, the second electrode including silver and magnesium; an organic emission layer between the first electrode and the second electrode; a metal layer between the organic emission layer and the second electrode; and a barrier layer between the organic emission layer and the second electrode.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seok-Gyu Yoon, Kyu-Hwan Hwang, Dong-Chan Kim, Eung-Do Kim, Dong-Kyu Seo, Bo-Ra Jung, Won-Jong Kim, Young-Woo Song, Eui-Jin Yoo, Jong-Hyuk Lee
  • Patent number: 9231225
    Abstract: An organic light-emitting device may include a substrate; an anode on the substrate; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region. The electron transport region may include an electron injection layer including a first component which is a salt chloride and a second component which is at least one metal selected from ytterbium (Yb), scandium (Sc), vanadium (V), yttrium (Y), indium (In), cerium (Ce), samarium (Sm), europium (Eu), and terbium (Tb). In addition, the cathode may contacts the electron injection layer and may include an alloy of a first cathode metal including at least one of Ag, Au, Pt, Cu, Mn, Ti, Co, Ni, and W, and a second cathode metal including least one of Yb, Sc, V, Y, In, Ce, Sm, Eu, and Tb.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eung-Do Kim, Dong-Chan Kim, Won-Jong Kim, Dong-Kyu Seo, Seok-Gyu Yoon
  • Patent number: 9231224
    Abstract: An organic light emitting diode (OLED) display is provided. An OLED display in accordance with an exemplary embodiment may include a substrate including a first subpixel, a second subpixel, and a third subpixel, a first electrode disposed on each of the first subpixel, the second subpixel, and the third subpixel, a second electrode facing the first electrode, a first common layer disposed on the first subpixel and the second subpixel, a first emission layer and a second emission layer disposed on the first common layer, a second common layer disposed on the third subpixel, and a third emission layer disposed on the second common layer. The first common layer may include a first doping layer and a second doping layer disposed on the first doping layer. Each of the doping layers may including a p-type dopant, and the second common layer may be formed as a single layer.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seok-Gyu Yoon, Kyu-Hwan Hwang, Eung-Do Kim, Dong-Chan Kim, Dong-Kyu Seo, Bo-Ra Jung, Won-Jong Kim, Young-Woo Song, Jong-Hyuk Lee, Da-Hea Im
  • Publication number: 20150364715
    Abstract: An organic light-emitting device with a plurality of subpixels, each subpixel including an emission region and a non-emission region, the organic light-emitting device including a substrate; an anode on the substrate, the anode including patterns that separately correspond to respective ones of the plurality of subpixels; an organic layer on the anode, the organic layer being common to the plurality of subpixels; and a cathode on the organic layer, the cathode including a plurality of subcathodes that each correspond to at least one of the subpixels and that allow light to pass through in emission regions, wherein adjacent two of the subcathodes overlap with each other in non-emission regions.
    Type: Application
    Filed: November 21, 2014
    Publication date: December 17, 2015
    Inventors: Seok-Gyu YOON, Dong-Chan KIM, Won-Jong KIM, Eung-Do KIM, Dong-Kyu SEO, Young-Woo SONG, Da-Hea IM, Bo-Ra JUNG
  • Publication number: 20150301588
    Abstract: A method and an apparatus for controlling a sleep mode in an electronic device are provided. The method for controlling the sleep mode in the electronic device includes determining whether a sleep mode entry occurs, identifying an application running when the sleep mode entry occurs, and selectively restricting the sleep mode entry based on the identified application.
    Type: Application
    Filed: March 10, 2015
    Publication date: October 22, 2015
    Inventors: Hee-Young JEONG, Eung-Do KIM, Seung-Jin BEAK
  • Publication number: 20150263306
    Abstract: An organic light-emitting device may include a substrate; an anode on the substrate; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region. The electron transport region may include an electron injection layer including a first component which is a salt chloride and a second component which is at least one metal selected from ytterbium (Yb), scandium (Sc), vanadium (V), yttrium (Y), indium (In), cerium (Ce), samarium (Sm), europium (Eu), and terbium (Tb). In addition, the cathode may contacts the electron injection layer and may include an alloy of a first cathode metal including at least one of Ag, Au, Pt, Cu, Mn, Ti, Co, Ni, and W, and a second cathode metal including least one of Yb, Sc, V, Y, In, Ce, Sm, Eu, and Tb.
    Type: Application
    Filed: July 17, 2014
    Publication date: September 17, 2015
    Inventors: Eung-Do KIM, Dong-Chan KIM, Won-Jong KIM, Dong-Kyu SEO, Seok-Gyu YOON
  • Publication number: 20150255744
    Abstract: An organic light emitting diode includes a first electrode including a first electrode including a reflective metal layer formed of a light-reflective metal, an upper transparent conductive layer positioned on the reflective metal layer, and a protective layer positioned on the upper transparent conductive layer; an organic emission layer positioned on the first electrode; and a second electrode positioned on the organic emission layer, wherein the upper transparent conductive layer is amorphous.
    Type: Application
    Filed: May 18, 2015
    Publication date: September 10, 2015
    Inventors: Dong-Chan KIM, Jong-Hyuk LEE, Young-Woo SONG, Won-Jong KIM, Kyu-Hwan HWANG, Seok-Gyu YOON, Eung-Do KIM, Bo-Ra JUNG, Dong-Kyu SEO
  • Publication number: 20150236296
    Abstract: Provided is an organic light-emitting display apparatus that includes a substrate; a first electrode on the substrate; an intermediate layer on the first electrode and including an organic emission layer; and a second electrode that includes a first layer including a dipole material, a second layer including a material having a work function of 3.6 eV or less, and a third layer including a conductive material, wherein the first to third layers are sequentially disposed on the intermediate layer.
    Type: Application
    Filed: December 30, 2014
    Publication date: August 20, 2015
    Inventors: Seok-Gyu YOON, Dong-Chan KIM, Won-Jong KIM, Eung-Do KIM, Dong-Kyu SEO, Young-Woo SONG, Jong-Hyuk LEE
  • Patent number: 9099416
    Abstract: An organic light-emitting device including a first sub-pixel, a second sub-pixel, and a third sub-pixel on a substrate; a plurality of first electrodes in the first sub-pixel, the second sub-pixel, and the third sub-pixel, respectively; a second electrode being a sub-common layer to the first sub-pixel and the second sub-pixel and facing the first electrodes of the first sub-pixel and the second sub-pixel; and a third electrode in the third sub-pixel and facing the first electrode of the third sub-pixel is disclosed.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: August 4, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Ra Jung, Seok-Gyu Yoon, Dong-Chan Kim, Won-Jong Kim, Eung-Do Kim, Dong-Kyu Seo, Da-Hea Im, Kyu-Hwan Hwang, Young-Woo Song, Jong-Hyuk Lee