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: 9660214
    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: Grant
    Filed: August 13, 2015
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Da Hea Im, Sang Hoon Yim, Chang Woong Chu
  • Publication number: 20170125720
    Abstract: An organic light emitting element according to an exemplary embodiment of the present disclosure includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode, an electron injection layer between the second electrode and the emission layer, and a barrier layer between the electron injection layer and the second electrode, wherein a work function of the barrier layer is larger than a work function of the second electrode.
    Type: Application
    Filed: July 12, 2016
    Publication date: May 4, 2017
    Inventors: Dong Kyu Seo, Dong Chan Kim, Won Jong Kim, Eung Do Kim, Jong Hyuk Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Chang Woong Chu, Won Suk Han
  • Publication number: 20170125497
    Abstract: An organic light emitting diode display, according to an exemplary embodiment of the present invention, includes: a substrate; a thin film transistor on the substrate; an organic light emitting diode connected to the thin film transistor; and a capping layer on the organic light emitting diode. The capping layer includes metal hydride.
    Type: Application
    Filed: June 8, 2016
    Publication date: May 4, 2017
    Inventors: Eung Do Kim, Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
  • Patent number: 9627644
    Abstract: In an aspect, an organic light emitting diode device including a first electrode, a second electrode facing the first electrode, and an emission layer positioned between the first electrode and second electrode, wherein the first electrode includes samarium (Sm) is provided.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: April 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Ra Jung, Kyu-Hwan Hwang, Seok-Gyu Yoon, Eung-Do Kim, Dong-Chan Kim, Won-Jong Kim, Young-Woo Song, Jong-Hyuk Lee, Sung-Chul Kim
  • Patent number: 9608227
    Abstract: An organic light emitting diode (OLED) display includes: a thin film transistor on the substrate; a first electrode electrically connected to the thin film transistor; a hole injection layer on the first electrode; an emission layer on the hole injection layer; an electron injection layer on the emission layer; a first intermediate layer on the electron injection layer; and a second electrode on the first intermediate layer.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: March 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Won Jong Kim, Won Suk Han, Eung Do Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim
  • Patent number: 9595688
    Abstract: An organic light emitting diode includes: a first electrode; a second electrode, the first electrode and the second electrode facing 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 at least one of the first electrode and the second electrode includes: a first material that is one of a group-1 metal based halogen dipole material, a group-2 metal based halogen dipole material, a lanthanide metal based halogen dipole material, or a transition, metal based halogen dipole material; and a second material that is a metal reacting to the first material.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: March 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Sang Hoon Yim, Won Suk Han
  • Publication number: 20170069871
    Abstract: A transparent display device includes a substrate having a pixel area and a transmission area, a pixel circuit in the pixel area of the substrate, an insulation structure covering the pixel circuit on the substrate, a first electrode in the pixel area of the substrate and extending at least partially through the insulation structure to be electrically connected to the pixel circuit, a display layer on the first electrode, a second electrode facing the first electrode with respect to the display layer, and a capping layer on the second electrode. The capping layer continuously extends into the pixel area and the transmission area. The capping layer has a thickness in a range from about 350 ? to about 700 ?.
    Type: Application
    Filed: July 20, 2016
    Publication date: March 9, 2017
    Inventors: Sang-Hoon YIM, Dong-Chan KIM, Won-Jong KIM, Eung-Do KIM, Dong-Kyu SEO, Ji-Hye LEE, Da-Hea IM, Yoon-Hyeung CHO, Chang-Woong CHU, Won-Suk HAN
  • Patent number: 9590203
    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: Grant
    Filed: November 21, 2014
    Date of Patent: March 7, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    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: 20170033170
    Abstract: An organic light emitting diode display includes: a first substrate; a switching thin film transistor on the first substrate; a driving thin film transistor on the first substrate; an organic light emitting diode connected to the driving thin film transistor; and a capping layer on the organic light emitting diode, the capping layer including an anisotropic material having a refractive index in a horizontal direction that is greater than a refractive index in a vertical direction.
    Type: Application
    Filed: February 3, 2016
    Publication date: February 2, 2017
    Inventors: Eung Do Kim, Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
  • Publication number: 20170025631
    Abstract: An organic light emitting element according to an example embodiment of the present disclosure includes: an anode and a cathode facing each other; an emission layer between the anode and the cathode; an electron transfer layer between the emission layer and the cathode; and a buffer layer between the cathode and the electron transfer layer, wherein the buffer layer includes an inorganic metal halide having p-type semiconductor characteristics.
    Type: Application
    Filed: March 24, 2016
    Publication date: January 26, 2017
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
  • Patent number: 9548470
    Abstract: In an aspect, an organic light emitting diode device including a first electrode, a second electrode facing the first electrode, and an emission layer positioned between the first electrode and second electrode, wherein the first electrode includes samarium (Sm) is provided.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: January 17, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Ra Jung, Kyu-Hwan Hwang, Seok-Gyu Yoon, Eung-Do Kim, Dong-Chan Kim, Won-Jong Kim, Young-Woo Song, Jong-Hyuk Lee, Sung-Chul Kim
  • Publication number: 20160380235
    Abstract: An organic light emitting diode display including: a substrate; an organic light emitting diode on the substrate; a capping layer on the organic light emitting diode and including a high refractive layer including an inorganic material having a refractive index that is equal to or greater than about 1.7 and equal to or less than about 6.0; and a thin film encapsulation layer covering the capping layer and the organic light emitting diode, the inorganic material including at least one selected from the group consisting of CuI, thallium iodide (TlI), BaS, Cu2O, CuO, BiI, WO3, TiO2, AgI, CdI2, HgI2, SnI2, PbI2, BiI3, ZnI2, MoO3, Ag2O, CdO, CoO, Pr2O3, SnS, PbS, CdS, CaS, ZnS, ZnTe, PbTe, CdTe, SnSe, PbSe, CdSe, AlAs, GaAs, InAs, GaP, InP, AlP, AlSb, GaSb, and InSb.
    Type: Application
    Filed: March 31, 2016
    Publication date: December 29, 2016
    Inventors: Won Jong KIM, Dong Chan KIM, Eung Do KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM, Yoon Hyeung CHO, Won Suk HAN
  • Publication number: 20160380231
    Abstract: An organic light emitting diode (OLED) display according to the present disclosure includes a substrate, a thin film transistor on the substrate, a first electrode on the thin film transistor and electrically coupled to the thin film transistor, an organic emission layer on the first electrode, a second electrode on the organic emission layer, and a capping layer on the second electrode, wherein a thickness of the second electrode is about 65 ? to about 125 ?, and wherein a thickness of the capping layer is about (500*1.88/n) ? to about (700*1.88/n) ?, n being an optical constant of the capping layer.
    Type: Application
    Filed: January 8, 2016
    Publication date: December 29, 2016
    Inventors: Sang Hoon Yim, Dong Chan Kim, Won Jong Kim, Eung Do Kim, Jae Bok Kim, Dong Kyu Seo, Won Jun Song, Ji Hye Lee, Da Hea Im, Yoon Hyeung Cho, Won Suk Han
  • Publication number: 20160365529
    Abstract: An organic light emitting diode according to an example embodiment of the present disclosure includes: a first electrode; a second electrode facing the first electrode; 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 includes a first halogen dipole material based on a transition or post-transition metal I, and a second halogen dipole material based on a metal having a work function of 4.0 eV or less.
    Type: Application
    Filed: March 21, 2016
    Publication date: December 15, 2016
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Da Hea IM, Sang Hoon Yim, Won Suk Han
  • Publication number: 20160351819
    Abstract: An organic light emitting diode includes: a first electrode and a second electrode that face each other; a middle layer on the first electrode; a hole transport layer on the middle layer; and an emission layer between the hole transport layer and the second electrode, wherein the middle layer includes a bipolar material formed by combining a first material including at least selected from a group 1 element, a group 2 element, a lanthanide metal, with a second material including a halogen element.
    Type: Application
    Filed: January 22, 2016
    Publication date: December 1, 2016
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Won Suk Han
  • Publication number: 20160351845
    Abstract: An organic light emitting diode (OLED) display includes: a thin film transistor on the substrate; a first electrode electrically connected to the thin film transistor; a hole injection layer on the first electrode; an emission layer on the hole injection layer; an electron injection layer on the emission layer; a first intermediate layer on the electron injection layer; and a second electrode on the first intermediate layer.
    Type: Application
    Filed: February 2, 2016
    Publication date: December 1, 2016
    Inventors: Dong Chan KIM, Won Jong KIM, Won Suk HAN, Eung Do KIM, Dong Kyu SEO, Ji Hye LEE, Sang Hoon YIM
  • Publication number: 20160329521
    Abstract: An organic light emitting diode display includes: a substrate; an organic light emitting element on the substrate; and a capping layer on the organic light emitting element and including a high refraction layer formed of an inorganic material having a refractive index which is equal to or greater than about 1.7 and equal to or less than about 6.0, wherein the inorganic material includes at least one selected from CuI, thallium iodide (TlI), AgI, CdI2, HgI2, SnI2, PbI2, BiI3, ZnI2, MnI2, FeI2, CoI2, NiI2, aluminium iodide (AlI3), thorium(IV) iodide (ThI4), uranium triiodide (UI3), MgS, MgSe, MgTe, CaS, CaSe, CaTe, SrS, SrSe, SrTe, BaS, BaSe, BaTe, SnS, PbS, CdS, CaS, ZnS, ZnTe, PbTe, CdTe, SnSe, PbSe, CdSe, CuO, Cu2O, WO3, MoO3, SnO2, Nb2O5, Ag2O, CdO, CoO, Pr2O3, Bi2O3, Fe2O3, AlAs, GaAs, InAs, GaP, InP, AlP, AlSb, GaSb, and InSb.
    Type: Application
    Filed: December 30, 2015
    Publication date: November 10, 2016
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
  • Publication number: 20160300893
    Abstract: An organic light emitting diode display including a substrate, a thin film transistor on the substrate, a first electrode connected to the thin film transistor, a first layer on the first electrode, an emission layer on the first layer, a second layer on the emission layer, and a second electrode on the second layer.
    Type: Application
    Filed: October 5, 2015
    Publication date: October 13, 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: 20160285035
    Abstract: An organic light emitting diode includes: a first electrode; a second electrode, the first electrode and the second electrode facing 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 at least one of the first electrode and the second electrode includes: a first material that is one of a group-1 metal based halogen dipole material, a group-2 metal based halogen dipole material, a lanthanide metal based halogen dipole material, or a transition, metal based halogen dipole material; and a second material that is a metal reacting to the first material.
    Type: Application
    Filed: October 23, 2015
    Publication date: September 29, 2016
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Sang Hoon Yim, Won Suk Han
  • Patent number: 9450200
    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: Grant
    Filed: May 18, 2015
    Date of Patent: September 20, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    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