Patents by Inventor Dong-Chan Kim

Dong-Chan 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).

  • Publication number: 20190273220
    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, BiIa, 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: May 20, 2019
    Publication date: September 5, 2019
    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
  • Patent number: 10403851
    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, aluminum 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: Grant
    Filed: December 30, 2015
    Date of Patent: September 3, 2019
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 10374189
    Abstract: An opto-electronic element according to an exemplary embodiment of the present disclosure includes a transparent conductive layer including a first material made of a metal and a second material made of a metal halide.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: August 6, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Dong Chan Kim
  • Patent number: 10367163
    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: Grant
    Filed: June 11, 2015
    Date of Patent: July 30, 2019
    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
  • Patent number: 10361400
    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: Grant
    Filed: March 31, 2016
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 10333092
    Abstract: An organic light emitting diode 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, and an auxiliary layer between the anode and the emission layer and/or between the cathode and the emission layer, wherein the auxiliary layer includes a ternary compound including a halogen element.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: June 25, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Dong Chan Kim
  • Publication number: 20190189946
    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: February 21, 2019
    Publication date: June 20, 2019
    Inventors: Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM, Chang Woong CHU
  • Patent number: 10305042
    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: Grant
    Filed: August 21, 2015
    Date of Patent: May 28, 2019
    Assignee: Samsung Display Co., Ltd.
    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
  • Patent number: 10283204
    Abstract: In a method of operating a nonvolatile memory device, a first sub-block to be erased is selected in a first memory block including the first sub-block and a second sub-block adjacent to the first sub-block, in response to a erase command and an address. The first sub-block includes memory cells connected to a plurality of word-lines including at least one boundary word-line adjacent to the second sub-block and internal word-lines other than the at least one boundary word-line. An erase voltage is applied to a substrate in which the first memory block is formed. Based on a voltage level of the erase voltage applied to the substrate, applying, a first erase bias condition to the at least one boundary word-line and a second erase bias condition different from the first erase bias condition to the internal word-lines during an erase operation being performed on the first sub-block.
    Type: Grant
    Filed: May 29, 2017
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Min Choi, Dong-Chan Kim, Ae-Jeong Lee, Moo-Rym Choi
  • Patent number: 10283734
    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: Grant
    Filed: October 8, 2015
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    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: 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
  • Patent number: 10254365
    Abstract: A magnetic resonance imaging apparatus includes a gradient magnetic field controller which applies a spatial encoding gradient to a plurality of slices and applies a gradient magnetic field in a first direction with respect to the plurality of slices, a radio frequency (RF) receiver which receives respective magnetic resonance signals from each of the plurality of slices undersampled in a second direction different from the first direction, and an image processor which generates a respective magnetic resonance image of each of the plurality of slices based on the magnetic resonance signals received from the plurality of slices.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: April 9, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun-wook Park, Dong-chan Kim, Chang-heun Oh, Hyun-seok Seo
  • Publication number: 20190096318
    Abstract: A light emitting diode and a display device, the light emitting diode including a first electrode; a second electrode overlapping the first electrode; and an emission layer positioned between the first electrode and the second electrode, wherein the emission layer includes a first material, the first material including an alkali metal halide, an alkaline earth metal halide, a transition metal halide, an alkali metal chalcogenide, or an alkaline earth metal chalcogenide, and a second material, the second material including a lanthanide metal or a compound of a lanthanide metal.
    Type: Application
    Filed: June 5, 2018
    Publication date: March 28, 2019
    Inventors: Dong Chan KIM, Byoung Duk LEE, Yoon Hyeung CHO
  • Patent number: 10236464
    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: Grant
    Filed: August 10, 2015
    Date of Patent: March 19, 2019
    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: 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: 20190077812
    Abstract: The present disclosure provides a method for preparing a 7?-alkoxyoxacephem intermediate compound, the method comprising a process (S1) including: reacting a compound represented by a following chemical formula 1 with a halogen compound in an organic solvent to form a reaction product such that unreacted halogen compound remains; and adding metal alkoxide and reducing agent to the reaction product with the unreacted halogen compound remaining, thereby to produce a compound represented by a following chemical formula 2: where R is a Cl, Br, I, halogen derivative, R1 is a carboxyl protecting group including diphenylmethyl, p-methoxybenzyl, p-nitrobenzyl or hydrogen (H), and R2 is an alkyl group having 1 to 4 carbon atoms.
    Type: Application
    Filed: August 22, 2018
    Publication date: March 14, 2019
    Inventor: Dong Chan KIM
  • Patent number: 10224109
    Abstract: A memory device, comprising: a memory cell array including a plurality of NAND strings, each NAND string including a plurality of memory cells respectively connected to a plurality of word lines vertically stacked on a substrate; and a control logic configured to generate a pre-programming control signal for memory cells of a first NAND string of the NAND strings such that, before erasing the memory cells of the first NAND string, pre-programming voltages applied to the word lines coupled to the corresponding memory cells of the first NAND string vary based on an operating characteristic of the corresponding memory cells.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: March 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon Kim, Dong-chan Kim, Ji-sang Lee
  • Publication number: 20190049633
    Abstract: A mirror substrate includes a transparent substrate, a plurality of first mirror patterns arranged on the transparent substrate and spaced apart from each other, each of the first mirror patterns including a phase compensation layer and a first mirror layer sequentially stacked on the transparent substrate, and a second mirror layer disposed on the transparent substrate and between neighboring ones of the first mirror patterns, the second mirror layer having a second thickness less than a first thickness of the first mirror layer.
    Type: Application
    Filed: October 18, 2018
    Publication date: February 14, 2019
    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, Won-Suk HAN
  • Patent number: 10170723
    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: Grant
    Filed: July 12, 2016
    Date of Patent: January 1, 2019
    Assignee: Samsung Display Co., Ltd.
    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: 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