Patents by Inventor Seok-Gyu Yoon

Seok-Gyu Yoon 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: 20210036060
    Abstract: A display device includes a display substrate, a light emitting element layer disposed on a surface of the display substrate and including display pixels, a sensing substrate having a surface attached to another surface of the display substrate, a sensing element layer disposed on another surface of the sensing substrate and including sending pixels that each sense light of a color, and a photorefractive layer disposed on the sensing element layer and including micro lenses.
    Type: Application
    Filed: March 25, 2020
    Publication date: February 4, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyeon Gu CHO, Min Soo CHOI, Seok Gyu YOON, Jae Jin LYU
  • Patent number: 10658595
    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: May 24, 2019
    Date of Patent: May 19, 2020
    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: 10541291
    Abstract: An organic light-emitting display device includes a first substrate having transmitting regions and pixel regions separated from each other by the transmitting regions, a plurality of thin film transistors on the first substrate in the pixel regions, a passivation layer covering the plurality of thin film transistors, a plurality of pixel electrodes on the passivation layer and electrically connected to the thin film transistors, the pixel electrodes being in the pixel regions and overlapping the thin film transistors, an opposite electrode in the transmitting regions and the pixel regions, the opposite electrode facing the plurality of pixel electrodes and being configured to transmit light, an organic emission layer interposed between the pixel electrodes and the opposite electrode, and a color filter in corresponding pixel regions.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: January 21, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Heung Ha, Kyu-Hwan Hwang, Seok-Gyu Yoon, Young-Woo Song, Jong-Hyuk Lee
  • Publication number: 20190280210
    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: May 24, 2019
    Publication date: September 12, 2019
    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: 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: 9949336
    Abstract: An organic light emitting diode device includes a first electrode, a second electrode opposite the first electrode, and an emission layer between the first and second electrodes. The first electrode includes a Ag—Mg alloy including a greater amount of Ag than Mg.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: April 17, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Gyu Yoon, Dong Chan Kim, Sung Chul Kim, Won Jong Kim, Eung Do Kim, Young Woo Song, Jong Hyuk Lee, Bo Ra Jung, Kyu Hwan Hwang
  • Publication number: 20170256598
    Abstract: An organic light-emitting display device includes a first substrate having transmitting regions and pixel regions separated from each other by the transmitting regions, a plurality of thin film transistors on the first substrate in the pixel regions, a passivation layer covering the plurality of thin film transistors, a plurality of pixel electrodes on the passivation layer and electrically connected to the thin film transistors, the pixel electrodes being in the pixel regions and overlapping the thin film transistors, an opposite electrode in the transmitting regions and the pixel regions, the opposite electrode facing the plurality of pixel electrodes and being configured to transmit light, an organic emission layer interposed between the pixel electrodes and the opposite electrode, and a color filter in corresponding pixel regions.
    Type: Application
    Filed: May 16, 2017
    Publication date: September 7, 2017
    Inventors: Jae-Heung HA, Kyu-Hwan HWANG, Seok-Gyu YOON, Young-Woo SONG, Jong-Hyuk LEE
  • Patent number: 9666654
    Abstract: An organic light-emitting display device includes a first substrate having transmitting regions and pixel regions separated from each other by the transmitting regions, a plurality of thin film transistors on the first substrate in the pixel regions, a passivation layer covering the plurality of thin film transistors, a plurality of pixel electrodes on the passivation layer and electrically connected to the thin film transistors, the pixel electrodes being in the pixel regions and overlapping the thin film transistors, an opposite electrode in the transmitting regions and the pixel regions, the opposite electrode facing the plurality of pixel electrodes and being configured to transmit light, an organic emission layer interposed between the pixel electrodes and the opposite electrode, and a color filter in corresponding pixel regions.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Heung Ha, Kyu-Hwan Hwang, Seok-Gyu Yoon, Young-Woo Song, Jong-Hyuk Lee
  • 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: 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
  • Patent number: 9570706
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display comprises a display substrate, an encapsulation substrate, and at least one spacer. The display substrate includes a non-pixel area, wherein a plurality of via holes is formed in the non-pixel area. The encapsulation substrate is formed over the display substrate. The spacer is formed between the display substrate and the encapsulation substrate so as to maintain a gap therebetween, wherein the spacer at least partially covers at least one of a plurality of via holes.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Hoon Yim, Won-Jong Kim, Dong-Kyu Seo, Young-Woo Song, Seok-Gyu Yoon, Jong-Hyuk Lee
  • 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
  • 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
  • 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: 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
  • Publication number: 20160043156
    Abstract: An organic light-emitting display device includes a first substrate having transmitting regions and pixel regions separated from each other by the transmitting regions, a plurality of thin film transistors on the first substrate in the pixel regions, a passivation layer covering the plurality of thin film transistors, a plurality of pixel electrodes on the passivation layer and electrically connected to the thin film transistors, the pixel electrodes being in the pixel regions and overlapping the thin film transistors, an opposite electrode in the transmitting regions and the pixel regions, the opposite electrode facing the plurality of pixel electrodes and being configured to transmit light, an organic emission layer interposed between the pixel electrodes and the opposite electrode, and a color filter in corresponding pixel regions.
    Type: Application
    Filed: October 15, 2015
    Publication date: February 11, 2016
    Inventors: Jae-Heung HA, Kyu-Hwan HWANG, Seok-Gyu YOON, Young-Woo SONG, Jong-Hyuk LEE
  • 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