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).

  • Publication number: 20150200379
    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: Application
    Filed: March 26, 2015
    Publication date: July 16, 2015
    Inventor: Eung-Do KIM
  • Patent number: 9070903
    Abstract: A quantum-dots containing multi-component inorganic oxide thin film is provided to include an amorphous inorganic oxide bulk region and a plurality of crystalline inorganic oxide regions, wherein the crystalline inorganic oxide regions are discontinuously formed to be surrounded by the amorphous inorganic oxide of the bulk region.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: June 30, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Seok Gyu Yoon, Kyu Hwan Hwang, Eung Do Kim, Bo Ra Jung, Dong Kyu Seo, Won Jong Kim, Young Woo Song, Jong Hyuk Lee
  • Publication number: 20150144903
    Abstract: An organic light emitting diode device includes an emission layer between first and second electrodes, a first auxiliary layer, and a second auxiliary layer. The first electrode includes a silver-magnesium alloy having a greater content of silver than magnesium. The first auxiliary layer is between the first electrode and emission layer, and includes an inorganic material. The second auxiliary layer is between the first electrode and first auxiliary layer, and includes a material having a work function of less than or equal to about 4.0 eV.
    Type: Application
    Filed: August 14, 2014
    Publication date: May 28, 2015
    Inventors: Seok Gyu YOON, Dong Chan KIM, Eung Do KIM, Dong Kyu SEO, Bo Ra JUNG, Kyu Hwan HWANG, Won-Jong KIM, Young-Woo SONG, Jong Hyuk LEE
  • Patent number: 9035288
    Abstract: An organic light emitting diode includes a first electrode including a reflective metal layer of a light-reflective metal, an upper transparent conductive layer on the reflective metal layer, and an amorphous oxide layer on the upper transparent conductive layer, an organic emission layer on the first electrode, and a second electrode on the organic emission layer.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: May 19, 2015
    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
  • Publication number: 20150102305
    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: Application
    Filed: July 21, 2014
    Publication date: April 16, 2015
    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
  • Publication number: 20150069359
    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: September 8, 2014
    Publication date: March 12, 2015
    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: 20150048325
    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: Application
    Filed: May 21, 2014
    Publication date: February 19, 2015
    Applicant: 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
  • Patent number: 8957443
    Abstract: An organic light-emitting display apparatus is provided. The organic light-emitting display apparatus includes: a pixel electrode for reflecting incident light and located on a substrate including a thin film transistor (TFT), and electrically connected to the TFT; an organic layer on the pixel electrode and including an emission layer; and an opposite electrode on the organic layer and including a resonant region for forming a resonant structure with the pixel electrode by reflecting light emitted from the emission layer, and a non-resonant region that is a region other than the resonant region.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: February 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu-Hwan Hwang, Seok-Gyu Yoon, Eung-Do Kim, Dong-Chan Kim, Bo-Ray Jung, Won-Jong Kim, Young-Woo Song, Jong-Hyuk Lee, Sung-Chul Kim
  • Publication number: 20140339511
    Abstract: A quantum-dots containing multi-component inorganic oxide thin film is provided to include an amorphous inorganic oxide bulk region and a plurality of crystalline inorganic oxide regions, wherein the crystalline inorganic oxide regions are discontinuously formed to be surrounded by the amorphous inorganic oxide of the bulk region.
    Type: Application
    Filed: September 17, 2013
    Publication date: November 20, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dong Chan KIM, Seok Gyu YOON, Kyu Hwan HWANG, Eung Do KIM, Bo Ra JUNG, Dong Kyu SEO, Won Jong KIM, Young Woo SONG, Jong Hyuk LEE
  • Patent number: 8879025
    Abstract: A transparent display device for enhancing optical transmissivity in a transparent mode, is discussed. The transparent display device may include a liquid crystal panel; a light source disposed at one side of a lower portion of the liquid crystal panel to emit light; a first polarizing plate for polarizing the light emitted from the light source; a light guide plate disposed at a lower portion of the liquid crystal panel to totally reflect the light polarized to an axis by the first polarizing plate to a lateral surface thereof and supply to the liquid crystal panel, and transmit natural light entered from a lower direction therethrough; and a second polarizing plate disposed at an upper portion of the liquid crystal panel to control the amount of polarized light passing through the liquid crystal panel.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: November 4, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jong-Sin Park, Eung-Do Kim, Se-Hong Park, Kyung-Ha Lee
  • Patent number: 8860909
    Abstract: Disclosed is a transparent display device in which the total refection efficiency of a light guide plate supplying light to a liquid crystal display panel is enhanced thereby enhancing luminance in the image mode, and the transparent display device may include a liquid crystal display panel; a light source disposed at one side of a lower portion of the liquid crystal display panel to emit light; a first polarizing plate for polarizing the light emitted from the light source; a light guide plate disposed at a lower portion of the liquid crystal display panel to totally reflect the light polarized to an axis by the first polarizing plate to a lateral surface thereof and supply to the liquid crystal display panel, and transmit natural light entered from a lower direction therethrough; a plurality of air layers formed inside the light guide plate to totally reflect incident light; and a second polarizing plate disposed at an upper portion of the liquid crystal display panel to control the amount of polarized ligh
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: October 14, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Eung-Do Kim, Se-Hong Park
  • Patent number: 8848133
    Abstract: The present disclosure relates to a hybrid type liquid crystal display device. The present disclosure suggests a hybrid type liquid crystal display device comprising a liquid crystal display panel having a display area; and a window area defined within the display area, wherein an image disposed at outside of the liquid crystal display panel is shown in front of the liquid crystal panel through the window area. The present disclosure suggests a hybrid type display device in which main video data is represented using the liquid crystal display device, an additional image represented on an external screen is shown through the liquid crystal display device, or the external image can be shown by overlapping with the main video data of the liquid crystal display device, as needed.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: September 30, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Se-Hong Park, Eung-Do Kim, Jong-Sin Park
  • Publication number: 20140225081
    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: Application
    Filed: September 18, 2013
    Publication date: August 14, 2014
    Applicant: 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: 20140186983
    Abstract: A method of cleaning a mask includes preparing a mask on which a first metal layer and a second metal layer are stacked sequentially, and lifting off the second metal layer by removing the first metal layer.
    Type: Application
    Filed: July 17, 2013
    Publication date: July 3, 2014
    Inventors: Eung Do KIM, Won Jong KIM, Kyu Hwan HWANG, Seok Gyu YOON, Dong Chan KIM, Bo Ra JUNG, Dong Kyu SEO, Young Woo SONG, Jong Hyuk LEE
  • Publication number: 20140138639
    Abstract: An organic light emitting diode includes a first electrode including a reflective metal layer of a light-reflective metal, an upper transparent conductive layer on the reflective metal layer, and an amorphous oxide layer on the upper transparent conductive layer, an organic emission layer on the first electrode, and a second electrode on the organic emission layer.
    Type: Application
    Filed: May 23, 2013
    Publication date: May 22, 2014
    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: 8687150
    Abstract: Disclosed is a liquid crystal display module that improves luminance of a liquid crystal panel by enhancing a light transmittance. The liquid crystal display module comprises a liquid crystal panel with plural unit pixels for converting incident light into colored light, wherein each unit pixel includes red (R), green (G), blue (B), and white (W) sub-pixels; a light source for supplying light to the liquid crystal panel; an optical member for guiding light emitted from the light source toward a frontal direction of the liquid crystal panel; and a polarizing means including a polarization area for polarizing the light outgoing from the liquid crystal panel, and a hole for transmitting the light therethrough.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: April 1, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jong Sin Park, Eung Do Kim, Se Hong Park, Kyung Ha Lee
  • Patent number: 8659723
    Abstract: A liquid crystal display module is disclosed, which facilitates to improve luminance of a liquid crystal panel by enhancing a light transmittance, the liquid crystal display module comprising a liquid crystal panel with plural unit pixels, wherein each unit pixel includes red(R), green(G), blue(B), and white(W) sub-pixels, for converting incident light into colored light; a light source for supplying light to the liquid crystal panel; a light-guiding plate for changing a horizontal direction of incident light from the light source into a vertical direction; and a polarizing plate including a polarization area for polarizing the light outgoing from the liquid crystal panel, and a hole for transmitting the light therethrough.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: February 25, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jong Sin Park, Eung Do Kim, Se Hong Park, Kyung Ha Lee
  • Patent number: 8638411
    Abstract: Disclosed is a transparent liquid crystal display device provided with a compensation film of a liquid crystal panel to change the polarizing state of light in an image mode thereby enhancing a viewing angle characteristic, and the transparent liquid crystal display device may include a liquid crystal panel; a light source disposed at one side of a lower portion of the liquid crystal panel to emit light; a first polarizing plate for polarizing the light emitted from the light source; a light guide plate disposed at a lower portion of the liquid crystal panel to totally reflect the light polarized to an axis by the first polarizing plate to a lateral surface thereof and supply to the liquid crystal panel, and transmit natural light entered from a lower direction therethrough; a second polarizing plate disposed at an upper portion of the liquid crystal panel to control the amount of polarized light transmitting the liquid crystal panel; and a first positive A-film disposed at a lower portion of the liquid cryst
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: January 28, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Se-Hong Park, Eung-Do Kim, Jong-Sin Park
  • Publication number: 20140014910
    Abstract: An organic light-emitting display apparatus is provided. The organic light-emitting display apparatus includes: a pixel electrode for reflecting incident light and located on a substrate including a thin film transistor (TFT), and electrically connected to the TFT; an organic layer on the pixel electrode and including an emission layer; and an opposite electrode on the organic layer and including a resonant region for forming a resonant structure with the pixel electrode by reflecting light emitted from the emission layer, and a non-resonant region that is a region other than the resonant region.
    Type: Application
    Filed: December 12, 2012
    Publication date: January 16, 2014
    Applicant: SAMSUNG DISPLAY CO. LTD.
    Inventors: Kyu-Hwan Hwang, Seok-Gyu Yoon, Eung-Do Kim, Dong-Chan Kim, Bo-Ray Jung, Won-Jong Kim, Young-Woo Song, Jong-Hyuk Lee, Sung-Chul Kim
  • Publication number: 20130313527
    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: Application
    Filed: October 2, 2012
    Publication date: November 28, 2013
    Inventor: Eung-Do KIM