Patents by Inventor Sang Kyoung Moon

Sang Kyoung Moon 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: 20250248204
    Abstract: A light emitting device can include a first electrode and a second electrode configured to face each other, and first to mth (m being a natural number of 3 or more) light emitting stacks provided between the first electrode and the second electrode. Each light emitting stack includes a light emitting layer configured to emit light of the same color. The light emitting device can further include first to (m?1)th charge generation layers provided between adjacent light emitting stacks among the first to mth light emitting stacks. Each of the light emitting layers provided in the first to mth light emitting stacks can be located in a resonance distance of an (m?1)th or less order.
    Type: Application
    Filed: January 6, 2025
    Publication date: July 31, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Sang Kyoung MOON, Bo A JIN, Seung Kwang ROH, Woo Chul CHOI, Chi Hak LEE, Min Gue SHIN
  • Publication number: 20240224687
    Abstract: An organic light emitting display panel includes a plurality of unit pixels, wherein each of the unit pixels includes a blue subpixel, a green subpixel, and a red subpixel radially disposed, the red subpixel is disposed at the innermost side, the blue subpixel is disposed at the outermost side, and the green subpixel is disposed between the blue subpixel and the red subpixel, thereby preventing lateral current leakage.
    Type: Application
    Filed: September 28, 2023
    Publication date: July 4, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Ki Min LIM, Seung Kwang ROH, Woo Chul CHOI, Sang Kyoung MOON, Dong Il CHOI
  • Publication number: 20240224569
    Abstract: A light emitting display device can include a first area including a first light emitting portion to emit a first color of light, a second light emitting portion to emit a second color of light, and a third light emitting portion to emit a third color of light; and a second area adjacent to the first area, the second area including a fourth light emitting portion to emit the first color of light, a fifth light emitting portion to emit the second color of light, a sixth light emitting portion to emit the third color of light, and a seventh light emitting portion to emit white light. Also, each of the first, second, third, fourth, fifth, sixth and seventh light emitting portions includes a plurality of stacks, and a light emitting layer in at least one of the plurality of stacks is continuous and extends into the seventh light emitting portion from one of the other light emitting portions.
    Type: Application
    Filed: December 14, 2023
    Publication date: July 4, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Ki Min LIM, Seung Kwang ROH, Woo Chul CHOI, Sang Kyoung MOON, Dong Il CHOI
  • Patent number: 11335876
    Abstract: Disclosed are an organic light emitting diode, an organic light emitting diode display device and a display device for vehicles using the same. The organic light emitting diode may achieve process simplification and reduction in material costs while maintaining high luminance, through structure change.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: May 17, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Han-Byeol Seok, Kwan-Soo Kim, Eun-Jung Park, Ki-Min Lim, Seung-Kwang Roh, Byung-Soo Kim, Sang-Kyoung Moon, Dong-Il Choi
  • Patent number: 10720596
    Abstract: The organic light emitting display panel includes a first electrode formed on a substrate, an organic light emitting layer formed on the first electrode, a second electrode formed on the organic light emitting layer, a front sealing layer formed on the second electrode, wherein the front sealing layer is formed by alternately laminating an inorganic barrier layer and an organic barrier layer at least once, and at least one capping layer formed between the lowest layer closest to the second electrode among a plurality of thin films of the front sealing layer and the second electrode and having a higher index of refraction than an index of refraction of the lowest layer.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: July 21, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Dock Cho, Kwang-Yeon Lee, Heui-Dong Lee, Eun-Jung Park, Hong-Je Yun, Sang-Kyoung Moon
  • Patent number: 10673005
    Abstract: An organic light-emitting device is disclosed. The organic light-emitting device includes light-emitting layers that emit light of the same color in a stack structure. The phosphorescence and fluorescence characteristics at the exit side and the inside of the organic light-emitting device are adjusted to improve a viewing angle, lifetime, and efficiency.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: June 2, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Eun-Jung Park, Sang-Kyoung Moon, Seok-Hyun Kim
  • Publication number: 20200006692
    Abstract: Disclosed are an organic light emitting diode, an organic light emitting diode display device and a display device for vehicles using the same. The organic light emitting diode may achieve process simplification and reduction in material costs while maintaining high luminance, through structure change.
    Type: Application
    Filed: June 27, 2019
    Publication date: January 2, 2020
    Inventors: Han-Byeol Seok, Kwan-Soo Kim, Eun-Jung Park, Ki-Min Lim, Seung-Kwang Roh, Byung-Soo Kim, Sang-Kyoung Moon, Dong-Il Choi
  • Publication number: 20190198788
    Abstract: An organic light-emitting device is disclosed. The organic light-emitting device includes light-emitting layers that emit light of the same color in a stack structure. The phosphorescence and fluorescence characteristics at the exit side and the inside of the organic light-emitting device are adjusted to improve a viewing angle, lifetime, and efficiency.
    Type: Application
    Filed: November 21, 2018
    Publication date: June 27, 2019
    Inventors: Eun-Jung PARK, Sang-Kyoung MOON, Seok-Hyun KIM
  • Patent number: 10109817
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device includes a first emission unit configured to include a common blue emission material layer which is included in common in a plurality of pixels emitting lights having different wavelength ranges, a second emission unit configured to include a red emission material layer, a green emission material layer, and a blue emission material layer which respectively emit lights having different wavelength ranges, a charge generation layer disposed between the first emission unit and the second emission unit, a first electrode formed as a reflective electrode, and configured to supply an electric charge having a first polarity to the first emission unit and the second emission unit, and a second electrode formed as a semi-transmissive electrode, and configured to supply an electric charge having a second polarity to the first emission unit and the second emission unit.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: October 23, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Joo Hwan Hwang, Sang Kyoung Moon
  • Publication number: 20170256744
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device includes a first emission unit configured to include a common blue emission material layer which is included in common in a plurality of pixels emitting lights having different wavelength ranges, a second emission unit configured to include a red emission material layer, a green emission material layer, and a blue emission material layer which respectively emit lights having different wavelength ranges, a charge generation layer disposed between the first emission unit and the second emission unit, a first electrode formed as a reflective electrode, and configured to supply an electric charge having a first polarity to the first emission unit and the second emission unit, and a second electrode formed as a semi-transmissive electrode, and configured to supply an electric charge having a second polarity to the first emission unit and the second emission unit.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 7, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Joo Hwan Hwang, Sang Kyoung Moon
  • Patent number: 9692013
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device includes a first emission unit configured to include a common blue emission material layer which is included in common in a plurality of pixels emitting lights having different wavelength ranges, a second emission unit configured to include a red emission material layer, a green emission material layer, and a blue emission material layer which respectively emit lights having different wavelength ranges, a charge generation layer disposed between the first emission unit and the second emission unit, a first electrode formed as a reflective electrode, and configured to supply an electric charge having a first polarity to the first emission unit and the second emission unit, and a second electrode formed as a semi-transmissive electrode, and configured to supply an electric charge having a second polarity to the first emission unit and the second emission unit.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: June 27, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Joo Hwan Hwang, Sang Kyoung Moon
  • Publication number: 20150144926
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device includes a first emission unit configured to include a common blue emission material layer which is included in common in a plurality of pixels emitting lights having different wavelength ranges, a second emission unit configured to include a red emission material layer, a green emission material layer, and a blue emission material layer which respectively emit lights having different wavelength ranges, a charge generation layer disposed between the first emission unit and the second emission unit, a first electrode formed as a reflective electrode, and configured to supply an electric charge having a first polarity to the first emission unit and the second emission unit, and a second electrode formed as a semi-transmissive electrode, and configured to supply an electric charge having a second polarity to the first emission unit and the second emission unit.
    Type: Application
    Filed: November 26, 2014
    Publication date: May 28, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Se Hee Lee, Joo Hwan Hwang, Sang Kyoung Moon
  • Publication number: 20140070187
    Abstract: The organic light emitting display panel includes a first electrode formed on a substrate, an organic light emitting layer formed on the first electrode, a second electrode formed on the organic light emitting layer, a front sealing layer formed on the second electrode, wherein the front sealing layer is formed by alternately laminating an inorganic barrier layer and an organic barrier layer at least once, and at least one capping layer formed between the lowest layer closest to the second electrode among a plurality of thin films of the front sealing layer and the second electrode and having a higher index of refraction than an index of refraction of the lowest layer.
    Type: Application
    Filed: July 9, 2013
    Publication date: March 13, 2014
    Inventors: Young-Dock CHO, Kwang-Yeon LEE, Heui-Dong LEE, Eun-Jung PARK, Hong-Je YUN, Sang-Kyoung MOON
  • Publication number: 20130049024
    Abstract: An OLED device adapted to enhance reliability and light-emitting efficiency is disclosed. The disclosed OLED device includes: a first electrode; an emission layer formed on the first electrode; a second electrode formed on the emission layer; and an electron injection layer disposed on the emission layer, configure to be in contact with the second electrode and in a single layer which is formed from a mixture of an inorganic compound and a metal material with a low work function.
    Type: Application
    Filed: December 27, 2011
    Publication date: February 28, 2013
    Inventors: Sung Hoon Choi, Sang Dae Kim, Byung Soo Kim, Tae Il Kum, Young Dock Cho, Sang Kyoung Moon