Patents by Inventor Ok-Keun Song

Ok-Keun Song 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: 11653544
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ok Keun Song, Sung Soo Lee
  • Patent number: 11502261
    Abstract: The present disclosure relates to a compound represented by Formula 1 and an organic light emitting device using the same. The compound used as a material of an organic material layer of the organic light emitting device provides improved efficiency, low driving voltage, and improved lifetime characteristic.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: November 15, 2022
    Assignee: LG CHEM LTD.
    Inventors: Wanpyo Hong, Min Seung Chun, Kyung Seok Jeong, Jin Joo Kim, Ok Keun Song, Hongsik Yoon
  • Publication number: 20210399075
    Abstract: An organic light emitting display device includes a substrate including a sub-pixel region and a transparent region, a first semiconductor element in the sub-pixel region on the substrate, a second semiconductor element overlapping at least a portion of the sub-pixel region on the substrate, and is spaced apart from the first semiconductor element, a first lower electrode disposed in the sub-pixel region on the first semiconductor element and electrically connected to the first semiconductor element, a second lower electrode disposed in the transparent region on the substrate and electrically connected to the second semiconductor element, a first light emitting layer on the first lower electrode, a second light emitting layer on the second lower electrode, and an upper electrode on the first and second light emitting layers where second lower electrode has a thickness that is less than a thickness of the first lower electrode, and transmits a light.
    Type: Application
    Filed: September 2, 2021
    Publication date: December 23, 2021
    Inventors: Woo-Sik JEON, Dong-Gyu KIM, Sung-Chul KIM, Ok-Keun SONG, Sung-Soo LEE
  • Publication number: 20210280640
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Application
    Filed: May 11, 2021
    Publication date: September 9, 2021
    Inventors: Ok Keun SONG, Sung Soo LEE
  • Patent number: 11049912
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: June 29, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ok Keun Song, Sung Soo Lee
  • Publication number: 20200373361
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Application
    Filed: August 12, 2020
    Publication date: November 26, 2020
    Inventors: Ok Keun SONG, Sung Soo LEE
  • Patent number: 10804335
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 13, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ok Keun Song, Sung Soo Lee
  • Publication number: 20200058885
    Abstract: The present disclosure relates to a compound represented by Formula 1 and an organic light emitting device using the same. The compound used as a material of an organic material layer of the organic light emitting device provides improved efficiency, low driving voltage, and improved lifetime characteristic.
    Type: Application
    Filed: May 2, 2018
    Publication date: February 20, 2020
    Inventors: Wanpyo HONG, Min Seung CHUN, Kyung Seok JEONG, Jin Joo KIM, Ok Keun SONG, Hongsik YOON
  • Publication number: 20190386068
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 19, 2019
    Inventors: Ok Keun SONG, Sung Soo LEE
  • Patent number: 10403688
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: September 3, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ok Keun Song, Sung Soo Lee
  • Patent number: 10312477
    Abstract: A light emitting structure includes a first hole injection layer, a first organic light emitting layer, a charge generation layer, a second hole injection layer, a second organic light emitting layer, an electron transfer layer, and a blocking member. The light emitting structure has first, second, and third sub-pixel regions. The first organic light emitting layer may be on the first hole injection layer. The charge generation layer may be on the first organic light emitting layer. The second hole injection layer may be on the charge generation layer. The second organic light emitting layer may be on the second hole injection layer. The electron transfer layer may be on the second organic light emitting layer. The blocking member may be at at least one of the first to the third sub-pixel regions.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: June 4, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Soo Lee, Ok-Keun Song, Se-Il Kim
  • Patent number: 10276833
    Abstract: An OLED display includes: a first pixel including a first pixel electrode of a pixel electrode, a second pixel including a second pixel electrode of the pixel electrode, and a third pixel including a third pixel electrode of the pixel electrode; a resonance assistance layer on the first pixel electrode; an organic emission layer including a first organic emission layer on the resonance assistance layer and the second pixel electrode, a second organic emission layer on the first organic emission layer, and a third organic emission layer on the third pixel electrode; a common electrode on the organic emission layer; and a color mixture preventing layer on the common electrode and configured to absorb overlapped light in an overlapped wavelength region of a wavelength region of first light emitted by the first organic emission layer and a wavelength region of second light emitted by the second organic emission layer.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: April 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Soo Lee, Ok-Keun Song, Chan-Young Park, Yong-Han Lee
  • Publication number: 20190051706
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Application
    Filed: October 18, 2018
    Publication date: February 14, 2019
    Inventors: Ok Keun SONG, Sung Soo LEE
  • Patent number: 10109685
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: October 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ok Keun Song, Sung Soo Lee
  • Publication number: 20180241010
    Abstract: A light emitting structure includes a first hole injection layer, a first organic light emitting layer, a charge generation layer, a second hole injection layer, a second organic light emitting layer, an electron transfer layer, and a blocking member. The light emitting structure has first, second, and third sub-pixel regions. The first organic light emitting layer may be on the first hole injection layer. The charge generation layer may be on the first organic light emitting layer. The second hole injection layer may be on the charge generation layer. The second organic light emitting layer may be on the second hole injection layer. The electron transfer layer may be on the second organic light emitting layer. The blocking member may be at at least one of the first to the third sub-pixel regions.
    Type: Application
    Filed: April 13, 2018
    Publication date: August 23, 2018
    Inventors: Sung-Soo Lee, Ok-Keun Song, Se-Il Kim
  • Patent number: 9947903
    Abstract: A light emitting structure includes a first hole injection layer, a first organic light emitting layer, a charge generation layer, a second hole injection layer, a second organic light emitting layer, an electron transfer layer, and a blocking member. The light emitting structure has first, second, and third sub-pixel regions. The first organic light emitting layer may be on the first hole injection layer. The charge generation layer may be on the first organic light emitting layer. The second hole injection layer may be on the charge generation layer. The second organic light emitting layer may be on the second hole injection layer. The electron transfer layer may be on the second organic light emitting layer. The blocking member may be at at least one of the first to the third sub-pixel regions.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: April 17, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Soo Lee, Ok-Keun Song, Se-Il Kim
  • Publication number: 20170338285
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Application
    Filed: July 27, 2017
    Publication date: November 23, 2017
    Inventors: Ok Keun SONG, Sung Soo LEE
  • Patent number: 9722001
    Abstract: An organic light emitting display including a substrate, a first electrode and a second electrode on the substrate and facing each other, at least two organic light emitting layers between the first electrode and the second electrode, and at least two color filters on the second electrode, the organic light emitting layers emitting a first color light, and the color filters emitting a second color light and a third color light.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: August 1, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ok Keun Song, Sung Soo Lee
  • Publication number: 20170200778
    Abstract: An organic light emitting display device includes a substrate including a sub-pixel region and a transparent region, a first semiconductor element in the sub-pixel region on the substrate, a second semiconductor element overlapping at least a portion of the sub-pixel region on the substrate, and is spaced apart from the first semiconductor element, a first lower electrode disposed in the sub-pixel region on the first semiconductor element and electrically connected to the first semiconductor element, a second lower electrode disposed in the transparent region on the substrate and electrically connected to the second semiconductor element, a first light emitting layer on the first lower electrode, a second light emitting layer on the second lower electrode, and an upper electrode on the first and second light emitting layers where second lower electrode has a thickness that is less than a thickness of the first lower electrode, and transmits a light.
    Type: Application
    Filed: December 6, 2016
    Publication date: July 13, 2017
    Inventors: Woo-Sik JEON, Dong-Gyu KIM, Sung-Chul KIM, Ok-Keun SONG, Sung-Soo LEE
  • Patent number: 9588348
    Abstract: The 3D display device includes a display panel including a first pixel area displaying a left-eye image, and a second pixel area neighboring the first pixel area and displaying a right-eye image, and a lenticular lens unit positioned on the display panel to cover the first pixel area and the second pixel area and having at least one color.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: March 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Hee Park, Ok-Keun Song, Yong-Han Lee, Young-Shin Lee