Patents by Inventor Dong-wan Ryu

Dong-wan Ryu 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: 9502662
    Abstract: Disclosed are a compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The compound for an organic optoelectronic device represented by the following Chemical Formula ad-1 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: November 22, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Sung-Hyun Jung, Dong-Wan Ryu, Han-Ill Lee, Young-Kyoung Jo, Mi-Young Chae, Dal-Ho Huh, Jin-Seok Hong
  • Patent number: 9478753
    Abstract: A compound for an organic optoelectronic device, an organic light emitting diode, and a display device including the organic light emitting diode, the compound being represented by the following Chemical Formula 1:
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: October 25, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Sung-Hyun Jung, Dal-Ho Huh, Dong-Wan Ryu, Kyoung-Mi Lee, Eui-Su Kang, Mi-Young Chae
  • Patent number: 9368733
    Abstract: A compound for an organic optoelectronic device, an organic light-emitting device including the same and a display device including the organic light-emitting device are provided, and the compound for an organic optoelectronic device represented by a combination of the following Chemical Formula 1 and 2 is provided and thus an organic light-emitting device has improved life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: June 14, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong-Wan Ryu, Nam-Heon Lee, Han-Ill Lee, Sung-Hyun Jung, Young-Kyoung Jo, Mi-Young Chae, Dal-Ho Huh, Jin-Seok Hong
  • Publication number: 20160126477
    Abstract: Disclosed are a first compound for an organic optoelectric device represented by a combination of Chemical Formula I-1 and Chemical Formula I-2 and a composition for an organic optoelectric device including the first compound for an organic optoelectric device and at least one second compound for an organic optoelectric device having a moiety represented by Chemical Formula II, and an organic optoelectric device and a display device including the same. Chemical Formula I-1, Chemical Formula I-2 and Chemical Formula II are the same as described in the detailed description.
    Type: Application
    Filed: September 24, 2015
    Publication date: May 5, 2016
    Inventors: Hyung-Sun KIM, Young-Kwon KIM, Dong-Wan RYU, Youn-Hwan KIM, Eun-Sun YU, Sung-Hyun JUNG
  • Patent number: 9246107
    Abstract: A compound for an organic optoelectronic device, an organic light emitting diode, and a display device, the compound including moieties represented by the following Chemical Formula 1; Chemical Formula 4; and one of Chemical Formulae 2 and 3;
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: January 26, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Kyoung-Mi Lee, Sung-Hyun Jung, Dong-Wan Ryu, Seung-Min Lee, Hyon-Gyu Lee, Mi-Young Chae, Dal-Ho Huh, Jin-Seok Hong
  • Publication number: 20150380659
    Abstract: A compound, an organic light emitting element including the same, and a display device including the organic light emitting element are disclosed, and the compound for an organic optoelectric device represented by Chemical Formula 1 is provided.
    Type: Application
    Filed: September 3, 2015
    Publication date: December 31, 2015
    Inventors: Dong-Wan RYU, Dal-Ho HUH, Sung-Hyun JUNG, Jin-Seok HONG, Jun-Seok KIM, Dong-Kyu RYU, Seung-Jae LEE, Han-Ill LEE, Yu-Na JANG, Young-Kyoung JO, Mi-Young CHAE
  • Publication number: 20150280136
    Abstract: An organic optoelectronic device and a display device including the same are disclosed, and the organic optoelectronic device includes an anode, a cathode and at least one organic layer interposed between the anode and the cathode, wherein the organic thin layer includes an emission layer, a hole transport layer, a hole injection layer, an electron transport layer, an electron injection layer, or a combination thereof, the organic thin layer includes an emission layer and a plurality of a hole transport layers, the hole transport layer contacting the emission layer of the plurality of hole transport layer includes a compound represented by a combination of Chemical Formula 1, Chemical Formula 2 or 3, and Chemical Formula 4, and one of the hole transport layers not contacting the emission layer includes a compound represented by Chemical Formula B-1.
    Type: Application
    Filed: June 12, 2015
    Publication date: October 1, 2015
    Inventors: Dong-Wan RYU, Sung-Hyun JUNG, Dal-Ho HUH, Jin-Seok HONG, Youn-Hwan KIM, Jun-Seok KIM, Dong-Kyu RYU, Nam-Heon LEE, Han-Ill LEE, Yu-Na JANG, Young-Kyoung JO, Mi-Young CHAE
  • Publication number: 20150263291
    Abstract: Disclosed are a compound for an organic optoelectronic device, an organic light-emitting diode including the same, and a display device including the organic light emitting diode. The compound for an organic optoelectronic device represented by the following Chemical Formula ad-1 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Application
    Filed: December 21, 2012
    Publication date: September 17, 2015
    Inventors: Sung-Hyun Jung, Dong-Wan Ryu, Han-Ill Lee, Young-Kyoung Jo, Mi-Young Chae, Dal-Ho Huh, Jin-Seok Hong
  • Publication number: 20150221874
    Abstract: Provided are an organic optoelectronic device and a display device including the same, and the organic optoelectronic device includes an anode, a cathode and at least one organic thin layer between the anode and the cathode, wherein the organic thin layer includes an emission layer, a hole transport layer (HTL), a hole injection layer (HIL), an electron transport layer (ETL), an electron injection layer (EIL) or a combination thereof, the organic thin layer includes an emission layer and a plurality of hole transport layer (HTL), the hole transport layer (HTL) adjacent to the emission layer of the plurality of hole transport layer (HTL) includes a compound represented by Chemical Formula A-1, one of the hole transport layers (HTL) that are not adjacent to the emission layer includes a compound represented by Chemical Formula B-1.
    Type: Application
    Filed: August 13, 2013
    Publication date: August 6, 2015
    Inventors: Jun-Seok Kim, Sung-Hyun Jung, Dong-Wan Ryu, Eui-Su Kang, Yong-Tak Yang, Dong-Kyu Ryu, Han-Ill Lee, Yu-Na Jang, Young-Kyoung Jo, Mi-Young Chae, Dal-Ho Huh, Jin-Seok Hong
  • Publication number: 20150162542
    Abstract: Provided are a compound for an organic optoelectronic device represented by Chemical Formula 1, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The structure of Chemical Formula 1 is shown in the specification. The compound for an organic optoelectronic device provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and having high luminous efficiency at a low driving voltage.
    Type: Application
    Filed: February 19, 2015
    Publication date: June 11, 2015
    Inventors: Dong-Wan RYU, Eui-Su KANG, Han-Ill LEE, Sung-Hyun JUNG, Young-Kyoung JO, Mi-Young CHAE, Dal-Ho HUH, Jin-Seok HONG
  • Publication number: 20150144938
    Abstract: A compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode are disclosed and the compound for an organic optoelectronic device represented by a combination of the following Chemical Formulae 1 and 2 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Application
    Filed: February 4, 2015
    Publication date: May 28, 2015
    Inventors: Han-Ill LEE, Dong-Wan RYU, Sung-Hyun JUNG, Mi-Young CHAE, Dal-Ho HUH, Jin-Seok HONG, Jun-Seok KIM, Dong-Kyu RYU, Yu-Na JANG, Young-Kyoung JO
  • Publication number: 20150137111
    Abstract: A compound for an organic optoelectronic device, an organic light-emitting device including the same and a display device including the organic light-emitting device are provided, and the compound for an organic optoelectronic device represented by a combination of the following Chemical Formulae 1 and 2 is provided and thus an organic light-emitting device has improved life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 21, 2015
    Inventors: Dong-Wan RYU, Nam-Heon LEE, Han-Ill LEE, Sung-Hyun JUNG, Young-Kyoung JO, Mi-Young CHAE, Dal-Ho HUH, Jin-Seok HONG
  • Patent number: 8993783
    Abstract: A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula 1:
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: March 31, 2015
    Assignee: Cheil Industries, Inc.
    Inventors: Kyoung-Mi Lee, Dal-Ho Huh, Dong-Wan Ryu, Sung-Hyun Jung, Mi-Young Chae
  • Patent number: 8890126
    Abstract: A compound for an optoelectronic device, an organic light emitting diode, and a display device, the compound for an optoelectronic device being represented by the following Chemical Formula 1:
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: November 18, 2014
    Assignee: Cheil Industries, Inc.
    Inventors: Dong-Wan Ryu, Sung-Hyun Jung, Dal-Ho Huh, Kyoung-Mi Lee, Nam-Heon Lee, Mi-Young Chae
  • Publication number: 20140332787
    Abstract: Disclosed are a compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The compound for an organic optoelectronic device represented by a combination of the following Chemical Formula 1 and Chemical Formula 2 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Application
    Filed: December 18, 2012
    Publication date: November 13, 2014
    Inventors: Jin-Seok Hong, Young-Kyoung Jo, Dong-Wan Ryu, Nam-Heon Lee, Han-Ill Lee, Sung-Hyun Jung, Mi-Young Chae, Dal-Ho Huh
  • Publication number: 20140070199
    Abstract: A compound for an organic optoelectronic device, an organic light emitting diode, and a display device including the organic light emitting diode, the compound being represented by the following Chemical Formula 1:
    Type: Application
    Filed: November 6, 2013
    Publication date: March 13, 2014
    Inventors: Sung-Hyun JUNG, Dal-Ho HUH, Dong-Wan RYU, Kyoung-Mi LEE, Eui-Su KANG, Mi-Young CHAE
  • Publication number: 20140042412
    Abstract: A compound for an organic optoelectronic device is represented by the following Chemical Formula 1:
    Type: Application
    Filed: October 11, 2013
    Publication date: February 13, 2014
    Inventors: Dong-Wan RYU, Sung-Hyun JUNG, Dal-Ho HUH, Jin-Seok HONG, Gi-Wook KANG, Mi-Young CHAE
  • Publication number: 20130207092
    Abstract: A compound for an organic photoelectric device is represented by the following Chemical Formula 1:
    Type: Application
    Filed: March 14, 2013
    Publication date: August 15, 2013
    Inventors: Dal-Ho HUH, Sung-Hyun JUNG, Dong-Wan RYU, Kyoung-Mi LEE, Mi-Young CHAE
  • Publication number: 20130105771
    Abstract: A compound for an optoelectronic device, an organic light emitting diode, and a display device, the compound for an optoelectronic device being represented by the following Chemical Formula 1:
    Type: Application
    Filed: October 23, 2012
    Publication date: May 2, 2013
    Inventors: Dong-Wan RYU, Sung-Hyun JUNG, Dal-Ho HUH, Kyoung-Mi LEE, Nam-Heon LEE, Mi-Young CHAE
  • Publication number: 20130087776
    Abstract: A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula 1:
    Type: Application
    Filed: December 3, 2012
    Publication date: April 11, 2013
    Inventors: Kyoung-Mi LEE, Dal-Ho HUH, Dong-Wan RYU, Sung-Hyun JUNG, Mi-Young CHAE