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).

  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEIVCE
    Publication number: 20190198772
    Abstract: Disclosed are the compound for an organic optoelectronic device, the compound being represented by Chemical Formula 1, a composition for an organic optoelectronic device including the compound for an organic optoelectronic device, an organic optoelectronic device, and a display device. In Chemical Formula 1, each substituent is the same as defined in the specification.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 27, 2019
    Inventors: Jinhyun LUI, Changwoo KIM, Dong Wan RYU, Chang Ju SHIN, Hyung Sun KIM, Seungjae LEE, Jihun SHIN, Sung-Hyun JUNG, Ho Kuk JUNG
  • Compound for organic optoelectronic device, organic light emitting diode including the same and display including the organic light emitting diode
    Patent number: 10333081
    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: Grant
    Filed: January 12, 2018
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    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
  • Organic compound for optoelectric device and composition for optoelectric device and organic optoelectric device and display device
    Patent number: 10193081
    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: Grant
    Filed: September 24, 2015
    Date of Patent: January 29, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyung-Sun Kim, Young-Kwon Kim, Dong-Wan Ryu, Youn-Hwan Kim, Eun-Sun Yu, Sung-Hyun Jung
  • Compound for organic optoelectronic device, organic light-emitting diode including same, and display device including organic light-emitting diode
    Patent number: 10121973
    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: Grant
    Filed: September 14, 2017
    Date of Patent: November 6, 2018
    Assignee: CHEIL INDUSTRIES, INC.
    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
  • Composition for organic optoelectric device and organic optoelectric device and display device
    Patent number: 10096777
    Abstract: Disclosed are a composition for an organic optoelectric device including at least one first compound for an organic optoelectric device represented by Chemical Formula 1; and at least one second compound for an organic optoelectric device including a carbazole moiety represented by Chemical Formula 2, an organic optoelectric device include the same, and a display device. Details of Chemical Formula 1 and Chemical Formula 2 are the same as defined in the specification.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: October 9, 2018
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Sangshin Lee, Dong Wan Ryu, Joohee Seo, Eun Sun Yu, Seungjae Lee, Chunkeun Jang, Sung-Hyun Jung
  • ORGANIC COMPOUND, ORGANIC OPTOELECTRIC DIODE, AND DISPLAY DEVICE
    Publication number: 20180186764
    Abstract: The present invention relates to an organic compound represented by Chemical Formula 1, an organic optoelectronic diode, and a display device.
    Type: Application
    Filed: July 21, 2016
    Publication date: July 5, 2018
    Inventors: Sung-Hyun JUNG, Dong Wan RYU, Chang Ju SHIN, Hanill LEE, Chunkeun JANG
  • COMPOSITION FOR ORGANIC OPTOELECTRIC DEVICE AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20180182970
    Abstract: Disclosed are a composition for an organic optoelectric device including at least one first compound for an organic optoelectric device represented by Chemical Formula 1; and at least one second compound for an organic optoelectric device including a carbazole moiety represented by Chemical Formula 2, an organic optoelectric device include the same, and a display device. Details of Chemical Formula 1 and Chemical Formula 2 are the same as defined in the specification.
    Type: Application
    Filed: October 26, 2017
    Publication date: June 28, 2018
    Inventors: Sangshin LEE, Dong Wan RYU, Joohee SEO, Eun Sun YU, Seungjae LEE, Chunkeun JANG, Sung-Hyun JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT EMITTING DIODE INCLUDING THE SAME AND DISPLAY INCLUDING THE ORGANIC LIGHT EMITTING DIODE
    Publication number: 20180138423
    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: January 12, 2018
    Publication date: May 17, 2018
    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
  • Compound for organic optoelectronic device, organic light emitting diode including the same and display including the organic light emitting diode
    Patent number: 9899607
    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: Grant
    Filed: February 4, 2015
    Date of Patent: February 20, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    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
  • COMPOSITION FOR ORGANIC OPTOELECTRIC DEVICE AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20180026204
    Abstract: Disclosed are a composition for an organic optoelectric device includes at least one of a first host compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and at least one of a second host compound represented by a combination of Chemical Formula 3 and Chemical Formula 4, and an organic optoelectric device including the same, and a display device. Details of Chemical Formulae 1 to 4 are the same as described in the detailed description.
    Type: Application
    Filed: June 15, 2017
    Publication date: January 25, 2018
    Inventors: Chang Ju SHIN, Youngkwon KIM, Changwoo KIM, Hyung Sun KIM, Dong Wan RYU, Eun Sun YU, Yuna JANG, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20180019409
    Abstract: Disclosed are a composition for an organic optoelectronic device includes at least one of a first host compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and at least one of a second host compound represented by a combination of Chemical Formula 3 and Chemical Formula 4, and an organic optoelectronic device including the same, and a display device. Details of Chemical Formulae 1 to 4 are the same as described in the detailed description.
    Type: Application
    Filed: June 14, 2017
    Publication date: January 18, 2018
    Inventors: Dong Wan RYU, Youngkwon KIM, Changwoo KIM, Hyung Sun KIM, Chang Ju SHIN, Eun Sun YU, Yuna JANG, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT-EMITTING DIODE INCLUDING SAME, AND DISPLAY DEVICE INCLUDING ORGANIC LIGHT-EMITTING DIODE
    Publication number: 20180006234
    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: September 14, 2017
    Publication date: January 4, 2018
    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
  • COMPOSITION FOR ORGANIC OPTOELECTRIC DEVICE AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20170309831
    Abstract: Disclosed are a composition for an organic optoelectric device including at least one of a first host compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and at least one of a second host compound represented by Chemical Formula 3, an organic optoelectric device including the same, and a display device. Details of Chemical Formulae 1 to 3 are the same as defined in the specification.
    Type: Application
    Filed: January 30, 2017
    Publication date: October 26, 2017
    Inventors: Changwoo KIM, Hanill LEE, Hyung Sun KIM, Dong Wan RYU, Eun Sun YU, Sung-Hyun JUNG, Ho Kuk JUNG
  • ORGANIC COMPOUND AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20170279053
    Abstract: An organic compound represented by Chemical Formula 1, an organic optoelectric device including the organic compound, and a display device including the organic optoelectric device are disclosed.
    Type: Application
    Filed: January 27, 2017
    Publication date: September 28, 2017
    Inventors: Chang Ju SHIN, Jinseok HONG, Dong Wan RYU, Eun Sun YU, Hanill LEE, Chunkeun JANG, Sung-Hyun JUNG
  • Compound for optoelectronic device, organic light-emitting diode including same, and display device including organic light-emitting diode
    Patent number: 9768389
    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: Grant
    Filed: December 18, 2012
    Date of Patent: September 19, 2017
    Assignee: CHEIL INDUSTRIES, INC.
    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
  • ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20170222158
    Abstract: An organic optoelectronic device and a display device including the same, the organic optoelectronic device including: an anode and a cathode facing each other; a light-emitting layer positioned between the anode and the cathode; a hole transport layer positioned between the anode and the light-emitting layer; an auxiliary hole transport layer positioned between the hole transport layer and the light-emitting layer; an electron transport layer positioned between the cathode and the light-emitting layer; and an auxiliary electron transport layer positioned between the electron transport layer and the light-emitting layer, wherein the auxiliary electron transport layer includes at least one kind of first compound represented by chemical formula 1, and the auxiliary hole transport layer includes at least one kind of second compound represented by a combination of a moiety represented by chemical formula 2, a moiety represented by chemical formula 3 and a moiety represented by chemical formula 4.
    Type: Application
    Filed: April 18, 2017
    Publication date: August 3, 2017
    Inventors: Ho-Kuk JUNG, Jae-Jin OH, Dong-Wan RYU, Su-Jin HAN, Gi-Wook KANG, Eui-Su KANG, Youn-Hwan KIM, Hun KIM, Jae-Han PARK, Yong-Tak YANG, Eun-Sun YU, Han-ILL LEE, Woo-Seok JEONG
  • ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20170213985
    Abstract: The present invention relates to an organic photoelectronic device and a display device comprising the organic photoelectronic device, the organic photoelectronic device comprising: an anode; a cathode facing the anode; a light-emitting layer interposed between the anode and cathode; a hole transport layer interposed between the anode and the light-emitting layer; and an auxiliary hole transport layer interposed between the hole transport layer and the light-emitting layer, wherein the hole transport layer comprises a compound represented by Chemical formula I, and the auxiliary hole transport layer comprises a compound represented by Chemical formula II. Chemical formulas I and II are the same as set forth in the description.
    Type: Application
    Filed: December 11, 2014
    Publication date: July 27, 2017
    Inventors: Han-ILL LEE, Chang-Woo KIM, Dong-Wan RYU, Young-Sung PARK, Chang-Ju SHIN, Eun-Sun YU, Sung-Hyun JUNG, Su-Jin HAN
  • COMPOSITION FOR ORGANIC OPTOELECTRIC DIODE, ORGANIC OPTOELECTRIC DIODE, AND DISPLAY DEVICE
    Publication number: 20170104163
    Abstract: The present invention relates to: a composition for an organic optoelectric diode, containing a first host compound represented by Chemical Formula I and a second host compound represented by Chemical Formula II; an organic optoelectric diode comprising the composition for an organic optoelectric diode; and a display device.
    Type: Application
    Filed: December 11, 2014
    Publication date: April 13, 2017
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Han-ILL LEE, Dong-Wan RYU, Jin-Hyun LUI, Chang-Ju SHIN, Eun-Sun YU, Sung-Hyun JUNG
  • COMPOUND, ORGANIC OPTOELECTRONIC ELEMENT COMPRISING SAME AND DISPLAY DEVICE THEREOF
    Publication number: 20160372666
    Abstract: The present invention relates to a compound represented by formula 1, an organic optoelectronic element comprising the same, and a display device comprising the organic optoeletric element. Formula 1 and the description regarding the samen are as defined in the specification.
    Type: Application
    Filed: April 13, 2015
    Publication date: December 22, 2016
    Inventors: Dong-Wan RYU, Young-Kyoung JO, Sung-Hyun JUNG, Chang-Ju SHIN, Han-Ill LEE, Eui-Su KANG, Chang-Woo KIM, Min-Jee PARK, Eun-Sun YU, Pyeong-Seok CHO
  • ORGANIC COMPOUND, ORGANIC OPTOELECTRIC DIODE, AND DISPLAY DEVICE
    Publication number: 20160351820
    Abstract: Disclosed are an organic compound represented by formula 1, an organic optoelectric diode applying the organic compound, and a display device comprising the organic optoelectric diode.
    Type: Application
    Filed: April 8, 2015
    Publication date: December 1, 2016
    Inventors: Chang-Ju SHIN, Dong-Wan RYU, Eun-Sun YU, Han-Ill LEE, Chun-Keun JANG, Sung-Hyun JUNG, Ju-Yeon JUNG, Jin-Seok HONG, Bo-Hyung KIM, Chang-Woo KIM