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).

  • Organic optoelectronic device and display device
    Patent number: 11145820
    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: Grant
    Filed: April 18, 2017
    Date of Patent: October 12, 2021
    Assignee: Samsung SDI Co., Ltd.
    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
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20210087179
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1:
    Type: Application
    Filed: September 9, 2020
    Publication date: March 25, 2021
    Inventors: Hyunjung KIM, Dong Wan RYU, Younhwan KIM, Jonghoon KIM, Hyung Sun KIM, Hansol SEO, Hayun SONG, Hyungyu LEE, Sung-Hyun JUNG, Youngkyoung JO
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DIODE, ORGANIC OPTOELECTRONIC DIODE, AND DISPLAY DEVICE
    Publication number: 20210091314
    Abstract: Disclosed are a compound for an organic optoelectronic diode, a composition for an organic optoelectronic diode, including the compound for the organic optoelectronic diode, an organic optoelectronic diode including the same, and a display device.
    Type: Application
    Filed: July 30, 2018
    Publication date: March 25, 2021
    Inventors: Chang Ju SHIN, Changwoo KIM, Hyung Sun KIM, Dong Wan RYU, Seungjae LEE, Yuna JANG, Dong Min KANG, Eun Sun YU, Hanill LEE, Sung-Hyun JUNG, Juyeon JUNG, Ho Kuk JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20210070689
    Abstract: A compound for an organic optoelectronic device, an organic optoelectronic device, and a display device including the same, the compound being represented by Chemical Formula 1:
    Type: Application
    Filed: September 1, 2020
    Publication date: March 11, 2021
    Inventors: Dong Wan RYU, Jinhyun LUI, Hyunji YOO, Youngkyoung JO, Seungchul LYU, Min Seok SEO, Ho Kuk JUNG, Sung-Hyun JUNG
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC ELEMENT, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE
    Publication number: 20210050526
    Abstract: The present invention relates to a composition for an organic optoelectronic element, and an organic optoelectronic element and a display device utilizing same, wherein the composition includes a first compound for an organic optoelectronic element, the first compound being represented by a combination of specific chemical formulae; and a second compound for an organic optoelectronic element, the second compound being represented by a different specific chemical formula.
    Type: Application
    Filed: October 10, 2018
    Publication date: February 18, 2021
    Inventors: Seungjae LEE, Hyung Sun KIM, Dong Wan RYU, Juyeon JUNG, Ho Kuk JUNG, Changwoo KIM, Hyunjung KIM, Chang Ju SHIN, Yongtak YANG, Sung-Hyun JUNG
  • COMPOSITION FOR ORGANIC OPTOELECTRIC DEVICE AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20210013426
    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: September 30, 2020
    Publication date: January 14, 2021
    Inventors: Changwoo KIM, Hanill LEE, Hyung Sun KIM, Dong Wan RYU, Eun Sun YU, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DIODE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DIODE, ORGANIC OPTOELECTRONIC DIODE AND DISPLAY DEVICE
    Publication number: 20200388766
    Abstract: Provided are: a compound for an organic optoelectronic diode; a composition for an organic optoelectronic diode including the same; an organic optoelectronic diode including the composition for the organic optoelectronic diode as a host; and a display device including the organic optoelectronic diode.
    Type: Application
    Filed: December 31, 2018
    Publication date: December 10, 2020
    Inventors: Changwoo KIM, Seungjae LEE, Hyung Sun KIM, Dong Wan RYU, Chang Ju SHIN, Kipo JANG, Sung-Hyun JUNG, Juyeon JUNG, Handong CHU
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEIVCE
    Publication number: 20200350501
    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: July 16, 2020
    Publication date: November 5, 2020
    Inventors: Jihyun LUI, Changwoo KIM, Dong Wan RYU, Chang Ju SHIN, Hyung Sun KIM, Seungjae LEE, Jihun SHIN, Sung-Hyun JUNG, Ho Kuk JUNG
  • Organic compound and organic optoelectric device and display device
    Patent number: 10700286
    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: Grant
    Filed: January 27, 2017
    Date of Patent: June 30, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chang Ju Shin, Jinseok Hong, Dong Wan Ryu, Eun Sun Yu, Hanill Lee, Chunkeun Jang, Sung-Hyun Jung
  • ORGANIC OPTOELECTRONIC DIODE AND DISPLAY DEVICE
    Publication number: 20200176688
    Abstract: Provided are an organic optoelectronic diode and a display device, the organic optoelectronic diode including a cathode and an anode facing each other; at least one organic layer disposed between the cathode and the anode, wherein the organic layer includes a composition for an organic optoelectronic device including a first compound for an organic optoelectronic device represented by a combination of Chemical Formula 1 and Chemical Formula 2, and a second compound for an organic optoelectronic device represented by Chemical Formula 3; and a dopant having a maximum emission wavelength of 570 nm to 750 nm. The detailed descriptions of Chemical Formula 1 to Chemical Formula 3 are the same as that defined in the specification.
    Type: Application
    Filed: June 15, 2018
    Publication date: June 4, 2020
    Inventors: Pyeongseok CHO, Dongyeong KIM, Dong Wan RYU, Byoungkwan LEE, Sung-Hyun JUNG, Dalho HUH
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DIODE, ORGANIC OPTOELECTRONIC DIODE, AND DISPLAY DEVICE
    Publication number: 20200136057
    Abstract: The present invention relates to a composition for an organic optoelectronic diode, comprising a first compound for an organic optoelectronic diode; and a second compound for an organic optoelectronic diode, and an organic optoelectronic diode and a display device including the same.
    Type: Application
    Filed: July 4, 2018
    Publication date: April 30, 2020
    Inventors: Dong Wan RYU, Sangshin LEE, Seungjae LEE, Sung-Hyun JUNG, Eun Sun YU, Dalho HUH
  • Composition for organic optoelectronic device and organic optoelectronic device and display device
    Patent number: 10593894
    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: Grant
    Filed: June 14, 2017
    Date of Patent: March 17, 2020
    Assignee: Samsung SDI Co., Ltd.
    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 the same and display including the organic light emitting diode
    Patent number: 10522761
    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: Grant
    Filed: February 19, 2015
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    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
  • Organic optoelectronic device and display device
    Patent number: 10522766
    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: Grant
    Filed: December 11, 2014
    Date of Patent: December 31, 2019
    Assignee: Samsung SDI Co., Ltd.
    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 device and organic optoelectric device and display device
    Patent number: 10505126
    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: Grant
    Filed: June 15, 2017
    Date of Patent: December 10, 2019
    Assignee: Samsung SDI Co., Ltd.
    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
  • COMPOUND, COMPOSITION AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20190363261
    Abstract: A compound represented by a combination of Chemical Formula 1 and Chemical Formula 2 bonded together, a composition including the compound, an organic optoelectronic device, and a display device are disclosed. In Chemical Formula 1 and Chemical Formula 2, each substituent is the same as described in the specification.
    Type: Application
    Filed: May 22, 2019
    Publication date: November 28, 2019
    Inventors: Seungjae LEE, Changwoo KIM, Byungku KIM, Hyung Sun KIM, Dong Wan RYU, Chang Ju SHIN, Kipo JANG, Min Seok SEO, Sung-Hyun JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEIVCE
    Publication number: 20190341553
    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 7, 2019
    Publication date: November 7, 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
  • Organic compound, organic optoelectric diode, and display device
    Patent number: 10446760
    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: Grant
    Filed: April 8, 2015
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    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
  • Compound, organic light emitting element comprising same, and display device comprising organic light emitting element
    Patent number: 10381571
    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: Grant
    Filed: September 3, 2015
    Date of Patent: August 13, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    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
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20190214573
    Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.
    Type: Application
    Filed: May 24, 2017
    Publication date: July 11, 2019
    Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG