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).

  • Publication number: 20240241437
    Abstract: A semiconductor photoresist composition and a method of forming patterns using the semiconductor photoresist composition are disclosed. The semiconductor photoresist composition may include an organotin compound represented by Chemical Formula 1 and a solvent.
    Type: Application
    Filed: September 22, 2023
    Publication date: July 18, 2024
    Inventors: Seol Hee LIM, Changsoo WOO, Young Keun KIM, Dong Wan RYU, Soobin LIM, Sukil KANG, Eunmi KANG
  • Publication number: 20240182728
    Abstract: Provided are an ink composition including (A) semiconductor nanorods; and (B) a mixed solvent including a first solvent including a compound represented by Chemical Formula 1 and a second solvent including a compound represented by Chemical Formula 2, a layer manufactured using the ink composition, and an electrophoresis device, and a display device including the same. The definition of Chemical Formula 1 and Chemical Formula 2 is the same as the specification.
    Type: Application
    Filed: April 21, 2022
    Publication date: June 6, 2024
    Inventors: Kyuyoung KIM, Dong Wan RYU, Misun KIM, Janghyuk KIM, Eun Sun YU
  • Publication number: 20240166898
    Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, and a display device including the same. The ink composition includes (A) semiconductor nanorods; and (B) a mixed solvent that simultaneously satisfies three specific conditions.
    Type: Application
    Filed: March 17, 2022
    Publication date: May 23, 2024
    Inventors: Young Woo PARK, Misun KIM, Janghyuk KIM, Dong Wan RYU, Chuljin PARK, Eun Sun YU, Jinsuop YOUN, Jiyoung JEONG
  • Publication number: 20240134273
    Abstract: Provided are a semiconductor photoresist composition including an organotin compound represented by Chemical Formula 1 and a solvent, and a method of forming patterns using the same. The method of forming patterns may include forming an etching-objective layer on a substrate, coating the semiconductor photoresist composition on the etching-objective layer to form a photoresist layer, patterning the photoresist layer to form a photoresist pattern, and etching the etching-objective layer using the photoresist pattern as an etching mask.
    Type: Application
    Filed: August 25, 2023
    Publication date: April 25, 2024
    Inventors: Kyungsoo MOON, Young Keun KIM, Dong Wan RYU
  • Publication number: 20240099129
    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: November 7, 2023
    Publication date: March 21, 2024
    Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG
  • Publication number: 20240090325
    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: November 7, 2023
    Publication date: March 14, 2024
    Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG
  • Publication number: 20240052190
    Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, and an electrophoresis device and a display device including the same. The ink composition includes (A) a semiconductor nanorod; and (B) a mixed solvent including a first solvent, a second solvent, and a third solvent, wherein the first solvent has a viscosity of less than or equal to 70 cps at 25° C. and includes a compound having a dielectric constant of greater than or equal to 5, the second solvent includes a compound having a viscosity of greater than or equal to 80 cps at 25° C. or being a solid or having a dielectric constant of greater than or equal to 5, and the third solvent includes a compound having a dielectric constant of less than 5.
    Type: Application
    Filed: April 21, 2022
    Publication date: February 15, 2024
    Inventors: Jinsuop YOUN, Young Woo PARK, Young Min KIM, Misun KIM, Jiyoung JEONG, Janghyuk KIM, Eun Sun YU, Dong Wan RYU, Chuljin PARK, Bongyong KIM
  • Publication number: 20230371370
    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 13, 2023
    Publication date: November 16, 2023
    Inventors: Jinhyun LUI, Changwoo KIM, Dong Wan RYU, Chang Ju SHIN, Hyung Sun KIM, Seungjae LEE, Jihun SHIN, Sung-Hyun JUNG, Ho Kuk JUNG
  • Publication number: 20230345828
    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: March 20, 2023
    Publication date: October 26, 2023
    Inventors: Seungjae LEE, Changwoo KIM, Byungku KIM, Hyung Sun KIM, Dong Wan RYU, Chang Ju SHIN, Kipo JANG, Min Seok SEO, Sung-Hyun JUNG
  • Patent number: 11800794
    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: Grant
    Filed: July 16, 2020
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jihyun Lui, Changwoo Kim, Dong Wan Ryu, Chang Ju Shin, Hyung Sun Kim, Seungjae Lee, Jihun Shin, Sung-Hyun Jung, Ho Kuk Jung
  • Publication number: 20230329097
    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: June 15, 2023
    Publication date: October 12, 2023
    Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG
  • Publication number: 20230255109
    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: March 20, 2023
    Publication date: August 10, 2023
    Inventors: Seungjae LEE, Changwoo KIM, Byungku KIM, Hyung Sun KIM, Dong Wan RYU, Chang Ju SHIN, Kipo JANG, Min Seok SEO, Sung-Hyun JUNG
  • Publication number: 20230227994
    Abstract: Disclosed are an ink composition for an electrophoresis apparatus including (A) a semiconductor nanorod; and (B) a compound represented by Chemical Formula 1, and a display device manufactured using the ink composition for an electrophoresis apparatus.
    Type: Application
    Filed: May 21, 2021
    Publication date: July 20, 2023
    Inventors: Jinsuop YOUN, Dong Wan RYU, Misun KIM, Young Min KIM, Janghyuk KIM, Young Woo PARK, Chuljin PARK, Jiyoung JEONG, Eun Sun YU
  • Patent number: 11690288
    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: Grant
    Filed: July 4, 2018
    Date of Patent: June 27, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Sangshin Lee, Seungjae Lee, Sung-Hyun Jung, Eun Sun Yu, Dalho Huh
  • Patent number: 11673875
    Abstract: The present invention relates to an organic compound represented by Chemical Formula 1, an organic optoelectronic diode, and a display device.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: June 13, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Sung-Hyun Jung, Dong Wan Ryu, Chang Ju Shin, Hanill Lee, Chunkeun Jang
  • Patent number: 11659765
    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: Grant
    Filed: October 10, 2018
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    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
  • Patent number: 11655205
    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: Grant
    Filed: September 1, 2020
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Jinhyun Lui, Hyunji Yoo, Youngkyoung Jo, Seungchul Lyu, Min Seok Seo, Ho Kuk Jung, Sung-Hyun Jung
  • Patent number: 11616202
    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: Grant
    Filed: May 22, 2019
    Date of Patent: March 28, 2023
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Seungjae Lee, Changwoo Kim, Byungku Kim, Hyung Sun Kim, Dong Wan Ryu, Chang Ju Shin, Kipo Jang, Min Seok Seo, Sung-Hyun Jung
  • Patent number: 11563179
    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: Grant
    Filed: April 13, 2015
    Date of Patent: January 24, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    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
  • Publication number: 20220384738
    Abstract: a compound for an organic optoelectronic device represented by a combination of Chemical Formula 1 and 2, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device. Details of Chemical Formulas 1 and 2 are as described in the specification.
    Type: Application
    Filed: June 26, 2020
    Publication date: December 1, 2022
    Inventors: Jinhyun LUI, Dong Min KANG, Dong Wan RYU, Ho Kuk JUNG, Sangshin LEE, Jaehoon KIM, Changwoo KIM, Chang Ju SHIN, Namheon LEE, Sung-Hyun JUNG