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: 12289993
    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: Grant
    Filed: June 15, 2023
    Date of Patent: April 29, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Chang Ju Shin, Seungjae Lee, Hyung Sun Kim, Yuna Jang, Eun Sun Yu, Sung-Hyun Jung
  • Publication number: 20250054758
    Abstract: A semiconductor photoresist composition includes: an organic tin compound represented by Chemical Formula 1; and a solvent: where the detailed description of Chemical Formula 1 is as described in the specification. In addition, a method of forming patterns includes: 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 with the photoresist pattern as an etching mask.
    Type: Application
    Filed: July 29, 2024
    Publication date: February 13, 2025
    Inventors: Dong Wan RYU, Eunmi KANG, Young Keun Kim, Seol Hee LIM, Soobin LIM, Sukil KANG
  • Patent number: 12225815
    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: Grant
    Filed: November 7, 2023
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Chang Ju Shin, Seungjae Lee, Hyung Sun Kim, Yuna Jang, Eun Sun Yu, Sung-Hyun Jung
  • Patent number: 12225814
    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: Grant
    Filed: December 31, 2018
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Changwoo Kim, Seungjae Lee, Hyung Sun Kim, Dong Wan Ryu, Chang Ju Shin, Kipo Jang, Sung-Hyun Jung, Juyeon Jung, Handong Chu
  • Patent number: 12213378
    Abstract: Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, and an organic optoelectronic device and a display device including the same. Details of Chemical Formula 1 are as defined in the specification.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chang Ju Shin, Hyung Sun Kim, Dong Wan Ryu, Jongwoo Won, Hanill Lee, Jinseok Jang, Ho Kuk Jung, Dongkyu Ryu, Hyunji Yoo, Mijin Lee, Sung-Hyun Jung
  • Publication number: 20240393698
    Abstract: A composition configured for removing edge beads from metal-containing resists and/or as a developer composition of metal-containing resists is water-free and includes an organic solvent and at least one additive selected from among an amino acid-based compound, a sulfur-containing acid compound, and a sulfur-containing amine-based compound. A method of forming patterns using the composition includes coating a metal-containing resist composition on a substrate; coating the composition configured for removing edge beads from metal-containing resists of the present embodiments along edges of the substrate; drying and heating to form a metal-containing resist film on the substrate; exposing the metal-containing photoresist film; and developing the metal-containing resist film with the developer composition of metal-containing resists.
    Type: Application
    Filed: April 4, 2024
    Publication date: November 28, 2024
    Inventors: Si-Kyun PARK, Minsoo KIM, Jin-Hee BAE, Hyungrang MOON, Taeksoo KWAK, Jongpil HO, Dong Wan RYU, Ahra CHO, Myoungsoo SONG, Gyeonghun PARK, Jin Hee CHOI
  • Patent number: 12144249
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1:
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: November 12, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jongwoo Won, Dong Wan Ryu, Hayun Song, Eunhye An, Hyung Sun Kim, Jinhyun Lui, Mijin Lee, Hyungyu Lee, Sung-Hyun Jung, Ho Kuk Jung
  • Publication number: 20240352270
    Abstract: Provided are an ink composition, a layer prepared using the ink composition, and a display device comprising the layer, the ink composition comprising a solvent comprising (A) semiconductor nanorods, and (B) at least one diol-based compound, wherein the ink composition has a viscosity of at least 50 cps at 20° C. to 25° C. and at most 20 cps at 35° C. to 65° C.
    Type: Application
    Filed: February 14, 2022
    Publication date: October 24, 2024
    Inventors: Jiyoung JEONG, Misun KIM, Young Min KIM, Janghyuk KIM, Dong Wan RYU, Young Woo PARK, Chuljin PARK, Eun Sun YU, Jinsuop YOUN
  • Publication number: 20240345477
    Abstract: Disclosed are a semiconductor photoresist composition including an organometallic compound represented by Chemical Formula 1, and a solvent, a method of forming patterns using the same.
    Type: Application
    Filed: February 26, 2024
    Publication date: October 17, 2024
    Inventors: Dong Wan RYU, Young Keun KIM, Seol Hee LIM, Soobin LIM, Sukil KANG
  • 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