Patents by Inventor Janghyuk KIM

Janghyuk KIM 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: 20250026948
    Abstract: Embodiments provide an ink composition, a film manufactured using the ink composition, and an electrophoretic display device including the film. The ink composition includes (A) a semiconductor nanorod, and (B) a dispersion medium, wherein the dispersion medium includes: (B1) a compound which has a viscosity at 25° C. of 70 cps or less and has a dielectric constant of 5 or more; (B2) a compound which has a viscosity at 25° C. of 80 cps or more or is a solid and has a dielectric constant of 5 or more; (B3) a compound which has a viscosity at 25° C. of 20 cps or more or is a solid and has a dielectric constant of less than 5; and (B4) a compound which has a viscosity at 25° C. of 12 cps or less or is a solid and has a dielectric constant of 4 to 7.5.
    Type: Application
    Filed: June 4, 2024
    Publication date: January 23, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Jinsuop YOUN, Minjun KIM, BONGYONG KIM, YoungMin KIM, YOUNG WOO PARK, CHULJIN PARK, JEONGWOO LEE, Young Woong JANG, HYUNMOO CHOI, MISUN KIM, Janghyuk Kim, Heeje WOO, Eunsun YU
  • 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: 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: 20240093042
    Abstract: Embodiments provide an ink composition, a layer manufactured using the ink composition, an electrophoresis device including the layer, and a display device including the layer. The ink composition includes a semiconductor nanorod, and a solvent that satisfies Equation 1: |?1??2|/?1*100?10??[Equation 1] In Equation 1, ?1 is a dielectric constant of the solvent at 50 Hz, and ?2 is a dielectric constant of the solvent at 50 kHz.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 21, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Janghyuk KIM, Jinsuop YOUN, Kyuyoung KIM, MISUN KIM, Minjun KIM, BONGYONG KIM, YoungMin KIM, CHULJIN PARK, Heeje WOO, JEONGWOO LEE, HYUNMOO CHOI
  • Publication number: 20240059919
    Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, an electrophoresis device including the layer, and a display device, the ink composition including (A) a semiconductor nanorod including: a functional group represented by Chemical Formula 1; and (B) a solvent. In Chemical Formula 1, each substituent is as defined in the specification.
    Type: Application
    Filed: August 2, 2023
    Publication date: February 22, 2024
    Inventors: Minjun KIM, Kyuyoung KIM, MISUN KIM, BONGYONG KIM, YoungMin KIM, Janghyuk KIM, YOUNG WOO PARK, CHULJIN PARK, Heeje WOO, EUN SUN YU, Jinsuop YOUN, JEONGWOO LEE, HYUNMOO CHOI
  • 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: 20230407124
    Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, an electrophoresis apparatus including the layer, and a display device, the ink composition including (A) a semiconductor nanorod, and (B) a solvent including a compound having a set or specific structure, wherein the solvent has an electrical conductivity of less than 2.0 ?S/m at 25° C.
    Type: Application
    Filed: June 16, 2023
    Publication date: December 21, 2023
    Inventors: Janghyuk KIM, Kyuyoung KIM, MISUN KIM, CHULJIN PARK, Heeje WOO, Jinsuop YOUN, HYUNMOO CHOI, Minjun KIM, EUN SUN YU
  • Publication number: 20230407122
    Abstract: Embodiments provide an ink composition, a layer manufactured using the ink composition, and an electrophoresis apparatus and a display device including the same. The ink composition includes a semiconductor nanorod including at least one functional group each independently represented by one of Chemical Formula 1-1 to Chemical Formula 1-3, and a solvent.
    Type: Application
    Filed: June 16, 2023
    Publication date: December 21, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jinsuop YOUN, Kyuyoung KIM, MISUN KIM, Minjun KIM, BONGYONG KIM, YoungMin KIM, Janghyuk KIM, YOUNG WOO PARK, CHULJIN PARK, Heeje WOO, EUN SUN YU, JEONGWOO LEE, HYUNMOO CHOI
  • 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: 10803452
    Abstract: An electronic device and a method of payment are provided. The electronic device includes a secure module capable of storing at least one token, a first communication module, a second communication module, and at least one processor functionally or operatively connecting the secure module, the first and second communication modules to each other. The at least one processor is configured to control for determining at least one of the first and second communication modules as a communication module for performing a payment, and transmitting payment information containing a token related to the at least one of the first and second communication modules, from among the at least one token, to an external electronic device.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Jik Kim, Heegyu Jin, Sridhar Rajiv Kavuri, Janghyuk Kim, Cholseo Park
  • Publication number: 20200160325
    Abstract: An electronic device and a method of payment are provided. The electronic device includes a secure module capable of storing at least one token, a first communication module, a second communication module, and at least one processor functionally or operatively connecting the secure module, the first and second communication modules to each other. The at least one processor is configured to control for determining at least one of the first and second communication modules as a communication module for performing a payment, and transmitting payment information containing a token related to the at least one of the first and second communication modules, from among the at least one token, to an external electronic device.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Inventors: Eun Jik KIM, Heegyu JIN, Sridhar Rajiv KAVURI, Janghyuk KIM, Cholseo PARK
  • Patent number: 10546291
    Abstract: An electronic device and a method of payment are provided. The electronic device includes a secure module capable of storing at least one token, a first communication module, a second communication module, and at least one processor functionally or operatively connecting the secure module, the first and second communication modules to each other. The at least one processor is configured to control for determining at least one of the first and second communication modules as a communication module for performing a payment, and transmitting payment information containing a token related to the at least one of the first and second communication modules, from among the at least one token, to an external electronic device.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: January 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Jik Kim, Heegyu Jin, Sridhar Rajiv Kavuri, Janghyuk Kim, Cholseo Park
  • Publication number: 20170068953
    Abstract: An electronic device and a method of payment are provided. The electronic device includes a secure module capable of storing at least one token, a first communication module, a second communication module, and at least one processor functionally or operatively connecting the secure module, the first and second communication modules to each other. The at least one processor is configured to control for determining at least one of the first and second communication modules as a communication module for performing a payment, and transmitting payment information containing a token related to the at least one of the first and second communication modules, from among the at least one token, to an external electronic device.
    Type: Application
    Filed: September 8, 2016
    Publication date: March 9, 2017
    Inventors: Eun Jik KIM, Heegyu JIN, Sridhar Rajiv KAVURI, Janghyuk KIM, Cholseo PARK