Patents by Inventor Hyun Ji OH

Hyun Ji OH 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: 10825394
    Abstract: A display device is described comprising sub-pixels that include: a first driving transistor and a second driving transistor, each of which control a current flowing from a first electrode to a second electrode in accordance with a data voltage applied to a gate electrode; a light emitting element connected to the second electrodes of the first driving transistor and the second driving transistor; and a first contact hole and a second contact hole which are disposed in the gate electrode, wherein the gate electrode includes a first gate electrode overlapping the first driving transistor in a thickness direction and a second gate electrode overlapping the second driving transistor in the thickness direction, and the first contact hole is located in the first gate electrode, the second contact hole is located in the second gate electrode, and the first contact hole and the second contact hole overlap each other.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mi Hae Kim, Hyun Ji Kang, Kyung Hoon Kim, Jae Du Noh, Jeong Hun Bang, Kyong Hwan Oh
  • Publication number: 20200321530
    Abstract: The present invention provides an organic electroluminescent element and electronic device thereof, wherein the organic electroluminescent element comprises the compound represented by Formula 1 as material for an emission-auxiliary layer, and by comprising the compound represented by Formula 1 in the emission-auxiliary layer, the driving voltage of the organic electroluminescent element can be lowered, and the luminous efficiency and life time of the organic electroluminescent element can be improved.
    Type: Application
    Filed: December 17, 2018
    Publication date: October 8, 2020
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Se Hoon LEE, Yun Suk LEE, Jung Hwan PARK, Jung Wook LEE, Sun Hee LEE, Tae Seop CHOI, Hyun Ji OH
  • Publication number: 20200302860
    Abstract: A display device is described comprising sub-pixels that include: a first driving transistor and a second driving transistor, each of which control a current flowing from a first electrode to a second electrode in accordance with a data voltage applied to a gate electrode; a light emitting element connected to the second electrodes of the first driving transistor and the second driving transistor; and a first contact hole and a second contact hole which are disposed in the gate electrode, wherein the gate electrode includes a first gate electrode overlapping the first driving transistor in a thickness direction and a second gate electrode overlapping the second driving transistor in the thickness direction, and the first contact hole is located in the first gate electrode, the second contact hole is located in the second gate electrode, and the first contact hole and the second contact hole overlap each other.
    Type: Application
    Filed: September 19, 2019
    Publication date: September 24, 2020
    Inventors: Mi Hae Kim, Hyun Ji Kang, Kyung Hoon Kim, Jae Du Noh, Jeong Hun Bang, Kyong Hwan Oh
  • Publication number: 20190359812
    Abstract: A thermoplastic resin composition and a molded article produced using the same.
    Type: Application
    Filed: May 13, 2019
    Publication date: November 28, 2019
    Inventors: Jin Seong LEE, Gi Sun KIM, Hyun Ji OH, Young Chul KWON, Hyun Taek JEONG
  • Patent number: 10377892
    Abstract: A thermoplastic resin composition includes: about 100 parts by weight of a base resin including about 14 wt % to about 25 wt % of (A) a (meth)acrylate-aromatic vinyl-vinyl cyanide copolymer and about 75 wt % to about 86 wt % of (B) a (meth)acrylate resin; and about 25 parts by weight to about 35 parts by weight of (C) an antistatic resin including at least one of a polyether-ester amide block copolymer, a poly(alkylene) glycol and a polyamide, relative to about 100 parts by weight of the base resin.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: August 13, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventor: Hyun Ji Oh
  • Publication number: 20180186994
    Abstract: A thermoplastic resin composition includes: about 100 parts by weight of a base resin including about 14 wt % to about 25 wt % of (A) a (meth)acrylate-aromatic vinyl-vinyl cyanide copolymer and about 75 wt % to about 86 wt % of (B) a (meth)acrylate resin; and about 25 parts by weight to about 35 parts by weight of (C) an antistatic resin including at least one of a polyether-ester amide block copolymer, a poly(alkylene) glycol and a polyamide, relative to about 100 parts by weight of the base resin.
    Type: Application
    Filed: December 19, 2017
    Publication date: July 5, 2018
    Inventor: Hyun Ji OH