Patents by Inventor Jeongeun BAEK

Jeongeun BAEK 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: 10868044
    Abstract: Carbon allotropes, a thin-film transistor array substrate comprising the same, and a display device comprising the same are disclosed. The thin-film transistor array substrate comprising a substrate, a gate electrode on the substrate, a gate insulating film on the gate electrode, an active layer positioned on the gate insulating film and comprising a semiconductor material and a plurality of carbon allotropes, and a source electrode and a drain electrode that make contact with the active layer.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: December 15, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jiyeon Kang, Changeun Kim, Jeongeun Baek, Sungjin Kim
  • Patent number: 10529806
    Abstract: A carbon allotrope and a display device including the same are disclosed. The thin-film transistor array substrate, comprising a substrate, a gate electrode on the substrate, an active layer comprising a first active layer, which opposes the gate electrode and is adjacent to the gate electrode thereby comprising a semiconductor material and a plurality of carbon allotropes, and a second active layer, which is in contact with the first active layer and comprises a semiconductor material, a gate insulating film between the gate electrode and the active layer, and a source electrode and a drain electrode respectively in contact with the active layer.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: January 7, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Changeun Kim, Jeongeun Baek, Yonggyoon Jang, Sungjin Kim
  • Patent number: 10468473
    Abstract: Carbon allotropes, a thin-film transistor array substrate comprising the same, and a display device comprising the same are disclosed. The thin-film transistor array substrate comprising a substrate, a gate electrode on the substrate, a gate insulating film on the gate electrode, an active layer positioned on the gate insulating film and comprising a semiconductor material and a plurality of carbon allotropes, and a source electrode and a drain electrode that make contact with the active layer.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: November 5, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Jiyeon Kang, Changeun Kim, Jeongeun Baek, Sungjin Kim
  • Patent number: 10290692
    Abstract: A thin-film transistor array substrate and a display device are disclosed. The thin-film transistor array substrate includes a substrate, a gate electrode disposed on the substrate, an active layer, which opposites the gate electrode, has a first region and a second region having different thicknesses, and comprises at least a semiconductor material, a gate insulating film interposed between the gate electrode and the active layer, and a source electrode and a drain electrode, which are respectively in contact with the active layer.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: May 14, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Changeun Kim, Yonggyoon Jang, Jeongeun Baek, Sungjin Kim
  • Publication number: 20180182833
    Abstract: A thin-film transistor array substrate and a display device are disclosed. The thin-film transistor array substrate includes a substrate, a gate electrode disposed on the substrate, an active layer, which opposites the gate electrode, has a first region and a second region having different thicknesses, and comprises at least a semiconductor material, a gate insulating film interposed between the gate electrode and the active layer, and a source electrode and a drain electrode, which are respectively in contact with the active layer.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 28, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: Changeun KIM, Yonggyoon JANG, Jeongeun BAEK, Sungjin KIM
  • Publication number: 20180097062
    Abstract: A carbon allotrope and a display device including the same are disclosed. The thin-film transistor array substrate, comprising a substrate, a gate electrode on the substrate, an active layer comprising a first active layer, which opposes the gate electrode and is adjacent to the gate electrode thereby comprising a semiconductor material and a plurality of carbon allotropes, and a second active layer, which is in contact with the first active layer and comprises a semiconductor material, a gate insulating film between the gate electrode and the active layer, and a source electrode and a drain electrode respectively in contact with the active layer.
    Type: Application
    Filed: September 25, 2017
    Publication date: April 5, 2018
    Inventors: Changeun KIM, Jeongeun BAEK, Yonggyoon JANG, Sungjin KIM
  • Publication number: 20170194408
    Abstract: Carbon allotropes, a thin-film transistor array substrate comprising the same, and a display device comprising the same are disclosed. The thin-film transistor array substrate comprising a substrate, a gate electrode on the substrate, a gate insulating film on the gate electrode, an active layer positioned on the gate insulating film and comprising a semiconductor material and a plurality of carbon allotropes, and a source electrode and a drain electrode that make contact with the active layer.
    Type: Application
    Filed: December 23, 2016
    Publication date: July 6, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Jiyeon KANG, Changeun KIM, Jeongeun BAEK, Sungjin KIM
  • Publication number: 20170186776
    Abstract: Carbon allotropes, a thin-film transistor array substrate comprising the same, and a display device comprising the same are disclosed. The thin-film transistor array substrate comprising a substrate, a gate electrode on the substrate, a gate insulating film on the gate electrode, an active layer positioned on the gate insulating film and comprising a semiconductor material and a plurality of carbon allotropes, and a source electrode and a drain electrode that make contact with the active layer.
    Type: Application
    Filed: December 20, 2016
    Publication date: June 29, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Jiyeon KANG, Changeun KIM, Jeongeun BAEK, Sungjin KIM