Patents by Inventor Hee-Jung Yang

Hee-Jung Yang 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: 20250091879
    Abstract: The present invention relates to: a method for preparing a non-oxidized carbon nanotube dispersion through mechanical impregnation so as to apply carbon nanotubes having a hydrophobic surface and a bundle shape as a high-performance conductive material of a negative electrode or a positive electrode for a secondary battery through solvent dispersion without acid treatment; and a non-oxidized carbon nanotube dispersion for a conductive material of a secondary battery, prepared by the method.
    Type: Application
    Filed: November 5, 2024
    Publication date: March 20, 2025
    Inventors: Seung Yol JEONG, Byeong Guk KIM, Ick Jun KIM, Sun Hye YANG, Geon Woong LEE, Hye Jung LEE, Soo Yeon JEONG, Jung Mo KIM, Ji Hyeon RYU, Hee Jin JEONG
  • Publication number: 20240242296
    Abstract: The present disclosure provides a method for realizing a new type of stay purpose estimation technology that can estimate the purpose of a user's stay regardless of a label data, departing from a method which predetermines a label data in order to estimate a stay purpose.
    Type: Application
    Filed: June 2, 2022
    Publication date: July 18, 2024
    Inventors: Ga In HAN, Min Hyok BANG, Hong Beom AHN, Hee Jung YANG, Yong Doo LEE, Kyong Jin JO, Yoon Young CHOI
  • Patent number: 11730016
    Abstract: A display apparatus comprising a driving circuit that includes a storage capacitor and at least one thin film transistor, and a light-emitting device that includes a region disposed outside the driving circuit and a region overlapping with the storage capacitor, each of capacitor electrodes of the storage capacitor being a transparent electrode having a relatively higher transmittance, so that the quality of the image realized on an outer surface of a device substrate which supports the driving circuit and the light-emitting device of each pixel area can be improved.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: August 15, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae Kyu Jeong, Hee Jung Yang, Keum Kyu Min, Ara Kim
  • Publication number: 20230182118
    Abstract: The present disclosure relates to a novel ruthenium oxide, a method of preparing the same, and a catalyst for selective hydrogenation of an aromatic compound or an unsaturated compound including the ruthenium oxide.
    Type: Application
    Filed: January 20, 2023
    Publication date: June 15, 2023
    Inventors: Nam Hwi HUR, Hee-Jung YANG
  • Patent number: 11597842
    Abstract: The present invention relates to: a labeling dye having excellent fluorescent intensity and photostability; and a kit.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: March 7, 2023
    Assignee: SFC CO., LTD.
    Inventors: Bong-Ki Shin, Tae-Young Kim, Ju-Man Song, Hee-Jung Yang, Jong-Tae Je
  • Publication number: 20220165828
    Abstract: A display apparatus comprising a driving circuit that includes a storage capacitor and at least one thin film transistor, and a light-emitting device that includes a region disposed outside the driving circuit and a region overlapping with the storage capacitor, each of capacitor electrodes of the storage capacitor being a transparent electrode having a relatively higher transmittance, so that the quality of the image realized on an outer surface of a device substrate which supports the driving circuit and the light-emitting device of each pixel area can be improved.
    Type: Application
    Filed: April 29, 2021
    Publication date: May 26, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Jae Kyu JEONG, Hee Jung YANG, Keum Kyu MIN, Ara KIM
  • Patent number: 10903282
    Abstract: An organic light emitting display device includes a substrate including a white pixel region, a blue color filter pattern in a first region of the white pixel region, an overcoat layer covering the blue color filer pattern and including a micro-lens, a first electrode on the overcoat layer, an organic emitting layer covering the first electrode, and a second electrode covering the organic emitting layer.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: January 26, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Hoon Choi, So-Young Jo, Min-Geun Choi, Hee-Jung Yang, Soo-Kang Kim
  • Publication number: 20200255668
    Abstract: The present invention relates to: a labeling dye having excellent fluorescent intensity and photostability; and a kit.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Applicant: SFC CO., LTD.
    Inventors: Bong-Ki SHIN, Tae-Young KIM, Ju-man SONG, Hee-Jung YANG, Jong-Tae JE
  • Patent number: 10672846
    Abstract: An organic light-emitting display device protects a first electrode and reduces any effect due to light leakage from the top or the peripheral side of a bank, thereby increasing lifespan. The organic light-emitting display device includes a first electrode protective pattern.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: June 2, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Jung Yang, Woo-Sup Shin, Gyu-Won Han
  • Patent number: 10361257
    Abstract: Disclosed are an organic light-emitting display device and a method of manufacturing the same. The organic light-emitting display device includes a thin-film transistor including source and drain electrodes, a first electrode formed by extending the source or drain electrode, a passivation layer and a bank insulation layer on the thin-film transistor configured to expose the first electrode so as to define an emission area, an organic light-emitting layer provided on the first electrode, and a second electrode configured to cover the organic light-emitting layer. The source or drain electrode includes a plurality of layers and the first electrode is integrally formed with any one layer portion of the source or drain electrode.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: July 23, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Jung Yang, Woo-Sup Shin
  • Publication number: 20190103442
    Abstract: An organic light emitting display device includes a substrate including a white pixel region, a blue color filter pattern in a first region of the white pixel region, an overcoat layer covering the blue color filer pattern and including a micro-lens, a first electrode on the overcoat layer, an organic emitting layer covering the first electrode, and a second electrode covering the organic emitting layer.
    Type: Application
    Filed: September 24, 2018
    Publication date: April 4, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Yong-Hoon CHOI, So-Young JO, Min-Geun CHOI, Hee-Jung YANG, Soo-Kang KIM
  • Publication number: 20190019852
    Abstract: An organic light-emitting display device protects a first electrode and reduces any effect due to light leakage from the top or the peripheral side of a bank, thereby increasing lifespan. The organic light-emitting display device includes a first electrode protective pattern.
    Type: Application
    Filed: September 6, 2018
    Publication date: January 17, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Hee-Jung Yang, Woo-Sup Shin, Gyu-Won Han
  • Patent number: 10079273
    Abstract: An organic light-emitting display device protects a first electrode and reduces any effect due to light leakage from the top or the peripheral side of a bank, thereby increasing lifespan. The organic light-emitting display device includes a first electrode protective pattern.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: September 18, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Jung Yang, Woo-Sup Shin, Gyu-Won Han
  • Patent number: 10043679
    Abstract: A method of fabricating an array substrate including forming an oxide semiconductor layer on a substrate; sequentially forming a gate insulating layer and a gate electrode corresponding to a central portion of the oxide semiconductor layer; forming source and drain areas having conductive properties in the oxide semiconductor layer by irradiating X-rays or UV rays to the oxide semiconductor layer exposed outside the gate electrode; forming an inter insulating layer on the gate electrode and having first contact holes that expose the source and drain areas; and forming source and drain electrodes on the inter insulating layer and contacting the source and drain areas through the first contact holes, respectively.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: August 7, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hee-Jung Yang, Hyung-Tae Kim, Jae-Young Jeong, Gyu-Won Han, Dong-Sun Kim, Won-Joon Ho
  • Publication number: 20180190737
    Abstract: Disclosed are an organic light-emitting display device and a method of manufacturing the same. The organic light-emitting display device includes a thin-film transistor including source and drain electrodes, a first electrode formed by extending the source or drain electrode, a passivation layer and a bank insulation layer on the thin-film transistor configured to expose the first electrode so as to define an emission area, an organic light-emitting layer provided on the first electrode, and a second electrode configured to cover the organic light-emitting layer. The source or drain electrode includes a plurality of layers and the first electrode is integrally formed with any one layer portion of the source or drain electrode.
    Type: Application
    Filed: October 26, 2017
    Publication date: July 5, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: Hee-Jung Yang, Woo-Sup Shin
  • Publication number: 20180033841
    Abstract: An organic light-emitting display device protects a first electrode and reduces any effect due to light leakage from the top or the peripheral side of a bank, thereby increasing lifespan. The organic light-emitting display device includes a first electrode protective pattern.
    Type: Application
    Filed: May 16, 2017
    Publication date: February 1, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: Hee-Jung Yang, Woo-Sup Shin, Gyu-Won Han
  • Publication number: 20170194168
    Abstract: A method of fabricating an array substrate including forming an oxide semiconductor layer on a substrate; sequentially forming a gate insulating layer and a gate electrode corresponding to a central portion of the oxide semiconductor layer; forming source and drain areas having conductive properties in the oxide semiconductor layer by irradiating X-rays or UV rays to the oxide semiconductor layer exposed outside the gate electrode; forming an inter insulating layer on the gate electrode and having first contact holes that expose the source and drain areas; and forming source and drain electrodes on the inter insulating layer and contacting the source and drain areas through the first contact holes, respectively.
    Type: Application
    Filed: March 21, 2017
    Publication date: July 6, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hee-Jung YANG, Hyung-Tae KIM, Jae-Young JEONG, Gyu-Won HAN, Dong-Sun KIM, Won-Joon HO
  • Patent number: 9640567
    Abstract: A method of fabrication an array substrate which includes foaming an oxide semiconductor layer on a substrate; forming a gate insulating layer corresponding to a central portion of the oxide semiconductor layer; forming a first reactive metallic pattern and second reactive metallic patterns on the gate insulating layer and portions of the oxide semiconductor layer exposed outside the gate insulating layer, respectively; forming a gate electrode on the first reactive metallic pattern; forming source and drain areas having conductive properties in the oxide semiconductor layer by performing heat treatment such that materials of the second reactive metallic patterns are diffused into the oxide semiconductor layer contacting the second reactive metallic patterns; forming an inter insulating layer on the gate electrode and having first contact holes that expose the second reactive metallic patterns; and forming source and drain electrodes on the inter insulating layer and contacting the second reactive metallic pa
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: May 2, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hee-Jung Yang, Hyung-Tae Kim, Jae-Young Jeong, Gyu-Won Han, Dong-Sun Kim, Won-Joon Ho
  • Publication number: 20160172388
    Abstract: A method of fabrication an array substrate which includes foaming an oxide semiconductor layer on a substrate; forming a gate insulating layer corresponding to a central portion of the oxide semiconductor layer; forming a first reactive metallic pattern and second reactive metallic patterns on the gate insulating layer and portions of the oxide semiconductor layer exposed outside the gate insulating layer, respectively; forming a gate electrode on the first reactive metallic pattern; forming source and drain areas having conductive properties in the oxide semiconductor layer by performing heat treatment such that materials of the second reactive metallic patterns are diffused into the oxide semiconductor layer contacting the second reactive metallic patterns; forming an inter insulating layer on the gate electrode and having first contact holes that expose the second reactive metallic patterns; and forming source and drain electrodes on the inter insulating layer and contacting the second reactive metallic pa
    Type: Application
    Filed: February 10, 2016
    Publication date: June 16, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hee-Jung YANG, Hyung-Tae KIM, Jae-Young JEONG, Gyu-Won HAN, Dong-Sun KIM, Won-Joon HO
  • Patent number: 9293603
    Abstract: An oxide thin film transistor (TFT) includes an oxide semiconductor layer including a first semiconductor layer and a second semiconductor layer on the first semiconductor layer; a gate insulating layer on the oxide semiconductor layer; a gate electrode on the gate insulating layer; an interlayer insulating layer on the gate electrode; and a source electrode and a drain electrode on the interlayer insulating layer and contacting the oxide semiconductor layer, wherein a first reflectance of the first semiconductor layer is greater than a second semiconductor layer.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: March 22, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Jung Yang, Won-Joon Ho, A-Ra Kim