Patents by Inventor Seog-Shin Kang

Seog-Shin Kang 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: 10840305
    Abstract: An organic light emitting diode display device in one example includes a substrate including first to third subpixels, a first electrode in each of the first to third subpixels, a hole injection layer on the first electrode in each of the first to third subpixels, first to third light emitting layers each on the hole injection layer in each of the first to third subpixels, first to third inorganic patterns which are on the first to third emitting layers in the first to third subpixels, respectively, an electron injection layer which is on the first to third inorganic patterns and is over the entire surfaces of the first to third subpixels, and a second electrode which is on the electron injection layer and is over the entire surfaces of the first to third subpixels.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: November 17, 2020
    Assignee: LG DISPLAY CO, LTD.
    Inventors: Dong-Hee Yoo, Seog-Shin Kang, Yeon-Suk Kang
  • Publication number: 20190198577
    Abstract: An organic light emitting diode display device in one example includes a substrate including first to third subpixels, a first electrode in each of the first to third subpixels, a hole injection layer on the first electrode in each of the first to third subpixels, first to third light emitting layers each on the hole injection layer in each of the first to third subpixels, first to third inorganic patterns which are on the first to third emitting layers in the first to third subpixels, respectively, an electron injection layer which is on the first to third inorganic patterns and is over the entire surfaces of the first to third subpixels, and a second electrode which is on the electron injection layer and is over the entire surfaces of the first to third subpixels.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 27, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Dong-Hee Yoo, Seog-Shin Kang, Yeon-Suk Kang
  • Patent number: 9371484
    Abstract: An organic light emitting diode (OLED) device includes a first electrode; a second electrode facing the first electrode; an emitting material layer disposed between the first and second electrodes and a horizontally oriented liquid crystal type emitting material.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: June 21, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Kyung-Jin Yoon, Gee-Sung Chae, Soon-Wook Cha, Kyung-Hoon Lee, Seog-Shin Kang, Su-Yeon Lee, Hyo-Jin Noh, Dae-Wi Yoon
  • Publication number: 20140160398
    Abstract: The present invention provides an organic light emitting diode (OLED) device including a first electrode; a second electrode facing the first electrode; an emitting material layer disposed between the first and second electrodes and including a liquid crystal type emitting material being horizontally oriented.
    Type: Application
    Filed: August 22, 2013
    Publication date: June 12, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Kyung-Jin YOON, Gee-Sung CHAE, Soon-Wook CHA, Kyung-Hoon LEE, Seog-Shin KANG, Su-Yeon LEE, Hyo-Jin NOH, Dae-Wi YOON
  • Publication number: 20120305894
    Abstract: Disclosed are a blue phosphorescent compound with a high color purity and a high efficiency, and an organic electroluminescent device using the same. The blue phosphorescent compound is represented by the following Formula: wherein R1 to R5 are each independently hydrogen (H), fluorine (F), chlorine (Cl), bromine (Br), a cyano group, a C1 to C6 alkyl group, a C1 to C6 alkoxy group, a C6 to C20 substituted or unsubstituted aromatic group, a C5 to C20 substituted or unsubstituted heterocyclic group, a C1 to C6 amine group, a C6 to C20 aromatic-substituted amine group, or a C5 to C20 heterocycle-substituted amine group, X is selected from nitrogen (N), oxygen (O), phosphorous (P) and sulfur (S) atoms, at least one of A1, A2, A3 and A4 is nitrogen (N), and the remaining are selected from hydrogen (H)-substituted carbon, and alkyl or alkoxy-substituted carbon, L is a monodentate or bidentate ligand and n is 1 to 3.
    Type: Application
    Filed: December 28, 2011
    Publication date: December 6, 2012
    Inventors: Do-Han Kim, Seung-Jae Lee, Jae-Han Bae, Dae-Wi Yoon, In-Bum Song, Jung-Keun Kim, Jong-Kwan Bin, Nam-Sung Cho, Seog-Shin Kang, Joong-Hwan Yang