Patents by Inventor Ahn-Ki KIM

Ahn-Ki 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).

  • Display apparatus having light-emitting device
    Patent number: 12207520
    Abstract: A light-emitting device includes a light-emitting layer between a first electrode and a second electrode, he light emitted from the light-emitting device may display a white color, the light-emitting layer may include a plurality of emission stacks, each of the emission stacks includes at least one emission material layer, one of the emission stacks may include a stacked structure of a red emission material layer and a blue emission material layer, thus improving the white balance and increasing color viewing angle.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: January 21, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hong Seok Choi, Chun Ki Kim, Ahn Ki Kim, Kyung Hoon Han
  • Display panel and head mounted display device having the same
    Patent number: 11828943
    Abstract: Disclosed are a display panel which changes the inner structure of an organic light emitting stack and a color transmission structure so as to improve luminance, and a head mounted display device using the same.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: November 28, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung-Ryong Joung, Sang-Hun Han, Ahn-Ki Kim, Hong-Seok Choi, Yoon-Deok Han, Gyeong-Woo Kim, Jun-Ho Lee, Hee-Su Byeon
  • DISPLAY APPARATUS HAVING LIGHT-EMITTING DEVICE
    Publication number: 20220208860
    Abstract: A light-emitting device includes a light-emitting layer between a first electrode and a second electrode, he light emitted from the light-emitting device may display a white color, the light-emitting layer may include a plurality of emission stacks, each of the emission stacks includes at least one emission material layer, one of the emission stacks may include a stacked structure of a red emission material layer and a blue emission material layer, thus improving the white balance and increasing color viewing angle.
    Type: Application
    Filed: December 27, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hong Seok CHOI, Chun Ki KIM, Ahn Ki KIM, Kyung Hoon HAN
  • DISPLAY PANEL AND HEAD MOUNTED DISPLAY DEVICE HAVING THE SAME
    Publication number: 20210199972
    Abstract: Disclosed are a display panel which changes the inner structure of an organic light emitting stack and a color transmission structure so as to improve luminance, and a head mounted display device using the same.
    Type: Application
    Filed: December 18, 2020
    Publication date: July 1, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Seung-Ryong JOUNG, Sang-Hun HAN, Ahn-Ki KIM, Hong-Seok CHOI, Yoon-Deok HAN, Gyeong-Woo KIM, Jun-Ho LEE, Hee-Su BYEON