Patents by Inventor Daehyun AHN

Daehyun AHN 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).

  • SINGLE PHOTON SOURCE DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20240337895
    Abstract: A single photon source device is proposed. The device may include a reflection layer, an insulating layer disposed on the reflection layer, and a single emitter configured to emit a single photon. The device may also include a first solid immersion lens portion disposed on the insulating layer to surround the single emitter, and a second solid immersion lens portion disposed on the insulating layer to surround the first solid immersion lens portion.
    Type: Application
    Filed: March 25, 2024
    Publication date: October 10, 2024
    Inventors: Donghan LEE, Daehyun AHN, Yudong JANG
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 11634438
    Abstract: An organic light-emitting device and a heterocyclic compound, the device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes a heterocyclic compound represented by Formula 1:
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: April 25, 2023
    Assignees: Samsung Display Co., Ltd., Industry Academic Cooperation Foundation Kyunghee University
    Inventors: Miehwa Park, Janghyuk Kwon, Taekyung Kim, Juyoung Lee, Hyein Jeong, Daehyun Ahn, Daeyup Shin, Siwoo Kim, Jisu Moon
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190315776
    Abstract: An organic light-emitting device and a heterocyclic compound, the device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes a heterocyclic compound represented by Formula 1:
    Type: Application
    Filed: December 20, 2018
    Publication date: October 17, 2019
    Inventors: Miehwa PARK, Janghyuk KWON, Taekyung KIM, Juyoung LEE, Hyein JEONG, Daehyun AHN, Daeyup SHIN, Siwoo KIM, Jisu MOON