Patents by Inventor Bochul PARK

Bochul PARK 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: 11415819
    Abstract: A beam steering apparatus includes a substrate; at least one light source provided on the substrate; a first waveguide configured to transmit a first light beam radiated from the at least one light source; at least one beam splitter configured to split the first light beam transmitted by the first waveguide to obtain a second light beam; a second waveguide configured to receive the second light beam; and a quantum dot optical amplifier provided on the second waveguide and comprising a barrier layer, a quantum dot layer, and a wetting layer, the quantum dot optical amplifier being configured to modulate a phase of the second light beam, and to amplify an intensity of the second light beam.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: August 16, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Duhyun Lee, Bochul Park, Sunil Kim, Junghyun Park, Byunggil Jeong
  • Publication number: 20210149227
    Abstract: A beam steering apparatus includes a substrate; at least one light source provided on the substrate; a first waveguide configured to transmit a first light beam radiated from the at least one light source; at least one beam splitter configured to split the first light beam transmitted by the first waveguide to obtain a second light beam; a second waveguide configured to receive the second light beam; and a quantum dot optical amplifier provided on the second waveguide and comprising a barrier layer, a quantum dot layer, and a wetting layer, the quantum dot optical amplifier being configured to modulate a phase of the second light beam, and to amplify an intensity of the second light beam.
    Type: Application
    Filed: April 28, 2020
    Publication date: May 20, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Duhyun LEE, Bochul PARK, Sunil KIM, Junghyun PARK, Byunggil JEONG