Patents by Inventor Jungin Hwang

Jungin Hwang 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).

  • Light path control device, display device including same, and method for manufacturing light path control device
    Patent number: 12474592
    Abstract: A light path control device according to an embodiment includes a substrate; a first phase delay layer on the substrate that is configured to delay incident light by a first phase; a second phase delay layer on the first phase delay layer that is configured to delay incident light by a second phase that is different from the first phase; a viewing angle control layer that in direct contact with the second phase delay layer and configured to control a path of the incident light; and a polarization layer on the viewing angle control layer.
    Type: Grant
    Filed: August 14, 2023
    Date of Patent: November 18, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Junehwan Kim, Jungin Hwang
  • Light Path Control Device, Display Device Including Same, and Method for Manufacturing Light Path Control Device
    Publication number: 20240192517
    Abstract: A light path control device according to an embodiment includes a substrate; a first phase delay layer on the substrate that is configured to delay incident light by a first phase; a second phase delay layer on the first phase delay layer that is configured to delay incident light by a second phase that is different from the first phase; a viewing angle control layer that in direct contact with the second phase delay layer and configured to control a path of the incident light; and a polarization layer on the viewing angle control layer.
    Type: Application
    Filed: August 14, 2023
    Publication date: June 13, 2024
    Inventors: Junehwan Kim, Jungin Hwang