Patents by Inventor Dai-Ho CHO

Dai-Ho CHO 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).

  • Puddle lamp device for displaying image
    Patent number: 11285868
    Abstract: A puddle lamp device configured for displaying an image may include a housing; and an illumination system lens, an image film, and a plurality of image forming system lenses embedded in the housing, and sequentially arranged in one direction thereof, in which at least one image forming system lens among the plurality of image forming system lenses is made of a cycloolefin polymer (COP) material, and the present invention may make an image to be displayed clearer while performing a function of a puddle lamp, thereby improving the resolution.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: March 29, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Optrontec Co., Ltd
    Inventors: Seon-Yong An, Kyoung-Chun Kweon, Dai-Ho Cho, Sung-Hwan Lee, Woo-Suk Choi
  • PUDDLE LAMP DEVICE FOR DISPLAYING IMAGE
    Publication number: 20220072995
    Abstract: A puddle lamp device configured for displaying an image may include a housing; and an illumination system lens, an image film, and a plurality of image forming system lenses embedded in the housing, and sequentially arranged in one direction thereof, in which at least one image forming system lens among the plurality of image forming system lenses is made of a cycloolefin polymer (COP) material, and the present invention may make an image to be displayed clearer while performing a function of a puddle lamp, thereby improving the resolution.
    Type: Application
    Filed: January 6, 2021
    Publication date: March 10, 2022
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Optrontec Co., Ltd
    Inventors: Seon-Yong AN, Kyoung-Chun KWEON, Dai-Ho CHO, Sung-Hwan Lee, Woo-Suk CHOI