Patents by Inventor Chunghwan Park

Chunghwan 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).

  • Publication number: 20240098387
    Abstract: An image sensor, a mobile device, and an image sensor operation method for reducing a data transmission latency are disclosed. The image sensor includes an interface circuit configured to receive compressed data from an external processor, at least one memory configured to store the compressed data, and a control logic circuit configured to decompress the compressed data based on an initialized first clock rate, wherein, after the control logic circuit decompresses the compressed data, the first clock rate is reset to a second clock rate.
    Type: Application
    Filed: May 18, 2023
    Publication date: March 21, 2024
    Inventors: Semin Chang, Seongwook Song, Curie Kim, Jeongho Park, Chunghwan Park, Myunghyun Song
  • Patent number: 10963665
    Abstract: A method of setting light sources in a display panel for optical fingerprint recognition is provided. The method includes driving a portion of light sources disposed to correspond to a fingerprint recognition window which is a partial region of a display panel based on initial light source setting values, obtaining initial calibration data based on reflected light of an object received by a fingerprint recognition sensor through the fingerprint recognition window while driving the portion of the light sources; and determining final light source setting values such that powers for driving light sources of different colors among the portion of the light sources are different, the final light source setting values being determined to minimize contrast of an interference signal included in the initial calibration data.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong jin Park, Ducksoo Kim, Dongki Min, Chunghwan Park
  • Publication number: 20200387688
    Abstract: A method of setting light sources in a display panel for optical fingerprint recognition is provided. The method includes driving a portion of light sources disposed to correspond to a fingerprint recognition window which is a partial region of a display panel based on initial light source setting values, obtaining initial calibration data based on reflected light of an object received by a fingerprint recognition sensor through the fingerprint recognition window while driving the portion of the light sources; and determining final light source setting values such that powers for driving light sources of different colors among the portion of the light sources are different, the final light source setting values being determined to minimize contrast of an interference signal included in the initial calibration data.
    Type: Application
    Filed: February 24, 2020
    Publication date: December 10, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong jin Park, Ducksoo Kim, Dongki Min, Chunghwan Park