Patents by Inventor Dong Kook Han

Dong Kook Han 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).

  • Photodetector
    Patent number: 10418393
    Abstract: A photodetector is provided, including a plurality of optical signal detection units located at each of multiple pixels and configured to generate electric charges corresponding to light being received, and a switch transistor selectively turned on and off so as to transfer the electric charges generated through the plurality of optical signal detection units at each of the multiple pixels, wherein the plurality of optical signal detection units are connected to each other in series.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: September 17, 2019
    Assignee: VIEWORKS CO., LTD.
    Inventor: Dong Kook Han
  • X-ray imaging apparatus
    Patent number: 10136874
    Abstract: The present invention relates to an X-ray imaging apparatus that includes a bias voltage source that provides a bias voltage to pixels that detect X-rays and an automatic exposure control (AEC) processing unit that detects a current flowing between the bias voltage source and the pixels and outputs an AEC signal.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: November 27, 2018
    Assignee: Vieworks Co., Ltd.
    Inventor: Dong Kook Han
  • PHOTODETECTOR
    Publication number: 20170047364
    Abstract: A photodetector is provided, including a plurality of optical signal detection units located at each of multiple pixels and configured to generate electric charges corresponding to light being received, and a switch transistor selectively turned on and off so as to transfer the electric charges generated through the plurality of optical signal detection units at each of the multiple pixels, wherein the plurality of optical signal detection units are connected to each other in series.
    Type: Application
    Filed: April 10, 2015
    Publication date: February 16, 2017
    Applicant: Vieworks Co., Ltd.
    Inventor: DONG KOOK HAN
  • X-RAY IMAGING APPARATUS
    Publication number: 20160366755
    Abstract: The present invention relates to an X-ray imaging apparatus that includes a bias voltage source that provides a bias voltage to pixels that detect X-rays and an automatic exposure control (AEC) processing unit that detects a current flowing between the bias voltage source and the pixels and outputs an AEC signal.
    Type: Application
    Filed: June 13, 2016
    Publication date: December 15, 2016
    Inventor: Dong Kook Han