Patents by Inventor Sang-Dong YOO

Sang-Dong YOO 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: 10306171
    Abstract: An analog-digital converter may include: an analog-digital converter comprising: a ramp signal selection unit suitable for receiving ramp signals having different offsets, and sequentially selecting one of the ramp signals according to a preset order; a comparison unit suitable for comparing the magnitudes of the selected ramp signal with a pixel signal, and outputting a comparison signal according to the comparison result; and a counting unit suitable for counting the number of clocks of a clock signal until the comparison signal transitions, and outputting a count signal based on the count when the comparison signal transitions.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: May 28, 2019
    Assignees: SK hynix Inc., Industry-University Cooperation Foundation Hanyang University
    Inventors: Sang Dong Yoo, Min Kyu Kim, Jun Bo Shim
  • Publication number: 20180198999
    Abstract: An analog-digital converter may include: an analog-digital converter comprising: a ramp signal selection unit suitable for receiving ramp signals having different offsets, and sequentially selecting one of the ramp signals according to a preset order; a comparison unit suitable for comparing the magnitudes of the selected ramp signal with a pixel signal, and outputting a comparison signal according to the comparison result; and a counting unit suitable for counting the number of clocks of a clock signal until the comparison signal transitions, and outputting a count signal based on the count when the comparison signal transitions.
    Type: Application
    Filed: May 25, 2017
    Publication date: July 12, 2018
    Inventors: Sang Dong YOO, Min Kyu KIM, Jun Bo SHIM
  • Patent number: 9673242
    Abstract: An image sensor includes a color filter configured to pass a specific color of light; a micro lens formed under the color filter and configured with a plurality of layers in which an upper layer has a smaller area than a lower layer; and a photo device formed under the micro lens and configured to receive light passing through the micro lens and convert the received light into an electrical signal.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: June 6, 2017
    Assignees: SK Hynix Inc., Postech Academy-Industry Foundation
    Inventors: Hae Wook Han, Young Woong Do, Won Jun Lee, Sang Dong Yoo, Kyoung In Lee, Cha Young Lee
  • Patent number: 9609255
    Abstract: A CMOS image sensor includes a hardware-implemented timing signal generation module that generates a timing signal based on a timing pattern generated by a software-implemented timing pattern generation and control module.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: March 28, 2017
    Assignee: SK Hynix Inc.
    Inventors: Keun-Soo Cho, Kyung-Dong Yoo, Sang-Dong Yoo, Jong-Suk Lee, Jung-Hyun Kim
  • Patent number: 9571848
    Abstract: A lens shading compensation coefficient compression device includes: a first differential block suitable for calculating a lens shading compensation coefficient between color channels and removing redundancy between the color channels; a second differential block suitable for calculating a lens shading compensation coefficient within color channels and removing redundancy within the color channels; and an entropy coding block suitable for performing entropy coding on remaining lens shading compensation coefficients and compressing the lens shading compensation coefficients.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: February 14, 2017
    Assignee: SK Hynix Inc.
    Inventors: Kyung-Ho Lee, Sang-Dong Yoo, Jong-Suk Lee, Jung-Hyun Kim
  • Publication number: 20160028975
    Abstract: A lens shading compensation coefficient compression device includes: a first differential block suitable for calculating a lens shading compensation coefficient between color channels and removing redundancy between the color channels; a second differential block suitable for calculating a lens shading compensation coefficient within color channels and removing redundancy within the color channels; and an entropy coding block suitable for performing entropy coding on remaining lens shading compensation coefficients and compressing the lens shading compensation coefficients.
    Type: Application
    Filed: December 4, 2014
    Publication date: January 28, 2016
    Inventors: Kyung-Ho LEE, Sang-Dong YOO, Jong-Suk LEE, Jung-Hyun KIM
  • Publication number: 20150270303
    Abstract: An image sensor includes a color filter configured to pass a specific color of light; a micro lens formed under the color filter and configured with a plurality of layers in which an upper layer has a smaller area than a lower layer; and a photo device formed under the micro lens and configured to receive light passing through the micro lens and convert the received light into an electrical signal.
    Type: Application
    Filed: October 30, 2014
    Publication date: September 24, 2015
    Inventors: Hae Wook HAN, Young Woong DO, Won Jun LEE, Sang Dong YOO, Kyoung In LEE, Cha Young LEE
  • Publication number: 20150198970
    Abstract: A timing signal generation apparatus includes a timing signal generation module suitable for generating a timing signal based on a timing pattern, a timing pattern generation and control module suitable for generating the timing pattern and controlling the timing signal generation module, and an interface module suitable for signal interface with a neighboring device.
    Type: Application
    Filed: June 16, 2014
    Publication date: July 16, 2015
    Inventors: Keun-Soo CHO, Kyung-Dong YOO, Sang-Dong YOO, Jong-Suk LEE, Jung-Hyun KIM