Patents by Inventor Hoon Moo Choi

Hoon Moo Choi 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: 20240088177
    Abstract: An image sensing device is provided to include a pixel array having a plurality of pixels arranged in a matrix shape. Each of the pixels includes: a control node configured to generate a hole current in a substrate; a detection node configured to capture photocharge migrated by the hole current, formed in a shape whose at least part is partially open, and disposed to surround the control node, and a low resistance region including a dielectric layer formed in the substrate, and disposed in the opening on of the detection node. The low resistance region includes an inner low resistance region disposed between the control node and the center of the pixel.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 14, 2024
    Inventors: Hyung June YOON, Jong Eun KIM, Jong Chae KIM, Jae Won LEE, Jae Hyung JANG, Hoon Moo CHOI
  • Patent number: 11830893
    Abstract: An image sensing device is provided to include a pixel array having a plurality of pixels arranged in a matrix shape. Each of the pixels includes: a control node configured to generate a hole current in a substrate; a detection node configured to capture photocharge migrated by the hole current, formed in a shape whose at least part is partially open, and disposed to surround the control node, and a low resistance region including a dielectric layer formed in the substrate, and disposed in the opening on of the detection node. The low resistance region includes an inner low resistance region disposed between the control node and the center of the pixel.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: November 28, 2023
    Assignee: SK HYNIX INC.
    Inventors: Hyung June Yoon, Jong Eun Kim, Jong Chae Kim, Jae Won Lee, Jae Hyung Jang, Hoon Moo Choi
  • Patent number: 11764238
    Abstract: An image sensing device is provided to include a pixel array of unit pixels, each pixel structured to respond to incident light to produce photocharges and including different photosensing sub-pixels at different locations within the unit pixel to detect incident light, different detection structures formed at peripheral locations of the different photosensing sub-pixels of the unit pixel, respectively, and configured to receive the photocharges that are generated by the different photosensing sub-pixels of and are carried by a current in the unit pixel, a unit pixel voltage node located at a center portion of the unit pixel and electrically coupled to electrically bias an electrical potential of the different photosensing sub-pixels, and a control circuit coupled to the different detection structures of the unit pixel to supply sub-pixel detection control signals to the different detection structures of the unit pixel, respectively.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: September 19, 2023
    Assignee: SK HYNIX INC.
    Inventors: Jae Hyung Jang, Hyung June Yoon, Jong Chae Kim, Hoon Moo Choi
  • Publication number: 20220415942
    Abstract: An image sensing device is provided to include: a substrate having a first surface on which light is incident and a second surface facing the first surface; a plurality of detection structures, each comprising a control node configured to exhibit a conductivity type and generate a potential gradient in the substrate, and a detection node configured to capture photocharge which is generated in response to incident light and migrates in response to the potential gradient; and a first well area disposed to abut the control nodes of the plurality of detection structures and containing an impurity with a different conductivity type from the conductivity type of the control nodes.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 29, 2022
    Inventors: Hyung June YOON, Ho Young KWAK, Nam Il KIM, Dong Jin LEE, Jae Won LEE, Hoon Moo CHOI
  • Patent number: 11363224
    Abstract: An image sensing device may include a first tap and a second tap configured to generate a hole current in a substrate, and capture photocharge which is generated by incident light and migrated by the hole current. The first and second taps may be disposed in vertex regions facing each other in a diagonal direction in one pixel, respectively.
    Type: Grant
    Filed: February 13, 2021
    Date of Patent: June 14, 2022
    Assignee: SK HYNIX INC.
    Inventors: Jae Hyung Jang, Jong Chae Kim, Hyung June Yoon, Hoon Moo Choi
  • Patent number: 11335727
    Abstract: The image sensing device includes a pixel array including a plurality of unit pixels is arranged in rows and columns. Each of the plurality of unit pixels includes a photoelectric conversion element to generate charge carriers by converting light incident upon the photoelectric conversion element, a plurality of floating diffusion regions spaced apart from the photoelectric conversion element to hold the charge carriers, a plurality of circulation gates located at sides of the photoelectric conversion element in each of a first direction and a second direction perpendicular to the first direction, configured to create an electric field in different regions of the photoelectric conversion element based on circulation control signals, and configured to induce movement of the charge carriers, and a plurality of transfer gates located between the circulation gates, and configured to transfer the charge carriers generated by the photoelectric conversion element to a corresponding floating diffusion region.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 17, 2022
    Assignee: SK HYNIX INC.
    Inventors: Hyung June Yoon, Jae Hyung Jang, Hoon Moo Choi
  • Publication number: 20220102395
    Abstract: An image sensing device is provided to include a pixel array having a plurality of pixels arranged in a matrix shape. Each of the pixels includes: a control node configured to generate a hole current in a substrate; a detection node configured to capture photocharge migrated by the hole current, formed in a shape whose at least part is partially open, and disposed to surround the control node, and a low resistance region including a dielectric layer formed in the substrate, and disposed in the opening on of the detection node. The low resistance region includes an inner low resistance region disposed between the control node and the center of the pixel.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 31, 2022
    Inventors: Hyung June YOON, Jong Eun KIM, Jong Chae KIM, Jae Won LEE, Jae Hyung JANG, Hoon Moo CHOI
  • Publication number: 20210408094
    Abstract: An image sensing device is provided to include a pixel array of unit pixels, each pixel structured to respond to incident light to produce photocharges and including different photosensing sub-pixels at different locations within the unit pixel to detect incident light, different detection structures formed at peripheral locations of the different photosensing sub-pixels of the unit pixel, respectively, and configured to receive the photocharges that are generated by the different photosensing sub-pixels of and are carried by a current in the unit pixel, a unit pixel voltage node located at a center portion of the unit pixel and electrically coupled to electrically bias an electrical potential of the different photosensing sub-pixels, and a control circuit coupled to the different detection structures of the unit pixel to supply sub-pixel detection control signals to the different detection structures of the unit pixel, respectively.
    Type: Application
    Filed: January 15, 2021
    Publication date: December 30, 2021
    Inventors: Jae Hyung JANG, Hyung June YOON, Jong Chae KIM, Hoon Moo CHOI
  • Publication number: 20210368122
    Abstract: An image sensing device may include a first tap and a second tap configured to generate a hole current in a substrate, and capture photocharge which is generated by incident light and migrated by the hole current. The first and second taps may be disposed in vertex regions facing each other in a diagonal direction in one pixel, respectively.
    Type: Application
    Filed: February 13, 2021
    Publication date: November 25, 2021
    Inventors: Jae Hyung JANG, Jong Chae KIM, Hyung June YOON, Hoon Moo CHOI
  • Publication number: 20210305310
    Abstract: The image sensing device includes a pixel array including a plurality of unit pixels is arranged in rows and columns. Each of the plurality of unit pixels includes a photoelectric conversion element to generate charge carriers by converting light incident upon the photoelectric conversion element, a plurality of floating diffusion regions spaced apart from the photoelectric conversion element to hold the charge carriers, a plurality of circulation gates located at sides of the photoelectric conversion element in each of a first direction and a second direction perpendicular to the first direction, configured to create an electric field in different regions of the photoelectric conversion element based on circulation control signals, and configured to induce movement of the charge carriers, and a plurality of transfer gates located between the circulation gates, and configured to transfer the charge carriers generated by the photoelectric conversion element to a corresponding floating diffusion region.
    Type: Application
    Filed: October 26, 2020
    Publication date: September 30, 2021
    Inventors: Hyung June Yoon, Jae Hyung Jang, Hoon Moo Choi