Patents by Inventor Chang-Woo SOHN

Chang-Woo SOHN 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: 20240063275
    Abstract: A semiconductor device includes first and second isolation regions, a first active region extending in a first direction between the first and second isolation regions, a first fin pattern on the first active region, nanowires on the first fin pattern, a gate electrode in a second direction on the first fin pattern, the gate electrode surrounding the nanowires, a first source/drain region on a side of the gate electrode, the first source/drain region being on the first active region and in contact with the nanowires, and a first source/drain contact on the first source/drain region, the first source/drain contact including a first portion on a top surface of the first source/drain region, and a second portion extending toward the first active region along a sidewall of the first source/drain region, an end of the first source/drain contact being on one of the first and second isolation regions.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 22, 2024
    Inventors: Sang Hoon Lee, Chang Woo Sohn, Keun Hwi Cho, Sang Won Baek
  • Patent number: 11837638
    Abstract: A semiconductor device includes first and second isolation regions, a first active region extending in a first direction between the first and second isolation regions, a first fin pattern on the first active region, nanowires on the first fin pattern, a gate electrode in a second direction on the first fin pattern, the gate electrode surrounding the nanowires, a first source/drain region on a side of the gate electrode, the first source/drain region being on the first active region and in contact with the nanowires, and a first source/drain contact on the first source/drain region, the first source/drain contact including a first portion on a top surface of the first source/drain region, and a second portion extending toward the first active region along a sidewall of the first source/drain region, an end of the first source/drain contact being on one of the first and second isolation regions.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: December 5, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Hoon Lee, Chang Woo Sohn, Keun Hwi Cho, Sang Won Baek
  • Patent number: 11827098
    Abstract: A camera monitor system for responding to an amount of light includes: a sensor unit configured to measure an amount of external light of a vehicle; a camera unit configured to capture an image of an outside of the vehicle; a display unit comprising a first display layer configured to display the image of the outside, captured by the camera unit, and a second display layer configured to display at least one icon at least partially overlapping the first display layer; and a controller configured to set luminance of the first display layer in response to the amount of external light received from the sensor unit and to change transparency of the icon of the second display layer.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: November 28, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL MIRRORTECH CORPORATION
    Inventors: Chang Woo Sohn, Ill Soo Kim, Choon Gi Jung, Young Nam Shin, Dong Gun Yeo, Hyung Sik Yoon, Young Hoon Lee, Dae Man Son, Jin Woo Kim, Yong Hwan Kim, Hyun Seok Song
  • Publication number: 20230272645
    Abstract: The present disclosure provides a method of controlling an electric latch, installed on a door of a vehicle, to lock or unlock the door by being operated by a motor, the method comprising operating an inner button configured to enable a passenger to get off the vehicle; determining whether there is an error in a state where the vehicle has been started; determining whether a vehicle speed of the vehicle is input to a control unit; and, when the vehicle speed is not input, inducing an emergency lever to guide a use of the emergency lever.
    Type: Application
    Filed: November 7, 2022
    Publication date: August 31, 2023
    Inventors: Chang-Woo Sohn, Byeong-Kwan Kim, Hee-Tae Yang, Jae-Min Ryu
  • Patent number: 11725449
    Abstract: A vehicle door opening and closing control system may include an antenna provided at a vehicle, the antenna being configured to wirelessly communicate with a user's mobile device to recognize the location of the user's mobile device, a door opening and closing device configured to open or close a door of the vehicle, a rain sensor configured to detect a rainy weather state outside the vehicle, and a controller configured to control the operation of the door opening and closing device based on the location of the mobile device recognized by the antenna or the rainy weather state outside the vehicle detected by the rain sensor.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: August 15, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Kwan Hui Kang, Chang Woo Sohn
  • Publication number: 20230242074
    Abstract: An embodiment method of preparing for discharge of an electric latch assembly includes determining whether the electric latch assembly is in an unlocked state, in response to a determination that the electric latch assembly is in the unlocked state, monitoring a voltage of a battery, comparing the voltage of the battery with a preset reference voltage at which a mechanical redundancy (MR) mode is to be activated, and activating the MR mode by driving an MR motor installed inside the electric latch assembly in response to the voltage of the battery being less than or equal to the reference voltage.
    Type: Application
    Filed: November 2, 2022
    Publication date: August 3, 2023
    Inventors: Hee-Tae Yang, Chang-Woo Sohn
  • Patent number: 11699754
    Abstract: A vertical field-effect transistor (VFET) includes: a fin structure on a substrate; a gate structure including a gate dielectric layer on an upper portion of a sidewall of the fin structure, and a conductor layer on a lower portion of the gate dielectric layer; a top source/drain (S/D) region above the fin structure and the gate structure; a bottom S/D region below the fin structure and the gate structure; a top spacer on an upper portion of the gate dielectric layer, and between the top S/D region and a top surface of the conductor layer; and a bottom spacer between the gate structure and the bottom S/D region. A top surface of the gate dielectric layer is positioned at the same or substantially same height as or positioned lower than a top surface of the top spacer, and higher than the top surface of the conductor layer.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Hyun Song, Chang Woo Sohn, Young Chai Jung, Sa Hwan Hong
  • Patent number: 11640973
    Abstract: A semiconductor device and a fabricating method thereof are provided. The semiconductor device includes a substrate, a first nanowire spaced apart from a first region of the substrate, a first gate electrode surrounding a periphery of the first nanowire, a second nanowire spaced apart from a second region of the substrate and extending in a first direction and having a first width in a second direction intersecting the first direction, a supporting pattern contacting the second nanowire and positioned under the second nanowire, and a second gate electrode extending in the second direction and surrounding the second nanowire and the supporting pattern.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: May 2, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Gil Yang, Dong Il Bae, Chang Woo Sohn, Seung Min Song, Dong Hun Lee
  • Patent number: 11552182
    Abstract: Integrated circuit devices and methods of forming the same are provided. The methods may include forming a dummy channel region and an active region of a substrate, forming a bottom source/drain region on the active region, forming a gate electrode on one of opposing side surfaces of the dummy channel region, and forming first and second spacers on the opposing side surfaces of the dummy channel region, respectively. The gate electrode may include a first portion on the one of the opposing side surfaces of the dummy channel region and a second portion between the bottom source/drain region and the first spacer. The methods may also include forming a bottom source/drain contact by replacing the first portion of the gate electrode with a conductive material. The bottom source/drain contact may electrically connect the second portion of the gate electrode to the bottom source/drain region.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: January 10, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Woo Sohn, Seung Hyun Song, Seon-Bae Kim, Min Cheol Oh, Young Chai Jung
  • Publication number: 20220324324
    Abstract: A camera monitor system for responding to an amount of light includes: a sensor unit configured to measure an amount of external light of a vehicle; a camera unit configured to capture an image of an outside of the vehicle; a display unit comprising a first display layer configured to display the image of the outside, captured by the camera unit, and a second display layer configured to display at least one icon at least partially overlapping the first display layer; and a controller configured to set luminance of the first display layer in response to the amount of external light received from the sensor unit and to change transparency of the icon of the second display layer.
    Type: Application
    Filed: December 1, 2021
    Publication date: October 13, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL MIRRORTECH CORPORATION
    Inventors: Chang Woo Sohn, Ill Soo Kim, Choon Gi Jung, Young Nam Shin, Dong Gun Yeo, Hyung Sik Yoon, Young Hoon Lee, Dae Man Son, Jin Woo Kim, Yong Hwan Kim, Hyun Seok Song
  • Publication number: 20220316257
    Abstract: A vehicle door opening and closing control system may include an antenna provided at a vehicle, the antenna being configured to wirelessly communicate with a user's mobile device to recognize the location of the user's mobile device, a door opening and closing device configured to open or close a door of the vehicle, a rain sensor configured to detect a rainy weather state outside the vehicle, and a controller configured to control the operation of the door opening and closing device based on the location of the mobile device recognized by the antenna or the rainy weather state outside the vehicle detected by the rain sensor.
    Type: Application
    Filed: September 10, 2021
    Publication date: October 6, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Kwan Hui KANG, Chang Woo Sohn
  • Publication number: 20220185181
    Abstract: A device and a method for controlling an operation of a side and rear view watching camera monitoring system (CMS) are provided. The device for controlling an operation of a side and rear watching CMS includes a camera that is configured to capture side and rear images of a vehicle and a display that is configured to display the images captured by the camera. A controller is configured to determine an image-off signal of a user and turn the images of the display off when the image-off signal is applied and a certain period of time elapses. The controller receives the image-off signal of the user, maintains the display in an ON state for a preset time, and turns electric power of the display off.
    Type: Application
    Filed: July 21, 2021
    Publication date: June 16, 2022
    Inventors: Chang Woo Sohn, Byeong Kwan Kim, Heung Sun Bong, Soo Man Jung
  • Publication number: 20220123143
    Abstract: A vertical field-effect transistor (VFET) device and a method of manufacturing the same are provided. The VFET device includes: a fin structure formed on a substrate; a gate structure including a gate dielectric layer formed on an upper portion of a sidewall of the fin structure, and a conductor layer formed on a lower portion of the gate dielectric layer; a top source/drain (S/D) region formed above the fin structure and the gate structure; a bottom S/D region formed below the fin structure and the gate structure; a top spacer formed on an upper portion of the gate dielectric layer, and between the top S/D region and a top surface of the conductor layer; and a bottom spacer formed between the gate structure and the bottom S/D region. A top surface of the gate dielectric layer is positioned at the same or substantially same height as or positioned lower than a top surface of the top spacer, and higher than the top surface of the conductor layer.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Hyun SONG, Chang Woo SOHN, Young Chai JUNG, Sa Hwan HONG
  • Publication number: 20220115506
    Abstract: A semiconductor device includes first and second isolation regions, a first active region extending in a first direction between the first and second isolation regions, a first fin pattern on the first active region, nanowires on the first fin pattern, a gate electrode in a second direction on the first fin pattern, the gate electrode surrounding the nanowires, a first source/drain region on a side of the gate electrode, the first source/drain region being on the first active region and in contact with the nanowires, and a first source/drain contact on the first source/drain region, the first source/drain contact including a first portion on a top surface of the first source/drain region, and a second portion extending toward the first active region along a sidewall of the first source/drain region, an end of the first source/drain contact being on one of the first and second isolation regions.
    Type: Application
    Filed: June 1, 2021
    Publication date: April 14, 2022
    Inventors: Sang Hoon LEE, Chang Woo SOHN, Keun Hwi CHO, Sang Won BAEK
  • Publication number: 20220045166
    Abstract: A semiconductor device and a fabricating method thereof are provided. The semiconductor device includes a substrate, a first nanowire spaced apart from a first region of the substrate, a first gate electrode surrounding a periphery of the first nanowire, a second nanowire spaced apart from a second region of the substrate and extending in a first direction and having a first width in a second direction intersecting the first direction, a supporting pattern contacting the second nanowire and positioned under the second nanowire, and a second gate electrode extending in the second direction and surrounding the second nanowire and the supporting pattern.
    Type: Application
    Filed: October 22, 2021
    Publication date: February 10, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jung Gil YANG, Dong Il BAE, Chang Woo SOHN, Seung Min SONG, Dong Hun LEE
  • Patent number: 11233146
    Abstract: A vertical field-effect transistor (VFET) device and a method of manufacturing the same are provided. The VFET device includes: a fin structure formed on a substrate; a gate structure including a gate dielectric layer formed on an upper portion of a sidewall of the fin structure, and a conductor layer formed on a lower portion of the gate dielectric layer; a top source/drain (S/D) region formed above the fin structure and the gate structure; a bottom S/D region formed below the fin structure and the gate structure; a top spacer formed on an upper portion of the gate dielectric layer, and between the top S/D region and a top surface of the conductor layer; and a bottom spacer formed between the gate structure and the bottom S/D region. A top surface of the gate dielectric layer is positioned at the same or substantially same height as or positioned lower than a top surface of the top spacer, and higher than the top surface of the conductor layer.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Hyun Song, Chang Woo Sohn, Young Chai Jung, Sa Hwan Hong
  • Publication number: 20210376126
    Abstract: Integrated circuit devices and methods of forming the same are provided. The methods may include forming a dummy channel region and an active region of a substrate, forming a bottom source/drain region on the active region, forming a gate electrode on one of opposing side surfaces of the dummy channel region, and forming first and second spacers on the opposing side surfaces of the dummy channel region, respectively. The gate electrode may include a first portion on the one of the opposing side surfaces of the dummy channel region and a second portion between the bottom source/drain region and the first spacer. The methods may also include forming a bottom source/drain contact by replacing the first portion of the gate electrode with a conductive material. The bottom source/drain contact may electrically connect the second portion of the gate electrode to the bottom source/drain region.
    Type: Application
    Filed: August 11, 2021
    Publication date: December 2, 2021
    Inventors: Chang Woo Sohn, Seung Hyun Song, Seon-Bae Kim, Min Cheol Oh, Young Chai Jung
  • Patent number: 11164943
    Abstract: A semiconductor device and a fabricating method thereof are provided. The semiconductor device includes a substrate, a first nanowire spaced apart from a first region of the substrate, a first gate electrode surrounding a periphery of the first nanowire, a second nanowire spaced apart from a second region of the substrate and extending in a first direction and having a first width in a second direction intersecting the first direction, a supporting pattern contacting the second nanowire and positioned under the second nanowire, and a second gate electrode extending in the second direction and surrounding the second nanowire and the supporting pattern.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: November 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Gil Yang, Dong Il Bae, Chang Woo Sohn, Seung Min Song, Dong Hun Lee
  • Patent number: 11107906
    Abstract: Integrated circuit devices and methods of forming the same are provided. The methods may include forming a dummy channel region and an active region of a substrate, forming a bottom source/drain region on the active region, forming a gate electrode on one of opposing side surfaces of the dummy channel region, and forming first and second spacers on the opposing side surfaces of the dummy channel region, respectively. The gate electrode may include a first portion on the one of the opposing side surfaces of the dummy channel region and a second portion between the bottom source/drain region and the first spacer. The methods may also include forming a bottom source/drain contact by replacing the first portion of the gate electrode with a conductive material. The bottom source/drain contact may electrically connect the second portion of the gate electrode to the bottom source/drain region.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: August 31, 2021
    Inventors: Chang Woo Sohn, Seung Hyun Song, Seon-Bae Kim, Min Cheol Oh, Young Chai Jung
  • Publication number: 20210111270
    Abstract: Integrated circuit devices and methods of forming the same are provided. The methods may include forming a dummy channel region and an active region of a substrate, forming a bottom source/drain region on the active region, forming a gate electrode on one of opposing side surfaces of the dummy channel region, and forming first and second spacers on the opposing side surfaces of the dummy channel region, respectively. The gate electrode may include a first portion on the one of the opposing side surfaces of the dummy channel region and a second portion between the bottom source/drain region and the first spacer. The methods may also include forming a bottom source/drain contact by replacing the first portion of the gate electrode with a conductive material. The bottom source/drain contact may electrically connect the second portion of the gate electrode to the bottom source/drain region.
    Type: Application
    Filed: February 24, 2020
    Publication date: April 15, 2021
    Inventors: CHANG WOO SOHN, SEUNG HYUN SONG, SEON-BAE KIM, MIN CHEOL OH, YOUNG CHAI JUNG