Patents by Inventor Jae-Kwan Seo

Jae-Kwan Seo 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: 20240144875
    Abstract: A display device is disclosed that includes a pixel component configured to output an image based on a first driving frequency, a scan driver configured to sequentially provide a scan signal to each pixel row in each frame based on the first driving frequency, and a driving controller configured control the scan driver such that, in the case where image data includes data corresponding to a static image, a display area is divided into a first area for the static image, and a second area for a video, and the first area is driven at a second driving frequency, and the second area is driven at a third driving frequency. The driving controller may control the scan driver such that a driving frequency corresponding to the first area is reduced to the second driving frequency, and a driving frequency corresponding to the second area is increased to the third driving frequency.
    Type: Application
    Filed: April 27, 2023
    Publication date: May 2, 2024
    Inventors: Bon Seog GU, Hae Kwan SEO, Jin Young ROH, Jae Keun LIM
  • Publication number: 20240105108
    Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.
    Type: Application
    Filed: April 19, 2023
    Publication date: March 28, 2024
    Inventors: Hae Kwan SEO, Bon Seog GU, Jin Young ROH, Jae Keun LIM
  • Patent number: 11942030
    Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hae Kwan Seo, Bon Seog Gu, Jin Young Roh, Jae Keun Lim
  • Publication number: 20230402476
    Abstract: An image sensor includes a first substrate including pixel regions, each of the pixel regions including a photoelectric conversion region, color filters on the pixel regions, the color filters on a first surface of the first substrate, micro lenses on the color filters, and a lens coating layer on the micro lenses. The lens coating layer includes a first coating layer and a second coating layer, the second coating layer is on the first coating layer, the first and second coating layers include a same material, and a density of the second coating layer is greater than a density of the first coating layer.
    Type: Application
    Filed: December 20, 2022
    Publication date: December 14, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae-Kwan SEO, Nosan Park, Jung-Kuk Park, Jinsu Park, Kookki Lee, Seul-Young Jeong
  • Patent number: 11804504
    Abstract: An image sensor includes a substrate having a plurality of pixel regions, a lower layer on the substrate; a plurality of color filters on the lower layer, and a micro-lens layer on or covering top surfaces of the color filters. The micro-lens layer extends to a location between two of the color filters and contacts the lower layer on one of the pixel regions. The color filters are spaced apart from the lower layer.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: October 31, 2023
    Inventors: Jae-Kwan Seo, Jaihoon Kang, Boram Kim, Jinsu Park, Seul-Young Jeong, Sunwook Heo
  • Publication number: 20220020797
    Abstract: An image sensor includes a substrate having a plurality of pixel regions, a lower layer on the substrate; a plurality of color filters on the lower layer, and a micro-lens layer on or covering top surfaces of the color filters. The micro-lens layer extends to a location between two of the color filters and contacts the lower layer on one of the pixel regions. The color filters are spaced apart from the lower layer.
    Type: Application
    Filed: September 20, 2021
    Publication date: January 20, 2022
    Inventors: JAE-KWAN SEO, Jaihoon Kang, Boram Kim, Jinsu Park, Seul-Young Jeong, Sunwook Heo
  • Patent number: 11133342
    Abstract: An image sensor includes a substrate having a plurality of pixel regions, a lower layer on the substrate; a plurality of color filters on the lower layer, and a micro-lens layer on or covering top surfaces of the color filters. The micro-lens layer extends to a location between two of the color filters and contacts the lower layer on one of the pixel regions. The color filters are spaced apart from the lower layer.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: September 28, 2021
    Inventors: Jae-Kwan Seo, Jaihoon Kang, Boram Kim, Jinsu Park, Seul-Young Jeong, Sunwook Heo
  • Patent number: 11031425
    Abstract: An image sensor includes a substrate including a pixel region and a pad region, a first conductive pad on the substrate in the pad region, a micro lens layer on the substrate in the pixel region, and a first protective pattern covering the pad region and exposing the first conductive pad. The first protective pattern and the micro lens layer include the same material, and the first protective pattern and the micro lens layer are apart from each other.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Kwan Seo, Kookki Lee, Dohoon Kim, Changrai Kim, Joonghoon Lee, Eunsang Cho
  • Patent number: 10892127
    Abstract: A contactor assembly is connected to a bus-bar of a main circuit-breaker. The assembly includes a housing including an opening defined therein; a contactor passing through the opening, wherein the contractor includes contacting portions projecting forwardly of the opening and coupled portions projecting rearwardly of the opening; a presser passing through the opening, wherein the presser is interposed between the contactor and the housing, wherein the presser is supported on the housing and presses the contacting portions and the coupled portions; and a connector coupled to the coupled portions of the contactor and electrically connected to the contactor.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: January 12, 2021
    Assignee: LSIS CO., LTD.
    Inventor: Jae-Kwan Seo
  • Publication number: 20200258928
    Abstract: An image sensor includes a substrate having a plurality of pixel regions, a lower layer on the substrate; a plurality of color filters on the lower layer, and a micro-lens layer on or covering top surfaces of the color filters. The micro-lens layer extends to a location between two of the color filters and contacts the lower layer on one of the pixel regions. The color filters are spaced apart from the lower layer.
    Type: Application
    Filed: September 26, 2019
    Publication date: August 13, 2020
    Inventors: Jae-Kwan Seo, Jaihoon Kang, Boram Kim, Jinsu Park, Seul-Young Jeong, Sunwook Heo
  • Publication number: 20200161070
    Abstract: A contactor assembly is connected to a bus-bar of a main circuit-breaker. The assembly includes a housing including an opening defined therein; a contactor passing through the opening, wherein the contractor includes contacting portions projecting forwardly of the opening and coupled portions projecting rearwardly of the opening; a presser passing through the opening, wherein the presser is interposed between the contactor and the housing, wherein the presser is supported on the housing and presses the contacting portions and the coupled portions; and a connector coupled to the coupled portions of the contactor and electrically connected to the contactor.
    Type: Application
    Filed: September 26, 2019
    Publication date: May 21, 2020
    Inventor: Jae-Kwan SEO
  • Publication number: 20200144320
    Abstract: An image sensor includes a substrate including a pixel region and a pad region, a first conductive pad on the substrate in the pad region, a micro lens layer on the substrate in the pixel region, and a first protective pattern covering the pad region and exposing the first conductive pad. The first protective pattern and the micro lens layer include the same material, and the first protective pattern and the micro lens layer are apart from each other.
    Type: Application
    Filed: June 4, 2019
    Publication date: May 7, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae-Kwan SEO, Kookki LEE, Dohoon KIM, Changrai KIM, Jonghoon LEE, Eunsang CHO
  • Patent number: 10614973
    Abstract: An interlock apparatus according to embodiments is configured to block an operation of a third circuit breaker while a first circuit breaker and a second circuit breaker operate and include a mover and a rotator. The mover include a first connector connected to the first circuit breaker, a second connector connected to the second circuit breaker, and a central part disposed between the first connector and the second connector and is rectilinearly moved along one direction in response to operations of the first circuit breaker and the second circuit breaker. The rotator include a first engagement part engaged with to the third circuit breaker and a second engagement part engaged with the central part and be rotated around a shaft passing through the first engagement part.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: April 7, 2020
    Assignee: LSIS CO., LTD.
    Inventor: Jae-Kwan Seo
  • Publication number: 20180294109
    Abstract: An interlock apparatus according to embodiments is configured to block an operation of a third circuit breaker while a first circuit breaker and a second circuit breaker operate and include a mover and a rotator. The mover include a first connector connected to the first circuit breaker, a second connector connected to the second circuit breaker, and a central part disposed between the first connector and the second connector and is rectilinearly moved along one direction in response to operations of the first circuit breaker and the second circuit breaker. The rotator include a first engagement part engaged with to the third circuit breaker and a second engagement part engaged with the central part and be rotated around a shaft passing through the first engagement part.
    Type: Application
    Filed: April 5, 2018
    Publication date: October 11, 2018
    Inventor: Jae-Kwan SEO
  • Patent number: 9449776
    Abstract: A circuit breaker comprises a switching mechanism that including a linkage with a drive joint that is mounted to be rotatable around a rotation axis by a driving force, wherein, during the ON operation, an axis formed by the rotation axis and the point of action of the driving force makes an acute angle with the line of action of the driving force, so that the drive joint causes the tangential force of the driving force to act as input load, at least one hinge part of the linkage is configured in a way that the connecting pin is movably hinged to the long hole-shaped hinge hole, and at least one hinge part of the linkage causes the tangential force to increase by changes in the acute angle as the connecting pin moves from a first side of the long hole-shaped hinge hole to a second side.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: September 20, 2016
    Assignee: LSIS CO., LTD.
    Inventors: Seong Yeol Cho, Jae Kwan Seo
  • Patent number: 9425002
    Abstract: A circuit breaker includes: a housing; a stator accommodated in the housing and connected to a terminal unit; a mover selectively brought into contact with the stator; an opening and closing unit manipulating the mover such that the mover is selectively brought into contact with the stator; and an insulating cover provided in the housing and shielding the mover and the stator from the exterior of the housing, wherein the housing or the insulating cover is made by molding an electrical insulating material.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: August 23, 2016
    Assignee: LSIS CO., LTD.
    Inventors: Jae Kwan Seo, Seong Yeol Cho
  • Patent number: 9330860
    Abstract: The present disclosure relates to a handle operating device for a circuit breaker, and there is provided a handle operating device including a connecting rod configured to transfer power for operating a manual operating handle that manually operates the on/off of a circuit breaker from the outside; a movable frame connected to the connecting rod to be movably coupled to an outer surface of a circuit breaker case in a direction parallel to the operating direction of the manual operating handle; a movable member provided at the movable frame in an interlocking manner to move the manual operating handle; a slot hole is formed on the moving member in an inclined manner from the moving direction of the manual operating handle; and a fastening member fastened to the movable member and movable frame through the slot hole.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: May 3, 2016
    Assignee: LSIS CO., LTD.
    Inventor: Jae Kwan Seo
  • Publication number: 20150137916
    Abstract: A circuit breaker comprises a switching mechanism that including a linkage with a drive joint that is mounted to be rotatable around a rotation axis by a driving force, wherein, during the ON operation, an axis formed by the rotation axis and the point of action of the driving force makes an acute angle with the line of action of the driving force, so that the drive joint causes the tangential force of the driving force to act as input load, at least one hinge part of the linkage is configured in a way that the connecting pin is movably hinged to the long hole-shaped hinge hole, and at least one hinge part of the linkage causes the tangential force to increase by changes in the acute angle as the connecting pin moves from a first side of the long hole-shaped hinge hole to a second side.
    Type: Application
    Filed: October 30, 2014
    Publication date: May 21, 2015
    Applicant: LSIS CO., LTD.
    Inventors: Seong Yeol CHO, Jae Kwan SEO
  • Publication number: 20150129403
    Abstract: The present disclosure relates to a handle operating device for a circuit breaker, and there is provided a handle operating device including a connecting rod configured to transfer power for operating a manual operating handle that manually operates the on/off of a circuit breaker from the outside; a movable frame connected to the connecting rod to be movably coupled to an outer surface of a circuit breaker case in a direction parallel to the operating direction of the manual operating handle; a movable member provided at the movable frame in an interlocking manner to move the manual operating handle; a slot hole is formed on the moving member in an inclined manner from the moving direction of the manual operating handle; and a fastening member fastened to the movable member and movable frame through the slot hole.
    Type: Application
    Filed: June 18, 2014
    Publication date: May 14, 2015
    Applicant: LSIS CO., LTD.
    Inventor: Jae Kwan SEO
  • Publication number: 20140008190
    Abstract: A circuit breaker includes: a housing; a stator accommodated in the housing and connected to a terminal unit; a mover selectively brought into contact with the stator; an opening and closing unit manipulating the mover such that the mover is selectively brought into contact with the stator; and an insulating cover provided in the housing and shielding the mover and the stator from the exterior of the housing, wherein the housing or the insulating cover is made by molding an electrical insulating material.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 9, 2014
    Inventors: Jae Kwan SEO, Seong Yeol CHO