Patents by Inventor Byung-sun Choi

Byung-sun 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: 20240301279
    Abstract: The present invention relates to a novel polycyclic compound employed by an organic layer of an organic light-emitting device, and an organic light-emitting device employing the compound according to the present invention has markedly improved luminous efficiency. According to the present invention, it is possible to achieve a highly efficient organic light-emitting device which can be effectively applied to a variety of display devices.
    Type: Application
    Filed: October 14, 2020
    Publication date: September 12, 2024
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20240279196
    Abstract: Disclosed is an organic compound represented by any one of Chemical Formulas A to E and an organic light-emitting diode including the same. Chemical Formulas A to E are as described in the specification.
    Type: Application
    Filed: April 1, 2024
    Publication date: August 22, 2024
    Inventors: Yeong-Tae CHOI, Se-Jin LEE, Seok-Bae PARK, Taejung YU, Byung-Sun YANG, Dajung LEE
  • Patent number: 10748293
    Abstract: A tomography apparatus includes a data acquirer configured to acquire partial images of an object including a first image and a second image having imaged a surface of a portion of the object corresponding to a first time and a second time, respectively, by performing a tomography scan on the object that is moving, and acquire first information indicating motion of the object by using the first image and the second image; and an image reconstructor configured to reconstruct a target image by using the first information.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: August 18, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Beom Ra, Seungeon Kim, Kyoung-yong Lee, Toshihiro Rifu, Jonghyon Yi, Iljun Ahn, Yongjin Chang, Byung-sun Choi
  • Patent number: 10624600
    Abstract: An X-ray imaging method includes obtaining first information including X-ray accumulation amount of an object; determining an imaging protocol for imaging the object based on the received first information; and acquiring an X-ray image of the object based on the determined imaging protocol. The first information including the X-ray accumulation amount of the object is obtained from a device of the object via a short range wireless communication or from an external database based on authentication information input received from the object.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-young Park, Se-won Kim, Yeon-ju Lee, Byung-sun Choi
  • Publication number: 20190084063
    Abstract: Disclosed is a tool for processing an engine block. The tool for processing the engine block includes: multiple cutting inserts; and main cutting edges which are formed at end portions of the inserts, respectively, in which the main cutting edge has a positive axial inclination angle and a radial inclination angle of ?5 degrees to 0 degree.
    Type: Application
    Filed: September 13, 2018
    Publication date: March 21, 2019
    Applicant: KORLOY INC
    Inventors: Sun Kyoo LEE, Dong Ryong JI, Taeg Won LEE, Byung Sun CHOI
  • Patent number: 10034652
    Abstract: A computed tomography (CT) apparatus includes an X-ray source configured to generate X-rays; and a detector which is configured to detect the X-rays radiated by the X-ray source, and includes a counting detection region configured to generate X-ray data corresponding to the detected X-rays according to a photon counting method, and an integrative detection region which is configured to generate the X-ray data corresponding to the detected X-rays according to a charge integration method, and is formed on an outer portion of the counting detection region with respect to a rotation axis of a gantry.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: July 31, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Kook Cho, Byung Sun Choi
  • Publication number: 20180204330
    Abstract: A tomography apparatus includes a data acquirer configured to acquire partial images of an object including a first image and a second image having imaged a surface of a portion of the object corresponding to a first time and a second time, respectively, by performing a tomography scan on the object that is moving, and acquire first information indicating motion of the object by using the first image and the second image; and an image reconstructor configured to reconstruct a target image by using the first information.
    Type: Application
    Filed: March 15, 2018
    Publication date: July 19, 2018
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Beom RA, Seungeon KIM, Kyoung-yong LEE, Toshihiro RIFU, Jonghyon YI, Iljun AHN, Yongjin CHANG, Byung-sun CHOI
  • Patent number: 9959631
    Abstract: A tomography apparatus includes a data acquirer acquiring a first image and a second image that are partial images, by using data acquired in a first angular section corresponding to a first time point and a second angular section corresponding to a second time and facing the first angular section, by performing a tomography scan on an object that is moving, and acquiring first information indicating a motion amount of the object by using the first image and the second image, and an image reconstructor reconstructing a target image indicating the object at a target time, based on the first information.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: May 1, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Beom Ra, Seungeon Kim, Kyoung-yong Lee, Toshihiro Rifu, Jonghyon Yi, Iljun Ahn, Yongjin Chang, Byung-sun Choi
  • Patent number: 9808871
    Abstract: The objective of the present invention is to provide a cutting insert which reduces cutting load and can be accurately positioned at a coupling part of a cutting tool even if cutting edges are broken or deformed. To this end, the cutting insert of the present invention includes an upper surface, a lower surface, a plurality of lateral surfaces connecting the upper surface with the lower surface, and a plurality of upper cutting edges formed between the plurality of lateral surfaces and the upper surface.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: November 7, 2017
    Assignee: KORLOY INC.
    Inventors: Byung-Sun Choi, Sun-Kyoo Lee, Taeg-Won Lee, Dong-Ryong Ji, Dong-Bok Park
  • Publication number: 20170251993
    Abstract: An X-ray imaging method includes obtaining first information including X-ray accumulation amount of an object; determining an imaging protocol for imaging the object based on the received first information; and acquiring an X-ray image of the object based on the determined imaging protocol. The first information including the X-ray accumulation amount of the object is obtained from a device of the object via a short range wireless communication or from an external database based on authentication information input received from the object.
    Type: Application
    Filed: May 19, 2017
    Publication date: September 7, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-young PARK, Se-won KIM, Yeon-ju LEE, Byung-sun CHOI
  • Patent number: 9681850
    Abstract: An X-ray imaging method includes obtaining first information including X-ray accumulation amount of an object; determining an imaging protocol for imaging the object based on the received first information; and acquiring an X-ray image of the object based on the determined imaging protocol. The first information including the X-ray accumulation amount of the object is obtained from a device of the object via a short range wireless communication or from an external database based on authentication information input received from the object.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: June 20, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-young Park, Se-won Kim, Yeon-ju Lee, Byung-sun Choi
  • Patent number: 9623496
    Abstract: The present invention relates to an insert for slot milling, and more specifically, to an insert for slot milling which can smoothly form a front end surface of a concave portion of a slot formed at a cutting target, and provides a safe use thereof by preventing the erroneous installation of cutting inserts coupled with insert-installation seats on both sides of a milling cutter body to prevent damage of the cutting inserts and the milling cutter. To this end, the present invention is characterized in that the plurality of cutting inserts are provided around the slot milling cutter body, one of two cutting inserts protrudes with respect to one side of the milling cutter body and the other protrudes with respect to the opposite side of the milling cutter body, and two cutting inserts are formed with different structures to prevent the erroneous installation thereof on the insert-installation seats prepared on both sides of the milling cutter body.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: April 18, 2017
    Assignee: KORLOY, INC
    Inventors: Jung Woo Lee, Taeg Won Lee, Byung Sun Choi, Dong Ryong Ji, Dong Bok Park
  • Publication number: 20160183906
    Abstract: A computed tomography (CT) apparatus includes an X-ray source configured to generate X-rays; and a detector which is configured to detect the X-rays radiated by the X-ray source, and includes a counting detection region configured to generate X-ray data corresponding to the detected X-rays according to a photon counting method, and an integrative detection region which is configured to generate the X-ray data corresponding to the detected X-rays according to a charge integration method, and is formed on an outer portion of the counting detection region with respect to a rotation axis of a gantry.
    Type: Application
    Filed: August 11, 2015
    Publication date: June 30, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Kook CHO, Byung Sun CHOI
  • Patent number: 9263160
    Abstract: A collimator module which may be disposed in a radiation detector of a radiological imaging apparatus using the collimator module may include a first collimator having a plurality of openings, through which radiation having passed through an object passes, and a second collimator located below the first collimator and having a plurality of openings, through which radiation having passed through the first collimator passes. The first collimator or the second collimator is designed so as to be movable or rotatable relative to the second collimator or the first collimator. Through movement of the first collimator or the second collimator, the size of a passage region that allows radiation having passed through the object to pass through the first collimator or the second collimator is adjustable.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: February 16, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Hoon Kang, Byung Sun Choi
  • Patent number: 9253470
    Abstract: A 3D camera includes a first photographing lens unit; a first image sensor which obtains first image information of an object through the first photographing lens unit; a beam division unit disposed on an optical path between the first photographing lens unit and the first image sensor and which propagates light along a first path on which the first image sensor is positioned and along a second path that is different from the first path; a second photographing lens unit disposed on the second path; a second image sensor which obtains second image information of the object through the first photographing lens unit and the second photographing lens; and an image processing unit which generates 3D image information from the obtained first image information and the obtained second image information.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: February 2, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-do Kim, Byung-sun Choi, Young-hoon Jeong, Hyun-seok Hong
  • Patent number: 9179877
    Abstract: A medical imaging apparatus and/or method includes a gantry, a control unit, and a display unit. The gantry has a source for generating an X-ray and a detector for detecting the X-ray passing through an object. The gantry allows the source and the detector to rotate around the object. The control unit obtains operational information of the gantry. The display unit outputs the obtained operational information of the gantry.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: November 10, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eung-jun Youn, Byung-sun Choi
  • Publication number: 20150306687
    Abstract: The objective of the present invention is to provide a cutting insert which reduces cutting load and can be accurately positioned at a coupling part of a cutting tool even if cutting edges are broken or deformed. To this end, the cutting insert of the present invention includes an upper surface, a lower surface, a plurality of lateral surfaces connecting the upper surface with the lower surface, and a plurality of upper cutting edges formed between the plurality of lateral surfaces and the upper surface.
    Type: Application
    Filed: April 29, 2013
    Publication date: October 29, 2015
    Applicant: KORLOY INC.
    Inventors: Byung-Sun CHOI, Sun-Kyoo LEE, Taeg-Won LEE, Dong-Ryong JI, Dong-Bok PARK
  • Publication number: 20150251255
    Abstract: The present invention relates to an insert for slot milling, and more specifically, to an insert for slot milling which can smoothly form a front end surface of a concave portion of a slot formed at a cutting target, and provides a safe use thereof by preventing the erroneous installation of cutting inserts coupled with insert-installation seats on both sides of a milling cutter body to prevent damage of the cutting inserts and the milling cutter. To this end, the present invention is characterized in that the plurality of cutting inserts are provided around the slot milling cutter body, one of two cutting inserts protrudes with respect to one side of the milling cutter body and the other protrudes with respect to the opposite side of the milling cutter body, and two cutting inserts are formed with different structures to prevent the erroneous installation thereof on the insert-installation seats prepared on both sides of the milling cutter body.
    Type: Application
    Filed: October 25, 2012
    Publication date: September 10, 2015
    Applicant: KORLOY INC
    Inventors: Jung Woo Lee, Taeg Won Lee, Byung Sun Choi, Dong Ryong Ji, Dong Bok Park
  • Publication number: 20150243045
    Abstract: A tomography apparatus includes a data acquirer acquiring a first image and a second image that are partial images, by using data acquired in a first angular section corresponding to a first time point and a second angular section corresponding to a second time and facing the first angular section, by performing a tomography scan on an object that is moving, and acquiring first information indicating a motion amount of the object by using the first image and the second image, and an image reconstructor reconstructing a target image indicating the object at a target time, based on the first information.
    Type: Application
    Filed: November 26, 2014
    Publication date: August 27, 2015
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Beom RA, Seungeon KIM, Kyoung-yong LEE, Toshihiro RIFU, Jonghyon YI, Iljun AHN, Yongjin CHANG, Byung-sun CHOI
  • Publication number: 20150208981
    Abstract: A method of providing information for magnetic resonance imaging (MRI) includes: performing an imaging of a patient by executing a sequence including a plurality of protocols; and providing, to the patient, threshold related information about a motion of the patient which corresponds to a currently executed protocol, of the plurality of protocols.
    Type: Application
    Filed: April 7, 2015
    Publication date: July 30, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keum-yong OH, Hei-soog KIM, Dae-hyun BAN, Sung-pil JUNG, Jae-moon JO, Byung-sun CHOI, Yang-lim CHOI