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).
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Publication number: 20240301279Abstract: 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: ApplicationFiled: October 14, 2020Publication date: September 12, 2024Applicant: SFC CO., LTDInventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
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Publication number: 20240279196Abstract: 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: ApplicationFiled: April 1, 2024Publication date: August 22, 2024Inventors: Yeong-Tae CHOI, Se-Jin LEE, Seok-Bae PARK, Taejung YU, Byung-Sun YANG, Dajung LEE
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Patent number: 10748293Abstract: 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: GrantFiled: March 15, 2018Date of Patent: August 18, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jong Beom Ra, Seungeon Kim, Kyoung-yong Lee, Toshihiro Rifu, Jonghyon Yi, Iljun Ahn, Yongjin Chang, Byung-sun Choi
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Patent number: 10624600Abstract: 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: GrantFiled: May 19, 2017Date of Patent: April 21, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-young Park, Se-won Kim, Yeon-ju Lee, Byung-sun Choi
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Publication number: 20190084063Abstract: 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: ApplicationFiled: September 13, 2018Publication date: March 21, 2019Applicant: KORLOY INCInventors: Sun Kyoo LEE, Dong Ryong JI, Taeg Won LEE, Byung Sun CHOI
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Patent number: 10034652Abstract: 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: GrantFiled: August 11, 2015Date of Patent: July 31, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min Kook Cho, Byung Sun Choi
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Publication number: 20180204330Abstract: 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: ApplicationFiled: March 15, 2018Publication date: July 19, 2018Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jong Beom RA, Seungeon KIM, Kyoung-yong LEE, Toshihiro RIFU, Jonghyon YI, Iljun AHN, Yongjin CHANG, Byung-sun CHOI
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Patent number: 9959631Abstract: 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: GrantFiled: November 26, 2014Date of Patent: May 1, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jong Beom Ra, Seungeon Kim, Kyoung-yong Lee, Toshihiro Rifu, Jonghyon Yi, Iljun Ahn, Yongjin Chang, Byung-sun Choi
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Patent number: 9808871Abstract: 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: GrantFiled: April 29, 2013Date of Patent: November 7, 2017Assignee: KORLOY INC.Inventors: Byung-Sun Choi, Sun-Kyoo Lee, Taeg-Won Lee, Dong-Ryong Ji, Dong-Bok Park
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Publication number: 20170251993Abstract: 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: ApplicationFiled: May 19, 2017Publication date: September 7, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-young PARK, Se-won KIM, Yeon-ju LEE, Byung-sun CHOI
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Patent number: 9681850Abstract: 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: GrantFiled: August 27, 2014Date of Patent: June 20, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-young Park, Se-won Kim, Yeon-ju Lee, Byung-sun Choi
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Patent number: 9623496Abstract: 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: GrantFiled: October 25, 2012Date of Patent: April 18, 2017Assignee: KORLOY, INCInventors: Jung Woo Lee, Taeg Won Lee, Byung Sun Choi, Dong Ryong Ji, Dong Bok Park
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Publication number: 20160183906Abstract: 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: ApplicationFiled: August 11, 2015Publication date: June 30, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min Kook CHO, Byung Sun CHOI
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Patent number: 9263160Abstract: 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: GrantFiled: September 12, 2013Date of Patent: February 16, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji Hoon Kang, Byung Sun Choi
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Patent number: 9253470Abstract: 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: GrantFiled: September 23, 2011Date of Patent: February 2, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Il-do Kim, Byung-sun Choi, Young-hoon Jeong, Hyun-seok Hong
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Patent number: 9179877Abstract: 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: GrantFiled: July 9, 2013Date of Patent: November 10, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eung-jun Youn, Byung-sun Choi
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Publication number: 20150306687Abstract: 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: ApplicationFiled: April 29, 2013Publication date: October 29, 2015Applicant: KORLOY INC.Inventors: Byung-Sun CHOI, Sun-Kyoo LEE, Taeg-Won LEE, Dong-Ryong JI, Dong-Bok PARK
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Publication number: 20150251255Abstract: 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: ApplicationFiled: October 25, 2012Publication date: September 10, 2015Applicant: KORLOY INCInventors: Jung Woo Lee, Taeg Won Lee, Byung Sun Choi, Dong Ryong Ji, Dong Bok Park
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Publication number: 20150243045Abstract: 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: ApplicationFiled: November 26, 2014Publication date: August 27, 2015Applicants: 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
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Publication number: 20150208981Abstract: 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: ApplicationFiled: April 7, 2015Publication date: July 30, 2015Applicant: 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