Patents by Inventor Young Seok Choi

Young Seok 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).

  • Patent number: 11069750
    Abstract: There is provided a flexible color filter for a display device, a flexible organic light-emitting display device comprising the color filter, and a manufacturing method therefor and, more specifically, a flexible color filter having a structure in which a base film, an adhesive layer, a separation layer, a protective layer, a black matrix layer, a pixel layer formed between different portions of the black matrix layer, and a planarization layer are sequentially stacked. The flexible color filter having the structure can be manufactured on a glass substrate, and thus advantages of solving a problem of thermal deformation of a plastic substrate in a high temperature process for implementing a color filter, enabling a fine pitch of a pattern, which cannot be implemented on a plastic substrate, and enabling diversification without limitations for a material of a base film can be secured.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: July 20, 2021
    Assignee: Dongwoo Fine-Chem Co., Ltd.
    Inventors: Young Seok Choi, Ju In Yoon, Min Soo Seo, Woo Choi
  • Patent number: 10590938
    Abstract: Provided is a regenerative blower. According to an illustrative embodiment of the present invention, the regenerative blower comprises an impeller comprising a plurality of blades disposed spaced apart in the circumferential direction, wherein, in the plurality of blades, each blade gap is arranged at an incremental angle (??i).
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: March 17, 2020
    Assignee: Korea Institute of Industrial Technology
    Inventors: Kyoung-Yong Lee, Young Seok Choi, Jin Hyuk Kim, Uk Hee Jung
  • Patent number: 10474787
    Abstract: A method for designing a centrifugal pump and a mixed flow pump having a specific speed of 150-1200 comprises a design specification determination step for a turbo pump including an impeller, a specific speed determination step for the impeller, a design variable determination step for the impeller, and a three dimensional shape deriving step for the impeller. According to the present invention, the three dimensional shape of the impeller can be simply designed by converting the design variables related to the specific speed into a function and by putting optimized design variables into a database.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: November 12, 2019
    Assignee: Korea Institute of Industrial Technology
    Inventors: Young Seok Choi, Kyoung Yong Lee, Sung Kim
  • Patent number: 10247199
    Abstract: Disclosed is a multi-volute sirocco fan (multiblade fan). The present invention relates to a multi-volute sirocco fan configured to discharge fluid into several directions while using one motor and one fan. The sirocco fan according to the present invention comprises: a driving motor; a fan connected to a rotation shaft of the driving motor to thus be rotated therewith, the fan having a plurality of vanes arranged and installed in a cylindrical shape along the circumferential direction thereof; and at least two stacked volutes in the center of which the fan is arranged and installed and which guide the fluid while the cross-sectional area formed by the upper and lower surfaces, side surfaces thereof and the outer circumferential surface of the fan is linearly increased.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: April 2, 2019
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Kyoung-Yong Lee, Young Seok Choi
  • Patent number: 10230063
    Abstract: A flexible display includes a flexible substrate that includes an active area, a pad area extending from the active area, and a bend allowance section extending from the pad area. A first buffer layer is disposed on the flexible substrate and includes at least three layers. A first insulation layer is disposed on the first buffer layer in the pad area, a gate line is disposed on the first insulation layer and extends from the active area to the pad area, a second insulation layer is disposed on the gate line in the pad area, a connection line is electrically connected to the gate line, and a second buffer layer covers the connection line. A top layer among the at least three layers of the first buffer layer is disposed in the active area and the pad area, a lower layer which is in contact with the top layer extends to the bend allowance section and a thickness of the lower layer bend allowance section is less than a thickness of the lower layer in the other areas.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: March 12, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Yi Sik Jang, Yu Ho Jung, Young Seok Choi
  • Publication number: 20180350653
    Abstract: Provided is a substrate supporting device which prevents intrusion of a process gas into a rear surface of a substrate in a high-temperature process. The substrate supporting device includes a support portion configured to have a line contact with an edge exclusion zone of the substrate that is deformed at a specific temperature.
    Type: Application
    Filed: May 21, 2018
    Publication date: December 6, 2018
    Inventors: Sang Jin Jeong, Jeung Hoon Han, Young Seok Choi, Ju Hyuk Park
  • Patent number: 10134980
    Abstract: In a method of manufacturing an MRAM device, a lower electrode and a preliminary first free layer pattern sequentially stacked are formed on a substrate. An upper portion of the preliminary first free layer pattern is removed to form a first free layer pattern. A second free layer and a tunnel barrier layer are sequentially formed on the first free layer pattern. The second free layer is partially oxidized to form a second free layer pattern. A fixed layer structure is formed on the tunnel barrier layer.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-Chul Park, Byoung-Jae Bae, Shin-Jae Kang, Young-Seok Choi
  • Publication number: 20180310672
    Abstract: The present invention relates to a method for manufacturing spikes for sports shoes, the method comprising: a primary injection-molding step for fixing a plurality of spike pin heads to one surface of a first fixed plate when injection-molding the first fixed plate such that the tip ends of the plurality of spike pins are exposed through the surface of the first fixed plate; a secondary injection-molding step for fixing a plurality of first fixed plates to one surface of a second fixed plate when injection-molding the second fixed plate, wherein the surfaces of the first fixed plates that are opposite to the surfaces to which the spike pines are fixed to the second fixed plate; and a second-fixed-plate fixing step for fixing, to the bottom of an outsole, the surface of the second fixed plate opposite to the surface to which the first fixed plates are fixed.
    Type: Application
    Filed: November 9, 2016
    Publication date: November 1, 2018
    Applicants: TREKSTA INC., DSM CO., LTD, BUSAN BUSINESS SUPPORT CENTER, KOREA INSTITUTE OF FOOTWEAR LEATHER TECHNOLOGY
    Inventors: Sung Won PARK, Jin Hoon KIM, Young Seok CHOI, Seon Seog SEO, Seung Beom PARK, Kyung Deuk LEE, Dae Woong KIM, Jung Hyun YOO, Jae Min JUNG, Kyung Hwan PARK, Myung Hun KIM, Ja Yeon PARK, Tae Young YOON
  • Publication number: 20180175115
    Abstract: The present invention relates to a flexible color filter for a display device, a flexible organic light-emitting display device comprising the color filter, and a manufacturing method therefor and, more specifically, to a flexible color filter having a structure in which a base film, an adhesive layer, a separation layer, a protective layer, a black matrix layer, a pixel layer formed between the black matrix layer, and a planarization layer are sequentially stacked. The flexible color filter having the structure can be manufactured on a glass substrate, and thus advantages of solving a problem of thermal deformation of a plastic substrate in a high temperature process for implementing a color filter, enabling a fine pitch of a pattern, which cannot be implemented on a plastic substrate, and enabling diversification without limitations for a material of a base film can be secured.
    Type: Application
    Filed: May 27, 2016
    Publication date: June 21, 2018
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Young Seok CHOI, Ju In YOON, Min Soo SEO, Woo CHOI
  • Publication number: 20180033979
    Abstract: A flexible display includes a flexible substrate that includes an active area, a pad area extending from the active area, and a bend allowance section extending from the pad area. A first buffer layer is disposed on the flexible substrate and includes at least three layers. A first insulation layer is disposed on the first buffer layer in the pad area, a gate line is disposed on the first insulation layer and extends from the active area to the pad area, a second insulation layer is disposed on the gate line in the pad area, a connection line is electrically connected to the gate line, and a second buffer layer covers the connection line. A top layer among the at least three layers of the first buffer layer is disposed in the active area and the pad area, a lower layer which is in contact with the top layer extends to the bend allowance section and a thickness of the lower layer bend allowance section is less than a thickness of the lower layer in the other areas.
    Type: Application
    Filed: July 26, 2017
    Publication date: February 1, 2018
    Inventors: Yi Sik JANG, Yu Ho JUNG, Young Seok CHOI
  • Publication number: 20170363091
    Abstract: Provided is a regenerative blower. According to an illustrative embodiment of the present invention, the regenerative blower comprises an impeller comprising a plurality of blades disposed spaced apart in the circumferential direction, wherein, in the plurality of blades, each blade gap is arranged at an incremental angle (??i).
    Type: Application
    Filed: December 2, 2015
    Publication date: December 21, 2017
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Kyoung-Yong LEE, Young Seok CHOI, Jin Hyuk KIM, Uk Hee JUNG
  • Publication number: 20170338408
    Abstract: In a method of manufacturing an MRAM device, a lower electrode and a preliminary first free layer pattern sequentially stacked are formed on a substrate. An upper portion of the preliminary first free layer pattern is removed to form a first free layer pattern. A second free layer and a tunnel barrier layer are sequentially formed on the first free layer pattern. The second free layer is partially oxidized to form a second free layer pattern. A fixed layer structure is formed on the tunnel barrier layer.
    Type: Application
    Filed: August 11, 2017
    Publication date: November 23, 2017
    Inventors: Jong-Chul PARK, Byoung-Jae BAE, Shin-Jae KANG, Young-Seok CHOI
  • Patent number: 9735349
    Abstract: In a method of manufacturing an MRAM device, a lower electrode and a preliminary first free layer pattern sequentially stacked are formed on a substrate. An upper portion of the preliminary first free layer pattern is removed to form a first free layer pattern. A second free layer and a tunnel barrier layer are sequentially formed on the first free layer pattern. The second free layer is partially oxidized to form a second free layer pattern. A fixed layer structure is formed on the tunnel barrier layer.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: August 15, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-Chul Park, Byoung-Jae Bae, Shin-Jae Kang, Young-Seok Choi
  • Patent number: 9698198
    Abstract: Provided is a memory device, including a memory element on a substrate; a protection insulating pattern covering a side surface of the memory element and exposing a top surface of the memory element; an upper mold layer on the protection insulating pattern; and a bit line on and connected to the memory element, the bit line extending in a first direction, the protection insulating pattern including a first protection insulating pattern covering a lower side surface of the memory element; and a second protection insulating pattern covering an upper side surface of the memory element and including a different material from the first protection insulating pattern.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: July 4, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Seok Choi, Jaehun Seo, Hyun-woo Yang, Jongchul Park
  • Patent number: 9679750
    Abstract: A deposition apparatus according to an exemplary embodiment of the present invention includes: a reactor; a plasma chamber connected to the reactor; a plasma electrode mounted inside of the plasma chamber; and a gas supply plate coupled with the plasma chamber to supply gas into the plasma chamber, wherein a plurality of gas holes is formed at an inner wall of the gas supply plate, and the plurality of gas supply holes is spaced apart from each other by a predetermined interval.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: June 13, 2017
    Assignee: ASM IP HOLDING B.V.
    Inventors: Young Seok Choi, Dae Youn Kim
  • Patent number: 9551354
    Abstract: A regenerative fluid machine having guide vanes on a flow channel wall is disclosed. The regenerative fluid machine includes a circular plate-shaped impeller having a plurality of vanes radially formed on an outer circumference thereof at regular intervals, casings in which the impeller is housed, and flow channels, each of which has a suction hole and a discharge hole in opposite ends thereof, and which are circumferentially disposed within the casings so as to face the vanes. The plurality of guide vanes having an inclined angle (?) with respect to a radial direction protrude from the flow channel wall in a rotational direction of the impeller so that a relative inflow angle (?) of the fluid introduced into the impeller grooves is increased and thus an absolute inflow angle (?) is decreased.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: January 24, 2017
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Kyoung Yong Lee, Young Seok Choi
  • Publication number: 20170002829
    Abstract: Disclosed is a multi-volute sirocco fan (multiblade fan). The present invention relates to a multi-volute sirocco fan configured to discharge fluid into several directions while using one motor and one fan. The sirocco fan according to the present invention comprises: a driving motor; a fan connected to a rotation shaft of the driving motor to thus be rotated therewith, the fan having a plurality of vanes arranged and installed in a cylindrical shape along the circumferential direction thereof; and at least two stacked volutes in the center of which the fan is arranged and installed and which guide the fluid while the cross-sectional area formed by the upper and lower surfaces, side surfaces thereof and the outer circumferential surface of the fan is linearly increased.
    Type: Application
    Filed: November 24, 2014
    Publication date: January 5, 2017
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Kyoung-Yong LEE, Young Seok CHOI
  • Publication number: 20160342730
    Abstract: A method for designing a centrifugal pump and a mixed flow pump having a specific speed of 150-1200 of the present invention comprises: a design specification determination step for a turbo pump including an impeller; a specific speed determination step for the impeller; a design variable determination step for the impeller; and a three dimensional shape deriving step for the impeller. According to the present invention, the three dimensional shape of the impeller can be simply designed by converting the design variables related to the specific speed into a function and by putting optimized design variables into a database.
    Type: Application
    Filed: December 16, 2014
    Publication date: November 24, 2016
    Inventors: Young Seok Choi, Kyoung Yong Lee, Sung Kim
  • Patent number: 9496166
    Abstract: A substrate transporting arm and a substrate transporting apparatus to prevent a substrate from sliding and increase a process speed of the substrate, thereby improving productivity. The substrate transporting arm includes a body and a plurality of substrate supporters coupled to the body. Each of the plurality of substrate supporters includes a substrate holder and a substrate supporter pin, and an inner side of the substrate holder includes an inclined portion.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: November 15, 2016
    Assignee: ASM IP HOLDING B.V.
    Inventor: Young Seok Choi
  • Patent number: D830981
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: October 16, 2018
    Assignee: ASM IP Holding B.V.
    Inventors: Sang Jin Jeong, Jeung Hoon Han, Young Seok Choi, Ju Hyuk Park