Patents by Inventor Seong Woo Choi

Seong Woo 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: 11953958
    Abstract: A display includes: a display panel; and a panel bottom sheet disposed below the display panel, the panel bottom sheet including: a first heat dissipation layer; a second heat dissipation layer over the first heat dissipation layer, including a first opening formed completely through the second heat dissipation layer in a thickness direction; a heat dissipation coupling interlayer between the first heat dissipation layer and the second heat dissipation layer, and a heat dissipation substrate on the second heat dissipation layer.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Woo Lee, Boo Kan Ki, June Hyoung Park, Sun Hee Oh, Dong Hyeon Lee, Jeong In Lee, Hyuk Hwan Kim, Seong Sik Choi
  • Patent number: 10355284
    Abstract: A composition containing a uniformly dispersed polyoxazine-based compound, a method of preparing the composition, an electrode including the composition, and a fuel cell including the electrode.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: July 16, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-ock Park, Seong-woo Choi, Woo-sung Jeon, Jung-seok Yi, Oemer Uensal
  • Patent number: 9722270
    Abstract: A polymer including a reaction product of a sulfonated polyarylene ether sulfone and at least one compound selected from a sulfonated compound having a thiol group at a terminal thereof and a sulfonated compound having a hydroxy group at a terminal thereof.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: August 1, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Seong-woo Choi, Chan-ho Pak, Ki-hyun Kim, Jong-chan Lee
  • Patent number: 9680156
    Abstract: A composition including a compound having a fluorine functional group, a polymer as a polymerization product of the composition, an electrode and an electrolyte membrane for a fuel cell, which include the composition or the polymer thereof, and a fuel cell including at least one of the electrode and the electrolyte membrane.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: June 13, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Seong-woo Choi, Jung-ock Park
  • Patent number: 9515341
    Abstract: A porous membrane with pores that includes a polymerization product of a polyazole-based material, an electrolyte membrane including the porous membrane with a proton-conductive polymer provided in pores of the porous membrane, methods of manufacturing the porous membrane and the electrolyte membrane, and a fuel cell employing at least one of the porous membrane and the electrolyte membrane.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: December 6, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Seong-woo Choi, Jong-chan Lee, Ki-hyun Kim, Sung-kon Kim, Pil-won Heo, Ki-hyun Kim
  • Patent number: 9484588
    Abstract: A compound including a cage-type structure of silsesquioxane wherein a group represented by Formula 1 or a salt thereof is directly linked to at least one silicon atom of the silsesquioxane, a composition including the compound, a composite formed therefrom, electrodes and an electrolyte membrane that include the composite, a method of preparing the compound, and a fuel cell including the electrodes and the electrolyte membrane. wherein in Formula 1, n is 1 or 2.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: November 1, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-hyun Kim, Seong-woo Choi, Jong-chan Lee, Pil-won Heo, Kihyun Kim, Sung-kon Kim
  • Publication number: 20160268609
    Abstract: A composition containing a uniformly dispersed polyoxazine-based compound, a method of preparing the composition, an electrode including the composition, and a fuel cell including the electrode.
    Type: Application
    Filed: May 20, 2016
    Publication date: September 15, 2016
    Inventors: Jung-ock PARK, Seong-woo CHOI, Woo-sung JEON, Jung-seok YI, Oemer UENSAL
  • Patent number: 9368803
    Abstract: A composition containing a uniformly dispersed polyoxazine-based compound, a method of preparing the composition, an electrode including the composition, and a fuel cell including the electrode.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: June 14, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-ock Park, Seong-woo Choi, Woo-sung Jeon, Jung-seok Yi, Oemer Uensal
  • Patent number: 9308946
    Abstract: A structure for coupling vehicle members is disclosed, wherein in a coupling structure for coupling a front side member having a side inner member and a side outer member to a front fender apron member together, the front fender apron member is coupled to the side outer member together with a fender apron inner panel, the side outer member has a side outer front member and a side outer rear member, and the front fender apron member has a rear side of a bottom end joined the side outer rear member of the front side member, and a lower front extended end portion formed as one unit and joined a side inner member inserted between the side outer front member and the side outer rear member of the front side member.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: April 12, 2016
    Assignee: Kia Motors Coporation
    Inventors: Seungwon An, Seung Hyun Kang, Seong Woo Choi
  • Patent number: 9178237
    Abstract: A conductive composition, a polymer obtained from the conductive composition, a method of preparing the composition, an electrode and electrolyte membrane of a fuel cell, each including at least one of the composition and the polymer, and a fuel cell including at least one of the composition and the polymer. The conductive composition includes at least one benzoxazine-based compound with a conductive functional group and a cross-linkable compound. A composition including a conductive functional group and a polymer that is a polymerization product of the composition demonstrates good resistance to chemicals, heat, and acid. An electrode for fuel cells that includes the same demonstrates improved electrical conductivity.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-jong Yoo, Seong-woo Choi, So-young Park
  • Patent number: 9178218
    Abstract: A hyper-branched polymer, which is a product obtained by performing condensation polymerization reaction of a hyper-branched polymer composition including a diisocyanate-based compound and a dihydroxyamine-based compound, a cross-linked hyper-branched polymer, an electrode and electrolyte membrane for a fuel cell including the hyper-branched polymer or the cross-linked hyper-branched polymer, and a fuel cell including the electrode and the electrolyte membrane.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: November 3, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Seong-woo Choi, Cheol-hee Ahn, Jung-ock Park, So-young Park
  • Publication number: 20150311537
    Abstract: A composition including a compound having a fluorine functional group, a polymer as a polymerization product of the composition, an electrode and an electrolyte membrane for a fuel cell, which include the composition or the polymer thereof, and a fuel cell including at least one of the electrode and the electrolyte membrane.
    Type: Application
    Filed: July 6, 2015
    Publication date: October 29, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-woo CHOI, Jung-ock PARK
  • Patent number: 9112232
    Abstract: A composition including a compound having a fluorine functional group, a polymer as a polymerization product of the composition, an electrode and an electrolyte membrane for a fuel cell, which include the composition or the polymer thereof, and a fuel cell including at least one of the electrode and the electrolyte membrane.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: August 18, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-woo Choi, Jung-ock Park
  • Patent number: 9096725
    Abstract: A cross-linked polyazole, a method of preparing the cross-linked polyazole, an electrode and an electrolyte membrane for a fuel cell, which include the cross-linked polyazole, a method of manufacturing the electrolyte membrane, and a fuel cell including the cross-linked polyazole.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: August 4, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&D FOUNDATION
    Inventors: Seong-woo Choi, Jong-chan Lee, Jung-ock Park
  • Patent number: 9051433
    Abstract: A polymer composition, a cross-linked polymer formed therefrom, an electrolyte membrane and electrode for a fuel cell including the same, and a fuel cell employing the electrode and the electrolyte membrane. The cross-linked polymer includes an oxazine-based monomer capable of retaining phosphoric acid and has excellent mechanical strength. When the cross-linked polymer is used, an electrode and electrolyte membrane for a fuel cell with enhanced capability of retaining phosphoric acid at a wide range of temperature may be manufactured, leading to long-term durability, and enhanced proton conductivity.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: June 9, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Seong-woo Choi, Jong-chan Lee, Jung-ock Park, Sung-kon Kim, Jung-woo Jung
  • Publication number: 20150069777
    Abstract: A structure for coupling vehicle members is disclosed, wherein in a coupling structure for coupling a front side member having a side inner member and a side outer member to a front fender apron member together, the front fender apron member is coupled to the side outer member together with a fender apron inner panel, the side outer member has a side outer front member and a side outer rear member, and the front fender apron member has a rear side of a bottom end joined the side outer rear member of the front side member, and a lower front extended end portion formed as one unit and joined a side inner member inserted between the side outer front member and the side outer rear member of the front side member.
    Type: Application
    Filed: December 30, 2013
    Publication date: March 12, 2015
    Applicant: Kia Motors Corporation
    Inventors: Seungwon An, Seung Hyun KANG, Seong Woo CHOI
  • Publication number: 20150037708
    Abstract: A polymer including a reaction product of a sulfonated polyarylene ether sulfone and at least one compound selected from a sulfonated compound having a thiol group at a terminal thereof and a sulfonated compound having a hydroxy group at a terminal thereof.
    Type: Application
    Filed: July 23, 2014
    Publication date: February 5, 2015
    Inventors: Seong-woo CHOI, Chan-ho PAK, Ki-hyun KIM, Jong-chan LEE
  • Patent number: 8936887
    Abstract: A composite electrolyte membrane for a fuel cell with a controlled phosphoric acid-based material retention ratio. The composite electrolyte membrane includes an electrolyte membrane containing a compound having a phosphoric acid-based material-containing functional group. Also disclosed are a method for manufacturing the composite electrolyte membrane, and a fuel cell including the composite electrolyte membrane.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: January 20, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-woo Choi, Dae-jong Yoo, Ki-hyun Kim
  • Publication number: 20140239674
    Abstract: A connecting system of a side member for a vehicle includes a member connecting member configured to connect a center side member and a rear side member provided at a floor of the vehicle in a length direction. The center side member, the rear side member, and a side sill are connected to one another through the member connecting member so as to improve frame rigidity and the center side member. The rear side member, the side sill, and the member connecting member are connected to a rear trailing arm mounting part, such that a moment occurrence is prevented and deformation of a car body is minimized to increase durability and to secure a battery mounting space, thereby making it possible to easily configure the layout.
    Type: Application
    Filed: May 29, 2013
    Publication date: August 28, 2014
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Seung Won AN, Seung Hyun KANG, Seong Woo CHOI, Hee Choul ROH
  • Patent number: 8802320
    Abstract: An electrolytic membrane for a fuel cell including a crystalline organic and inorganic porous composite, an electrode for a fuel cell including a crystalline organic and inorganic porous composite, and a fuel cell including the electrolytic membrane and/or the electrode.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: August 12, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-woo Choi, Ki-hyun Kim, Kyo-sung Park, Seon-ah Jin