Patents by Inventor Seung-sik Hwang

Seung-sik Hwang 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: 20240113260
    Abstract: A display device includes a display area where an image is displayed, a non-display area disposed adjacent to the display area, a first sub-pixel disposed in the display area, and a second sub-pixel disposed adjacent to the first sub-pixel in the display area. Each of the first sub-pixel and the second sub-pixel includes a plurality of alignment electrodes spaced apart from each other, and a plurality of light emitting elements disposed between the plurality of alignment electrodes. Each of the plurality of light emitting elements includes a first end having a first polarity, and a second end having a second polarity different from the first polarity. An orientation of the light emitting elements in the first sub-pixel and an orientation of the light emitting elements in the second sub-pixel are symmetrical. The first sub-pixel includes an identification pattern for distinguishing the first sub-pixel from the second sub-pixel.
    Type: Application
    Filed: August 9, 2023
    Publication date: April 4, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hoon KIM, Min Joo KIM, Je Won YOO, Seung Kyu LEE, Yong Sik HWANG
  • Publication number: 20240099114
    Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.
    Type: Application
    Filed: November 24, 2023
    Publication date: March 21, 2024
    Inventors: Jae Sik KIM, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE, Kyu Hwan HWANG
  • Publication number: 20240081131
    Abstract: A display device includes a glass substrate including a first surface, a second surface opposite to the first surface, and a side surface between the first and second surfaces, an outermost structure disposed on the first surface and adjacent to an edge of the glass substrate, and a display area including a plurality of emission areas spaced apart from the edge on the first surface of the glass substrate. The side surface has a curved shape with the edge protruding to an outermost side of the glass substrate, the side surface includes a first side surface between the edge and the first surface, and a second side surface between the edge and the second surface and having a different curvature from the first side surface, and the glass substrate includes an edge area on the first surface, adjacent to the edge, and, in which processing traces are left.
    Type: Application
    Filed: June 9, 2023
    Publication date: March 7, 2024
    Inventors: Jeong Ho KIM, Konstantin MISHCHIK, Hyung Sik KIM, Kyung Han YOO, Seung Hoon JANG, Se Yeon HWANG
  • Publication number: 20240079748
    Abstract: In some implementations, is provided a battery cell, and battery module and battery pack including the same including: an electrode assembly in which a plurality of polar plates are stacked; a case having an internal space in which the electrode assembly is accommodated; a cap assembly coupled to the case and having a terminal disposed therein; and a connection pin configured to electrically connect the electrode assembly and the terminal, wherein the terminal includes: a rivet having an insertion hole into which the connection pin is inserted; and a terminal portion coupled to the rivet.
    Type: Application
    Filed: August 22, 2023
    Publication date: March 7, 2024
    Inventors: Jae Sik SHIN, Seung Hoon JU, Jae Gyu BYUN, Gi Jeong SEO, Dong Ha HWANG
  • Publication number: 20210048258
    Abstract: A heat exchange device effectively collects heat in a device, in which high temperature occurs, such as a scrubber. The heat exchange device includes a first heat exchange unit having a reactor positioned on the center thereof and having a first passage, which is arranged to enclose the reactor and discharges a first gas generated in the reactor, and a second passage, which is arranged adjacent to the first passage and introduces a second gas introduced from the outside. A second heat exchange unit is installed to enclose the first heat exchange unit and having a third passage, which is connected to the first passage and receives the first gas from the first passage to discharge the first gas to the outside, and a fourth passage, which is arranged adjacent to the third passage and introduces the second gas introduced from the outside into the second passage.
    Type: Application
    Filed: February 28, 2018
    Publication date: February 18, 2021
    Applicant: HINEND CO., LTD.
    Inventors: Seung-Sik HWANG, Gyuhong CHOI, Hyunjong JUNG
  • Patent number: 9972839
    Abstract: A negative active material, a method of preparing the same, and a lithium secondary battery including the negative electrode. The negative active material includes a plurality of titanium oxide nanotubes, wherein the Raman shift of the negative active material includes a characteristic peak located at a Raman shift between about 680 cm?1 and about 750 cm?1.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: May 15, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-sang Song, Ka-hee Shin, Ja-man Choi, Moon-seok Kwon, Jeong-kuk Shon, Jong-hyeok Park, Seung-sik Hwang
  • Patent number: 9790091
    Abstract: Provided herein is a negative active material including an ordered porous manganese oxide, wherein pores of the ordered porous manganese oxide have a bimodal size distribution. Provided herein is a method of preparing a negative active material that includes the ordered porous manganese oxide. The invention also includes a negative electrode which includes the negative active material and a lithium battery which includes the negative electrode.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: October 17, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-kuk Shon, Jae-man Choi, Moon-seok Kwon, Min-sang Song, Seung-sik Hwang, Han-su Kim, Ji-man Kim, Gwi-ok Park
  • Patent number: 9748562
    Abstract: A negative active material including graphite; silicon nanowires; and silicon nanoparticles, wherein a silicon nanowire of the silicon nanowires and a silicon nanoparticle of the silicon nanoparticles are each disposed on a particle of the graphite to form a composite with the graphite.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: August 29, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-jin Ham, Jeong-kuk Shon, Min-sang Song, Seung-sik Hwang, Jun-hwan Ku, Jae-jun Chang, Sang-min Ji, Jae-man Choi
  • Patent number: 9692049
    Abstract: An anode for a lithium secondary battery including: a composite anode active material including an anode active material, and a water-soluble polymer disposed on a surface of the anode active material; and a binder disposed on the composite anode active material, the binder including one or more selected from a polyimide, a polyamideimide, a polyamide, and a polyetherimide.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: June 27, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-sik Hwang, Hyung-wook Ha, Jin-hwan Park, Hee-chul Jung
  • Patent number: 9601804
    Abstract: A gel polymer electrolyte including: an organic solvent; a lithium salt that reacts with residual water contained in the organic solvent to produce at least one material selected from the group consisting of a protonic acid and a Lewis acid; and a polymer that is generated by polymerizing at least one monomer selected from the group consisting of monomers represented by Formulae 1 to 3 below: wherein in Formulae 1 to 3, R1 to R31 are the same as defined in the detailed description section of the specification.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-sik Hwang, Han-su Kim, Jae-man Choi, Moon-seok Kwon
  • Patent number: 9472806
    Abstract: A polymer including a first repeating unit represented by Formula 1 and a second repeating unit including a substituted or unsubstituted C2-C30 alkenyl group: wherein, in Formula 1, groups R, R?, A, A?, Y, and Y? are defined in the specification.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: October 18, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-sik Hwang, Jong-hwan Park, Jae-man Choi
  • Patent number: 9455443
    Abstract: A lithium titanium oxide spinel having a ratio of FWHM1/FWHM2 at a spinning rate of about 5 kHz to about 50 kHz of about 1.70 or less, wherein FWHM1 is a full width at half maximum of a 7Li peak present about ?10 parts per million to about +10 parts per million in a solid state nuclear magnetic resonance spectrum of the lithium titanium oxide, FWHM2 is a full width at half maximum of a 7Li peak present about ?10 parts per million to about +10 parts per million in a solid state nuclear magnetic resonance spectrum of a lithium chloride standard reagent, and FWHM1 and FWHM2 are measured at the same spinning rate.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: September 27, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-sang Song, Ryoung-hee Kim, Jeong-kuk Shon, Young-min Choi, Jae-man Choi, Moon-seok Kwon, Seung-sik Hwang
  • Patent number: 9444085
    Abstract: A stack type battery includes a stack including: a plurality of cathode sheets; a plurality of anode sheets, which are alternately disposed with the cathode sheets; and a plurality of separators, where each of the separator is disposed between a corresponding cathode sheet of the cathode sheets and a corresponding anode sheet of the anode sheets, where the stack includes first to third protrusions, the first protrusion includes a portion of the cathode sheets which does not overlap the anode sheets and the separators, and the second protrusion includes a portion of the anode sheets which does not overlap the cathode sheets and the separators.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: September 13, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Moon-seok Kwon, Seung-sik Hwang, Jeong-kuk Shon, Jae-man Choi, Jun-hwan Ku, Min-sang Song
  • Patent number: 9431658
    Abstract: A positive electrode for a lithium battery including a protected negative electrode containing a lithium metal or a lithium alloy, wherein the positive electrode contains a positive electrode active material, a polyoxometalate compound, and a conductive material. Also provided is a lithium battery including the positive electrode.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: August 30, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-sung Choi, Dong-min Im, Victor Roev, Young-gyoon Ryu, Dong-joon Lee, Seung-sik Hwang
  • Patent number: 9343732
    Abstract: An electrode active material, an electrode including the electrode active material, a lithium battery including the electrode, and a method of preparing the electrode active material. The electrode active material includes a core having at least one of a metal or a metal oxide that enables intercalation and deintercalation of lithium ions and a crystalline carbon thin film that is formed on at least a portion of a surface of the core. The electrode active material has a nano-structure.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-kuk Shon, Jae-man Choi, Seung-sik Hwang, Moon-seok Kwon, Min-sang Song, Myung-hoon Kim, Ji-man Kim, Gwi-ok Park
  • Patent number: 9331338
    Abstract: A polymer including a first repeating unit represented by Formula 1, a polymer composition for a lithium battery including the polymer, an electrode for a lithium battery including the polymer composition, and a lithium battery including the electrode: wherein, in Formula 1, R, R?, A, A?, Y, and Y? are as defined in the specification.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: May 3, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Seung-sik Hwang, Jun-hwan Ku, Jeong-kuk Shon, Jae-man Choi
  • Patent number: 9325028
    Abstract: A flexible secondary battery includes an electrode stack structure. The electrode stack structure includes a first electrode layer including a first metal current collector, a second electrode layer including a second metal current collector, an isolation layer between the first electrode layer and the second electrode layer, connection tabs respectively extended from an end portion of the first metal current collector at a first end portion of the first electrode layer and an end portion of the second metal current collector at a first end portion of the second electrode layer; and a fixing element which fixes the end portions of the first and second metal current collectors only at a first end portion of the electrode stack structure. Second end portions of the first and second electrode layers opposite to the first end portions thereof are movable.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: April 26, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Moon-seok Kwon, Jae-man Choi, Seok-gwang Doo, Jeong-kuk Shon, Min-sang Song, Seung-sik Hwang
  • Patent number: 9302596
    Abstract: A redox flow battery. A metal-ligand coordination compound including an aromatic ligand that contains an electron withdrawing group is used as the catholyte and/or the anolyte so that a redox flow battery having high energy density and excellent charge/discharge efficiency may be provided.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: April 5, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joung-won Park, Myung-jin Lee, Seung-sik Hwang, Doo-yeon Lee, Duk-jin Oh
  • Patent number: 9306235
    Abstract: Provided are redox flow batteries employing supporting electrolyte of a ring- or spiro-type structure and having high energy efficiencies and energy densities.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: April 5, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung-jin Lee, Duk-jin Oh, Seung-sik Hwang
  • Patent number: 9269986
    Abstract: An electrolyte composition including a macro azo initiator containing a polyethylene oxide repeating unit, and a multi-functional urethane acrylate-based monomer, a gel polymer electrolyte including the electrolyte composition, and a lithium battery including the gel polymer electrolyte.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: February 23, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-sik Hwang, Moon-seok Kwon, Myung-hoon Kim, Jeong-kuk Shon, Min-sang Song, Jae-man Choi