Patents by Inventor Se Mi Park

Se Mi Park 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: 10993434
    Abstract: The present invention relates to an exopolysaccharide derived from Pseudoalteromonas sp. strain CY01 (KCTC 12867BP) which is a novel strain living in the polar regions, and to a composition for cryoprotection of cells, which contains the exopolysaccharide. The exopolysaccharide of the present invention has an excellent ability to cryoprotect cells, and shows no cytotoxicity. Thus, the inventive exopolysaccharide can substitute for conventional cryoprotective agents that show cytotoxicity when used at high concentrations.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: May 4, 2021
    Assignee: Korea Institute of Ocean Science and Technology
    Inventors: Joung Han Yim, Il-Chan Kim, Se Jong Han, Ui Joung Youn, Hong Kum Lee, Sung Jin Kim, Pil-Sung Kang, Jung Eun Kim, Tai Kyoung Kim, Ha Ju Park, Jin Haeng Song, Min Ju Kim, Ju Mi Hong, Dong-Gyu Jo
  • Publication number: 20210118013
    Abstract: A method of displaying a profile view in an instant messaging service includes providing at least one set item applicable to the profile view for the personal account, applying a set item selected by the user from the set item to the profile view, providing an edit view for editing at least one profile item included in the set item applied to the profile view, and displaying a profile view edited through the edit view.
    Type: Application
    Filed: October 19, 2020
    Publication date: April 22, 2021
    Inventors: Hyo Jin HAM, Ha Young KIM, So Ra LEE, Jeong Min YUN, Seong Hoon KIM, Do Yeon KIM, Ji Hwi PARK, Se Hyeong KIM, Seung Hyup HAN, Hye Mi LEE
  • Publication number: 20200403235
    Abstract: A negative electrode active material for a lithium secondary battery, which includes a silicon-based particle represented by M-SiOx, wherein M is Li, Mg, Ca, Al, or Ti, and 0?x<2, wherein the M-SiOx includes an amorphous phase at 20 wt % to 70 wt % based upon a total weight of the M-SiOx, thereby exhibiting excellent initial efficiency and lifespan characteristics, and a preparation method thereof.
    Type: Application
    Filed: November 22, 2018
    Publication date: December 24, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Yong Ju LEE, Rae Hwan JO, Su Min LEE, Dong Hyuk KIM, Se Mi PARK
  • Publication number: 20200365882
    Abstract: The present invention relates to a silicon-based particle-polymer composite, which includes silicon-based particles; and a polymer coating layer formed on the silicon-based particles, in which the polymer coating layer includes metal-substituted poly(acrylic acid) in which hydrogen atoms in carboxyl groups of the poly(acrylic acid) chain are substituted with one or more selected from the group consisting of K, Na and Li.
    Type: Application
    Filed: November 22, 2018
    Publication date: November 19, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Se Mi PARK, Je Young KIM, Yong Ju LEE, Rae Hwan JO, Su Min LEE, Jung Hyun CHOI
  • Publication number: 20200343544
    Abstract: The present invention relates to a negative electrode active material including a spherical carbon-based particle, and a carbon layer disposed on the spherical carbon-based particle and including a nano-particle, wherein the nano-particle has a silicon core, an oxide layer disposed on the silicon core and including SiOx (0<x?2), and a coating layer covering at least a portion of the surface of the oxide layer and including LiF.
    Type: Application
    Filed: November 9, 2018
    Publication date: October 29, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hyun CHOI, Yong Ju LEE, Eun Kyung KIM, Rae Hwan JO, Su Min LEE, Dong Hyuk KIM, Se Mi PARK, Il Geun OH
  • Publication number: 20200313173
    Abstract: A negative electrode active material which includes a core including SiOx (0<x<2), a shell disposed on the core and includes lithium silicate, and a coating layer disposed on the shell and includes carbon nanotubes. Also, a method of preparing a negative electrode active material as well as a negative electrode and a battery including the same.
    Type: Application
    Filed: October 19, 2018
    Publication date: October 1, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Il Geun OH, Eun Kyung KIM, Yong Ju LEE, Rae Hwan JO, Su Min LEE, Jung Hyun CHOI, Dong Hyuk KIM, Se Mi PARK
  • Publication number: 20200266424
    Abstract: The present invention relates to a negative electrode active material including a carbonaceous matrix having a plurality of nano-particles, wherein the nano-particles have a silicon core, an oxide layer disposed on the silicon core and including SiOx (0<x?2), and a coating layer covering at least a portion of the surface of the oxide layer and including LiF.
    Type: Application
    Filed: November 9, 2018
    Publication date: August 20, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hyun CHOI, Seung Youn CHOI, Eun Kyung KIM, Yong Ju LEE, Rae Hwan JO, Su Min LEE, Dong Hyuk KIM, Se Mi PARK, Il Geun OH
  • Publication number: 20200243853
    Abstract: A silicon-carbon complex comprising carbon-based particles and silicon-based particles, wherein the silicon-based particles are dispersed and positioned on surfaces of the carbon-based particles, the carbon-based particles have a specific surface area of 0.4 m2/g to 1.5 m2/g, and the silicon-based particles are doped with one or more elements selected from the group consisting of Mg, Li, Ca, and Al, and a negative electrode active material for lithium secondary battery comprising the same.
    Type: Application
    Filed: October 26, 2018
    Publication date: July 30, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Su Min LEE, Eun Kyung KIM, Yong Ju LEE, Rae Hwan JO, Dong Hyuk KIM, Se Mi PARK
  • Publication number: 20200243836
    Abstract: The present invention relates to a method of preparing a negative electrode active material which includes forming a mixture by mixing Li2O and SiOx(0<x<2) particles including SiO2, forming a reaction product by performing a heat treatment on the mixture at 400° C. to 600° C., and removing a portion of lithium silicate in the reaction product by washing the reaction product.
    Type: Application
    Filed: October 19, 2018
    Publication date: July 30, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Il Geun OH, Eun Kyung KIM, Yong Ju LEE, Rae Hwan JO, Su Min LEE, Jung Hyun CHOI, Dong Hyuk KIM, Se Mi PARK
  • Publication number: 20200227740
    Abstract: An electrode for batteries that does not include a metal-film-type current collector is disclosed herein. In some embodiments, the electrode comprises a composite having a core-shell structure including a core having an electrode active material, and a metal material coated on or doped in the surface of the core. A secondary battery having the electrode has increased capacity and energy density and exhibits improved lifespan characteristics.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Se Mi Park, Eun Kyung Kim, Yong Ju Lee, Sun Young Shin, Dong Hyuk Kim
  • Patent number: 10644298
    Abstract: The present invention provides a battery cell including: an electrode assembly including an electrode tab protruding toward at least one external side; a battery case including a receiving portion on which the electrode assembly is received; and an electrode lead connected to the electrode tab to be connected to an external device, wherein the electrode lead may include: a tab connecting portion electrically connected to the electrode tab; and a protruding extension protruding outside of the battery case in a state of extending from the tab connecting portion to be electrically connected to the external device, and the tab connecting portion may be formed so that a length of a width direction perpendicular to a protruding direction of the electrode tab may be relatively larger than that of the electrode tab.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: May 5, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yong Jun Kim, Seok Koo Kim, Chae Ah Kim, Se Mi Park, Seung Hyun Chung
  • Publication number: 20200035995
    Abstract: A method of manufacturing a high loading electrode, which prevents the phenomenon of the binder being lifted, does not cause drying of the electrode slurry, and does not cause damage of the electrode layer and reduction of the electrode strength at the corners in the punching is provided. The method of manufacturing the high loading electrode includes applying an electrode slurry on a release film to thereby produce an electrode layer having the release film attached thereto, punching the electrode layer having the release film attached thereto to provide a plurality of punched electrode layers, each punched electrode layer having a size of a unit electrode, separating and removing the release film from the punched electrode layers, and stacking and rolling at least two punched electrode layers on a current collector.
    Type: Application
    Filed: March 8, 2018
    Publication date: January 30, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Ji Won MIN, Seok Koo KIM, Yong Jun KIM, Janis DOELLE, Se Mi PARK
  • Patent number: 10476068
    Abstract: The present invention relates to a battery module that includes a probe for detecting expansion of a battery cell. More particularly, the present invention relates to a battery module including: two or more of rechargeable battery cells; a sensing probe provided at an external surface of at least one of the battery cells to sense a local expansion change of the battery cell and transmitting a signal; and a controller receiving the signal from the sensing probe, estimating an internal pressure of the battery cell from the received signal, and generating a warning signal to assure safety of the battery module when the estimated internal pressure exceeds a threshold pressure level.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: November 12, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Seung Hyun Chung, Chae Ah Kim, Se Mi Park
  • Publication number: 20190267614
    Abstract: The present invention relates to a method of preparing a positive electrode for a secondary battery, which includes preparing a positive electrode by forming a positive electrode active material layer including a positive electrode active material, a conductive agent, and a binder on a positive electrode collector, impregnating the positive electrode in a sacrificial salt solution including a sacrificial salt additive, and, after the impregnating of the positive electrode in the sacrificial salt solution, drying the positive electrode to fill pores of the positive electrode active material layer with the sacrificial salt additive, and a positive electrode for a secondary battery prepared thereby.
    Type: Application
    Filed: May 25, 2018
    Publication date: August 29, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Yong Ju Lee, Sun Young Shin, Se Mi Park, Il Geun Oh, Eun Kyung Kim
  • Publication number: 20180254468
    Abstract: The present invention provides a battery cell including: an electrode assembly including an electrode tab protruding toward at least one external side; a battery case including a receiving portion on which the electrode assembly is received; and an electrode lead connected to the electrode tab to be connected to an external device, wherein the electrode lead may include: a tab connecting portion electrically connected to the electrode tab; and a protruding extension protruding outside of the battery case in a state of extending from the tab connecting portion to be electrically connected to the external device, and the tab connecting portion may be formed so that a length of a width direction perpendicular to a protruding direction of the electrode tab may be relatively larger than that of the electrode tab.
    Type: Application
    Filed: September 12, 2016
    Publication date: September 6, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yong Jun Kim, Seok Koo Kim, Chae Ah Kim, Se Mi Park, Seung Hyun Chung
  • Publication number: 20180254522
    Abstract: The present invention provides a curing die for manufacturing a gel polymer electrolyte, and a method for manufacturing a gel polymer battery cell by using the same, the curing die comprising: a first die having a recessed part, which is formed inside a battery case and has a processing battery cell mounted therein and including an electrode assembly and a composition for forming the gel polymer electrolyte; and a second die coupled to the first die so as to seal the processing battery cell mounted in the recessed part.
    Type: Application
    Filed: November 9, 2016
    Publication date: September 6, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Se Mi Park, Yong Jun Kim, Chae Ah Kim, Seok Koo Kim, Seung Hyun Chung
  • Publication number: 20180047972
    Abstract: The present invention relates to a battery module that includes a probe for detecting expansion of a battery cell. More particularly, the present invention relates to a battery module including: two or more of rechargeable battery cells; a sensing probe provided at an external surface of at least one of the battery cells to sense a local expansion change of the battery cell and transmitting a signal; and a controller receiving the signal from the sensing probe, estimating an internal pressure of the battery cell from the received signal, and generating a warning signal to assure safety of the battery module when the estimated internal pressure exceeds a threshold pressure level.
    Type: Application
    Filed: September 29, 2016
    Publication date: February 15, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Seung Hyun Chung, Chae Ah Kim, Se Mi Park
  • Patent number: 9367941
    Abstract: An image output apparatus and a method of rendering an image thereof are provided. The method includes: a data input configured to receive stroke attribute information; a vertex generator configured to generate a vertex which indicates an outer appearance of a stroke based on the stroke attribute information; an alpha value setter configured to calculate a size of a texture based on the stroke attribute information and set an alpha value that will be stored in the texture; a UV setter configured to set UV information based on the stroke attribute information; a renderer configured to render the stroke based on the vertex, the texture in which the alpha value is stored and the UV information; and an output configured to output the rendered stroke.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: June 14, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul-sang Chang, Seung-cheon Baek, Se-mi Park
  • Patent number: 9104937
    Abstract: An apparatus and methods for recognizing an image with an increased image recognition rate are provided. The apparatus includes a plurality of illuminators for illuminating a surface. The apparatus also includes an image sensor for outputting an image frame obtained by converting an optical image of the surface into an electrical signal. The surface is illuminated one of the plurality of illuminators. The apparatus further includes a switch for selecting any of the plurality of illuminators for illuminating the surface. The apparatus additionally includes a controller for receiving the image frame from the image sensor, determining whether the image frame has a region of reflected light, and controlling the switch to select another of the plurality of illuminators to illuminate the surface when the image frame has the region of reflected light.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: August 11, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Po-Ra Kim, Jeong-Seok Choi, Kang-Nam Kim, Se-Mi Park, Seong-Min Seo, In-Kuk Yun
  • Publication number: 20150145881
    Abstract: An image output apparatus and a method of rendering an image thereof are provided. The method includes: a data input configured to receive stroke attribute information; a vertex generator configured to generate a vertex which indicates an outer appearance of a stroke based on the stroke attribute information; an alpha value setter configured to calculate a size of a texture based on the stroke attribute information and set an alpha value that will be stored in the texture; a UV setter configured to set UV information based on the stroke attribute information; a renderer configured to render the stroke based on the vertex, the texture in which the alpha value is stored and the UV information; and an output configured to output the rendered stroke.
    Type: Application
    Filed: October 31, 2014
    Publication date: May 28, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul-sang CHANG, Seung-cheon BAEK, Se-mi PARK