Patents Assigned to Samsung SDI, Co., Ltd.
  • Composition, thin film including the composition, and organic light-emitting device including the composition or the thin film
    Patent number: 10243149
    Abstract: A composition including a first compound represented by Formula 1 and a second compound represented by Formula 2: Ar1-(L1)a1-Ar2??Formula 1 Ar11-(L11)a11-Ar12??Formula 2 wherein Ar1, Ar2, Ar11, Ar12, L1, L11, a1, and a11 are the same as described in the specification.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: March 26, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Hosuk Kang, Hyunjung Kim, Namheon Lee, Miyoung Chae, Sangmo Kim, Jongsoo Kim, Joonghyuk Kim, Myungsun Sim, Sooghang Ihn, Soonok Jeon, Yeonsook Chung, Yongsik Jung, Dalho Huh
  • Cathode active material, cathode and lithium battery including the same, and method of preparing the cathode active material
    Patent number: 10243210
    Abstract: A cathode active material includes a core capable of intercalating and deintercalating lithium ions; and a coating layer on at least a portion of the core, wherein the coating layer includes a composite including a metal oxide compound and a phosphate compound, the metal oxide compound is at least one compound selected from a lithium metal oxide and a metal oxide, the phosphate compound is at least one compound selected from a lithium phosphate, a lithium metal phosphate, and a metal phosphate, and a weight ratio of the metal oxide compound to the phosphate compound is from greater than 0 to about 1.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: March 26, 2019
    Assignees: SAMSUNG ELECTRONICS CO. LTD., SAMSUNG SDI CO., LTD.
    Inventors: Junho Park, Kwangjin Park, Dongwook Shin, Jaegu Yoon, Sukgi Hong
  • Polarizing plate and optical display including the same
    Patent number: 10241249
    Abstract: A polarizing plate includes a polarizer, a bonding layer on an upper surface of the polarizer, a protective film on an upper surface of the bonding layer and having a moisture transmittance of about 30 g/m2·24 hr or less at 40° C. and 90 % relative humidity (RH), and a barrier layer on a lower surface of the polarizer and formed of a barrier layer composition including an alicyclic epoxy resin having a glass transition temperature of about 200° C. or more. The polarizing plate may have a light transmittance variation rate of 3% or less, as calculated by Equation 1: Light transmittance variation rate=|T0?T500|/T0×100??(1), where T0 is an initial light transmittance and T500 is a light transmittance after 500 hours as set forth herein.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: March 26, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Do Heon Lee, Tae Hyun Lee, In Cheon Han
  • Additive for electrolyte and electrolyte and rechargeable lithium battery
    Patent number: 10236532
    Abstract: Disclosed are an additive for an electrolyte represented by the following Chemical Formula 1, and an electrolyte and a rechargeable lithium battery including the same: wherein R1 to R4 and n are the same as described in the detailed description.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: March 19, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Hyeok Lim, Ho-Seok Yang, Yun-Hee Kim, Young Sam Park, Hee-Yeon Hwang, Hyun-Woo Kim
  • Positive active material, positive electrode, and lithium battery containing the positive active material
    Patent number: 10236508
    Abstract: A positive active material includes an overlithiated lithium transition metal oxide including: a metal cation and a Li2MO3 phase, wherein M is at least one metal selected from a Period 4 transition metal having an average oxidation number of +4 and a Period 5 transition metal having an average oxidation number of +4, and wherein an amount of the Li2MO3 phase is less than or equal to about 20 mole percent, based on 1 mole of the overlithiated lithium transition metal oxide.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: March 19, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sungjin Ahn, Jinhwan Park, Jayhyok Song, Andrei Kapylou, Byongyong Yu
  • Rechargeable battery pack
    Patent number: 10236486
    Abstract: A rechargeable battery pack is disclosed. In one aspect, the rechargeable battery pack includes multiple a plurality of sets of unit cells adjacently placed to each other, wherein each unit cell includes a rechargeable battery and a plurality of rechargeable battery modules each configured to electrically connect a corresponding set of the unit cells to each other, wherein each rechargeable battery module includes a pair of end plates respectively placed on outermost opposing sides thereof. The rechargeable battery pack also includes a coupling member connecting the end plates of the rechargeable battery modules to each other. Each of the end plates includes a first flange having a first width and extending from a bent portion of a main body to be fastened to the coupling member and a second flange having a second width smaller than the first width and extending from a middle portion of the first flange.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: March 19, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myung-Chul Kim, Ji-Soon Lim, Heon-Hee Kim, Jong-Hyun Lee
  • Secondary battery
    Patent number: 10236495
    Abstract: A secondary battery is disclosed. In one aspect, the secondary battery includes a case accommodating an electrode assembly, a cap plate sealing an opening of the case, an electrode terminal electrically connected to the electrode assembly and disposed over the cap, and an insulating member provided between the cap plate and the electrode terminal and configured to insulate the electrode terminal from the cap plate. The battery also includes a connection tab disposed over the electrode terminal, and a safety device having a portion positioned under the connection tab and electrically connected to the electrode terminal via the connection tab. The safety device has at least one of electric conductivity and thermal conductivity greater than that of the connection tab, and at least a part of the safety device is seated on the insulating member.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: March 19, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Byung Kook Ahn, Jae Hyeok Choi
  • Separator for rechargeable lithium battery and rechargeable lithium battery including the same
    Patent number: 10236490
    Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same, the separator including a substrate, and a heat-resistant porous layer on at least one side of the substrate, the heat-resistant porous layer including a crosslinked binder and a non-crosslinked binder, wherein the crosslinked binder has a cross-linked structure of at least one crosslinkable compound, the at least one crosslinkable compound including a multi-functional urethane-based compound, and the crosslinked binder and the non-crosslinked binder are included in a weight ratio of about 3:7 to about 8:2.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: March 19, 2019
    Assignees: SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seungrim Yang, Byungmin Lee, Bokyung Jung, Myungkook Park, Eon-Mi Lee, Sungsoo Han, Hana Kim, Jungsue Jang, Minho Cho, Hyoungwoo Choi
  • Secondary battery
    Patent number: 10236494
    Abstract: A secondary battery may include a fuse formed in an electrode terminal. In exemplary embodiments, the secondary battery may include an electrode assembly including a first electrode plate, a second electrode plate and a separator, a current collector plate electrically connected to the electrode assembly, a case accommodating the electrode assembly, the current collector plate and an electrolyte, and an electrode terminal electrically connected to the current collector plate and protruded to an outside of the case, wherein the electrode terminal portion includes a protrusion part electrically connected to the current collector plate in a normal condition and selectively electrically disconnectable therefrom.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 19, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Minhyung Guen
  • Polarizing plate and method for manufacturing the same
    Patent number: 10234612
    Abstract: A polarizing plate includes a polarizer and a protective film formed on at least one surface of the polarizer. A transverse direction (TD) shrinkage stress ratio SRA of the polarizing plate ranges from about 1% to about 10%, as calculated using Equation 1: SRA (%)=(S1/S2)×100??(1) In Equation 1, S1 is the TD shrinkage stress of the protective film, and S2 is the TD shrinkage stress of the polarizer.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: March 19, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Jong Hoon Yeo
  • Battery module
    Patent number: 10236485
    Abstract: A battery module, including a plurality of battery units each including a plurality of bare cells, each bare cell having a first electrode tab and a second electrode tab; a holder at one side of each of the battery units, the holder including a plurality of penetrating holes into each of which the first electrode tab and the second electrode tab are penetrated; a plurality of electrode plates in the holder, the plurality of electrode plates electrically connecting the bare cells in each of the battery units; connection members coupled to ends of one of the plurality of electrode plates, the connection members electrically connecting the plurality of battery units to each other, and a pair of mounting protrusions protruding from one side of the holder and being spaced apart from each other, a portion of one of the plurality of electrode plates passing between the pair of mounting protrusions.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: March 19, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Sanghoon Bae
  • Rechargeable battery with connected cap plate and current collector
    Patent number: 10236481
    Abstract: A rechargeable battery includes an electrode assembly including first and second electrodes; a case in which the electrode assembly is accommodated; a cap plate combined to the case; an electrode terminal provided in the cap plate and including first and second electrode terminals; and a lead tab including first and second current collecting tabs for electrically connecting the electrode assembly to the electrode terminal, wherein the second current collecting tab includes an electrode connecting portion that is connected to the electrode assembly, and a terminal connecting portion that is bent from the electrode connecting portion and electrically coupled to the cap plate.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: March 19, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myung-Jae Jang, Chi-Young Lee, Sang-Won Byun
  • Battery
    Patent number: 10230091
    Abstract: A battery includes an electrode assembly; a positive electrode tab and a negative electrode tab both extending from the electrode assembly; an insulation spacer having openings through which the positive and negative electrode tabs extend, and a positive electrode lead and a negative electrode lead coupled to the respective positive and negative electrode tabs in the insulation spacer, wherein each opening has a first opening and a second opening, and wherein the first opening is at a lower region of the insulation spacer and the second opening is at a side region of the insulation spacer.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: March 12, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yoonjin Choi, Jangho Yoon
  • Adhesive composition, adhesive film prepared from the same and display member including the same
    Patent number: 10227513
    Abstract: An adhesive composition including a monomer mixture including a hydroxyl group-containing (meth)acrylate and a comonomer; and organic particles, the organic particles having an average particle diameter of about 10 nm to about 400 nm.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: March 12, 2019
    Assignees: SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung Rang Moon, Ji Ho Kim, Il Jin Kim, Byeong Do Kwak, Jee Hee Kim, Sung Hyun Mun, Seon Hee Shin, Gwang Hwan Lee, Woo Jin Lee, Eun Hwa Lee, Ik Hwan Cho, Jae Hyun Han, Chung Kun Cho
  • Rechargeable battery having insulating member
    Patent number: 10230075
    Abstract: A rechargeable battery having an insulating member is disclosed. In one aspect, the battery includes an electrode assembly including a first electrode, a second electrode, and a separator interposed between the first and second electrodes. The battery also includes a storage case housing the electrode assembly. An opening is formed in the storage case. The battery further includes a cap plate attached to the opening of the storage case, a terminal penetrating through the cap plate, and a connection plate electrically connecting the terminal to the second electrode. The battery also includes an insulating member interposed between the cap plate and the connection plate. The insulating member includes a base plate contacting a bottom surface of the cap plate and a supporting rib that protrudes from the base plate and contacts an inner surface of the storage case.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: March 12, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Kwang-Sik Seo
  • Connectable battery module
    Patent number: 10230135
    Abstract: A battery module comprising a plurality of chambers of a first type, a chamber of a second type, a plurality of chambers of a third type, at least one battery unit positioned in one of the plurality of chambers of the first type, and switching electronics positioned in the chamber of the second type. At least one of the plurality of chambers of the third type is positioned between one of the plurality of chambers of the first type and the chamber of the second type.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: March 12, 2019
    Assignees: Robert Bosch GmbH, Samsung SDI Co., Ltd.
    Inventors: Joachim Fetzer, Sarmimala Hore, Hans Partes, Stefan Butzmann
  • Separator, method of manufacturing the same and battery using the same
    Patent number: 10230090
    Abstract: A polyolefin-based porous separator, including a first polyolefin-based porous film on a first surface of a second polyolefin-based porous film, and a third polyolefin-based porous film on a second surface of the second polyolefin-based porous film, each of the first and third polyolefin-based porous films containing inorganic particles having an average particle size of 10 nm to 100 nm, a thickness ratio of the first polyolefin-based porous film, the second polyolefin-based porous film, and the third polyolefin-based porous film being 0.5 to 1.5:1 to 6:0.5 to 1.5, and thermal shrinkage rates of the separator in a machine direction and a transverse direction measured after standing at 120° C. for 1 hour each being 5% or less, and air permeability of the separator being 250 sec/100 cc or less.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: March 12, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang Ho Lee, Kee Wook Kim, Yun Gi Kim, Jung Seong Lee, Jung Sue Jang, Jun Ho Chung, Jae Hyun Cho, Dae Hyun Hong
  • Cathode, lithium battery including the same, and method of preparing the cathode
    Patent number: 10230113
    Abstract: A cathode and method of preparing the cathode are disclosed. The cathode includes a current collector, and a cathode active material layer disposed on the current collector, wherein the current collector includes a metal substrate, and a conductive protective layer disposed on at least a portion of the metal substrate, and the conductive protective layer includes one or more of a protrusion and a recess which react with base, a lithium battery including the cathode, and a method of preparing the cathode.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: March 12, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chae-Woong Cho, Myung-Duk Lim, Seung-Hun Han
  • Secondary battery and electrode terminal for the secondary battery
    Patent number: 10230092
    Abstract: Disclosed is a secondary battery that may include an electrode assembly; a case to accommodate the electrode assembly; a cap plate to seal the case; and at least one electrode terminal connected to the electrode assembly and passing through the cap plate, wherein the electrode terminal includes a terminal plate positioned on the cap plate and a terminal pin passing through the cap plate and the terminal plate, the terminal plate includes at least two rivet grooves having a predetermined depth from a top surface of the terminal plate, and the terminal pin includes at least two stepped portions protruding from a side surface of the terminal pin to correspond to the at least two rivet grooves.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: March 12, 2019
    Assignee: SAMSUNG SDI CO., LTD
    Inventors: Minseok Koo, Hyunyoung Lim, Hyunsoo Lee, Janghyun Song
  • Positive active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same
    Patent number: 10224543
    Abstract: Disclosed are a positive active material for a rechargeable lithium battery including a compound represented LixCo1?yTiyO2, wherein 1<x?1.1 and 0.02?y?0.05; a method of preparing the same; and a rechargeable lithium battery including the same.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: March 5, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Na-Ri Park, Young-Hun Lee, Soon-Rewl Lee, Ick-Kyu Choi, Yong-Chul Park