Patents by Inventor Na-Ri Park

Na-Ri 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).

  • Publication number: 20200259161
    Abstract: A method of preparing a positive electrode active material includes forming a tungsten-doped lithium transition metal oxide, and washing the lithium transition metal oxide, wherein, in the washing, a hydroxide-based compound is added to a washing liquid during the washing, a positive electrode including a positive electrode active material prepared according to the method, and a lithium secondary battery including the positive electrode.
    Type: Application
    Filed: October 22, 2018
    Publication date: August 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hyeon Hui Baek, Sung Ho Ban, Jun Ho Eom, Na Ri Park
  • Publication number: 20200227743
    Abstract: A method for preparing a positive electrode active material and a positive electrode active material prepared by the method are provided. The method includes preparing a lithium composite transition metal oxide represented by Formula 1, and washing the lithium composite transition metal oxide with a cleaning liquid containing cleaning water and a surfactant. The cleaning liquid contains cleaning water in an amount of no less than 50 parts by weight and less than 400 parts by weight based on 100 parts by weight of the lithium composite transition metal oxide.
    Type: Application
    Filed: February 26, 2019
    Publication date: July 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jun Ho Eom, Sung Ho Ban, Hyeon Hui Baek, Na Ri Park
  • Patent number: 10563038
    Abstract: A polycarbonate resin composition and a molded article manufactured using the same. The polycarbonate resin composition includes: (A) a polycarbonate resin including end groups, wherein the end groups include a hydroxyl group (—OH) in an amount of about 1% to about 20% based on the total weight (100 wt %) of all end groups; and (B) a metal compound comprising at least one of a metal oxide, a heavy metal complex oxide, and a copper salt. The polycarbonate resin composition and a molded article manufactured using the same can have excellent properties in terms of impact strength, flexural strength, and processability.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: February 18, 2020
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Yoo Jin Jung, Eun Taek Woo, Eric Arifin, Jung Ki Kim, Na Ri Park, Mi Rae Jang, Sang Hyun Hong
  • Patent number: 10437287
    Abstract: A flexible display device includes a flexible substrate body including a first surface and a second surface opposite to the first surface, a display layer on the first surface of the flexible substrate body, a substrate extension portion bent from a side of the flexible substrate body, the substrate extension portion extending along the second surface of the flexible substrate body and overlapping the flexible substrate body, and a sensor layer interposed between the flexible substrate body and the substrate extension portion to detect a movement input to the display layer.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: October 8, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Un Park, Na-Ri Park
  • Patent number: 10270095
    Abstract: A lithium battery including a cathode; an anode; and an electrolyte disposed between the cathode and the anode is disclosed. In the lithium battery, the cathode includes a nickel-based lithium transition metal oxide having primary particles having an average particle diameter of 2 ?m or more, and the anode includes graphite and a silicon-based compound.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: April 23, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soon-Rewl Lee, Ick-Kyu Choi, Young-Ki Kim, Young-Hun Lee, Na-Ri Park, Yong-Chul Park, Hong-Kyu Choi
  • 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
  • Patent number: 10152943
    Abstract: A display device, including a panel including an active area and a non-active area, the non-active area surrounding the active area; a recess in the non-active area of the panel; a driving circuit unit above the recess; a driving auxiliary part (DAP) in the recess on the panel; and a printed circuit board (PCB) on one side of the panel, the PCB being connected to the driving circuit unit and the DAP.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: December 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Na Ri Park, Sung Un Park, Ju Bong An
  • Patent number: 10131787
    Abstract: A polycarbonate resin composition and a molded article using the same is disclosed. The polycarbonate resin composition includes a polycarbonate resin (A); a rubber-modified aromatic vinyl copolymer (B); and an additive for laser directed structuring (C). The polycarbonate resin composition has a heat deflection temperature (HDT) of about 100° C. or more.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: November 20, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Mi Rae Jang, Jung Ki Kim, Eun Taek Woo, Na Ri Park, Yoo Jin Jung, Sang Hyun Hong
  • Patent number: 10126576
    Abstract: A flexible display apparatus includes a flexible substrate including a first surface, a second surface, a first side surface and a second side surface connected to the first side surface. A display layer is disposed on the first surface. A first substrate extension portion extends from the first side surface and is bent along the first side surface to overlap the flexible substrate. A second substrate extension portion extends from the second side surface and is bent along the second side surface to overlap the flexible substrate and the first substrate extension portion. First and second drivers provide driving signals to the display layer, wherein the first and second drivers are mounted on the first and second substrate extension portions, respectively. A first conductive connection member is disposed between the first and second substrate extension portions, electrically connecting the first extension portion with the second extension portion.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Na-Ri Park, Sung-Un Park
  • Patent number: 10125241
    Abstract: A polycarbonate resin composition and a molded article manufactured using the same. The polycarbonate resin composition includes: a polycarbonate resin; a metal compound; and a glass transition temperature regulator, wherein the glass transition temperature regulator contains phosphorus. The polycarbonate resin composition and a molded article manufactured using the same can have excellent properties in terms of impact resistance, flowability, and plating adhesive strength.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 13, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Eun Taek Woo, Eric Arifin, Jung Ki Kim, Na Ri Park, Mi Rae Jang, Yoo Jin Jung, Sang Hyun Hong
  • Patent number: 10026961
    Abstract: Disclosed are a positive active material for a rechargeable lithium battery, a method of preparing same and rechargeable lithium battery including the same, wherein the positive active material includes lithium cobalt-based compound having pH of greater than about 7 and less than about 10.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: July 17, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Na-Ri Park, Young-Hun Lee, Soon-Rewl Lee, Ick-Kyu Choi, Yong-Chul Park
  • Publication number: 20180171137
    Abstract: A polycarbonate resin composition, according to the present invention, comprises: a polycarbonate resin; a polyester resin; and a metal compound, wherein the content ratio of the polycarbonate resin and polyester resin is from approximately 4:1 to approximately 9:1. The polycarbonate resin composition and a molded product using same have excellent physical properties, such as impact resistance, fluidity and the like, as well as excellent exterior and plating adhesion.
    Type: Application
    Filed: April 28, 2016
    Publication date: June 21, 2018
    Inventors: Eun Taek WOO, Yoo Jin JUNG, Eric ARIFIN, Jung Ki KIM, Na Ri PARK, Mi Rae JANG, Sang Hyun HONG
  • Patent number: 9991515
    Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte, wherein the positive active material includes a compound represented by the following Chemical Formula 1, the negative active material includes a silicon-based compound, the compound represented by the above Chemical Formula 1 is included in an amount of about 3 wt % to about 30 wt % based on 100 wt % of the positive active material, and the silicon-based compound is included in an amount of about 3 wt % to about 10 wt % based on 100 wt % of the negative active material. Lix1CO1-yMyO2??Chemical Formula 1 In the above Chemical Formula 1, 1.05<x1<1.10, 0.03<y<0.05 and, M includes one selected from B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu, Al, and a combination thereof.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: June 5, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Ick-Kyu Choi, Young-Hun Lee, Na-Ri Park, Soon-Rewl Lee, Yong-Chul Park, Hong-Kyu Choi
  • Patent number: 9890281
    Abstract: A thermoplastic resin composition for laser direct structuring and a molded article including the same. The thermoplastic resin composition includes: (A) a thermoplastic resin; (B) a laser direct structuring additive; and (C) an olefin copolymer.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: February 13, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Yoo Jin Jung, Eun Taek Woo, Jung Ki Kim, Na Ri Park, Sang Hyun Hong
  • Patent number: 9893348
    Abstract: In an aspect, a positive active material for a rechargeable lithium battery including: a compound that reversibly intercalates and deintercalates lithium; and a coating layer coating the compound and including a metal nitrate is disclosed. Since the positive active material is structurally stable during the charge and discharge, the obtained battery may have excellent battery capacity and cycle-life characteristics and also have high power.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: February 13, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Young-Hun Lee, Na-Leum Yoo, Na-Ri Park, Soon-Rewl Lee, Hong-Kyu Choi, Yong-Chul Park, Ick-Kyu Choi
  • Publication number: 20170192461
    Abstract: A flexible display device includes a flexible substrate body including a first surface and a second surface opposite to the first surface, a display layer on the first surface of the flexible substrate body, a substrate extension portion bent from a side of the flexible substrate body, the substrate extension portion extending along the second surface of the flexible substrate body and overlapping the flexible substrate body, and a sensor layer interposed between the flexible substrate body and the substrate extension portion to detect a movement input to the display layer.
    Type: Application
    Filed: November 15, 2016
    Publication date: July 6, 2017
    Inventors: Sung-Un PARK, Na-Ri PARK
  • Patent number: 9653726
    Abstract: A rechargeable lithium battery including a negative electrode including a silicon-based negative active material; a positive electrode including a positive active material including a sacrificial positive active material selected from lithium nickel oxides, lithium molybdenum oxides, and combinations thereof; and a non-aqueous electrolyte, is disclosed.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: May 16, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soon-Rewl Lee, Ick-Kyu Choi, Young-Ki Kim, Young-Hun Lee, Na-Leum Yoo, Na-Ri Park, Yong-Chul Park
  • Publication number: 20170131582
    Abstract: A flexible display apparatus includes a flexible substrate including a first surface, a second surface, a first side surface and a second side surface connected to the first side surface. A display layer is disposed on the first surface. A first substrate extension portion extends from the first side surface and is bent along the first side surface to overlap the flexible substrate. A second substrate extension portion extends from the second side surface and is bent along the second side surface to overlap the flexible substrate and the first substrate extension portion. First and second drivers provide driving signals to the display layer, wherein the first and second drivers are mounted on the first and second substrate extension portions, respectively. A first conductive connection member is disposed between the first and second substrate extension portions, electrically connecting the first extension portion with the second extension portion.
    Type: Application
    Filed: May 12, 2016
    Publication date: May 11, 2017
    Inventors: NA-RI PARK, SUNG-UN PARK
  • Patent number: 9573820
    Abstract: A rechargeable lithium battery includes a non-aqueous electrolyte, a negative electrode including a silicon-based negative active material, and a positive active material including a compound represented by a Chemical Formula 1, Li1+xCo1?yMyO2, wherein, ?0.2?x?0.2, 0<y?0.2, and M includes Ni and one selected from Mn, B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu, Al, and a combination thereof.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: February 21, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Young-Hun Lee, Na-Leum Yoo, Na-Ri Park, Soon-Rewl Lee, Ick-Kyu Choi, Yong-Chul Park
  • Publication number: 20170038859
    Abstract: A watch may include a display, a bezel, and a controller. The bezel may be positioned at a periphery of the display and may include a bezel touch sensor set. The bezel touch sensor set may receive a first touch without moving with respect to any other part of the bezel and may generate first touch information in response to the first touch. The controller may be electrically connected to each of the bezel touch sensor set and the display and may use the first touch information to generate a first control signal for controlling the display.
    Type: Application
    Filed: April 13, 2016
    Publication date: February 9, 2017
    Inventors: Na Ri PARK, Ju-Bong AN, Hyun-Uk OH, Yeon-Shil JUNG