Patents Assigned to Posco
  • Publication number: 20150029733
    Abstract: A optical semiconductor lighting apparatus includes: a board; a drive IC which is disposed in a central portion of the board; a plurality of semiconductor optical devices which is disposed adjacent to and around the drive IC in the board in a grid shape in one or more rows and columns; a non-insulating heat sink in which the board is disposed; an insulating housing which accommodates the heat sink and protects the drive IC and the plurality of semiconductor optical devices from withstand voltages; and a first optical member which faces the plurality of semiconductor optical devices, transmits or reflects light irradiated from the semiconductor optical devices, and forms a vertical vent hole corresponding to the drive IC; and a second optical member which is connected to an upper side of the housing and forms light distribution by refracting light transmitted or reflected from the first optical member.
    Type: Application
    Filed: November 29, 2013
    Publication date: January 29, 2015
    Applicant: POSCO LED COMPANY LTD.
    Inventors: Min Uk YOO, Jin Jong KIM, Jung Hwa KIM
  • Publication number: 20150021272
    Abstract: The present inventions relates to an apparatus for purifying wastewater and a method thereof, which comprises: a stirring part to make bubbles impregnated into floc through high speed stirring by adding floc forming materials to influent and stirring them; an air supply part to supply air to the stirring part to make more bubbles impregnated; a pumping part to conduct pressurized conveying of the floc included treatment water; a cyclone part to separate high density floc to downstream and treatment water with low density floc to upstream from the pressurized treatment water; and a flotation part to separate floc from the treatment water with floc supplied from the cyclone part. Therefore, the present invention have an effect that it is possible to improve purification speed of wastewater and obtain good quality of purified water.
    Type: Application
    Filed: August 24, 2012
    Publication date: January 22, 2015
    Applicants: POSCO ENGINEERING & CONSTRUCTION CO., LTD., BLUEGREENLINK CO., LTD.
    Inventors: Joo Hyung Ko, Kwan Yeop Kim, Yun Jung Kim, Hyun Bae Kim, Hyoung Gun Kim, Hae Wook Nam, Hee Chul Yoon, Yu Seong Won, Jae Woong Park, Young Hwa Choi
  • Publication number: 20150017525
    Abstract: Disclosed is a method for preparing an electrode active material for a rechargeable lithium battery, including: performing first mixing to mix a carbon-based active material with a low crystalline carbon material; performing second mixing to mix the mixture of the carbon-based active material and the low crystalline carbon material with a ceramic; and performing a heat treatment, an electrode for a rechargeable lithium battery including the electrode active material for the rechargeable lithium battery prepared by the method, and a rechargeable lithium battery.
    Type: Application
    Filed: October 29, 2013
    Publication date: January 15, 2015
    Applicant: POSCO CHEMTECH CO., LTD.
    Inventors: Mi Ryeong LEE, Heon Young Lee, Kyoung Muk Lee
  • Publication number: 20150017527
    Abstract: The present invention relates to a negative electrode active material for a rechargeable lithium battery, a method for preparing the same, and a rechargeable lithium battery using the same, and provides a negative electrode active material for a rechargeable lithium battery of a carbon-metal complex or a mixture type, containing a carbon-based active material including a first ceramic coating layer, a metal-based active material or a metal-base active material including a first ceramic coating layer, and a carbon-based active material.
    Type: Application
    Filed: November 15, 2013
    Publication date: January 15, 2015
    Applicant: POSCO CHEMTECH CO., LTD.
    Inventors: Kyoung Muk LEE, Heon Young LEE, Mi Ryeong LEE, Eun Byeol HYEONG
  • Publication number: 20150017524
    Abstract: Disclosed is an electrode active material for a rechargeable lithium battery, including: a core part including a carbon-based active material; and a coating layer disposed on a surface of the core portion to include a ceramic, wherein the surface of the core part is subjected to coating with a low crystalline carbon material, a method for preparing the same, an electrode including the same, and a rechargeable lithium battery including the electrode.
    Type: Application
    Filed: October 29, 2013
    Publication date: January 15, 2015
    Applicant: POSCO CHEMTECH CO., LTD.
    Inventors: Mi Ryeong Lee, Heon Young Lee, Kyoung Muk Lee, Hyun Ki Choi
  • Patent number: 8927512
    Abstract: Provided are RNA aptamer specifically binding to cancer metastasis-inducing domain of CEA (Carcinoembryonic antigen), a composition for prevention and/or inhibition and/or diagnosis of cancer metastasis containing the same as an active ingredient, and a method of prevention and/or inhibition and/or diagnosis of cancer metastasis using the same.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: January 6, 2015
    Assignees: Postech Academy-Industry Foundation, Posco
    Inventors: Seong-Wook Lee, Young-Ju Lee, Jin-Sook Jeong
  • Patent number: 8926756
    Abstract: A passing apparatus includes: upper and lower sealing rolls dealing with variations in a thickness of a proceeding strip, the upper and lower sealing rolls allowing the strip to pass; and a strip sealing unit dealing with variations in a width of the proceeding strip, the strip sealing unit cooperating with the upper and lower sealing rolls to seal the proceeding strip passing through a chamber in a state in which the strip sealing unit surrounds the proceeding strip.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: January 6, 2015
    Assignee: Posco
    Inventors: Dong-Yoeul Lee, Mun-Jong Eom, Kyoung-Bo Kim, Yong-Hwa Jung, Woo-Sung Jung, Young-Jin Kwak, Tae-Yeob Kim, Kyung-Hoon Nam, Sang-Cheol Lee, Sang-Hoon Park, Yang-Woo Nam
  • Patent number: 8920004
    Abstract: An optical semiconductor illuminating apparatus capable of being simply installed and built, easily detecting a fault generation point, being simply repaired and replaced, and being compactly implemented. A bracket assembly having a power supply embedded therein is mounted at an upper side of a heat sink including a fixed unit, the power supply is seated on the heat sink including the fixed unit, a plurality of heat radiation fins protrude from an inner surface of the heat sink, and an upper surface of the power supply is disposed at a position higher than or equal to that of an edge of an upper end portion of the heat sink.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: December 30, 2014
    Assignee: Posco LED Company Ltd.
    Inventors: Tae Hoon Song, Ji Wan Kim
  • Patent number: 8921501
    Abstract: An ultraviolet (UV) curable resin composition is provided which includes 25 to 45 parts by weight of a modified epoxy acrylate oligomer; and 10 to 25 parts by weight of a urethane acrylate oligomer. Further provided is a metal sheet that is transparent and corrosion resistant, impact resistant, scratch resistant, adhesive, anti-corrosive, and bendable (workable) by forming a coating film on the surface of a metal material such as a steel material, specifically a steel sheet, using the UV curable resin composition mentioned above.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: December 30, 2014
    Assignees: Noroo Holdings Co., Ltd., Posco
    Inventors: Jin Tae Kim, Sang Gon Kim, Jae Ryung Lee, Jung Su Kim, Moon Jae Kwon, Chang Se Byeon
  • Patent number: 8915618
    Abstract: A first heat sinking path formed in a forming direction of a heat sink unit disposed radially in a housing where a light emitting module is mounted. A second heat sinking path is formed along an edge of the light emitting module. By providing a light engine concept in which a light emitting module, an optical member, and a heat sink unit are included and a bottom surface is gradually widened from one side to the other side, an optical semiconductor lighting apparatus can reduce a total weight of a product, can further improve heat dissipation efficiency by inducing natural convection, is simple in the product assembly and installation, and is easy in maintenance, and can provide products with high reliability by increasing the arrangement efficiency of semiconductor optical devices per unit area.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: December 23, 2014
    Assignee: Posco LED Company Ltd.
    Inventors: Dong Soo Kim, Seok Jin Kang, Kyoo Seok Kim, Yoon Gil Jang, Dong Hee Kim, Seong Bok Yoon, Jung Hwa Kim
  • Publication number: 20140356707
    Abstract: The present invention relates to a negative electrode active material for a rechargeable lithium battery, a method for preparing the same, and a rechargeable lithium battery including the same. This invention provides a negative electrode active material for a rechargeable lithium battery, comprising a core part including a spherical graphite, and a coating layer containing a low crystalline carbon material and coated on a surface of the core part, wherein a pore volume of less than or equal to 2000 nm is 0.08 ml/g or less, and a tap density is 1.1 g/cm3 or more.
    Type: Application
    Filed: May 13, 2014
    Publication date: December 4, 2014
    Applicant: POSCO CHEMTECH CO., LTD.
    Inventors: Se Mann Kwon, Ji Kwon Jung, Yong Tae Park
  • Publication number: 20140353709
    Abstract: Embodiments of the invention provide a gallium nitride-based light emitting diode including a transparent electrode, which includes a metal layer and a metal oxide layer. The light emitting diode includes a substrate, an n-type gallium nitride-based semiconductor layer disposed on the substrate, a p-type gallium nitride-based semiconductor layer disposed on the n-type gallium nitride-based semiconductor layer, an active layer interposed between the n-type gallium nitride-based semiconductor layer and the p-type gallium nitride-based semiconductor layer, and a transparent electrode disposed on the p-type gallium nitride-based semiconductor layer. Here, the transparent electrode has a multilayer structure including a first metal layer and a metal oxide layer sequentially stacked one above another, and impedance of the metal oxide layer matches impedance of an external environment at an interface between the metal oxide layer and the external environment.
    Type: Application
    Filed: May 28, 2014
    Publication date: December 4, 2014
    Applicants: POSCO LED Co., Ltd., POSTECH Academy-Industry Foundation
    Inventors: Jong Lam LEE, Sung Jun Kim, Yang Hee Song
  • Publication number: 20140349133
    Abstract: Provided is a hot-dip galvanized steel sheet having excellent adhesiveness at ultra-low temperatures as well as fine spangles, and a method of manufacturing the same. According to the present invention, a hot-dip galvanized steel sheet having excellent adhesiveness at ultra-low temperatures includes a base steel sheet, a composite layer formed on the base steel sheet and including transition metal, an inhibition layer formed on the composite layer and including a iron-aluminum (Fe—Al) based intermetallic compound, and a zinc (Zn)-plated layer formed on the inhibition layer, in which an average diameter of spangles in the zinc-plated layer is 150 ?m or less, and a method of manufacturing the hot-dip galvanized steel sheet is provided.
    Type: Application
    Filed: December 20, 2012
    Publication date: November 27, 2014
    Applicant: POSCO
    Inventors: Ju-Youn Lee, Myung-Soo Kim, Jong-Sang Kim
  • Patent number: 8893866
    Abstract: There is provided a collision energy absorbing apparatus, in particular, a collision energy absorbing apparatus for use in a vehicle, having a plurality of absorption phases, including: a first deformation part undergoing a first plastic deformation due to expansion so as to absorb collision energy generated in the event of a vehicle accident; a second transformation part disposed in line with an end of the first deformation part, the second transformation part undergoing a second plastic deformation after the first plastic deformation of the first deformation part so as to sequentially absorb collision energy in the event of a vehicle accident; and an expansion inducing part combined with an end of the second deformation part and disposed between the first deformation part and the second deformation part to guide the first plastic deformation of the first deformation part.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: November 25, 2014
    Assignee: POSCO
    Inventor: Ji-Ho Lim
  • Patent number: 8894247
    Abstract: An optical semiconductor lighting apparatus including a housing with a first end portion and a second end portion that is open, a light source module disposed in the housing, a fan disposed adjacent to the light source module in the housing, the fan rotating in a first direction to blow air toward the light source module, and a reflector disposed adjacent to the second end portion of the housing, the reflector enhancing an illumination scope. A moving path, in which at least a portion of the air drawn into the housing by the fan externally flows through the light source module, is formed in the housing.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: November 25, 2014
    Assignee: Posco LED Co.
    Inventors: Dong-Soo Kim, Seok-Jin Kang, Min-A Jeong
  • Publication number: 20140322633
    Abstract: The present invention relates to a solid oxide fuel cell which can improve the overall performance of the cell and obtain durability and reliability, and the invention provides a solid oxide fuel cell comprising a reaction preventing layer and a method for manufacturing the same, wherein an anode, an electrolyte, and a cathode are comprised, and a material which is formed between the electrolyte and the anode comprises 35-90 mol % of gadolinia-doped ceria (GDC) and 10-65 mol % metal oxide.
    Type: Application
    Filed: December 9, 2011
    Publication date: October 30, 2014
    Applicant: POSCO
    Inventors: Byeong-Geun Seong, Hong-Youl Bae
  • Patent number: 8871538
    Abstract: A light-emitting diode (LED) lighting apparatus is provided. The LED lighting apparatus includes at least one LED, and a wavelength conversion member spaced apart from the LED and configured to convert a wavelength of light emitted from the LED. The wavelength conversion member includes a light-transmitting member, and a transfer molded wavelength conversion layer disposed on at least one surface of the light-transmitting member. The transfer molded wavelength conversion layer includes a resin and a phosphor.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: October 28, 2014
    Assignee: Posco LED Company Ltd.
    Inventors: Jung Hwa Kim, Sun Hwa Lee, Jae Young Kim, Won Kuk Son
  • Publication number: 20140315319
    Abstract: The present patent application describes a cantilever for atomic force microscopy (AFM), which includes a cantilever body having a fixed end and a free end, the free end having a surface region being chemically modified by a dendron in which a plurality of termini of the branched region of the dendron are bound to the surface, and a terminus of the linear region of the dendron is functionalized.
    Type: Application
    Filed: March 17, 2014
    Publication date: October 23, 2014
    Applicants: POSCO, POSTECH FOUNDATION
    Inventors: Joon Won PARK, Yu Jin JUNG, Bong Jin HONG, Saul TENDLER, Stephanie ALLEN
  • Patent number: 8864922
    Abstract: A method for manufacturing a precipitation hardening cold-rolled steel sheet with an excellent yield ratio. The method may include the steps of hot rolling a steel slab with finish rolling at a temperature of Ar3 transformation point or more to form a hot-rolled steel sheet, coiling the hot-rolled steel sheet at a temperature of 550-600 ° C., cold rolling the hot-rolled steel sheet at a reduction ratio of 50% or more; and recovery-recrystallization annealing the cold-rolled steel sheet at a line speed of 150-200 mpm and at a temperature of 780-820° C. in a continuous annealing furnace. The recovery-recrystallization annealing may provide a recrystallization ratio of 65-75%. The steel slab includes, by weight %: C: 0.07-0.10%, Mn: 1.41-1.70%, P: 0.05-0.07%, S: 0.005% or less, N: 0.005% or less, acid-soluble Al: 0.10-0.15%, Nb: 0.06-0.09%, B: 0.0008-0.0012%, Sb: 0.02-0.06%, and the balance comprising Fe and other unavoidable impurities.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: October 21, 2014
    Assignee: POSCO
    Inventor: Sang-Ho Han
  • Patent number: D718892
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: December 2, 2014
    Assignee: POSCO LED Company Ltd.
    Inventors: Dong Soo Kim, Seok Jin Kang, Kyoo Seok Kim, Yoon Gill Jang, Dong Hee Kim