Patents by Inventor Ku Il Park

Ku Il 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: 10737472
    Abstract: Provided is an acrylic multilayered film with high weather resistance, comprising an upper film and a lower film, wherein the upper film comprises a polyvinylidene fluoride and a first acrylic copolymer containing a first functional group, and the lower film comprises an acrylic thermoplastic resin and a second acrylic copolymer containing a second functional group.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: August 11, 2020
    Assignee: LG HAUSYS, LTD.
    Inventors: Hwan Seok Park, Chang Hak Shin, Seong Hoon Yue, Jong Hun Lee, Ku Il Park, Deok Ryul Hwang, Yea Ri Song
  • Patent number: 10226913
    Abstract: Provided is a decorative sheet which comprises a top surface layer, a rear surface layer and at least one intermediate layer between the top surface layer and the rear surface layer, wherein: the top surface layer and the rear surface layer each independently are formed from a first composite resin composition comprising a glycol-modified polyethylene terephthalate resin and an ester-based resin; the intermediate layer(s) is (are) formed from a second composite resin composition comprising a glycol-modified polyethylene terephthalate resin, a polyethylene terephthalate resin and an ester-based resin; the glass-transition temperature of the ester-based resin is lower than the glass-transition temperature of the glycol-modified polyethylene terephthalate resin; the glass-transition temperature of the ester-based resin is lower than the glass-transition temperature of the polyethylene terephthalate resin; and the content of the polyethylene terephthalate resin in the second composite resin composition is between
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: March 12, 2019
    Assignee: LG HAUSYS, LTD.
    Inventors: Chang-Hak Shin, Hwan-Seok Park, Jong-Hun Lee, Seong-Hoon Yue, Dong-Joo Kwon, Ku-Il Park, Deok-Ryul Hwang, Yea-Ri Song
  • Patent number: 9919583
    Abstract: Described herein is an automotive sheet heater. The automotive sheet heater includes a stacked structure of a far-infrared radiating layer, a metal layer, and a metal wire-containing carbon nanotube heating layer. The carbon nanotube heating layer includes 1 wt % to 50 wt % of metal wires.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: March 20, 2018
    Assignees: LG HAUSYS, LTD., LG CHEM, LTD.
    Inventors: Yea Ri Song, Seong Hoon Yue, Jong Hun Lee, Chang Hak Shin, Ku Il Park, Deok Ryul Hwang, Hwan Seok Park
  • Patent number: 9857927
    Abstract: A transparent resin laminate includes: a high-hardness hard coating layer having a pencil hardness of 6H to 8H; a transparent (meth)acrylic resin layer; and an impact resistant hard coating layer including a urethane bond-containing acrylic resin.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: January 2, 2018
    Assignee: LG HAUSYS, LTD.
    Inventors: Deok Ryul Hwang, Ku Il Park, Seong Hoon Yue, Jong Hun Lee, Min Hee Lee, Chang Hak Shin, Hwan Seok Park, Yea Ri Song
  • Patent number: 9742046
    Abstract: Provided is a heating sheet for a battery module, including: a surface heating element; an insulating layer on one surface of the surface heating element; and an insulating adhesive layer on the other surface of the surface heating element, in which the area of the heating portion of the surface heating element is 40% to 90% of the entire area of the battery cell to which the surface heating element is attached. Also provided is a battery module including the heating sheet for a battery module and the battery cell, in which the area of the heated portion of the battery cell is 40% to 90% of the entire area of the battery cell.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: August 22, 2017
    Assignees: LG HAUSYS, LTD., LG CHEM, LTD.
    Inventors: Seong Hoon Yue, Jong Hun Lee, Yea Ri Song, Chang Hak Shin, Ku Il Park, Deok Ryul Hwang, Hwan Seok Park
  • Patent number: 9541689
    Abstract: Disclosed is a multilayer optical film having a structure in which a first resin layer and a second resin layer are alternately laminated, wherein the first resin layer comprises a crystalline naphthalene dicarboxylic-acid polyester and the second resin layer comprises polyethylene terephthalate glycol (PETG). Also disclosed is a method for manufacturing a multilayer optical film comprising (a) melting extrusion a first resin comprising a crystalline naphthalene dicarboxylic-acid polyester and a second resin comprising PETG respectively and then alternately laminating the first resin and the second resin; and (b) elongating the laminated sheet in step (a) and then thermosetting them.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: January 10, 2017
    Assignee: LG HAUSYS, LTD.
    Inventors: Eung Kee Lee, Min Hee Lee, Chang Hak Shin, Ku Il Park
  • Publication number: 20160176167
    Abstract: Provided is a decorative sheet which comprises a top surface layer, a rear surface layer and at least one intermediate layer between the top surface layer and the rear surface layer, wherein: the top surface layer and the rear surface layer each independently are formed from a first composite resin composition comprising a glycol-modified polyethylene terephthalate resin and an ester-based resin; the intermediate layer(s) is (are) formed from a second composite resin composition comprising a glycol-modified polyethylene terephthalate resin, a polyethylene terephthalate resin and an ester-based resin; the glass-transition temperature of the ester-based resin is lower than the glass-transition temperature of the glycol-modified polyethylene terephthalate resin; the glass-transition temperature of the ester-based resin is lower than the glass-transition temperature of the polyethylene terephthalate resin; and the content of the polyethylene terephthalate resin in the second composite resin composition is between
    Type: Application
    Filed: July 23, 2014
    Publication date: June 23, 2016
    Applicant: LG Hausys, Ltd.
    Inventors: Chang-Hak SHIN, Hwan-Seok PARK, Jong-Hun LEE, Seong-Hoon YUE, Dong-Joo KWON, Ku-Il PARK, Deok-Ryul HWANG, Yea-Ri SONG
  • Publication number: 20160001632
    Abstract: Disclosed is an automotive sheet heater including a stacked structure of a far-infrared radiating layer, a metal layer, and a metal wire-containing carbon nanotube heating layer.
    Type: Application
    Filed: February 24, 2014
    Publication date: January 7, 2016
    Inventors: Yea Ri SONG, Seong Hoon YUE, Jong Hun LEE, Chang Hak SHIN, Ku Il PARK, Deok Ryul HWANG, Hwan Seok PARK
  • Patent number: 9206294
    Abstract: Disclosed are an acrylic resin film maintaining a gloss and having good transparency, processing properties, and impact resistance after thermal molding, and a method for manufacturing same. The acrylic resin film according to the present invention includes 10 to 70 parts by weight of an acrylic resin having high fluidity, 10 to 70 parts by weight of an acrylic resin having high hardness, and 5 to 20 parts by weight of an acrylic impact reinforcing material based on 100 parts by weight of the total weight.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: December 8, 2015
    Assignee: LG HAUSYS, LTD.
    Inventors: Chang Hak Shin, Eung Kee Lee, Ku Il Park, Deok Ryul Hwang, Min Hee Lee
  • Publication number: 20150346872
    Abstract: A transparent resin laminate includes: a high-hardness hard coating layer having a pencil hardness of 6H to 8H; a transparent (meth)acrylic resin layer; and an impact resistant hard coating layer including a urethane bond-containing acrylic resin.
    Type: Application
    Filed: November 12, 2013
    Publication date: December 3, 2015
    Inventors: Deok Ryul HWANG, Ku Il PARK, Seong Hoon YUE, Jong Hun LEE, Min Hee LEE, Chang Hak SHIN, Hwan Seok PARK, Yea Ri SONG
  • Publication number: 20150325892
    Abstract: Provided is a heating sheet for a battery module, including: a surface heating element; an insulating layer on one surface of the surface heating element; and an insulating adhesive layer on the other surface of the surface heating element, in which the area of the heating portion of the surface heating element is 40% to 90% of the entire area of the battery cell to which the surface heating element is attached. Also provided is a battery module including the heating sheet for a battery module and the battery cell, in which the area of the heated portion of the battery cell is 40% to 90% of the entire area of the battery cell.
    Type: Application
    Filed: August 26, 2013
    Publication date: November 12, 2015
    Inventors: Seong Hoon YUE, Jong Hun LEE, Yea Ri SONG, Chang Hak SHIN, Ku Il PARK, Deok Ryul HWANG, Hwan Seok PARK
  • Publication number: 20150210046
    Abstract: Provided is an acrylic multilayered film with high weather resistance, comprising an upper film and a lower film, wherein the upper film comprises a polyvinylidene fluoride and a first acrylic copolymer containing a first functional group, and the lower film comprises an acrylic thermoplastic resin and a second acrylic copolymer containing a second functional group.
    Type: Application
    Filed: September 8, 2013
    Publication date: July 30, 2015
    Applicant: LG Hausys, Ltd.
    Inventors: Hwan Seok Park, Chang Hak Shin, Seong Hoon Yue, Jong Hun Lee, Ku Il Park, Deok Ryul Hwang, Yea Ri Song
  • Publication number: 20150056880
    Abstract: Disclosed is an eco-friendly and high-strength resin composite material which has high-strength and light weight properties. The eco-friendly and high-strength resin composite material according to the present invention includes: a first base material; a reinforcing material layer formed on the first base material and having a fibrous reinforcement; and a second base material formed on the reinforcing layer. The first base material and/or the second base material are made with a biodegradable resin, such as the PLA and PHA resins.
    Type: Application
    Filed: December 28, 2012
    Publication date: February 26, 2015
    Inventors: Eung Kee Lee, Min Hee Lee, Chang Hak Shin, Ku Il Park, Jung Seop Lim
  • Publication number: 20150002935
    Abstract: The present invention provides a multilayer optical film having a structure in which a first resin layer and a second resin layer are alternately laminated, wherein the first resin layer comprises a crystalline naphthalene dicarboxylic-acid polyester and the second resin layer comprises polyethylene terephthalate glycol (PETG). Also, the present invention provides a method for manufacturing a multilayer optical film comprising (a) melting extrusion a first resin comprising a crystalline naphthalene dicarboxylic-acid polyester and a second resin comprising PETG respectively and then alternately laminating the first resin and the second resin; and (b) elongating the laminated sheet in step (a) and then thermosetting them.
    Type: Application
    Filed: December 27, 2012
    Publication date: January 1, 2015
    Inventors: Eung Kee Lee, Min Hee Lee, Chang Hak Shin, Ku Il Park
  • Publication number: 20140335337
    Abstract: A high strength transparent plastic sheet in accordance with the present invention comprises: a transparent substrate layer; a first and a second adhesive layers respectively formed on both sides of the transparent substrate layer; a first and a second heat-resistant resin layer respectively formed on an outer surface of the first and second coating layer; and a first and a second hard coating layer respectively formed on an outer surface of the first and second resin layer.
    Type: Application
    Filed: December 6, 2012
    Publication date: November 13, 2014
    Inventors: Eung Kee Lee, Min Hee Lee, Chang Hak Shin, Ku Il Park
  • Publication number: 20140329974
    Abstract: The present invention relates to a bioplastic composition, and more particularly to a bioplastic composition comprising a blended resin in which a polylactic acid resin is mixed with a polyhydroxy alkanoate resin.
    Type: Application
    Filed: December 18, 2012
    Publication date: November 6, 2014
    Applicant: LG Hausys, Ltd.
    Inventors: Jung Seop Lim, Eung Kee Lee, Min Hee Lee, Chang Hak Shin, Ku Il Park
  • Publication number: 20140309374
    Abstract: Disclosed are an acrylic resin film maintaining a gloss and having good transparency, processing properties, and impact resistance after thermal molding, and a method for manufacturing same. The acrylic resin film according to the present invention includes 10 to 70 parts by weight of an acrylic resin having high fluidity, 10 to 70 parts by weight of an acrylic resin having high hardness, and 5 to 20 parts by weight of an acrylic impact reinforcing material based on 100 parts by weight of the total weight.
    Type: Application
    Filed: November 20, 2012
    Publication date: October 16, 2014
    Inventors: Chang Hak Shin, Eung Kee Lee, Ku Il Park, Deok Ryul Hwang, Min Hee Lee