Patents by Inventor Jang-soon Kim

Jang-soon Kim 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).

  • ADHESIVE COMPOSITION FOR OPTICAL USE
    Publication number: 20180258331
    Abstract: Provided is an adhesive composition for optical use, the adhesive composition including: a monofunctional urethane (meth)acrylate-based oligomer; and a polyfunctional urethane (meth)acrylate-based oligomer, in which a weight ratio of the monofunctional urethane (meth)acrylate-based oligomer and the polyfunctional urethane (meth)acrylate-based oligomer is 1:2 to 1:4.
    Type: Application
    Filed: April 11, 2017
    Publication date: September 13, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jin Young Huh, Kyung Joon Yoon, Bo Ra Yeon, Hyun Mee Kim, Jang Soon Kim
  • Cover window for touch screen panel formed with printing layer and method for forming printing layer on cover window for touch screen panel
    Patent number: 10048784
    Abstract: The present invention provides a cover window for a touch screen panel, wherein a printing layer is formed at an edge of the transfer substrate film, and an area where the printing layer is not formed is removed from the transfer film, which forms a view area in the cover window substrate.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: August 14, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Chan-Oh Yoon, Jang-Soon Kim, Sle Lee, Doo-Ho Yang
  • Photo-curable resin composition for adhesive film and adhesive film
    Patent number: 10040980
    Abstract: Disclosed is a photo-curable resin composition for an adhesive film comprising a (meth)acrylic acid ester-based photo-curable resin which is end-capped and cross-linked with a multifunctional molecular weight regulator.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: August 7, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Ji-Hye Kim, Hong-June Choi, Byung-Ho Ra, Jang-Soon Kim
  • SEMI-HARDENED PRESSURE-SENSITIVE ADHESIVE FILM
    Publication number: 20180208798
    Abstract: Disclosed is a semi-hardened pressure sensitive adhesive film to be used in the semi-hardened state and having excellent printing step absorption properties. The adhesive film according to the present invention contains a radial polymer composition and a cationic polymer composition, and the radial polymer composition is primarily cross-linked to maintain the semi-hardened state. When applied onto a substrate through a printing step, the present invention has excellent step absorption properties and adhesion properties and excellent durability even under high-temperature and high-humidity conditions.
    Type: Application
    Filed: March 27, 2018
    Publication date: July 26, 2018
    Inventors: Min-Seok Song, Chan-Oh Yoon, Eun-Kyung Park, Bu-Gi Jung, Jang-Soon Kim
  • MODIFIED ISOBUTYLENE-ISOPRENE RUBBER, PREPARATION METHOD THEREFOR, AND CURED PRODUCT
    Publication number: 20180155528
    Abstract: Provided is a novel modified isobutylene-isoprene rubber (IIR).
    Type: Application
    Filed: February 4, 2016
    Publication date: June 7, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Kwang-Su Seo, Jang-Soon Kim
  • Rubber-based adhesive composition and rubber-based adhesive tape for automobile using the same
    Patent number: 9988561
    Abstract: The present invention relates to a rubber-based adhesive composition containing: a styrene-butadiene-styrene (SBS) rubber; a hardener; and an adhesion enhancer, the adhesion enhancer being contained in 50 to 100 parts by weight based on 100 parts by weight of the styrene-butadiene-styrene (SBS) rubber, and to a rubber-based adhesive tape for an automobile using the same.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: June 5, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Ae-Jung Jang, Jang-Soon Kim
  • RUBBER-BASED ADHESIVE COMPOSITION AND RUBBER-BASED ADHESIVE USING SAME
    Publication number: 20180148613
    Abstract: The present invention relates to a rubber-based adhesive composition and a rubber-based adhesive using the same, the composition including: a rubber-based resin; and a rosin-based resin having at least one hydrophilic group.
    Type: Application
    Filed: October 28, 2015
    Publication date: May 31, 2018
    Inventors: Seung-Won LEE, Eun-Kyung PARK, Won-Gu CHOI, Jang-Soon KIM, Sang-Hwan KIM, Tae-Yi CHOI
  • Adhesive composition for optical use and adhesive film for optical use
    Patent number: 9976059
    Abstract: The present invention relates to an adhesive composition for optical use, which is applied to optical devices or display devices and thus may exhibit excellent adhesion performance while exhibiting a high barrier performance based on a low water vapor transmission rate, and may implement both excellent optical characteristics and durability, and specifically, provides an adhesive composition for optical use, the adhesive composition including: a thermally curable rubber including an isobutylene-isoprene rubber having a carboxyl group and an isobutylene-isoprene rubber having a hydroxy group; and a thermal crosslinking agent. Further, the present invention provides an adhesive film for optical use, including an adhesive layer including photocured products of the adhesive composition for optical use.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: May 22, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Kwang Su Seo, Eun Kyung Park, Seung Won Lee, Jang Soon Kim, Won Gu Choi, Tae Yi Choi
  • ADHESIVE TAPE AND METHOD OF MANUFACTURING THEREOF
    Publication number: 20180127624
    Abstract: The present invention provides an adhesive tape including: a base material; and an adhesive sheet provided on one surface of the base material and including cured products of an aqueous acrylic adhesive composition, in which the adhesive sheet has a porous structure including pores, and wherein the adhesive tape has a water vapor transmission rate of 3,000 g/m2·day or more and 5,000 g/m2·day or less under conditions of a temperature of 40° C. and a relative humidity of 20%, and a method for manufacturing the same.
    Type: Application
    Filed: February 23, 2017
    Publication date: May 10, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jeong-In Han, Won-Gu Choi, Jang-Soon Kim, Tae-Yi Choi, Ji-Yeon Yang, Dan-A Kim, Seo-Hyeon Park
  • DOUBLE-SIDED ADHESIVE TAPE FOR DISPLAY AND MANUFACTURING METHOD THEREFOR
    Publication number: 20180117885
    Abstract: Provided are a double-sided adhesive tape for a display and a manufacturing method therefor, the double-sided adhesive tape sequentially including: a first acrylic adhesive layer; an acrylic foaming layer; a thermoplastic film layer having a black layer laminated on at least one surface thereof; and a second acrylic adhesive layer.
    Type: Application
    Filed: March 22, 2016
    Publication date: May 3, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Ji-Hye Kim, Hong-June Choi, Joon-Seung Lee, Jang-Soon Kim, Woo-Joo Han, Ki-Seung Seo
  • METHOD FOR PREPARING (METH) ACRYLATE GROUP-CONTAINING BENZOPHENONE FOR OPTICAL ADHESIVE USE AND OPTICAL ADHESIVE COMPOSITION
    Publication number: 20180119180
    Abstract: The present invention relates to a method for preparing a (meth)acrylate group-containing benzophenone for an optical adhesive use, the method including: preparing a raw material composition by mixing a hydroxy group-containing benzophenone-based compound and a (meth)acrylate-based compound; and carrying out a reaction of the hydroxy group-containing benzophenone-based compound and the (meth)acrylate-based compound by introducing an enzyme catalyst into the raw material composition. Further, the present invention provides an optical adhesive composition including a (meth)acrylate group-containing benzophenone prepared by the preparation method and a derivative thereof.
    Type: Application
    Filed: February 21, 2017
    Publication date: May 3, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jang Soon Kim, Kwang Su Seo, Won Gu Choi
  • PHOTOCURABLE COMPOSITION FOR OPTICAL BONDING AGENT, IMAGE DISPLAY DEVICE APPLYING SAME, AND METHOD FOR MANUFACTURING IMAGE DISPLAY DEVICE
    Publication number: 20180112106
    Abstract: Provided is a photocurable composition for an optical bonding agent, including an acrylic photocurable compound and a plasticizer, in which the acrylic photocurable compound includes a monofunctional acrylic photocurable monomer and a (meth)acrylate-based photocurable polymer having a weight average molecular weight of 50,000 g/mol or less, and the monofunctional acrylic photocurable monomer is included in an amount of more than 0 wt % and 15 wt % or less in the photocurable composition for the optical bonding agent.
    Type: Application
    Filed: March 29, 2016
    Publication date: April 26, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Bo-Ra Yeon, Kyung-Joon Yoon, Jang-Soon Kim, Jin-Young Huh, Min-Kyeong Pyo
  • Acrylic foam adhesive tape and flat-panel display applying same
    Patent number: 9938433
    Abstract: Provided is an acrylic foam adhesive tape including: an acrylic foam layer formed by curing a composition for forming an acrylic foam layer; and an adhesive layer being in contact with one surface of the acrylic foam layer, wherein shear strength of the acrylic foam layer is 5 kg/cm2 to 15 kg/cm2.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: April 10, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Ji Hye Kim, Joon Seung Lee, Byoung Hun Ahn, Jang Soon Kim, Ae-Jung Jang, Jae Hwang Lee
  • ADHESIVE COMPOSITION FOR OPTICAL USE AND OPTICAL DEVICE
    Publication number: 20180094172
    Abstract: The present invention provides an adhesive composition for optical use, including a polyester-based urethane acrylate oligomer, an acrylate-based monomer, a photoinitiator, and a Anti-hydrolysis agnet, and an optical device equipped with an adhesive layer including photocured products of the adhesive composition for optical use.
    Type: Application
    Filed: November 23, 2016
    Publication date: April 5, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jang Soon Kim, Kyung Jun Yoon, Hong Beom Yoon, Min Kyeong Pyo, Jin Young Huh
  • OPTICAL ADHESIVE COMPOSITION AND OPTICAL ADHESIVE FILM
    Publication number: 20180057715
    Abstract: The present invention relates to an optical adhesive composition including: a thermosetting component including an isoprene-based rubber containing a carboxyl group, and a thermal curing agent; and a photo-curable component including an acrylic acid ester-based monomer, and a photoinitiator, in order to exhibit high barrier performance on the basis of a low water vapor transmission rate, and simultaneously, exhibit excellent adhesive performance by being applied to an optical device or a display device. In addition, the present invention provides an optical adhesive film including an adhesive layer including a photo-cured product of the optical adhesive composition, thereby obtaining advantages of ensuring an excellent cutting property and an excellent handling property, and improving a step difference absorbency.
    Type: Application
    Filed: March 22, 2016
    Publication date: March 1, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Seung-Won Lee, Eun-Kyung Park, Tae-Yi Choi, Won-Gu Choi, Jang-Soon Kim
  • OPTICAL ADHESIVE SHEET
    Publication number: 20180010016
    Abstract: The present invention relates to an optical adhesive sheet having an excellent repulsion resistance and an excellent swelling rate, and a method for manufacturing the same.
    Type: Application
    Filed: March 9, 2016
    Publication date: January 11, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Ae-Jung Jang, Hong-June Choi, Jang-Soon Kim
  • ACRYLIC ADHESIVE SHEET, MEDICAL ADHESIVE TAPE, AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20180010019
    Abstract: Provided are: an acrylic adhesive sheet having a porous structure including a plurality of pores and having a water vapor transmission rate of 2,000 g/m2·24 h to 3,500 g/m2·24 h at 24° C. and 25% RH, and a porosity of 10% to 60%; and a medical adhesive tape including the same.
    Type: Application
    Filed: December 22, 2015
    Publication date: January 11, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jeong-In Han, Dan-A Kim, Jang-Soon Kim, Seong-Hoon Yue, Tae-Yi Choi, Ji-Yeon Yang
  • Optical adhesive film having excellent peeling effect at high temperatures
    Patent number: 9850408
    Abstract: The present invention relates to an optical adhesive film which has excellent adhesive strength at room temperature and has improved efficiency in a rework process since peel strength is low at high temperatures. When attaching a touchscreen panel and an LCD by using the adhesive film of the present invention and separating the touchscreen panel and the LCD at high temperatures, the touchscreen panel and the LCD can be separated from each other without causing damage thereto. Additionally, the optical film of the present invention comprises two adhesive layers, wherein peeling occurs at the first adhesive layer having an adhesive composition such that a peeling surface can be controlled according to the convenience of a user.
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: December 26, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Chan Oh Yoon, Jang Soon Kim, Min Seok Song, Eun Kyung Park, Bu Gi Jung
  • ADHESIVE BONDING COMPOSITION FOR OPTICAL USE, METHOD FOR MULTISTAGE CURING THEREOF, AND IMAGE DISPLAY DEVICE
    Publication number: 20170342300
    Abstract: Provided are an adhesive bonding composition for optical use and a multistage curing method thereof, the composition including a methacrylate-based monomer and an acrylate-based monomer, in which a weight ratio of the methacrylate-based monomer to the acrylate-based monomer ranges from about 1:1 to about 1:10.
    Type: Application
    Filed: December 2, 2015
    Publication date: November 30, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Bo-Ra Yeon, Bu-Gi Jung, Sang-Hwan Kim, Kyung-Joon Yoon, Jang-Soon Kim, Won-Gu Choi
  • ADHESIVE COMPOSITION FOR OPTICAL USE AND ADHESIVE FILM FOR OPTICAL USE
    Publication number: 20170327714
    Abstract: The present invention relates to an adhesive composition for optical use, which is applied to optical devices or display devices and thus may exhibit excellent adhesion performance while exhibiting a high barrier performance based on a low water vapor transmission rate, and may implement both excellent optical characteristics and durability, and specifically, provides an adhesive composition for optical use, the adhesive composition including: a thermally curable rubber including an isobutylene-isoprene rubber having a carboxyl group and an isobutylene-isoprene rubber having a hydroxy group; and a thermal crosslinking agent. Further, the present invention provides an adhesive film for optical use, including an adhesive layer including photocured products of the adhesive composition for optical use.
    Type: Application
    Filed: November 4, 2016
    Publication date: November 16, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Kwang Su Seo, Eun Kyung Park, Seung Won Lee, Jang Soon Kim, Won Gu Choi, Tae Yi Choi