Patents by Inventor Ae Jung Jang

Ae Jung Jang 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: 11745462
    Abstract: An optical adhesive sheet having an excellent repulsion resistance and an excellent swelling rate, and a method for manufacturing the same.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: September 5, 2023
    Inventors: Ae-Jung Jang, Hong-June Choi, Jang-Soon Kim
  • Patent number: 10301513
    Abstract: Provided is an adhesive agent composition comprising: a copolymer in which a polar functional group-containing monomer is polymerized by the content ratio of 10 weight parts to 50 weight parts with respect to 100 weight parts of a (meth)acrylic acid ester-based monomer; thermally conductive inorganic fillers; and a hollow glass filler or gas bubbles. Also provided is a method for preparing the adhesive agent composition, comprising the steps of: preparing a copolymer by polymerizing a polar functional group-containing monomer by the content ratio of 10 weight parts to 50 weight parts with respect to 100 weight parts of a (meth)acrylic acid ester-based monomer; adding thermally conductive inorganic fillers, a surface-active agent, a photoinitiator, and a photocuring agent to the copolymer to prepare a mixture; and adding a hollow glass filler or injecting gas bubbles into the mixture.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: May 28, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Ji Hye Kim, Jang Soon Kim, Ae Jung Jang
  • Patent number: 10246612
    Abstract: Provided is an adhesive tape which sequentially comprises a first adhesive layer, a polyurethane foamed layer having a density of about 0.1 g/cm3 to about 0.5 g/cm3, and a second adhesive layer.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: April 2, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jae-Hwang Lee, Jang-Soon Kim, Ae-Jung Jang, Ji-Hye Kim
  • 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
  • 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
  • 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
  • Publication number: 20160237324
    Abstract: The present invention relates to a non-curable rubber-based adhesive composition for a touch screen panel, containing styrene-isoprene-styrene (SIS) rubber, and a non-curable rubber-based adhesive film for a touch screen panel, using the same.
    Type: Application
    Filed: May 7, 2015
    Publication date: August 18, 2016
    Inventors: Ae-Jung JANG, Jang-Soon KIM
  • Publication number: 20160208147
    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: Application
    Filed: February 11, 2015
    Publication date: July 21, 2016
    Inventors: Ae-Jung JANG, Jang-Soon KIM
  • Publication number: 20160068715
    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: Application
    Filed: April 16, 2014
    Publication date: March 10, 2016
    Inventors: Ji Hye KIM, Joon Seung LEE, Byoung Hun AHN, Jang Soon KIM, Ae-Jung JANG, Jae Hwang LEE
  • Publication number: 20150315424
    Abstract: Provided is an adhesive tape which sequentially comprises a first adhesive layer, a polyurethane foamed layer having a density of about 0.1 g/cm3 to about 0.5 g/cm3, and a second adhesive layer.
    Type: Application
    Filed: October 7, 2013
    Publication date: November 5, 2015
    Inventors: Jae-Hwang LEE, Jang-Soon KIM, Ae-Jung JANG, Ji-Hye KIM
  • Publication number: 20150210903
    Abstract: Provided is an adhesive agent composition comprising: a copolymer in which a polar functional group-containing monomer is polymerized by the content ratio of 10 weight parts to 50 weight parts with respect to 100 weight parts of a (meth)acrylic acid ester-based monomer; thermally conductive inorganic fillers; and a hollow glass filler or gas bubbles. Also provided is a method for preparing the adhesive agent composition, comprising the steps of: preparing a copolymer by polymerizing a polar functional group-containing monomer by the content ratio of 10 weight parts to 50 weight parts with respect to 100 weight parts of a (meth)acrylic acid ester-based monomer; adding thermally conductive inorganic fillers, a surface-active agent, a photoinitiator, and a photocuring agent to the copolymer to prepare a mixture; and adding a hollow glass filler or injecting gas bubbles into the mixture.
    Type: Application
    Filed: July 10, 2013
    Publication date: July 30, 2015
    Inventors: Ji Hye Kim, Jang Soon Kim, Ae Jung Jang
  • Publication number: 20150166855
    Abstract: The present invention provides an adhesive composition for a protective film, comprising a UV curable rubber having a degree of unsaturation of 70-85%. In addition, the present invention provides a protective film formed with the adhesive composition for a protective film.
    Type: Application
    Filed: December 13, 2012
    Publication date: June 18, 2015
    Applicant: LG Hausys, Ltd.
    Inventors: Sle Lee, Jang Soon Kim, Ae Jung Jang
  • Publication number: 20150133583
    Abstract: Provided is an adhesive composition, comprising: a copolymer in which a monomer containing 5 to 50 parts by weight of a polar functional group with respect to 100 parts by weight of a (meta) acrylic acid ester-based monomer is polymerized; and a hollow glass filler or bubbles. Also provided is a method for preparing the adhesive composition, comprising the steps of: preparing the copolymer by polymerizing 5 to 50 parts by weight of the monomer containing the polar function group, with respect to 100 parts by weight of the (meta) acrylic acid ester-based monomer; preparing a mixture by adding a surfactant, a photoinitiator, and a photocuring agent to the copolymer; and adding to the mixture the hollow glass filler or the bubbles.
    Type: Application
    Filed: December 13, 2012
    Publication date: May 14, 2015
    Inventors: Ji Hye Kim, Jang Soon Kim, Ae Jung Jang
  • Publication number: 20140234612
    Abstract: The present invention provides a pressure sensitive adhesive tape comprising: an acrylic foam layer; and rubber-based adhesive layers which are formed on both sides of said acrylic foam layer, wherein the content of gel in said rubber-based adhesive layers is 40% or more. Furthermore, in order to accomplish the object of the present invention, a method for manufacturing a pressure sensitive adhesive layer is provided, and the method comprises the steps of: manufacturing an acrylic foam layer; and forming rubber-based adhesive layers on one side or both sides of said acrylic foam layer, wherein said step of forming the rubber-based adhesive layers comprises the steps of: manufacturing a styrene block copolymer; forming rubber-based adhesive layers by adding an adhesive additive and a plasticizer to said styrene block copolymer; and setting the content of gel in said rubber-based adhesive layers to 40% or more.
    Type: Application
    Filed: October 11, 2012
    Publication date: August 21, 2014
    Applicant: LG HAUSYS, LTD.
    Inventors: Ae Jung Jang, Jang Soon Kim, Seung Min Yoo