Patents by Inventor Dong Heon YUN

Dong Heon YUN 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 FILM FOR SURFACE PROTECTIVE FILM, AND OPTICAL MEMBER COMPRISING SAME
    Publication number: 20230407144
    Abstract: Provided are: an adhesive film for a surface protective film, formed from a composition comprising a urethane-based binder and an isocyanate-based curing agent; and an optical member comprising same, wherein the adhesive film has a release force increase rate, of formula 1, of 180% or less, an initial release force of 1-12 gf/inch, a nitrogen amount of 0.5-1.5 wt % and a modulus, at 25° C., of 0.05-0.8 MPa.
    Type: Application
    Filed: November 22, 2021
    Publication date: December 21, 2023
    Inventors: Irina NAM, Young Hoon KIM, Won KIM, Bong Soo PARK, Il Jin KIM, Dong Heon YUN, Dong Il YUN
  • ADHESIVE FILM FOR SURFACE PROTECTION AND OPTICAL MEMBER COMPRISING THE SAME
    Publication number: 20230098148
    Abstract: An adhesive film for surface protection and an optical member including the same are provided. An adhesive film for surface protection is formed of a composition for adhesive films including a curable component including a urethane-based binder, a curing agent, and a plasticizer, and has a peel strength variation rate of ?50% to 20%, as calculated by Equation 1.
    Type: Application
    Filed: September 27, 2022
    Publication date: March 30, 2023
    Inventors: Bong Soo PARK, Young Hoon KIM, Dong Heon YUN, Won KIM, Irina NAM, Il Jin KIM, Dong Il HAN
  • ADHESIVE FILM, OPTICAL MEMBER COMPRISING THE SAME, AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME
    Publication number: 20220306910
    Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film is formed of an adhesive composition including a (meth)acrylic copolymer, a curing agent, a mono- or higher functional monomer, a binder having a melting point of about 30° C. to about 60° C., and an initiator, and has a peel strength increase rate of 7.0 or more, as calculated according to Equation 1 herein.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 29, 2022
    Inventors: Jung Hyo LEE, Won KIM, Oh Hyeon HWANG, Irina NAM, Il Jin KIM, Dong Heon YUN
  • ADHESIVE FILM, OPTICAL MEMBER COMPRISING THE SAME, AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME
    Publication number: 20220306911
    Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film is formed of an adhesive composition including a (meth)acrylic copolymer, a curing agent, an aromatic group-containing mono- or higher functional monomer, and an initiator, and has a peel strength increase rate of 5.0 or more, as calculated according to Equation 1 herein.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 29, 2022
    Inventors: Jung Hyo LEE, Won KIM, Tae Ji KIM, Oh Hyeon HWANG, Il Jin KIM, Dong Heon YUN, Ji Hye LEE
  • Adhesive composition for optical member, optical member comprising same, and optical display device comprising same
    Patent number: 10662353
    Abstract: The present invention relates to an adhesive composition for an optical member, an optical member comprising the same, and an optical display device comprising the same, wherein the composition comprises a (meth)acryl-based copolymer containing an acetoacetoxy group, a metal chelate curing agent, and a tri- or higher functional isocyanate-based curing agent, the (meth)acryl-based copolymer having an acid value of 0 mgKOH/g.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: May 26, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seung Jun Lee, Dong Heon Yun, Woo Jin Jeong, Eun Hwan Jeong, In Cheon Han
  • Adhesive film for polarizing plate, polarizing plate including the same and optical display including the same
    Patent number: 9868880
    Abstract: An adhesive film for polarizing plates, a polarizing plate, and an optical display, the adhesive film being prepared from an adhesive composition including an isocyanate crosslinking agent and an imide crosslinking agent, and having a ?G? of about 50% to about 80%, ?G? being represented by Equation 1: ?G?=(G1?G2)/G1×100??[Equation 1] in which G1 is a storage modulus of the adhesive film for polarizing plates as measured at 25° C., and G2 is a storage modulus of the adhesive film for polarizing plates as measured at 85° C.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: January 16, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Woo Jin Jeong, In Cheon Han, Dong Heon Yun
  • ADHESIVE COMPOSITION FOR OPTICAL MEMBER, OPTICAL MEMBER COMPRISING SAME, AND OPTICAL DISPLAY DEVICE COMPRISING SAME
    Publication number: 20170152414
    Abstract: The present invention relates to an adhesive composition for an optical member, an optical member comprising the same, and an optical display device comprising the same, wherein the composition comprises a (meth)acryl-based copolymer containing an acetoacetoxy group, a metal chelate curing agent, and a tri- or higher functional isocyanate-based curing agent, the (meth)acryl-based copolymer having an acid value of 0 mgKOH/g.
    Type: Application
    Filed: April 6, 2015
    Publication date: June 1, 2017
    Inventors: Seung Jun LEE, Dong Heon YUN, Woo Jin JEONG, Eun Hwan JEONG, In Cheon HAN
  • Adhesive composition for polarizing plate, polarizing plate including the same and optical display including the same
    Patent number: 9550923
    Abstract: An adhesive composition for polarizing plates includes a (meth)acrylic copolymer and a biphenyl group-containing photocuring agent. A polarizing plate includes an adhesive layer formed of the adhesive composition An optical display includes the polarizing plate.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: January 24, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Irina Nam, Woo Jin Jeong, Dong Heon Yun, In Cheon Han
  • ADHESIVE COMPOSITION FOR POLARIZING PLATE, POLARIZING PLATE INCLUDING THE SAME AND OPTICAL DISPLAY INCLUDING THE SAME
    Publication number: 20150247070
    Abstract: An adhesive composition for polarizing plates includes a (meth)acrylic copolymer and a biphenyl group-containing photocuring agent. A polarizing plate includes an adhesive layer formed of the adhesive composition An optical display includes the polarizing plate.
    Type: Application
    Filed: February 11, 2015
    Publication date: September 3, 2015
    Inventors: Irina NAM, Woo Jin JEONG, Dong Heon YUN, In Cheon HAN
  • ADHESIVE FILM FOR POLARIZING PLATE, POLARIZING PLATE INCLUDING THE SAME AND OPTICAL DISPLAY INCLUDING THE SAME
    Publication number: 20150152293
    Abstract: An adhesive film for polarizing plates, a polarizing plate, and an optical display, the adhesive film being prepared from an adhesive composition including an isocyanate crosslinking agent and an imide crosslinking agent, and having a ?G? of about 50% to about 80%, ?G? being represented by Equation 1: ?G?=(G1?G2)/G1×100??[Equation 1] in which G1 is a storage modulus of the adhesive film for polarizing plates as measured at 25° C., and G2 is a storage modulus of the adhesive film for polarizing plates as measured at 85° C.
    Type: Application
    Filed: November 20, 2014
    Publication date: June 4, 2015
    Inventors: Woo Jin JEONG, In Cheon HAN, Dong Heon YUN