Patents by Inventor Kang Bae Yoon

Kang Bae Yoon 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: 9299654
    Abstract: A semiconductor device is bonded by an anisotropic conductive film composition. The anisotropic conductive film composition includes an ethylene-vinyl acetate copolymer, a polyurethane resin, and organic fine particles. The anisotropic conductive film composition has a melt viscosity of about 2,000 to about 8,000 Pa·s at 80° C.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: March 29, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Kyoung Hun Shin, Do Hyun Park, Hyun Joo Seo, Young Ju Shin, Kang Bae Yoon
  • Patent number: 8728352
    Abstract: An electrical connection material between conductors includes about 40 wt % to about 80 wt % of a urethane-modified acrylate resin, based on a total weight of the electrical connection material, the electrical connection material exhibiting, after curing, a tensile elongation of about 100% to about 500% and a yield point strain of about 10% to about 50% in a stress-strain curve.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: May 20, 2014
    Assignee: Cheil Industries, Inc.
    Inventors: Sang Sik Bae, Kyoung Soo Park, Kyoung Hun Shin, Kang Bae Yoon
  • Publication number: 20130154094
    Abstract: A semiconductor device is bonded by an anisotropic conductive film composition. The anisotropic conductive film composition includes an ethylene-vinyl acetate copolymer, a polyurethane resin, and organic fine particles. The anisotropic conductive film composition has a melt viscosity of about 2,000 to about 8,000 Pa·s at 80° C.
    Type: Application
    Filed: December 13, 2012
    Publication date: June 20, 2013
    Inventors: Kyoung Hun Shin, Do Hyun Park, Hyun Joo Seo, Young Ju Shin, Kang Bae Yoon
  • Patent number: 8173048
    Abstract: A composition for a circuit connection film and a circuit connection film using the same, the composition including a binder resin including an acrylate modified urethane resin, a carboxyl modified acrylonitrile butadiene rubber, and an acrylic copolymer, the acrylic copolymer having an acid value of about 1 to about 100 mg KOH/g, a radical polymerizable compound including at least one of an isocyanurate acrylate compound and a compound having a (meth)acrylate group, and an organic peroxide.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: May 8, 2012
    Assignee: Cheil Industries, Inc.
    Inventors: Hyun Hee Namkung, Kyoung Soo Park, Bong Yong Kim, Kang Bae Yoon, Sang Sik Bae, Hyun Joo Seo
  • Patent number: 8163835
    Abstract: An anisotropic conductive adhesive composition includes an acrylic rubber binder having a weight average molecular weight of about 100,000 to about 1,000,000, a first component including at least one of a mono(meth)acrylate compound and a di(meth)acrylate compound, a second component including at least one of a tri(meth)acrylate compound and a compound having more than three (meth)acrylate groups, an organic peroxisde, and conductive particles. The second component is present in an amount of about 1 to about 10% by weight, based on the total weight of the acrylic rubber, the first component, the second component, the organic peroxide, and the conductive particles.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: April 24, 2012
    Assignee: Cheil Industries, Inc.
    Inventors: Kyoung Soo Park, Hyun Hee Namkung, Kyoung Hun Shin, Byeong Hwan Jeon, Kang Bae Yoon, Cheon Seok Lee
  • Publication number: 20120080068
    Abstract: An electrical connection material between conductors includes about 40 wt % to about 80 wt % of a urethane-modified acrylate resin, based on a total weight of the electrical connection material, the electrical connection material exhibiting, after curing, a tensile elongation of about 100% to about 500% and a yield point strain of about 10% to about 50% in a stress-strain curve.
    Type: Application
    Filed: September 16, 2011
    Publication date: April 5, 2012
    Inventors: Sang Sik BAE, Kyoung Soo Park, Kyoung Hun Shin, Kang Bae Yoon
  • Patent number: 8003017
    Abstract: An adhesive composition includes an ethylene-vinyl acetate copolymer, a copolymer of an aliphatic heterocyclic compound and a monomer having an aromatic ring, a binder resin, a radical polymerizable material, and a radical initiator.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: August 23, 2011
    Assignee: Cheil Industries, Inc.
    Inventors: Byeong Hwan Jeon, Kyoung Soo Park, Bong Yong Kim, Young Jin Kwon, Kang Bae Yoon, Kyong Hun Shin, Hyun Hee Namkung, Hyun Joo Seo, Cheon Seok Lee
  • Publication number: 20100159234
    Abstract: An adhesive film composition for electric and electronic devices and an adhesive film produced using the same, the composition including a binder, the binder including an ester linkage-containing resin, a carbodiimide group-containing compound, a (meth)acrylate group-containing compound; and an organic peroxide.
    Type: Application
    Filed: December 16, 2009
    Publication date: June 24, 2010
    Inventors: Sang Sik Bae, Kang Bae Yoon, Kyoung Soo Park, Kyoung Hun Shin, Young Jin Kwon
  • Publication number: 20100148130
    Abstract: A composition for a circuit connection film and a circuit connection film using the same, the composition including a binder resin including an acrylate modified urethane resin, a carboxyl modified acrylonitrile butadiene rubber, and an acrylic copolymer, the acrylic copolymer having an acid value of about 1 to about 100 mg KOH/g, a radical polymerizable compound including at least one of an isocyanurate acrylate compound and a compound having a (meth)acrylate group, and an organic peroxide.
    Type: Application
    Filed: December 10, 2009
    Publication date: June 17, 2010
    Inventors: Hyun Hee Namkung, Kyoung Soo Park, Bong Yong Kim, Kang Bae Yoon, Sang Sik Bae, Hyun Joo Seo
  • Patent number: 7727423
    Abstract: An anisotropic conductive film (ACF) composition includes a thermoplastic resin having a weight average molecular weight of about 150,000 to about 600,000, a thermosetting curing agent having a weight average molecular weight of about 100 to about 10,000, the thermosetting curing agent including an acrylate functional group or a methacrylate functional group, an organic peroxide, a silane coupling agent, and conductive particles.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: June 1, 2010
    Assignee: Cheil Industries, Inc.
    Inventors: Kang Bae Yoon, Kyoung Soo Park, Cheon Seok Lee
  • Publication number: 20090152505
    Abstract: An adhesive composition includes an ethylene-vinyl acetate copolymer, a copolymer of an aliphatic heterocyclic compound and a monomer having an aromatic ring, a binder resin, a radical polymerizable material, and a radical initiator.
    Type: Application
    Filed: December 18, 2008
    Publication date: June 18, 2009
    Inventors: Byeong Hwan Jeon, Kyoung Soo Park, Bong Yong Kim, Young Jin Kwon, Kang Bae Yoon, Kyong Hun Shin, Hyun Hee Namkung, Hyun Joo Seo, Cheon Seok Lee
  • Publication number: 20090078747
    Abstract: An anisotropic conductive adhesive composition includes an acrylic rubber binder having a weight average molecular weight of about 100,000 to about 1,000,000, a first component including at least one of a mono(meth)acrylate compound and a di(meth)acrylate compound, a second component including at least one of a tri(meth)acrylate compound and a compound having more than three (meth)acrylate groups, an organic peroxisde, and conductive particles. The second component is present in an amount of about 1 to about 10% by weight, based on the total weight of the acrylic rubber, the first component, the second component, the organic peroxide, and the conductive particles.
    Type: Application
    Filed: September 19, 2008
    Publication date: March 26, 2009
    Inventors: Kyoung Soo Park, Hyun Hee Namkung, Kyoung Hun Shin, Byeong Hwan Jeon, Kang Bae Yoon, Cheon Seok Lee
  • Publication number: 20080185559
    Abstract: An anisotropic conductive film (ACF) composition includes a thermoplastic resin having a weight average molecular weight of about 150,000 to about 600,000, a thermosetting curing agent having a weight average molecular weight of about 100 to about 10,000, the thermosetting curing agent including an acrylate functional group or a methacrylate functional group, an organic peroxide, a silane coupling agent, and conductive particles.
    Type: Application
    Filed: December 31, 2007
    Publication date: August 7, 2008
    Inventors: Kang Bae Yoon, Kyoung Soo Park, Cheon Seok Lee