Patents by Inventor Hyun Hee Namkung

Hyun Hee Namkung 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: 9589696
    Abstract: A semiconductor device bonded by an anisotropic conductive adhesive composition, the anisotropic conductive adhesive composition having a solid content ratio between a polymer binder system and a curing system of about 40:60 to about 60:40, and a coefficient of thermal expansion of about 150 ppm/° C. or less at about 100° C. or less.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: March 7, 2017
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Hyun Hee Namkung, Jae Sun Han, Hyun Wook Kim, Jin Young Seo, Kwang Jin Jung, Dong Seon Uh
  • Patent number: 9534154
    Abstract: An electronic device includes an anisotropic conductive adhesive film as a connection material, wherein the anisotropic conductive adhesive film has a flowability of 50% or more after preliminary pressing at 80° C. and 1 MPa for 1 second and final pressing at 180° C. and 3 MPa for 5 seconds, and a connection resistance increment greater than 0% but not greater than 25%, as calculated by Expression 1: Connection resistance increment (%)=|(A?B)/A|×100??(Expression 1) where A is a connection resistance measured after preliminary pressing at 80° C. and 1 MPa for 1 second and final pressing at 180° C. and 3 MPa for 5 seconds, and B is a connection resistance measured after reliability evaluation at a temperature of 85° C. and a humidity of 85% for 250 hours following preliminary pressing and final pressing.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: January 3, 2017
    Assignee: Cheil Industries, Inc.
    Inventors: Jin Young Seo, Hyun Wook Kim, Hyun Hee Namkung, Kyung Il Sul, Dong Seon Uh, Kwang Jin Jung, Jae Sun Han
  • Patent number: 9389338
    Abstract: An optical member includes an anisotropic conductive film that has a multilayer structure having a bonding layer containing an epoxy resin as a curing part and a bonding layer containing a (meth)acrylate resin as a curing part.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: July 12, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Dong Seon Uh, Hyun Hee Namkung, Kwang Jin Jung, Jin Seong Park, Jae Sun Han
  • Patent number: 9263372
    Abstract: A semiconductor device bonded by an anisotropic conductive film, the anisotropic conductive film including a phenoxy resin including a fluorene-substituted phenoxy resin; and a radically polymerizable resin including a fluorene-substituted acrylate.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: February 16, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Jae Sun Han, Hyun Wook Kim, Hyun Hee Namkung, Jin Young Seo, Kwang Jin Jung, Dong Seon Uh
  • Publication number: 20130161566
    Abstract: An electronic device includes an anisotropic conductive adhesive film as a connection material, wherein the anisotropic conductive adhesive film has a flowability of 50% or more after preliminary pressing at 80° C. and 1 MPa for 1 second and final pressing at 180° C. and 3 MPa for 5 seconds, and a connection resistance increment greater than 0% but not greater than 25%, as calculated by Expression 1: Connection resistance increment (%)=(A?B)/A×100??(Expression 1) where A is a connection resistance measured after preliminary pressing at 80° C. and 1 MPa for 1 second and final pressing at 180° C. and 3 MPa for 5 seconds, and B is a connection resistance measured after reliability evaluation at a temperature of 85° C. and a humidity of 85% for 250 hours following preliminary pressing and final pressing.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 27, 2013
    Inventors: Jin Young SEO, Hyun Wook KIM, Hyun Hee NAMKUNG, Kyung Il SUL, Dong Seon UH, Kwang Jin JUNG, Jae Sun HAN
  • Publication number: 20130161838
    Abstract: A semiconductor device bonded by an anisotropic conductive film, the anisotropic conductive film including a phenoxy resin including a fluorene-substituted phenoxy resin; and a radically polymerizable resin including a fluorene-substituted acrylate.
    Type: Application
    Filed: December 20, 2012
    Publication date: June 27, 2013
    Inventors: Jae Sun HAN, Hyun Wook KIM, Hyun Hee NAMKUNG, Jin Young SEO, Kwang Jin JUNG, Dong Seon UH
  • Publication number: 20130113119
    Abstract: A semiconductor device bonded by an anisotropic conductive adhesive composition, the anisotropic conductive adhesive composition having a solid content ratio between a polymer binder system and a curing system of about 40:60 to about 60:40, and a coefficient of thermal expansion of about 150 ppm/° C. or less at about 100° C. or less.
    Type: Application
    Filed: November 2, 2012
    Publication date: May 9, 2013
    Inventors: Hyun Hee NAMKUNG, Jae Sun HAN, Hyun Wook KIM, Jin Young SEO, Kwang Jin JUNG, Dong Seon UH
  • Publication number: 20120141802
    Abstract: An optical member includes an anisotropic conductive film that has a multilayer structure having a bonding layer containing an epoxy resin as a curing part and a bonding layer containing a (meth)acrylate resin as a curing part.
    Type: Application
    Filed: October 14, 2011
    Publication date: June 7, 2012
    Inventors: Dong Seon UH, Hyun Hee Namkung, Kwang Jin Jung, Jin Seong Park, Jae Sun Han
  • 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
  • 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: 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
  • 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