Patents by Inventor Kyoung Ku Kang

Kyoung Ku Kang 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).

  • Publication number: 20130171379
    Abstract: A thermal transfer film and an organic electroluminescent display manufactured using the thermal transfer film, the thermal transfer film including a base layer; and a transfer enhancement layer having a surface energy of about 25 dyne/cm or less.
    Type: Application
    Filed: December 28, 2012
    Publication date: July 4, 2013
    Inventors: Hyoung Tae LIM, Kyoung Ku KANG, Jung Hyo LEE, Seong Heun CHO, Si Kyun PARK, Se Hyun PARK
  • Patent number: 8475912
    Abstract: A coating composition for forming a low-refractive-index layer includes a first fluorine compound represented by Formula 1 below, (CH2?CR1COO)2Rf??Formula 1 and a reactive silicon compound, a (meth)acrylate compound, a polymerization initiator, and a solvent. The first fluorine compound represented by Formula 1, the reactive silicon compound, the (meth)acrylate compound, the polymerization initiator, and the solvent may each be different from one another, and in Formula 1, Rf may be a C1-19 perfluoro group, and R1 may be a hydrogen atom or a methyl group.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: July 2, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Yun Jeong Seong, Kyoung Ku Kang, Hyoung Tae Lim, Young Cheol Lee
  • Publication number: 20130158153
    Abstract: A thermal transfer film and a method of manufacturing an OLED display, the thermal transfer film including a light to heat conversion layer, the light to heat conversion layer being formed of a composition including carbon black having an oil absorption number (OAN) of about 50 cc/100 gram to about 120 cc/100 gram and a mean particle size of about 40 nm to about 200 nm; and a binder.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 20, 2013
    Inventors: Si Kyun PARK, Se Hyun PARK, Jung Hyo LEE, Hyoung Tae LIM, Seong Heun CHO, Kyoung Ku KANG
  • Patent number: 8303859
    Abstract: An optical film includes a near-infrared absorbing layer, the near-infrared absorbing layer containing at least one colorant having a maximum absorption wavelength in the range of 900 nm to 1,100 nm, and a transparent copolymer resin containing fine rubber particles.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: November 6, 2012
    Assignee: Cheil Industries, Inc.
    Inventors: Young Kwon Koo, Byoung Hoo Lee, Kyoung Ku Kang
  • Publication number: 20120270027
    Abstract: A hard coating film that is curled to a height of less than 20 mm and has a pencil hardness of 3H or harder, the hard coating film including a hard coating agent that includes a hyperbranched (meth)acrylate oligomer having about 50 to about 200 (meth)acrylate groups, reactive nanoparticles, and a polyfunctional monomer.
    Type: Application
    Filed: June 28, 2012
    Publication date: October 25, 2012
    Inventors: Sung Chul HWANG, Kyoung Ku KANG, Byung Soo KIM, Do Young KIM
  • Patent number: 8256909
    Abstract: An antiglare film includes a transparent substrate, and an antiglare layer on the transparent substrate, the antiglare layer including a light-transmitting coating layer and an antiglare agent contained in the light-transmitting coating layer, the antiglare agent being composed of first antiglare particles and second antiglare particles overlapping each other.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: September 4, 2012
    Assignee: Cheil Industries, Inc.
    Inventors: Kyoung Ku Kang, Jee Woung Kim
  • Publication number: 20120154721
    Abstract: An optical filter includes a non-crystalline film, a protective coating layer on one side of the non-crystalline film, and a print layer on another side of the non-crystalline film, the other side being opposite to the one side, wherein the print layer is secured to a substrate.
    Type: Application
    Filed: October 12, 2011
    Publication date: June 21, 2012
    Inventors: Seong Heun CHO, Kyoung Ku Kang, Young Cheol Lee
  • Publication number: 20110255169
    Abstract: An antiglare film includes a transparent substrate, and an antiglare layer on the transparent substrate, the antiglare layer including a light-transmitting coating layer and an antiglare agent contained in the light-transmitting coating layer, the antiglare agent being composed of first antiglare particles and second antiglare particles overlapping each other.
    Type: Application
    Filed: June 24, 2011
    Publication date: October 20, 2011
    Inventors: Kyoung Ku KANG, Jee Woung KIM
  • Publication number: 20110159278
    Abstract: A hard coating composition and a laminate including a hard coating layer, the hard coating composition including an alkylene glycol acrylic monomer; a polyfunctional acrylic monomer; and a polymerization initiator, wherein the alkylene glycol acrylic monomer is present in an amount of about 5% to about 69% by weight, based on a total solids content of the composition.
    Type: Application
    Filed: December 30, 2010
    Publication date: June 30, 2011
    Inventors: Dae Kyu Lee, Kyoung Ku Kang
  • Publication number: 20110012073
    Abstract: An optical film includes a near-infrared absorbing layer, the near-infrared absorbing layer containing at least one colorant having a maximum absorption wavelength in the range of 900 nm to 1,100 nm, and a transparent copolymer resin containing fine rubber particles.
    Type: Application
    Filed: June 23, 2010
    Publication date: January 20, 2011
    Inventors: Young Kwon Koo, Byoung Hoo Lee, Kyoung Ku Kang
  • Publication number: 20100253886
    Abstract: A polarizing film, including a polarizer, a resin film as a base film, and an antistatic coating layer, the antistatic coating layer containing a cured mixture of a conductive polymer, a curable resin, a hydroxyacrylate compound, a cellulose compound, and a photopolymerization initiator.
    Type: Application
    Filed: June 28, 2010
    Publication date: October 7, 2010
    Inventors: Jee Woung KIM, Sung Chul Hwang, Kyoung Ku Kang
  • Patent number: 7655306
    Abstract: An optical film includes a selective visible light-absorbing layer including at least one dye having a maximum absorption wavelength in a range of about 470 nm to about 510 nm, the selective visible light-absorbing layer having a maximum light transmittance of about 60% or less at the maximum absorption wavelength of the dye and a full width at half maximum of about 50 nm or less.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: February 2, 2010
    Assignee: Cheil Industries, Inc.
    Inventors: Byoung Hoo Lee, Kyoung Ku Kang
  • Publication number: 20090202802
    Abstract: A coating composition for forming a low-refractive-index layer includes a first fluorine compound represented by Formula 1 below, (CH2?CR1COO)2Rf??Formula 1 and a reactive silicon compound, a (meth)acrylate compound, a polymerization initiator, and a solvent. The first fluorine compound represented by Formula 1, the reactive silicon compound, the (meth)acrylate compound, the polymerization initiator, and the solvent may each be different from one another, and in Formula 1, Rf may be a C1-19 perfluoro group, and R1 may be a hydrogen atom or a methyl group.
    Type: Application
    Filed: April 16, 2009
    Publication date: August 13, 2009
    Inventors: Yun Jeong Seong, Kyoung Ku Kang, Hyoung Tae Lim, Young Cheol Lee
  • Publication number: 20090148691
    Abstract: An anti-reflection film including a plastic transparent substrate, a low refractive index layer, and a high refractive index hard coating layer, wherein the high refractive index hard coating layer includes an inorganic oxide including Ga doped ZnO particles in a polymer matrix.
    Type: Application
    Filed: December 11, 2008
    Publication date: June 11, 2009
    Inventors: Young Cheol Lee, Kyoung Ku Kang, Hyoung Tae Lim
  • Publication number: 20070275184
    Abstract: An optical film includes a selective visible light-absorbing layer including at least one dye having a maximum absorption wavelength in a range of about 470 nm to about 510 nm, the selective visible light-absorbing layer having a maximum light transmittance of about 60% or less at the maximum absorption wavelength of the dye and a full width at half maximum of about 50 nm or less.
    Type: Application
    Filed: April 26, 2007
    Publication date: November 29, 2007
    Inventors: Byoung Hoo Lee, Kyoung Ku Kang