Patents by Inventor Hye-Min Kim

Hye-Min Kim 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: 10534119
    Abstract: The present invention relates to a polarizer protective film comprising a binder resin layer in which a poly(C2-4 alkylene glycol)-modified polyfunctional urethane (meth)acrylate-based polymer and a bifunctional or higher polyfunctional (meth)acrylate-based compound form a cross-linked bond, a polarizing plate comprising the polarizer protective film and a method for preparing a polarizing plate comprising forming the polarizer protective film.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: January 14, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hyun Seo, Yeong Rae Chang, Heon Kim, Hye Min Kim
  • Publication number: 20200010736
    Abstract: The present invention relates to a flexible film, more specifically, to a flexible film that not only exhibits high hardness, but also has excellent flexibility. According to the flexible film of the present invention, flexibility, bendability, high hardness, scratch resistance, and high transparency are exhibited, and there is no concern for damage of the film even when bended repeatedly or folded for a long time, and thus, it may be usefully applied for the front panels, display parts of bendable, flexible, rollable, or foldable mobile devices, display devices, various instrument panels, and the like.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 9, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jin Kuk LEE, Jin Young PARK, Soon Hwa JUNG, Yeong Rae CHANG, Jung Hyun SEO, Hye Min KIM
  • Patent number: 10473825
    Abstract: The present invention relates to a resin composition for a polarizer protective film, a polarizer protective film, a polarizing plate including the same, and a preparation method of a polarizing plate, and, more specifically, to a resin composition for a polarizer protective film and a polarizer protective film exhibiting high hardness and excellent properties, a polarizing plate including the same, and a preparation method of a polarizing plate. According to the polarizing plate of the present invention, it can be usefully utilized in various fields because of its excellent hardness, flexibility, and optical properties.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: November 12, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Hye Min Kim, Yeong Rae Chang, Heon Kim
  • Publication number: 20190285778
    Abstract: The present invention relates to a polarizer protective film comprising a cured resin and exhibiting high hardness and excellent properties.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 19, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Yeong Rae CHANG, Han Na LEE
  • Publication number: 20190285777
    Abstract: The present invention relates to a resin composition for a polarizer protective film, and, more specifically, to a resin composition for a polarizer protective film exhibiting high hardness and excellent properties.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 19, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Yeong Rae CHANG, Han Na LEE
  • Patent number: 10330829
    Abstract: The present invention relates to a resin composition for a polarizer protective film, a polarizer protective film, a polarizing plate including the same, and a preparation method of a polarizing plate, and, more specifically, to a resin composition for a polarizer protective film and a polarizer protective film exhibiting high hardness and excellent properties, a polarizing plate including the same, and a preparation method of a polarizing plate. According to the polarizing plate of the present invention, it can be usefully utilized in various fields because of its excellent hardness, flexibility, and optical properties.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: June 25, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Hye Min Kim, Yeong Rae Chang, Han Na Lee
  • Patent number: 10312480
    Abstract: A cell packing material and a method of manufacturing the same are provided. More particularly, a cell packing material including a sealant layer, a gas barrier layer formed on the sealant layer, and an outer layer formed on the gas barrier layer, the outer layer including a polyrotaxane-based compound, and a method of manufacturing the same are provided. The cell packing material includes the outer layer having excellent elongation, scratch resistance, and chemical resistance, and thus can be easily molded into a pouch, and exhibit improved durability, and the like.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: June 4, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Heon Kim, Yong Suk Kim, Yeong Rae Chang, Hye Min Kim
  • Publication number: 20190153260
    Abstract: The present invention relates to a flexible plastic film, and more specifically to a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the flexible plastic film exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in a state of being warped for a long period of time, and thereby can he usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Application
    Filed: January 28, 2019
    Publication date: May 23, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Hyeok JEONG, Soon Hwa JUNG, Jin Young PARK, Yeong Rae CHANG
  • Publication number: 20190094612
    Abstract: The present application relates to a polarizing plate and a liquid crystal display comprising same, the polarizing plate comprising: a base film; an adhesive layer provided on one side of the base film; a photocurable resin layer provided on one side of the adhesive layer; and a protective film provided on one side of the photocurable resin layer, wherein the photocurable resin layer comprises: a cured resin having a polyfunctional acrylate-based monomer, and an acrylic elastic polymer or an acrylate-based oligomer having an elongation of 5-200%; a photopolymerization initiator; and an antistatic agent, and the protective film is provided with an antistatic surface on one side thereof, which is opposite to the other side facing the photocurable resin layer.
    Type: Application
    Filed: April 28, 2017
    Publication date: March 28, 2019
    Inventors: Hanna LEE, Hye Min KIM, Hyun Sam SON, Kyungki HONG, Yeongrae JANG
  • Patent number: 10233355
    Abstract: The present invention relates to a flexible plastic film, and more specifically to a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the flexible plastic film exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in a state of being warped for a long period of time, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 19, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Hye Min Kim, Hyeok Jeong, Soon Hwa Jung, Jin Young Park, Yeong Rae Chang
  • Patent number: 10118371
    Abstract: The present invention relates to a flexible plastic film, and more specifically to a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the flexible plastic film exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in repetitive, continuous bending or long-time folding state, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: November 6, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hye Min Kim, Hyeok Jeong, Yeong Rae Chang, Soon Hwa Jung, Jin Young Park
  • Publication number: 20180208793
    Abstract: The present invention relates to a coating composition for a flexible plastic film, and more specifically to a coating composition for producing a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the coating composition exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in repetitive, continuous bending or long-time folding state, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Application
    Filed: August 3, 2016
    Publication date: July 26, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Jin Young PARK, Yeong Rae CHANG
  • Publication number: 20180210288
    Abstract: The present specification relates to a polarizer protective film including a photocurable resin including a multifunctional acrylate-based monomer and an acrylate-based oligomer having an elongation of 5% to 200%; and a dye or a pigment having a maximum absorption wavelength of 580 nm to 610 nm, and a polarizing plate and a liquid crystal display device including the same.
    Type: Application
    Filed: September 13, 2016
    Publication date: July 26, 2018
    Inventors: Hanna LEE, Yeongrae CHANG, Hye Min KIM
  • Publication number: 20180201002
    Abstract: The present invention relates to a flexible plastic film, and more specifically to a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the flexible plastic film exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in repetitive, continuous bending or long-time folding state, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Application
    Filed: August 3, 2016
    Publication date: July 19, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Hyeok JEONG, Yeong Rae CHANG, Soon Hwa JUNG, Jin Young PARK
  • Publication number: 20180201000
    Abstract: The present invention relates to a flexible plastic film, and more specifically to a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the flexible plastic film exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in a state of being repeatedly warped, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Application
    Filed: August 3, 2016
    Publication date: July 19, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Hyeok JEONG, Yeong Rae CHANG, Jin Young PARK, Soon Hwa JUNG
  • Publication number: 20180194963
    Abstract: The present invention relates to a flexible plastic film, and more specifically to a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the flexible plastic film exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in a state of being warped for a long period of time, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Application
    Filed: August 3, 2016
    Publication date: July 12, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Hyeok JEONG, Soon Hwa JUNG, Jin Young PARK, Yeong Rae CHANG
  • Publication number: 20180088264
    Abstract: The present invention relates to a polarizer protective film comprising a binder resin layer in which a poly(C2-4 alkylene glycol)-modified polyfunctional urethane (meth)acrylate-based polymer and a bifunctional or higher polyfunctional (meth)acrylate-based compound form a cross-linked bond, a polarizing plate comprising the polarizer protective film and a method for preparing a polarizing plate comprising forming the polarizer protective film.
    Type: Application
    Filed: September 22, 2016
    Publication date: March 29, 2018
    Inventors: Jung Hyun SEO, Yeong Rae CHANG, Heon KIM, Hye Min KIM
  • Publication number: 20180051148
    Abstract: The present invention relates to a photocurable coating composition for forming a low refractive index layer, including: a photopolymerizable compound; inorganic fine particles; a polysilsesquioxane substituted with one or more reactive functional groups; a fluorine-based compound containing a photoreactive functional group; and a photopolymerization initiator, wherein the polysilsesquioxane substituted with one or more reactive functional groups is contained in an amount of 0.5 to 25 parts by weight based on 100 parts by weight of the photopolymerizable compound, a low refractive index layer including a photo-cured product of the photocurable coating composition, and an antireflection film including the low refractive index layer.
    Type: Application
    Filed: August 11, 2016
    Publication date: February 22, 2018
    Inventors: Boo Kyung KIM, Hye Min KIM, Jae Hoon SHIM, Soon Hwa JUNG
  • Patent number: 9884969
    Abstract: The present invention relates to a novel polyrotaxane compound having a specific chemical structure, a photocurable coating composition that may provide a coating material having excellent mechanical properties such as scratch resistance, chemical resistance, abrasion resistance, and the like, and excellent self-healing capability, and a coating film obtained from the photocurable coating composition.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: February 6, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Heon Kim, Yeong-Rae Chang, Hye-Min Kim
  • Patent number: 9850397
    Abstract: The present invention relates to a plastic film. More particularly, the present invention relates to a plastic film which exhibits high hardness, self-healing property and excellent processability. The plastic film of the present invention exhibits high hardness, self-healing property, scratch resistance, high transparency, durability, light resistance, light transmittance or the like, and thus can be applied to various fields.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: December 26, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Joon Koo Kang, Yeong Rae Chang, Sung Don Hong, Heon Kim, Hye Min Kim