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: 10739636
    Abstract: The present application relates to a polarizing plate and a liquid crystal display device including the same.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: August 11, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hanna Lee, Hye Min Kim, Hyun Sam Son, Kyungki Hong, Yeongrae Jang
  • Publication number: 20200216713
    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: March 18, 2020
    Publication date: July 9, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Jin Young PARK, Yeong Rae CHANG
  • Patent number: 10640655
    Abstract: The present invention relates to a composition for forming a coating layer having a self-healing property which enables the provision of a film exhibiting further improved mechanical properties together with excellent self-healing properties by being applied to the exterior of various household appliances or display devices, etc., a coating layer and a film.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: May 5, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Heon Kim, Yeong Rae Chang, Hye Min Kim, Eun Sang Yoo, Young Suk Kim
  • Patent number: 10626292
    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: Grant
    Filed: August 3, 2016
    Date of Patent: April 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hye Min Kim, Jin Young Park, Yeong Rae Chang
  • Publication number: 20200033510
    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: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Yeong Rae CHANG, Heon KIM
  • 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