Patents by Inventor Joon-Koo Kang

Joon-Koo 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: 20160297178
    Abstract: The present invention relates to a plastic film laminate, and more specifically, the present invention relates to a plastic film laminate showing impact resistance and excellent properties. According to the present invention, the plastic film laminate showing high hardness, impact resistance, scratch resistance, and transparency and having excellent processability can be provided.
    Type: Application
    Filed: November 19, 2014
    Publication date: October 13, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Joon Koo KANG, Hang Suk CHOI, Yeong Rae CHANG, Hyeok JEONG
  • Patent number: 9464194
    Abstract: A method of preparing a hard coating film by applying a first hard coating composition onto one side of a supporting substrate, performing a first photocuring by irradiating one side of the supporting substrate, applying a second hard coating composition onto the other side of the supporting substrate, performing a second photocuring by irradiating the other side of the supporting substrate which the second coating composition applied on, with ultraviolet having a first wavelength and a second wavelength longer than the first wavelength.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: October 11, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Joon Koo Kang, Yeong Rae Chang, Jae Hoon Shim, Sung Don Hong, Seung Jung Lee
  • Publication number: 20160289407
    Abstract: The present invention relates to a plastic film and a method for preparing the same. More specifically, the present invention relates to a plastic film of high hardness and a method for preparing the same.
    Type: Application
    Filed: November 24, 2014
    Publication date: October 6, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Jin Young PARK, Soon Hwa JUNG, Han Na LEE, Yeong Rae CHANG, Joon Koo KANG, Hyeok JEONG, Eun Kyu HER
  • Publication number: 20160282902
    Abstract: The present invention relates to a plastic film, and more specifically, the present invention relates to a plastic film showing impact resistance and excellent properties. According to the present invention, the plastic film showing high hardness, impact resistance, scratch resistance, and transparency and having excellent processability can be provided.
    Type: Application
    Filed: November 19, 2014
    Publication date: September 29, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Joon Koo KANG, Hang Suk CHOI, Soon Hwa JUNG, Hyeok JEONG, Eun Kyu HER
  • Patent number: 9447288
    Abstract: The present invention relates to an anti-reflective coating composition providing improved scratch resistance, a method for manufacturing an anti-reflective film using the same, and an anti-reflective film manufactured thereby. According to the present invention, provided are a composition that is able to form a coating layer having improved surface scratch resistance, while forming one or more layers by a single coating process, and an anti-reflective film manufactured by using the same.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: September 20, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Heon Kim, Joon-Koo Kang, Yeong-Rae Chang, Hye-Min Kim
  • Patent number: 9447285
    Abstract: The present invention relates to a coating composition. More particularly, the present invention relates to a composition capable of forming a plastic film which exhibits high hardness and excellent processability. According to the coating composition of the present invention, a plastic film with the rare occurrence of curling and high hardness can be provided.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: September 20, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Joon Koo Kang, Yeong Rae Chang, Sung Don Hong, Seung Jung Lee
  • Patent number: 9403991
    Abstract: The present invention relates to a hard coating composition, and, more particularly, to a hard coating composition used in forming a hard coating film exhibiting high hardness and excellent properties. The hard coating composition can be used to form a high-hardness hard coating film that is not easily curled.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: August 2, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Joon Koo Kang, Yeong Rae Chang, Jae Hoon Shim, Sung Don Hong, Seung Jung Lee
  • Publication number: 20160146978
    Abstract: The present invention relates to a polarizer protective film, a manufacturing method thereof, and a polarizing plate including the polarizer protective film. More particularly, the present invention relates to a polarizer protective film, and a polarizing plate including the same having excellent adhesion as well as showing excellent physical and optical properties. According to the polarizer protective film, and the polarizing plate including the same of the present invention, high hardness, high transparency, and high scratch resistance are provided, and thinning is possible, so that they may be easily applicable to various display devices.
    Type: Application
    Filed: June 20, 2014
    Publication date: May 26, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Han Na LEE, Yeong Rae CHANG, Jae Hoon SHIM, Jung Hyun SEO, Joon Koo KANG
  • Publication number: 20160040016
    Abstract: The present invention relates to a coating composition. More particularly, the present invention relates to a composition capable of forming a plastic film which exhibits high hardness and excellent processability. According to the coating composition of the present invention, a plastic film with the rare occurrence of curling and high hardness can be provided.
    Type: Application
    Filed: March 13, 2014
    Publication date: February 11, 2016
    Inventors: Joon Koo KANG, Yeong Rae CHANG, Sung Don HONG, Seung Jung LEE
  • Publication number: 20160032136
    Abstract: Disclosed is a plastic film which exhibits high hardness and processability without the problems of curling, warping and cracking.
    Type: Application
    Filed: March 13, 2014
    Publication date: February 4, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Joon Koo KANG, Yeong Rae CHANG, Heon KIM, Han Na LEE
  • Publication number: 20160032137
    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: Application
    Filed: March 13, 2014
    Publication date: February 4, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Joon Koo KANG, Yeong Rae CHANG, Sung Don HONG, Heon KIM, Hye Min KIM
  • Publication number: 20160024341
    Abstract: Disclosed is a method for preparing a plastic film. More particularly, a method is provided for preparing a plastic film of high hardness and excellent processability. The plastic method fabricated by the method is superior in processability with the rare occurrence of curling, and exhibits high hardness.
    Type: Application
    Filed: March 13, 2014
    Publication date: January 28, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Joon Koo KANG, Yeong Rae CHANG, Heon KIM, Han Na LEE
  • Publication number: 20160024330
    Abstract: Disclosed is a plastic film exhibiting excellent physical properties including a high level of hardness, high scratch resistance, and low reflection. Exhibiting a high level of hardness, scratch resistance, impact resistance, low reflectivity, and high transparency, the plastic film can be used as a substitute for a cover plate made of glass or reinforced glass.
    Type: Application
    Filed: March 13, 2014
    Publication date: January 28, 2016
    Inventors: Soon Hwa JUNG, Boo Kyung KIM, Seok Hoon JANG, Joon Koo KANG, Jae Hoon SHIM, Seung Jung LEE, Yeong Rae CHANG, Sung Don HONG
  • Publication number: 20160002499
    Abstract: Disclosed a coating composition and a plastic film prepared therefrom. The coating composition is provided as a material for a plastic film with high hardness, high impact resistance and excellent properties. From this composition, a plastic film that is superior in terms of hardness, scratch resistance, impact resistance, transparency, durability, light resistance, and light transmittance can be prepared.
    Type: Application
    Filed: February 26, 2014
    Publication date: January 7, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Joon Koo KANG, Yeong Rae CHANG, Soon Hwa JUNG, Jin Seok BYUN
  • Publication number: 20150299507
    Abstract: Disclosed herein is a laminated hard coating film, which exhibits high hardness and excellent properties without a supporting substrate. The laminated hard coating film can find useful applications in various fields thanks to its excellent hardness, scratch resistance, transparency, durability, light resistance, light transmittance, and the like.
    Type: Application
    Filed: July 29, 2013
    Publication date: October 22, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Joon-Koo KANG, Yeong-Rae CHANG, Sung-Don HONG, Soon-Hwa JUNG, Eun-Kyu HER
  • Publication number: 20150299505
    Abstract: Disclosed herein is a hard coating composition used in forming a hard coating film exhibiting high hardness and excellent properties. The hard coating composition can be used to prepare a hard coating film exhibiting high impact resistance, high scratch resistance and high transparency and having excellent processability.
    Type: Application
    Filed: July 29, 2013
    Publication date: October 22, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Joon-Koo KANG, Yeong-Rae CHANG, Sung-Don HONG, Soon-Hwa JUNG, Eun-Kyu HER
  • Publication number: 20150299504
    Abstract: The present invention relates to a hard coating film, and, more particularly, to a hard coating film having hardness and excellent physical properties. According to the present invention, the hard coating film has high physical properties including hardness, scratch resistance, transparency, durability, light resistance, and light transmittance. Thus, the hard coating film can find useful applications in various fields thanks to its excellent physical properties.
    Type: Application
    Filed: July 29, 2013
    Publication date: October 22, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Joon-Koo KANG, Eun-Kyu HER, Soon-Hwa JUNG, Yeong-Rae CHANG, Hyeok JEONG
  • Publication number: 20150252212
    Abstract: The present invention relates to a hard coating film, and, more particularly, to a hard coating film having hardness and excellent physical properties. According to the present invention, the hard coating film has high physical properties including hardness, scratch resistance, transparency, durability, light resistance, and light transmittance. Thus, the hard coating film can find useful applications in various fields thanks to its excellent physical properties.
    Type: Application
    Filed: July 29, 2013
    Publication date: September 10, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Publication number: 20150240109
    Abstract: Disclosed herein is a hard coating film, which exhibits high hardness and excellent properties without a supporting substrate. The hard coating film can find useful applications in various fields thanks to its excellent hardness, scratch resistance, transparency, durability, light resistance, light transmittance, and the like.
    Type: Application
    Filed: July 29, 2013
    Publication date: August 27, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Publication number: 20150234097
    Abstract: The present invention relates to a polarizing plate including a hard coating film, and, more particularly, to a polarizing plate including a hard coating film which exhibits high hardness and superior physical properties. The polarizing plate according to the present invention is high in hardness, scratch resistance, durability, light resistance, and light transmittance and can thus be efficiently utilized in a variety of fields.
    Type: Application
    Filed: July 29, 2013
    Publication date: August 20, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her