Patents by Inventor Sung Don Hong

Sung Don Hong 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: 10294387
    Abstract: The present invention provides a hard coating film having high hardness and excellent properties. The hard coating film has high hardness and is not easily curled.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: May 21, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Joon Koo Kang, Yeong Rae Chang, Jae Hoon Shim, Sung Don Hong, Seung Jung Lee
  • Patent number: 10280330
    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: Grant
    Filed: July 29, 2013
    Date of Patent: May 7, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Patent number: 10000655
    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: Grant
    Filed: July 29, 2013
    Date of Patent: June 19, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Patent number: 9926461
    Abstract: The present invention provides a hard coating film having high hardness and excellent properties. The hard coating film has high hardness and is not easily curled.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: March 27, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Joon Koo Kang, Yeong Rae Chang, Jae Hoon Shim, Sung Don Hong, Seung Jung Lee
  • Patent number: 9909026
    Abstract: Disclosed is a hard coating film with high impact resistance and superior physical properties, including high hardness, scratch resistance and transparency, and high processability.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: March 6, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Patent number: 9902868
    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: Grant
    Filed: July 29, 2013
    Date of Patent: February 27, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Patent number: 9896596
    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: Grant
    Filed: March 13, 2014
    Date of Patent: February 20, 2018
    Assignee: LG CHEM, LTD.
    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
  • Patent number: 9896597
    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: February 20, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Joon Koo Kang, Yeong Rae Chang, Jae Hoon Shim, Sung Don Hong, Seung Jung Lee
  • Patent number: 9884977
    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: June 27, 2016
    Date of Patent: February 6, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Joon Koo Kang, Yeong Rae Chang, Jae Hoon Shim, Sung Don Hong, Seung Jung Lee
  • 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
  • Patent number: 9783698
    Abstract: Disclosed is a hard coating film with high physical properties including hardness, scratch resistance, impact resistance, transparency, durability, light resistance, and light transmittance. The hard coating film can find useful applications in various fields thanks to its excellent physical properties.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: October 10, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Patent number: 9777186
    Abstract: The present invention relates to a hard coating film, and, more particularly, to a hard coating film having hardness and excellent physical properties without a supporting substrate. 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: Grant
    Filed: July 29, 2013
    Date of Patent: October 3, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Patent number: 9765234
    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: Grant
    Filed: July 29, 2013
    Date of Patent: September 19, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Patent number: 9701862
    Abstract: A method of preparing a hard coating film by applying a hard coating composition onto both sides of a supporting substrate, thereby forming a hard coating layer on each side of the supporting substrate, the hard coating composition comprising a binder including a tri- to hexa-functional acrylate-based monomer, inorganic particles and a photoinitiator; and irradiating the applied hard coating layers with ultraviolet to simultaneously photocure the hard coating layers, wherein the hard coating film has a pencil hardness of 7H or more under a load of 1 kg, and properties such that when the hard coating film is exposed to a temperature of 50 to 90° C. and a humidity of 80 to 90% for 70 to 100 hours and then placed on a plane, the maximum distance at which each edge of the hard coating film is spaced apart from the plane is 1.0 mm or less.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: July 11, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Joon Koo Kang, Yeong Rae Chang, Sung Don Hong, Soon Hwa Jung, Eun Kyu Her
  • Patent number: 9529122
    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: Grant
    Filed: July 29, 2013
    Date of Patent: December 27, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Yeong-Rae Chang, Sung-Don Hong, Soon-Hwa Jung, Eun-Kyu Her
  • Publication number: 20160304737
    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: Application
    Filed: June 27, 2016
    Publication date: October 20, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Joon Koo KANG, Yeong Rae CHANG, Jae Hoon SHIM, Sung Don HONG, Seung Jung LEE
  • 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
  • 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: 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