Patents by Inventor Kwang-Seung Park

Kwang-Seung Park 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: 20170307781
    Abstract: The present invention relates to a polarizing plate including: a polarizer and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition including: (A) a first compound represented by [Formula 1]; (B) a second compound represented by Formula B; and (C) a radical initiator, and an image display device including the same.
    Type: Application
    Filed: September 25, 2015
    Publication date: October 26, 2017
    Inventors: Mi Rin LEE, Kwang Seung PARK, Eunsoo HUH, Jun Wuk PARK, Sung Hyun JEON
  • Patent number: 9790403
    Abstract: The present invention relates to a radical-curable adhesive composition including a (A) radical-polymerizable compound having at least one hydrophilic functional group in the molecule; a (B) phosphate-based compound having three (meth)acrylic groups in the molecule; and a (C) radical initiator, and a polarizing plate and an optical member including the radical-curable adhesive composition.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: October 17, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Soo Huh, Kwang-Seung Park, Mi-Rin Lee, Jun-Wuk Park
  • Publication number: 20170285233
    Abstract: The present specification relates to a polarizing plate and a display device comprising the same.
    Type: Application
    Filed: September 25, 2015
    Publication date: October 5, 2017
    Inventors: Mi Rin LEE, Kwang Seung PARK, Eunsoo HUH, Jun Wuk PARK, Sung Hyun JEON
  • Publication number: 20170275397
    Abstract: The present specification relates to a (meth)acrylate compound, and a copolymer and a homopolymer including a repeating unit derived therefrom.
    Type: Application
    Filed: September 25, 2015
    Publication date: September 28, 2017
    Inventors: Kwang Seung PARK, Mi Rin LEE, Jun Wuk PARK, Eunsoo HUH, Sung Hyun JEON
  • Patent number: 9766383
    Abstract: A method of manufacturing a double-sided polarizing plate and a double-sided polarizing plate manufactured using the same are provided. The method of manufacturing a double-sided polarizing plate includes attaching transparent films to both surfaces of a polarizer by means of adhesive layers, irradiating the adhesive layers with active energy rays emitted by an energy source disposed in a single direction with respect to the polarizer, and thermally treating a surface of the transparent film disposed opposite to the energy source at a temperature of 25° C. to 65° C.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: September 19, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Eun-Soo Huh, Eun-Mi Seo, Kwang-Seung Park, Mi-Rin Lee, Yong-Il Cho
  • Patent number: 9733398
    Abstract: The present invention relates to a polarizing plate including a polarizer; and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition having a hydroxy value of 500 mg·KOH/g or more, and an image display device including the same.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: August 15, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Soo Huh, Kwang-Seung Park, Mi-Rin Lee, Sung-Hyun Kim, Jun-Wuk Park
  • Patent number: 9726799
    Abstract: A method of manufacturing a double-sided polarizing plate and a double-cited polarizing plate manufactured using the same are disclosed. The method of manufacturing a double-sided polarizing plate including attaching transparent films to both surfaces of a polarizer via adhesive layers; irradiating the adhesive layers with active energy rays in an amount of light of 200 mJ/cm2 or more through an energy source located in a single direction, based on the polarizer; and thermally treating a surface of the transparent film provided to oppose the energy source at a temperature of from 10° C. to 25° C.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: August 8, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Eun-Soo Huh, Eun-Mi Seo, Kwang-Seung Park, Mi-Rin Lee, Yong-Il Cho
  • Patent number: 9651716
    Abstract: The present invention relates to a polarizing plate including: a polarizer; and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition including: (A) a radical polymerizable compound having at least one hydrophilic functional group in a molecule thereof; (B) a phosphate-based compound having three (meth)acryl groups in a molecule thereof; and (C) a radical initiator, and an image display device including the same.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: May 16, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Soo Huh, Kwang-Seung Park, Mi-Rin Lee, Jun-Wuk Park
  • Patent number: 9611411
    Abstract: There are provided a radically curable adhesive composition and a polarizing plate including the radically curable adhesive composition. The radically curable adhesive composition includes, based on 100 parts by weight thereof, 40 to 80 parts by weight of a first compound represented by the following Formula 1; 15 to 50 parts by weight of a second compound including at least one carboxy group; and 0.5 to 10 parts by weight of a radical initiator.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: April 4, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Kwang-Seung Park, Mi-Rin Lee, Eun-Mi Seo, Eun-Soo Huh, Yong-Il Cho
  • Patent number: 9599753
    Abstract: The present disclosure relates to a polarizing plate excellent durability even under high humidity conditions and more particularly, to a polarizing plate including a polarizer and a protective layer formed on at least one surface of the polarizer, wherein the protective layer is formed of a cured product of a radically curable composition including a compound represented by the following [Chemical Formula 1]; a vinyl ether compound; a carboxylic acid compound including at least one unsaturated double bond; and a radical initiator.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: March 21, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Mi-Rin Lee, Kwang-Seung Park, Jun-Wuk Park, Eun-Soo Huh
  • Patent number: 9581735
    Abstract: A backlight unit includes a light source and a two-dimensional micro lens array (MLA) sheet including a plurality of lens unit each having a conic lens shape with a cross-section, taken through the lens axis, having a shape defined by the equation: y = x 2 / r 1 + 1 - ( 1 + k ) ? ( 1 / r ) 2 ? x 2 where k is a constant with a value of less than or equal to ?1, and r is the radius of curvature at the peak of the lens unit.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: February 28, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Byoung-Mook Kim, Kwang-Seung Park, Byung-Su Park, Yune-Hyoun Kim, Sang-Choll Han, Jin-Hyun Kim
  • Patent number: 9550918
    Abstract: There are provided a radically curable adhesive composition maintaining adhesiveness thereof even in high-humidity environments, and a polarizing plate including the radically curable adhesive composition. The radically curable adhesive composition includes: a compound represented by Formula 1; a vinyl ether-based compound; a carboxylic acid compound having at least one unsaturated double bond; and a radical initiator.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: January 24, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Mi-Rin Lee, Kwang-Seung Park, Jun-Wuk Park, Eun-Soo Huh
  • Publication number: 20160376469
    Abstract: The present invention relates to a radical-curable adhesive composition including a (A) radical-polymerizable compound having at least one hydrophilic functional group in the molecule; a (B) phosphate-based compound having three (meth)acrylic groups in the molecule; and a (C) radical initiator, and a polarizing plate and an optical member including the radical-curable adhesive composition.
    Type: Application
    Filed: September 29, 2014
    Publication date: December 29, 2016
    Inventors: Eun-Soo HUH, Kwang-Seung PARK, Mi-Rin LEE, Jun-Wuk PARK
  • Patent number: 9500779
    Abstract: There is provided a polarizing plate including a polarizer and a protective layer formed on at least one surface of the polarizer. The protective layer is formed of a cured product of a radically curable composition including: a first compound represented by Formula 1; a second compound including at least one carboxy group; and a radical initiator.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: November 22, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Kwang-Seung Park, Mi-Rin Lee, Jun-Wuk Park, Eun-Soo Huh
  • Patent number: 9453150
    Abstract: The present invention relates to a radical-curable adhesive composition including a first compound represented by the following [Chemical Formula I]; a radical-curable second compound having two or more benzene rings, (meth)acryloyl groups and carboxyl groups each in the molecule; and a radical initiator, and a polarizing plate including the radical-curable adhesive composition.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: September 27, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Kwang-Seung Park, Mi-Rin Lee, Jun-Wuk Park, Eun-Soo Huh
  • Patent number: 9442223
    Abstract: The present invention relates to a polarizing plate including a polarizer; and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition including (A) a first compound represented by [Formula 1], (B) a radical curable second compound having two or more of each of a benzene ring, a (meth)acryloyl group, and a carboxy group in a molecule thereof, and (C) a radical initiator, and an image display device including the same.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: September 13, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Kwang-Seung Park, Mi-Rin Lee, Jun-Wuk Park, Eun-Soo Huh
  • Publication number: 20160244645
    Abstract: The present invention relates to a radical-curable adhesive composition including a first compound represented by [Chemical Formula I]; a radical-curable second compound including at least one carboxyl group conjugated with a carbon-carbon unsaturated double bond present in the side chain in the molecule; and a radical initiator, and a polarizing plate including the radical-curable adhesive composition.
    Type: Application
    Filed: September 19, 2014
    Publication date: August 25, 2016
    Inventors: Mi Rin LEE, Kwang Seung PARK, Jun Wuk Park, Eunsoo HUH
  • Publication number: 20160244640
    Abstract: There are provided a radically curable adhesive composition maintaining adhesiveness thereof even in high-humidity environments, and a polarizing plate including the radically curable adhesive composition. The radically curable adhesive composition includes: a compound represented by Formula 1; a vinyl ether-based compound; a carboxylic acid compound having at least one unsaturated double bond; and a radical initiator.
    Type: Application
    Filed: June 16, 2014
    Publication date: August 25, 2016
    Inventors: Mi-Rin LEE, Kwang-Seung PARK, Jun-Wuk PARK, Eun-Soo HUH
  • Publication number: 20160245959
    Abstract: The present invention relates to a polarizing plate including: a polarizer; and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition including: (A) a radical polymerizable compound including at least one hydrophilic functional group in a molecule thereof; (B) a multifunctional (meth)acrylic compound; (C) a phosphate compound including one or two (meth)acryl groups in a molecule thereof; and (D) a radical initiator, and an image display device including the same.
    Type: Application
    Filed: September 29, 2014
    Publication date: August 25, 2016
    Inventors: Eun-Soo HUH, Kwang-Seung PARK, Mi-Rin LEE, Jun-Wuk PARK
  • Publication number: 20160245957
    Abstract: The present invention relates to a polarizing plate including: a polarizer; and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition including: (A) an acid anhydride-based compound having at least one unsaturated double bond between carbons; (B) a vinyl-based compound having at least one electron donor group; (C) a radical initiator; and (D) a cation generator, and an image display device including the same.
    Type: Application
    Filed: September 19, 2014
    Publication date: August 25, 2016
    Inventors: Kwang-Seung PARK, Mi-Rin LEE, Jun-Wuk PARK, Eun-Soo HUH