Patents by Inventor Eun Soo Huh

Eun Soo Huh 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: 20210011210
    Abstract: Provided is a circularly polarizing plate and a display device that includes the circularly polarizing plate. The circularly polarizing plate can be applied to a display device such as an organic light emitting display device to minimize blocking of light in the visible light region affecting image quality while blocking harmful ultraviolet rays appropriately and also has excellent durability.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 14, 2021
    Inventors: Sun Kug KIM, Moon Soo PARK, Sin Young KIM, Hyuk YOON, Eun Soo HUH, Jong Hyun JUNG
  • Patent number: 10228491
    Abstract: The present invention relates to a radical-curable adhesive composition including a radical-polymerizable first compound that includes at least two hydroxyl groups in the molecule, and having hydroxyl value of 500 mg KOH/g or greater, and a polarizing plate and an optical member including the radical-curable adhesive composition.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: March 12, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Soo Huh, Kwang-Seung Park, Mi-Rin Lee, Sung-Hyun Kim, Jun-Wuk Park
  • Patent number: 10156667
    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) a first compound represented by the following [Formula 1]; (B) a radical curable second compound including at least one carboxyl group conjugated to an unsaturated double bond between carbons present at a side chain in a molecule thereof; and (C) a radical curable composition including a radical initiator, and a liquid crystal display device including the same.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: December 18, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Mi Rin Lee, Kwang Seung Park, Jun Wuk Park, Eun Soo Huh
  • Patent number: 10132976
    Abstract: The present invention relates to a polarizing plate including: a polarizer; a first protective layer formed on at least one surface of the polarizer; and a second protective layer formed on a surface opposite to a surface adjacent to a polarizer of the first protective layer, in which the first protective layer is a cured product of a radical curable composition, and the second protective layer is a cured product of a cationic curable composition, a manufacturing method thereof, and an image display device including the same.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: November 20, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Kwang-Seung Park, Hae-Sung Cho, Hyun-Hee Son, Kyun-Il Rah, Jun-Wuk Park, Eun-Soo Huh, Mi-Rin Lee, Sung-Hyun Jeon
  • Patent number: 10072183
    Abstract: The present invention relates to a radical-curable adhesive composition including a (A) radical-polymerizable compound that includes at least one hydrophilic functional group in the molecule in greater than 30 parts by weight and less than or equal to 93 parts by weight; a (B) multifunctional (meth)acryl-based compound in 5 to 40 parts by weight; a (C) phosphate compound that includes one or two (meth)acrylic groups in the molecule in 1 to 40 parts by weight; and a (D) radical initiator in 0.5 to 20 parts by weight, with respect to 100 parts by weight of the radical-curable adhesive composition, and a polarizing plate and an optical member including the radical-curable adhesive composition.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: September 11, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Soo Huh, Kwang-Seung Park, Mi-Rin Lee, Jun-Wuk Park
  • Patent number: 10012772
    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: Grant
    Filed: September 29, 2014
    Date of Patent: July 3, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Soo Huh, Kwang-Seung Park, Mi-Rin Lee, Jun-Wuk Park
  • Patent number: 9969906
    Abstract: The present invention relates to a radical-curable adhesive composition including an acid anhydride-based compound having at least one carbon-carbon unsaturated double bond, a vinyl-based compound having at least one electron donor group, a radical initiator, and a cation generator, wherein the content of the acid anhydride-based compound and the vinyl-based compound is 0.8 to 1.0 by an equivalence ratio of mixing represented by the following Equation (1), and a polarizing plate and an optical member including the radical-curable adhesive composition: Equivalence Ratio of Mixing=M/N,??Equation(1): and in Equation (1), M is the number of carbon-carbon unsaturated double bonds capable of participating in polymerization in the molecule including an acid anhydride group included in the acid anhydride-based compound; and N is the number of carbon-carbon unsaturated double bonds capable of participating in polymerization in the molecule included in the vinyl-based compound.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: May 15, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Kwang-Seung Park, Mi-Rin Lee, Jun-Wuk Park, Eun-Soo Huh
  • Patent number: 9971066
    Abstract: The present disclosure relates 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 composition for a polarizing plate protective layer, including a curable compound, a non-curable polymer, and a polymerization initiator, the curable compound being at least one selected from a group consisting of a compound including a functional group containing at least one of O, N and F atoms and having an ethylenically unsaturated bond and a ring-opening polymerizable compound, and the non-curable polymer including a functional group containing at least one of O, N and F atoms in a side chain thereof.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: May 15, 2018
    Assignee: LG Chem, Ltd
    Inventors: Kwang-Seung Park, Hae-Sung Cho, Hyun-Hee Son, Nam-Jeong Lee, Jun-Wuk Park, Eun-Soo Huh, Mi-Rin Lee, Sung-Hyun Jeon
  • Patent number: 9971067
    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: Grant
    Filed: September 19, 2014
    Date of Patent: May 15, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Kwang-Seung Park, Mi-Rin Lee, Jun-Wuk Park, Eun-Soo Huh
  • 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
  • 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: 9733511
    Abstract: Provided are a polarizing plate and a liquid crystal display device. The polarizing plate has lighter weight, a smaller thickness, and excellent physical properties such as water resistance, workability, durability, and light leakage preventing ability. In addition, the polarizing plate prevents curling occurring at the polarizing plate or a polarizer in formation thereof, and has excellent thermal resistance or thermal shock resistance.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: August 15, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Eun Soo Huh, Ki Ok Kwon, In Ho Hwang, Kyun Il Rah, Min Ki Lee, Sae Han 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
  • Publication number: 20170210915
    Abstract: The present invention relates to a resin composition for a polarizer protective film, a polarizer protective film, and a polarizing plate comprising the same, and more specifically, to a resin composition for a polarizer protective film, a polarizer protective film; and a polarizing plate comprising the same, which exhibit high hardness and excellent characteristics. The polarizing plate according to the present invention exhibits high hardness, excellent curl properties, and optical properties and thus may be usefully applied in various fields.
    Type: Application
    Filed: July 30, 2015
    Publication date: July 27, 2017
    Inventors: Han Na LEE, Yeong Rae CHANG, Jun Wuk PARK, Eun Soo HUH
  • Patent number: 9703138
    Abstract: Provided are a polarizing plate and a liquid crystal display device. The polarizing plate has lighter weight, a smaller thickness, and excellent physical properties such as water resistance, workability, durability, and light leakage preventing ability. In addition, the polarizing plate prevents curling occurring at the polarizing plate or a polarizer in formation thereof, and has excellent thermal resistance or thermal shock resistance.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: July 11, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Eun Soo Huh, Ki Ok Kwon, In Ho Hwang, Kyun Il Rah, Min Ki Lee, Sae Han 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: 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