Patents by Inventor Jun-Wuk Park

Jun-Wuk 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).

  • Patent number: 9487685
    Abstract: The present invention relates to an adhesive composition including 100 parts by weight of a first epoxy compound having a glass transition temperature of a homopolymer of not less than 120° C., 30 parts by weight to 100 parts by weight of a second epoxy compound having a glass transition temperature of a homopolymer of not more than 60° C., and 0.5 parts by weight to 20 parts by weight of a cationic photopolymerization initiator, and a polarizing plate using the same.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: November 8, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Mi Seo, Eun-Soo Huh, Nam-Jeong Lee, Hwa-Sub Shim, Kyun-II Rah, Jun-Wuk Park, Jee-Hyon Min, Yi-Rang Lim
  • Patent number: 9477014
    Abstract: The present invention relates to a protective film including: a transparent film, a coating layer formed on one surface of the transparent film, and a primer layer formed on the other surface of the transparent film, wherein the coating layer is formed using a coating composition including a first polymer resin, a first cross-linking agent and first water dispersible particles, and the primer layer is formed using a primer composition including a second polymer resin and second water dispersible particles, as well as including a second cross-linking agent in an amount, including 0% by weight, and lower than that of the first cross-linking agent, and a polarizing plate including the same.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: October 25, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Yi-Rang Lim, Hwa-Sub Shim, Jun-Wuk Park, Nam-Jeong Lee, Kyoung-Won Kim
  • 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: 9448347
    Abstract: The present disclosure relates to a polarizing plate including: a polarizer; an acrylic film attached to at least one surface of the polarizer via an adhesive layer; and a primer layer formed on at least one surface of the acrylic film, wherein the primer layer is formed of a primer composition including a water dispersible resin containing a sulfonic acid group, water dispersible particles, and water, and a weight ratio of the water dispersible resin to the water dispersible particles is in a range of 1:0.01 to 5:1.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: September 20, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Hwa-Sub Shim, Yi-Rang Lim, Jun-Wuk Park, Kyoung-Won Kim, Sung-Hyun Jeon
  • Publication number: 20160266293
    Abstract: There are provided a high brightness polarizing plate and a liquid crystal display device including the high brightness polarizing plate as a lower polarizing plate. The high brightness polarizing plate includes: a polarizer; and a protective film disposed on a side of the polarizer, wherein the protective film faces a backlight unit, and a primer layer including a low-refractive polymer resin and fine hollow particles is formed on a side of the protective film opposite to a side thereof facing the polarizer.
    Type: Application
    Filed: July 24, 2014
    Publication date: September 15, 2016
    Inventors: Kyung-Ki Hong, Jae-Ho Jung, Jun-Wuk Park, Byung-Ming Lee, Jae-Hoon Shim, Je-Hyuk Yoo
  • 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: 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: 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: 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
  • Publication number: 20160245958
    Abstract: The present invention relates to an acryl-based film that includes a first primer layer including a water-dispersible polyurethane resin formed on one surface, and a second primer layer including at least one or more types of a water-dispersible polyester-based resin, a water-dispersible acryl-based resin and a water-dispersible polyester acryl-based resin formed on the opposite surface, and a polarizing plate including the same.
    Type: Application
    Filed: September 23, 2014
    Publication date: August 25, 2016
    Inventors: Yirang LIM, Hwa Sub SHIM, Kyoung Won KIM, Sung Hyun JEON, Jun Wuk PARK
  • Publication number: 20160244646
    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: 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: 20160238742
    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: Application
    Filed: September 29, 2014
    Publication date: August 18, 2016
    Inventors: Eun-Soo HUH, Kwang-Seung PARK, Mi-Rin LEE, Sung-Hyun KIM, Jun-Wuk PARK
  • Publication number: 20160238744
    Abstract: The present invention relates to an optical film including an acryl-based film; and a functional coating layer formed on at least one surface of the acryl-based film, containing a conductive material and a water-dispersible resin and having surface resistance of 109 W/Sq to 1019 W/Sq.
    Type: Application
    Filed: September 26, 2014
    Publication date: August 18, 2016
    Inventors: Kyoung-Won KIM, Nam-Jeong LEE, Hwa-Sub SHIM, Jun-Wuk PARK, Yi-Rang LIM
  • Publication number: 20160237284
    Abstract: The present invention relates to an optical film including: a base material film; and a primer layer containing a polyester resin and water-dispersible minute particulates on at least one surface of the base material film and having a refractive index difference of 0.03 or less from the base material film, in which the polyester resin includes polyester glycol formed by a reaction of polybasic acid including an aromatic carboxylic acid compound and an aliphatic carboxylic acid compound at a mole ratio of 1:9 to 9:1 and polyol, adhesion force between the optical film and a functional coating layer is excellent, and a rainbow phenomenon is reduced and an optical property is excellent due to a small refractive index difference.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 18, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Hwa-Sub SHIM, Jun-Wuk PARK, Yi-Rang LIM, Kyoung-Won KIM
  • Publication number: 20160237317
    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: Application
    Filed: September 19, 2014
    Publication date: August 18, 2016
    Inventors: Kwang-Seung PARK, Mi-Rin LEE, Jun-Wuk PARK, Eun-Soo HUH
  • Publication number: 20160238767
    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: Application
    Filed: September 24, 2014
    Publication date: August 18, 2016
    Inventors: Kwang-Seung PARK, Hae-Sung CHO, Hyun-Hee SON, Kyun-ll RAH, Jun-Wuk PARK, Eun-Soo HUH, Mi-Rin LEE, Sung-Hyun JEON
  • Publication number: 20160238745
    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: Application
    Filed: June 13, 2014
    Publication date: August 18, 2016
    Inventors: Mi-Rin LEE, Kwang-Seung PARK, Jun-Wuk PARK, Eun-Soo HUH
  • Publication number: 20160230053
    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: Application
    Filed: September 29, 2014
    Publication date: August 11, 2016
    Inventors: Eun-Soo HUH, Kwang-Seung PARK, Mi-Rin LEE, Sung-Hyun KIM, Jun-Wuk PARK
  • Publication number: 20160231484
    Abstract: The present disclosure relates to a polarizing plate including: a polarizer; an acrylic film attached to at least one surface of the polarizer via an adhesive layer; and a primer layer formed on at least one surface of the acrylic film, wherein the primer layer is formed of a primer composition including a water dispersible resin containing a sulfonic acid group, water dispersible particles, and water, and a weight ratio of the water dispersible resin to the water dispersible particles is in a range of 1:0.01 to 5:1.
    Type: Application
    Filed: May 13, 2014
    Publication date: August 11, 2016
    Inventors: Hwa-Sub SHIM, Yi-Rang LIM, Jun-Wuk PARK, Kyoung-Won KIM, Sung-Hyun JEON