Patents by Inventor Yi-Rang Lim

Yi-Rang Lim 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: 12128117
    Abstract: The present specification describes a method for manufacturing porous inorganic particles and a light-reflecting composition comprising porous inorganic particles. According to an embodiment of the present disclosure it is possible to provide a method for manufacturing porous inorganic particles capable of selective transmission or scattering of light having a specific wavelength range by controlling pore size and shell thickness.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: October 29, 2024
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Yan Li, Soojin Lee, Yongjin Kim, Gi-Ra Yi, Yi-Rang Lim, Seung-hyun Kim
  • Patent number: 11390530
    Abstract: A method for preparing porous inorganic particles is disclosed. The method includes the steps of: (a) preparing an emulsion comprising an inorganic precursor and a polar solvent; (b) adding an organic solvent to the emulsion of step (a) to swell emulsion particles; (c) mixing the swollen emulsion of step (b) with polymer particles having a positive charge on the surface thereof; (d) adding a surfactant to the mixture of step (c) and removing the organic solvent; (e) adding an initiator to the result of step (d) to polymerize the same; and (f) firing the result of step (e) to remove the polymer particles so as to form macropores.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: July 19, 2022
    Assignee: Amorepacific Cornoration
    Inventors: Yan Li, Hyunsuk Lee, Jaewon Yoo, Yongjin Kim, Gi-Ra Yi, Yi-Rang Lim, Seung-hyun Kim
  • Publication number: 20210244630
    Abstract: The present specification describes a method for manufacturing porous inorganic particles and a light-reflecting composition comprising porous inorganic particles. According to an embodiment of the present disclosure it is possible to provide a method for manufacturing porous inorganic particles capable of selective transmission or scattering of light having a specific wavelength range by controlling pore size and shell thickness.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 12, 2021
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Yan LI, Soojin LEE, Yongjin KIM, Gi-Ra YI, Yi-Rang LIM, Seung-hyun KIM
  • Publication number: 20210155487
    Abstract: A method for preparing porous inorganic particles is disclosed. The method includes the steps of: (a) preparing an emulsion comprising an inorganic precursor and a polar solvent; (b) adding an organic solvent to the emulsion of step (a) to swell emulsion particles; (c) mixing the swollen emulsion of step (b) with polymer particles having a positive charge on the surface thereof; (d) adding a surfactant to the mixture of step (c) and removing the organic solvent; (e) adding an initiator to the result of step (d) to polymerize the same; and (f) firing the result of step (e) to remove the polymer particles so as to form macropores.
    Type: Application
    Filed: May 30, 2018
    Publication date: May 27, 2021
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Yan LI, Hyunsuk LEE, Jaewon YOO, Yongjin KIM, Gi-Ra YI, Yi-Rang LIM, Seung-hyun KIM
  • Patent number: 10209407
    Abstract: There is provided an optical film including an acrylic film, and a functional coating layer formed on at least one side of the acrylic film. The functional coating layer includes a water-dispersible resin and at least two kinds of fine particles having different average particle sizes.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: February 19, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jun-Wuk Park, Yi-Rang Lim, Nam-Jeong Lee, Hwa-Sub Shim
  • Patent number: 10144831
    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: Grant
    Filed: September 30, 2014
    Date of Patent: December 4, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hwa-Sub Shim, Jun-Wuk Park, Yi-Rang Lim, Kyoung-Won Kim
  • Patent number: 9715045
    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 1013 W/Sq.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: July 25, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Kyoung-Won Kim, Nam-Jeong Lee, Hwa-Sub Shim, Jun-Wuk Park, Yi-Rang Lim
  • Patent number: 9523792
    Abstract: A double-sided polarizer includes a polarizing film, a first adhesive layer formed on one surface of the polarizing film, a second adhesive layer formed on the other surface of the polarizing film, a first transparent film formed on the first adhesive layer, and a second transparent film formed on the second adhesive layer, wherein the first adhesive layer and the second adhesive layer are formed of an active energy line-curable adhesive and the first adhesive layer is 0.1 ?m to 3 ?m thick, and there is also provided an optical device including the double-sided polarizer.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: December 20, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Mi Seo, Hwa-Sub Shim, Jee-Hyon Min, Nam-Jeong Lee, Kyun-Il Rah, Jun-Wuk Park, Eun Soo Huh, Yi-Rang Lim
  • 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: 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: 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: 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
  • Patent number: 9110244
    Abstract: There is provided a polyester-based primer composition including 100 parts by weight of a polyester resin, 1 to 20 parts by weight of water-dispersible particles, and water as a remainder. Since a polyester-based primer composition of the present disclosure is excellent in water resistance and solvent resistance differently from a urethane primer composition, the polyester-based primer composition may obtain sufficient adhesive strength between a protection film and a functional coating layer even without assistance from additives such as a cross-linking agent, and may retain stable adhesive strength for a long period of time.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: August 18, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Hwa-Sub Shim, Yi-Rang Lim, Jun-Wuk Park, Kyoung-Won Kim, Sung-Hyun Jeon
  • Publication number: 20150160378
    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: Application
    Filed: May 31, 2013
    Publication date: June 11, 2015
    Inventors: Yi-Rang Lim, Hwa-Sub Shim, Jun-Wuk Park, Nam-Jeong Lee, Kyoung-Won Kim
  • Patent number: 8968862
    Abstract: A double-sided polarizer includes a polarizing film, a first adhesive layer formed on one surface of the polarizing film, a second adhesive layer formed on the other surface of the polarizing film, a first transparent film formed on the first adhesive layer, and a second transparent film formed on the second adhesive layer, wherein the first adhesive layer and the second adhesive layer are formed of an active energy line-curable adhesive and the first adhesive layer is 0.1 ?m to 3 ?m thick, and there is also provided an optical device including the double-sided polarizer.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: March 3, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Mi Seo, Hwa-Sub Shim, Jee-Hyon Min, Nam-Jeong Lee, Kyun-Il Rah, Jun-Wuk Park, Eun-Soo Huh, Yi-Rang Lim
  • Publication number: 20140333999
    Abstract: There is provided a polyester-based primer composition including 100 parts by weight of a polyester resin, 1 to 20 parts by weight of water-dispersible particles, and water as a remainder. Since a polyester-based primer composition of the present disclosure is excellent in water resistance and solvent resistance differently from a urethane primer composition, the polyester-based primer composition may obtain sufficient adhesive strength between a protection film and a functional coating layer even without assistance from additives such as a cross-linking agent, and may retain stable adhesive strength for a long period of time.
    Type: Application
    Filed: December 20, 2013
    Publication date: November 13, 2014
    Inventors: Hwa-Sub Shim, Yi-Rang Lim, Jun-Wuk Park, Kyoung-Won Kim, Sung-Hyun Jeon
  • Publication number: 20140106149
    Abstract: A double-sided polarizer includes a polarizing film, a first adhesive layer formed on one surface of the polarizing film, a second adhesive layer formed on the other surface of the polarizing film, a first transparent film formed on the first adhesive layer, and a second transparent film formed on the second adhesive layer, wherein the first adhesive layer and the second adhesive layer are formed of an active energy line-curable adhesive and the first adhesive layer is 0.1 ?m to 3 ?m thick, and there is also provided an optical device including the double-sided polarizer.
    Type: Application
    Filed: October 12, 2012
    Publication date: April 17, 2014
    Applicant: LG CHEM, LTC.
    Inventors: Eun-Mi Seo, Hwa-Sub Shim, Jee-Hyon Min, Nam-Jeong Lee, Kyun-II Rah, Jun-Wuk Park, Eun-Soo Huh, Yi-Rang Lim
  • Publication number: 20140072731
    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: Application
    Filed: October 12, 2012
    Publication date: March 13, 2014
    Applicant: 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