Patents by Inventor Yoo Jin SUH

Yoo Jin SUH 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: 20220220344
    Abstract: Provided are a silicone-based adhesive protection film and an optical member comprising same, the silicone-based adhesive protection film being formed of a composition comprising an alkenyl group-bearing organic polysiloxane mixture, an organic polysiloxane resin, a crosslinker, and a hydrosylication catalyst, wherein the alkenyl group-bearing organic polysiloxane mixture comprises component (i) and component (ii), and the organic polysiloxane resin comprises at least one of organic polysiloxane resins, each bearing a R1R2R3SiO1/2 unit (R1, R2, and R3 are each independently an alkyl group of 1 to 6 carbon atoms or an alkenyl group of 2 to 10 carbon atoms) and a SiO4/2 unit.
    Type: Application
    Filed: April 24, 2020
    Publication date: July 14, 2022
    Inventors: Irina NAM, Dong Il HAN, Won KIM, Young Hoon KIM, Il Jin KIM, Hyun Seung KIM, Tae Ji KIM, Bong Soo PARK, Yoo Jin SUH
  • Publication number: 20220206190
    Abstract: Provided are a silicone-based adhesive protection film and an optical member comprising same, the protection film being formed of a composition comprising an alkenyl group-containing organic polysiloxane, an organic polysiloxane resin, a siloxane-based ionic compound, a cross-linking agent, and a hydrosilylation catalyst, wherein the organic polysiloxane resin includes an organic polysiloxane resin comprising a R1R2R3SiO1/2 unit (R1, R2, and R3 are each independently an alkyl group having 1 to 6 carbon atoms) and a SiO4/2 unit.
    Type: Application
    Filed: April 22, 2020
    Publication date: June 30, 2022
    Inventors: Yoo Jin SUH, Tae Ji KIM, Won KIM, Il Jin KIM, Bong Soo PARK
  • Patent number: 11237311
    Abstract: A polarizing plate includes a polarizing film, a first adhesive layer or a bonding layer, a retardation layer, and a third adhesive layer, and includes: a UV absorber comprising an indole UV absorber, a phenylbenzotriazole UV absorber, and/or a triazine UV absorber, wherein the UV absorber has a maximum absorption wavelength of 370 nm or higher, the polarizing plate has a light transmittance of 5% or less in a wavelength range of about 400 nm to about 405 nm and a light transmittance of 35% or higher in a wavelength range of about 440 nm to about 450 nm, the first adhesive layer has a modulus of 1×105 Pa or higher at 80° C. and a modulus of 1×105 Pa or higher at 30° C., and the third adhesive layer has a modulus of 5×104 Pa to 1×106 Pa at 80° C. and a modulus of 1×105 Pa to 3×106 Pa at 30° C.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: February 1, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seung Jun Lee, Woo Jin Jeong, Yoo Jin Suh, Ha Yun Cho, Han Joo Choi, In Cheon Han
  • Patent number: 10071538
    Abstract: An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition for polarizing plates, which includes a non-carboxylic acid (meth)acrylic copolymer, an isocyanate curing agent, and an epoxy curing agent, wherein the adhesive film has a modulus at 85° C. of about 0.1 MPa to about 0.8 MPa and a modulus ratio of about 3 or less, as calculated by the equation, Modulus ratio=G?(25° C.)/G?(85° C.), where G?(25° C.) is modulus (unit: MPa) at 25° C. of an adhesive film and G?(85° C.) is modulus (unit: MPa) at 85° C. of the adhesive film.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: September 11, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Eun Hwan Jeong, Yi Eun Kim, Yoo Jin Suh, In Cheon Han
  • Publication number: 20180203174
    Abstract: A polarizing plate includes a polarizing film, a first adhesive layer or a bonding layer, a retardation layer, and a third adhesive layer, and includes: a UV absorber comprising an indole UV absorber, a phenylbenzotriazole UV absorber, and/or a triazine UV absorber, wherein the UV absorber has a maximum absorption wavelength of 370 nm or higher, the polarizing plate has a light transmittance of 5% or less in a wavelength range of about 400 nm to about 405 nm and a light transmittance of 35% or higher in a wavelength range of about 440 nm to about 450 nm, the first adhesive layer has a modulus of 1×105 Pa or higher at 80° C. and a modulus of 1×105 Pa or higher at 30° C., and the third adhesive layer has a modulus of 5×104 Pa to 1×106 Pa at 80° C. and a modulus of 1×105 Pa to 3×106 Pa at 30° C.
    Type: Application
    Filed: January 12, 2018
    Publication date: July 19, 2018
    Inventors: Seung Jun LEE, Woo Jin JEONG, Yoo Jin SUH, Ha Yun CHO, Han Joo CHOI, In Cheon HAN
  • Patent number: 9798060
    Abstract: An adhesive film for a polarizing plate includes a functional group represented by Formula 1: wherein * represents a binding site; A is a C1 to C20 aliphatic hydrocarbon group; B is —O—, —S—, a C1 to C20 aliphatic hydrocarbon group, or a single bond; R2 is a C1 to C20 aliphatic hydrocarbon group; and n is an integer from 1 to 5.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: October 24, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Won Kim, Yi Eun Kim, Yoo Jin Suh, Seung Jun Lee, Ha Yun Cho, In Cheon Han
  • Patent number: 9624403
    Abstract: An adhesive film for polarizing plates has a K value of about 0.2 to about 0.5, as calculated by Equation 1. A polarizing plate includes the adhesive film for polarizing plates. An optical display includes the polarizing plate. The adhesive films for polarizing plates according to embodiments of the invention suppress light leakage due to dimensional changes in the polarizing plates at high temperature and/or high humidity.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: April 18, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Won Kim, Yi Eun Kim, Yoo Jin Suh, Chul Jeong, Ha Yun Cho, In Cheon Han
  • Publication number: 20170029665
    Abstract: An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition for polarizing plates, which includes a non-carboxylic acid (meth)acrylic copolymer, an isocyanate curing agent, and an epoxy curing agent, wherein the adhesive film has a modulus at 85° C. of about 0.1 MPa to about 0.8 MPa and a modulus ratio of about 3 or less, as calculated by the equation, Modulus ratio=G?(25° C.)/G?(85° C.), where G?(25° C.) is modulus (unit: MPa) at 25° C. of an adhesive film and G?(85° C.) is modulus (unit: MPa) at 85° C. of the adhesive film.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 2, 2017
    Inventors: Eun Hwan Jeong, Yi Eun Kim, Yoo Jin Suh, In Cheon Han
  • Patent number: 9434860
    Abstract: An adhesive composition for a polarizing plate, an adhesive film formed from the same, a polarizing plate including the same, and an optical display including the same are disclosed. The adhesive film for a polarizing plate is formed from an adhesive composition including an epoxy compound and a (meth)acrylate compound, and the adhesive film has an FT-IR peak ratio of about 0.015 or lower as defined by Equation 1. Equation 1 FT-IR peak ratio=B/A??(1) In Equation 1, A is the peak height of the peak attributable to the —(C?O)— bond at 1724 cm?1, and B is the peak height of the peak attributable to the —CH?CH— bond at 1636 cm?1.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: September 6, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Mi Yeon Yu, Yoo Jin Suh, Do Heon Lee, Seung Hoon Lee, Tae Hyun Lee, Ri Ra Jung, Woo Jin Jeong, In Cheon Han
  • Patent number: 9382456
    Abstract: An adhesive film for polarizing plates includes a cured product of a composition including a (meth)acrylic copolymer and a cross-linking agent, and has a peel strength ratio of about 6 or more, as represented by Equation 1. An adhesive composition for the adhesive film, a polarizing plate including the adhesive film, and an optical display including the adhesive film are also described.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: July 5, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yi Eun Kim, Won Kim, Yoo Jin Suh, Seung Jun Lee, In Cheon Han
  • Publication number: 20160115355
    Abstract: An adhesive film for polarizing plates has a K value of about 0.2 to about 0.5, as calculated by Equation 1. A polarizing plate includes the adhesive film for polarizing plates. An optical display includes the polarizing plate. The adhesive films for polarizing plates according to embodiments of the invention suppress light leakage due to dimensional changes in the polarizing plates at high temperature and/or high humidity.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 28, 2016
    Inventors: Won Kim, Yi Eun Kim, Yoo Jin Suh, Chul Jeong, Ha Yun Cho, In Cheon Han
  • Patent number: 9296929
    Abstract: An optical member, an optical adhesive, and a display apparatus, the optical member including a transparent conductive film; an optical adhesive layer on the transparent conductive film; and a polarizer plate stacked on the optical adhesive layer, wherein a surface resistance difference Rs2?Rs1 of a specimen including the optical adhesive layer is less than about 0.2?, the specimen being prepared by manufacturing the polarizer plate having the optical adhesive layer thereon and stacking two transparent conductive films on opposite upper sides of the optical adhesive layer, where Rs1 is an initial surface resistance of the specimen and Rs2 is a surface resistance of the specimen kept at 70° C. and 95% RH for 48 hours.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: March 29, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Woo Jin Jeong, Da Hee Lee, Yi Eun Kim, Yoo Jin Suh
  • Publication number: 20150315431
    Abstract: An adhesive composition for a polarizing plate, an adhesive film formed from the same, a polarizing plate including the same, and an optical display including the same are disclosed. The adhesive film for a polarizing plate is formed from an adhesive composition including an epoxy compound and a (meth)acrylate compound, and the adhesive film has an FT-IR peak ratio of about 0.015 or lower as defined by Equation 1. Equation 1 FT-IR peak ratio=B/A??(1) In Equation 1, A is the peak height of the peak attributable to the —(C?O)— bond at 1724 cm?1, and B is the peak height of the peak attributable to the —CH?CH— bond at 1636 cm?1.
    Type: Application
    Filed: April 29, 2015
    Publication date: November 5, 2015
    Inventors: Mi Yeon Yu, Yoo Jin Suh, Do Heon Lee, Seung Hoon Lee, Tae Hyun Lee, Ri Ra Jung, Woo Jin Jeong, In Cheon Han
  • Publication number: 20150055219
    Abstract: An adhesive film for a polarizing plate includes a functional group represented by Formula 1: wherein * represents a binding site; A is a C1 to C20 aliphatic hydrocarbon group; B is —O—, —S—, a C1 to C20 aliphatic hydrocarbon group, or a single bond; R2 is a C1 to C20 aliphatic hydrocarbon group; and n is an integer from 1 to 5.
    Type: Application
    Filed: August 18, 2014
    Publication date: February 26, 2015
    Inventors: Won KIM, Yi Eun KIM, Yoo Jin SUH, Seung Jun LEE, Ha Yun CHO, In Cheon HAN
  • Publication number: 20140378614
    Abstract: An adhesive film for polarizing plates includes a cured product of a composition including a (meth)acrylic copolymer and a cross-linking agent, and has a peel strength ratio of about 6 or more, as represented by Equation 1. An adhesive composition for the adhesive film, a polarizing plate including the adhesive film, and an optical display including the adhesive film are also described.
    Type: Application
    Filed: June 19, 2014
    Publication date: December 25, 2014
    Inventors: Yi Eun Kim, Won Kim, Yoo Jin Suh, Seung Jun Lee, In Cheon Han
  • Publication number: 20130141786
    Abstract: An optical member, an optical adhesive, and a display apparatus, the optical member including a transparent conductive film; an optical adhesive layer on the transparent conductive film; and a polarizer plate stacked on the optical adhesive layer, wherein a surface resistance difference Rs2?Rs1 of a specimen including the optical adhesive layer is less than about 0.2?, the specimen being prepared by manufacturing the polarizer plate having the optical adhesive layer thereon and stacking two transparent conductive films on opposite upper sides of the optical adhesive layer, where Rs1 is an initial surface resistance of the specimen and Rs2 is a surface resistance of the specimen kept at 70° C. and 95% RH for 48 hours.
    Type: Application
    Filed: December 3, 2012
    Publication date: June 6, 2013
    Inventors: Woo Jin JEONG, Da Hee LEE, Yi Eun KIM, Yoo Jin SUH