Patents by Inventor Oh Hyeon HWANG

Oh Hyeon HWANG 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: 11958993
    Abstract: Disclosed herein are an adhesive protective film, an optical member including the same, and an optical display including the same. An adhesive protective film is formed of a composition including a (meth)acrylic binder derived from a monomer mixture including: an alkyl group-containing (meth)acrylic monomer; and at least one selected from among a hydroxyl group-containing (meth)acrylic monomer, a carboxyl group-containing (meth)acrylic monomer, and a polysiloxane (meth)acrylate, the adhesive protective film having an initial peel strength of about 100 gf/inch or less and a peel strength decrease rate of about 50% or less, as calculated according to Equation 1.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: April 16, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Irina Nam, Tae Ji Kim, Won Kim, Il Jin Kim, Jung Hyo Lee, Oh Hyeon Hwang
  • Patent number: 11781040
    Abstract: Provided are an adhesive film and an optical member comprising same, the adhesive film comprising at least two types of (meth)acrylic monomers for a (meth)acrylic prepolymer, and (meth)acrylate containing silicon, wherein the release force of the adhesive film with respect to a polyimide film is approximately 0.5 gf/in to 5 gf/in.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: October 10, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Ho Kim, Tae Ji Kim, Jung Hyo Lee, Il Jin Kim, Dong Myeong Shin, Do Young Kim, Young Hoon Kim, Oh Hyeon Hwang
  • Publication number: 20220306911
    Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film is formed of an adhesive composition including a (meth)acrylic copolymer, a curing agent, an aromatic group-containing mono- or higher functional monomer, and an initiator, and has a peel strength increase rate of 5.0 or more, as calculated according to Equation 1 herein.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 29, 2022
    Inventors: Jung Hyo LEE, Won KIM, Tae Ji KIM, Oh Hyeon HWANG, Il Jin KIM, Dong Heon YUN, Ji Hye LEE
  • Publication number: 20220306910
    Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film is formed of an adhesive composition including a (meth)acrylic copolymer, a curing agent, a mono- or higher functional monomer, a binder having a melting point of about 30° C. to about 60° C., and an initiator, and has a peel strength increase rate of 7.0 or more, as calculated according to Equation 1 herein.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 29, 2022
    Inventors: Jung Hyo LEE, Won KIM, Oh Hyeon HWANG, Irina NAM, Il Jin KIM, Dong Heon YUN
  • Publication number: 20220306915
    Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film is formed of an adhesive composition including a (meth)acrylic copolymer, a curing agent, a mono- or higher functional monomer, a light-to-heat conversion material, and an initiator, and has a peel strength increase rate of 5.0 or more, as calculated according to Equation 1 herein.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 29, 2022
    Inventors: Jung Hyo LEE, Won KIM, Tae Ji KIM, Oh Hyeon HWANG, Irina NAM, Il Jin KIM
  • Patent number: 11219125
    Abstract: Provided are a transparent conductor and a display device including the same, the transparent conductor including: a substrate layer; and a transparent conductive pattern layer formed on the substrate layer, and the transparent conductive pattern layer includes a plurality of conductive areas and non-conductive areas, the non-conductive areas are formed every between neighboring conductive areas, the non-conductive area in the transparent conductive pattern layer has a deviation as calculated by Equation 1 herein, which has a value larger than about 1 and equal to or smaller than about 1.25, and the non-conductive areas have a minimum line width of 40 ?m or less.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: January 4, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Oh Hyeon Hwang, Dong Myeong Shin, Ji Young Han, Do Young Kim, Young Hoon Kim, Tae Ji Kim
  • Publication number: 20210371713
    Abstract: Disclosed herein are an adhesive protective film, an optical member including the same, and an optical display including the same. An adhesive protective film is formed of a composition including a (meth)acrylic binder derived from a monomer mixture including: an alkyl group-containing (meth)acrylic monomer; and at least one selected from among a hydroxyl group-containing (meth)acrylic monomer, a carboxyl group-containing (meth)acrylic monomer, and a polysiloxane (meth)acrylate, the adhesive protective film having an initial peel strength of about 100 gf/inch or less and a peel strength decrease rate of about 50% or less, as calculated according to Equation 1.
    Type: Application
    Filed: May 27, 2021
    Publication date: December 2, 2021
    Inventors: Irina NAM, Tae Ji KIM, Won KIM, Il Jin KIM, Jung Hyo LEE, Oh Hyeon HWANG
  • Publication number: 20200347269
    Abstract: Provided are an adhesive film and an optical member comprising same, the adhesive film comprising at least two types of (meth)acrylic monomers for a (meth)acrylic prepolymer, and (meth)acrylate containing silicon, wherein the release force of the adhesive film with respect to a polyimide film is approximately 0.5 gf/in to 5 gf/in.
    Type: Application
    Filed: August 30, 2018
    Publication date: November 5, 2020
    Inventors: Ji Ho KIM, Tae Ji KIM, Jung Hyo LEE, Il Jin KIM, Dong Myeong SHIN, Do Young KIM, Young Hoon KIM, Oh Hyeon HWANG
  • Publication number: 20190258334
    Abstract: Provided are a transparent conductor and a display device including the same, the transparent conductor including: a substrate layer; and a transparent conductive pattern layer formed on the substrate layer, and the transparent conductive pattern layer includes a plurality of conductive areas and non-conductive areas, the non-conductive areas are formed every between neighboring conductive areas, the non-conductive area in the transparent conductive pattern layer has a deviation as calculated by Equation 1 herein, which has a value larger than about 1 and equal to or smaller than about 1.25, and the non-conductive areas have a minimum line width of 40 ?m or less.
    Type: Application
    Filed: December 14, 2016
    Publication date: August 22, 2019
    Inventors: Oh Hyeon HWANG, Dong Myeong SHIN, Ji Young HAN, Do Young KIM, Young Hoon KIM, Tae Ji KIM
  • Patent number: 10366799
    Abstract: A transparent conductor, a method of manufacturing the same, and a display including the same, the transparent conductor including metal nanowires; and a matrix in which the metal nanowires are embedded, wherein a capping layer is formed on surfaces of the metal nanowires, the capping layer including a sulfur-containing compound, and the capping layer has a thickness of about 0.025 or less times an average diameter of the metal nanowires.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: July 30, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Do Young Kim, Kyoung Ku Kang, Dong Myeong Shin, Dae Seob Shim, Young Hoon Kim, Ji Hyeon Yim, Yong Un Jung, Oh Hyeon Hwang
  • Patent number: 10115495
    Abstract: A transparent conductor includes a base layer, and a conductive layer on an upper surface of the base layer. The conductive layer includes metal nanowires and a matrix. The transparent conductor has a reflective a* value of about ?0.3 to about +0.3 and a reflective b* value of about ?2 to about 0. The transparent conductor exhibits good optical properties and prevents (or reduces) visibility of the etching pattern of the conductive layer.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: October 30, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Do Young Kim, Young Kwon Koo, Dong Myeong Shin, Hyoung Tae Lim, Oh Hyeon Hwang, Kyoung Ku Kang
  • Patent number: 9978472
    Abstract: A transparent conductor and an optical display including the same are disclosed. The transparent conductor includes a base layer, and a transparent conductive layer formed on the base layer and including metal nanowires. The transparent conductor has a total diffuse reflection (DR) of greater than or equal to about 80% and less than 330% at a wavelength of about 380 nm to about 780 nm and a reflective b* value from about ?2 to about 1 at a wavelength of about 380 nm to about 780 nm.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: May 22, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Do Young Kim, Young Kwon Koo, Dong Myeong Shin, Hyoung Tae Lim, Oh Hyeon Hwang, Kyoung Ku Kang
  • Patent number: 9844129
    Abstract: A transparent conductor includes a base layer, and a transparent conductive film on one or both sides of the base layer, the transparent conductive film including a metal nanowire, where the base layer includes a retardation film. An optical display apparatus includes the transparent conductor. The transparent conductor may compensate for a viewing angle of the optical display apparatus.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: December 12, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Do Young Kim, Kyoung Ku Kang, Young Kwon Koo, Dong Myeong Shin, Hyoung Tae Lim, Oh Hyeon Hwang
  • Patent number: 9754698
    Abstract: A transparent conductor, a method for preparing the same, and an optical display including the same, the transparent conductor including a base layer; and a conductive layer on the base layer, the conductive layer including metal nanowires and a matrix, wherein the transparent conductor has a transmissive b* value of about 1.5 or less, and the matrix is prepared from a matrix composition including a tri-functional monomer and one of a penta-functional monomer or a hexa-functional monomer a base layer; and a conductive layer formed on the base layer and including metal nanowires and a matrix, wherein the transparent conductor has a transmissive b* value of about 1.5 or less, and the matrix is formed of a composition including a penta- or hexa-functional monomer and a tri-functional monomer.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Myeong Shin, Young Kwon Koo, Oh Hyeon Hwang, Kyoung Ku Kang, Do Young Kim, Dae Seob Shim
  • Patent number: 9674947
    Abstract: A transparent conductor, a method of fabricating the same, and an optical display, the transparent conductor including a base layer; and a conductive layer on the base layer, the conductive layer including metal nanowires and a matrix, wherein the matrix is prepared from a matrix composition, the matrix composition including inorganic hollow particles, a fluorine-containing monomer, or a mixture thereof.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: June 6, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dae Seob Shim, Young Kwon Koo, Dong Myeong Shin, Do Sang Lee, Oh Hyeon Hwang, Kyoung Ku Kang
  • Publication number: 20170154698
    Abstract: A transparent conductor, a method of manufacturing the same, and a display including the same, the transparent conductor including metal nanowires; and a matrix in which the metal nanowires are embedded, wherein a capping layer is formed on surfaces of the metal nanowires, the capping layer including a sulfur-containing compound, and the capping layer has a thickness of about 0.025 or less times an average diameter of the metal nanowires.
    Type: Application
    Filed: November 17, 2016
    Publication date: June 1, 2017
    Inventors: Do Young KIM, Kyoung Ku KANG, Dong Myeong SHIN, Dae Seob SHIM, Young Hoon KIM, Ji Hyeon YIM, Yong Un JUNG, Oh Hyeon HWANG
  • Patent number: 9384865
    Abstract: A transparent conductor, a composition for the same, and an apparatus including the same, the transparent conductor including a transparent conductive film, the transparent conductive film including a metal nanowire and a conductive polymer, wherein the transparent conductor has a b* value of less than about 1.78 in color coordinates of CIE Lab at wavelengths of 400 nm to 700 nm.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: July 5, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Do Young Kim, Young Kwon Koo, Dong Myeong Shin, Oh Hyeon Hwang, Kyoung Ku Kang
  • Publication number: 20150255183
    Abstract: A transparent conductor and an optical display including the same are disclosed. The transparent conductor includes a base layer, and a transparent conductive layer formed on the base layer and including metal nanowires. The transparent conductor has a total diffuse reflection (DR) of greater than or equal to about 80% and less than 330% at a wavelength of about 380 nm to about 780 nm and a reflective b* value from about ?2 to about 1 at a wavelength of about 380 nm to about 780 nm.
    Type: Application
    Filed: March 4, 2015
    Publication date: September 10, 2015
    Inventors: Do Young KIM, Young Kwon KOO, Dong Myeong SHIN, Hyoung Tae LIM, Oh Hyeon HWANG, Kyoung Ku KANG
  • Publication number: 20150206620
    Abstract: A method for preparing a transparent conductor includes providing a laminate, the laminate including a base layer and a conductive network on the base layer and including metal nanowires, and pressing the laminate using a first pressing roll that has a surface hardness of about Shore D-50 to about Shore D-90.
    Type: Application
    Filed: January 22, 2015
    Publication date: July 23, 2015
    Inventors: Dong Myeong SHIN, Young Kwon KOO, Oh Hyeon HWANG, Kyoung Ku KANG
  • Publication number: 20150156866
    Abstract: A transparent conductor, a method of fabricating the same, and an optical display, the transparent conductor including a base layer; and a conductive layer on the base layer, the conductive layer including metal nanowires and a matrix, wherein the matrix is prepared from a matrix composition, the matrix composition including inorganic hollow particles, a fluorine-containing monomer, or a mixture thereof.
    Type: Application
    Filed: December 3, 2014
    Publication date: June 4, 2015
    Inventors: Dae Seob SHIM, Young Kwon KOO, Dong Myeong SHIN, Do Sang LEE, Oh Hyeon HWANG, Kyoung Ku KANG