Patents by Inventor Hui-Je Lee

Hui-Je Lee 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: 20240018397
    Abstract: The present application relates to a method for manufacturing a foldable backplate film, and according to one aspect of the present invention, a method for manufacturing a foldable backplate film that the foldable backplate film is manufactured by a method of cutting it in a direction from the release film to the protective film upon half-cutting, and then release-changing the release film, whereby by improving a half-cutting process, the foldable backplate does not fall off upon the release film peeling, is provided.
    Type: Application
    Filed: February 21, 2022
    Publication date: January 18, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Hui Je LEE, Hyun Cheol KIM, In Hwan JEON, Sa Young JUNG, Jin Ho SON
  • Publication number: 20230416575
    Abstract: The present application relates to a method for manufacturing a foldable backplate film, and according to one aspect of the present invention, a method for manufacturing a foldable backplate film that the foldable backplate film is manufactured by a method of cutting it in a direction from the release film to the protective film upon half-cutting, and then release-changing the release film to an extended release film, whereby by improving a half-cutting process, the release film is not peeled off due to the sticking-out of the pressure-sensitive adhesive upon product handling and transportation, or the foldable backplate does not fall off upon the release film peeling, is provided.
    Type: Application
    Filed: February 21, 2022
    Publication date: December 28, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hui Je LEE, Hyun Cheol KIM, In Hwan JEON, Sa Young JUNG, Jin Ho SON
  • Patent number: 11851589
    Abstract: The present application provides an adhesive composition for a foldable display including a thermocurable resin; an ionic salt; and a crosslinking agent, wherein the adhesive composition for a foldable display has storage modulus of 104 Pa to 106 Pa at ?30° C. and 60° C. after curing, an adhesive film using the same, and a foldable display including the same.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: December 26, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hee Song, Hyon Gyu Park, Byungsu Park, Hyun Cheol Kim, Hui Je Lee
  • Patent number: 11795351
    Abstract: An adhesive composition comprising an acrylic first polymer having a glass transition temperature of 0° C. or less, a second polymer comprising a unit derived from a monomer represented by the following Chemical Formula 1 and Chemical Formula 2 or Chemical Formula 3, and a crosslinking agent, and an adhesive film comprising the same are provided.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: October 24, 2023
    Inventors: Seongwook Kang, Yoonkyung Kwon, Byungsu Park, Hui Je Lee, Sanghun Han
  • Patent number: 11787979
    Abstract: An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin, and a polymer having a melting temperature (Tm) of 35° C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and two or more types of monomers.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: October 17, 2023
    Inventors: Seongwook Kang, Yoonkyung Kwon, Byungsu Park, Hui Je Lee, Sanghun Han
  • Publication number: 20210284876
    Abstract: An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin, and a polymer having a melting temperature (Tm) of 53° C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and one type of monomer.
    Type: Application
    Filed: July 29, 2019
    Publication date: September 16, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hui Je Lee, Yoonkyung Kwon, Byungsu Park, Seongwook Kang, Sanghun Han
  • Publication number: 20210284871
    Abstract: An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. An adhesive composition includes a (meth)acrylate-based resin, and a polymer having a melting temperature (Tm) of 60° C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and one type of monomer.
    Type: Application
    Filed: July 29, 2019
    Publication date: September 16, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Sanghun Han, Yoonkyung Kwon, Byungsu Park, Hui Je Lee, Seongwook Kang
  • Publication number: 20210284877
    Abstract: An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin; and a polymer having a melting temperature (Tm) of 60° C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and two or more types of monomers.
    Type: Application
    Filed: July 29, 2019
    Publication date: September 16, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Sanghun Han, Yoonkyung Kwon, Byungsu Park, Hui Je Lee, Seongwook Kang
  • Publication number: 20210277298
    Abstract: An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin, and a polymer having a melting temperature (Tm) of 45° C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and one type of monomer.
    Type: Application
    Filed: July 29, 2019
    Publication date: September 9, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Byungsu Park, Yoonkyung Kwon, Hui Je Lee, Seongwook Kang, Sanghun Han
  • Publication number: 20210253914
    Abstract: The present application relates to an adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film.
    Type: Application
    Filed: July 29, 2019
    Publication date: August 19, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hui Je Lee, Yoonkyung Kwon, Byungsu Park, Seongwook Kang, Sanghun Han
  • Patent number: 11091672
    Abstract: The present application relates to a method for manufacturing a pressure-sensitive adhesive film. In an embodiment, a method for manufacturing a pressure-sensitive adhesive film having a pressure-sensitive adhesive layer and a base layer includes applying a pressure-sensitive adhesive composition on at least one side of a base layer, where the pressure-sensitive adhesive composition comprises an isocyanate compound, a metal compound and an acrylic polymer; and drying the pressure-sensitive adhesive composition at a temperature of 100° C. or higher to form a pressure-sensitive adhesive layer on the base layer.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: August 17, 2021
    Inventors: Hui Je Lee, Byung Su Park, Yoon Kyung Kwon
  • Publication number: 20210147721
    Abstract: An adhesive composition comprising an acrylic first polymer having a glass transition temperature of 0° C. or less, a second polymer comprising a unit derived from a monomer represented by the following Chemical Formula 1 and Chemical Formula 2 or Chemical Formula 3, and a crosslinking agent, and an adhesive film comprising the same are provided.
    Type: Application
    Filed: February 12, 2019
    Publication date: May 20, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Seongwook Kang, Yoonkyung Kwon, Byungsu Park, Hui Je Lee, Sanghun Han
  • Publication number: 20210115304
    Abstract: An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin, and a polymer having a melting temperature (Tm) of 45° C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and two or more types of monomers.
    Type: Application
    Filed: July 29, 2019
    Publication date: April 22, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Byungsu Park, Yoonkyung Kwon, Hui Je Lee, Seongwook Kang, Sanghun Han
  • Publication number: 20210087435
    Abstract: An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin, and a polymer having a melting temperature (Tm) of 35° C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and two or more types of monomers.
    Type: Application
    Filed: July 29, 2019
    Publication date: March 25, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Seongwook Kang, Yoonkyung Kwon, Byungsu Park, Hui Je Lee, Sanghun Han
  • Patent number: 10920113
    Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability, and also excellent adhesive force and cohesive force.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: February 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Hyon Gyu Park, Dong Kyu Roh, Yoon Kyung Kwon, Byung Su Park, Hui Je Lee
  • Publication number: 20200377768
    Abstract: The present application provides an adhesive composition for a foldable display including a thermocurable resin; an ionic salt; and a crosslinking agent, wherein the adhesive composition for a foldable display has storage modulus of 104 Pa to 106 Pa at ?30° C. and 60° C. after curing, an adhesive film using the same, and a foldable display including the same.
    Type: Application
    Filed: February 1, 2019
    Publication date: December 3, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Hee SONG, Hyon Gyu PARK, Byungsu PARK, Hyun Cheol KIM, Hui Je LEE
  • Publication number: 20200377765
    Abstract: The present application relates to an adhesive composition comprising a (meth)acrylate-based resin and a polymer having a melting temperature (Tm) of 35° C. or higher, an adhesive film comprising a base film and an adhesive sheet comprising the adhesive composition, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film.
    Type: Application
    Filed: July 29, 2019
    Publication date: December 3, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Seongwook Kang, Yoonkyung Kwon, Byungsu Park, Hui Je Lee, Sanghun Han
  • Publication number: 20200325361
    Abstract: A temperature-variable adhesive sheet, and a method for manufacturing a temperature-variable adhesive sheet using the same are provided. The adhesive sheet includes a first adhesive layer and a second adhesive layer consecutively provided on a barrier film, wherein initial adhesive strength between the second adhesive layer and a SUS304 substrate is 200 gf/in or less, and adhesive strength, after 20 minutes passed under a condition of 50° C. and 5 atmospheres, is 400 gf/in or greater.
    Type: Application
    Filed: January 11, 2019
    Publication date: October 15, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hui Je Lee, Yoonkyung Kwon, Hyun Jee Yoo, Kyung Yul Bae
  • Publication number: 20200048505
    Abstract: The present application relates to a method for manufacturing a pressure-sensitive adhesive film. In an embodiment, a method for manufacturing a pressure-sensitive adhesive film having a pressure-sensitive adhesive layer and a base layer includes applying a pressure-sensitive adhesive composition on at least one side of a base layer, where the pressure-sensitive adhesive composition comprises an isocyanate compound, a metal compound and an acrylic polymer; and drying the pressure-sensitive adhesive composition at a temperature of 100° C. or higher to form a pressure-sensitive adhesive layer on the base layer.
    Type: Application
    Filed: October 31, 2017
    Publication date: February 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hui Je LEE, Byung Su PARK, Yoon Kyung KWON
  • Publication number: 20190203078
    Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability, and also excellent adhesive force and cohesive force.
    Type: Application
    Filed: September 8, 2017
    Publication date: July 4, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hyon Gyu PARK, Dong Kyu ROH, Yoon Kyung KWON, Byung Su PARK, Hui Je LEE