Patents by Inventor Eun-Sil Lee

Eun-Sil 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).

  • Patent number: 9884469
    Abstract: The present invention provides a multilayered plastic substrate that simultaneously satisfies improvement in high temperature thermal deformation according to low linear expansion coefficient and excellent dimensional stability and excellent gas barrier property, and is capable of being used instead of a glass substrate that has brittleness and heavy disadvantages without a problem caused by a difference in linear expansion coefficient between layers, and a method for manufacturing the same.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: February 6, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Seung-Lac Ma, Dong-Ryul Kim, Gi-Cheul Kim, Sang-Uk Ryu, Ho-Jun Lee, Eun-Sil Lee, Jang-Yeon Hwang
  • Publication number: 20130177710
    Abstract: The present invention provides a composite material comprising a glass cloth; and an organic-inorganic hybrid composition comprising diphenylsilanediol and alkoxy silane, a composite film manufactured by using the same, and a method for manufacturing the composite film.
    Type: Application
    Filed: February 15, 2013
    Publication date: July 11, 2013
    Applicant: LG CHEM, LTD.
    Inventors: LG CHEM, LTD., Eun-Sil Lee
  • Patent number: 8445108
    Abstract: The present invention provides a composite material comprising a glass cloth; and an organic-inorganic hybrid composition comprising diphenylsilanediol and alkoxy si lane, a composite film manufactured by using the same, and a method for manufacturing the composite film.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: May 21, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Gi-Cheul Kim, Dong-Ryul Kim, Hee-Jung Kim, Jang-Yeon Hwang, Seung-Lac Ma, Boong-Goon Jeong, Sang-Uk Ryu, Ju-Eun Cha, Myeong-Geun Ko, Eun-Sil Lee
  • Publication number: 20120193768
    Abstract: The present invention provides a multiple layer that comprises two or more first inorganic material layers; and one or more second inorganic material layers that are positioned between the two first inorganic material layers and have the thickness of less than 5 nm, in which the first inorganic material layer is formed of one or more materials that are selected from silicon oxides, silicon carbide, silicon nitride, aluminum nitride and ITO, and the second inorganic material layer is formed of one or more materials that are selected from magnesium, calcium, aluminum, gallium, indium, zinc, tin, barium, and oxides and fluorides thereof, a multiple film that comprises the multiple layer, and an electronic device that comprises the multiple film.
    Type: Application
    Filed: February 21, 2012
    Publication date: August 2, 2012
    Inventors: Jang-Yeon Hwang, Dong-Ryul Kim, Gi-Cheul Kim, Sang-Uk Ryu, Ho-Jun Lee, Seung-Lac Ma, Myeong-Geun Ko, Eun-Sil Lee
  • Publication number: 20110287221
    Abstract: Disclosed is a multi-layer film including a polymer substrate and buffer layers formed on the top surface and the bottom surface of the polymer substrate using a UV-cured and thermally cured product of a UV-curable and thermally curable buffer composition. A method for producing the multi-layer film is also disclosed.
    Type: Application
    Filed: November 19, 2009
    Publication date: November 24, 2011
    Applicant: LG Chem, Ltd.
    Inventors: Seung-Lac Ma, Dong-Ryul Kim, Gi-Cheul Kim, Sang-Uk Ryu, Ho-Jun Lee, Eun-Sil Lee, Jang-Yeon Hwang
  • Publication number: 20110287233
    Abstract: The present invention provides a multilayered plastic substrate that simultaneously satisfies improvement in high temperature thermal deformation according to low linear expansion coefficient and excellent dimensional stability and excellent gas barrier property, and is capable of being used instead of a glass substrate that has brittleness and heavy disadvantages without a problem caused by a difference in linear expansion coefficient between layers, and a method for manufacturing the same.
    Type: Application
    Filed: November 19, 2009
    Publication date: November 24, 2011
    Applicant: LG CHEM, LTD
    Inventors: Seung-Lac Ma, Dong-Ryul Kim, Gi-Cheul Kim, Sang-Uk Ryu, Ho-Jun Lee, Eun-Sil Lee, Jang-Yeon Hwang
  • Publication number: 20100279092
    Abstract: The present invention provides a multiple layer film comprising a substrate layer and a multiple layer having two or more sub-layers formed by use of a single target material, provided on at least one side of the substrate layer; and a method for manufacturing the same.
    Type: Application
    Filed: June 2, 2008
    Publication date: November 4, 2010
    Applicant: LG CHEM, LTD.
    Inventors: Jang-Yeon Hwang, Dong-Ryul Kim, Gi-Cheul Kim, Sang-Uk Ryu, Ho-Jun Lee, Eun-Sil Lee, Seung-Lac Ma, Myeong-Geun Ko
  • Publication number: 20100136308
    Abstract: The present invention provides a multiple layer that comprises two or more first inorganic material layers; and one or more second inorganic material layers that are positioned between the two first inorganic material layers and have the thickness of more than 0 nm and less than 5 nm, in which the first inorganic material layer is formed of one or more materials that are selected from silicon oxides, silicon carbide, silicon nitride, aluminum nitride and ITO, and the second inorganic material layer is formed of one or more materials that are selected from magnesium, calcium, aluminum, gallium, indium, zinc, tin, barium, and oxides and fluorides thereof, a multiple film that comprises the multiple layer, and an electronic device that comprises the multiple film.
    Type: Application
    Filed: July 11, 2008
    Publication date: June 3, 2010
    Inventors: Jang-Yeon Hwang, Dong-Ryul Kim, Gi-Cheul Kim, Sang-Uk Ryu, Ho-Jun Lee, Eun-Sil Lee, Seung-Lac Ma, Myeong-Geun Ko