Patents by Inventor Jeong Im Roh

Jeong Im Roh 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: 8840769
    Abstract: A catalyst precursor resin composition includes an organic polymer resin; a fluorinated-organic complex of silver ion; a monomer having multifunctional ethylene-unsaturated bonds; a photoinitiator; and an organic solvent. The metallic pattern is formed by forming catalyst pattern on a base using the catalyst precursor resin composition reducing the formed catalyst pattern, and electroless plating the reduced catalyst pattern. In the case of forming metallic pattern using the catalyst precursor resin composition, a compatibility of catalyst is good enough not to make precipitation, chemical resistance and adhesive force of the formed catalyst layer are good, catalyst loss is reduced during wet process such as development or plating process, depositing speed is improved, and thus a metallic pattern having good homogeneous and micro pattern property may be formed after electroless plating.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: September 23, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Min Kyoun Kim, Min Jin Ko, Sang Chul Lee, Jeong Im Roh
  • Publication number: 20140030426
    Abstract: A catalyst precursor resin composition includes an organic polymer resin; a fluorinated-organic complex of silver ion; a monomer having multifunctional ethylene-unsaturated bonds; a photoinitiator; and an organic solvent. The metallic pattern is formed by forming catalyst pattern on a base using the catalyst precursor resin composition reducing the formed catalyst pattern, and electroless plating the reduced catalyst pattern. In the case of forming metallic pattern using the catalyst precursor resin composition, a compatibility of catalyst is good enough not to make precipitation, chemical resistance and adhesive force of the formed catalyst layer are good, catalyst loss is reduced during wet process such as development or plating process, depositing speed is improved, and thus a metallic pattern having good homogeneous and micro pattern property may be formed after electroless plating.
    Type: Application
    Filed: July 23, 2013
    Publication date: January 30, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Min Kyoun KIM, Min Jin KO, Sang Chul LEE, Jeong Im ROH
  • Patent number: 8519017
    Abstract: A catalyst precursor resin composition includes an organic polymer resin; a fluorinated-organic complex of silver ion; a monomer having multifunctional ethylene-unsaturated bonds; a photoinitiator; and an organic solvent. The metallic pattern is formed by forming catalyst pattern on a base using the catalyst precursor resin composition reducing the formed catalyst pattern, and electroless plating the reduced catalyst pattern. In the case of forming metallic pattern using the catalyst precursor resin composition, a compatibility of catalyst is good enough not to make precipitation, chemical resistance and adhesive force of the formed catalyst layer are good, catalyst loss is reduced during wet process such as development or plating process, depositing speed is improved, and thus a metallic pattern having good homogeneous and micro pattern property may be formed after electroless plating.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: August 27, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Min Kyoun Kim, Min Jin Ko, Sang Chul Lee, Jeong Im Roh
  • Publication number: 20100167081
    Abstract: A catalyst precursor resin composition includes an organic polymer resin; a fluorinated-organic complex of silver ion; a monomer having multifunctional ethylene-unsaturated bonds; a photoinitiator; and an organic solvent. The metallic pattern is formed by forming catalyst pattern on a base using the catalyst precursor resin composition reducing the formed catalyst pattern, and electroless plating the reduced catalyst pattern. In the case of forming metallic pattern using the catalyst precursor resin composition, a compatibility of catalyst is good enough not to make precipitation, chemical resistance and adhesive force of the formed catalyst layer are good, catalyst loss is reduced during wet process such as development or plating process, depositing speed is improved, and thus a metallic pattern having good homogeneous and micro pattern property may be formed after electroless plating.
    Type: Application
    Filed: May 15, 2008
    Publication date: July 1, 2010
    Applicant: LG CHEM, LTD.
    Inventors: Min Kyoun Kim, Min Jin Ko, Sang Chul Lee, Jeong Im Roh
  • Patent number: 7682774
    Abstract: Disclosed is a resin composition which comprises a catalyst precursor for electroless plating to form an electromagnetic wave shielding layer. The resin composition comprises an organic polymer resin, a polyfunctional monomer having an ethylenically unsaturated bond, a photoinitiator, a silver organic complex precursor as a catalyst precursor, and an organic solvent. Further disclosed are methods for forming metal patterns using the resin composition and metal patterns formed by the methods. The methods comprise forming a pattern, reducing the pattern, and electroless plating the reduced pattern. A patterned layer of the catalyst formed using the resin composition is highly adhesive, a loss of the catalyst during a wet process is substantially prevented, and an increase in plating rate leads to the formation of a uniform, fine metal pattern after electroless plating. Electromagnetic wave shielding materials comprising the metal pattern can be used in the formation of films for shielding electromagnetic waves.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: March 23, 2010
    Assignee: LG Chem, Ltd.
    Inventors: Min Kyoun Kim, Min Jin Ko, Bum Gyu Choi, Sang Chul Lee, Jeong Im Roh
  • Publication number: 20070243363
    Abstract: Disclosed is a resin composition which comprises a catalyst precursor for electroless plating to form an electromagnetic wave shielding layer. The resin composition comprises an organic polymer resin, a polyfunctional monomer having an ethylenically unsaturated bond, a photoinitiator, a silver organic complex precursor as a catalyst precursor, and an organic solvent. Further disclosed are methods for forming metal patterns using the resin composition and metal patterns formed by the methods. The methods comprise forming a pattern, reducing the pattern, and electroless plating the reduced pattern. A patterned layer of the catalyst formed using the resin composition is highly adhesive, a loss of the catalyst during a wet process is substantially prevented, and an increase in plating rate leads to the formation of a uniform, fine metal pattern after electroless plating. Electromagnetic wave shielding materials comprising the metal pattern can be used in the formation of films for shielding electromagnetic waves.
    Type: Application
    Filed: April 13, 2007
    Publication date: October 18, 2007
    Applicant: LG CHEM, LTD.
    Inventors: Min Kyoun Kim, Min Jin Ko, Bum Gyu Choi, Sang Chul Lee, Jeong Im Roh