Patents by Inventor Kil Sung Lee

Kil Sung 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: 8389621
    Abstract: A thermosetting resin composition for producing a color filter for a CMOS image sensor is provided. The thermosetting resin composition comprises an organic solvent and a self-curing copolymer having structural units represented by Formulae 1, 2, 3 and 4, which are described in the specification.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: March 5, 2013
    Assignee: Cheil Industries Inc.
    Inventors: O Bum Kwon, Kil Sung Lee, Jae Hyun Kim, Jung Hyun Kim
  • Patent number: 8303862
    Abstract: Disclosed are a photosensitive resin composition for a color filter and a color filter including the same. The photosensitive resin composition for a color filter may include (A) an acrylic-based copolymer including a structural unit represented by the following Chemical Formula 1 and a structural unit represented by the following Chemical Formula 2, wherein the substituents of Chemical Formula 1 and Chemical Formula 2 are the same as defined in the specification; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a pigment; and (E) a solvent.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: November 6, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Chang-Min Lee, Kil-Sung Lee, Jae-Hyun Kim, Jun-Seok Kim, Sang-Won Cho, Gyu-Seok Han
  • Patent number: 8298454
    Abstract: Disclosed are a photosensitive resin composition and a light blocking layer using the same. The photosensitive resin composition includes (A) a cardo-based monomer represented by the following Chemical Formula 1 or 2, wherein the substituents of Chemical Formula 1 and Chemical Formula 2 are the same as defined in the detailed description, (B) a cardo-based resin, (C) a reactive unsaturated compound, (D) a pigment, (E) an initiator, and (F) a solvent.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 30, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Chang-Min Lee, Jun-Seok Kim, Kil-Sung Lee, Min-Sung Kim
  • Patent number: 8293149
    Abstract: Disclosed are a photosensitive resin composition for a color filter and a color filter using the same. The photosensitive resin composition for a color filter may include (A) a copolymer including a structural unit represented by the following Chemical Formula 1, wherein the substituents of Chemical Formula 1 are the same as defined in the specification; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a pigment; and (E) a solvent.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: October 23, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Chang-Min Lee, Jun-Seok Kim, Kil-Sung Lee
  • Patent number: 8277701
    Abstract: Disclosed are a photosensitive resin composition for a color filter and a color filter using the same. The photosensitive resin composition for a color filter includes (A) an acrylic-based binder resin including a structural unit represented by the following Chemical Formula 1, wherein the substituents of Chemical Formula 1 are the same as defined in the specification; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a pigment; and (E) a solvent.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: October 2, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Chang-Min Lee, Kil-Sung Lee, Jun-Seok Kim, Seong-Yong Uhm, Sang-Won Cho
  • Patent number: 8273270
    Abstract: Disclosed are a photosensitive resin composition that includes (A) a cardo-based resin including repeating units represented by the following Chemical Formulae 1 and 2, wherein the substituents of Chemical Formulae 1 and 2 are the same as defined in the specification, (B) reactive unsaturated compound, (C) a pigment, (D) an initiator, and (E) a solvent, and a light blocking layer using the photosensitive resin composition.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: September 25, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Chang-Min Lee, Kil-Sung Lee, Jun-Seok Kim, Jung-Sik Choi
  • Patent number: 8263675
    Abstract: The present invention relates to a photosensitive resin composition for a color filter and a color filter fabricated using the same. The photosensitive resin composition includes (a) an acrylic-based resin, (b) a photopolymerizable monomer, (c) a photopolymerization initiator, (d) a pigment, and (e) a solvent. The acrylic-based resin is a copolymer including a repeating unit of an ethylenic unsaturated monomer including a carboxyl group and a repeating unit of an ethylenic unsaturated monomer including an alkoxy 4-oxo butanoic acid group. The photosensitive resin composition for a color filter can have residue removing characteristics, and is capable of forming fine pixels and providing a color filter having high resolution.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: September 11, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Kil-Sung Lee, Jae-Hyun Kim, Chang-Min Lee, Eui-June Jeong
  • Publication number: 20120169961
    Abstract: A liquid crystal display module includes a backlight unit, a liquid crystal display panel on a top surface of the backlight unit, and a thermoplastic layer on at least one lateral surface of the backlight unit and at least one lateral surface of the liquid crystal display panel, the thermoplastic layer including a solidified thermoplastic resin exhibiting viscosity of about 300 cps to about 1,000 cps at a temperature of about 120° C. to about 130° C.
    Type: Application
    Filed: December 21, 2011
    Publication date: July 5, 2012
    Inventors: Kyoung Jin HA, Ji Hye Kwon, Lee June Kim, Kil Sung Lee
  • Publication number: 20120172484
    Abstract: An optical adhesive film prepared from an optical adhesive composition, an optical adhesive composition, and a display panel, the optical adhesive film having an elongation of about 200 to about 800% and a tensile strength of about 10 gf/mm2 or less, and the optical adhesive composition including a urethane (meth)acrylate copolymer, a reactive monomer, and an initiator.
    Type: Application
    Filed: December 27, 2011
    Publication date: July 5, 2012
    Inventors: Lee June KIM, Ji Hye KWON, Kyoung Jin HA, Kil Sung LEE
  • Publication number: 20120172482
    Abstract: An optical adhesive composition includes a urethane(meth)acrylate resin having at least one hydroxyl group and at least one vinyl group, the urethane(meth)acrylate resin having a curing contraction ratio expressed by Equation 1 of about 0 to about 3%; and an adhesion of about 30 to about 80 kgf: Curing contraction ratio (%)=(A?B)/A×100, ??[Equation 1] where A is a specific gravity of the optical adhesive composition before curing, and B is a specific gravity of the solid optical adhesive composition after curing.
    Type: Application
    Filed: October 14, 2011
    Publication date: July 5, 2012
    Inventors: Kyoung Jin HA, Ji Hye KWON, Kil Sung LEE, Irina NAM, Lee June KIM
  • Publication number: 20120171481
    Abstract: An optically clear adhesive, a dicing die bonding film, and a semiconductor device, the optically clear adhesive including a curing agent; and an acrylic copolymer, the acrylic copolymer including an alkyl group, a hydroxyl group, and at least one of a phosphate group and a silane group.
    Type: Application
    Filed: October 24, 2011
    Publication date: July 5, 2012
    Inventors: Kyoung Jin Ha, Baek Soung Park, Ji Ho Kim, Min Kyu Hwang, Kil Sung Lee
  • Publication number: 20120172481
    Abstract: A photocurable adhesive composition, a module apparatus, and a method of assembling a module, the composition including a urethane (meth)acrylate binder, the composition having a viscosity of about 3,000 to about 6,000 cps at 25° C., and providing an adhesive film having an adhesive strength of about 30 N/cm2 or more.
    Type: Application
    Filed: December 23, 2011
    Publication date: July 5, 2012
    Inventors: Kyoung Jin HA, Ji Hye Kwon, Kil Sung Lee, Irina Nam, Lee June Kim
  • Publication number: 20120165465
    Abstract: An optical adhesive film prepared from an optical adhesive composition, an optical adhesive composition, and an apparatus, the optical adhesive composition including a urethane (meth)acrylate copolymer, a reactive monomer, and an initiator, wherein the optical adhesive film has a tensile strength of about 1 to about 70 gf/mm2 at a thickness of 500 ?m after curing.
    Type: Application
    Filed: December 19, 2011
    Publication date: June 28, 2012
    Inventors: Lee June KIM, Ji Hye KWON, Kyoung Jin HA, Kil sung LEE
  • Publication number: 20120145972
    Abstract: Provided are a photosensitive resin composition for a color filter and a color filter using the same. The photosensitive resin composition for a color filter may include (A) a copolymer including a structural unit represented by the following Chemical Formula 1; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a pigment; and (E) a solvent: In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Application
    Filed: July 26, 2011
    Publication date: June 14, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang-Min LEE, Jun-Seok KIM, Kil-Sung LEE
  • Publication number: 20120145971
    Abstract: Disclosed is a photosensitive resin composition that includes (A) a cardo-based monomer represented by the following Chemical Formula 1 or 2, (B) a cardo-based resin, (C) a reactive unsaturated compound, (D) a pigment, (E) an initiator, and (F) a solvent, and a light blocking layer using the same. In Chemical Formulae 1 and 2, each substituent is the same in the detailed description.
    Type: Application
    Filed: September 23, 2011
    Publication date: June 14, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang-Min LEE, Jun-Seok KIM, Kil-Sung LEE, Min-Sung KIM
  • Patent number: 8198002
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) a first polybenzoxazole precursor that includes: a repeating unit of Chemical Formula 1 and a thermally polymerizable functional group at at least one terminal end; (B) a second polybenzoxazole precursor that includes a repeating unit of Chemical Formula 3; (C) a photosensitive diazoquinone compound; (D) a silane compound; and (E) a solvent.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: June 12, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Doo-Young Jung, Ji-Young Jeong, Hyun-Yong Cho, Yong-Sik Yoo, Min-Kook Chung, Jong-Hwa Lee, Kil-Sung Lee, Myoung-Hwan Cha
  • Publication number: 20120112140
    Abstract: A photosensitive resin composition for a color filter and a color filter using the same are provided. The photosensitive resin composition for a color filter includes (A) an acrylic-based binder resin including a structural unit represented by the following Chemical Formula 1; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a pigment; and (E) a solvent. In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Application
    Filed: August 1, 2011
    Publication date: May 10, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang-Min LEE, Kil-Sung LEE, Jun-Seok KIM, Seong-Yong UHM, Sang-Won CHO
  • Publication number: 20120112141
    Abstract: Disclosed are a photosensitive resin composition for a color filter and a color filter including the same. The photosensitive resin composition for a color filter may include (A) an acrylic-based copolymer including a structural unit represented by the following Chemical Formula 1 and a structural unit represented by the following Chemical Formula 2; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a pigment; and (E) a solvent. In Chemical Formula 1, each substituent is the same as defined in the detailed description. In Chemical Formula 2, each substituent is the same as defined in the detailed description.
    Type: Application
    Filed: September 21, 2011
    Publication date: May 10, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang-Min LEE, Kil-Sung LEE, Jae-Hyun KIM, Jun-Seok KIM, Sang-Won CHO, Gyu-Seok HAN
  • Publication number: 20120091407
    Abstract: Disclosed are a photosensitive resin composition that includes (A) a cardo-based resin including repeating units represented by the following Chemical Formulae 1 and 2, (B) reactive unsaturated compound, (C) a pigment, (D) an initiator, and (E) a solvent, and a light blocking layer using the photosensitive resin composition. In Chemical Formulae 1 and 2, each substituent is the same as defined in the specification.
    Type: Application
    Filed: June 16, 2011
    Publication date: April 19, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang-Min LEE, Kil-Sung LEE, Jun-Seok KIM, Jung-Sik CHOI
  • Patent number: 8158036
    Abstract: The photosensitive resin composition for a color filter according to one embodiment of the present invention includes (A) a pigment including a repeating unit of the following Formula 1, (B) a binder resin, (C) a photopolymerization initiator, (D) a photopolymerizable monomer, and (E) a solvent: wherein in the above formula, X, m, and n are the same as in the description.
    Type: Grant
    Filed: December 1, 2008
    Date of Patent: April 17, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Chang-Min Lee, Kil-Sung Lee, Jae-Hyun Kim, Eui-June Jeong