Patents by Inventor Hwan-Sung Cheon

Hwan-Sung Cheon 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: 9297940
    Abstract: The present invention relates to a compound represented by Formula 1, wherein in Formula 1, each of R1 to R7 is the same as defined in the specification, a photosensitive resin composition comprising the same, and a color filter prepared using the same. The color filter can realize high contrast and high brightness.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: March 29, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Myoung Youp Shin, Won Jung Kim, Hwan Sung Cheon, Eui Soo Jeong
  • Patent number: 9284245
    Abstract: A monomer for a hardmask composition represented by the following Chemical Formula 1,
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: March 15, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Sung-Jae Lee, Hwan-Sung Cheon, Youn-Jin Cho, Chul-Ho Lee, Chung-Heon Lee
  • Patent number: 9273171
    Abstract: Disclosed herein are a thermoplastic copolymer, which is a polymer of a monomer mixture including: a phosphorus (meth)acrylic monomer represented by Formula 1; an aromatic vinyl monomer; and a vinyl cyanide monomer. The thermoplastic copolymer can exhibit excellent flame retardancy with minimal or no deterioration in heat resistance, and is eco-friendly. wherein R1 is hydrogen or methyl; R2 is a substituted or unsubstituted C1 to C20 hydrocarbon group; R3 and R4 are each independently a substituted or unsubstituted C6 to C20 cyclic hydrocarbon group; m is an integer from 1 to 10; and n is an integer from 0 to 5.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: March 1, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Yong Hee Kang, Man Suk Kim, Hwan Sung Cheon
  • Patent number: 9268217
    Abstract: Disclosed are a photosensitive resin composition including (A) a binder resin represented by the following Chemical Formula 1; (B) a reactive unsaturated compound; (C) an initiator; (D) a pigment; and (E) a solvent, and a light blocking layer using the same, wherein, in the following Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: February 23, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Seung-Hyun Kim, Dong-Hoon Won, Youn-Gi Lee, Chang-Min Lee, Hwan-Sung Cheon, Seung-Jib Choi, Min-Sung Kim, Tae-Ho Kim
  • Patent number: 9268221
    Abstract: Provided is a positive photosensitive resin composition that includes (A) a polybenzoxazole precursor including a first polybenzoxazole precursor including a repeating unit represented by Chemical Formula 1 and a repeating unit represented by Chemical Formula 2, and having a thermally polymerizable functional group at least one terminal end; (B) a photosensitive diazoquinone compound; (C) a silane compound; (D) a phenol compound; and (E) a solvent. A photosensitive resin film fabricated using the positive photosensitive resin composition is provided.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: February 23, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Young Jeong, Min-Kook Chung, Jong-Hwa Lee, Mi-Ra Im, Hyun-Yong Cho, Myoung-Hwan Cha, Hwan-Sung Cheon
  • Publication number: 20160041470
    Abstract: Disclosed is a resist underlayer composition including a compound including a moiety represented by the following Chemical Formula 1 and a solvent. In the above Chemical Formula 1, A1 to A3, X1, X2, L1, L2, Z, and m are the same as defined in the specification.
    Type: Application
    Filed: November 5, 2013
    Publication date: February 11, 2016
    Applicant: Cheil Industries Inc.
    Inventors: Min-Gyum KIM, Hyo-Young KWON, Jun-Ho LEE, Hwan-Sung CHEON
  • Patent number: 9256118
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) an alkali soluble resin selected from a polybenzoxazole precursor, a polyimide precursor, and a combination thereof, (B) a photosensitive diazoquinone compound, (C) a phenol compound, (D) an organic dye and (E) a solvent, wherein the organic dye (D) includes at least one red dye having an absorption wavelength of 590 to 700 nm, at least one yellow dye having an absorption wavelength of 550 to 590 nm, and at least one blue dye having an absorption wavelength of 450 to 500 nm.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: February 9, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Yun Kwon, Jong-Hwa Lee, Hyun-Yong Cho, Dae-Yun Kim, Sang-Kyeon Kim, Sang-Kyun Kim, Sang-Soo Kim, Eun-Kyung Yoon, Jun-Ho Lee, Jin-Young Lee, Hwan-Sung Cheon, Chung-Beom Hong, Eun-Ha Hwang
  • Patent number: 9195136
    Abstract: A resist underlayer composition, a method of forming patterns, and semiconductor integrated circuit device, the composition including a solvent; and a compound including a moiety represented by the following Chemical Formula 1:
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: November 24, 2015
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Hyo-Young Kwon, Min-Gyum Kim, Jun-Ho Lee, Hwan-Sung Cheon
  • Patent number: 9182667
    Abstract: Disclosed are a photosensitive resin composition for a color filter that includes (A) a squaraine dye including at least one selected from compounds represented by the following Chemical Formulae 1 and 2, (B) an alkali soluble resin, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) a solvent, and a color filter using the same.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: November 10, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Kyung-Soo Moon, Seung-Hyun Kim, Jae-Hyun Kim, Myoung-Youp Shin, Dong-Hoon Won, Hwan-Sung Cheon
  • Patent number: 9176381
    Abstract: This disclosure relates to a positive photosensitive resin composition including (A) a resin precursor including a polybenzoxazole precursor, a polyamic acid, or a combination thereof, (B) a dissolution-controlling agent having a boiling point ranging from about 210° C. to about 400° C. and a polarity ranging from about 1 D to about 4 D, (C) an acid generator, (D) a silane-based compound, and (E) a solvent. The polybenzoxazole precursor includes a repeating unit represented by Chemical Formula 1, or both of repeating units represented by Chemical Formulae 1 and 2 and has a thermally polymerizable functional group at at least one end. The polyamic acid includes a repeating unit of Chemical Formulae 50 and 51.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: November 3, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Jeong-Woo Lee, Yong-Sik Yoo, Hyun-Yong Cho, Ji-Young Jeong, Doo-Young Jung, Jong-Hwa Lee, Min-Kook Chung, Myoung-Hwan Cha, Hwan-Sung Cheon
  • Patent number: 9116429
    Abstract: A resist underlayer polymer, a resist underlayer composition including the same, and a method of patterning using the same, the resist underlayer polymer including a repeating unit represented by at least one of Chemical Formula 1 and Chemical Formula 2:
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: August 25, 2015
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Jee-Yun Song, Hwan-Sung Cheon, Sung-Wook Cho, Kyong-Ho Yoon, Min-Soo Kim, Seung-Bae Oh
  • Publication number: 20150210796
    Abstract: Disclosed are a compound represented by the following Chemical Formula 1, wherein in Chemical Formula 1, each substituent is the same as defined in the detailed description, a polymer, a colorant including the same, and a photosensitive resin composition including the colorant, and a color filter.
    Type: Application
    Filed: October 22, 2014
    Publication date: July 30, 2015
    Inventors: Won-Jung KIM, Kyoung-Hee KANG, Chae-Won PAK, Myoung-Youp SHIN, Hwan-Sung CHEON, Eui-Soo JEONG, Ki-Wook HWANG
  • Publication number: 20150192699
    Abstract: Disclosed are a photosensitive resin composition including (A) an acrylic-based binder resin; (B) a photopolymerizable monomer; (C) a photopolymerization initiator; (D) a colorant including a dye represented by the following Chemical Formula 1, wherein in Chemical Formula 1, each substituent is the same as defined in the detailed description; and (E) a solvent, and a color filter using the same.
    Type: Application
    Filed: August 27, 2014
    Publication date: July 9, 2015
    Inventors: Se-Young CHOI, Ju-Ho JUNG, Myoung-Youp SHIN, Nam-Gwang KIM, Hwan-Sung CHEON, Seung-Jib CHOI, Kyung-Hee HYUNG
  • Patent number: 9069132
    Abstract: A photosensitive resin composition for a light blocking layer includes (A) a colorant including a blue material including a dye represented by the following Chemical Formula 1, and a red material, (B) a binder resin, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) a solvent, and a light blocking layer using the same. In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: June 30, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Ju-Ho Jung, Ji-Hye Kim, Kyung-Won Ahn, A-Rum Yu, Jae-Bum Yim, Hwan-Sung Cheon, Hyun-Moo Choi
  • Publication number: 20150160553
    Abstract: Disclosed are a positive photosensitive resin composition including (A) an alkali soluble resin including a repeating unit represented by the following Chemical Formula 1; (B) a photosensitive diazoquinone compound; and (C) a solvent, and a photosensitive resin film and a display device including the same. In the above Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Application
    Filed: May 30, 2014
    Publication date: June 11, 2015
    Applicant: Cheil Industries Inc.
    Inventors: Hyo-Young KWON, Ran NAMGUNG, Jin-Hee KANG, Bum-Jin LEE, Hwan-Sung CHEON
  • Publication number: 20150132572
    Abstract: A polycarbonate glazing includes a polycarbonate substrate and a silicon oxide-containing hard coating layer formed on one surface of the substrate, wherein the polycarbonate glazing has a haze difference (?Haze) of about 4.5 or less between before and after abrasion, as measured in accordance with ASTM D1003 after 500-cycle testing under conditions of a CS-10F abrasion wheel and a load of 500 g using a Taber Abraser, and has a water contact angle from about 40° to about 60°. The polycarbonate glazing may exhibit excellent abrasion resistance and transparency.
    Type: Application
    Filed: November 10, 2014
    Publication date: May 14, 2015
    Inventors: Woo Jin LEE, Yukinari HARIMOTO, Hyung Rang MOON, Chang Soo WOO, Seung Woo JANG, Hwan Sung CHEON, Dong Il HAN
  • Patent number: 9023559
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) an alkali soluble resin; (B) a novolac resin including a repeating unit represented by Chemical Formula 6; (C) a photosensitive diazoquinone compound; (D) a silane compound; and (E) a solvent, a photosensitive resin film prepared by using the positive photosensitive resin composition, and a semiconductor device including the photosensitive resin film.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: May 5, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Jong-Hwa Lee, Hyun-Yong Cho, Mi-Ra Im, Hwan-Sung Cheon, Min-Kook Chung, Ji-Young Jeong, Myoung-Hwan Cha
  • Patent number: 9018776
    Abstract: A hard mask composition includes a solvent and an aromatic ring-containing compound represented by the following Chemical Formula 1:
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: April 28, 2015
    Assignee: Cheil Industries, Inc.
    Inventors: Jee-Yun Song, Min-Soo Kim, Hwan-Sung Cheon, Seung-Bae Oh, Yoo-Jeong Choi
  • Publication number: 20150111153
    Abstract: Disclosed are a positive photosensitive resin composition including (A) a polybenzoxazole precursor including a functional group at a terminal end thereof, wherein the functional group is dissociated by light of about 400 nm to about 550 nm wavelength region and is acidified; (B) a photosensitive diazoquinone compound; and (C) a solvent, and a photosensitive resin film and a display device using the same.
    Type: Application
    Filed: May 21, 2014
    Publication date: April 23, 2015
    Applicant: Cheil Industries Inc.
    Inventors: Ran NAMGUNG, Hyo-Young KWON, Hwan-Sung CHEON
  • Publication number: 20150053900
    Abstract: The present invention relates to a phthalocyanine compound represented by Formula 1, a dye including the same, a photosensitive resin composition including the same, and a color filter prepared using the same. In Formula 1, 1 to 8 of Z1 to Z16 are substituted with one of Formulae 2 to 5, as defined in the specification. The phthalocyanine compound can have high luminance, high contrast, and excellent heat resistance. wherein Z1 to Z16 and M1 are the same as in the detailed description of the invention.
    Type: Application
    Filed: June 18, 2014
    Publication date: February 26, 2015
    Inventors: Seung Hyun KIM, Dong Hoon WON, Myoung Youp SHIN, Hwan Sung CHEON