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).

  • Publication number: 20150050595
    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: Application
    Filed: April 3, 2014
    Publication date: February 19, 2015
    Applicant: 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: 8956790
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) at least one dissolution controlling agent selected from a compound including a repeating unit represented by the following Chemical Formula 1, a compound including a repeating unit represented by the following Chemical Formula 2, or a combination thereof, (B) a polybenzoxazole precursor, (C) a photosensitive diazoquinone compound, and (D) a solvent. An organic insulator film for a display device manufactured using the same and a display device are also disclosed. In Chemical Formulae 1 and 2, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: February 17, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Jun-Ho Lee, Hyo-Young Kwon, Hwan-Sung Cheon
  • Publication number: 20150028271
    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: Application
    Filed: June 18, 2014
    Publication date: January 29, 2015
    Inventors: Myoung Youp SHIN, Won Jung KIM, Hwan Sung CHEON, Eui Soo JEONG
  • Publication number: 20150005410
    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: Application
    Filed: March 25, 2014
    Publication date: January 1, 2015
    Applicant: Cheil Industries Inc.
    Inventors: Yong Hee KANG, Man Suk KIM, Hwan Sung CHEON
  • Patent number: 8921019
    Abstract: Disclosed are a positive photosensitive resin composition that includes (A) an alkali soluble resin including a polybenzoxazole precursor, a polyimide precursor, or a combination thereof, (B) a photosensitive diazoquinone compound, (C) a phenol compound, (D) at least one organic dye having an absorption wavelength of about 400 nm to about 700 nm, and (E) a solvent, wherein the organic dye (D) is included in an amount of about 1 to about 40 parts by weight based on about 100 parts by weight of the alkali soluble resin (A), and a photosensitive resin layer and a display device using the same.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: December 30, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Yun Kwon, Jin-Hee Kang, Dae-Yun Kim, Sang-Kyeon Kim, Sang-Kyun Kim, Sang-Soo Kim, Kun-Bae Noh, Eun-Kyung Yoon, Jong-Hwa Lee, Jun-Ho Lee, Jin-Young Lee, Hwan-Sung Cheon, Hyun-Yong Cho, Chung-Beom Hong, Eun-Ha Hwang
  • Publication number: 20140353557
    Abstract: A photosensitive resin composition includes (A) a colorant including an organic black pigment or an organic mixed pigment capable of showing black; (B) a binder resin; (C) a photopolymerizable compound; (D) a photopolymerization initiator; (E) an inorganic filler; and (F) a solvent. The composition has an O.D. of greater than or equal to about 2.0 after being coated on a substrate to a thickness of about 4 ?m and being cured, and a transmittance of greater than or equal to about 12% in a 950 nm wavelength region. A black spacer includes the photosensitive resin composition.
    Type: Application
    Filed: April 9, 2014
    Publication date: December 4, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Arum YU, Ji-Hye KIM, Kyung-Won AHN, Jae-Bum YIM, Hwan-Sung CHEON, Hyun-Moo CHOI
  • Patent number: 8900780
    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) a dye represented by the following Chemical Formula 1, (B) an alkali soluble resin, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) a solvent.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: December 2, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Jae-Hyun Kim, Kyung-Soo Moon, Myoung-Youp Shin, Dong-Hoon Won, Seung-Hyun Kim, Atsushi Endo, Hwan-Sung Cheon, Gyu-Seok Han
  • Publication number: 20140349220
    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: Application
    Filed: May 17, 2012
    Publication date: November 27, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Kyung-Soo Moon, Seung-Hyun Kim, Jae-Hyun Kim, Myoung-Youp Shin, Dong-Hoon Won, Hwan-Sung Cheon
  • Publication number: 20140342273
    Abstract: Disclosed are a monomer for a hardmask composition represented by the following Chemical Formula 1, a hardmask composition including the monomer, and a method of forming a pattern using the same. In Chemical Formula 1, A, A?, L and n are the same as in the detailed description.
    Type: Application
    Filed: November 29, 2012
    Publication date: November 20, 2014
    Inventors: Yun-Jun Kim, Hwan-Sung Cheon, Youn-Jin Cho, Yong-Woon Yoon, Chung-Heon Lee, Hyo-Young Kwon, Yoo-Jeong Choi
  • Publication number: 20140319659
    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: Application
    Filed: November 25, 2013
    Publication date: October 30, 2014
    Inventors: Hyo-Young KWON, Min-Gyum KIM, Jun-Ho LEE, Hwan-Sung CHEON
  • Publication number: 20140319421
    Abstract: Disclosed are a photosensitive resin composition including a composite dye that includes a red fluorescent dye re-emitting light at a 400 to 800 nm fluorescent wavelength; and a metal complex dye including at least one metal ion selected from Mg, Ni, Co, Zn, Cr, Pt, and Pd, and a color filter using the same.
    Type: Application
    Filed: May 30, 2012
    Publication date: October 30, 2014
    Inventors: Ji-Yun Kwon, Youn-Je Ryu, Gyu-Seok Han, Hwan-Sung Cheon, Hyun-Yong Cho
  • Publication number: 20140308618
    Abstract: Disclosed are an organic solution for surface-treating an indium zinc oxide (IZO) substrate that is used for surface treatment of an indium zinc oxide (IZO) substrate, and includes an organic material, and a method of preparing a display substrate using the same.
    Type: Application
    Filed: November 12, 2013
    Publication date: October 16, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Hyun-Moo CHOI, Ji-Hye KIM, Kyung-Won AHN, A-Rum YU, Jae-Bum YIM, Hwan-Sung CHEON, Gun-Young HEO
  • Patent number: 8841064
    Abstract: Disclosed are a positive photosensitive resin composition that includes (A) an alkali soluble resin; (B) a dissolution controlling agent including the compound represented by Chemical Formula 6; (C) a photosensitive diazoquinone compound; (D) a silane compound; and (E) a solvent, and a photosensitive resin film prepared by using the same.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: September 23, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Myoung-Hwan Cha, Jong-Hwa Lee, Mi-Ra Im, Min-Kook Chung, Ji-Young Jeong, Hyun-Yong Cho, Hwan-Sung Cheon
  • Patent number: 8834749
    Abstract: Disclosed are a photosensitive resin composition including (A) a binder resin including a cardo-based resin including a repeating unit represented by the following Chemical Formula 1, (B) a photopolymerizable monomer, (C) a photopolymerization initiator, (D) a colorant and (E) a solvent, and a light blocking layer using the same. In the above Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: September 16, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Hyun-Moo Choi, Chang-Min Lee, Ji-Hye Kim, Kyung-Won Ahn, A-Rum Yu, Jae-Bum Yim, Hwan-Sung Cheon, Ju-Ho Jung
  • Patent number: 8828630
    Abstract: Disclosed are photosensitive resin composition that includes a dye including a methine-based compound represented by the following Chemical Formula 1, wherein each substituent of Chemical Formula 1 is the same as defined in the detailed description, and a metal complex, and a color filter using the same.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: September 9, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Yun Kwon, Nam-Gwang Kim, Shahrokh Motallebi, In-Jae Lee, Sun-Hee Jin, Jae-Hyun Kim, Hwan-Sung Cheon, Gyu-Seok Han
  • Patent number: 8822110
    Abstract: Disclosed is a photosensitive resin composition for a color filter that includes (A) an acrylic-based copolymer including a structural unit represented by the following Chemical Formula 1, wherein R1, R2, Q, and n are the same as defined in the specification; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a colorant; and (E) a solvent.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: September 2, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Chang-Min Lee, Kwang-Seop Kim, Hyun-Moo Choi, Ho-Jeong Paek, Hwan-Sung Cheon
  • Publication number: 20140234758
    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) a dye represented by the following Chemical Formula 1, (B) an alkali soluble resin, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) a solvent.
    Type: Application
    Filed: May 15, 2012
    Publication date: August 21, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Jae-Hyun Kim, Kyung-Soo Moon, Myoung-Youp Shin, Dong-Hoon Won, Seung-Hyun Kim, Atsushi Endo, Hwan-Sung Cheon, Gyu-Seok Han
  • Publication number: 20140186777
    Abstract: A monomer for a hardmask composition represented by the following Chemical Formula 1,
    Type: Application
    Filed: November 19, 2013
    Publication date: July 3, 2014
    Inventors: Sung-Jae LEE, Hwan-Sung CHEON, Youn-Jin CHO, Chul-Ho LEE, Chung-Heon LEE
  • Publication number: 20140179835
    Abstract: An epoxy resin composition includes: an epoxy resin; a curing agent; a curing accelerator; and an inorganic filler, wherein the curing accelerator includes a 4-valent ammonium salt or a 4-valent phosphonium salt represented by Formula 1, wherein A1 is nitrogen or phosphorus; R1, R2, R3 and R4 are each independently a substituted or unsubstituted C1 to C30 hydrocarbon group, or a substituted or unsubstituted C1 to C30 hydrocarbon group including a hetero atom; X1, X2, X3, X4, X5 and X6 are each independently an oxygen atom (O), a sulfur atom (S), or NH; and Y1, Y2 and Y3 are each independently a substituted or unsubstituted C1 to C30 hydrocarbon group, or a substituted or unsubstituted C1 to C30 hydrocarbon group including a hetero atom.
    Type: Application
    Filed: December 26, 2013
    Publication date: June 26, 2014
    Inventors: Min Gyum KIM, Seung HAN, Hwan Sung CHEON
  • Publication number: 20140178815
    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: Application
    Filed: May 29, 2013
    Publication date: June 26, 2014
    Applicant: 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