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: 20140175343
    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: Application
    Filed: July 22, 2013
    Publication date: June 26, 2014
    Applicant: 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
  • Publication number: 20140179827
    Abstract: A quaternary phosphonium salt, an epoxy resin composition including the quaternary phosphonium salt, and a semiconductor device encapsulated with the epoxy resin composition, the quaternary phosphonium salt being represented by Formula 1:
    Type: Application
    Filed: November 1, 2013
    Publication date: June 26, 2014
    Inventors: Min Gyum KIM, Seung HAN, Hwan Sung CHEON
  • Publication number: 20140178816
    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: Application
    Filed: July 2, 2013
    Publication date: June 26, 2014
    Inventors: Jun-Ho LEE, Hyo-Young KWON, Hwan-Sung CHEON
  • Publication number: 20140170562
    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: Application
    Filed: July 17, 2012
    Publication date: June 19, 2014
    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
  • Publication number: 20140163131
    Abstract: Disclosed are a photosensitive resin composition including (A) a thermally curing initiator having a half-life of about one hour at a temperature ranging from about 100 to about 150° C.; (B) a photopolymerization initiator; (C) a binder resin; (D) a photopolymerizable compound; (E) a colorant; and (F) a solvent, and a black spacer using the same.
    Type: Application
    Filed: October 28, 2013
    Publication date: June 12, 2014
    Applicant: Cheil Industries Inc.
    Inventors: A-Rum YU, Ji-Hye KIM, Kyung-Won AHN, Jae-Bum YIM, Hwan-Sung CHEON, Ju-Ho JUNG, Hyun-Moo CHOI
  • Patent number: 8741540
    Abstract: A hard mask composition, a method of forming a pattern, and a semiconductor integrated circuit device, the hard mask composition including a solvent; and an aromatic ring-containing compound, the aromatic ring-containing compound including at least one of a moiety represented by the following Chemical Formula 1 and a moiety represented by the following Chemical Formula 2:
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: June 3, 2014
    Assignee: Cheil Industries, Inc.
    Inventors: Min-Soo Kim, Hwan-Sung Cheon, Jee-Yun Song, Young-Min Kim, Cheol-Ho Lee, Chung-Heon Lee
  • Patent number: 8741539
    Abstract: A hard mask composition, a method of forming a pattern, and a semiconductor integrated circuit device, the hard mask composition including a solvent; and a compound, the compound including a structural unit represented by the following Chemical Formula 1:
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: June 3, 2014
    Assignee: Cheil Industries, Inc.
    Inventors: Seung-Bae Oh, Hwan-Sung Cheon, Sung-Wook Cho, Min-Soo Kim, Jee-Yun Song, Yoo-Jeong Choi
  • Patent number: 8697320
    Abstract: Disclosed are a novel phenol compound comprising a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2, or a combination thereof, and a positive photosensitive resin composition including the same.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: April 15, 2014
    Assignees: Cheil Industries Inc., Samsung Electronics Co., Ltd.
    Inventors: Ji-Young Jeong, Min-Kook Chung, Hyun-Yong Cho, Yong-Sik Yoo, Jeong-Woo Lee, Jong-Hwa Lee, Hwan-Sung Cheon, Soo-Young Kim, Young-Ho Kim, Jae-Hyun Kim, Su-Min Park
  • Patent number: 8697341
    Abstract: An aromatic ring-containing polymer, an underlayer composition including the same, and associated methods, the aromatic ring-containing polymer including a group represented by one of the following Chemical Formulae 1-1, 1-2, 2-1, and 2-2:
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: April 15, 2014
    Assignee: Cheil Industries, Inc.
    Inventors: Kyong-Ho Yoon, Jin-Kuk Lee, Hwan-Sung Cheon, Min-Soo Kim, Jee-Yun Song
  • Patent number: 8637219
    Abstract: An aromatic ring-containing compound for a resist underlayer and a resist underlayer composition, the aromatic ring-containing compound being represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, R1 to R6 are each independently a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C5 to C20 aromatic ring group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C3 to C20 cycloalkenyl group, a substituted or unsubstituted C2 to C20 heteroaryl group, or a substituted or unsubstituted C2 to C20 heterocycloalkyl group, X1 to X6 are each independently hydrogen, a hydroxy group (—OH), a substituted or unsubstituted alkyl amine group, a substituted or unsubstituted alkoxy group, or an amino group (—NH2), n1 to n6 are each independently 0 or 1, and 1?n1+n2+n3+n4+n5+n6?6.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: January 28, 2014
    Assignee: Cheil Industries, Inc.
    Inventors: Sung-Wook Cho, Hwan-Sung Cheon, Min-Soo Kim, Seung-Bae Oh, Jee-Yun Song
  • Patent number: 8617792
    Abstract: An aromatic ring-containing polymer for a resist underlayer, the polymer including a unit represented by the following Chemical Formula 1: wherein, R1 and R2 are independently hydrogen, a C1 to C10 alkyl group, or an aromatic group, A is a functional group derived from an aromatic compound with a heteroatom or without a heteroatom, and n is an integer of one or more.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: December 31, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Sung-Wook Cho, Kyong-Ho Yoon, Min-Soo Kim, Seung-Bae Oh, Jee-Yun Song, Hwan-Sung Cheon
  • Patent number: 8592131
    Abstract: An ortho-nitrobenzyl ester compound including a compound represented by Chemical Formula 1, and a positive photosensitive resin composition including the same are provided.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: November 26, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Min-Kook Chung, Ji-Young Jeong, Hyun-Yong Cho, Yong-Sik Yoo, Jeong-Woo Lee, Jong-Hwa Lee, Hwan-Sung Cheon, Soo-Young Kim, Young-Ho Kim, Jae-Hyun Kim, Su-Min Park
  • Patent number: 8502334
    Abstract: Disclosed is an image sensor including a photo-sensing device, a color filter positioned on the photo-sensing device, a microlens positioned on the color filter, and an insulation layer positioned between the photo-sensing device and the color filter, and including a trench exposing the photo-sensing device and a filler filled in the trench. The filler has light transmittance of about 85% or more at a visible ray region, and a higher refractive index than the insulation layer. A method of manufacturing the image sensor is also provided.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: August 6, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Kil-Sung Lee, Jae-Hyun Kim, Chang-Min Lee, Eui-June Jeong, Min-Soo Kim, Hwan-Sung Cheon, Tu-Won Chang
  • Patent number: 8501375
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) a polybenzoxazole precursor including a repeating unit represented by the following Chemical Formula 1; (B) a photosensitive diazoquinone compound; (C) a silane compound; (D) a phenol compound; and (E) a solvent. In the above Chemical Formula 1, each substituent is the same as defined in the specification.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: August 6, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Hyun-Yong Cho, Min-Kook Chung, Ji-Young Jeong, Jong-Hwa Lee, Yong-Sik Yoo, Jeong-Woo Lee, Hwan-Sung Cheon, Soo-Young Kim, Young-Ho Kim, Jae-Hyun Kim, Su-Min Park
  • Publication number: 20130171568
    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: Application
    Filed: September 5, 2012
    Publication date: July 4, 2013
    Applicant: 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: 20130143158
    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: Application
    Filed: August 20, 2012
    Publication date: June 6, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang-Min LEE, Kwang-Seop KIM, Hyun-Moo CHOI, Ho-Jeong PAEK, Hwan-Sung CHEON
  • Patent number: 8445187
    Abstract: A hardmask composition includes an organic solvent and one or more aromatic ring-containing polymers represented by Formulae 1, 2 and 3:
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: May 21, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Kyong Ho Yoon, Jong Seob Kim, Dong Seon Uh, Hwan Sung Cheon, Chang Il Oh, Min Soo Kim, Jin Kuk Lee
  • Publication number: 20130122422
    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: Application
    Filed: August 20, 2012
    Publication date: May 16, 2013
    Applicant: 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: 8420289
    Abstract: An aromatic ring-containing polymer, a polymer mixture, an antireflective hardmask composition, and a method for patterning a material on a substrate, the aromatic ring-containing polymer including at least one aromatic ring-containing polymer represented by Formulae 1, 2, or 3.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: April 16, 2013
    Assignee: Cheil Industries, Inc.
    Inventors: Min Soo Kim, Dong Seon Uh, Chang Il Oh, Kyong Ho Yoon, Kyung Hee Hyung, Jin Kuk Lee, Jong-Seob Kim, Hwan Sung Cheon, Irina Nam, Nataliya Tokareva
  • Patent number: 8420287
    Abstract: Disclosed is a positive photosensitive resin composition that includes: (A) a polybenzoxazole precursor including a repeating unit represented by the Chemical Formula 1, a repeating unit represented by the Chemical Formula 2, or a combination thereof, and a thermally polymerizable functional group at least one terminal end of the polybenzoxazole precursor; (B) a photosensitive diazoquinone compound; (C) a silane compound; (D) a phenol compound including a cross-linking functional group; and (E) a solvent.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: April 16, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Young Jeong, Min-Kook Chung, Hyun-Yong Cho, Doo-Young Jung, Jong-Hwa Lee, Yong-Sik Yoo, Jeong-Woo Lee, Hwan-Sung Cheon