Patents by Inventor Seung Jib Choi

Seung Jib Choi 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: 20160139455
    Abstract: A liquid crystal display (LCD) includes a thin film transistor positioned on a lower substrate; a plurality of color filters positioned on the thin film transistor and aligned to be spaced apart from each other; an insulation layer positioned on the plurality of color filters; a light-blocking layer positioned on the insulation layer; a transparent layer positioned on the light-blocking layer and having a convex shape; an upper substrate facing the lower substrate; and a liquid crystal layer interposed between the lower substrate and the upper substrate, wherein the light-blocking layer includes an organic black pigment, and the transparent layer having the convex shape has a different shape from the light-blocking layer.
    Type: Application
    Filed: July 1, 2015
    Publication date: May 19, 2016
    Inventors: Arum YU, Do-Uk KIM, Ji-Hye KIM, Ho-Jeong PAEK, Haeni SONG, Kyung-Won AHN, Young-Tai LEE, Jun-Ho LEE, Hye-Min LEE, Seung-Jib CHOI, Hyun-Moo CHOI
  • Publication number: 20160139507
    Abstract: A photosensitive resin composition includes (A) an acrylic-based binder resin including a repeating unit represented by Chemical Formula 1, wherein in Chemical Formula 1, each substituent is the same as defined in the detailed description; (B) a cardo-based binder resin including a repeating unit represented by Chemical Formula 2-1 and a repeating unit represented by Chemical Formula 2-2, wherein in Chemical Formula 2-1 and 2-2, each substituent is the same as defined in the detailed description; (C) reactive unsaturated compound; (D) an initiator; (E) a colorant; and (F) a solvent. A photosensitive resin film using the same and a color filter is also provided.
    Type: Application
    Filed: November 4, 2015
    Publication date: May 19, 2016
    Inventors: Lee-June KIM, Jee-Hyun RYU, Jung-Hwa LEE, Ju-Ho JUNG, Seung-Jib CHOI, Soo-Young HEO
  • Patent number: 9315606
    Abstract: A photocurable composition, a composition for encapsulation of an organic light emitting diode, and an encapsulated apparatus, wherein, in the photocurable composition, when A represents a glass-metal alloy die shear strength in kgf between a glass substrate and a Ni/Fe alloy after curing, and B represents curing shrinkage in % as determined by Equation 1, below, and the photocurable composition has a value for A/B of about 0.7 kgf/% or more and the glass-metal alloy die shear strength of about 2.5 kgf or more, Curing shrinkage=|(Specific gravity of solid photocurable composition after curing)?(Specific gravity of liquid photocurable composition before curing)|/(Specific gravity of liquid photocurable composition before curing)×100.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Ji Yeon Lee, Sung Min Ko, Seong Ryong Nam, Se Il Oh, Seung Jib Choi, Kyoung Jin Ha
  • Patent number: 9291743
    Abstract: Disclosed are a photosensitive resin composition including (A) a colorant including a compound represented by the following Chemical Formula 1 and Chemical Formula 2, wherein in Formulae 1 and 2, each substituent is the same as defined in the detailed description; (B) an acrylic-based binder resin; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, and a color filter using the same.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kyung-Hee Hyung, Nam-Gwang Kim, Yeon-Soo Lee, Yu-Jin Lee, In-Jae Lee, Chang-Ryul Lee, Ji-Young Jeong, Se-Young Choi, Seung-Jib Choi, Ji-Hyun Hwang
  • Publication number: 20160072098
    Abstract: The present invention relates to a photo-curing composition comprising (A) a photo-curable monomer, (B) a light-emitting substance, and (C) an initiator, wherein the light-emitting substance has a maximum light-emitting wavelength of about 400 to 500 nm during irradiation at a wavelength of 300-480 nm, and an encapsulated device comprising the same.
    Type: Application
    Filed: October 31, 2013
    Publication date: March 10, 2016
    Inventors: Chang Min LEE, Se Il OH, Sung Min KO, Ji Hye KWON, Seong Ryong NAM, Yeon Soo LEE, Ji Yeon LEE, Seung Jib CHOI, Kyoung Jin HA
  • 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: 9250520
    Abstract: Disclosed are a black photosensitive resin composition including (A) a binder resin; (B) a colorant including a pigment and a silica nanoparticle; (C) a photopolymerizable compound; (D) a photopolymerization initiator; and (E) a solvent, wherein the silica nanoparticle is included in an amount of about 1 part by weight to about 11 parts by weight based on about 100 parts by weight of the pigment, and a light blocking layer and a color filter using the same.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: February 2, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Hyun-Moo Choi, Arum Yu, Ho-Jeong Paek, Chang-Min Lee, Seung-Jib Choi
  • Publication number: 20160017170
    Abstract: The present invention relates to a photocurable composition including (A) a photocurable monomer, (B) a monomer of chemical formula 1 or an oligomer thereof and (C) an initiator, a barrier layer including the same and an enveloped device including the same.
    Type: Application
    Filed: October 31, 2013
    Publication date: January 21, 2016
    Inventors: Chang Min LEE, Seung Jib CHOI, Kyoung Jin HA, Sung Min KO, Ji Hye KWON, Seong Ryong NAM, Se Il OH, Yeon Soo LEE, Ji Yeon LEE
  • Publication number: 20160005995
    Abstract: The present invention relates to a thermosetting composition for an organic light-emitting element filler, which comprises (A) 100 parts by weight of an epoxy-based resin including (A1) an epoxy resin having a weight average molecular weight of around about 200 g/mol or more to less than about 1000 g/mol, (A2) an epoxy resin having a weight average molecular weight of around about 1000 g/mol or more to less than about 20000 g/mol and (A3) an epoxy resin having a weight average molecular weight of about 20000 g/mol or more to less than about 100000 g/mol, (B) about 10 parts by weight to about 40 parts by weight of a sheet-like filler and (C) about 0.1 parts by weight to about 20 parts by weight of an imidazole curing agent having a cyano group; and an organic light-emitting element display device comprising the same.
    Type: Application
    Filed: December 27, 2013
    Publication date: January 7, 2016
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Mi Sun KIM, Taek Jin BAEK, Gyu Seok SONG, In Jae SONG, Jin Ah LEE, Seung Jib CHOI
  • Publication number: 20150353668
    Abstract: The present invention relates to: a photocurable composition comprising a silicone-based compound having a repeating unit represented by the chemical formula A (linear or branched alkylene oxide having a carbon number 1-15) and a photocurable functional group; a barrier layer comprising the same; and an encapsulated device comprising the barrier layer.
    Type: Application
    Filed: September 30, 2013
    Publication date: December 10, 2015
    Inventors: Chang Soo WOO, Seung Woo CHANG, Hwan Sung CHUN, Seung Jib CHOI
  • Publication number: 20150344697
    Abstract: The present invention relates to an encapsulating composition, a barrier layer including the same, and an encapsulated apparatus including the same, and the composition comprises (A) a photocurable monomer and (B) a photocurable monomer containing a carboxylic acid group, wherein (B) the photocurable monomer containing the carboxylic acid group has an amide bond.
    Type: Application
    Filed: July 31, 2013
    Publication date: December 3, 2015
    Applicant: CHEIL INDUSTRIES, INC.
    Inventors: Seong Ryong NAM, Ji Hye KWON, Yeon Soo LEE, Ji Yeon LEE, Chang Min LEE, Min Haeng CHO, Seung Jib CHOI, Kyoung Jin HA
  • Publication number: 20150337065
    Abstract: The present invention relates to a photocured composition comprising (A) a photocurable monomer and (B) a monomer of chemical formula 1, a blocking layer comprising the same, and an encapsulated device comprising the same.
    Type: Application
    Filed: May 28, 2013
    Publication date: November 26, 2015
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Seong Ryong NAM, Seung Jib CHOI, Ji Hye KWON, Yeon Soo LEE, Ji Yeon LEE, Chang Min LEE
  • Publication number: 20150331316
    Abstract: A photosensitive resin composition includes (A) a binder resin including an epoxy resin; (B) a photopolymerizable monomer; (C) a photopolymerization initiator; (D) a colorant including a dye represented by the following Chemical Formula 1, wherein in the above Chemical Formula 1, each substituent is the same as defined in the detailed description; and (E) a solvent.
    Type: Application
    Filed: January 9, 2015
    Publication date: November 19, 2015
    Inventors: Se-Young CHOI, Jae-Young KWON, Eun-Bi PARK, Jung-Sun LEE, Chang-Ryul LEE, Ju-Ho JUNG, Mi-Jin CHOI, Seung-Jib CHOI, Kyung-Hee HYUNG
  • Publication number: 20150318482
    Abstract: The present invention relates to: a photocurable composition containing (A) a photocurable monomer and (B) a monomer containing phosphorus and an amide group; and a device including a barrier layer formed of the composition.
    Type: Application
    Filed: July 8, 2013
    Publication date: November 5, 2015
    Inventors: Ji Hye KWON, Hyo Young KWON, Seong Ryong NAM, Se Il OH, Chang Soo WOO, Yeon Soo LEE, Chang Min LEE, Seung Jib CHOI, Kyoung Jin HA
  • Patent number: 9175196
    Abstract: The present invention relates to a photocurable adhesive composition. The photocurable adhesive composition comprises a urethane(meth)acrylate resin, a functional-group-containing polybutadiene, a photocurable monomer and a photoinitiator; and the functional group is either an epoxy group or a hydroxyl group. The photocurable adhesive composition ensures good outdoor readability, has outstanding adhesive properties, and impact strength and optical transparency, and minimizes the phenomenon whereby substantial contraction occurs during photocuring, and thus can be suitably used for a display.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: November 3, 2015
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Kyoung Jin Ha, Ji Hye Kwon, Lee June Kim, Irina Nam, Se Il Oh, Seung Jib Choi
  • Patent number: 9170486
    Abstract: Disclosed are a method of manufacturing a black column spacer that includes preparing a substrate; forming a first organic layer on the substrate; forming a second organic layer on the first organic layer; performing exposure on the substrate on which the first organic layer and the second organic layer are formed using a half-tone mask; and developing the substrate and curing the resultant product, a black column spacer manufactured using the manufacturing method, and a color filter including the black column spacer.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: October 27, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Arum Yu, Ji-Hye Kim, Kyung-Won Ahn, Jun-Ho Lee, Seung-Jib Choi, Hyun-Moo Choi
  • Patent number: 9164385
    Abstract: A photosensitive resin composition includes (A) a cardo-based resin including a repeating unit represented by the following Chemical Formula 1; (B) a reactive unsaturated compound; (C) a pigment; (D) an initiator; and (E) a solvent. A light blocking layer can be made using the same. In the above Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: October 20, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Youn-Gi Lee, Chang-Min Lee, Min-Sung Kim, Seung-Hyun Kim, Dong-Hoon Won, Seung-Jib Choi
  • Publication number: 20150277224
    Abstract: Disclosed are a method of manufacturing a black column spacer that includes preparing a substrate; forming a first organic layer on the substrate; forming a second organic layer on the first organic layer; performing exposure on the substrate on which the first organic layer and the second organic layer are formed using a half-tone mask; and developing the substrate and curing the resultant product, a black column spacer manufactured using the manufacturing method, and a color filter including the black column spacer.
    Type: Application
    Filed: June 16, 2014
    Publication date: October 1, 2015
    Inventors: Arum YU, Ji-Hye KIM, Kyung-Won AHN, Jun-Ho LEE, Seung-Jib CHOI, Hyun-Moo CHOI
  • Patent number: 9146465
    Abstract: A photosensitive resin composition for a color filter includes (A) a dye including a cation moiety represented by the following Chemical Formula 1, wherein in Chemical Formula 1, each substituent is the same as defined in the detailed description; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) an acrylic-based binder resin; and (E) a solvent, and a color filter using the same.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: September 29, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Chang-Min Lee, Kwang-Won Seo, Yeon-Soo Lee, Sang-Won Cho, Seung-Jib Choi, Soo-Young Heo
  • Publication number: 20150198741
    Abstract: Disclosed are a photosensitive resin composition including (A) a colorant including a compound represented by the following Chemical Formula 1 and Chemical Formula 2, wherein in Formulae 1 and 2, each substituent is the same as defined in the detailed description; (B) an acrylic-based binder resin; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, and a color filter using the same.
    Type: Application
    Filed: September 8, 2014
    Publication date: July 16, 2015
    Inventors: Kyung-Hee HYUNG, Nam-Gwang KIM, Yeon-Soo LEE, Yu-Jin LEE, In-Jae LEE, Chang-Ryul LEE, Ji-Young JEONG, Se-Young CHOI, Seung-Jib CHOI, Ji-Hyun HWANG