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).

  • Patent number: 10829577
    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: Grant
    Filed: May 28, 2013
    Date of Patent: November 10, 2020
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Seong Ryong Nam, Seung Jib Choi, Ji Hye Kwon, Yeon Soo Lee, Ji Yeon Lee, Chang Min Lee
  • Patent number: 10815391
    Abstract: A photocurable composition includes (A) a photocurable monomer and (B) a silicon-containing monomer or oligomer thereof, the silicon-containing monomer being represented by Formula 1
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: October 27, 2020
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Chang Min Lee, Seung Jib Choi, Ji Hye Kwon, Irina Nam, Jin Seong Park, Yeon Soo Lee, Kyoung Jin Ha
  • Patent number: 10392459
    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: Grant
    Filed: July 8, 2013
    Date of Patent: August 27, 2019
    Assignee: CHEIL INDUSTRIES, INC.
    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: 10233350
    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: Grant
    Filed: October 31, 2013
    Date of Patent: March 19, 2019
    Assignee: Cheil Industries, Inc.
    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
  • Patent number: 10048528
    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: Grant
    Filed: July 1, 2015
    Date of Patent: August 14, 2018
    Assignee: Samsung SDI Co., Ltd.
    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
  • Patent number: 10042087
    Abstract: Disclosed are a photosensitive resin composition for a color filter including (A) a colorant including a dye; (B) a photocurable dispersing agent; (C) an acrylic-based binder resin; (D) a photopolymerizable monomer; (E) a photopolymerization initiator; and (F) a solvent, and a color filter using the same.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: August 7, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ju-Ho Jung, Ji-Hye Kwon, Jee-Hyun Ryu, In-Jae Lee, Min-Kyeol Chung, Sang-Won Cho, Mi-Jin Choi, Seung-Jib Choi, Soo-Young Heo
  • Patent number: 10031418
    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: Grant
    Filed: November 4, 2015
    Date of Patent: July 24, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Lee-June Kim, Jee-Hyun Ryu, Jung-Hwa Lee, Ju-Ho Jung, Seung-Jib Choi, Soo-Young Heo
  • Patent number: 10011672
    Abstract: A photosensitive resin composition for a color filter includes (A) a yellow or orange dye; (B) a dye combination of a cyanine dye represented by the following Chemical Formula 1, wherein in Chemical Formula 1, each substituent is the same as described in the detailed description, and a metal complex dye; (C) an acrylic-based binder resin; (D) a photopolymerizable monomer; (E) a photopolymerization initiator; and (F) a solvent, and a color filter using the same.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: July 3, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: In-Jae Lee, Dong-Wan Kim, Ji-Hong Kim, Jee-Hyun Ryu, Ji-Young Jeong, Seung-Jib Choi
  • Patent number: 10007028
    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: Grant
    Filed: January 9, 2015
    Date of Patent: June 26, 2018
    Assignee: Samsung SDI Co., Ltd.
    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
  • Patent number: 9957335
    Abstract: A composition for encapsulation and an encapsulated apparatus, the composition including a (meth)acrylic alkoxysilane monomer including a moiety represented by Formula 1 or 2, below, or an oligomer thereof; a multifunctional (meth)acrylate monomer or an oligomer thereof; and an initiator, wherein * and ** represent a binding site between elements.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: May 1, 2018
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Kyoung Jin Ha, Ji Hye Kwon, Seong Ryong Nam, Yeon Soo Lee, Chang Min Lee, Seung Jib Choi
  • Patent number: 9887382
    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: Grant
    Filed: December 27, 2013
    Date of Patent: February 6, 2018
    Assignee: Cheil Industries, Inc.
    Inventors: Mi Sun Kim, Taek Jin Baek, Gyu Seok Song, In Jae Song, Jin Ah Lee, Seung Jib Choi
  • Publication number: 20170362462
    Abstract: A photocurable composition includes (A) a photocurable monomer and (B) a silicon-containing monomer or oligomer thereof, the silicon-containing monomer being represented by Formula 1
    Type: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Inventors: Chang Min LEE, Seung Jib CHOI, Ji Hye KWON, Irina NAM, Jin Seong PARK, Yeon Soo LEE, Kyoung Jin HA
  • Patent number: 9815843
    Abstract: A compound represented by Chemical Formula 1 wherein each substituent is the same as defined in the specification, a photosensitive resin composition including the same, and a color filter manufactured using the photosensitive resin composition are provided.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: November 14, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chae Won Pak, Hye Won Seo, Myoung Youp Shin, Eui Soo Jeong, Seung Jib Choi
  • Publication number: 20170107224
    Abstract: A compound represented by Chemical Formula 1 wherein each substituent is the same as defined in the specification, a photosensitive resin composition including the same, and a color filter manufactured using the photosensitive resin composition are provided.
    Type: Application
    Filed: September 15, 2016
    Publication date: April 20, 2017
    Inventors: Chae Won PAK, Hye Won SEO, Myoung Youp SHIN, Eui Soo JEONG, Seung Jib CHOI
  • Patent number: 9599898
    Abstract: A black photosensitive resin composition includes (A) pigment dispersion including at least two kinds of carbon black having different oil absorption from each other; (B) a binder resin; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent. A light-blocking layer can be formed using the same.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: March 21, 2017
    Assignee: Cheil Industries Inc.
    Inventors: Ho-Jeong Paek, Do-Uk Kim, Min-Sung Kim, Lee-June Kim, Jin-Woo Park, Young-Tai Lee, Young-Woong Jang, Seung-Jib Choi
  • Patent number: 9598582
    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: Grant
    Filed: July 31, 2013
    Date of Patent: March 21, 2017
    Assignee: 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
  • Patent number: 9587046
    Abstract: Disclosed are a photocurable composition which includes (A) a photocurable monomer and (B) a monomer represented by Formula 1, and an apparatus including a protective layers formed of the composition;
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: March 7, 2017
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Chang Min Lee, Seung Jib Choi, Ji Hye Kwon, Kyoung Jin Ha, Yeon Soo Lee
  • Patent number: 9562123
    Abstract: The present invention relates to a photocurable composition, to a barrier layer including same, and to an encapsulated device including same, wherein the composition comprises a photocurable monomer(A) and a silicon containing monomer(B), wherein the silicon containing monomers(B) has a structure according to Formula 1.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: February 7, 2017
    Assignee: Cheil Industries, Inc.
    Inventors: Chang Min Lee, Seung Jib Choi, Ji Hye Kwon, Yeon Soo Lee, Kyoung Jin Ha
  • Patent number: 9534069
    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: Grant
    Filed: September 30, 2013
    Date of Patent: January 3, 2017
    Assignee: Cheil Industries, Inc.
    Inventors: Chang Soo Woo, Seung Woo Chang, Hwan Sung Chun, Seung Jib Choi
  • Patent number: 9535190
    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: Grant
    Filed: August 27, 2014
    Date of Patent: January 3, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Se-Young Choi, Ju-Ho Jung, Myoung-Youp Shin, Nam-Gwang Kim, Hwan-Sung Cheon, Seung-Jib Choi, Kyung-Hee Hyung