Patents by Inventor Young Sub Jin

Young Sub Jin 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: 20230303838
    Abstract: The present invention relates to a thermoplastic resin composition and a molded product using same, the thermoplastic resin composition comprising (F) 0.2-3 parts by weight of a polyamide-based flow enhancer on the basis of 100 parts by weight of a basic composition, which comprises: (A) 40-60 wt % of a polyamide resin; (B) 15-30 wt % of an acrylonitrile-butadiene-styrene copolymer resin having a rubber polymer average diameter of 1,000-5,000 nm; (C) 5-10 wt % of an ethylene-based copolymer containing an acid anhydride group; (D) 2-8 wt % of a maleimide-based copolymer; and (E) 10-30 wt % of a carbon fiber.
    Type: Application
    Filed: August 24, 2021
    Publication date: September 28, 2023
    Inventors: Yun Seok BAE, Hyun Je LEE, Kyun Ha BAN, Young Sub JIN
  • Patent number: 11335272
    Abstract: An organic light-emitting diode (OLED) driving characteristic detection circuit is provided. The OLED driving characteristic detection circuit comprising a first current integrator receiving a first current via a first sensing channel and outputting a first sampling voltage based on the first current, a second current integrator receiving a second current via a second sensing channel and outputting a second sampling voltage based on the second current, and a sampling circuit receiving the first and second sampling voltages, followed by storing and holding the first and second sampling voltages, and removing common noise components included in the first and second sampling voltages, a third sampling capacitor and a fourth sampling capacitor which are connected to an output terminal of the second current integrator and store and hold the second sampling voltage, and a plurality of switches which connect first ends of the first sampling capacitor to the fourth sampling capacitor.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: May 17, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha Jun Lee, Jeong Ah Ahn, Ji-Yong Jeong, Suk-Yun Woo, Young Sub Jin
  • Publication number: 20210043148
    Abstract: An organic light-emitting diode (OLED) driving characteristic detection circuit is provided. The OLED driving characteristic detection circuit comprising a first current integrator receiving a first current via a first sensing channel and outputting a first sampling voltage based on the first current, a second current integrator receiving a second current via a second sensing channel and outputting a second sampling voltage based on the second current, and a sampling circuit receiving the first and second sampling voltages, followed by storing and holding the first and second sampling voltages, and removing common noise components included in the first and second sampling voltages, a third sampling capacitor and a fourth sampling capacitor which are connected to an output terminal of the second current integrator and store and hold the second sampling voltage, and a plurality of switches which connect first ends of the first sampling capacitor to the fourth sampling capacitor.
    Type: Application
    Filed: February 18, 2020
    Publication date: February 11, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ha Jun LEE, Jeong Ah Ahn, Ji-Yong Jeong, Suk-Yun Woo, Young Sub Jin
  • Patent number: 10435495
    Abstract: A copolymer includes (A) an aromatic vinyl-based monomer, (B) an unsaturated nitrile-based monomer, (C) a cross-linkable siloxane compound, and (D) an N-substituted maleimide-based monomer to realize a synergistic effect of matting characteristics and heat resistance properties. A thermoplastic resin composition including the copolymer, and a molded article including the thermoplastic resin composition are provided.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: October 8, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Joo Hyun Jang, Jae Won Heo, Bo Eun Kim, Kwang Soo Park, Yu Jin Jung, Ki Bo Chang, Young Sub Jin
  • Patent number: 10385166
    Abstract: The polyamide resin of the present invention is a polymer of a monomer mixture including a dicarboxylic acid and an amine-based compound, wherein the amine-based compound comprises diamine and triamine and a branching rate measured using 1H-NMR is approximately 1% to approximately 8%.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: August 20, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: So Young Kwon, Joon Sung Kim, Jin Kyu Kim, Sang Kyun Im, Il Kyoung Kwon, Ki Chul Son, Young Sub Jin, Sung Chul Choi
  • Publication number: 20180127545
    Abstract: A copolymerized polyamide resin includes a polymer of a monomer mixture comprising a dicarboxylic acid component comprising adipic acid and a dicarboxylic acid represented by Formula 1, wherein each R1 is independently a C1 to C5 alkyl group and a is an integer from 0 to 4, and a diamine component comprising m-xylene diamine and a diamine represented by Formula 2, wherein A is a single bond or a C1 to C10 hydrocarbon group, R2 and R3 are each independently a C1 to C5 alkyl group, and b and c are each independently an integer from 0 to 4, wherein the copolymerized polyamide resin has a difference between a melting temperature (Tm) and a crystallization temperature (Tc) of about 50° C. or more. The copolymerized polyamide resin may have excellent heat resistance and reduced or no gel generation and yellowing phenomenon in a molding process.
    Type: Application
    Filed: January 5, 2018
    Publication date: May 10, 2018
    Inventors: So Young KWON, Jin Kyu KIM, Young Sub JIN, Joon Sung KIM, Ki Yon LEE, Suk Min JUN
  • Patent number: 9902808
    Abstract: A copolymerized polyamide resin includes a polymer of a monomer mixture comprising a dicarboxylic acid component comprising adipic acid and a dicarboxylic acid represented by Formula 1, wherein each R1 is independently a C1 to C5 alkyl group and a is an integer from 0 to 4, and a diamine component comprising m-xylene diamine and a diamine represented by Formula 2, wherein A is a single bond or a C1 to C10 hydrocarbon group, R2 and R3 are each independently a C1 to C5 alkyl group, and b and c are each independently an integer from 0 to 4, wherein the copolymerized polyamide resin has a difference between a melting temperature (Tm) and a crystallization temperature (Tc) of about 50° C. or more. The copolymerized polyamide resin may have excellent heat resistance and reduced or no gel generation and yellowing phenomenon in a molding process.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: February 27, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: So Young Kwon, Jin Kyu Kim, Young Sub Jin, Joon Sung Kim, Ki Yon Lee, Suk Min Jun
  • Patent number: 9902850
    Abstract: A thermoplastic resin composition includes (A) a rubber-modified vinyl-based graft copolymer, (B) a silicone-modified aromatic vinyl-based copolymer, and (C) an aromatic vinyl-unsaturated nitrile-based copolymer. The thermoplastic resin composition can exhibit low-gloss characteristics and a synergistic effect of impact resistance and heat resistance.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: February 27, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Bo Eun Kim, Joo Hyun Jang, Kwang Soo Park, Jae Won Heo, Young Sub Jin
  • Publication number: 20180016394
    Abstract: The polyamide resin of the present invention is a polymer of a monomer mixture including a dicarboxylic acid and an amine-based compound, wherein the amine-based compound comprises diamine and triamine and a branching rate measured using 1H—NMR is approximately 1% to approximately 8%.
    Type: Application
    Filed: April 8, 2016
    Publication date: January 18, 2018
    Inventors: So Young KWON, Joon Sung KIM, Jin Kyu KIM, Sang Kyun IM, Il Kyoung KWON, Ki Chul SON, Young Sub JIN, Sung Chul CHOI
  • Patent number: 9856371
    Abstract: A thermoplastic resin composition includes (A) a graft rubber copolymer, (B) an aromatic vinyl-vinyl cyanide-based copolymer, and (C) a silicone-modified aromatic vinyl-vinyl cyanide-based copolymer. The silicone-modified aromatic vinyl-vinyl cyanide-based copolymer (C) has an average particle size of about 100 ?m or less.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: January 2, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Bo Eun Kim, Joo Hyun Jang, Jae Won Heo, Kwang Soo Park, Yu Jin Jung, Young Sub Jin
  • Patent number: 9796841
    Abstract: An aromatic vinyl copolymer is a polymer of a reaction mixture including: an aromatic vinyl compound; a vinyl cyanide compound; a silicone compound having at least two unsaturated reactive groups; and a C4 to C20 linear or branched alkyl group-containing acrylic compound. A thermoplastic resin composition including the aromatic vinyl copolymer can have excellent matting properties, impact resistance, flowability, and balance therebetween.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: October 24, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jae Won Heo, Joo Hyun Jang, Kwang Soo Park, Bo Eun Kim, Yu Jin Jung, Ki Bo Chang, Young Sub Jin
  • Patent number: 9745457
    Abstract: An aromatic vinyl copolymer is a polymer of a reaction mixture including: an aromatic vinyl compound; a vinyl cyanide compound; a first silicone compound having a weight average molecular weight of about 150 g/mol to less than about 6,000 g/mol and including at least two unsaturated reactive groups; and a second silicone compound having a weight average molecular weight of about 6,000 g/mol to about 100,000 g/mol and including at least two unsaturated reactive groups. A thermoplastic resin composition including the aromatic vinyl copolymer can exhibit excellent matting properties, impact resistance, and balance therebetween.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: August 29, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Joo Hyun Jang, Jae Won Heo, Bo Eun Kim, Kwang Soo Park, Yu Jin Jung, Ki Bo Chang, Young Sub Jin
  • Patent number: 9649617
    Abstract: A continuous solid-state polymerization device according to the present invention comprises: a feeder for injecting a prepolymer continuously; a transverse reactor connected to the feeder via a first connector to receive the prepolymer from the feeder and to perform solid-state polymerization, the reactor itself rotating; and a chamber connected to the transverse reactor via a second connector to receive a polymer, which has been discharged from the transverse reactor, and solid-state polymerization of which has been completed, and to discharge the polymer, wherein the transverse reactor has a demolding coating film formed on the inner wall thereof, and the feeder, the transverse reactor and the chamber are in a vacuum state. The continuous solid-state polymerization device can prevent formation of an interval, in which the prepolymer stagnates, and can perform solid-state polymerization continuously in a vacuum state without using inert gas.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: May 16, 2017
    Assignee: Lotte Advanced Mateirals Co., Ltd.
    Inventors: Sang Kyun Im, Ki Yon Lee, Shin Hyo Bae, Young Jun Kim, Kyoung Kyun Park, Young Sub Jin, Sang Hyun Jeon
  • Patent number: 9649616
    Abstract: The continuous solid-state polymerization device of the present invention comprises: a feeder for continuously introducing a prepolymer; a horizontal reactor which is connected via a first connecting part to the feeder and receives the prepolymer from the feeder so as to subject same to solid-state polymerization, wherein the reactor itself is rotated; a stirring device which comprises a stirring shaft rotating inside the horizontal reactor, in the direction opposite to that of the rotational axis of the horizontal reactor, and comprises stirring blades joined vertically to the stirring shaft; and a chamber which is connected via a second connecting part to the horizontal reactor and, once the solid-state polymerization has been completed, receives the resulting polymer discharged from the horizontal reactor, and, here, the feeder, the horizontal reactor and the chamber are in a vacuum state.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: May 16, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Sang Kyun Im, Suk Min Jun, Shin Hyo Bae, So Young Kwon, Eun Ju Lee, Young Sub Jin, Kyoung Kyun Park
  • Patent number: 9580528
    Abstract: A method for preparing a tetrapolymer includes preparing a suspension including an aromatic vinyl-based monomer, an unsaturated nitrile-based monomer, an N-substituted maleimide-based monomer, an ?-alkyl styrene-based monomer, and an inorganic dispersing agent, and polymerizing the suspension. The method for preparing a tetrapolymer can be useful in lowering a reaction temperature using suspension polymerization, and reducing a reaction time, thereby maximizing productivity. A tetrapolymer prepared by the method is also provided.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: February 28, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae Won Heo, Joo Hyun Jang, Bo Eun Kim, Kwang Soo Park, Natarajan Senthilkumar, Young Sub Jin
  • Patent number: 9580552
    Abstract: A polyamide ester resin includes: a repeat unit derived from a dicarboxylic acid; a repeat unit derived from a diamine; and a repeat unit represented by the following Formula 1, wherein the polyamide ester resin has a melting temperature (Tm) of about 280° C. or more. The polyamide ester resin can exhibit excellent properties in terms of moisture absorption resistance, heat resistance, discoloration resistance, fluidity and the like by using a cyclic ester. wherein R1 is a C3 to C12 linear, branched or cyclic alkylene group.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: February 28, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang Kyun Im, Shin Hyo Bae, Su Yeong Son, Ki Yon Lee, So Young Kwon, Joon Sung Kim, Jin Kyu Kim, Tae Joon Park, Young Sub Jin
  • Publication number: 20170044318
    Abstract: A copolymerized polyamide resin according to the present invention is characterized by comprising: a repeat unit derived from a dicarboxylic acid; a repeat unit derived from a diamine; and a repeat unit represented by Formula 1, wherein the copolymerized polyamide resin has a melting point (Tm) of about 280° C. to about 330° C. The copolymerized polyamide resin has excellent heat resistance and melt-process ability.
    Type: Application
    Filed: December 3, 2014
    Publication date: February 16, 2017
    Inventors: Sang Kyun IM, Shin Hyo BAE, So Young KWON, Tae Joon PARK, Joon Sung KIM, Jin Kyu KIM, Young Sub JIN
  • Patent number: 9522994
    Abstract: Disclosed herein are a vinyl copolymer and a thermoplastic resin composition including the same. The vinyl copolymer is prepared by copolymerization of (A) an aromatic vinyl monomer, (B) a vinyl cyanide monomer, and (C) a dimaleimide monomer.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: December 20, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Bo Eun Kim, Joo Hyun Jang, Jae Won Heo, Kwang Soo Park, Yu Jin Jung, Ki Bo Chang, Young Sub Jin
  • Publication number: 20160144337
    Abstract: The continuous solid-state polymerisation device of the present invention comprises: a feeder for continuously introducing a prepolymer; a horizontal reactor which is connected via a first connecting part to the feeder and receives the prepolymer from the feeder so as to subject same to solid-state polymerisation, wherein the reactor itself is rotated; a stirring device which comprises a stirring shaft rotating inside the horizontal reactor, in the direction opposite to that of the rotational axis of the horizontal reactor, and comprises stirring blades joined vertically to the stirring shaft; and a chamber which is connected via a second connecting part to the horizontal reactor and, once the solid-state polymerisation has been completed, receives the resulting polymer discharged from the horizontal reactor, and, here, the feeder, the horizontal reactor and the chamber are in a vacuum state.
    Type: Application
    Filed: October 22, 2013
    Publication date: May 26, 2016
    Inventors: Sang Kyun IM, Suk Min JUN, Shin Hyo BAE, So Young KWON, Eun Ju LEE, Young Sub JIN, Kyoung Kyun PARK
  • Publication number: 20160136611
    Abstract: A continuous solid-state polymerization device according to the present invention comprises: a feeder for injecting a prepolymer continuously; a transverse reactor connected to the feeder via a first connector to receive the prepolymer from the feeder and to perform solid-state polymerization, the reactor itself rotating; and a chamber connected to the transverse reactor via a second connector to receive a polymer, which has been discharged from the transverse reactor, and solid-state polymerization of which has been completed, and to discharge the polymer, wherein the transverse reactor has a demolding coating film formed on the inner wall thereof, and the feeder, the transverse reactor and the chamber are in a vacuum state. The continuous solid-state polymerization device can prevent formation of an interval, in which the prepolymer stagnates, and can perform solid-state polymerization continuously in a vacuum state without using inert gas.
    Type: Application
    Filed: November 21, 2013
    Publication date: May 19, 2016
    Inventors: Sang Kyun IM, Ki Yon LEE, Shin Hyo BAE, Young Jun KIM, Kyoung Kyun PARK, Young Sub JIN, Sang Hyun JEON