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).

  • Patent number: 12630714
    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: Grant
    Filed: August 24, 2021
    Date of Patent: May 19, 2026
    Assignee: Lotte Chemical Corporation
    Inventors: Yun Seok Bae, Hyun Je Lee, Kyun Ha Ban, Young Sub Jin
  • Publication number: 20260092173
    Abstract: A thermoplastic resin composition of the present invention comprises: approximately 100 weight parts thermoplastic resin comprising approximately 60-90 wt % polyaryletherketone resin and approximately 10-40 wt % polyarylethersulfone resin; approximately 1-4 weight parts carbon nanotubes; and approximately 2-7 weight parts graphite, wherein the average size of domains (polyarylether sulfone resin) in a matrix (polyaryletherketone resin) measured at 10,000 and 50,000 times magnification using a scanning electron microscope (SEM) is approximately 0.5 ?m or less. The thermoplastic resin composition is strong, has good abrasion resistance, impact resistance, and dissipation of electrostatic discharge, and has excellent balance of said physical properties.
    Type: Application
    Filed: September 19, 2023
    Publication date: April 2, 2026
    Inventors: Young Sub JIN, Jung Hun LEE, Bong Jae LEE
  • Publication number: 20260049213
    Abstract: A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a thermoplastic resin comprising about 60 to about 90 weight percent of a polyaryletherketone resin and about 10 to about 40 weight percent of a polyarylethersulfone resin; and about 0.5 to about 10 parts by weight of carbon nanotubes, wherein an average size of domains (polyarylether sulfone resin) in a matrix (polyaryletherketone resin) measured at 10,000 and 50,000 times magnification using a scanning electron microscope (SEM) is about 0.5 ?m or less. The thermoplastic resin composition is excellent in rigidity, impact resistance, balance of physical properties thereof, and the like.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 19, 2026
    Inventors: Young Sub JIN, Jung Hun LEE, Bong Jae LEE
  • Publication number: 20250368821
    Abstract: A thermoplastic resin composition of the present invention comprises: approximately 100 weight parts thermoplastic resin comprising approximately 60-90 wt % polyaryletherketone resin and approximately 10-40 wt % polyarylethersulfone resin; approximately 1-4 weight parts carbon nanotubes; and approximately 2-5 weight parts carbon black, wherein the average size of domains (polyarylether sulfone resin) in a matrix (polyaryletherketone resin) measured at 10,000 and 50,000 times magnification using a scanning electron microscope (SEM) is approximately 0.5 ?m or less. The thermoplastic resin composition is strong, has good abrasion resistance, impact resistance, and dissipation of electrostatic discharge, and has excellent balance of said physical properties.
    Type: Application
    Filed: September 19, 2023
    Publication date: December 4, 2025
    Inventors: Young Sub JIN, Jung Hun LEE, Bong Jae LEE
  • Patent number: 12448569
    Abstract: A liquid crystalline polymer composition of the present invention comprises: about 10-50% by weight of a liquid crystalline polymer, about 20-60% by weight of an aromatic sulfone polymer, and about 10-50% by weight of an inorganic filler having a pH of about 7-12. The liquid crystalline polymer composition has excellent fluidity, rigidity, and abrasion resistance, and generates little dust.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: October 21, 2025
    Assignee: Lotte Chemical Corporation
    Inventors: Yang Il Kim, Eric Arifin, Jung Hun Lee, Young Sub Jin, Bong Jae Lee
  • Publication number: 20250122425
    Abstract: A liquid crystalline polymer composition of the present invention comprises: about 10-50% by weight of a liquid crystalline polymer, about 20-60% by weight of an aromatic sulfone polymer, and about 10-50% by weight of an inorganic filler having a pH of about 7-12. The liquid crystalline polymer composition has excellent fluidity, rigidity, and abrasion resistance, and generates little dust.
    Type: Application
    Filed: August 19, 2022
    Publication date: April 17, 2025
    Inventors: Yang Il KIM, Eric ARIFIN, Jung Hun LEE, Young Sub JIN, Bong Jae LEE
  • 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: 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
  • 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
  • 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