Patents by Inventor Yoo-Jin Jung

Yoo-Jin Jung 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: 9899580
    Abstract: A polyester resin composition comprises: (A) a first polyester resin having a melting temperature of greater than about 285° C.; (B) a second polyester resin having a melting temperature of less than or equal to about 285° C.; (C) a white pigment; and (D) an inorganic filler. The polyester resin composition may exhibit improved mechanical properties and discoloration resistance and can be used in a molded article, for example, as a LED reflector.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: February 20, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Yoo Jin Jung, Tae Gon Kang, Chan Moo Park, Jong Cheol Lim, Sang Hyun Hong
  • Patent number: 9890278
    Abstract: The present invention relates to a polyester-based thermoplastic resin composition comprising (A) a polyester resin, (B) a reactive polysiloxane and (C) a white pigment, having remarkable photostability, discoloration resistance and reflectance, thermal resistance, durability and mechanical strength, and capable of remarkably improving impact strength.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: February 13, 2018
    Assignee: Lotte Advance Materials Co., Ltd.
    Inventors: Tae Gon Kang, Chan Moo Park, Yoo Jin Jung, Jong Cheol Lim, Sang Hyun Hong
  • Patent number: 9890281
    Abstract: A thermoplastic resin composition for laser direct structuring and a molded article including the same. The thermoplastic resin composition includes: (A) a thermoplastic resin; (B) a laser direct structuring additive; and (C) an olefin copolymer.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: February 13, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Yoo Jin Jung, Eun Taek Woo, Jung Ki Kim, Na Ri Park, Sang Hyun Hong
  • Patent number: 9840610
    Abstract: A thermoplastic resin composition includes (A) a polyester resin, (B) inorganic fillers, and (C) a white pigment, wherein at least one of the (B) inorganic fillers and the (C) white pigment is subjected to surface treatment with a silicone compound, and silicon is present in an amount of about 0.3 wt % to about 2 wt % based on the total weight of (A), (B), and (C).
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: December 12, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Chan Moo Park, Tae Gon Kang, Yoo Jin Jung, Jong Cheol Lim, Sang Hyun Hong
  • Publication number: 20170037240
    Abstract: The present invention can provide a thermoplastic resin composition which contains (A) a polyester resin, (B) a white pigment, and (C) a silicon-containing graft copolymer, and thus has excellent light efficiency, discoloration resistance, and light stability, without degrading shock resistance and molding processability.
    Type: Application
    Filed: June 10, 2014
    Publication date: February 9, 2017
    Inventors: Yang Il KIM, Chan Moo PARK, Tae Gon KANG, Jong Cheol LIM, Yoo Jin JUNG, Sang Hyun HONG
  • Publication number: 20160319108
    Abstract: A polycarbonate resin composition and a molded article manufactured using the same. The polycarbonate resin composition includes: a polycarbonate resin; a metal compound; and a glass transition temperature regulator, wherein the glass transition temperature regulator contains phosphorus. The polycarbonate resin composition and a molded article manufactured using the same can have excellent properties in terms of impact resistance, flowability, and plating adhesive strength.
    Type: Application
    Filed: April 26, 2016
    Publication date: November 3, 2016
    Inventors: Eun Taek WOO, Eric Arifin, Jung Ki KIM, Na Ri PARK, Mi Rae JANG, Yoo Jin JUNG, Sang Hyun HONG
  • Publication number: 20160311999
    Abstract: A polycarbonate resin composition and a molded article manufactured using the same. The polycarbonate resin composition includes: (A) a polycarbonate resin including end groups, wherein the end groups include a hydroxyl group (—OH) in an amount of about 1% to about 20% based on the total weight (100 wt %) of all end groups; and (B) a metal compound comprising at least one of a metal oxide, a heavy metal complex oxide, and a copper salt. The polycarbonate resin composition and a molded article manufactured using the same can have excellent properties in terms of impact strength, flexural strength, and processability.
    Type: Application
    Filed: April 21, 2016
    Publication date: October 27, 2016
    Inventors: Yoo Jin JUNG, Eun Taek WOO, Eric Arifin, Jung Ki KIM, Na Ri PARK, Mi Rae JANG, Sang Hyun HONG
  • Publication number: 20160262636
    Abstract: The present invention relates to a health-abnormal condition alarm system using a multi bio-signal comprising: a wearable device which is configured to be worn on a user's body and senses the multi bio-signal; and a mobile communication terminal receiving a brainwave signal, a heartbeat signal, and a body temperature signal transmitted from the wearable device through a first communications network. The wearable device comprises a headset body, a plurality of electrodes, a brainwave detection unit, a heartbeat detection module, a body temperature detection unit, a headset wireless communication unit, and a headset controller.
    Type: Application
    Filed: September 1, 2015
    Publication date: September 15, 2016
    Applicant: SoSo Co.,Ltd
    Inventors: Dong-Bin MIN, Jae-Yong LEE, Dae-Sik KEUM, Yoon-Ha HWANG, Won-Pyo KIM, Sang-Tak KIM, Yoo-Jin JUNG
  • Publication number: 20160262704
    Abstract: The invention relates to a headset apparatus for detecting a multi bio-signal comprising: a headset body configured to be mounted on a user's head; a plurality of electrodes which are exposed on an outer surface of the headset body so as to be in contact with a forehead of a user when the headset body is mounted on a user's head; a brainwave detection unit which is embedded in the headset body and which detects a brainwave signal based on a signal detected by the plurality of electrodes; a heartbeat detection module which extends from the headset body through a signal cable and which is configured to be mounted on a user's ear to detect a heartbeat signal; and a headset controller to determine a complex stress index based on the brainwave signal detected by the brainwave detection unit and the heartbeat signal detected by the heartbeat detection module.
    Type: Application
    Filed: September 2, 2015
    Publication date: September 15, 2016
    Applicant: SoSo Co., Ltd.
    Inventors: Dong-Bin MIN, Jae-Yong LEE, Dae-Sik KEUM, Yoon-Ha HWANG, Won-Pyo KIM, Sang-Tak KIM, Yoo-Jin JUNG
  • Publication number: 20160208093
    Abstract: The present invention relates to a polyester-based thermoplastic resin composition comprising (A) a polyester resin, (B) a reactive polysiloxane and (C) a white pigment, having remarkable photostability, discoloration resistance and reflectance, thermal resistance, durability and mechanical strength, and capable of remarkably improving impact strength.
    Type: Application
    Filed: February 5, 2014
    Publication date: July 21, 2016
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Tae Gon KANG, Chan Moo PARK, Yoo Jin JUNG, Jong Cheol LIM, Sang Hyun HONG
  • Publication number: 20160185958
    Abstract: A thermoplastic resin composition for laser direct structuring and a molded article including the same. The thermoplastic resin composition includes: (A) a thermoplastic resin; (B) a laser direct structuring additive; and (C) an olefin copolymer.
    Type: Application
    Filed: December 22, 2015
    Publication date: June 30, 2016
    Inventors: Yoo Jin JUNG, Eun Taek WOO, Jung Ki KIM, Na Ri PARK, Sang Hyun HONG
  • Publication number: 20160168377
    Abstract: A polycarbonate resin composition and a molded article using the same is disclosed. The polycarbonate resin composition includes a polycarbonate resin (A); a rubber-modified aromatic vinyl copolymer (B); and an additive for laser directed structuring (C). The polycarbonate resin composition has a heat deflection temperature (HDT) of about 100° C. or more.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 16, 2016
    Inventors: Mi Rae JANG, Jung Ki KIM, Eun Taek WOO, Na Ri PARK, Yoo Jin JUNG, Sang Hyun HONG
  • Publication number: 20160090470
    Abstract: A thermoplastic resin composition includes (A) a polyester resin, (B) inorganic fillers, and (C) a white pigment, wherein at least one of the (B) inorganic fillers and the (C) white pigment is subjected to surface treatment with a silicone compound, and silicon is present in an amount of about 0.3 wt % to about 2 wt % based on the total weight of (A), (B), and (C).
    Type: Application
    Filed: September 23, 2015
    Publication date: March 31, 2016
    Inventors: Chan Moo PARK, Tae Gon KANG, Yoo Jin JUNG, Jong Cheol LIM, Sang Hyun HONG
  • Publication number: 20150376400
    Abstract: A thermoplastic resin composition includes: a polyester resin; a white pigment; a core-shell structured impact modifier; and a modified polyolefin resin. The thermoplastic resin composition and a molded article formed from the same can exhibit excellent properties in terms of reflectance, reflectance maintenance at high temperature, and/or flexural strength.
    Type: Application
    Filed: June 24, 2015
    Publication date: December 31, 2015
    Inventors: Tae Gon KANG, Chan Moo PARK, Yoo Jin JUNG, Yang Il KIM, Tae Soo KIM, Sang Hyun HONG
  • Publication number: 20150280085
    Abstract: A polyester resin composition includes: (A) a polyester resin which includes a polymer of a dicarboxylic acid component including an aromatic dicarboxylic acid and a diol component including an alicyclic diol having a trans/cis isomer ratio of about 2.3 or more; (B) a white pigment; and (C) inorganic fillers. A molded article formed from the polyester resin composition can exhibit improved mechanical properties and moldability, and thus can be suitable for light emitting diode (LED) reflectors.
    Type: Application
    Filed: March 31, 2015
    Publication date: October 1, 2015
    Inventors: Tae Gon KANG, Chan Moo PARK, Yoo Jin JUNG, Jong Cheol LIM, Sang Hyun HONG, Tae Soo KIM, Young Ho PARK
  • Publication number: 20150247035
    Abstract: A polyester resin composition comprises: (A) a first polyester resin having a melting temperature of greater than about 285° C.; (B) a second polyester resin having a melting temperature of less than or equal to about 285° C.; (C) a white pigment; and (D) an inorganic filler. The polyester resin composition may exhibit improved mechanical properties and discoloration resistance and can be used in a molded article, for example, as a LED reflector.
    Type: Application
    Filed: February 26, 2015
    Publication date: September 3, 2015
    Inventors: Yoo Jin JUNG, Tae Gon KANG, Chan Moo PARK, Jong Cheol LIM, Sang Hyun HONG
  • Publication number: 20150152241
    Abstract: A thermoplastic resin composition that can have high reflectance and light efficiency and excellent discoloration resistance even at high temperature and high humidity conditions over a long period of time includes (A) a polyester resin; (B) a white pigment; and (C) a sodium phosphate salt.
    Type: Application
    Filed: November 25, 2014
    Publication date: June 4, 2015
    Inventors: Sang Hyun HONG, Tae Gon KANG, Chan Moo PARK, Sang Hwa LEE, Yoo Jin JUNG, Jong Cheol LIM
  • Patent number: 9018296
    Abstract: A thermoplastic resin composition includes (A) a thermoplastic resin; (B) an inorganic filler; (C) a white pigment; (D) a photostabilizer; and (E) sodium phosphate salt, wherein the thermoplastic resin composition comprises about 0.1 to about 4.7% by weight of the inorganic filler (B) based on 100% by weight of a base resin composition including the thermoplastic resin (A), the inorganic filler (B), and the white pigment (C), wherein the thermoplastic resin composition can have excellent surface gloss, reflectance, anti-yellowing property and moldability.
    Type: Grant
    Filed: October 3, 2013
    Date of Patent: April 28, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Sang Hwa Lee, Jong Cheol Lim, In Geol Baek, Yoo Jin Jung
  • Patent number: 8957142
    Abstract: A polyamide resin composition includes (A) a semi-aromatic polyamide resin, (B) an inorganic filler, (C) a white pigment and (D) a phosphinate salt. The polyamide resin composition can have excellent heat resistance, reflectance, photostability and/or discoloration resistance.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: February 17, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Sang Hyun Hong, Sang Hwa Lee, Jong Cheol Lim, Yoo Jin Jung, Sang Kyun Lim
  • Publication number: 20140221539
    Abstract: A polyamide resin composition includes (A) a semi-aromatic polyamide resin, (B) an inorganic filler, (C) a white pigment and (D) a phosphinate salt. The polyamide resin composition can have excellent heat resistance, reflectance, photostability and/or discoloration resistance.
    Type: Application
    Filed: October 30, 2013
    Publication date: August 7, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Sang Hyun Hong, Sang Hwa Lee, Jong Cheol Lim, Yoo Jin Jung, Sang Kyun Lim