Patents by Inventor Sang-Hyun Hong

Sang-Hyun Hong 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).

  • Thermoplastic Resin Composition for Laser Direct Structuring Process and Article Comprising the Same
    Publication number: 20190177499
    Abstract: A thermoplastic resin composition and a molded article including the same. The thermoplastic resin composition includes: about 100 parts by weight of a thermoplastic resin; about 1 to about 30 parts by weight of an additive for laser direct structuring (LDS additive); about 0.01 to about 5 parts by weight of a hindered phenol-based compound; about 0.01 to about 10 parts by weight of a sodium phosphate salt; about 0.01 to about 5 parts by weight of a phosphite compound; about 0.01 to about 5 parts by weight of a sulfonate compound; and about 0.01 to about 10 parts by weight of a metal oxide, wherein a weight ratio of the hindered phenol-based compound, the sodium phosphate salt, the phosphite compound and the sulfonate compound to the metal oxide may range from about 2:about 1 to about 10:about 1.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 13, 2019
    Inventors: Jee Kwon PARK, Ik Mo KIM, Nam Hyun KIM, Jung Ki KIM, Sang Hyun HONG
  • Block copolymer
    Patent number: 10308751
    Abstract: A block copolymer, a method for preparing a block copolymer, a resin composition, and a film are provided. The block copolymer can be useful in inhibiting complete separation of the hard segment even under a severe high-temperature condition by increasing the chemical cross-linking density around the hard segment without causing an increase in glass transition temperature of the hard segment, thereby maintaining high-temperature durability.
    Type: Grant
    Filed: September 1, 2014
    Date of Patent: June 4, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Min Ki Lee, Kee Young Kim, Han Na Chi, Sang Hyun Hong, Jeong Sik Bae
  • Thermoplastic resin composition having excellent light stability at high temperature
    Patent number: 10301449
    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: Grant
    Filed: November 25, 2014
    Date of Patent: May 28, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Sang Hyun Hong, Tae Gon Kang, Chan Moo Park, Sang Hwa Lee, Yoo Jin Jung, Jong Cheol Lim
  • Polyamide Resin Composition and Molded Article Comprising the Same
    Publication number: 20190127579
    Abstract: A polyamide resin composition and a molded article including the same are disclosed. The polyamide resin composition includes: (A) an aromatic polyamide resin; (B) an aliphatic polyamide resin; (C) a modified polyolefin resin; and (D) calcium carbonate. The polyamide resin composition can have good properties in terms of heat resistance, impact resistance, plating adhesion, and the like.
    Type: Application
    Filed: October 25, 2018
    Publication date: May 2, 2019
    Inventors: Kyung Rae KIM, Yeong Deuk SEO, Sang Hyun HONG
  • Polyester Resin Composition with Excellent Impact Resistance and Light Reliability and Molded Article Using the Same
    Publication number: 20190055399
    Abstract: A polyester resin composition and a molded article produced using the same. The polyester resin composition includes: (A) two polyester resins including an aliphatic ring structure and having different trans/cis isomer ratios in the aliphatic ring; (B) a white pigment; and (C) an inorganic filler, wherein the polyester resin composition has a crystallization temperature (Tc) of about 230° C. to about 250° C., as measured by differential scanning calorimetry (DSC) while cooling the resin composition at a cooling rate of ?100° C./min.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 21, 2019
    Inventors: Young Ho PARK, Tae Gon KANG, Yang Il KIM, Chan Moo PARK, Sang Hyun HONG
  • Polycarbonate resin composition and molded article comprising the same
    Patent number: 10131787
    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: Grant
    Filed: December 16, 2015
    Date of Patent: November 20, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Mi Rae Jang, Jung Ki Kim, Eun Taek Woo, Na Ri Park, Yoo Jin Jung, Sang Hyun Hong
  • Polyester resin composition with excellent impact resistance and light reliability and molded article using the same
    Patent number: 10131785
    Abstract: A polyester resin composition and a molded article produced using the same. The polyester resin composition includes: (A) two polyester resins including an aliphatic ring structure and having different trans/cis isomer ratios in the aliphatic ring; (B) a white pigment; and (C) an inorganic filler, wherein the polyester resin composition has a crystallization temperature (Tc) of about 230° C. to about 250° C., as measured by differential scanning calorimetry (DSC) while cooling the resin composition at a cooling rate of ?100° C./min. Exemplary compositions include a first poly(1,4-cyclohexylene dimethylene terephthalate) and a second poly(1,4-cyclohexylene dimethylene terephthalate) having different trans/cis isomer ratios in the cyclohexylene rings thereof, titanium oxide, glass fiber, and wollastonite.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: November 20, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young Ho Park, Tae Gon Kang, Yang Il Kim, Chan Moo Park, Sang Hyun Hong
  • Polycarbonate resin composition and molded article produced therefrom
    Patent number: 10125241
    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: Grant
    Filed: April 26, 2016
    Date of Patent: November 13, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Eun Taek Woo, Eric Arifin, Jung Ki Kim, Na Ri Park, Mi Rae Jang, Yoo Jin Jung, Sang Hyun Hong
  • PRESSURE-SENSITIVE ADHESIVE COMPOSITION
    Publication number: 20180282589
    Abstract: The present application relates to a pressure-sensitive adhesive composition, an optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. In the present application, a pressure-sensitive adhesive composition having all excellent physical properties such as endurance reliability and interface adhesiveness and being capable of minimizing light leakage occurring under high temperature or high-temperature and humidity conditions can be provided. The pressure-sensitive adhesive composition of the present application can be used for an optical film such as a protective film and a polarizing plate.
    Type: Application
    Filed: December 9, 2016
    Publication date: October 4, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Han Na Chi, Sung Soo Yoon, Kee Young Kim, Sang Hyun Hong, Su Jee Kwon
  • Thermoplastic Resin Composition and Molded Article Produced Therefrom
    Publication number: 20180244917
    Abstract: A thermoplastic resin composition of the present invention comprises: (A) an aromatic polyamide resin; (B) an aliphatic polyamide resin; (C) a first chelating agent comprising at least one of a carboxylic acid and a salt thereof, and an amino group; (D) a second chelating agent comprising an aromatic dicarboxylic acid; and (E) a filler. The thermoplastic resin composition has an excellent long-term heat stability, and thus has an advantage of maintaining mechanical properties even when exposed to high temperatures for a long period of time.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 30, 2018
    Inventors: Kyung Rae KIM, Chan Gyun SHIN, Hyoung Taek KANG, Sang Hyun HONG
  • Thermoplastic Resin Composition and Molded Article Produced Therefrom
    Publication number: 20180244919
    Abstract: A thermoplastic resin composition of the present invention comprises: (A) about 20 to about 70% by weight of an aromatic polyamide resin comprising at least two aromatic dicarboxylic acid units; (B) about 0.1 to about 20% by weight of an olefin-based copolymer; and (C) about 10% to about 60% by weight of an inorganic filler. The thermoplastic resin composition and a molded article produced therefrom are excellent in plateability, impact resistance, heat resistance and the like.
    Type: Application
    Filed: August 23, 2016
    Publication date: August 30, 2018
    Inventors: Ik Mo KIM, Kyung Rae KIM, Chan Gyun SHIN, Sang Hyun HONG, Hyoung Taek KANG
  • Thermoplastic Resin Composition for Laser Direct Structuring Process and Composite Comprising the Same
    Publication number: 20180187007
    Abstract: Disclosed herein is a thermoplastic resin composition for laser direct structuring. The thermoplastic resin composition includes: (A) about 60 wt % to about 75 wt % of a polycarbonate resin; (B) about 5 wt % to about 30 wt % of a continuous phase and dispersed phase-containing aromatic vinyl-diene-vinyl cyanide copolymer; (C) about 1 wt % to about 15 wt % of a core-shell type rubber-modified aromatic vinyl graft copolymer; and (D) about 1 wt % to about 10 wt % of an additive for laser direct structuring (LDS additive), wherein the thermoplastic resin composition has an RW of higher than about 1 to about 6, as defined by Equation 1: RW=WB/WC wherein WB denotes a weight of the continuous phase and dispersed phase-containing aromatic vinyl-diene-vinyl cyanide copolymer (B), and WC denotes a weight of the core-shell type rubber-modified aromatic vinyl graft copolymer (C).
    Type: Application
    Filed: December 28, 2017
    Publication date: July 5, 2018
    Inventors: Jung Ki Kim, Nam Hyun Kim, Ik Mo Kim, Jee Kwon Park, Yoo Jin Jung, Sang Hyun Hong
  • Thermoplastic Elastomer Composition and Molded Article Manufactured From the Same
    Publication number: 20180186997
    Abstract: A thermoplastic elastomer composition and a molded article manufactured using the same. The thermoplastic elastomer composition includes: a styrene block copolymer, an oil, a polyolefin resin, a polystyrene resin, and inorganic fillers, wherein the thermoplastic elastomer composition has a post-molding shrinkage rate of about 0.08% or less, as calculated by Equation 1 defined in the specification.
    Type: Application
    Filed: December 27, 2017
    Publication date: July 5, 2018
    Inventors: Kyoung Tae YOUM, Nam Hyun KIM, Sang Hyun HONG
  • Polycarbonate Resin Composition and Molded Article Using the Same
    Publication number: 20180187006
    Abstract: Disclosed herein is a polycarbonate resin composition. The polycarbonate resin composition includes: (A) 100 parts by weight of a polycarbonate resin; (B) about 1 part by weight to about 5 parts by weight of a core-shell type impact modifier having an average particle diameter (D50) of about 70 nm to about 130 nm; and (C) about 0.1 parts by weight to about 1 parts by weight of an olefin-(meth) acrylate copolymer, wherein the core-shell type impact modifier (B) includes a unit derived from a C1 to C6 alkyl (meth)acrylate and has a unimodal particle size distribution.
    Type: Application
    Filed: December 28, 2017
    Publication date: July 5, 2018
    Inventors: Mi Rae JANG, Jung Ki KIM, Yeong Deuk SEO, Sang Hyun HONG
  • Polycarbonate Resin Composition and Molded Product Using Same
    Publication number: 20180171137
    Abstract: A polycarbonate resin composition, according to the present invention, comprises: a polycarbonate resin; a polyester resin; and a metal compound, wherein the content ratio of the polycarbonate resin and polyester resin is from approximately 4:1 to approximately 9:1. The polycarbonate resin composition and a molded product using same have excellent physical properties, such as impact resistance, fluidity and the like, as well as excellent exterior and plating adhesion.
    Type: Application
    Filed: April 28, 2016
    Publication date: June 21, 2018
    Inventors: Eun Taek WOO, Yoo Jin JUNG, Eric ARIFIN, Jung Ki KIM, Na Ri PARK, Mi Rae JANG, Sang Hyun HONG
  • Thermoplastic Resin Composition for Laser Direct Structuring Process and Article Comprising the Same
    Publication number: 20180171138
    Abstract: Disclosed herein is a thermoplastic resin composition. The thermoplastic resin composition includes: a polycarbonate resin; a glycol-modified polyester resin having 1,4-cyclohexane dimethanol (CHDM) content of about 20 mol % to about 100 mol % in a diol component; inorganic fillers; and an additive for laser direct structuring (LDS additive). The thermoplastic resin composition can have good properties in terms of plating adhesion, appearance, surface hardness, and the like.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 21, 2018
    Inventors: Yoo Jin JUNG, Jung Ki KIM, Jee Kwon PARK, Sang Hyun HONG
  • Pressure sensitive adhesive composition
    Patent number: 9976062
    Abstract: The present applicant relates to a pressure-sensitive adhesive composition, and optical laminate, a polarizing plate, and a display device. In an embodiment of the present applicant, the pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive which has an excellent cohesive force or stress relaxation property, and thus has superior endurance reliability and light leakage suppression performance or the like may be provided. The pressure-sensitive adhesive composition according to an embodiment of the present applicant may be used, for example, for an optical film such as a polarizing plate or the like.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: May 22, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Sang Hyun Hong, Sung Soo Yoon, Min Ki Lee, Su Jeong Kim, Jeong Ae Yoon, Han Na Chi
  • Polyester resin composition having improved mechanical properties and anti-discoloration
    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
  • Thermoplastic resin composition for laser direct structuring and molded article comprising the same
    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
  • Thermoplastic resin composition with remarkable discoloration resistance and impact resistance
    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