Patents by Inventor Cheol-Hee Park

Cheol-Hee Park 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: 10046973
    Abstract: Disclosed is an apparatus and method for manufacturing SiO, which may lower a manufacturing cost of SiO by collecting SiO continuously. The apparatus for manufacturing SiO includes a reaction unit configured to receive a SiO-making material and bring the received material into reaction by heating to generate a SiO gas; and a collecting unit configured to maintain an internal temperature lower than an internal temperature of the reaction unit, the collecting unit including a rotating member in an inner space thereof, wherein the collecting unit collects a SiO deposit by introducing the SiO gas generated by the reaction unit through an inlet formed at least at one side thereof and allowing the introduced SiO gas to be deposited to a surface of the rotating member.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: August 14, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sang-Yun Jung, Han-Nah Jeong, Cheol-Hee Park, Chee-Sung Park, Jae-Hyun Kim
  • Patent number: 10038132
    Abstract: Disclosed is a thermoelectric material with excellent thermoelectric performance. The thermoelectric material is expressed by Chemical Formula 1 below: CuxSe1-yQy??<Chemical Formula 1> where Q is at least one element selected from the group consisting of S and Te, 2<x?2.6 and 0<y<1.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: July 31, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Kyung-Moon Ko, Tae-Hoon Kim, Cheol-Hee Park
  • Patent number: 10002999
    Abstract: Disclosed is a thermoelectric conversion material with high performance. The thermoelectric material according to the present disclosure may be represented by the following chemical formula 1: CuxSe??<Chemical Formula 1> where 2<x?2.6.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: June 19, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Kyung-Moon Ko, Tae-Hoon Kim, Cheol-Hee Park
  • Publication number: 20180163036
    Abstract: A polypropylene composite resin composition and an automotive interior part molded using the polypropylene composite resin composition are provided herein. The polypropylene composite resin composition contains: (a) an easily injection moldable polypropylene polymer, (b) a thermoplastic elastomer for improving impact resistance, (c) a platy inorganic filler surface-treated with an organosilane having affinity for a phytoncide, (d) a phytoncide having deodorizing capability and aromaticity, (e) a processing oil preventing pyrolysis of the phytoncide, and (f) a surfactant for improving the compatibility between the base resin and the phytoncide at specific compositional ratios. The automotive interior part molded using the polypropylene composite resin composition disclosed herein provides a pleasant environment for drivers by removing the offensive odor from volatile organic compounds (VOCs), etc. and maintaining the intrinsic scent of the phytoncide for a long time.
    Type: Application
    Filed: November 15, 2017
    Publication date: June 14, 2018
    Inventors: Han Ki Lee, Mun Gyu Bak, Cheol Hee PARK, Seung Hyun LEE, Jae Min KIM
  • Patent number: 9992864
    Abstract: The present invention relates to a composition for forming a conductive pattern capable of forming a fine conductive pattern reducing degradation of mechanical physical properties and having excellent adhesion strength, on a polymeric resin product or resin layer, a method for forming a conductive pattern using the same, and a resin component having the conductive pattern. The composition for forming a conductive pattern includes: a polycarbonate-based resin; and particles of a non-conductive metal compound including a first metal and a second metal and having a spinel structure, wherein the particles have a particle diameter of 0.1 to 6 ?m; wherein a metal nuclei including the first metal, the second metal, or an ion thereof is formed from the particles of the non-conductive metal compound by electromagnetic wave irradiation. The non-conductive metal compound may have an average specific surface area of about 0.5 to 10 m2/g, preferably about 0.5 to 8 m2/g, more preferably about 0.7 to about 3 m2/g.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: June 5, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Shin Hee Jun, Jae Hyun Kim, Cheol-Hee Park, Chee-Sung Park, Jae Jin Kim, Han Nah Jeong, Eun Kyu Seong, Su Jeong Lee
  • Publication number: 20180135217
    Abstract: The present invention relates to a washing machine which can reduce energy required for a washing cycle and a drying cycle. The washing machine includes a moisture absorption element containing porous aluminosilicate, in which the porous aluminosilicate has a Si/Al atomic ratio of 15 or less and a total specific volume (Vtotal) of pores of 0.3 cm3/g, the Vtotal of pores being defined as sum of Vmeso and Vmicro.
    Type: Application
    Filed: July 27, 2016
    Publication date: May 17, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Sang Yun Jung, Cheol-Hee Park, Kwon Il Choi, Shin Hee Jun, Dae Ki Lee, Myoung hwan OH
  • Patent number: 9967974
    Abstract: The present invention relates to a composition for forming a conductive pattern, which is able to form a fine conductive pattern onto a variety of polymer resin products or resin layers by a very simple process, a method for forming the conductive pattern using the same, and a resin structure having the conductive pattern.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: May 8, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Chee-Sung Park, Cheol-Hee Park, Shin Hee Jun, Sang Yun Jung, Han Nah Jeong
  • Patent number: 9960334
    Abstract: Disclosed is a thermoelectric material with excellent thermoelectric conversion performance. The thermoelectric material is expressed by Chemical Formula 1 below: CuxSe1-yXy??<Chemical Formula 1> where X is at least one element selected from the group consisting of F, Cl, Br and I, 2<x?2.6 and 0<y<1.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: May 1, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Kyung-Moon Ko, Tae-Hoon Kim, Cheol-Hee Park
  • Patent number: 9941456
    Abstract: Disclosed is a thermoelectric material with excellent thermoelectric conversion performance. The thermoelectric material includes a matrix having Cu and Se, a Cu-containing particle, and an Ag-containing structure.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: April 10, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Kyung-Moon Ko, Tae-Hoon Kim, Cheol-Hee Park
  • Publication number: 20180090656
    Abstract: The present invention relates to a P-type skutterudite thermoelectric material, a method for preparing the same, and a thermoelectric device including the same. More specifically, the present invention relates to a P-type skutterudite thermoelectric material into which a specific filler and charge compensator are introduced, and which exhibits high thermoelectric performance, a method for preparing the same, and a thermoelectric device including the same.
    Type: Application
    Filed: November 2, 2016
    Publication date: March 29, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Yu Ho MIN, Su Jeong LEE, Ye Seul LEE, Cheol-Hee PARK, Jae Hyun KIM
  • Publication number: 20180033938
    Abstract: The present disclosure discloses a thermoelectric module to which a bonding technique for stably driving the thermoelectric module at high temperatures is applied and a method of manufacturing the thermoelectric module. The thermoelectric module according to the present disclosure includes thermoelectric elements including a thermoelectric semiconductor, an electrode which includes a metal material and is connected between the thermoelectric elements, and a bonding layer which is interposed between the thermoelectric element and the electrode to bond the thermoelectric element with the electrode and includes a metal compound including metals of two or more classes as a sintered body of a paste including metal powders of two or more classes.
    Type: Application
    Filed: July 21, 2016
    Publication date: February 1, 2018
    Inventors: Dae-Ki LEE, Dong-Sik KIM, Ye-Rok PARK, Jae-Ki LEE, Byung-Kyu LIM, Hyun-Woo CHOI, Cheol-Hee PARK, Seung-Hyup LEE
  • Publication number: 20180033939
    Abstract: Provided are: a compound semiconductor thermoelectric material, having excellent thermoelectric conversion performance by having an excellent power factor and ZT value, and in particular, having excellent thermoelectric conversion performance at a low temperature; a method for manufacturing the same; and a thermoelectric module, a thermoelectric generator, or a thermoelectric cooling device, etc. using the same. The compound semiconductor thermoelectric material according to the present invention comprises: an n-type compound semiconductor matrix; and n-type particles which are dispersed in the matrix, are compound semiconductors which are different from the matrix, and have an average particle size of 1 ?m to 100 ?m.
    Type: Application
    Filed: July 21, 2016
    Publication date: February 1, 2018
    Applicant: LG CHEM, LTD.
    Inventors: O-Jong KWON, Hyun-Woo CHOI, Byung-Kyu LIM, Myung-Jin JUNG, Cheol-Hee PARK
  • Publication number: 20180027559
    Abstract: Device-to-device operations are scheduled based on receive and transmit pools that may have a conflict in time domain. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus for resolving time domain conflict in device-to-device communication are provided. The apparatus may compute a first block rate metric for a first device-to-device communication on a first frequency and a second block rate metric for a second device-to-device communication on a second frequency. The apparatus may detect a time-domain conflict between the first device-to-device communication on the first frequency and the second device-to-device communication on the second frequency. The apparatus may prioritize the first device-to-device communication on the first frequency and the second device-to-device communication on the second frequency based on the first block rate metric and the second block rate metric.
    Type: Application
    Filed: July 20, 2016
    Publication date: January 25, 2018
    Inventors: Ashish IYER, Arvind SANTHANAM, Srinivasan BALASUBRAMANIAN, Daniel AMERGA, Scott HOOVER, Cheol Hee PARK, Srinivasan RAJAGOPALAN, Shailesh MAHESHWARI, Reza SHAHIDI
  • Patent number: 9872386
    Abstract: The present invention relates to a composition for forming a conductive pattern which allows micro conductive patterns to be formed on various polymeric resin products or resin layers by a very simplified process, a method for forming a conductive pattern using the composition, and a resin structure having the conductive pattern.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: January 16, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Chee-Sung Park, Cheol-Hee Park, Ha Na Lee, Han Nah Jeong, Jae Hyun Kim, Shin Hee Jun, Eun Kyu Seong, Su Jeong Lee
  • Patent number: 9848354
    Abstract: Systems and methods are described herein for managing uplink communication activities of a wireless communication device associated with a first subscription and a second subscription. First, a trigger event related to de-sensing of the first subscription by the second subscription is detected. The wireless communication device refrains from requesting uplink (UL) grants for the second subscription from a network for the second subscription in response to detecting the trigger event.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: December 19, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Amir Rajaee, Cheol Hee Park, Gang Xiao, Reza Shahidi, Muhammad Arif Munif
  • Publication number: 20170324519
    Abstract: Systems, methods, apparatuses, and media are provided for recovery of information from redundancy version packets in systematic encoding environments when a redundancy version packet containing primarily systematic information may be corrupted. A plurality of redundancy version packets may be received at a user equipment device from a transmission device. Each redundancy version packet of the plurality of redundancy version packets may be based on a same group of information bits. A first redundancy version packet of the plurality of redundancy version packets may contain more bits of the same group of information bits than do the other redundancy version packets of the plurality of redundancy version packets. The same group of information bits may be recovered based on one or more second redundancy version packets of the plurality of redundancy version packets but not based on the first redundancy version packet.
    Type: Application
    Filed: December 31, 2014
    Publication date: November 9, 2017
    Inventors: Jiming Guo, Xiaohui Liu, Cheol Hee Park, Chintan Shirish Shah, Reza Shahidi
  • Patent number: 9812707
    Abstract: Disclosed is lithium iron phosphate having an olivine crystal structure, wherein the lithium iron phosphate has a composition represented by the following Formula 1 and carbon (C) is coated on the particle surface of the lithium iron phosphate containing a predetermined amount of sulfur (S). Li1+aFe1?xMx(PO4?b)Xb??(1) (wherein M, X, a, x, and b are the same as defined in the specification).
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: November 7, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kuk Noh, Hong Kyu Park, Cheol-Hee Park, Su-min Park, JiEun Lee
  • Publication number: 20170297001
    Abstract: Provided are a core material for a vacuum insulation panel including porous aluminosilicate, and a vacuum insulation panel provided with the same. The core material for the vacuum insulation panel according to the present disclosure has superior long-term durability and improved gas adsorption ability (particularly, superior water absorption ability) while requiring a low raw material cost. The vacuum insulation panel including the core material may exhibit more improved insulation performance by minimizing a reduction in the vacuum degree without an additional getter or absorbent.
    Type: Application
    Filed: October 15, 2015
    Publication date: October 19, 2017
    Inventors: Sang Yun JUNG, Cheol-Hee PARK, Shin Hee JUN, Won Bae BYUN
  • Publication number: 20170297919
    Abstract: The present invention relates to a getter composition comprising magnesium oxide particle doped with alkali metal, a getter layer comprising the same, and an organic electronic device comprising the getter layer. The getter composition comprising magnesium oxide particle doped with alkali metal according to the present invention has remarkably improved hygroscopicity simultaneously with maintaining transparency of the previously used magnesium oxide particles, and thus, is used in a getter layer comprising the same and an organic electronic device comprising the getter layer, thereby effectively protecting water sensitive devices.
    Type: Application
    Filed: December 23, 2015
    Publication date: October 19, 2017
    Inventors: Won Bae BYUN, Donghwan KIM, Su Hee LEE, Cheol-Hee PARK
  • Publication number: 20170275764
    Abstract: The present invention relates to a composition for forming a conductive pattern by irradiation of electromagnetic waves capable of allowing excellent formation of a conductive micro-pattern on various polymer resin products comprising a polycarbonate resin or on resin layers by a simple method such as irradiation of electromagnetic waves and plating, and capable of reducing the degradation of the physical properties of the resin products or resin layers caused by the irradiation of electromagnetic waves, a method for forming a conductive pattern using the same, and a resin structure having a conductive pattern. The composition for forming a conductive pattern by irradiation of electromagnetic waves comprises: a polymer resin comprising a polycarbonate resin; and an electromagnetic wave-absorbing inorganic additive which absorbs an electromagnetic wave having a wavelength in the infrared region and satisfies the characteristic that a laser sensitivity Ls defined by a predetermined relational expression is 1.
    Type: Application
    Filed: October 21, 2015
    Publication date: September 28, 2017
    Inventors: Jae Hyun KIM, Shin Hee JUN, Jae Jin KIM, Han Nah JEONG, Chee-Sung PARK, Bu Gon SHIN, Cheol-Hee PARK