Patents by Inventor Chee-Sung PARK

Chee-Sung 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).

  • Publication number: 20200377367
    Abstract: A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability at a low temperature, particularly at a temperature corresponding to the driving temperature of a thermoelectric element, and also exhibits an excellent thermoelectric performance index through an increase in a power factor and a decrease in thermal conductivity, a method for preparing the same, and a thermoelectric element including the same: V1-xMxSn4Bi2Se7-yTey ??[Chemical Formula 1] In the above Formula 1, V is a vacancy, M is an alkali metal, x is greater than 0 and less than 1, and y is Greater than 0 and less than or equal to 1.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 3, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Min Kyoung KIM, Yu Ho MIN, Cheol Hee PARK, Kyung Moon KO, Chee Sung PARK, Myung Jin JUNG
  • Patent number: 10837114
    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: Grant
    Filed: October 21, 2015
    Date of Patent: November 17, 2020
    Assignee: LG CHEM., LTD.
    Inventors: Jae Hyun Kim, Shin Hee Jun, Jae Jin Kim, Han Nah Jeong, Chee-Sung Park, Bu Gon Shin, Cheol-Hee Park
  • Publication number: 20200328335
    Abstract: A novel compound semiconductor that can be used for a solar battery, a thermoelectric material, and the like, and use thereof. The novel compound semiconductor may be represented by the following Chemical Formula: NdxSyCo4Sb12-zQz, wherein Q is one or more selected from the O, Se, or Te, 0<x<0.2, 0<y?1, and 0<z<12.
    Type: Application
    Filed: February 12, 2018
    Publication date: October 15, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Kyung Moon KO, Cheol Hee PARK, Min Kyoung KIM, Myung Jin JUNG, Chee Sung PARK
  • Publication number: 20200295247
    Abstract: A chalcogen-containing compound of the following Chemical Formula 1, which may have decreased thermal conductivity and improved power factor in the low temperature region, and thus exhibit an excellent thermoelectric figure of merit, a method for preparing the same, and a thermoelectric element including the same: V1Sna?xInxSb2Tea+3??[Chemical Formula l] wherein V, a and x are as defined in the specification.
    Type: Application
    Filed: August 23, 2019
    Publication date: September 17, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Minkyoung KIM, Cheol Hee PARK, Chee Sung PARK, Myungjin JUNG
  • Publication number: 20200283873
    Abstract: The present invention provides a novel compound semiconductor that has improved thermoelectric figure of merit as well as excellent electric conductivity, and thus, can be applied for various uses such as thermoelectric conversion material of a thermoelectric conversion device, a solar battery, and the like, and a method for preparing the same.
    Type: Application
    Filed: December 22, 2017
    Publication date: September 10, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Kyung Moon KO, Min Kyoung KIM, Cheol Hee PARK, Chee Sung PARK, Myung Jin JUNG, Yu Ho MIN
  • Publication number: 20200002168
    Abstract: A chalcogen-containing compound of the following chemical formula which exhibits an excellent thermoelectric performance index (ZT) through an increase in power factor and a decrease in thermal conductivity, a method for preparing the same, and a thermoelectric element including the same: MyV1-ySnxSb2Tex+3, wherein V is vacancy, M is at least one alkali metal, x?6, and 0<y?0.4.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 2, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Min Kyoung Kim, Yu Ho Min, Cheol Hee Park, Kyung Moon Ko, Chee Sung Park, Myung Jin Jung
  • Publication number: 20190375654
    Abstract: A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability at a temperature corresponding to the driving temperature of a thermoelectric element, and also exhibits an excellent thermoelectric performance index (ZT) through an increase in a power factor and a decrease in thermal conductivity, a method for preparing the same, and a thermoelectric element including the same: V1-xMxSn4-yPbyBi2Se7-zTez ??[Chemical Formula 1] In the above Formula 1, V is a vacancy, M is an alkali metal, x is greater than 0 and less than 1, y is greater than 0 and less than 4, and z is greater than 0 and less than or equal to 1.
    Type: Application
    Filed: May 11, 2018
    Publication date: December 12, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Min Kyoung KIM, Yu Ho MIN, Cheol Hee PARK, Kyung Moon KO, Chee Sung PARK, Jae Hyun KIM, Myung Jin JUNG
  • Publication number: 20190334071
    Abstract: A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability even at a low temperature, particularly at a temperature corresponding to an operating temperature of a thermoelectric element, and also exhibits a significantly superior power factor and thermoelectric performance index due to its excellent electrical conductivity and low thermal conductivity caused by its unique crystal lattice structure, a method for preparing the same, and a thermoelectric element including the same. [Chemical Formula 1]—V1-2xSn4Bi2-xAg3xSe7, wherein V is vacancy and 0<x<0.5.
    Type: Application
    Filed: June 5, 2018
    Publication date: October 31, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Min Kyoung KIM, Yu Ho MIN, Cheol Hee PARK, Kyung Moon KO, Chee Sung PARK, Myung Jin JUNG
  • Publication number: 20190334070
    Abstract: The present invention relates to a novel chalcogen-containing compound that exhibits excellent phase stability even at a temperature corresponding to the driving temperature of a thermoelectric element, and has a high output factor and thermoelectric figure of merit, a method for preparing the same, and a thermoelectric element including the same.
    Type: Application
    Filed: March 19, 2018
    Publication date: October 31, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Yu Ho MIN, Min Kyoung KIM, Cheol Hee PARK, Kyung Moon KO, Chee Sung PARK, Myung Jin JUNG
  • Patent number: 10396263
    Abstract: Disclosed is surface-treated thermoelectric powder which may be used for manufacturing a Skutterudite-based thermoelectric material with improved thermoelectric performance. The thermoelectric powder may include a core portion having one or more Skutterudite particles, and a coating portion having a Ni-containing material and coated on at least a part of a surface of the core portion.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: August 27, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Ki Lee, Tae-Hoon Kim, Cheol-Hee Park, Kyung-Moon Ko, Chee-Sung Park, Myung-Jin Jung
  • Patent number: 10354774
    Abstract: The present invention relates to a composition for forming a conductive pattern that enables forming conductive micropatterns on various polymer resin products or resin layers by a simplified process without deformation of the polymer resin products or resin layers, and enables effectively satisfying requirements of the art, and a resin structure having a conductive pattern.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: July 16, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Han Nah Jeong, Ha Na Lee, Cheol-Hee Park, Chee-Sung Park, Jae Hyun Kim, Shin Hee Jun, Ryul Lee, Min Ji Kim
  • Patent number: 10344385
    Abstract: Provided are a method for forming conductive pattern by direct radiation of an electromagnetic wave capable of forming fine conductive patterns on various kinds of polymer resin products or resin layers by a simplified process, and appropriately implementing the polymer resin products having white color or various colors, and the like, even without containing specific inorganic additives in the polymer resin itself, and a resin structure having the conductive pattern formed therefrom.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jae Hyun Kim, Shin Hee Jun, Jae Jin Kim, Chee-Sung Park, Eun Kyu Seong, Su Jeong Lee, Cheol-Hee Park, Han Nah Jeong, Sang Yun Jung
  • Patent number: 10349527
    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: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Chee-Sung Park, Han Nah Jeong, Sang Yun Jung, Cheol-Hee Park, Chan Yeup Chung, Jae Hyun Kim, Shin Hee Jun
  • Patent number: 10297363
    Abstract: The present invention relates to a composition for forming a conductive pattern and a resin structure having a conductive pattern, wherein the composition makes it possible to form a fine conducive pattern on various polymer resin products or resin layers through a simple process, and can more effectively meet needs of the art, such as displaying various colors.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: May 21, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Shin Hee Jun, Dae Ki Lee, Se Hui Sohn, Han Nah Jeong, Cheol-Hee Park, Chee-Sung Park, Jae Hyun Kim, Ha Na Lee
  • Publication number: 20190144277
    Abstract: A novel compound semiconductor which can be used for a solar cell, a thermoelectric material, or the like, and the use thereof.
    Type: Application
    Filed: December 22, 2017
    Publication date: May 16, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Kyung Moon KO, Cheol Hee PARK, Chee Sung PARK, Min Kyoung KIM
  • Patent number: 10183866
    Abstract: The present invention relates to a composition for forming a conductive pattern and a resin structure having a conductive pattern, wherein the composition makes it possible to form a fine conductive pattern on various polymer resin products or resin layers through a simple process, and can more effectively meet needs of the art, such as displaying various colors. The composition for forming a conductive pattern, comprises: a polymer resin; and a non-conductive metal compound having a predetermined chemical structure, and may be a composition for forming a conductive pattern through electromagnetic irradiation, by which a metal nucleus is formed from the non-conductive metal compound.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: January 22, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Han Nah Jeong, Chee-Sung Park, Ha Na Lee, Cheol-Hee Park, Jae Hyun Kim, Shin Hee Jun, Eun Kyu Seong, Su Jeong Lee
  • Patent number: 10121566
    Abstract: This disclosure relates to a composition for forming a conductive pattern that enables formation of fine conductive pattern on various polymer resin products or resin layers by a simplified process, and more effectively fulfills requirements of the art such as realization of various colors and the like, and a resin structure having a conductive pattern. The composition for forming a conductive pattern comprises a polymer resin; and a non-conductive metal compound including a first metal and a second metal, having a NASICON crystal structure represented by the following Chemical Formula 1, wherein a metal nucleus including the first metal or an ion thereof is formed from the non-conductive metal compound by electromagnetic irradiation.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: November 6, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Han Nah Jeong, Cheol-Hee Park, Sang Yun Jung, Jae Jin Kim, Chee-Sung Park, Jae Hyun Kim, Shin Hee Jun
  • Publication number: 20180269368
    Abstract: Disclosed is surface-treated thermoelectric powder which may be used for manufacturing a Skutterudite-based thermoelectric material with improved thermoelectric performance. The thermoelectric powder may include a core portion having one or more Skutterudite particles, and a coating portion having a Ni-containing material and coated on at least a part of a surface of the core portion.
    Type: Application
    Filed: December 16, 2015
    Publication date: September 20, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Jae-Ki LEE, Tae-Hoon KIM, Cheol-Hee PARK, Kyung-Moon KO, Chee-Sung PARK, Myung-Jin JUNG
  • 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: 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