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).

  • COMPOSITION FOR FORMING CONDUCTIVE PATTERN, METHOD FOR FORMING CONDUCTIVE PATTERN USING SAME, AND RESIN STRUCTURE HAVING CONDUCTIVE PATTERN
    Publication number: 20170273182
    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: Application
    Filed: September 1, 2015
    Publication date: September 21, 2017
    Inventors: Chee-Sung PARK, Cheol-Hee PARK, Ha Na LEE, Ha Nah JEONG, Jae Hyun KIM, Hsin Hee JUN, Eun Kyu SEONG, Su Jeong LEE
  • COMPOSITION FOR FORMING CONDUCTIVE PATTERN AND RESIN STRUCTURE HAVING CONDUCTIVE PATTERN
    Publication number: 20170267526
    Abstract: The present invention relates to a composition for forming conductive patterns and a resin structure having a conductive pattern, capable of forming a conductive micropattern on various polymer resin products or resin layers using a simplified process and exhibiting excellent heat dissipation characteristics. The composition for forming conductive patterns comprises: a polymer resin; a non-conductive metal compound represented by a specific chemical formula; and a heat-dissipating material, wherein a metal nucleus is formed from the non-conductive metal compound by the irradiation of electromagnetic waves.
    Type: Application
    Filed: September 17, 2015
    Publication date: September 21, 2017
    Inventors: Kwon Il CHOI, Myong Jo HAM, Eon Seok LEE, Cheol-Hee PARK, Han Nah JEONG, Jae Hyun KIM, Shin Hee JUN, Eun Kyu SEONG
  • COMPOSITION FOR FORMING CONDUCTIVE PATTERN AND RESIN STRUCTURE HAVING CONDUCTIVE PATTERN
    Publication number: 20170263349
    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: Application
    Filed: September 17, 2015
    Publication date: September 14, 2017
    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
  • Method for manufacturing thermoelectric materials
    Patent number: 9761778
    Abstract: Disclosed is a method for manufacturing a thermoelectric material having high thermoelectric conversion performance in a broad temperature range. The method for manufacturing a thermoelectric material according to the present disclosure includes forming a mixture by weighing Cu and Se based on the following chemical formula 1 and mixing the Cu and the Se, and forming a compound by thermally treating the mixture: <Chemical Formula 1> CuxSe where 2<x?2.6.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: September 12, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Kyung-Moon Ko, Tae-Hoon Kim, Cheol-Hee Park, Jae-Ki Lee
  • Thermoelectric materials
    Patent number: 9761777
    Abstract: Disclosed is a thermoelectric conversion material having excellent performance. The thermoelectric material according to the present disclosure includes a matrix including Cu and Se, and Cu-containing particles.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: September 12, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Kyung-Moon Ko, Tae-Hoon Kim, Cheol-Hee Park, Jae-Ki Lee
  • Composition for forming conductive pattern and resin structure having conductive pattern thereon
    Patent number: 9756725
    Abstract: The present invention relates to a composition for forming a conductive pattern which is capable of forming a fine conductive pattern on a variety of polymeric resin products or resin layers by a simplified process, while imparting excellent flame retardancy to the resin products or resin layers, and a resin structure having the conductive pattern obtained using the composition. The composition for forming a conductive pattern includes: a polymer resin; a non-conductive metal compound including a first metal element and a second metal element, having a R3m or P63/mmc space group in crystal structure; and a flame retardant, wherein a metal nucleus including the first metal element, the second metal element or an ion thereof is formed from the non-conductive metal compound by the electromagnetic irradiation.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: September 5, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Shin Hee Jun, Chee-Sung Park, Jae Hyun Kim, Sang Yun Jung, Cheol-Hee Park, Han Nah Jeong
  • Method of manufacturing silicon oxide
    Patent number: 9741462
    Abstract: Provided is a method of manufacturing silicon oxide by which an amount of oxygen of the silicon oxide may be controlled. The method of manufacturing silicon oxide may include mixing silicon and silicon dioxide to be included in a reaction chamber, depressurizing a pressure of the reaction chamber to obtain a high degree of vacuum while increasing a temperature in the reaction chamber to a reaction temperature, and reacting the mixture of silicon and silicon dioxide in a reducing atmosphere.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: August 22, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sang Yun Jung, Han Nah Jeong, Cheol Hee Park, Hyun Chul Kim, Byung Kyu Lim
  • COMPOSITION FOR FORMING CONDUCTIVE PATTERN AND RESIN STRUCTURE HAVING CONDUCTIVE PATTERN
    Publication number: 20170236614
    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: Application
    Filed: September 17, 2015
    Publication date: August 17, 2017
    Applicant: 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
  • COMPOUND SEMICONDUCTOR AND MANUFACTURING METHOD THEREOF
    Publication number: 20170217783
    Abstract: Disclosed is a compound semiconductor material with excellent performance and its utilization. The compound semiconductor may be expressed by Chemical Formula 1 below: M1aCo4Sb12-xM2x ??Chemical Formula 1 where M1 and M2 are respectively at least one selected from In and a rare earth metal element, 0?a?1.8, and 0?x?0.6.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 3, 2017
    Inventors: Jae-Ki LEE, Tae-Hoon KIM, Cheol-Hee PARK
  • Thermoelectric materials
    Patent number: 9705060
    Abstract: Disclosed is a thermoelectric conversion material having excellent performance. The thermoelectric material according to the present disclosure includes Cu and Se, and has a plurality of different crystal structures together, in which Cu atoms and Se atoms are arranged in the crystal, at a predetermined temperature.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: July 11, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Kyung-Moon Ko, Tae-Hoon Kim, Cheol-Hee Park, Jae-Ki Lee
  • NOVEL COMPOUND SEMICONDUCTOR AND APPLICATION THEREOF
    Publication number: 20170170379
    Abstract: In the present disclosure, disclosed are a novel compound semiconductor which can be used as a thermoelectric material or the like, and applications thereof. A compound semiconductor according to the present disclosure can be represented by the following chemical formula 1: <Chemical formula 1>[Bi1?xMxCuu?wTwOa?yQ1yTebSez]Ac, where, in the chemical formula 1, M is one or more elements selected from the group consisting of Ba, Sr, Ca, Mg, Cs, K, Na, Cd, Hg, Sn, Pb, Mn, Ga, In, Tl, As and Sb; Q1 is one or more elements selected from the group consisting of S, Se, As and Sb; T is one or more elements selected from transition metal elements; A is one or more elements selected from the group consisting of transition metal elements and compounds of transition metal elements and group VI elements; and 0?x<1, 0.5?u?1.5, 0<w?1, 0.2<a<1.5, 0?y<1.5, 0?b<1.5, 0?z<1.5 and 0<c<0.2.
    Type: Application
    Filed: November 28, 2014
    Publication date: June 15, 2017
    Inventors: O-Jong KWON, Tae-Hoon KIM, Cheol-Hee PARK, Kyung-Moon KO
  • Composition and method for forming conductive pattern, and resin structure having conductive pattern thereon
    Patent number: 9668342
    Abstract: The present invention relates to a composition for forming a conductive pattern which is capable of forming a fine conductive pattern reducing deterioration of mechanical-physical properties and having excellent adhesion strength onto a variety of polymeric resin products or resin layers, a method for forming the conductive pattern using the same, and a resin structure having the conductive pattern. The composition for forming a conductive pattern includes a polymer resin; and non-conductive metal compound particles including a first metal element and a second metal element, having a R3m or P63/mmc space group in crystal structure, and having a particle size of 0.1 to 20 ?m, wherein a metal nuclei including the first metal or the second metal element or an ion thereof is formed from the non-conductive metal compound particles by electromagnetic irradiation.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: May 30, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Shin Hee Jun, Chee-Sung Park, Jae Hyun Kim, Sang Yun Jung, Cheol-Hee Park
  • Composition and method for forming conductive pattern, and resin structure having conductive pattern thereon
    Patent number: 9659682
    Abstract: The present invention relates to a composition for forming a conductive pattern capable of forming a fine conductive pattern on a variety of polymer resin products or resin layers by a significantly simple process, 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 includes: a polymer resin; and a non-conductive metal compound including at least one of first and second metals as a predetermined non-conductive metal compound including the first and second metals, wherein a metal core including the first or second metal, or an ion thereof is formed from the non-conductive metal compound by electromagnetic irradiation.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: May 23, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Chee-Sung Park, Jae Hyun Kim, Shin Hee Jun, Cheol-Hee Park, Eun Kyu Seong, Sang Yun Jung, Jae Jin Kim, Han Nah Jeong, Su Jeong Lee
  • Thermoelectric conversion material and producing method thereof, and thermoelectric conversion element using the same
    Patent number: 9660165
    Abstract: Thermoelectric conversion materials, expressed by the following formula: Bi1-xMxCu1-wOa-yQ1yTeb-zQ2z. Here, M is at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Cs, K, Na, Cd, Hg, Sn, Pb, Mn, Ga, In, Tl, As and Sb; Q1 and Q2 are at least one element selected from the group consisting of S, Se, As and Sb; x, y, z, w, a, and b are 0?x<1, 0<w<1, 0.2<a<4, 0?y<4, 0.2<b<4, 0?z<4 and x+y+z>0. These thermoelectric conversion materials may be used for thermoelectric conversion elements, where they may replace thermoelectric conversion materials in common use, or be used along with thermoelectric conversion materials in common use.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: May 23, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Cheol-Hee Park, Se-Hui Sohn, Seung-Tae Hong, Won-Jong Kwon, Tae-Hoon Kim
  • COMPOSITION FOR FORMING CONDUCTIVE PATTERN AND RESIN STRUCTURE HAVING CONDUCTIVE PATTERN
    Publication number: 20170140849
    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: Application
    Filed: August 3, 2015
    Publication date: May 18, 2017
    Applicant: 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
  • System and methods for providing a transmission skipping policy to improve performance in a multi-subscriber identity module (SIM) wireless communication device
    Patent number: 9648634
    Abstract: Methods and devices are disclosed for enabling improved performance on a multi-subscriber identification module (multi-SIM) wireless communication device. The wireless communication device may detect transmit activity on a modem stack associated with the first SIM, and detect a communication activity scheduled on a modem stack associated with the second SIM having a higher priority. If the transmit activity on the modem stack of the first SIM will impede the communication activity, the wireless device may identify subframes on the modem stack associated with the first SIM that overlap in time with the communication activity and for each identified subframe, blank symbols that conflict with the communication activity to develop a partially blanked subframe. The partially blanked subframe may be transmitted according to a blanking policy.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: May 9, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Anthony Fanous, Cheol Hee Park, Reza Shahidi, Jong Hyeon Park
  • Thermoelectric conversion material and producing method thereof, and thermoelectric conversion element using the same
    Patent number: 9620696
    Abstract: Compound semiconductors, expressed by the following formula: Bi1-xMxCuwOa-yQ1yTeb-zQ2z. Here, M is at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Cs, K, Na, Cd, Hg, Sn, Pb, Eu, Sm, Mn, Ga, In, Tl, As and Sb; Q1 and Q2 are at least one element selected from the group consisting of S, Se, As and Sb; x, y, z, w, a, and b are 0?x<1, 0<w?1, 0.2<a<4, 0?y<4, 0.2<b<4 and 0?z<4. These compound semiconductors may be used for various applications such as solar cells or thermoelectric conversion elements, where they may replace compound semiconductors in common use, or be used along with compound semiconductors in common use.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: April 11, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Cheol-Hee Park, Se-Hui Sohn, Seung-Tae Hong, Won-Jong Kwon, Tae-Hoon Kim
  • SYSTEMS AND METHODS FOR UPLINK ACTIVITY MANAGEMENT
    Publication number: 20170086094
    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: Application
    Filed: September 23, 2015
    Publication date: March 23, 2017
    Inventors: Amir Rajaee, Cheol Hee Park, Gang Xiao, Reza Shahidi, Muhammad Arif Munif
  • Silicon oxide and method of preparing the same
    Patent number: 9601768
    Abstract: The present invention relates to a method of preparing silicon oxide, in which the amounts of silicon and oxygen are appropriately controlled by decreasing the amount of the oxygen from silicon oxide containing a relatively large amount of oxygen, silicon oxide prepared by the method, and a secondary battery including the same. According to the method of preparing silicon oxide, silicon oxide (first silicon oxide) including a relatively large amount of oxygen is heat treated in a reducing atmosphere to decrease the amount of the oxygen in the silicon oxide (first silicon oxide) and to prepare silicon oxide (second silicon oxide) including silicon and oxygen in an appropriate amount (Si:SiO2=1:0.7-0.98), thereby improving capacity and initial efficiency and securing stability and cycle properties (lifetime characteristics) of the secondary battery.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: March 21, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Byung Kyu Lim, Sang Yun Jung, Cheol Hee Park, Han Nah Jeong, Je Young Kim, Yong Ju Lee, Hyun Chul Kim
  • Compound semiconductors and their applications
    Patent number: 9561959
    Abstract: Disclosed is a new compound semiconductor material which may be used for thermoelectric material or the like, and its applications. The compound semiconductor may be represented by Chemical Formula 1 below: Chemical Formula 1 Bi1-xMxCu1-wTwOa-yQ1yTebSez where, in Chemical Formula 1, M is at least one selected from the group consisting of Ba, Sr, Ca, Mg, Cs, K, Na, Cd, Hg, Sn, Pb, Mn, Ga, In, Tl, As and Sb, Q1 is at least one selected from the group consisting of S, Se, As and Sb, T is at least one selected from the group consisting of transition metal elements, 0?x<1, 0<w<1, 0.2<a<1.5, 0?y<1.5, 0?b<1.5 and 0?z<1.5.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: February 7, 2017
    Assignee: LG CHEM, LTD.
    Inventors: O-Jong Kwon, Tae-Hoon Kim, Cheol-Hee Park, Kyung-Moon Ko, Chan-Yeup Chung