Patents by Inventor Chul Kwon

Chul Kwon 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: 9901899
    Abstract: A carbon dioxide adsorbent may include a double salt having a first metal salt and a second metal salt. The first metal salt may include a first metal selected from Ca, Sr, and Ba. The second metal salt may include a second metal selected from Li, Na, K, Rb, and Cs. The present disclosure also discloses a process for preparing the carbon dioxide adsorbent and a method of separating carbon dioxide using the same.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: February 27, 2018
    Assignees: Samsung Electronics Co., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Hyuk Jae Kwon, Soon Chul Kwon, Hyun Chul Lee, Ki-bong Lee, Chan Hyun Lee, Hee Jin Jang
  • Patent number: 9892918
    Abstract: A method of forming a pattern of a semiconductor device includes forming a lower film on a substrate having a first surface and a second surface at different levels, forming an upper film of hydrophobic material on the lower film, forming a block copolymer film on the upper film, phase-separating the block copolymer film to form first patterns spaced apart from one another and a second pattern spanning the first patterns and interposed between a bottom surface of each of the first patterns and the upper film, removing the first patterns, and performing an etch process using the second pattern or a residual part of the second pattern as an etch mask.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: February 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Sung Kim, Kyeong-Mi Lee, Seung-Chul Kwon, Jeong-Ju Park, Shi-Yong Yi
  • Patent number: 9839900
    Abstract: A carbon dioxide adsorbent includes a porous metal oxide represented by Chemical Formula 1, the porous metal oxide having a specific surface area of greater than or equal to about 30 m2/g, and an average pore size of greater than or equal to about 2 nm.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: December 12, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soon Chul Kwon, Hyuk Jae Kwon, Hyun Chul Lee, Jun Ho Lee
  • Publication number: 20170345357
    Abstract: A source driver for a display device includes a gamma voltage generation circuit, first through (2m)-th data driving circuits, and a switch circuit. The gamma voltage generation circuit generates R, G and B gamma voltages. The (2k?1)-th data driving circuits consecutively receive red image data and blue image data, and consecutively generate a R driving voltage and a B driving voltage using the R gamma voltages and B gamma voltages, respectively, during one horizontal period. The (2k)-th data driving circuits consecutively receive first green image data and second green image data, and consecutively generate a G1 driving voltage and a G2 driving voltage, respectively, using the G gamma voltages during the one horizontal period. The switch circuit outputs the R, B, G1, and G2 driving voltages through different data lines from each other based on a first selection signal and a second selection signal.
    Type: Application
    Filed: August 21, 2017
    Publication date: November 30, 2017
    Inventors: KI-HO KONG, Dong-Wook Suh, Hee-Jong Kim, Chang-Hee Shin, Hyeok-Chul Kwon, Hong-Keun Yune
  • Publication number: 20170327688
    Abstract: A thermoplastic resin composition of the present invention comprises: a thermoplastic resin comprising a (meth)acrylic resin and an aromatic vinyl-based resin; and a siloxane compound represented by the chemical formula 1. The thermoplastic resin composition has excellent scratch resistance, mar resistance, colorability, appearance characteristics and the like.
    Type: Application
    Filed: November 3, 2015
    Publication date: November 16, 2017
    Inventors: Byeong Yeol KIM, Yoen Kyoung KIM, Dong Hyun PARK, Yeon Wook CHUNG, Dong Hui CHU, Young Chul KWON, Kang Yeol PARK
  • Publication number: 20170326526
    Abstract: A carbon dioxide adsorbent may include a double salt having a first metal salt and a second metal salt. The first metal salt may include a first metal selected from Ca, Sr, and Ba. The second metal salt may include a second metal selected from Li, Na, K, Rb, and Cs. The present disclosure also discloses a process for preparing the carbon dioxide adsorbent and a method of separating carbon dioxide using the same.
    Type: Application
    Filed: February 12, 2015
    Publication date: November 16, 2017
    Applicant: Korea University Research and Business Foundation
    Inventors: Hyuk Jae KWON, Soon Chul KWON, Hyun Chul LEE, Ki Bong LEE, Chan Hyun LEE, Hee Jin JANG
  • Patent number: 9816725
    Abstract: A heat exchanger usable with a ventilator, the heat exchanger having an improved structure so that air passing through the heat exchanger may be prevented from leaking. The heat exchanger of the general inventive concept includes a heat-exchanging element having a plurality of liners stacked in a uniformly spaced state and a plurality of spacers disposed between the liners to define air passages, and corner guides respectively coupled to corners of the heat-exchanging element. Each of the corner guides includes a guide channel forming a space to receive the corner of the heat-exchanging element so that the corner guides securely come into close contact with the heat-exchanging element, and to minimize a loosening of the corner guide due to an adhesive applied between the heat-exchanging element and the corner guide.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: November 14, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Chul Kwon, Sung Woo Kim, Euy Sung Chu, Jee Yong Kim
  • Patent number: 9814907
    Abstract: The present invention relates to a recombinant self-assembled protein comprising a target-oriented peptide and a use thereof. The recombinant self-assembled protein according to the present invention, comprising a target-oriented peptide, does not require an additional process for providing target-orientedness, and is thus capable of delivering a desired drug to a target tissue or target cell without using additives, such as chemical binders or stabilizers; therefore, the protein can be used for photothermal therapy, drug delivery, imaging, or the like. In particular, according to the present invention, it is possible to prepare gold-protein nanoparticle fusions in which uniform high-density gold nanoparticles having target-orientedness are bound to protein surfaces, without an additional process of surface stabilization or process for providing target-orientedness.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: November 14, 2017
    Assignee: Korea University Research and Business Foundation
    Inventors: Jeewon Lee, Koo-Chul Kwon
  • Patent number: 9790369
    Abstract: Provided is a complex material that includes a first metal deposition layer, a first thermosetting resin layer positioned on one side of the first metal deposition layer, and a second thermosetting resin layer positioned on the other side of the first metal deposition layer.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: October 17, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young-Sin Kim, Kang-Yeol Park, Young-Chul Kwon, Seon-Ae Lee, Min-Young Lim
  • Patent number: 9741280
    Abstract: A source driver for a display device includes a gamma voltage generation circuit, first through (2m)-th data driving circuits, and a switch circuit. The gamma voltage generation circuit generates R, G and B gamma voltages. The (2k?1)-th data driving circuits consecutively receive red image data and blue image data, and consecutively generate a R driving voltage and a B driving voltage using the R gamma voltages and B gamma voltages, respectively, during one horizontal period. The (2k)-th data driving circuits consecutively receive first green image data and second green image data, and consecutively generate a G1 driving voltage and a G2 driving voltage, respectively, using the G gamma voltages during the one horizontal period. The switch circuit outputs the R, B, G1, and G2 driving voltages through different data lines from each other based on a first selection signal and a second selection signal.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: August 22, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Ho Kong, Dong-Wook Suh, Hee-Jong Kim, Chang-Hee Shin, Hyeok-Chul Kwon, Hong-Keun Yune
  • Publication number: 20170212145
    Abstract: A method of forming a micropattern, a substrate surface inspection apparatus, a cantilever set for an atomic force microscope, and a method of analyzing a surface of a semiconductor substrate, and a probe tip the method including forming pinning patterns on a semiconductor substrate; forming a neutral pattern layer in spaces between the pinning patterns; and inspecting a surface of a guide layer that includes the pinning patterns and the neutral pattern layer by using an atomic force microscope (AFM).
    Type: Application
    Filed: January 25, 2017
    Publication date: July 27, 2017
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Kyeong-mi LEE, Jeong-ju PARK, Shi-yong YI, Eun-sung KIM, Seung-chul KWON, Sang-ouk KIM, Young-joo CHOI
  • Publication number: 20170197202
    Abstract: An embodiment of the present invention provides a method for forming a metal oxide coating layer on a catalyst support, which comprises a precipitation step for forming a metal-containing precipitate on the catalyst support by contacting the catalyst support with a mixed solution containing a metal oxide precursor and a precipitant, and a calcination step for calcinating the metal-containing precipitate produced on the catalyst support to produce the metal oxide coating layer on the catalyst support.
    Type: Application
    Filed: April 18, 2016
    Publication date: July 13, 2017
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Kee Young KOO, Wang Lai YOON, Un Ho JUNG, Hyun Ji EOM, Soon Chul KWON
  • Patent number: 9704722
    Abstract: A method of forming a fine pattern includes forming pillar-shaped guides regularly arranged on a feature layer, forming a block copolymer layer on the feature layer around the pillar-shaped guides, phase separating the block copolymer layer, forming first domains regularly arranged on the feature layer with the pillar-shaped guides, forming a second domain on the feature layer surrounding the pillar-shaped guides and the first domains, removing the first domains, and forming holes corresponding with the first domains in the feature layer by etching the feature layer using the pillar-shaped guides and the second domain as etch masks. The block copolymer layer includes a polymer blend having first and second polymer blocks having first and second repeat units, respectively, a first homopolymer and a second homopolymer. The first domains include the first polymer block and the first homopolymer, and the second domain includes the second polymer block and the second homopolymer.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: July 11, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-ju Park, Seung-chul Kwon, Eun-sung Kim, Jae-woo Nam, Shi-yong Yi, Hyun-woo Kim
  • Publication number: 20170190895
    Abstract: A thermoplastic resin composition and a molded article produced using the same. The thermoplastic resin composition includes: a styrene-based copolymer resin; a rubber-modified acrylic graft copolymer; a silicone compound-containing branched copolymer; glass fibers; and metal particles, wherein a weight ratio of the branched copolymer to the glass fibers ranges from about 1:1 to about 6:1.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 6, 2017
    Inventors: Min Kyoung HAM, Young Chul KWON, Yeon Wook CHUNG, Dong Hui CHU
  • Patent number: 9653294
    Abstract: The present inventive concept provides a method of forming a fine pattern including forming a plurality of pillar-shaped guides that are regularly arranged on a feature layer.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: May 16, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-sung Kim, Dae-yong Kang, Seung-chul Kwon, Shi-yong Yi
  • Publication number: 20170129972
    Abstract: In a method of forming patterns, an object layer is formed on a substrate. Guide patterns are formed on the object layer. A brush layer is formed using a brush polymer on surfaces of the guide patterns. The brush polymer includes at least one of a first brush polymer and a second brush polymer. The first brush polymer includes a hydrophobic repeating unit and a hydrophilic terminal group having at least two hydroxyl groups. The second brush polymer includes a hydrophobic repeating unit and a hydrophilic random repeating unit having a hydroxyl group. A self-aligned layer is formed using a block copolymer on the brush layer to form blocks aligned around the guide patterns. At least a portion of the blocks is transferred to the object layer.
    Type: Application
    Filed: November 8, 2016
    Publication date: May 11, 2017
    Inventors: Jeong-Ju PARK, Seung-Chul KWON, Eun-Sung KIM, Kyeong-Mi LEE, Shi-Yong YI, Tsuyosh KUROSAWA, Katsumi OHMORI, Tasuku MATSUMIYA
  • Publication number: 20170125247
    Abstract: A method of forming a pattern of a semiconductor device includes forming a lower film on a substrate having a first surface and a second surface at different levels, forming an upper film of hydrophobic material on the lower film, forming a block copolymer film on the upper film, phase-separating the block copolymer film to form first patterns spaced apart from one another and a second pattern spanning the first patterns and interposed between a bottom surface of each of the first patterns and the upper film, removing the first patterns, and performing an etch process using the second pattern or a residual part of the second pattern as an etch mask.
    Type: Application
    Filed: August 18, 2016
    Publication date: May 4, 2017
    Inventors: EUN-SUNG KIM, KYEONG-MI LEE, SEUNG-CHUL KWON, JEONG-JU PARK, SHI-YONG YI
  • Publication number: 20170121518
    Abstract: A thermoplastic resin composition includes a base resin including a rubber-modified vinyl graft copolymer and an aromatic vinyl resin, and a siloxane compound including a repeat unit represented by Formula 1 and a repeat unit represented by Formula 2, wherein the repeat unit represented by Formula 1 and the repeat unit represented by Formula 2 are present in a mole ratio of about 2: about 1 to about 4: about 1 in the siloxane compound: wherein R1 and R3 are each independently a hydrogen atom or a C1 to C5 alkyl group, R2 is a C2 to C10 alkylene group, R4 is C1 to C20 alkyl group, and Ar is a C6 to C20 aryl group.
    Type: Application
    Filed: October 26, 2016
    Publication date: May 4, 2017
    Inventors: Sung Min HA, Young Chul KWON, Byeong Yeol KIM, Yoen Kyoung KIM, Cheon Seok YANG
  • Patent number: 9594389
    Abstract: Provided are a device and a method for automatically coordinating a protection device of a smart power distribution management system, wherein a protection coordination correction value of the protection device is calculated via topology analysis and system analysis of a distribution system so as to apply the result to a smart power distribution management system. The device for automatically coordinating a protection device as provided comprises: generating the topology information by obtaining the status information of the distribution system; setting machines, which transmit and received data when an event occurs, to communicate for each of a plurality of protection devices based on the topology information; calculating a system power flow including the power flow direction based on the topology information; and calculating a fault current which is generated upon the failure of the distribution system based on the topology information, thereby generating a protection coordination correction value.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: March 14, 2017
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Cheol-Min Chu, Sang-Yun Yun, Seong-Chul Kwon, Il-Keun Song
  • Patent number: 9590426
    Abstract: Disclosed herein is a system and method for managing a power distribution system in which has an improved system protection and fault section determination structure in consideration of distributed power supplies, has an improved server and communication structure for one-to-one synchronization measurement, and conducts real time system management and control. The system for managing the power distribution system uses field measurement data and an event signal to detect a protection coordination correction value of a protective device for protection of the system and a fault section of the power distribution system, performs real time system analysis using the field measurement data, and transmits control information including at least one of the protection coordination correction value, the fault section and the system analysis information to a DCP server.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: March 7, 2017
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Sang-Yun Yun, Cheol-Min Chu, Seong-Chul Kwon, Il-Keun Song