Patents by Inventor Chan Kwak

Chan Kwak 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: 9755179
    Abstract: A conductor includes a plurality of metal nanostructures having a circular cross-sectional shape, where each of the metal nanostructure is surrounded by an organic material having a thickness of less than or equal to about 0.5 nm. A method of manufacturing a conductor includes preparing a metal nanostructure having a polygonal cross-sectional shape, and providing a metal nanostructure having a circular cross-sectional shape by supplying light to the metal nanostructure having a polygonal cross-sectional shape.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun Sung Woo, Jinyoung Hwang, Weonho Shin, Hyangsook Lee, Chan Kwak
  • Patent number: 9666324
    Abstract: A transparent conductive thin film and an electronic device including the same are disclosed, the transparent conductive thin film including a titanium nitride or a zirconium nitride having a heterometal element selected from zinc (Zn), gallium (Ga), indium (In), and a combination thereof.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: May 30, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeon Cheol Park, Kwang Hee Kim, Chan Kwak, Yoon Chul Son, Sang Mock Lee
  • Patent number: 9659681
    Abstract: Disclosed is a transparent conductive thin film and an electronic device including the same. The transparent conductive thin film may include a perovskite vanadium oxide represented by Chemical Formula 1, A1-xVO3±???[Chemical Formula 1] wherein A is a Group II element, 0?x<1, and ? is a number necessary for charge balance in the oxide.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: May 23, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Doh Won Jung, Hee Jung Park, Chan Kwak, Byungki Ryu, Kyu Hyoung Lee
  • Publication number: 20170139514
    Abstract: An electrical conductor includes a substrate; and a conductive layer disposed on the substrate and including a plurality of silver nanowires, wherein the silver nanowires exhibit a main peak assigned to a (111) crystal plane in an X-ray diffraction spectrum thereof, and a 2? full width at half maximum (FWHM) of the main peak after Gaussian fitting is less than about 0.40 degrees.
    Type: Application
    Filed: November 15, 2016
    Publication date: May 18, 2017
    Inventors: Mi Jeong KIM, Chan KWAK, Junghwa KIM, Dong Su KO, Kwanghee KIM, Jiye KIM
  • Publication number: 20170135208
    Abstract: An electrical conductor includes a substrate; and a first conductive layer disposed on the substrate and including a plurality of metal oxide nanosheets, wherein adjacent metal oxide nanosheets of the plurality of metal oxide nanosheets contact to provide an electrically conductive path between the contacting metal oxide nanosheets, wherein the plurality of metal oxide nanosheets include an oxide of Re, V, Os, Ru, Ta, Ir, Nb, W, Ga, Mo, In, Cr, Rh, Mn, Co, Fe, or a combination thereof, and wherein the metal oxide nanosheets of the plurality of metal oxide nanosheets have an average lateral dimension of greater than or equal to about 1.1 micrometers. Also an electronic device including the electrical conductor, and a method of preparing the electrical conductor.
    Type: Application
    Filed: November 3, 2016
    Publication date: May 11, 2017
    Inventors: Doh Won JUNG, Se Yun KIM, Jong Wook ROH, Jongmin LEE, Sungwoo HWANG, Jinyoung HWANG, Chan KWAK
  • Publication number: 20170133469
    Abstract: A transparent electrode including: a substrate; a first layer disposed on the substrate, the first layer including a graphene mesh structure, the graphene mesh structure including graphene and a plurality of holes; and a second layer disposed on the first layer, wherein the second layer includes a plurality of conductive nanowires.
    Type: Application
    Filed: August 15, 2016
    Publication date: May 11, 2017
    Inventors: Yun Sung WOO, Hiesang SOHN, Weonho SHIN, Eun-Hyoung CHO, Chan KWAK, Hyeon Cheol PARK, Youngjin CHO, Dong-Su KO, Woong KO, Kwanghee KIM
  • Publication number: 20170125136
    Abstract: A transparent electrode including: a first layer including a thermosetting copolymer including a first repeating unit having an aromatic moiety as a pendant group or incorporated in a backbone of the copolymer and a second repeating unit capable of lowering a curing temperature, a combination of a first polymer including the first repeating unit and a second polymer including the second repeating unit, or a combination thereof; a second layer disposed directly on one side of the first layer, wherein the second layer includes graphene; and a third layer disposed on the second layer, wherein the third layer includes an electrically conductive metal nanowire.
    Type: Application
    Filed: November 4, 2016
    Publication date: May 4, 2017
    Inventors: Hyeon Cheol PARK, Youngjin CHO, Daejin YANG, Chan KWAK, Kwanghee KIM, Weonho SHIN, Yun Sung WOO
  • Publication number: 20170110213
    Abstract: An electrical conductor includes: a first conductive layer including a plurality of ruthenium oxide nanosheets, wherein at least one ruthenium oxide nanosheet of the plurality of ruthenium oxide nanosheets includes a halogen, a chalcogen, a Group 15 element, or a combination thereof on a surface of the ruthenium oxide nanosheet.
    Type: Application
    Filed: October 18, 2016
    Publication date: April 20, 2017
    Inventors: Sungwoo HWANG, Se Yun KIM, Jong Wook ROH, Woojin LEE, Jongmin LEE, Doh Won JUNG, Chan KWAK
  • Publication number: 20170092387
    Abstract: An electrical conductor including a first conductive layer including a plurality of ruthenium oxide nanosheets, wherein the plurality of ruthenium oxide nanosheets include an electrical connection between contacting ruthenium oxide nanosheets and at least one of the plurality of ruthenium oxide nanosheets includes a plurality of metal clusters on a surface of the at least one ruthenium oxide nanosheet.
    Type: Application
    Filed: September 26, 2016
    Publication date: March 30, 2017
    Inventors: Se Yun KIM, Jong Wook ROH, Woojin LEE, Jongmin LEE, Doh Won JUNG, Sungwoo HWANG, Chan KWAK
  • Publication number: 20170094723
    Abstract: An electrical conductor including: a first conductive layer including a plurality of metal nanowires; and a second conductive layer disposed on a surface of the first conductive layer, wherein the second conductive layer includes a plurality of metal oxide nanosheets, wherein in the first conductive layer, a metal nanowire of the plurality of metal nanowires contacts at least two metal oxide nanosheets of the plurality of metal oxide nanosheets, and wherein the plurality of metal oxide nanosheets includes an electrical connection between contacting metal oxide nanosheets.
    Type: Application
    Filed: September 26, 2016
    Publication date: March 30, 2017
    Inventors: Se Yun KIM, Jong Wook ROH, Jongmin LEE, Doh Won JUNG, Sungwoo HWANG, Chan KWAK, Jinyoung HWANG
  • Patent number: 9598292
    Abstract: An oxide represented by Formula 1: (Sr2?xAx)(M1?yQy)D2O7+d,??Formula 1 wherein A is barium (Ba), M is at least one selected from magnesium (Mg) and calcium (Ca), Q is a Group 13 element, D is at least one selected from silicon (Si) and germanium (Ge), 0?x?2.0, 0<y?1.0, and d is a value which makes the oxide electrically neutral.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-jung Park, Chan Kwak, Tae-gon Kim, Sang-mock Lee, Doh-won Jung
  • Publication number: 20170040089
    Abstract: A method of preparing a conductor including a first conductive layer including a plurality of metal oxide nanosheets, the method including: preparing a coating liquid including a plurality of metal oxide nanosheets, wherein an intercalant is attached to a surface of the nanosheets, applying the coating liquid to a substrate to provide a first conductive layer including a plurality of metal oxide nanosheets, and performing a surface treatment on the first conductive layer to remove at least a portion of the intercalant.
    Type: Application
    Filed: July 21, 2016
    Publication date: February 9, 2017
    Inventors: Jongmin LEE, Se Yun KIM, Jong Wook ROH, Doh Won JUNG, Sungwoo HWANG, Chan KWAK
  • Publication number: 20170040566
    Abstract: A conductor includes a plurality of metal nanostructures having a circular cross-sectional shape, where each of the metal nanostructure is surrounded by an organic material having a thickness of less than or equal to about 0.5 nm. A method of manufacturing a conductor includes preparing a metal nanostructure having a polygonal cross-sectional shape, and providing a metal nanostructure having a circular cross-sectional shape by supplying light to the metal nanostructure having a polygonal cross-sectional shape.
    Type: Application
    Filed: January 22, 2016
    Publication date: February 9, 2017
    Inventors: Yun Sung WOO, Jinyoung HWANG, Weonho SHIN, Hyangsook LEE, Chan KWAK
  • Patent number: 9546415
    Abstract: Disclosed are a composite transparent electrode, a production method thereof, and an electronic device including the same, wherein the composite transparent electrode includes a metal nitride thin film including at least one of indium (In), titanium (Ti), zinc (Zn), zirconium (Zr), and gallium (Ga), and a metal oxide thin film including at least one of indium (In), zinc (Zn), tin (Sn), and titanium (Ti), the metal oxide thin film being formed on one surface or opposite surfaces of the metal nitride thin film.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: January 17, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeon Cheol Park, Kwang Hee Kim, Chan Kwak, Yoon Chul Son, Sang Mock Lee
  • Patent number: 9544999
    Abstract: A transparent electrode includes: a substrate; an electrically conductive layer disposed on the substrate and including a plurality of nano-sized conductors; and an organic/inorganic composite layer directly disposed on the electrically conductive layer and including a cross-linked polymer and nano-sized inorganic oxide particles, wherein the nano-sized inorganic oxide particles are included in an amount of greater than or equal to about 1 part by weight and less than about 35 parts by weight, relative to 100 parts by weight of the cross-linked polymer. Also an electronic device including the same.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: January 10, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Weonho Shin, Yun Sung Woo, Daejin Yang, Jinyoung Hwang, Chan Kwak, Hyeon Cheol Park, Jae-Young Choi
  • Publication number: 20160192483
    Abstract: A transparent electrode includes: a substrate; an electrically conductive layer disposed on the substrate and including a plurality of nano-sized conductors; and an organic/inorganic composite layer directly disposed on the electrically conductive layer and including a cross-linked polymer and nano-sized inorganic oxide particles, wherein the nano-sized inorganic oxide particles are included in an amount of greater than or equal to about 1 part by weight and less than about 35 parts by weight, relative to 100 parts by weight of the cross-linked polymer. Also an electronic device including the same.
    Type: Application
    Filed: October 21, 2015
    Publication date: June 30, 2016
    Inventors: Weonho SHIN, Yun Sung WOO, Daejin YANG, Jinyoung HWANG, Chan KWAK, Hyeon Cheol PARK, Jae-Young CHOI
  • Publication number: 20160180983
    Abstract: A transparent electrode including: a substrate; an undercoat disposed on the substrate; a conductive film disposed on the undercoat and including a plurality of conductive metal nanowires and a carboxyl group-containing cellulose; and an overcoat disposed on the conductive film. Also an electronic device including the transparent electrode.
    Type: Application
    Filed: October 20, 2015
    Publication date: June 23, 2016
    Inventors: Jinyoung HWANG, Kwanghee KIM, Chan KWAK, Hyeon Cheol PARK, Weonho SHIN, Yun Sung WOO, Jae-Young CHOI, Sungjin KIM, Hyosug LEE
  • Patent number: 9368804
    Abstract: A composite metal oxide represented by the formula Ma1?xMbxMcO4+x/2, wherein Ma is at least one element selected from alkaline earth metals, Mb is at least one element selected from lanthanoids, Mc is at least one element selected from Mo and W, and x is from about 0.1 to about 0.5.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: June 14, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-jung Park, Chan Kwak, Sung-jin Ahn, Doh-won Jung
  • Publication number: 20160153086
    Abstract: Disclosed is a substrate processing apparatus which is capable of improving uniformity of thin film to be deposited onto a substrate, and also freely adjusting productivity, wherein the substrate processing apparatus may include a process chamber for providing a process space; a substrate supporter, which is rotatably provided in the process space, for supporting at least one substrate; a chamber lid confronting the substrate supporter, the chamber lid for covering an upper side of the process chamber; and a gas distributing part for spatially separating the process space into first and second reaction spaces, and inducing the different kinds of deposition reactions in the respective first and second reaction spaces, wherein the gas distributing part is provided in the chamber lid.
    Type: Application
    Filed: July 23, 2014
    Publication date: June 2, 2016
    Applicant: Jusung Engineering Co., Ltd.
    Inventors: Jae Chan KWAK, Byoung Ha CHO, Chul-Joo HWANG
  • Patent number: 9346674
    Abstract: The catalyst for a fuel cell of the present invention includes a compound including at least one element selected from the group consisting of silicon, aluminum, and titanium, and a catalytic metal.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: May 24, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myoung-Ki Min, Chan-Hee Park, Hye-A Kim, Chan Kwak, Ho-Jin Kweon