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: 12269753
    Abstract: A ternary paraelectric having a Cc structure and a method of manufacturing the same are provided. The ternary paraelectric having a Cc structure includes a material having a chemical formula of A2B4O11 that has a monoclinic system, is a space group No. 9, and has a dielectric constant of 150 to 250, wherein “A” is a Group 1 element, and “B” is a Group 5 element. “A” may include one of Na, K, Li and Rb. “B” may include one of Nb, V, and Ta. The A2B4O11 material may be Na2Nb4O11 in which bandgap energy thereof is greater than that of STO. The A2B4O11 material may have relative density that is greater than 90% or more.
    Type: Grant
    Filed: July 21, 2023
    Date of Patent: April 8, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Giyoung Jo, Chan Kwak, Hyungjun Kim, Euncheol Do, Hyeoncheol Park, Changsoo Lee
  • Patent number: 12056302
    Abstract: An electronic device including a display unit including light-emitting areas providing an image and non-light-emitting areas adjacent to the light-emitting areas, and an input sensing unit disposed on the display unit and including: a first insulating layer disposed on the display unit; a first conductive layer disposed on the first insulating layer and including first conductive patterns; a second insulating layer including first contact holes exposing the first conductive patterns and second contact holes exposing the first insulating layer overlapping each other, and disposed on the first insulating layer and covering the first conductive layer; and a second conductive layer formed of mesh lines that cross each other and define mesh openings overlapping the corresponding light-emitting areas, in which each of the first contact holes and the second contact holes overlaps intersection portions of the mesh lines.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: August 6, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jinkyu Kim, Yeon-Mun Jeon, Byoung-Chan Kwak, Jooil Kim, Sangmin Baek, Jungchul Woo, Kwangrae Lee
  • Patent number: 11946154
    Abstract: Provided are a dielectric material, a device including the dielectric material, and a method of preparing the dielectric material, in which the dielectric material may include: a layered perovskite compound, wherein the layered perovskite compound may include at least one selected from a Dion-Jacobson phase, an Aurivillius phase, and a Ruddlesden-Popper phase, a temperature coefficient of capacitance (TCC) of a capacitance at 200° C. with respect to a capacitance at 40° C. may be in a range of about ?15 percent (%) to about 15%, and a permittivity of the dielectric material may be 200 or greater in a range of about 1 kilohertz (kHz) to about 1 megahertz (MHz).
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: April 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyungjun Kim, Chan Kwak, Takayoshi Sasaki, Yasuo Ebina, Changsoo Lee, Dohwon Jung, Giyoung Jo, Takaaki Taniguchi
  • Patent number: 11858860
    Abstract: A sintering jig according to the disclosure includes a first plate including a plurality of protrusions and a second plate stacked on the first plate and including through holes corresponding to the protrusions. The through hole includes a cylindrical portion through which the protrusion enter and exit and a conical portion widening towards an upper surface of the second plate from the cylindrical portion.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: January 2, 2024
    Assignee: Samsung Electronics Co. Ltd.
    Inventors: Giyoung Jo, Chan Kwak, Taewon Jeong
  • Patent number: 11858829
    Abstract: A ternary paraelectric having a Cc structure and a method of manufacturing the same are provided. The ternary paraelectric having a Cc structure includes a material having a chemical formula of A2B4O11 that has a monoclinic system, is a space group No. 9, and has a dielectric constant of 150 to 250, wherein “A” is a Group 1 element, and “B” is a Group 5 element. “A” may include one of Na, K, Li and Rb. “B” may include one of Nb, V, and Ta. The A2B4O11 material may be Na2Nb4O11 in which bandgap energy thereof is greater than that of STO. The A2B4O11 material may have relative density that is greater than 90% or more.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: January 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Giyoung Jo, Chan Kwak, Hyungjun Kim, Euncheol Do, Hyeoncheol Park, Changsoo Lee
  • Patent number: 11823838
    Abstract: A two-dimensional perovskite material, a dielectric material including the same, and a multi-layered capacitor. The two-dimensional perovskite material includes a layered metal oxide including a first layer having a positive charge and a second layer having a negative charge which are laminated, a monolayer nanosheet exfoliated from the layered metal oxide, a nanosheet laminate of a plurality of the monolayer nanosheets, or a combination thereof, wherein the two-dimensional perovskite material a first phase having a two-dimensional crystal structure is included in an amount of greater than or equal to about 80 volume %, based on 100 volume % of the two-dimensional perovskite material, and the two-dimensional perovskite material is represented by Chemical Formula 1.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: November 21, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Doh Won Jung, Jong Wook Roh, Daejin Yang, Chan Kwak, Hyungjun Kim, Woojin Lee
  • Patent number: 11824081
    Abstract: Provided are a dielectric thin film, an integrated device including the same, and a method of manufacturing the dielectric thin film. The dielectric thin film includes an oxide having a perovskite-type crystal structure represented by Formula 1 below and wherein the dielectric thin film comprises 0.3 at % or less of halogen ions or sulfur ions. A2-xB3-yO10-z??<Formula 1> In Formula 1, A, B, x, y, and z are disclosed in the specification.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: November 21, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changsoo Lee, Sangwoon Lee, Chan Kwak, Hyungjun Kim, Euncheol Do
  • Publication number: 20230357043
    Abstract: A ternary paraelectric having a Cc structure and a method of manufacturing the same are provided. The ternary paraelectric having a Cc structure includes a material having a chemical formula of A2B4O11 that has a monoclinic system, is a space group No. 9, and has a dielectric constant of 150 to 250, wherein “A” is a Group 1 element, and “B” is a Group 5 element. “A” may include one of Na, K, Li and Rb. “B” may include one of Nb, V, and Ta. The A2B4O11 material may be Na2Nb4O11 in which bandgap energy thereof is greater than that of STO. The A2B4O11 material may have relative density that is greater than 90% or more.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 9, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Giyoung JO, Chan KWAK, Hyungjun KIM, Euncheol DO, Hyeoncheol PARK, Changsoo LEE
  • Patent number: 11791373
    Abstract: Provided is a method of preparing a dielectric film having a nanoscale three-dimensional shape and including an oxide, the oxide represented by RAMBOC where R is a divalent element and M is a pentavalent element, the method may include synthesizing a target material, the target material including the divalent element and the pentavalent element; and forming the oxide by depositing the divalent element and the pentavalent element, from the target material, onto a substrate such that the oxide includes a perovskite-type crystal structure, 1.3<B/A<1.7, and 9.0?C<10.0.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: October 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyungjun Kim, Changsoo Lee, Chan Kwak, Euncheol Do
  • Patent number: 11781888
    Abstract: A reflected light wavelength scanning device having a silicon photonics interrogator is provided. The device includes: a light source module for outputting broadband light; an optical sensor that receives light output from the light source module through a circulator, reflects light in a specific band to the circulator, and transmits light in a band other than the specific band; and an interrogator for selectively injecting the polarized light by separating the polarized light from the reflected light input through the circulator.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: October 10, 2023
    Inventors: Hyung Myung Moon, Seung Chan Kwak, Jin Bong Kim, Sangyoon Han
  • Patent number: 11763989
    Abstract: Provided are a dielectric monolayer thin film, a capacitor and a semiconductor device each including the dielectric monolayer thin film, and a method of forming the dielectric monolayer thin film, the dielectric monolayer thin film including an oxide which is represented by Formula 1 and has a perovskite-type crystal structure, wherein the oxide has a surface chemically bonded with hydrogen. A2Bn?3CnO3n+1??<Formula 1> wherein, in Formula 1, A is a divalent element, B is a monovalent element, C is a pentavalent element, and n is a number from 3 to 8.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: September 19, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyungjun Kim, Taniguchi Takaaki, Sasaki Takayoshi, Osada Minoru, Chan Kwak, Youngnam Kwon, Changsoo Lee
  • Publication number: 20230214040
    Abstract: An electronic device including a display unit including light-emitting areas providing an image and non-light-emitting areas adjacent to the light-emitting areas, and an input sensing unit disposed on the display unit and including: a first insulating layer disposed on the display unit; a first conductive layer disposed on the first insulating layer and including first conductive patterns; a second insulating layer including first contact holes exposing the first conductive patterns and second contact holes exposing the first insulating layer overlapping each other, and disposed on the first insulating layer and covering the first conductive layer; and a second conductive layer formed of mesh lines that cross each other and define mesh openings overlapping the corresponding light-emitting areas, in which each of the first contact holes and the second contact holes overlaps intersection portions of the mesh lines.
    Type: Application
    Filed: March 10, 2023
    Publication date: July 6, 2023
    Inventors: Jinkyu KIM, Yeon-Mun JEON, Byoung-Chan KWAK, Jooil KIM, Sangmin BAEK, Jungchul woo, Kwangrae LEE
  • Patent number: 11664414
    Abstract: A stacked structure including: a single crystal substrate and, single crystal material on the single crystal substrate, wherein the single crystal material has a same crystallographic orientation as a crystallographic orientation of the single crystal substrate. Also a method of forming the stacked structure, a ceramic electronic component, and a device.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: May 30, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyungjun Kim, Doh Won Jung, Chan Kwak, Ki Hong Kim, Daejin Yang, Chang Soo Lee
  • Publication number: 20230087643
    Abstract: The present disclosure provides a method and apparatus for determining coupling and decoupling positions between trains. In at least one embodiment, the present disclosure provides a method performed by an apparatus for determining coupling and decoupling positions between trains, the method comprising collecting performance data, simulation data, and real-time data, calculating a first parameter and a second parameter, and determining the coupling and decoupling positions between the trains.
    Type: Application
    Filed: June 2, 2022
    Publication date: March 23, 2023
    Applicant: KOREA RAILROAD RESEARCH INSTITUTE
    Inventors: Suk Mun OH, Ho Chan KWAK, Ji Young SONG, Rag Gyo JEONG
  • Patent number: 11604524
    Abstract: An electronic device including a display unit and an input sensing unit including a sensing insulating layer including a first insulating layer disposed on the display unit, and a second insulating layer disposed on the first insulating layer and including first contact holes and second contact holes, a first sensing electrode including first sensing patterns and a plurality of first conductive patterns disposed between the first sensing patterns, and a second sensing electrode including second sensing patterns and second conductive patterns disposed between the second sensing patterns, in which the first sensing patterns and the first conductive patterns are coupled to each other through corresponding ones of the first contact holes, and at least one of the first sensing electrode and the second sensing electrode is in contact with the first insulating layer through the second contact holes.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: March 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jinkyu Kim, Yeon-Mun Jeon, Byoung-Chan Kwak, Jooil Kim, Sangmin Baek, Jungchul Woo, Kwangrae Lee
  • Publication number: 20220276076
    Abstract: A reflected light wavelength scanning device having a silicon photonics interrogator is provided. The device includes: a light source module for outputting broadband light; an optical sensor that receives light output from the light source module through a circulator, reflects light in a specific band to the circulator, and transmits light in a band other than the specific band; and an interrogator for selectively injecting the polarized light by separating the polarized light from the reflected light input through the circulator.
    Type: Application
    Filed: December 2, 2021
    Publication date: September 1, 2022
    Inventors: Hyung Myung Moon, Seung Chan Kwak, Jin Bong Kim, Sangyoon Han
  • Patent number: 11422658
    Abstract: An electrode structure includes: a first nonconductive layer; a first conductive layer disposed on the first nonconductive layer; a second nonconductive layer disposed on the first conductive layer; a second conductive layer disposed on the second nonconductive layer; and a third nonconductive layer disposed on the second conductive layer, where at least one of the first conductive layer and the second conductive layer includes a two-dimensional conductive material.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: August 23, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Kwak, Jae-Young Choi, Kwang Hee Kim, Jong Wook Roh, Hyeon Cheol Park, Weon Ho Shin, Yun Sung Woo, Hyosug Lee, Jinyoung Hwang
  • Patent number: 11358904
    Abstract: A dielectric material, a method of manufacturing thereof, and a dielectric device and an electronic device including the same. A dielectric material includes a layered metal oxide including a first layer having a positive charge and a second layer having a negative charge which are laminated, a monolayer nanosheet exfoliated from the layered metal oxide, a nanosheet laminate of the monolayer nanosheets, or a combination thereof, wherein the dielectric material includes a two-dimensional layered material having a two-dimensional crystal structure and the two-dimensional layered material is represented by Chemical Formula 1.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: June 14, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Wook Roh, Daejin Yang, Doh Won Jung, Chan Kwak, Hyungjun Kim
  • Publication number: 20220165840
    Abstract: Provided is a method of preparing a dielectric film having a nanoscale three-dimensional shape and including an oxide, the oxide represented by RAMBOC where R is a divalent element and M is a pentavalent element, the method may include synthesizing a target material, the target material including the divalent element and the pentavalent element; and forming the oxide by depositing the divalent element and the pentavalent element, from the target material, onto a substrate such that the oxide includes a perovskite-type crystal structure, 1.3<B/A<1.7, and 9.0?C<10.0.
    Type: Application
    Filed: May 3, 2021
    Publication date: May 26, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyungjun KIM, Changsoo LEE, Chan KWAK, Euncheol DO
  • Publication number: 20220085144
    Abstract: Provided are a dielectric thin film, an integrated device including the same, and a method of manufacturing the dielectric thin film. The dielectric thin film includes an oxide having a perovskite-type crystal structure represented by Formula 1 below and wherein the dielectric thin film comprises 0.3 at % or less of halogen ions or sulfur ions. A2-xB3-yO10-z ??<Formula 1> In Formula 1, A, B, x, y, and z are disclosed in the specification.
    Type: Application
    Filed: March 23, 2021
    Publication date: March 17, 2022
    Applicants: Samsung Electronics Co., Ltd., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Changsoo LEE, Sangwoon LEE, Chan KWAK, Hyungjun KIM, Euncheol DO