Patents by Inventor ChulMin Han

ChulMin Han 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: 12068528
    Abstract: A physically configurable communication device includes a conductive chassis. The physically configurable communication device includes a first device portion including one or more electrically driven antennas at least partially formed in the conductive chassis of the physically configurable communication device and an electrical feed in the first device portion connected to the one or more electrically driven antennas. The electrical feed is configured to supply a communication signal to the one or more electrically driven antennas. A second device portion is movably attached to the first device portion. The second device portion includes one or more capacitively coupled antennas at least partially formed in the conductive chassis of the physically configurable communication device, wherein each of the electrically driven antennas in the first device portion capacitively drives at least a corresponding one of the capacitively coupled antennas in the second device portion.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: August 20, 2024
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Marc Harper, Chulmin Han
  • Publication number: 20240276787
    Abstract: A display panel includes a base layer, a pixel defining layer which is disposed on the base layer and in which a light emitting opening is defined, a partition wall which is disposed on the pixel defining layer and in which a partition wall opening corresponding to the light emitting opening is defined, and a light emitting element including an anode, an intermediate layer, and a cathode that is in contact with the partition wall, the light emitting element being disposed in the partition wall opening. The partition wall includes a first partition wall layer disposed on the pixel defining layer and including a metal, and a second partition wall layer disposed on the first partition wall layer and including at least one of amorphous carbon, polycrystalline silicon, or n-type silicon.
    Type: Application
    Filed: November 29, 2023
    Publication date: August 15, 2024
    Inventors: CHULMIN BAE, JUNGYUN JO, JIHYE HAN, YUNG BIN CHUNG
  • Patent number: 11670838
    Abstract: An apparatus and associated method are provided involving a housing having a periphery configured to operate as a second antenna, a third antenna, and a fourth antenna. The periphery includes a top wall having a first slot formed therein, a first side wall having a second slot formed therein, and a second side wall having a third slot formed therein. The top wall is arranged between the first side wall and the second side wall, and a top portion of the periphery is defined between the second slot and the third slot. The top portion is divided into a first top side portion and a second top side portion via the first slot. Further, the first top side portion operates as the second antenna, and the second top side portion operates as both the third antenna and the fourth antenna.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: June 6, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chulmin Han, Wee Kian Toh, Wei Huang, Hongwei Liu
  • Publication number: 20220416404
    Abstract: A physically configurable communication device includes a conductive chassis. The physically configurable communication device includes a first device portion including one or more electrically driven antennas at least partially formed in the conductive chassis of the physically configurable communication device and an electrical feed in the first device portion connected to the one or more electrically driven antennas. The electrical feed is configured to supply a communication signal to the one or more electrically driven antennas. A second device portion is movably attached to the first device portion. The second device portion includes one or more capacitively coupled antennas at least partially formed in the conductive chassis of the physically configurable communication device, wherein each of the electrically driven antennas in the first device portion capacitively drives at least a corresponding one of the capacitively coupled antennas in the second device portion.
    Type: Application
    Filed: June 23, 2021
    Publication date: December 29, 2022
    Inventors: Marc HARPER, Chulmin HAN
  • Publication number: 20220173502
    Abstract: An apparatus and associated method are provided involving a housing having a periphery configured to operate as a second antenna, a third antenna, and a fourth antenna. The periphery includes a top wall having a first slot formed therein, a first side wall having a second slot formed therein, and a second side wall having a third slot formed therein. The top wall is arranged between the first side wall and the second side wall, and a top portion of the periphery is defined between the second slot and the third slot. The top portion is divided into a first top side portion and a second top side portion via the first slot. Further, the first top side portion operates as the second antenna, and the second top side portion operates as both the third antenna and the fourth antenna.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 2, 2022
    Inventors: Chulmin Han, Wee Kian Toh, Wei Huang, Hongwei Liu
  • Patent number: 11217880
    Abstract: An apparatus and associated method are provided involving a housing having a periphery configured to operate as a second antenna, a third antenna, and a fourth antenna. The periphery includes a top wall having a first slot formed therein, a first side wall having a second slot formed therein, and a second side wall having a third slot formed therein. The top wall is arranged between the first side wall and the second side wall, and a top portion of the periphery is defined between the second slot and the third slot. The top portion is divided into a first top side portion and a second top side portion via the first slot. Further, the first top side portion operates as the second antenna, and the second top side portion operates as both the third antenna and the fourth antenna.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: January 4, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chulmin Han, Wee Kian Toh, Wei Huang, Hongwei Liu
  • Publication number: 20210028536
    Abstract: An apparatus and associated method are provided involving a housing having a periphery configured to operate as a second antenna, a third antenna, and a fourth antenna. The periphery includes a top wall having a first slot formed therein, a first side wall having a second slot formed therein, and a second side wall having a third slot formed therein. The top wall is arranged between the first side wall and the second side wall, and a top portion of the periphery is defined between the second slot and the third slot. The top portion is divided into a first top side portion and a second top side portion via the first slot. Further, the first top side portion operates as the second antenna, and the second top side portion operates as both the third antenna and the fourth antenna.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Inventors: Chulmin Han, Wee Kian Toh, Wei Huang, Hongwei Liu
  • Patent number: 10847871
    Abstract: An apparatus and associated method are provided involving a housing having a periphery configured to operate as a second antenna, a third antenna, and a fourth antenna. The periphery includes a top wall having a first slot formed therein, a first side wall having a second slot formed therein, and a second side wall having a third slot formed therein. The top wall is arranged between the first side wall and the second side wall, and a top portion of the periphery is defined between the second slot and the third slot. The top portion is divided into a first top side portion and a second top side portion via the first slot. Further, the first top side portion operates as the second antenna, and the second top side portion operates as both the third antenna and the fourth antenna.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: November 24, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chulmin Han, Wee Kian Toh, Wei Huang, Hongwei Liu
  • Publication number: 20200194872
    Abstract: An apparatus and associated method are provided involving a housing having a periphery configured to operate as a second antenna, a third antenna, and a fourth antenna. The periphery includes a top wall having a first slot formed therein, a first side wall having a second slot formed therein, and a second side wall having a third slot formed therein. The top wall is arranged between the first side wall and the second side wall, and a top portion of the periphery is defined between the second slot and the third slot. The top portion is divided into a first top side portion and a second top side portion via the first slot. Further, the first top side portion operates as the second antenna, and the second top side portion operates as both the third antenna and the fourth antenna.
    Type: Application
    Filed: April 10, 2018
    Publication date: June 18, 2020
    Inventors: Chulmin Han, Wee Kian Toh, Wei Huang, Hongwei Liu
  • Patent number: 10236559
    Abstract: An apparatus and associated method are provided involving a housing having a periphery configured to operate as a second antenna, a third antenna, and a fourth antenna. The periphery includes a top wall having a first slot formed therein, a first side wall having a second slot formed therein, and a second side wall having a third slot formed therein. The top wall is arranged between the first side wall and the second side wall, and a top portion of the periphery is defined between the second slot and the third slot. The top portion is divided into a first top side portion and a second top side portion via the first slot. Further, the first top side portion operates as the second antenna, and the second top side portion operates as both the third antenna and the fourth antenna.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: March 19, 2019
    Assignee: Futurewei Technologies, Inc.
    Inventors: Chulmin Han, Wee Kian Toh, Wei Huang, Hongwei Liu
  • Publication number: 20180301787
    Abstract: An apparatus and associated method are provided involving a housing having a periphery configured to operate as a second antenna, a third antenna, and a fourth antenna. The periphery includes a top wall having a first slot formed therein, a first side wall having a second slot formed therein, and a second side wall having a third slot formed therein. The top wall is arranged between the first side wall and the second side wall, and a top portion of the periphery is defined between the second slot and the third slot. The top portion is divided into a first top side portion and a second top side portion via the first slot. Further, the first top side portion operates as the second antenna, and the second top side portion operates as both the third antenna and the fourth antenna.
    Type: Application
    Filed: April 14, 2017
    Publication date: October 18, 2018
    Inventors: Chulmin Han, Wee Kian Toh, Wei Huang, Hongwei Liu
  • Patent number: 9793597
    Abstract: A multi-frequency antenna comprising an IMD element, one or more active tuning elements and one or more parasitic elements. The IMD element is used in combination with the active tuning and parasitic elements for enabling a variable frequency at which the antenna operates, wherein, when excited, the parasitic elements may couple with the IMD element to change an operating characteristic of the IMD element.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: October 17, 2017
    Assignee: Ethertronics, Inc.
    Inventors: Jeff Shamblin, Chulmin Han, Rowland Jones, Sebastian Rowson, Laurent Desclos
  • Patent number: 9119223
    Abstract: Included is a mobile node (MN) comprising a first antenna configured to communicate with a wireless network, a second antenna configured to communicate with a wireless network, a first data line coupled to the first antenna, a second data line coupled to the second antenna, and a common ground trace coupled to the first data line and the second data line, wherein the first antenna and the second antenna are not directly connected to the common ground.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: August 25, 2015
    Assignee: Futurewei Technologies, Inc.
    Inventors: Chulmin Han, Xiaomeng Su
  • Publication number: 20150022408
    Abstract: A multi-frequency antenna comprising an IMD element, one or more active tuning elements and one or more parasitic elements. The IMD element is used in combination with the active tuning and parasitic elements for enabling a variable frequency at which the antenna operates, wherein, when excited, the parasitic elements may couple with the IMD element to change an operating characteristic of the IMD element.
    Type: Application
    Filed: March 18, 2014
    Publication date: January 22, 2015
    Inventors: Jeff Shamblin, Chulmin Han, Rowland Jones, Sebastian Rowson, Laurent Desclos
  • Publication number: 20140162719
    Abstract: Included is a mobile node (MN) comprising a first antenna configured to communicate with a wireless network, a second antenna configured to communicate with a wireless network, a first data line coupled to the first antenna, a second data line coupled to the second antenna, and a common ground trace coupled to the first data line and the second data line, wherein the first antenna and the second antenna are not directly connected to the common ground.
    Type: Application
    Filed: December 6, 2012
    Publication date: June 12, 2014
    Applicant: Futurewei Technologies, Co.
    Inventors: Chulmin Han, Xiaomeng Su
  • Patent number: 8717241
    Abstract: A multi-frequency antenna comprising an IMD element, one or more active tuning elements and one or more parasitic elements. The IMD element is used in combination with the active tuning and parasitic elements for enabling a variable frequency at which the antenna operates, wherein, when excited, the parasitic elements may couple with the IMD element to change an operating characteristic of the IMD element.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: May 6, 2014
    Assignee: Ethertronics, Inc.
    Inventors: Jeffrey Shamblin, Chulmin Han, Rowland Jones, Sebastian Rowson, Laurent Desclos
  • Patent number: 8421702
    Abstract: A multi-layer reactively loaded isolated magnetic (IMD) dipole with improved bandwidth and efficiency characteristics to be used in wireless communications and other applicable systems. The multi-layer IMD antenna comprises a first element positioned above a ground plane, a second element positioned above a ground plane and coupled to the first portion. Reactive components are integrated into one or both elements to optimize the frequency response of the antenna. The range of frequencies covered to be determined by the shape, size, and number of elements in the physical configuration of the components. Portions of or the entire ground plane can be removed beneath the elements.
    Type: Grant
    Filed: April 12, 2010
    Date of Patent: April 16, 2013
    Assignee: Ethertronics, Inc.
    Inventors: Laurent Desclos, Sebastian Rowson, Jeffrey Shamblin, Young Cha, Chulmin Han, Byoeng Sug Kwak
  • Publication number: 20120280871
    Abstract: A multi-frequency antenna comprising an IMD element, one or more active tuning elements and one or more parasitic elements. The IMD element is used in combination with the active tuning and parasitic elements for enabling a variable frequency at which the antenna operates, wherein, when excited, the parasitic elements may couple with the IMD element to change an operating characteristic of the IMD element.
    Type: Application
    Filed: November 4, 2011
    Publication date: November 8, 2012
    Applicant: ETHERTRONICS, INC.
    Inventors: Jeff Shamblin, Chulmin Han, Rowland Jones, Sebastian Rowson, Laurent Desclos
  • Patent number: 8077116
    Abstract: A multi-frequency antenna comprising an IMD element, one or more active tuning elements and one or more parasitic elements. The IMD element is used in combination with the active tuning and parasitic elements for enabling a variable frequency at which the antenna operates, wherein, when excited, the parasitic elements may couple with the IMD element to change an operating characteristic of the IMD element.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: December 13, 2011
    Assignee: Ethertronics, Inc.
    Inventors: Jeffrey Shamblin, Chulmin Han, Rowland Jones, Sebastian Rowson, Laurent Desclos
  • Patent number: 7932869
    Abstract: An antenna includes one or more antenna elements and a volume of material contained at least partly within a volume of the one or more antenna elements. The volume of material has at least one electromagnetic property that is different from free space. The volume of material may include dielectric material and/or ferrite material. The antenna elements may be isolated magnetic dipole (IMD) antenna elements. The electromagnetic property may be permeability and/or permittivity.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: April 26, 2011
    Assignee: Ethertronics, Inc.
    Inventors: Chulmin Han, Rowland Jones, Jeffrey Shamblin, Sabastian Rowson, Laurent Desclos