Patents by Inventor Chang-Hoon Han

Chang-Hoon 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: 11038180
    Abstract: Provided is a redox flow battery stack comprising: an ion-exchange membrane (1000); two flow frames (2000A, 2000B) disposed on both sides of the ion-exchange membrane (1000), respectively; two bipolar plates (4000A, 4000B) disposed outside the flow frames (2000A, 2000B), respectively; and electrodes disposed in cavities inside outer frames of the flow frames (2000A, 2000B), respectively, in which at least two electrodes are disposed in the flow frames, respectively, and at least three furrows in which the electrolyte flows are formed between electrodes or between the electrode and the outer frame in the flow frame.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: June 15, 2021
    Assignee: H2, INC.
    Inventors: Shin Han, Chang Hoon Han, Jee Hyang Huh, Yujong Kim
  • Publication number: 20210082614
    Abstract: A coil device capable of minimizing defects and increasing a thickness of a conductor pattern is provided. The coil device includes: a base substrate; a seed pattern formed on the base substrate and including a seed region and a lead-in wiring region; a first conductive pattern formed on the seed region; a second conductive pattern formed on at least a portion of the first conductive pattern; and a protective layer formed to contact at least one or more of the base substrate, the seed pattern, the first conductive pattern, and the second conductive pattern, in which the seed pattern of the lead-in wiring region extends to a cut line.
    Type: Application
    Filed: November 28, 2020
    Publication date: March 18, 2021
    Applicant: STEMCO CO., LTD.
    Inventors: Young Jun KIM, Chang Hoon HAN, Dong Gon KIM, Su Jeong SHIN
  • Publication number: 20190165385
    Abstract: Provided is a redox flow battery stack comprising: an ion-exchange membrane (1000); two flow frames (2000A, 2000B) disposed on both sides of the ion-exchange membrane (1000), respectively; two bipolar plates (4000A, 4000B) disposed outside the flow frames (2000A, 2000B), respectively; and electrodes disposed in cavities inside outer frames of the flow frames (2000A, 2000B), respectively, in which at least two electrodes are disposed in the flow frames, respectively, and at least three furrows in which the electrolyte flows are formed between electrodes or between the electrode and the outer frame in the flow frame.
    Type: Application
    Filed: August 5, 2016
    Publication date: May 30, 2019
    Applicant: H2, INC.
    Inventors: Shin HAN, Chang Hoon HAN, Jee Hyang HUH, Yujong KIM
  • Patent number: 10120824
    Abstract: A bridge hoard includes a printed circuit board (PCB) and a protocol converter mounted on the PCB to perform a conversion operation converting between a first communication protocol and a second communication protocol different from the first communication protocol. The bridge board further includes a first connector configured to communicate according to the first communication protocol and a second connector configured to communicate according to the second communication protocol. The bridge board additionally includes a hole formed in the PCB. The PCB is shaped as a concave polygon. The concave polygon includes a first region and a second region. The first region includes a first edge and a second edge, which extends in parallel to the first edge, along a first direction. The second region includes a third edge and a fourth edge, which extends in parallel to the third edge, along a second direction perpendicular to the first direction.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: November 6, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Han Hong Lee, Jae Hong Park, Jung Hyun Woo, Sung Woo Joo, Chang Hoon Han
  • Patent number: 10109778
    Abstract: A display device includes an upper structure, a lower structure, and a connecting element. The upper structure includes a display element having a first electrode, a light emitting layer, and a second electrode. The light emitting layer is disposed on the first electrode to generate light. The second electrode is disposed on the light emitting layer to transmit the light. The lower structure includes a display driving circuit. The display driving circuit receives an image signal to apply an electric power to the first electrode. The lower structure is physically separated from the upper structure to be spaced apart from the upper structure by a predetermined distance with respect to a vertical direction. The connecting element is disposed between the upper structure and the lower structure to connect the first electrode to the display driving circuit.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: October 23, 2018
    Assignee: OPTOLANE TECHNOLOGIES INC.
    Inventors: DoYoung Lee, JaeWon Eom, JunHo Won, Chang Hoon Han
  • Patent number: 10019041
    Abstract: A solid state drive (SSD) housing assembly includes an SSD housing and an extension frame. The SSD housing includes a first extension joint and a first mounting joint. The first mounting joint is a mechanism by which the housing can be mounted to an external device. The SSD housing has the form of a rectangular case in which an SSD module is held. The extension frame includes a second extension joint and a second mounting joint. The second mounting joint is a mechanism by which the frame can be mounted to the external device. The extension frame is attachable to and detachable from the SSD housing by virtue of the first extension joint and the second extension joint.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: July 10, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hyun Woo, Jae-Hong Park, Han-Hong Lee, Sung-Woo Joo, Chang-Hoon Han
  • Patent number: 9805874
    Abstract: Disclosed herein is an MEMS variable capacitor and its driving method, the MEMS variable capacitor including, a first electrode, a second electrode floating over the first electrode upper part, a fixed electrode separated at the second electrode side surface, and a drifting electrode placed between the second electrode and the fixed electrode, connected to the second electrode, and physically contacting the fixed electrode by a voltage applied to the fixed electrode.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: October 31, 2017
    Assignees: LG INNOTEK CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang Wook Kim, Dong Chan Park, Ju Young Song, Sang Hun Lee, Sung Bae Cho, Hyun Ho Yang, Jun Bo Yoon, Dong Hoon Choi, Chang Hoon Han
  • Publication number: 20170308132
    Abstract: A solid state drive (SSD) housing assembly includes an SSD housing and an extension frame. The SSD housing includes a first extension joint and a first mounting joint. The first mounting joint is a mechanism by which the housing can be mounted to an external device. The SSD housing has the form of a rectangular case in which an SSD module is held. The extension frame includes a second extension joint and a second mounting joint. The second mounting joint is a mechanism by which the frame can be mounted to the external device. The extension frame is attachable to and detachable from the SSD housing by virtue of the first extension joint and the second extension joint.
    Type: Application
    Filed: January 3, 2017
    Publication date: October 26, 2017
    Inventors: JUNG-HYUN WOO, JAE-HONG PARK, HAN-HONG LEE, SUNG-WOO JOO, CHANG-HOON HAN
  • Publication number: 20170293585
    Abstract: A bridge hoard includes a printed circuit board (PCB) and a protocol converter mounted on the PCB to perform a conversion operation converting between a first communication protocol and a second communication protocol different from the first communication protocol. The bridge board further includes a first connector configured to communicate according to the first communication protocol and a second connector configured to communicate according to the second communication protocol. The bridge board additionally includes a hole formed in the PCB. The PCB is shaped as a concave polygon. The concave polygon includes a first region and a second region. The first region includes a first edge and a second edge, which extends in parallel to the first edge, along a first direction. The second region includes a third edge and a fourth edge, which extends in parallel to the third edge, along a second direction perpendicular to the first direction.
    Type: Application
    Filed: October 26, 2016
    Publication date: October 12, 2017
    Inventors: Han Hong Lee, Jae Hong Park, Jung Hyun Woo, Sung Woo Joo, Chang Hoon Han
  • Patent number: 9570483
    Abstract: A flat panel display device with an oxide thin film transistor is disclosed which includes: an oxide semiconductor layer which has a width of a first length and is formed on a buffer film; a gate insulation film which has a width of a second length and is formed on the oxide semiconductor layer; a gate electrode which has a width of a third length and is formed on the gate insulation film; an interlayer insulation film formed on the entire surface of the substrate provided with the gate electrode; source and drain electrodes formed on the interlayer insulation film and connected to the oxide semiconductor layer; a pixel electrode formed on a passivation film and connected to the drain electrode. The first length is larger than the second length and the second length is larger than the third length.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: February 14, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Ki Young Jung, Ki Tae Kim, Chang Hoon Han
  • Publication number: 20160275912
    Abstract: A display device includes an upper structure, a lower structure, and a connecting element. The upper structure includes a display element having a first electrode, a light emitting layer, and a second electrode. The light emitting layer is disposed on the first electrode to generate light. The second electrode is disposed on the light emitting layer to transmit the light. The lower structure includes a display driving circuit. The display driving circuit receives an image signal to apply an electric power to the first electrode. The lower structure is physically separated from the upper structure to be spaced apart from the upper structure by a predetermined distance with respect to a vertical direction. The connecting element is disposed between the upper structure and the lower structure to connect the first electrode to the display driving circuit.
    Type: Application
    Filed: March 2, 2016
    Publication date: September 22, 2016
    Applicant: OPTOLANE Technologies Inc.
    Inventors: DoYoung LEE, JaeWon EOM, JunHo WON, Chang Hoon HAN
  • Publication number: 20160204130
    Abstract: A flat panel display device with an oxide thin film transistor is disclosed which includes: a buffer film formed on a substrate; an oxide semiconductor layer which has a width of a first length and is formed on the buffer film; a gate insulation film which has a width of a second length and is formed on the oxide semiconductor layer; a gate electrode which has a width of a third length and is formed on the gate insulation film; an interlayer insulation film formed on the entire surface of the substrate provided with the gate electrode; source and drain electrodes formed on the interlayer insulation film and connected to the oxide semiconductor layer; a passivation film formed on the entire surface of the substrate provided with the source and drain electrode; and a pixel electrode formed on the passivation film and connected to the drain electrode. The first length is larger than the second length and the second length is larger than the third length.
    Type: Application
    Filed: March 23, 2016
    Publication date: July 14, 2016
    Inventors: Ki Young JUNG, Ki Tae KIM, Chang Hoon HAN
  • Patent number: 9324743
    Abstract: A flat panel display device with an oxide thin film transistor is disclosed which includes: an oxide semiconductor layer which has a width of a first length and is formed on a buffer film; a gate insulation film which has a width of a second length and is formed on the oxide semiconductor layer; a gate electrode which has a width of a third length and is formed on the gate insulation film; an interlayer insulation film formed on the entire surface of the substrate provided with the gate electrode; source and drain electrodes formed on the interlayer insulation film and connected to the oxide semiconductor layer; a pixel electrode formed on a passivation film and connected to the drain electrode. The first length is larger than the second length and the second length is larger than the third length.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: April 26, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ki Young Jung, Ki Tae Kim, Chang Hoon Han
  • Patent number: 9246591
    Abstract: An optical connector for directly transferring data is disclosed. The optical connector includes a first input device connected to a first data source and to which a first input signal is applied, a first light emitting device connected to the first input device and generating a first optical signal corresponding to the first input signal, a first light receiving device positioned close to the first light emitting device in such a configuration that the first optical signal directly reaches the first light receiving device from the first light emitting device, the first light receiving device generating a first output signal corresponding to the first optical signal, and a first output device connected to the first light receiving device and to a second data source to which the first output signal is transferred. Large-sized data may be transferred at high speed and high reliability without light transfer units.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: January 26, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Seong Kim, Chang-Hoon Han
  • Publication number: 20150291417
    Abstract: A device packaging method and a device package using the same may be provided. The device packaging method includes forming a package sacrificial layer by applying a first material on a substrate on which a device has been formed; forming a package cap by applying a second material on the package sacrificial layer; generating gas molecules from the package sacrificial layer by applying external stimuli such as light or heat to the package sacrificial layer; and heating the gas molecule and forming a cavity between the device and the package cap.
    Type: Application
    Filed: February 3, 2015
    Publication date: October 15, 2015
    Applicant: Korea Advanced Institute of Science & Technology
    Inventors: Jun Bo YOON, Chang Hoon Han, Yong Hoon Yoon, Jae Shin Lee
  • Publication number: 20140353660
    Abstract: A flat panel display device with an oxide thin film transistor is disclosed which includes: a buffer film formed on a substrate; an oxide semiconductor layer which has a width of a first length and is formed on the buffer film; a gate insulation film which has a width of a second length and is formed on the oxide semiconductor layer; a gate electrode which has a width of a third length and is formed on the gate insulation film; an interlayer insulation film formed on the entire surface of the substrate provided with the gate electrode; source and drain electrodes formed on the interlayer insulation film and connected to the oxide semiconductor layer; a passivation film formed on the entire surface of the substrate provided with the source and drain electrode; and a pixel electrode formed on the passivation film and connected to the drain electrode. The first length is larger than the second length and the second length is larger than the third length.
    Type: Application
    Filed: December 9, 2013
    Publication date: December 4, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Ki Young JUNG, Ki Tae KIM, Chang Hoon HAN
  • Patent number: 8664780
    Abstract: A semiconductor package includes a first semiconductor chip mounted to a substrate, a first encapsulant covering the first semiconductor chip and have first to fourth sidewall surfaces, and a chip stack mounted to the substrate and disposed on the first encapsulant. The chip stack includes a plurality of second semiconductor chips. A second encapsulant covers the chip stack. The second encapsulant may cover the first sidewall surface of the first encapsulant and expose the third sidewall surface of the first encapsulant.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: March 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Hoon Han, Jin-Ho Kim, Bo-Seong Kim, Yun-Jin Oh
  • Publication number: 20140002948
    Abstract: Disclosed is a MEMS variable capacitor including: a first electrode; a second electrode spaced apart from the first electrode; a third electrode floating above the first electrode; and an actuator including a fourth electrode facing the second electrode, a connector connecting the third electrode and the fourth electrode, and a support supporting a portion of the connector, wherein the third electrode and the connector are integrally formed with each other, and wherein a capacitance is changed by applying a voltage to the second electrode and by adjusting a gap between the first electrode and the third electrode.
    Type: Application
    Filed: June 25, 2013
    Publication date: January 2, 2014
    Inventors: Jun Bo YOON, Chang Hoon HAN, Dong Hoon CHOI, Hyun Ho YANG
  • Publication number: 20130294778
    Abstract: An optical connector for directly transferring data is disclosed. The optical connector includes a first input device connected to a first data source and to which a first input signal is applied, a first light emitting device connected to the first input device and generating a first optical signal corresponding to the first input signal, a first light receiving device positioned close to the first light emitting device in such a configuration that the first optical signal directly reaches the first light receiving device from the first light emitting device, the first light receiving device generating a first output signal corresponding to the first optical signal, and a first output device connected to the first light receiving device and to a second data source to which the first output signal is transferred. Large-sized data may be transferred at high speed and high reliability without light transfer units.
    Type: Application
    Filed: March 14, 2013
    Publication date: November 7, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Bo-Seong Kim, Chang-Hoon Han
  • Patent number: D854545
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: July 23, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Hyun Woo, Jae-Hong Park, Han-Hong Lee, Sung-Woo Joo, Chang-Hoon Han