Patents by Inventor In Chul Hyun

In Chul Hyun 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: 10615514
    Abstract: An apparatus includes an elongated housing having a first plurality of sidewalls that form a first isolation chamber on a first side of the elongated housing. A first printed circuit board (PCB) includes a first patch element, wherein the PCB defines a first plane. A first parasitic element disposed in a second plane, wherein the first parasitic element is retained a predetermined distance from the first patch element in the first plane. A second PCB is disposed within the elongated housing. A first radio is disposed on the second PCB, wherein the first radio is coupled to the first patch element, and wherein the first patch element and the first parasitic element, in response to radio frequency (RF) signals from the first radio, radiate electromagnetic energy in a first direction away from the first isolation chamber.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: April 7, 2020
    Assignee: Amazon Technologies, Inc.
    Inventors: Tzung-I Lee, Troy Hulick, In Chul Hyun
  • Patent number: 10615367
    Abstract: A display device includes: a substrate on which a display area and a non-display area are defined; a plurality of pixels disposed on the substrate in the display area; and an encapsulation layer disposed on the pixels to cover the pixels, where the encapsulation layer including a first region and a second region different from the first region. The encapsulation layers has a thickness in a range of 1.75 ?m to 4.0 ?m, and the ratio of a thickness of the second region of the encapsulation layer to a thickness of the first region of the encapsulation layer is in a range of 0.95 to 1.0.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: April 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chul Hyun Choi, Ji Hye Moon, Sun A Yang, Hyuk Sang Jun
  • Patent number: 10593732
    Abstract: A light-emitting diode according to an exemplary embodiment includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; and a first capping layer positioned on the first electrode, wherein the first capping layer includes at least one among LiF, MgF2, AlF3, NaF, and AlOx, and a thickness of the first capping layer is 30 nm to 40 nm.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 17, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Hyun Choi, Hyun Shik Lee, Hyuk Sang Jun
  • Publication number: 20200080151
    Abstract: The present disclosure relates to a method for diagnosing mood disorder such as mania, depression and mania mixed using a circadian rhythm. According to the diagnostic method of the present disclosure, the condition of mood disorder can be diagnosed objectively and clearly based on the advance or delay of the circadian rhythm. That is to say, hypomania, mania, depression, mixed mania, etc. may be determined quickly and adequately so that appropriate therapeutic intervention can be made. In addition, according to the diagnostic method of the present disclosure, schizophrenia which is frequently confused with severe depression or bipolar disorder can be distinguished clearly. In addition, the selection of a therapeutic drug can be benefited greatly through this.
    Type: Application
    Filed: February 13, 2017
    Publication date: March 12, 2020
    Inventors: Heon-Jeong LEE, Chul-Hyun CHO, Joung-Ho MOON
  • Patent number: 10560127
    Abstract: Network hardware devices organized in a Wireless mesh network (WMN) in which the network hardware devices cooperate in distribution of content files to client consumption devices in an environment of limited connectivity to broadband Internet infrastructure are described. One mesh network device includes a housing including reflective chambers within with multiple antennas are disposed. A first radio is operable to cause a first antenna to radiate electromagnetic energy in a first frequency range and a first reflector chamber is operable to reflect the electromagnetic energy in a first direction away from the housing. Second, third, and fourth radios are operable to cause the respective antennas within the respective reflective chambers to radiate electromagnetic energy and the respective reflective chamber is to reflect the electromagnetic energy in a respective direction away from the housing.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: February 11, 2020
    Assignee: Amazon Technologies, Inc.
    Inventors: Tzung-I Lee, In Chul Hyun, Omar Fawazhashim Zakaria
  • Publication number: 20200040293
    Abstract: Disclosed herein are methods and devices for antigen-specific T cell identification or neoantigen identification. Also disclosed herein are devices for separating and isolating antigen- specific T cells or other particles of a certain size from a population of particles of different sizes. Also describe herein are methods and devices for the separation and isolation of barcoded T cells from other nanoparticles containing barcodes for subsequent analysis and further processing of a viable T cell.
    Type: Application
    Filed: November 1, 2017
    Publication date: February 6, 2020
    Inventors: Songming Peng, James R. Heath, William Chour, Alphonsus H.c. Ng, Sung Yang, Jongchan Choi, Ji-Chul Hyun
  • Publication number: 20200021038
    Abstract: Technologies for wireless network devices with surface-link antenna systems mounted on exterior surfaces of buildings are described. One wireless network device includes a housing with a circuit board and a first antenna port. A processor, a first antenna, a first wireless local area network (WLAN) radio, and a second WLAN radio are disposed on the circuit board. The first WLAN radio communicates with a radio of a client device using the first antenna over a first line-of-sight (LOS) or non-LOS wireless link (e.g., 2.4 GHz) inside the building. The second WLAN radio communicates with a radio of a second wireless network device using the second antenna over a second LOS wireless link (e.g., 5 GHz) that is external to the building. The first antenna is located inside the building and the second antenna is located along an exterior surface of the building.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 16, 2020
    Inventors: Tzung-I Lee, Omar Fawazhashim Zakaria, Kwok Shing Lee, Kalyan Teja Posani, Ali Mirkamali, Cheol Su Kim, In Chul Hyun
  • Patent number: 10523247
    Abstract: Wireless mesh network (WMN) architectures of network hardware devices organized in a mesh topology in which the network hardware devices cooperate in distribution of content files to client consumption devices in an environment of limited connectivity to broadband Internet infrastructure is described. A self-contained, fully connected WMN can be used for localized delivery of content files. One WMN includes a single ingress node for ingress of content files into the wireless mesh network. The WMN also includes multiple network hardware devices wirelessly connected through a network backbone formed by multiple P2P wireless connections. A first network hardware device is wirelessly connected to a client consumption device by a first node-to-client (N2C) wireless connection and a second network hardware device is wirelessly connected to the single ingress node.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: December 31, 2019
    Assignee: Amazon Technologies, Inc.
    Inventors: Varadarajan Gopalakrishnan, Andrew David Price, In Chul Hyun, Jin Dong Kim, Subram Narasimhan
  • Publication number: 20190382702
    Abstract: The present disclosure relates to a herringbone-type fluid guiding unit and an apparatus for concentrating fluid using same. The herring-bone type fluid guiding unit includes: a front member formed on a flow path and formed so that the width between the left side and the right side widens from a front end part toward the back, with respect to the flow direction of a fluid; and a rear member extending from the front member toward the back, wherein the rear member is provided with a recessed part that is recessed to a specific depth from the rear edge toward the front or with a protruding part that protrudes toward the back.
    Type: Application
    Filed: July 24, 2019
    Publication date: December 19, 2019
    Applicant: GIST(Gwangju Institute of Science and Technology)
    Inventors: Sung Yang, Ji Chul Hyun
  • Publication number: 20190364324
    Abstract: A device includes a substrate and a video processor on the substrate. A first patch antenna is mounted to the substrate and configured to transmit and receive radio frequency signals in a frequency range. The first patch antenna is closer to a first end of the substrate than a second end of the substrate. A second patch antenna is mounted to the substrate and is configured to transmit and receive radio frequency signals in the frequency range. The second patch antenna is closer to the first end of the substrate than the second end of the substrate. The substrate includes a ground isolation region between at least one of the first patch antenna and the second patch antenna and the video processor. A media connector is on the substrate and electrically connected to the video processor.
    Type: Application
    Filed: May 22, 2018
    Publication date: November 28, 2019
    Inventors: Jagan Vaidyanathan RAJAGOPALAN, Ming-Wei LIU, Peruvemba Ranganath SAI ANANTHANARAYANAN, In Chul HYUN, Mohammed Ziaul AZAD, Deepak Pai HOSADURGA, Sudheep THOTA
  • Publication number: 20190364239
    Abstract: A streaming media player includes a printed circuit board, a video processor, a wireless communications processor, and a patch antenna. The patch antenna includes dielectric material, a conductive patch, and a first antenna feed in a first position with respect to the conductive patch. The patch antenna includes a second antenna feed in a second position with respect to the conductive patch. The first position is orthogonal to the second position. In an embodiment, the second position is rotationally offset from the first position by 90 degrees around an axis through a center of the conductive patch. The streaming media player includes a connector coupled to the video processor and configured to removably couple to a connection port on a display device.
    Type: Application
    Filed: January 23, 2019
    Publication date: November 28, 2019
    Inventors: Mohammed Ziaul AZAD, In Chul HYUN, Chen CHEN, Amit GAIKWAD, Jagan Vaidyanathan RAJAGOPALAN, Deepak Pai HOSADURGA
  • Publication number: 20190361480
    Abstract: An accelerator pedal for a vehicle, which has a hysteresis generation structure, is provided. The accelerator pedal includes: a housing including a pivot shaft; a pedal unit which is rotatably connected to the pivot shaft and has a pivot hole; a hysteresis generation member which receives a portion of the pedal unit and has an extension part that hits against the pedal unit and rotating in a direction in which the pedal unit rotates, when the pedal unit is rotated by applying a force to the pedal unit; and an elastic member which has an end connected to the extension part of the hysteresis generation member and applies an elastic force to the hysteresis generation member. When the force applied to the pedal unit is removed, the hysteresis generation member rotates in an opposite direction to the rotation direction of the pedal unit.
    Type: Application
    Filed: May 2, 2019
    Publication date: November 28, 2019
    Inventors: Hyeon Uk KIM, Jong Hee HAN, Ki Chul HYUN
  • Patent number: 10462667
    Abstract: A method for providing mobile communication provider information and a device for performing the same are disclosed. A terminal having an eUICC receives data, in which mobile communication provider information is capsulized and included, and stores the received data in the eUICC. Therefore, the mobile communication provider information can be transferred by applying the highest security scheme, and duplication of the eUICC due to the exposure of an authentication key by external hacking attacks can be prevented.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: October 29, 2019
    Assignee: KT Corporation
    Inventors: Hyung Jin Lee, Kwan Lae Kim, Joo Young Kim, Chul Hyun Park, Jin Hyoung Lee, Youn Pil Jeung
  • Publication number: 20190322173
    Abstract: An accelerator pedal for a vehicle, which has a hysteresis generation structure may be provided. The accelerator pedal for a vehicle according to the embodiment of the present invention includes: a housing; a cylindrical hinge which is connected to the housing; a main pedal arm which is coupled to one side of the hinge and rotates in a first direction in close contact with a first action point of the one side of the hinge when a predetermined force is applied; an auxiliary pedal arm which is coupled to the other side of the hinge and rotates in a second direction in close contact with a second action point of the other side of the hinge by an elastic force when the force applied to the main pedal arm is removed; and a spring which is coupled to a bottom of one end of the auxiliary pedal arm and applies the elastic force to the auxiliary pedal arm.
    Type: Application
    Filed: April 18, 2019
    Publication date: October 24, 2019
    Inventors: Jong Hee Han, Ki Chul Hyun, Hyeon UK Kim
  • Patent number: 10447378
    Abstract: Network hardware devices organized in a wireless mesh network (WMN) in which a home access node (HAN) device that includes a first set of radios, each of the first set of radios being coupled to a beam-steering antenna and each of the first set of radios establishing a first point-to-point (PtP) wireless connection over which the HAN relay device communicates with a second HAN relay device in a first sub-mesh network of HAN relay devices. The HAN device also includes a second set of radios, each of the second set of radios being coupled to a beam-steering antenna and each of the second set of radios establishing a second PtP wireless connection over which the HAN relay device communicates with at least one of a plurality of HAN devices in a second sub-mesh network in the WMN.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: October 15, 2019
    Assignee: Amazon Technologies, Inc.
    Inventors: Jin Dong Kim, Sang Eun Lee, In Chul Hyun, Cheol Su Kim, Subram Narasimhan, Varadarajan Gopalakrishnan, Omar Fawazhashim Zakaria
  • Patent number: 10445778
    Abstract: Disclosed are a system for identifying a user at a close range and an information providing system and method using the same, and more particularly to a close-range user identification system and an information providing system and method using the same, in which at least one user located at a close range visible to a client's naked eyes is searched and identified through a network or close-range communication directing, and opened information of the at least one identified user or a location-based advertisement is given to the at least one searched user.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: October 15, 2019
    Inventors: Gwon Young Kim, Dong Min Shin, Dong Suk Chang, Chul Hyun Kim, Young Bae You
  • Patent number: 10419872
    Abstract: A wireless multimode (MM) device permits different radio access technologies (RAT) to interoperate dynamically with different positioning protocols (PP) by providing a MM Location Protocol Manager (MLM) that is independent of underlying transport mechanisms.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: September 17, 2019
    Assignee: Intel Corporation
    Inventors: Su-Lin Low, Chul-Hyun Oh, Chun-I Lee, Hausting Hong, Michael Cheng-Lai Lee, Balasubramani Arunachalam
  • Patent number: 10361490
    Abstract: Antenna structures and methods of operating the same of an electronic device are described. One apparatus includes a radio coupled to a RF feed and an RF switch, a first antenna element coupled to the RF feed, and a second antenna element coupled to the RF switch, the RF switch being coupled to a grounding point of a ground plane. The radio controls the RF switch between a first mode and a second mode. The radio causes the first antenna element to radiate electromagnetic energy in a first radiation pattern in the first mode and causes the second antenna element to radiate electromagnetic energy in a second radiation pattern in the second mode. The second radiation pattern is different than the first radiation pattern.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: July 23, 2019
    Assignee: Amazon Technologies, Inc.
    Inventors: Tzung-I Lee, In Chul Hyun
  • Patent number: 10334443
    Abstract: A method for configuring a profile of a subscriber authenticating module embedded and installed in a terminal device, and an apparatus using same, are disclosed. The subscriber authenticating module embedded and installed in the terminal device according to an exemplary embodiment includes one or more network access application related data sets and one or more profiles having unique identifiers. The present invention enables an eco-system provider such as a network service provider, a eUICC manufacturer, or a terminal manufacturer to develop an efficient and rapid eUICC and provide a eUICC service.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: June 25, 2019
    Assignee: KT Corporation
    Inventors: Myoung Hee Seo, Kwan Lae Kim, Chul Hyun Park, Jin Hyoung Lee, Hyung Jin Lee, Youn Pil Jeung
  • Patent number: D854488
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: July 23, 2019
    Assignee: CAP CORPORATION
    Inventors: Seung Chul Hyun, Myoung Yeon Kim, Sang Yeon Lee