Patents by Inventor Seong-Heon An

Seong-Heon An 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: 10411493
    Abstract: Certain aspects of the present disclosure are generally directed to apparatus and techniques for wireless charging. One example apparatus generally includes a plurality of inductive elements and signal generation circuitry coupled to the plurality of inductive elements and configured to generate a plurality of signals, where at least two signals of the plurality of signals have different magnitudes. In certain aspects, the signal generation circuitry is configured to drive the plurality of inductive elements using the plurality of signals, where at least one first inductive element of the plurality of inductive elements is driven using at least one first signal of the plurality of signals having a first phase and at least one second inductive element of the plurality of inductive elements is driven using at least one second signal of the plurality of signals having a second phase different from the first phase.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: September 10, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: William Henry Von Novak, III, Mark White, II, Seong Heon Jeong
  • Publication number: 20190267713
    Abstract: A multi-layer laminate antenna includes: a feed line configured to convey electricity; a radiator coupled to the feed line, comprising metal disposed in a first layer of the antenna, and having an edge of a length to radiate energy at a radiating frequency; and dummy metal disposed in a second layer of the antenna that is different from the first layer of the antenna; where a first portion of the dummy metal is configured such that any linear edge of the first portion of the dummy metal disposed outside an area of the second layer overlapped by the radiator is less than half of a radiating wavelength corresponding to the radiating frequency.
    Type: Application
    Filed: February 23, 2018
    Publication date: August 29, 2019
    Inventors: Seong Heon JEONG, Mohammad Ali TASSOUDJI
  • Patent number: 10390468
    Abstract: The present disclosure describes aspects of a wireless power-transmission shield for a wireless charger. The wireless charger includes a wireless power transmitter configured to generate an alternating magnetic field at a charging frequency. As a result of the alternating magnetic field, a spurious electromagnetic field is further generated at a spurious frequency different than the charging frequency. The wireless charger includes a shield having an associated conductivity or an associated impedance. The shield is configured to be substantially transparent to the alternating magnetic field based on the charging frequency and the associated conductivity of the shield or the associated impedance of the shield. The shield is further configured to be lossy to the spurious electromagnetic field based on the spurious frequency and the associated conductivity of the shield or the associated impedance of the shield.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: August 20, 2019
    Assignee: QUALCOMM Incorporated
    Inventor: Seong Heon Jeong
  • Patent number: 10381875
    Abstract: A method and system for providing wireless power transfer through a metal object is provided. In one aspect, an apparatus for wirelessly receiving power via a magnetic field is provided. The apparatus includes a metal cover including an inner portion and an outer portion. The outer portion is configured to form a loop around the inner portion of the metal cover. The outer portion is configured to inductively couple power via the magnetic field. The apparatus includes a receive circuit electrically coupled to the outer portion and configured to receive a current from the outer portion generated in response to the magnetic field. The receive circuit is configured to charge or power a load based on the current.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 13, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Seong Heon Jeong, Mei-Li Chi, Curtis Gong, David George Fern, Francesco Carobolante
  • Publication number: 20190229560
    Abstract: An apparatus is disclosed that implements ultrasonic power transmission with impedance detection. In an example aspect, the apparatus includes an array of ultrasonic transducers and an acoustic-impedance detection system. The acoustic-impedance detection system is configured to transmit an ultrasonic detection pulse from an ultrasonic transducer of the array. Based on the ultrasonic detection pulse, the acoustic-impedance detection system can determine an acoustic impedance at the ultrasonic transducer. Based on the acoustic impedance, the acoustic-impedance detection system can transmit an ultrasonic charging signal.
    Type: Application
    Filed: January 19, 2018
    Publication date: July 25, 2019
    Inventors: William Henry Von Novak, III, Seong Heon Jeong, Cody Wheeland
  • Patent number: 10361588
    Abstract: An electronic device is disclosed, having electronic components and a metal case configured to house the electronic components. A power receiving element may be disposed on the metal case near an edge thereof. The power receiving element may couple with a magnetic field that emanates from the edge of the metal case, when the metal case is exposed to an externally generated magnetic field, to wirelessly receive power from the externally generated magnetic field.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: July 23, 2019
    Assignee: QUALCOMM Incorporated
    Inventor: Seong Heon Jeong
  • Publication number: 20190213936
    Abstract: A short circuit detector includes a first transistor connected between a first portion of a data line and a second portion of the data line and including a gate electrode connected to a first node; a second transistor connected between a first voltage source and the first node and including a gate electrode configured to receive a short-circuit test signal; a third transistor connected between a second node included in the second portion and a third node and including a gate electrode configured to receive the short-circuit test signal; a fourth transistor connected between a second voltage source and the first node and including a gate electrode connected to the third node; and a fifth transistor connected to the first node and a third voltage source and including a gate electrode connected to the third node in common with the gate electrode of the third transistor.
    Type: Application
    Filed: January 3, 2019
    Publication date: July 11, 2019
    Inventor: Seong Heon CHO
  • Patent number: 10333334
    Abstract: An electronic apparatus may include an electrically conductive body configured to magnetically couple to a first magnetic field. A first tuning element may be connected to the electrically conductive body. An electrically conductive coil may be wound about an opening defined by the electrically conductive body, and configured to magnetically couple to a second magnetic field.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: June 25, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Seong Heon Jeong, Charles Edward Wheatley, Francesco Carobolante, Mark White, II
  • Patent number: 10333352
    Abstract: Certain aspects of the present disclosure relate to methods and apparatus for controlling a power level of wireless power transfer. Certain aspects provide a wireless power receiver. The wireless power receiver includes an antenna and a rectifier. The rectifier includes a first diode and a second diode. The wireless power receiver further includes a resistor in parallel with the first diode. A first terminal of the resistor is coupled to a first terminal of the first diode. A second terminal of the resistor is coupled to a second terminal of the first diode.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 25, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: William Henry Von Novak, III, Linda Stacey Irish, Cody Burton Wheeland, Seong Heon Jeong
  • Patent number: 10333350
    Abstract: An apparatus for wireless power reception in an electronic device may include a casing configured to house electronic components of the electronic device. The casing may include a non-conductive support substrate and a metal layer disposed on the support substrate. The apparatus may include a power receiving element configured to magnetically couple to an externally generated magnetic field to produce power for one or more of the electronic components of the electronic device.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: June 25, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Randy Standke, Seong Heon Jeong
  • Publication number: 20190187899
    Abstract: A random-access memory (RAM) controller is connected with multiple memories. The random-access memory controller selectively boots at least one memory of the multiple memories based on booting-related information about the multiple memories.
    Type: Application
    Filed: June 8, 2018
    Publication date: June 20, 2019
    Inventors: Seong-Heon Yu, Joungyeal Kim, Miyoung Woo
  • Patent number: 10312716
    Abstract: An apparatus may include an electrically conductive body to magnetically couple to a first magnetic field. A first tuning element may be connected to the electrically conductive body. An electrically conductive coil may be wound about an opening in the electrically conductive body, and configured to magnetically couple to a second magnetic field.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: June 4, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Seong Heon Jeong, Francesco Carobolante, Charles Edward Wheatley, Mark White, II
  • Publication number: 20190159364
    Abstract: Disclosed is a method and apparatus for mitigating temperature spikes and dissipating heat. The apparatus for mitigating temperature spikes and dissipating heat comprises one or more heatsinks, one or more sensors, one or more phase change materials and one or more processors coupled to the one or more sensors. The one or more processors may be configured to obtain one or more sensor measurements and may be configured to determine whether to store heat or dissipate heat based on the one or more sensor measurements. In response to a determination to dissipate heat, the one or more processors may be configured to dissipate heat from the one or more processors, the one or more phase change materials or both using the one or more heatsinks. Furthermore, in response to a determination to store heat, store heat from the one or more processors using the one or more phase change materials.
    Type: Application
    Filed: August 31, 2018
    Publication date: May 23, 2019
    Inventors: Sean Charles ANDREWS, Seong Heon JEONG, William Henry VON NOVAK
  • Publication number: 20190142981
    Abstract: A sterilizing apparatus is disclosed. A sterilizing apparatus according to one embodiment comprises: a cover main body unit having an accommodation space formed therein so as to accommodate a device to be sterilized, wherein the accommodation space is open toward a bottom surface on which the device to be sterilized is disposed; an ultraviolet light emitting diode provided on a surface facing the bottom surface of the cover main body unit, and turned on so as to emit ultraviolet rays toward the accommodation space; a power supply unit for supplying power to the ultraviolet light emitting diode so as to turn on the ultraviolet light emitting diode; and a control unit for controlling an operation of the power supply unit.
    Type: Application
    Filed: December 26, 2017
    Publication date: May 16, 2019
    Inventors: Jong Rack Kim, Hee Cheul Jung, Sang Wook Jung, Hee Ho Bae, Seong Heon Kim
  • Patent number: 10275634
    Abstract: Disclosed are methods, devices, apparatuses, and systems for ultrasonic fingerprint sensing with an acoustic shielding structure. One or more layers in an ultrasonic fingerprint sensing system may reflect back ultrasonic waves due to acoustic impedance mismatch that can distort a fingerprint image. An acoustic shielding structure may be configured to absorb, store, trap, or otherwise attenuate ultrasonic waves. The acoustic shielding structure may be positioned underlying an ultrasonic sensor layer. In some implementations, the acoustic shielding structure may include a plurality of periodically spaced apart geometric features or holes in a medium.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: April 30, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Seong Heon Jeong, Jong Soo Kim
  • Publication number: 20190123425
    Abstract: Methods, systems, and devices for wireless communications are described. An antenna structure for wideband coverage may include a first bowtie antenna disposed in a first plane. The first bowtie antenna may be, for example, an elliptical bowtie antenna or a triangular bowtie antenna. The antenna structure may also include a plurality of additional bowtie antennas, each of the plurality of additional bowtie antennas disposed in a different plane parallel to the first plane. The first bowtie antenna and the plurality of additional bowtie antennas may be stacked in a first direction perpendicular to the first plane to form a bowtie antenna stack. The antenna structure may include a plurality of bowtie antenna stacks. The antenna structure may also include a staggered conductive wall.
    Type: Application
    Filed: October 17, 2018
    Publication date: April 25, 2019
    Inventors: Seong Heon Jeong, Mohammad Ali Tassoudji, Alireza Mohammadian, Jorge Fabrega Sanchez, Taesik Yang
  • Publication number: 20190103653
    Abstract: An antenna module is described. The antenna module include a ground plane in a multilayer substrate. The antenna module also includes a mold on the multilayer substrate. The antenna module further includes a conductive wall separating a first portion of the mold from a second portion of the mold. The conductive wall is electrically coupled to the ground plane. A conformal shield may be placed on a surface of the second portion of the mold. The conformal shield is electrically coupled to the ground plane.
    Type: Application
    Filed: September 27, 2018
    Publication date: April 4, 2019
    Inventors: Seong Heon JEONG, Rajneesh KUMAR, Mohammad Ali TASSOUDJI, Darryl JESSIE, Gurkanwal SAHOTA, Kevin Hsi Huai WANG, Jeong KIM, II, Taesik YANG, Thomas MYERS, Neil BURNS, Julio ZEGARRA, Clinton James WILBER, Jordan SZABO
  • Patent number: 10243411
    Abstract: The present disclosure pertains to wireless chargers. In one embodiment, a 2×2 array of conductive coils produces magnetic fields. Adjacent coils receive current having different directions to cancel magnetic fields around a periphery of the array. A wireless charging platform may include at least four such coils. Regions between and above the coils may include magnetic fields approximately parallel to the surface of the platform so that electronic devices may be charged while standing up during operation by a user with reduced exposure to magnetic radiation. An electronic device may also be placed flat on each coil for charging.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: March 26, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Seong Heon Jeong, Jeong Il Kim
  • Publication number: 20190081471
    Abstract: A display device includes: a timing controller generating and supplying first timing control signals, a level shifter generating and supplying gate control signals using the first timing control signals, a gate driver separately driving gate lines of a panel using the gate control signals, and an output circuit outputting the gate control signals, the level shifter including an overcurrent protection circuit (OPC) connected to the output circuit, the overcurrent protection circuit sensing overcurrent generation in the level shifter and overcurrent generation in a target circuit through the output circuit to output an overcurrent protection signal, wherein the level shifter: sets a time period to be a non-sensing time period, turns off a sensing operation of the OPC during the non-sensing time period, and turning on the sensing operation of the OPC during other periods, and wherein the OPC: turns on the sensing operation, and senses the overcurrent generation.
    Type: Application
    Filed: August 14, 2018
    Publication date: March 14, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Min-Gyu Park, Seong-Heon An
  • Patent number: 10224753
    Abstract: A wireless power transmitter includes a power transmit coil configured to generate a magnetic field for wirelessly coupling charging power to one or more receiver devices, the magnetic field having a magnetic field distribution over an area defining a charging region, a circuit configured to alter the magnetic field generated by the power transmit coil to alter the magnetic field distribution, and a controller operably coupled to the circuit, the controller configured to control the circuit to alter the magnetic field distribution responsive to a detected characteristic of the one or more receiver devices.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: March 5, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: William Henry Von Novak, III, Edward Kenneth Kallal, Cody Burton Wheeland, Seong Heon Jeong