Patents by Inventor Tae Hwang

Tae Hwang 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: 10454313
    Abstract: A wireless power receiver is disclosed. The wireless power receiver according to an embodiment of the present invention comprises: a resonator for receiving wireless power; a rectifier for converting alternating current power received from the resonator to direct current power and supplying output power to a load; and a control unit for adjusting a resonant frequency of the resonator to directly control the output power of the rectifier supplied to the load.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: October 22, 2019
    Assignee: MAPS, Inc.
    Inventors: Jong Tae Hwang, Hyun Ick Shin, Sang O Jeon, Dae Ho Kim, Hui Yong Chung, Joon Rhee
  • Publication number: 20190312030
    Abstract: Semiconductor device having less defects in a gate insulating film and improved reliability and methods of forming the semiconductor devices are provided. The semiconductor devices may include a gate insulating film on a substrate and a gate electrode structure on the gate insulating film. The gate electrode structure may include a lower conductive film, a silicon oxide film, and an upper conductive film sequentially stacked on the gate insulating film. The lower conductive film may include a barrier metal layer.
    Type: Application
    Filed: June 5, 2019
    Publication date: October 10, 2019
    Inventors: Moon-Kyu Park, Jae-Yeol Song, Hoon-Joo Na, Yoon-Tae Hwang, Ki-Joong Yoon, Sang-Jin Hyun
  • Patent number: 10438800
    Abstract: Semiconductor devices and methods for fabricating the same are provided. A semiconductor device may include a substrate including first and second regions, a first interface film disposed on the substrate in the first region, a second interface film disposed on the substrate in the second region, a dielectric film disposed on the first and second interface films, a first metal film disposed on the dielectric film in the first region, and a second metal film disposed on the dielectric film in the second region. The first and second interface films may comprise an oxide of the substrate, the first and second metal films may comprise different materials, and the first and second interface films may have different thicknesses. Channels may be provided in the first and second regions, and the channels may be fin-shaped or wire-shaped. The metal films may have different oxygen content.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon Tae Hwang, Moon Kyun Song, Nam Gyu Cho, Kyu Min Lee, Soo Jung Choi, Yong Ho Ha, Sang Jin Hyun
  • Patent number: 10435597
    Abstract: Provided are a seal tape and a secondary battery. The seal tape for adhering an electrode assembly includes a pressure-sensitive adhesive layer including a cured product of a pressure-sensitive adhesive composition including a polymer including a polar functional group-containing monomer as a polymerization unit, and is expanded in contact with an electrolyte solution to be detached from the electrode assembly, and therefore, isotropic volume expansion and contraction of the electrode assembly may be induced by repeated charge and discharge of a secondary battery and a disconnection phenomenon in which an electrode is disconnected may be prevented.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: October 8, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Min Soo Park, Yoon Tae Hwang, Se Woo Yang, Myung Seob Kim, Mun Sung Kim
  • Patent number: 10395324
    Abstract: The present invention related to an apparatus and a method for calculating basic electricity charges, being capable of periodically collecting electricity usage information for each household by using a smart meter provided in an aggregate building in which power reception equipment is installed, calculating the monthly or yearly maximum demand power for each household using the collected electricity usage information, and then, automatically calculating the basic electricity charges for each household with respect to the basic electricity charges of an entire aggregate building in consideration of the calculated maximum demand power for each household obtained and a ratio of ownership shares for each household based on the ownership shares for each resident household.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: August 27, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae In Hwang, Il Woo Lee
  • Patent number: 10361194
    Abstract: Semiconductor device having less defects in a gate insulating film and improved reliability and methods of forming the semiconductor devices are provided. The semiconductor devices may include a gate insulating film on a substrate and a gate electrode structure on the gate insulating film. The gate electrode structure may include a lower conductive film, a silicon oxide film, and an upper conductive film sequentially stacked on the gate insulating film. The lower conductive film may include a barrier metal layer.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: July 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moon-Kyu Park, Jae-Yeol Song, Hoon-Joo Na, Yoon-Tae Hwang, Ki-Joong Yoon, Sang-Jin Hyun
  • Publication number: 20190212762
    Abstract: A regulator includes a first resistor and a second resistor that are connected between a ground node and an output node, an amplifier that outputs an amplification voltage by comparing a reference voltage to a feedback voltage between the first resistor and the second resistor, and amplifying a difference between the reference voltage and the feedback voltage, an analog-to-digital converter that converts the amplification voltage to a digital code, and a plurality of transistors that are connected between a power node supplied with a power supply voltage and the output node and which adjusts a current being supplied to the output node in response to the digital code.
    Type: Application
    Filed: October 1, 2018
    Publication date: July 11, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: DONGHUN HEO, TAE-HWANG KONG, YONGJIN LEE
  • Publication number: 20190196642
    Abstract: Provided are a touch screen controller, a touch screen system including the touch screen controller, and a method of operating the touch screen controller. The touch screen controller includes a driving circuit configured to output a first driving signal in a first touch mode and a second driving signal in a second touch mode, the first touch mode including a driving period and a subsequent sensing period; and a boosting circuit configured, in the first touch mode, to generate a first voltage by performing an internal switching operation based on an input voltage and a first switching signal, and configured to provide the first voltage to the driving circuit, wherein the first switching signal has a first frequency in the driving period and a second frequency different from the first frequency in the subsequent sensing period.
    Type: Application
    Filed: September 12, 2018
    Publication date: June 27, 2019
    Inventor: Tae-hwang KONG
  • Publication number: 20190196966
    Abstract: A storage device includes at least one nonvolatile memory device including a plurality of memory blocks, the nonvolatile memory device configured to store user data and meta data in the plurality of memory blocks, and a device controller configured to control the nonvolatile memory device, to calculate a user cost corresponding to a time of memory accesses to the user data to be performed at garbage collection with respect to each of the plurality of memory blocks, to calculate a meta cost corresponding to a time of memory accesses to the meta data to be performed at the garbage collection with respect to each of the plurality of memory blocks, to select a victim block among the plurality of memory blocks based on the user cost and the meta cost, and to perform the garbage collection on the victim block.
    Type: Application
    Filed: September 28, 2018
    Publication date: June 27, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: In-Tae HWANG, Ju-Young LEE, Won-Jin LIM, Sung-Hyun CHO
  • Patent number: 10320239
    Abstract: A wireless power receiver is disclosed. The wireless power receiver comprises: a resonance tank for receiving magnetic resonance-type wireless power; a rectifier including a diode bridge and a first switch connected to both ends of any one diode for forming the diode bridge, so as to rectify wireless power received by the resonance tank and supply the rectified wireless power to a load; and a controller controlling the first switch so as to operate the rectifier as a full-wave rectifier or a half-wave rectifier.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: June 11, 2019
    Assignee: MAPS. INC.
    Inventors: Jong Tae Hwang, Hyun Ick Shin, Min Jung Ko, Dong Su Lee, Jong Hoon Lee, Ki-Woong Jin, Joon Rhee
  • Patent number: 10281508
    Abstract: An apparatus for automated electricity demand response based on online trading of demand side resources. The apparatus includes a communication unit, a demand response management system, an utility grid management system, and a demand response resources in use; a database; and a demand response processing unit configured to receive an electricity demand reduction instruction message according to a certain demand response service contract condition in the demand response management system.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: May 7, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae In Hwang, Il Woo Lee
  • Publication number: 20190121728
    Abstract: A memory device and a dynamic garbage collection method thereof are provided. The method includes receiving a minimum operating speed, ascertaining a reference valid page count ratio (VPC), using a maximum operating speed, the minimum operating speed, and a garbage collection speed, the reference VPC ratio being ascertained by the following formula 1 and determining whether to perform a garbage collection, using the reference VPC ratio and a current average VPC ratio. <Formula 1> Vr=Gp (Jp?Mp)/(Jp*Mp+(Gp*(Jp?Mp))) Here, Vr is the reference VPC ratio, Gp is the garbage collection speed, Jp is the maximum operating speed, and Mp is the minimum operating speed.
    Type: Application
    Filed: September 18, 2018
    Publication date: April 25, 2019
    Inventors: Sang Won Jung, Young Pil Song, Ju-Young Lee, Jun Ho Ahn, Bum Hee Lee, Sung-Hyun Cho, In Tae Hwang
  • Patent number: 10254458
    Abstract: Provided are a base film, a laminate, and a method of forming a polarizing film. Particularly, a base film which may effectively form a polarizing film having a thickness of approximately 10, 8, 7, 6, or 5 ?m or less and exhibiting excellent functions such as polarizing performance, a laminate, and a method of forming the same are provided. Therefore, a polarizing film may be formed by preventing tearing or curling during an elongation process, and easily elongating a polarizing material such as a polyvinylalcohol-based resin.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: April 9, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Se Woo Yang, Sung Hyun Nam, Yoon Tae Hwang, Jong Hyun Jung, Suk Ky Chang, Kyun Il Rah
  • Patent number: 10243233
    Abstract: The present invention relates to swelling tape for filling a gap and its use. The swelling tape is, for example, applied between gaps in which a fluid is present, thereby being deformed into a three-dimensional shape to fill the gap and fix an object separated by gaps as needed.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: March 26, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Min Soo Park, Byung Kyu Jung, Yoon Tae Hwang, Se Woo Yang, Suk Ky Chang, Sung Jong Kim, Ji Young Hwang, Cha Hun Ku
  • Patent number: 10236941
    Abstract: Disclosed are a single antenna-based wireless charging and near field communication control apparatus and a user terminal therefor. A single antenna-based wireless charging and near field communication control apparatus according to one embodiment comprises: a switch control unit for detecting a resonance frequency from an input signal of a rectifier in a power receiver and determining whether the detected resonance frequency is a first frequency for wireless charging using a single antenna or a second frequency for near field communication using a single antenna, to generate a control signal; and a switch which is turned on/off for wireless charging or near field communication according to the received control signal from the switch control unit.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: March 19, 2019
    Assignee: Maps, Inc.
    Inventors: Jong Tae Hwang, Ki-Woong Jin, Sung Min Park, Min Jung Ko, Dong Su Lee, Jong Hoon Lee, Hyun Ick Shin, Joon Rhee
  • Patent number: 10230084
    Abstract: A swelling tape for filling a gap, a method of manufacturing the swelling tape for filling a gap, a method of filling a gap, an electrode assembly and a secondary battery are provided. For example, the swelling tape can be applied inside a gap in which a fluid exists so as to fill the gap by becoming a 3D form, and can be useful at anchoring a subject in which the gap is formed, as necessary.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: March 12, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Se Ra Kim, Suk Ky Chang, Hyo Sook Joo, Yoon Tae Hwang, Se Woo Yang, Joon Hyung Kim, Sung Jong Kim
  • Patent number: 10217640
    Abstract: A method of fabricating a semiconductor device includes forming first and second gate dielectric layers on first and second regions of a semiconductor substrate, respectively, forming a first metal-containing layer on the first and second gate dielectric layers, performing a first annealing process with respect to the first metal-containing layer, removing the first metal-containing layer from the first region, forming a second metal-containing layer on an entire surface of the semiconductor substrate, performing a second annealing process with respect to the second metal-containing layer, forming a gate electrode layer on the second metal-containing layer, and partially removing the gate electrode layer, the second metal-containing layer, the first metal-containing layer, the first gate dielectric layer, and the second gate dielectric layer to form first and second gate patterns on the first and second regions, respectively.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: February 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soojung Choi, Moonkyun Song, Yoon Tae Hwang, Kyumin Lee, Sangjin Hyun
  • Publication number: 20190058344
    Abstract: A charge control circuit includes: a charge current control circuit configured to receive an input voltage at a first node, output a sensing current to a second node, and turn on a power transistor; a comparator configured to compare a voltage level of the second node with a voltage level of a third node, wherein the third node receives a charging current from the power transistor; a current mirror configured to generate a mirror current corresponding to the sensing current; and an amplifier configured to receive a first feedback voltage based on the mirror current, and amplify a difference between the first feedback voltage and a reference voltage to generate a switch control signal, wherein in response to the switch control signal and a plurality of control signals, the charge current control circuit is configured to decrease the sensing current and turn on the power transistor.
    Type: Application
    Filed: October 23, 2018
    Publication date: February 21, 2019
    Inventors: TAE HWANG KONG, SUN KYU LEE, SUNG YONG LEE, DAE YONG KIM, SANG HO KIM
  • Patent number: 10197789
    Abstract: Provided is a smart pixel blind having aesthetics that may be felt by a user by including a plurality of pixels disposed in a two-dimensional array. In the smart pixel blind, driving devices are provided in the respective pixels, and when the user inputs a predetermined shape using a portable terminal, or the like, a main controller receives the input shape and controls the driving devices provided in the respective pixels to allow the input shape to be displayed.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: February 5, 2019
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Soo-Hong Lee, Dae-Eun Kim, Jeonggyu Lee, Min Hyuk Woo, Hyun-Tae Hwang, Sungeun Lee, Sunghoon Lee, Sangki Kim, Heungryong Jee, Hojoon Son, Hyebin Kim
  • Publication number: 20190036381
    Abstract: Disclosed are an apparatus for protecting a wireless communication device and a wireless communication device comprising the same. The protection apparatus according to one embodiment comprises: a determination unit for detecting a power supply voltage of a wireless communication device for wirelessly transmitting and receiving a signal by generating a magnetic field or reacting therewith, and determining a wireless charging state from the outside when an increase in the power supply voltage, which is greater than or equal to a preset threshold, is detected; and a protection unit for protecting the wireless communication device from a power signal for wireless charging when the wireless charging condition is determined through the determination unit.
    Type: Application
    Filed: December 2, 2016
    Publication date: January 31, 2019
    Applicant: MAPS, INC.
    Inventors: Jong Tae HWANG, Sung Min PARK, Min Jung KO, Dong Su LEE, Jong Hoon LEE, Ki-Woong JIN, Hyun Ick SHIN, Joon RHEE