Patents by Inventor Hyun Chul Lee

Hyun Chul Lee 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: 10879398
    Abstract: An integrated circuit device includes a device isolation trench defining an active area, a gate trench extending in a first direction across the active area and the device isolation film, a gate dielectric film covering an inner wall of the gate trench, and a conductive line filling a part of the gate trench above the gate dielectric film. The active area includes a fin body portion located under the conductive line, and a thinner fin portion protruding from the fin body portion toward the conductive line and having a width less than a width of the fin body portion in the first direction.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-seung Lee, Yun-seung Kang, Soung-hee Lee, Sang-gyo Chung, Hyun-chul Lee
  • Publication number: 20200350641
    Abstract: An apparatus, a method and a battery pack for detecting a fault of at least one of first and second electrical conductors connected to a positive terminal and a negative terminal of the battery, respectively. The apparatus includes a current sensor measuring a battery current, a voltage sensor measuring a voltage between the first electrical conductor and the second electrical conductor as a battery voltage, and a control unit. The control unit determines an idle voltage value indicating the battery voltage measured while charging and discharging of the battery is stopped. The control unit determines a diagnosis voltage value indicating the battery voltage measured while the battery is being charged or discharged. The control unit determines whether at least one of the first and second electrical conductors is faulty based on a difference between the idle voltage value and the diagnosis voltage value.
    Type: Application
    Filed: March 31, 2020
    Publication date: November 5, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Hyun-Chul LEE, Dong-Keun KWON
  • Publication number: 20200285960
    Abstract: In one embodiment, a computer-implemented method includes acquiring sequential user behavior data including one-dimensional data. The user behavior data is associated with a user. The method includes abstracting features from the sequential user behavior data to cover short-term and long-term timeframes. The method includes determining one or more properties of the user based on the features.
    Type: Application
    Filed: February 20, 2020
    Publication date: September 10, 2020
    Inventors: Xiangyuan Zhao, Hong-hoe Kim, Peng Zhou, Yingnan Zhu, Hyun Chul Lee
  • Publication number: 20200286112
    Abstract: In one embodiment, a method includes receiving user behavior data and contextual information associated with the user behavior data, the contextual information including a first data portion associated with a first context type. The method includes generating, from the user behavior data and the contextual information using a hashing algorithm, a first heterogeneous hash code including a first portion representing the user behavior data and a second hash code portion representing the first data portion associated with the first context type. The method includes accessing a second heterogeneous hash code including a third hash code portion representing a second data portion associated with the first context type. The method includes comparing the first heterogeneous hash code with the second heterogeneous hash code including determining similarity between the second hash code portion of the first heterogeneous hash code and the third hash code portion of the second heterogenous hash code.
    Type: Application
    Filed: February 20, 2020
    Publication date: September 10, 2020
    Inventors: Peng Zhou, Yingnan Zhu, Xiangyuan Zhao, Hong-hoe Kim, Hyun Chul Lee
  • Patent number: 10764084
    Abstract: Provided is an integrated ECU. The integrated ECU includes an integrated electronic control unit (ECU) including: a gateway configured to perform a network communication in connection with a network; a vehicle motion main controller having a domain corresponding to first sensing information sensed by a vehicle motion sensor of the sensor such that the vehicle motion main controller performs control on a motion of a vehicle by receiving the first sensing information using the gateway; and a vehicle safety main controller having a domain corresponding to second sensing information sensed by a vehicle safety sensor such that the vehicle safety main controller performs control on a safety of the vehicle by receiving the second sensing information using the gateway.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: September 1, 2020
    Assignee: MANDO CORPORATION
    Inventor: Hyun Chul Lee
  • Patent number: 10755446
    Abstract: A content providing method of a content providing system is executed on at least one computer and includes configuring a page to be provided in content, recognizing an area that is configured using a single color and has a size greater than or equal to a preset size by analyzing the final image that configures the page, and reconfiguring the final image by removing the recognized area.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: August 25, 2020
    Assignee: NAVER Corporation
    Inventors: Hyo Kim, Hyun Chul Lee, Ji Han Kim, Dai-Hyun Lim, Byoungkwan Kim
  • Publication number: 20200264237
    Abstract: A method for calculating an accurate SOH of a battery pack by reducing an error occurring during SOH calculation of the battery pack.
    Type: Application
    Filed: August 30, 2018
    Publication date: August 20, 2020
    Applicant: LG CHEM, LTD.
    Inventor: Hyun Chul LEE
  • Patent number: 10734037
    Abstract: In a low voltage detection circuit having improved detection performance, the low voltage detection circuit includes: a comparison voltage generator for generating a first comparison voltage and a second comparison voltage having a level higher than that of the first comparison voltage by dividing a power voltage; a first comparator for outputting a low voltage detection enable signal by comparing the first comparison voltage with a reference voltage; a second comparator for outputting a detection signal by comparing the second comparison voltage with the reference voltage while the low voltage detection enable signal is being input; a detection signal maintainer for providing a low voltage detection signal to an output terminal according to the detection signal; and an output signal discharger for discharging the low voltage detection signal according to the low voltage detection enable signal.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: August 4, 2020
    Assignee: SK hynix Inc.
    Inventor: Hyun Chul Lee
  • Publication number: 20200235588
    Abstract: An apparatus for balancing a battery according to the present disclosure includes: a voltage measuring unit configured to measure a voltage of each of a plurality of battery cells connected to each other; and a control unit configured to calculate a state of charge (SOC) of each of the battery cells from the voltage measured by the voltage measuring unit, select a standard cell and a target group on the basis of the calculated SOCs of the battery cells, choose one battery cell among battery cells belonging to the selected target group as a target cell, calculate a balancing time according to a difference between the SOC of the standard cell and the SOC of the target cell, and perform balancing to the battery cells belonging to the target group during the calculated balancing time.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 23, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Hyun-Chul LEE, Ju-Young SUN, Seung-Min LEE
  • Publication number: 20200234739
    Abstract: In a low voltage detection circuit having improved detection performance, the low voltage detection circuit includes: a comparison voltage generator for generating a first comparison voltage and a second comparison voltage having a level higher than that of the first comparison voltage by dividing a power voltage; a first comparator for outputting a low voltage detection enable signal by comparing the first comparison voltage with a reference voltage; a second comparator for outputting a detection signal by comparing the second comparison voltage with the reference voltage while the low voltage detection enable signal is being input; a detection signal maintainer for providing a low voltage detection signal to an output terminal according to the detection signal; and an output signal discharger for discharging the low voltage detection signal according to the low voltage detection enable signal.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 23, 2020
    Inventor: Hyun Chul LEE
  • Publication number: 20200236422
    Abstract: According to various example embodiments, an electronic device includes: a communication interface; a display; and a processor which is operatively connected to the display, wherein the processor may be configured to retrieve at least one object associated with at least one external electronic device contained in a video when playing back the video on the display, to obtain information for connecting with at least one external electronic device with respect to at least one retrieved object, and to connect with the at least one external electronic device via a communication interface in response to user input. In addition, various other embodiments are possible.
    Type: Application
    Filed: February 6, 2018
    Publication date: July 23, 2020
    Inventors: Shin-Duck LEE, Hyun-Chul LEE
  • Patent number: 10703873
    Abstract: An intermediate material of a thermoplastic prepreg for a fuel cell separation plate comprises a hydrophobic thermoplastic resin film and a fiber base. The hydrophobic thermoplastic resin film has a degree of crystallization of 1 to 20%, a thickness of 3 to 50 ?m, and (iii) a content of an electroconductive material of 1 to 20 wt. %. The film is laminated on at least one surface of the fiber base. The thermoplastic prepreg for a fuel cell separation plate is manufactured by pressurizing the thermoplastic prepreg intermediate material at a temperature higher than the melting point of the hydrophobic thermoplastic resin film. A fuel cell separation membrane manufactured using the thermoplastic prepreg intermediate material and thermoplastic prepreg is thin and light-weight, and have a good durability.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: July 7, 2020
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Jee Sung Yi, Hyun Chul Lee, Joon Young Yoon, Eun Jeong Cho, Chung Seock Kang
  • Patent number: 10698576
    Abstract: The present invention relates to a device and method for displaying cartoon data. The device for displaying cartoon data includes a storage unit configured to store a first layer as a main cut of cartoon data and second to Nth layers as sub cuts having additional information to be added to the main cut, wherein the first to Nth layers are displayed in a display region of a user terminal, a detection unit configured to detect a surrounding environment of the user terminal or data input to the user terminal, and a control unit configured to initiate a display of any one of the second to Nth layers in the display region of the user terminal according to a detection result of the detection unit.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: June 30, 2020
    Assignee: NAVER Corporation
    Inventors: Hyo Kim, Hyun Chul Lee, Ji Han Kim, Dai Hyun Lim, Byoung Kwan Kim
  • Patent number: 10650865
    Abstract: In a low voltage detection circuit having improved detection performance, the low voltage detection circuit includes: a comparison voltage generator for generating a first comparison voltage and a second comparison voltage having a level higher than that of the first comparison voltage by dividing a power voltage; a first comparator for outputting a low voltage detection enable signal by comparing the first comparison voltage with a reference voltage; a second comparator for outputting a detection signal by comparing the second comparison voltage with the reference voltage while the low voltage detection enable signal is being input; a detection signal maintainer for providing a low voltage detection signal to an output terminal according to the detection signal; and an output signal discharger for discharging the low voltage detection signal according to the low voltage detection enable signal.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: May 12, 2020
    Assignee: SK hynix Inc.
    Inventor: Hyun Chul Lee
  • Patent number: 10635285
    Abstract: The present invention relates to a device and method for displaying cartoon data. The cartoon data display device includes a display unit configured to display a display region of cartoon data, a reception unit configured to receive a first user event signal or a second user signal from a user and a control unit configured to perform control to display a first layer on the display unit while moving the first layer in a first direction in response to the reception of the first user event signal and display a second layer on the display unit while moving the second layer in a second direction in response to the reception of the second user event signal.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: April 28, 2020
    Assignee: NAVER Corporation
    Inventors: Hyo Kim, Hyun Chul Lee, Ji Han Kim, Dai Hyun Lim, Byoung Kwan Kim
  • Patent number: 10576600
    Abstract: Disclosed is an apparatus for processing a lens edge. The apparatus comprises: a wheel-shaft-moving rotating member whose one end is fixed to a fixing frame by a moving-shaft, for moving pivotally about the moving-shaft; a wheel-shaft mounted on the other end of the wheel-shaft-moving rotating member, for moving pivotally with the wheel-shaft-moving rotating member and for being rotated by driving a wheel-rotating motor; and a cutter for processing the lens edge into a form of a step/incline shape, the cutter being coupled to one end of the wheel shaft to move with the wheel-shaft to contact the lens edge, and rotated with the wheel shaft to cut the surface of the lens, and the cutter comprising a rotating body inserted into the wheel-shaft to rotate with the wheel-shaft, and at least one cutting projection formed on the circumference of the rotating body to cut the edge and the periphery of the lens.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: March 3, 2020
    Assignee: HUVITZ CO., LTD.
    Inventors: Hyun Chul Lee, Seung Suk Ha
  • Publication number: 20200052272
    Abstract: A porous film comprising a Lewis base and nanofibers comprising cellulose or a derivative thereof, a separator comprising the porous film, and an electrochemical device comprising the separator or porous film are provided. The electrochemical device comprising the separator comprising the porous film may have improved thermal stability, and thus deterioration of the electrochemical device may be inhibited.
    Type: Application
    Filed: June 20, 2019
    Publication date: February 13, 2020
    Inventors: Kitae Park, Jinkyu Kang, Hyun Chul Lee, Hyeokjo Gwon, Nagjong Kim, Sunghaeng Lee
  • Patent number: 10540748
    Abstract: Provided is an image displaying apparatus including a display configured to display a first image; a checker configured to check a correlation between the first image and a second image by analyzing the first and second images; a determiner configured to determine a change effect to be applied when the display is changed from a state of displaying the first image to a state of displaying the second image, based on the correlation; and a changer configured to change an image displayed on the display from the first image to the second image by applying the change effect.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: January 21, 2020
    Assignee: NAVER Corporation
    Inventors: Hyo Kim, Hyun Chul Lee, Ji Han Kim, Byoung Kwan Kim
  • Publication number: 20200015063
    Abstract: Various embodiments of the present invention relate to an electronic device and method for providing an emergency call, and a server for providing the same. To this end, the electronic device according to the various embodiments of the present invention comprises: a short-range wireless communication circuit; a memory for storing at least one piece of content; and at least one processor electrically connected with the short-range wireless communication circuit and the memory, wherein the processor transmits, to a server, a request for registering to a first communication network, receives, from the server, a message for indicating whether an emergency call for a first communication network of another provider can be supported, and can display the received message. Other embodiments are also possible.
    Type: Application
    Filed: March 16, 2018
    Publication date: January 9, 2020
    Inventors: Shin-Duck LEE, Hyun-Chul LEE
  • Patent number: 10522195
    Abstract: There are provided a memory system and a method for operating the same. A memory system includes: a controller configured to generate and output a first command corresponding to a normal operation or a second command corresponding to a deep power down (DPD) mode; and a semiconductor memory device configured to perform the normal operation in response to the first command, wherein the normal operation is performed using an internal power voltage generated by down-converting a first external power voltage, and operate in the DPD mode in response to the second command, wherein, in the DPD mode, the semiconductor memory device operates using a second external power voltage as the internal powervoltage.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: December 31, 2019
    Assignee: SK hynix Inc.
    Inventor: Hyun Chul Lee