Patents by Inventor Kyu Min

Kyu Min 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).

  • Storage system including nonvolatile memory module for converting random logical addresses to sequential logical addresses and operating method of the nonvolatile memory module
    Patent number: 11144249
    Abstract: A storage system includes a processor configured to request a write operation of first data corresponding to a first logical address, and requests a write operation of second data corresponding to a second logical address, a memory module including a nonvolatile memory device configured to store the first data and the second data, and a controller configured to convert the first logical address into a first device logical address, and converts the second logical address into a second device logical address based on the first device logical address and a size of the first data, and a storage device configured to store the first data in the storage device based on the first device logical address, and store the second data in the storage device based on the second device logical address.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: October 12, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Woo Lim, Kyu-Min Park, Do-Han Kim
  • PREPARATION OF PRECIPITATED SILICAS USEFUL AS FILLERS IN SILICON MATRICES
    Publication number: 20210309530
    Abstract: The invention relates to the use of carboxylic acid during the preparation of precipitated silica or a suspension of precipitated silica and to the precipitated silicas thus obtained, particularly with low water uptake, which can be used, for example, as a reinforcing filler in silicon matrices.
    Type: Application
    Filed: June 11, 2021
    Publication date: October 7, 2021
    Applicant: RHODIA CHIMIE
    Inventors: Remi Valero, Jean-Noel Jas, Joel Racinoux, Kyu-Min Hwang, Youn-Kwon Yoo, Soline Daudey
  • Method and apparatus for low power communication in communication system
    Patent number: 11134444
    Abstract: Disclosed are a low-power communication method and a low-power communication apparatus in a communication system. A low-power station may comprise a processor; a memory storing at least one instruction executable by the processor; a receiver for receiving a WUR PPDU according to the at least one instruction; and a transceiver for transmitting and receiving a legacy PPDU according to the at least one instruction, and the at least one instruction may be configured to cause the receiver to receive a WUR wake-up frame from the access point in an on-duration within a WUR duty cycle period; when the WUR wake-up frame is received, cause the processor to transmit a first signal requesting wake-up to the transceiver; and when the first signal is received, cause the transceiver to transition from a sleep state to a wake-up state at a TWT configured between the access point and the low-power station.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: September 28, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Hyun Hwang, Kyu Min Kang, Sung Jin Yoo, Su Na Choi, Jae Cheol Park, Yong Ho Kim
  • ELECTRONIC DEVICE PACKAGE AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20210288128
    Abstract: An electronic device package includes: a substrate including a central region, and a first side region and a second side region at opposite sides of the central region; a first component in the first side region or the second side region, the first component having a first height above a surface of the substrate; a second component in the central region, the second component having a second height above the surface of the substrate that is lower than the first height; a reinforcement member in the central region and overlapping the second component, the reinforcement member having a third height above the surface of the substrate that is lower than the first height and higher than the second height; and an encapsulation member covering the first component and the second component.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 16, 2021
    Inventors: Seung Hwan CHEONG, Sung Bae PARK, Myung Joon YOON, Kyu Min HAN
  • Battery Management System and Battery Management Method
    Publication number: 20210286018
    Abstract: Provided are a battery management system and a battery management method using the same. According to the present invention, it is possible to select high-risk battery cells that are highly likely to be out of an operating voltage range by applying a change amount according to SoH for each of the battery cells to each SoC for each of the battery cells, and calculate the representative SoH of the battery pack based on the selected high-risk battery cells, and then calculate the actual usable capacity of the battery pack.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 16, 2021
    Inventors: Doo Jin Jeong, Jeong Min Seo, Kyu Min Hwang, Byung Eun Lee
  • Battery pack and method for detecting whether or not busbar is opened using the battery pack
    Patent number: 11121411
    Abstract: Provided is a battery pack including a busbar connection state protection circuit that detects an opening of a busbar when the busbar that connects between unit batteries is opened by damage and prevents a problem in that a reverse voltage generated when the busbar is damaged damages a battery management board. Provided is also a method for detecting whether or not a busbar is opened using the battery pack, capable of easily detecting whether or not the busbar is opened using the battery pack.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: September 14, 2021
    Assignee: SK Innovation Co., Ltd.
    Inventor: Kyu Min Hwang
  • Lens module
    Patent number: 11073681
    Abstract: A lens module includes: a first lens having negative refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having negative refractive power; a fifth lens of which an object-side surface is concave; and a sixth lens having one or more inflection points on an image-side surface thereof, wherein the first to sixth lenses are sequentially disposed from an object side of the lens module to an image side of the lens module.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: July 27, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae
  • Battery Cell Screening Device and Battery Cell Screening Method
    Publication number: 20210226462
    Abstract: Provided are a cell screening device for selecting battery cells of a high-risk group, and a cell screening method using the same. According to the present invention, the battery cells may be ordered in the order of high probability of being out of an upper limit value or a lower limit value of an operating voltage among a plurality of battery cells using state information calculated for each battery cell, thereby making it possible to select the battery cells of the high-risk group.
    Type: Application
    Filed: January 19, 2021
    Publication date: July 22, 2021
    Inventors: Jeong Min Seo, Byung Eun Lee, Kyu Min Hwang
  • ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE
    Publication number: 20210193969
    Abstract: An organic light emitting diode display device includes a substrate including at least one subpixel having a non-emitting area and an emitting area; a thin film transistor in the non-emitting area on the substrate; an overcoating layer on the thin film transistor and having a plurality of microlenses at a top surface of the overcoating layer; and a light emitting diode in the emitting area on the overcoating layer and connected to the thin film transistor, wherein a surface of the plurality of microlenses in a sampling area of the emitting area is divided into a plurality of convex portions and a plurality of concave portions with respect to a central surface, and a total volume of the plurality of convex portions with respect to the central surface is equal to a total volume of the plurality of concave portions with respect to the central surface.
    Type: Application
    Filed: December 9, 2020
    Publication date: June 24, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Keum-Kyu MIN, Min-Geun CHOI, Yong-Hoon CHOI
  • IMAGING LENS SYSTEM
    Publication number: 20210181463
    Abstract: An imaging lens system includes a first lens, a second lens, a third lens having negative refractive power, a fourth lens, a fifth lens, and a sixth lens, disposed in order from an object side in a direction of an imaging plane, wherein one or more of the first to sixth lenses has a refractive index of 1.8 or greater, and has a refractive index temperature coefficient (10?6/° C.) of 3 or greater.
    Type: Application
    Filed: September 10, 2020
    Publication date: June 17, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyuk Joo KIM, Kyu Min CHAE, Seong Ho HWANG, Yong Joo JO
  • IMAGE DEVICE AND FABRICATING METHOD THEREOF
    Publication number: 20210175266
    Abstract: An image device includes a first active region and a second active region disposed on a substrate. Each of the first active region and the second active region includes a gate insulating layer disposed on the substrate and a gate electrode disposed on the gate insulating layer. At least one of the first active region and the second active region further includes a first passivation layer containing fluorine (F) disposed between the gate insulating layer and the gate electrode. A concentration of fluorine in the gate insulating layer is higher than a concentration of fluorine in the gate electrode.
    Type: Application
    Filed: July 13, 2020
    Publication date: June 10, 2021
    Inventors: Kyu Min LEE, Ju-Eun KIM, Soo Jin HONG
  • Organic light emitting diode display device
    Patent number: 11011732
    Abstract: An organic light emitting diode display device includes a substrate having a plurality of subpixels which each have an emission region and a non-emission region defined along an edge of the emission region. A reflective barrier is disposed to correspond to the non-emission region and includes a reflective side surface. An overcoat layer is disposed on an upper portion of the reflective barrier. A light emitting diode includes a first electrode, an organic light emitting layer, and a second electrode, which are sequentially disposed on the overcoat layer. The reflective side surface of the reflective barrier is inversely tapered such that a width thereof is decreased in a traveling direction of light emitted from the organic light emitting layer.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: May 18, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kang-Ju Lee, Keum-Kyu Min, Soo-Kang Kim, Jin-Tae Kim, Yong-Hoon Choi
  • Virtual reality dual use mobile phone case
    Patent number: 10948727
    Abstract: A combined virtual reality and cell phone case can include: a casing fixing a cell phone body; an ocular plate configured to maintain a variable distance from the rear surface of the casing; and a screen and distance adjustment member interposed between the casing and the ocular plate, and configured to move the ocular plate between a retracted state in which the ocular plate comes into close contact with the casing and an extended state in which the ocular plate maintains a predetermined distance from the casing, thereby facilitating implementation of virtual reality.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 16, 2021
    Inventor: Sang Kyu Min
  • IMAGING LENS SYSTEM
    Publication number: 20210072509
    Abstract: An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens disposed in order from an object side, and a stop disposed on an image side of one of the first to sixth lenses, and one or more of the second to seventh lenses, disposed on an image side of the stop, each has a positive refractive power and a negative refractive index temperature coefficient.
    Type: Application
    Filed: February 10, 2020
    Publication date: March 11, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Min CHAE, Hyo Jin HWANG, Hwan Soo PARK
  • LENS MODULE
    Publication number: 20210063707
    Abstract: A lens module may include a first lens having positive refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having negative refractive power; and a seventh lens having refractive power and one or more inflection points formed in locations thereof not crossing an optical axis, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 4, 2021
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kyu Min CHAE
  • EGR control method applied with humidity sensor for preventing condensation
    Patent number: 10927796
    Abstract: An exhaust gas recirculation (EGR) control method applied with a humidity sensor for preventing condensation to prevent corrosion caused by exhaust gas in a vehicle, may include a first step of measuring a temperature, humidity, and atmospheric pressure of intake air which is introduced from the outside of the vehicle and flows into the EGR; a second step of determining a molar fraction of water vapor included in the intake air by a combustion equation of the water vapor and determining water vapor pressure in the EGR; and a third step of opening an EGR valve so that EGR gas flows when the water vapor pressure in the EGR is lower than saturated water vapor pressure in the EGR.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: February 23, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kyu-Min Lee, Jun-Sik Park, Dong-Suk Chae, Cheol-Soo Park
  • STORAGE SYSTEM INCLUDING NONVOLATILE MEMORY MODULE AND OPERATING METHOD OF THE NONVOLATILE MEMORY MODULE
    Publication number: 20210026567
    Abstract: A storage system includes a processor configured to request a write operation of first data corresponding to a first logical address, and requests a write operation of second data corresponding to a second logical address, a memory module including a nonvolatile memory device configured to store the first data and the second data, and a controller configured to convert the first logical address into a first device logical address, and converts the second logical address into a second device logical address based on the first device logical address and a size of the first data, and a storage device configured to store the first data in the storage device based on the first device logical address, and store the second data in the storage device based on the second device logical address.
    Type: Application
    Filed: March 10, 2020
    Publication date: January 28, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-Woo LIM, Kyu-Min PARK, Do-Han KIM
  • System for network using bus protocol
    Patent number: 10897377
    Abstract: Provided is a bus network system including: a master node switch; and a plurality of slave node switches, wherein each of the plurality of slave node switches includes at least one band limit switch configured to transmit signals in a given band, and each of the plurality of slave node switches is configured to be physically on/off controlled.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: January 19, 2021
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ji Woong Choi, Sung Min Han, Kyu Min Kim, Eun Min Choi
  • FOLDABLE VIRTUAL REALITY DEVICE
    Publication number: 20210011545
    Abstract: A foldable virtual reality device. The device includes: a casing configured to separably accommodate a main body including a display; and a switching body rotatably attached to a side of the casing, switching to come in close contact with a front surface or a rear surface of the main body, and including a screen member and an ocular plate mounted on the screen member, wherein the screen member moves the ocular plate between a state in which the ocular plate is in close contact with the display and a state in which the ocular plate is spaced a predetermined distance from the display, in a state in which the screen member is in close contact with a surface of the main body on which the display is formed, and when the ocular plate is spaced, a virtual reality function can be implemented through the display.
    Type: Application
    Filed: March 14, 2019
    Publication date: January 14, 2021
    Inventor: Sang Kyu MIN
  • Lens module
    Patent number: 10871634
    Abstract: A lens module may include a first lens having positive refractive power; a second lens having positive refractive power; a third lens having negative refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having negative refractive power; and a seventh lens having refractive power and one or more inflection points formed in locations thereof not crossing an optical axis, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: December 22, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Min Chae