Patents by Inventor Ho-sung Kim

Ho-sung Kim 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: 11251463
    Abstract: A method of preparing a sintered solid electrolyte includes (a) coprecipitating a mixed solution including a lanthanum precursor, a zirconium precursor, a gallium precursor, a complexing agent, and a pH adjuster to provide a solid electrolyte precursor; (b) washing and drying the solid electrolyte precursor to provide a washed and dried solid electrolyte precursor; (c) mixing the washed and dried solid electrolyte precursor with a lithium source to provide a mixture; (d) calcining the mixture to provide a calcined solid electrolyte, which is a gallium (Ga)-doped lithium lanthanum zirconium oxide (LLZO), as represented by Chemical Formula 1 below, LixLayZrzGawO12,??Chemical Formula 1 where 5?x?9, 2?y?4, 1?z?3, and 0<w?4; and (e) sintering the calcined solid electrolyte at a temperature ranging from 1,000° C. to 1,300° C. to provide the sintered solid electrolyte, wherein a ratio (M1:M2) of moles (M1) of lithium element to moles (M2) of gallium element ranges from 6.7:0.1 to 5.8:0.4.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: February 15, 2022
    Assignee: Korea Institute of Industrial Technology
    Inventors: Ho Sung Kim, Min Young Kim, Seung Hoon Yang, Da Hye Kim, Hye Min Ryu, Ha Young Jung
  • Patent number: 11177502
    Abstract: The method for manufacturing a solid electrolyte using an LLZ material for a lithium-ion battery comprises the steps of: providing a starting material in which lanthanum nitrate [La(NO3)3.6H2O] and zirconium nitrate [ZrO(NO3)2.6H2O] are mixed at a mole ratio of 3:2; forming an aqueous solution by dissolving the starting material; forming a precipitate by putting ammonia, which is a complex agent, and sodium hydroxide, which adjusts the pH of a reactor, into the aqueous solution, mixing the same, and then co-precipitating the mixture; forming a primary precursor powder by cleaning, drying and pulverizing the precipitate; forming a secondary precursor powder by mixing lithium powder [LiOH.H2O] with the primary precursor powder and ball-milling the mixture so as to solidify the lithium; and forming a solid electrolyte powder by heat-treating the secondary precursor powder.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: November 16, 2021
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Ho Sung Kim, Tae Won Kim, Duck Rye Chang, Jong Ho Lee, Kyeong Wan Kim, Min Young Kim
  • Patent number: 11012372
    Abstract: An electronic apparatus and a method for controlling the same are provided. The method includes executing an application; acquiring a resource configuration corresponding to the application; first identifying an external electronic apparatus from among a plurality of external electronic apparatuses based on preference information, the first identifying being in response to the resource configuration containing pre-stored information relating to the plurality of external electronic apparatuses; second identifying whether the external electronic apparatus is available; connecting to the external electronic apparatus; and sending a message regarding the application to the external electronic apparatus.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hae-sik Jun, Won-yong Kim, Ho-sung Kim, Jae-chul Yang, Sang-gyu Lee
  • Patent number: 10886560
    Abstract: The present invention relates to an all-solid-state lithium secondary battery and a method of manufacturing the same. The all-solid-state lithium secondary battery includes a cathode, an anode, and a composite solid electrolyte layer between the cathode and the anode, wherein first and second LLZOs contained respectively in the cathode and the composite solid electrolyte layer are each independently aluminum-doped or undoped LLZO, and the battery of the invention can exhibit improved discharge capacity and cycle characteristics because both the cathode and the composite solid electrolyte layer contain a conductive polymer, a lithium salt and an inorganic ceramic solid electrolyte.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: January 5, 2021
    Assignee: Korea Institute of Industrial Technology
    Inventors: Ho Sung Kim, Min-Young Kim, Seung Hoon Yang, Da-Hye Kim, Kyeong Joon Kim, Seung Woo Choi, Jinsub Lim, Duck Rye Chang
  • Patent number: 10884056
    Abstract: Provided is a method of operating a system-on-chip (SoC) including a plurality of CPUs. The method includes: receiving a debug request by a first CPU of the CPUs; outputting a first signal to the CPUs by the first CPU in response to the debug request; selecting a second CPU from the CPUs to control the debugging based on the first signal; and performing a debug operation by selecting a debug target block by the second CPU.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: January 5, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-sung Kim, Chang-ki Kim, Byeong-jin Kim
  • Patent number: 10851856
    Abstract: A clutch control apparatus includes: a judder extractor for extracting a judder component based on a speed of a transmission input shaft; an anti-judder signal generator for generating a basic control signal, which is a reverse phase signal to the judder component, based on the judder component extracted by the judder extractor; a signal separator for separating an amplitude and a phase of the basic control signal received from the anti-judder signal generator; and a signal post-processing device for respectively adjusting the amplitude and the phase output from the signal separator and then combining the same together to output anti-judder torque.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: December 1, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, INCHEON NATIONAL UNIVERSITY RESEARCH and BUSINESS FOUNDATION
    Inventors: Sung Yeol Kim, Seung Min Lee, Seok Young Shin, Jang Won Lee, Ho Sung Kim, Young Sup Lee
  • Patent number: 10818968
    Abstract: A method of preparing a gallium-doped LLZO solid electrolyte includes (a) preparing a solid electrolyte precursor slurry by subjecting a mixed solution comprising a metal aqueous solution including lanthanum (La), zirconium (Zr) and gallium (Ga), a complexing agent and a pH controller to coprecipitation; (b) preparing a solid electrolyte precursor by washing and drying the solid electrolyte precursor slurry; (c) preparing a mixture by mixing the solid electrolyte precursor with a lithium source; (d) preparing a gallium-doped LLZO solid electrolyte represented by Chemical Formula 1 below by calcining the mixture at 600 to 1,000° C.; and (e) thereafter sintering the solid electrolyte represented by Chemical Formula 1 at 1,000 to 1,300° C. By adjusting amounts of starting materials and controlling flow rates of supplied materials, a high-precision cubic structure with improved sintering properties is obtained and ionic conductivity of the solid electrolyte is increased.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: October 27, 2020
    Assignee: Korea Institute of Industrial Technology
    Inventors: Ho Sung Kim, Seung Hoon Yang, Min-young Kim, Ha Young Jung, Da Hye Kim
  • Patent number: 10637095
    Abstract: Disclosed is a method of preparing a solid electrolyte, which includes (a) preparing a solid electrolyte precursor slurry by subjecting a mixed solution including a metal precursor solution, containing a lanthanum precursor, a zirconium precursor and an aluminum precursor, a complexing agent, and a pH controller to coprecipitation, (b) preparing a solid electrolyte precursor by washing and drying the solid electrolyte precursor slurry, (c) preparing a mixture by mixing the solid electrolyte precursor with a lithium source, and (d) preparing an aluminum-doped lithium lanthanum zirconium oxide (LLZO) solid electrolyte by calcining the mixture, and which is also capable of adjusting the aluminum content of a starting material to thus control sintering properties and of adjusting the composition of a precursor and a lithium source to thus control the crystal structure, thereby improving the ionic conductivity of the solid electrolyte.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: April 28, 2020
    Assignee: TDL CO., LTD.
    Inventors: Ho Sung Kim, Min-young Kim, Seung Hoon Yang, Jinsub Lim, Duck Rye Chang, Jong Ho Lee
  • Patent number: 10629916
    Abstract: Disclosed is a method of manufacturing a bipolar plate for a redox flow battery. The method includes (a) mixing epoxy, a curing agent, and a conductive filler to manufacture a mixture, and (b) manufacturing the bipolar plate including a conductive filler composite manufactured by compression-molding the mixture.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: April 21, 2020
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Ho Sung Kim, Min Young Kim, Byeong Su Kang, Sun Woo Yang, Hee Sook Noh
  • Patent number: 10539616
    Abstract: A scan data control apparatus includes a trigger circuit, a scan sequencer, a shift register, and a transmitter. The trigger circuit is configured to receive a trigger signal, detect a malfunction of a system and output a scan mode start signal and a scan mode end signal. The scan sequencer is configured to output scan enable signals corresponding to a CPU and a master to the CPU and the master. The shift register is configured to receive scan data of the CPU and the master from the CPU and the master. The transmitter is configured to receive the scan data of the CPU and the master and output the scan data to a memory.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: January 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyoung-Heon Jeong, Ho-Sung Kim, Sung-Jae Lee
  • Patent number: 10468547
    Abstract: Disclosed are a silicon wafer having a complex structure, a method of fabricating the same, and a solar cell using the same, wherein the silicon wafer is configured such that an oriented silicon wafer has a pyramid pattern formed through wet etching and additionally has nanowires formed in the direction in which silicon crystals are oriented on the pyramid pattern, and is further doped with POCl3.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 5, 2019
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Chae Hwan Jeong, Jong Hwan Lee, Ho Sung Kim, Chang Heon Kim
  • Publication number: 20190273283
    Abstract: Disclosed is a method of preparing a solid electrolyte, the method including (a) preparing a solid electrolyte precursor by subjecting a mixed solution composed of a lanthanum precursor, a zirconium precursor, a gallium precursor, a complexing agent, and a pH adjuster to coprecipitation, (b) washing and drying the solid electrolyte precursor, (c) preparing a mixture by mixing the washed and dried solid electrolyte precursor with a lithium source, and (d) calcining the mixture to give a calcined solid electrolyte, which is a gallium (Ga)-doped lithium lanthanum zirconium oxide (LLZO), as represented by Chemical Formula 1. A solid electrolyte having increased ionic conductivity and an improved potential window can be provided using the method of preparing the solid electrolyte.
    Type: Application
    Filed: October 27, 2017
    Publication date: September 5, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Ho Sung KIM, Min Young KIM, Seung Hoon YANG, Da Hye KIM, Hye Min RYU, Ha Young JUNG
  • Patent number: 10373559
    Abstract: An organic light-emitting device and an organic light-emitting display device using the same are discussed. In a structure in which emission layers that emit light having the same color are provided in a plurality of stacks, the emission layers have different properties such that the light emission efficiencies of the stacks are made uniform, whereby the lifespan of the organic light-emitting device is increased through charge balance.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: August 6, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seok-Hyun Kim, Eun-Jung Park, Ho-Sung Kim
  • Patent number: 10297643
    Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate in which at least three pixel areas are defined, a first electrode and a hole transporting layer formed on the substrate, a light-emitting material layer formed on the hole transporting layer in each of the pixel areas, and an electron transporting layer and a second electrode formed on the light-emitting material layer. An optical assistant transporting layer is formed on the light-emitting material layer at a position corresponding to one of the pixel areas, and formed of an electron transporting material. Accordingly, provided can be a high-resolution organic light emitting display device that solves an imbalance of electric charges and has an excellent light output efficiency and an enhanced service life.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: May 21, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
  • Publication number: 20190148771
    Abstract: The method for manufacturing a solid electrolyte using an LLZ material for a lithium-ion battery comprises the steps of: providing a starting material in which lanthanum nitrate [La(NO3)3.6H2O] and zirconium nitrate [ZrO(NO3)2.6H2O] are mixed at a mole ratio of 3:2; forming an aqueous solution by dissolving the starting material; forming a precipitate by putting ammonia, which is a complex agent, and sodium hydroxide, which adjusts the pH of a reactor, into the aqueous solution, mixing the same, and then co-precipitating the mixture; forming a primary precursor powder by cleaning, drying and pulverizing the precipitate; forming a secondary precursor powder by mixing lithium powder [LiOH.H2O] with the primary precursor powder and ball-milling the mixture so as to solidify the lithium; and forming a solid electrolyte powder by heat-treating the secondary precursor powder.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Inventors: Ho Sung KIM, Tae Won KIM, Duck Rye CHANG, Jong Ho LEE, Kyeong Wan KIM, Min Young KIM
  • Patent number: 10263045
    Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate in which at least three pixel areas are defined, a first electrode and a hole transporting layer formed on the substrate, a light-emitting material layer formed on the hole transporting layer in each of the pixel areas, and an electron transporting layer and a second electrode formed on the light-emitting material layer. An optical assistant transporting layer is formed on the light-emitting material layer at a position corresponding to one of the pixel areas, and formed of an electron transporting material. Accordingly, provided can be a high-resolution organic light emitting display device that solves an imbalance of electric charges and has an excellent light output efficiency and an enhanced service life.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: April 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
  • Publication number: 20190051934
    Abstract: The present invention relates to an all-solid-state lithium secondary battery and a method of manufacturing the same. The all-solid-state lithium secondary battery includes a cathode, an anode, and a composite solid electrolyte layer between the cathode and the anode, wherein first and second LLZOs contained respectively in the cathode and the composite solid electrolyte layer are each independently aluminum-doped or undoped LLZO, and the battery of the invention can exhibit improved discharge capacity and cycle characteristics because both the cathode and the composite solid electrolyte layer contain a conductive polymer, a lithium salt and an inorganic ceramic solid electrolyte.
    Type: Application
    Filed: November 15, 2016
    Publication date: February 14, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Ho Sung KIM, Min-Young Kim, Seung Hoon YANG, Da-Hye KIM, Kyeong Joon KIM, Seung Woo CHOI, Jinsub LIM, Duck Rye CHANG
  • Publication number: 20190036159
    Abstract: Disclosed is a gallium (Ga)-doped LLZO solid electrolyte represented by Chemical Formula 1 below, a method of preparing the same, and an all-solid-state lithium secondary battery including the same. In the solid electrolyte according to the present invention and the preparation method thereof, the amounts of gallium and lithium of starting materials are adjusted and the flow rate of materials to be supplied is controlled, thus forming a high-precision cubic structure and improving sintering properties, thereby increasing the ionic conductivity of the solid electrolyte. The lithium secondary battery including the solid electrolyte can exhibit superior charge/discharge characteristics and cycle characteristics.
    Type: Application
    Filed: July 27, 2018
    Publication date: January 31, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Ho Sung KIM, Seung Hoon YANG, Min-young KIM, Ha Young JUNG, Da Hye KIM
  • Patent number: 10184533
    Abstract: The present disclosure provides a control method for a vehicle with a DCT, the method including: a diagnosing step of disengaging a corresponding clutch and limiting engine torque to suppress an increase in engine RPM when a controller detects an error from a hall sensor signal, and then applying a test pulse for diagnosing the hall sensor; a reset attempting step of attempting to reset the clutch to an initial position when the controller determines that the hall sensor signal is normal after the diagnosing step; and a returning step of starting normal control of the clutch from the initial position to a target clutch stroke by means of the controller and of removing the limiting of the engine torque, when the clutch is reset to the initial position in the reset attempting step.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: January 22, 2019
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Sung Hyun Cho, Ho Sung Kim, Young Min Yoon, Seong Hwan Cheong
  • Publication number: 20180309163
    Abstract: Disclosed is a bipolar all solid-state battery, which can efficiently control a manufacturing process thereof and can improve electric properties thereof. In an exemplary embodiment, the bipolar all solid-state battery includes a unit cell including a first current collector having a first surface and a second surface opposite to the first surface; a first active material coated on the first surface of the first current collector, a second current collector having a first surface and a second surface opposite to the first surface; a second active material coated on the first surface of the second current collector and facing the first active material; and an all solid-state electrolyte formed between the first active material and the second active material. When a plurality of the unit cells are stacked, the first current collector and the second current collector are connected to each other through surface contact.
    Type: Application
    Filed: February 5, 2018
    Publication date: October 25, 2018
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Ho Sung KIM, Min Young KIM, Seung Hoon YANG, Da Hye KIM, Ha Young JUNG, Hye Min RYU, Jin Sub LIM