Patents by Inventor Sang-Wook Han

Sang-Wook Han 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).

  • Publication number: 20240170219
    Abstract: A multilayer electronic component includes: a body having a dielectric layer and first and second internal electrodes alternately disposed with each other while having the dielectric layer interposed therebetween in a first direction; and an external electrode including a connection portion and a band portion extending from the connection portion onto first and second surfaces of the body, wherein the external electrode further includes an electrode layer connected to one of the first and second internal electrodes, a resin layer in contact with the first and second surfaces, and a conductive resin layer disposed on the electrode layer and extending to the resin layer, and L1??L1 when L1 indicates a second-directional size of the resin layer in the band portion, and L1? indicates a second-directional size of the conductive resin layer in the band portion.
    Type: Application
    Filed: March 9, 2023
    Publication date: May 23, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byung Woo KANG, Jung Min KIM, Hong Je CHOI, Ji Hye HAN, Hye Jin PARK, Su Yun YUN, Sang Wook LEE
  • Publication number: 20240149377
    Abstract: According to one aspect of the present invention, it is possible to provide a tailor welded blank, a hot press formed part, and a method for manufacturing same, the tailor welded blank having a weld part that can effectively prevent deterioration of properties after hot press forming.
    Type: Application
    Filed: June 8, 2022
    Publication date: May 9, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Sang-Ho Uhm, Chung-Ha Kim Kim, Il-Wook Han
  • Publication number: 20240132375
    Abstract: A positive electrode active material for a lithium secondary battery has secondary micro particles having an average particle size (D50) of 1 to 10 ?m formed by agglomeration of primary macro particles having an average particle size (D50) of 0.5 to 3 ?m and a lithium-M oxide coating layer on all or part of a surface, wherein M is at least one selected from the group consisting of boron, cobalt, manganese and magnesium. The secondary macro particles have an average particle size (D50) of 5 to 20 ?m formed by agglomeration of primary micro particles having a smaller average particle size (D50) than the primary macro particles. The primary macro particles and the primary micro particles are represented by LiaNi1?b?c?dCobMncQdO2+?, wherein 1.0?a?1.5, 0<b<0.2, 0<c<0.2, 0?d?0.1, 0<b+c+d?0.2, ?0.1???1.0, and Q is at least one type of metal selected from the group consisting of Al, Mg, V, Ti and Zr.
    Type: Application
    Filed: January 14, 2022
    Publication date: April 25, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Eun-Sol Lho, Joong-Yeop Do, Kang-Joon Park, Gi-Beom Han, Min Kwak, Sang-Min Park, Dae-Jin Lee, Sang-Wook Lee, Wang-Mo Jung
  • Publication number: 20240113149
    Abstract: Disclosed are a backside illuminated image sensor and a method of manufacturing the same. More particularly, a backside illuminated image sensor and a method of manufacturing the backside illuminated image sensor include a plurality of sequential layers have different refractive indexes to extend a path of incident light passing through a lens, thereby increasing sensitivity.
    Type: Application
    Filed: March 27, 2023
    Publication date: April 4, 2024
    Inventors: Chang Hun HAN, Ju Hwan JUNG, Sang Won YUN, Tae Wook KANG
  • Publication number: 20240101810
    Abstract: The present invention relates to a composition for forming a composite polymer film, a method for preparing the composition for forming a composite polymer film, a composite polymer film and a method for preparing the composite polymer film. The composition for forming a composite polymer film comprises: a fluorine-based polymer solution comprising a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the fluorine-based polymer solution. The method for preparing the composition for forming a composite polymer film comprises the steps of: preparing a fluorine-based polymer solution comprising a fluorine-based polymer; and dispersing polyvinylidene fluoride nanoparticles in the fluorine-based polymer solution. The composite polymer film comprises: a polymer matrix formed from a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the polymer matrix.
    Type: Application
    Filed: September 4, 2020
    Publication date: March 28, 2024
    Applicants: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Eun Ho SOHN, Shin Hong YOOK, Hong Suk KANG, In Joon PARK, Sang Goo LEE, Soo Bok LEE, Won Wook SO, Hyeon Jun HEO, Dong Je HAN, Seon Woo KIM
  • Publication number: 20240105934
    Abstract: A positive electrode active material for a lithium secondary battery has a mixture of microparticles having a predetermined average particle size (D50) and macroparticles having a larger average particle size (D50) than the microparticles. The microparticles have the average particle size (D50) of 1 to 10 ?m and are at least one selected from the group consisting of particles having a carbon material coating layer on all or part of a surface of primary macroparticles having an average particle size (D50) of 1 ?m or more, particles having a carbon material coating layer on all or part of a surface of secondary particles formed by agglomeration of the primary macroparticles, and a mixture thereof. The macroparticles are secondary particles having an average particle size (D50) of 5 to 20 ?m formed by agglomeration of primary microparticles having a smaller average particle size (D50) than the primary macroparticles.
    Type: Application
    Filed: June 9, 2022
    Publication date: March 28, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Gi-Beom Han, Jong-Woo Kim, Eun-Sol Lho, Kang-Joon Park, Min Kwak, Seul-Ki Kim, Hyeong-Il Kim, Sang-Min Park, Sang-Wook Lee, Wang-Mo Jung
  • Patent number: 11942956
    Abstract: Provided is a time-to-digital converter, comprising a phase frequency detector configured to receive a phase-locked loop input clock and a feedback clock, a ring oscillator configured to perform oscillation with multi-phase clocks of a first period, a counter array configured to count the number of oscillations in which the ring oscillator oscillates in a first period by the number of positive integers during the first pulse width, a multiplexer configured to divide the first period into a plurality of zones using edge information of the multi-phase clocks of the ring oscillator, and selects and outputs voltage information of a plurality of neighboring phase clocks included in a first zone from the plurality of zones, an analog-to-digital converter, a calibrator, and a first adder, wherein the calibrator comprises, an offset lookup table generation circuit, a gain-corrected analog-to-digital conversion output generator, and a second adder.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min Seob Lee, Shin Woong Kim, Joon Hee Lee, Sang Wook Han
  • Publication number: 20240097157
    Abstract: A hydrogen supply system for fuel cells and a method of controlling the same include a hydrogen supplier connected to a hydrogen provider and configured to receive hydrogen from the hydrogen provider through a supply valve, a supply line, a discharge line, a discharge valve provided on the hydrogen supplier to discharge by-products, collected in the hydrogen supplier, to the outside thereof, and a controller electrically connected to the supply valve and configured to set a basic duty of the supply valve based on a basic control map, to set a compensation duty of the supply valve depending on feedback control, and to set a final duty of the supply valve through the basic duty and the compensation duty.
    Type: Application
    Filed: April 17, 2023
    Publication date: March 21, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang Wook HAN, Jae Won JUNG
  • Publication number: 20240079529
    Abstract: A light-emitting element includes a first semiconductor layer, a light-emitting layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the light-emitting layer, a device electrode layer disposed on the second semiconductor layer, a reflective electrode layer disposed on the device electrode layer, an insulating film surrounding a side surface of the light-emitting layer, a side surface of the second semiconductor layer, and a side surface of the device electrode layer, and a reflective layer surrounding a side surface of the insulating film, wherein the side surface of the device electrode layer is aligned with a side surface of the reflective electrode layer.
    Type: Application
    Filed: April 10, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hyun HAM, Moon Jung AN, Jin Seok PARK, Hee Keun LEE, Sung Chan JO, Sang Wook HAN
  • Patent number: 11912787
    Abstract: Proposed is a peptide for skin anti-aging and anti-wrinkle, comprising a glycine-histidine-lysine tripeptide and polyarginine linked to the carboxy-terminus of the tripeptide, and a composition for skin anti-aging and anti-wrinkle comprising the peptide. The peptide and composition may enter the cytoplasm more rapidly and efficiently than a conventional GHK tripeptide, and may exhibit skin anti-aging and anti-wrinkle effects similar to those of the GHK tripeptide even at a lower concentration than that of the GHK tripeptide.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: February 27, 2024
    Assignee: DERMAFIRM, INC.
    Inventors: Hoon Cha, Young Il Kwon, Sang Cheol Han, Jin Wook Kim, Mi Young Lee, Ga Hee Hur
  • Publication number: 20230408362
    Abstract: A gas leak detecting method includes a test article preparation operation of preparing a test article that includes a first coupling region, in which a second component is coupled to one side of a first component, and a second coupling region, in which a third component is coupled to one side of the second component, a test article arrangement operation of arranging the test article in an inner space of a body unit, and a sealing inspection operation of examining a gas discharged from the inner space and inspecting whether or not the first coupling region or the second coupling region is sealed. In the test article arrangement operation, each of the first coupling region and the second coupling region is located inside the inner space.
    Type: Application
    Filed: October 10, 2022
    Publication date: December 21, 2023
    Inventors: Dong Sun Lee, Kyo Shik Park, Byung Jick Kim, Sang Wook Han
  • Patent number: 11831046
    Abstract: Disclosed are a system and a method for fuel supply control for a fuel cell. The system includes a fuel supply line, a fuel supply valve, a base duty calculator configured to estimate a required supply amount of a fuel gas required for the fuel supply line on the basis of a power generation state of the fuel cell and to calculate a base duty instruction to open the fuel supply valve on the basis of the estimated required supply amount, and a valve controller.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: November 28, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jae Won Jung, Sang Wook Han
  • Publication number: 20230378397
    Abstract: A light emitting element includes: a light emitting element core including a first semiconductor layer, a light emitting layer on the first semiconductor layer, and a second semiconductor layer on the light emitting layer; and a first element insulating layer surrounding a side surface of the light emitting element core. An outer surface of the first element insulating layer has a first outer surface adjacent to one surface of the first semiconductor layer, the one surface of the first semiconductor layer being opposite to another surface of the first semiconductor layer facing the second semiconductor layer, and a second outer surface farther away from a side surface of the first semiconductor layer than the first outer surface is.
    Type: Application
    Filed: March 29, 2023
    Publication date: November 23, 2023
    Inventors: Hyung Seok KIM, Si Sung KIM, Jong Jin LEE, Dong Gyun KIM, Dong Eon LEE, Hyun Min CHO, Sang Wook HAN
  • Publication number: 20230361306
    Abstract: Disclosed is an anode for a lithium secondary battery, and more particularly, an anode comprising a fibrillated binder and a particulate binder.
    Type: Application
    Filed: December 2, 2022
    Publication date: November 9, 2023
    Inventors: Sang Wook HAN, Geun Ho CHOI, Kyeong Wi PARK, Hyun Jin KIM, Yong Il CHO, Han Nah SONG
  • Publication number: 20230307214
    Abstract: The present invention relates to a method for etching lithium niobate, the method including a process of etching lithium niobate using a mask pattern as a physical dry etching method using Ar plasma produced in a chamber through Ar gas, wherein in the process of etching lithium niobate, a process pressure of the chamber is maintained at 1 mTorr to 20 mTorr, and a method for forming a lithium niobate pattern using the same.
    Type: Application
    Filed: February 27, 2023
    Publication date: September 28, 2023
    Applicants: Korea Institute of Science and Technology, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ho Joong JUNG, Sang Wook HAN, Hyung Jun HEO, Hansuek LEE, Min Kyo SEO, Hyeon HWANG
  • Patent number: 11712931
    Abstract: A tire pressure monitoring device of an electric vehicle includes a wheel speed sensor sensing a speed of each wheel of the electric vehicle, and a controller selectively calculating an intercept value of ?FR and a cumulative average value of the ?FR based on a difference between a torque of a front wheel motor and a torque of a rear wheel motor, calculating an intercept value of ?LR and an intercept value of ?Diag based on the speed of each wheel, and monitoring a tire pressure of each wheel based on the calculated intercept value of the ?FR or the cumulative average value of the ?FR, the calculated intercept value of the ?LR, and the calculated intercept value of the ?Diag.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: August 1, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Han Seon Ga, Sang Wook Han
  • Publication number: 20230238536
    Abstract: Disclosed herein are a method of manufacturing dry binders for electrodes usable in a dry electrode method by using a mixture of polymer powder containing a hydroxyl group (—OH) and polytetrafluoroethylene, and a method of manufacturing dry electrodes including dry binders.
    Type: Application
    Filed: December 7, 2022
    Publication date: July 27, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, CHUNG ANG University industry Academic Cooperation Foundation
    Inventors: Kyeong Wi Park, Han Nah Song, Sang Wook Han, In Ho Nam, Ho Jong Eom, Ji Hyeon Kang
  • Publication number: 20230194953
    Abstract: One aspect of the present disclosure is a method for selective surface functionalization using a single-photon source. The method for selective functionalization using a single-photon source includes: (a) adding a single-photon source to a solution containing a photosensitizer and a monomer; and (b) emitting a single photon from the single-photon source. One aspect of the present disclosure is a selectively functionalized single-photon source prepared by the method.
    Type: Application
    Filed: September 29, 2022
    Publication date: June 22, 2023
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kayoung KIM, Chulki KIM, Jae Hun KIM, Taikjin LEE, Sang Wook HAN, Seungwoo JEON, Yu Kyeong KIM, Young Tae BYUN
  • Publication number: 20230166741
    Abstract: An apparatus for calculating torque of a vehicle for exiting drift driving may include a processor and a non-transitory computer-readable storage medium storing a program which, when executed by the processor, causes: determining a driver's intention to exit drift driving based on an opening degree of an accelerator pedal and a steering angle; and calculating target torque of a front wheel motor based on the opening degree of the accelerator pedal when the driver's intention to exit drift driving is determined.
    Type: Application
    Filed: March 25, 2022
    Publication date: June 1, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Han Seon GA, Sang Wook HAN, Ki Soo PARK, Yong Hwa LEE, Woo Pyeong SEO, Jin Seok SONG, Ho Wook LEE, So Ra JANG
  • Publication number: 20230170505
    Abstract: The present disclosure relates to an apparatus for controlling an operation of a fuel cell system and a method therefor. The present disclosure may include a voltage sensor that measures an output voltage of a fuel cell stack, an air compressor that supplies air to a cathode of the fuel cell stack, a valve driver that adjusts an opening degree of an Airflow Control Valve (ACV), and a controller that, in an idle stop state, drives the air compressor at a lowest level and controls the opening degree of the ACV such that the output voltage of the fuel cell stack maintains a reference range.
    Type: Application
    Filed: July 14, 2022
    Publication date: June 1, 2023
    Inventors: Jae Won Jung, Jae Ho Han, Jae Ok Ha, Dae Jong Kim, Sang Wook Han