Patents by Inventor Hyeok Lee

Hyeok 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).

  • Publication number: 20240171577
    Abstract: Access of a home network terminal to a work server in a telecommuting environment is effectively managed to maintain security of the terminal. According to one embodiment of the present invention, a method for controlling access to a remote system in a home network environment includes: an access request reception step of receiving a request signal according to a network protocol when an access request for a remote server, which is an access target, is performed by a terminal on a home network; a security environment inspection step of checking the security environment of the terminal through a host sensor for each protocol that has received the request signal through the access request reception step; and an access permission step of managing access to the remote server according to the security environment checked according to a result of performing the security environment inspection step.
    Type: Application
    Filed: June 19, 2023
    Publication date: May 23, 2024
    Inventors: Ki Uk LEE, Se Yun KIM, Jae Hyeok PARK
  • Publication number: 20240171866
    Abstract: An image processing device includes a memory for storing reference color ratios and crosstalk values of each of light source images acquired by sensing light sources having different wavelengths. The image processing device also includes a processor for receiving an image including a plurality of regions each including outer pixel values and inner pixel values of the same color, and correcting the outer pixel values or the inner pixel values by using difference values between the respective reference color ratios and a color ratio of the image as weights of the crosstalk values.
    Type: Application
    Filed: April 10, 2023
    Publication date: May 23, 2024
    Applicant: SK hynix Inc.
    Inventors: Jun Hyeok CHOI, Dae Hyun LEE
  • Publication number: 20240170722
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are described herein. Specifically, the non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent and a compound represented by Formula 1 to form a robust SEI film, thereby improving battery performance: Wherein R1 to R3 are described herein.
    Type: Application
    Filed: October 6, 2022
    Publication date: May 23, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jun Hyeok Han, Kyoung Ho Ahn, Won Kyung Shin, Chul Haeng Lee, Won Tae Lee, Su Hyeon Ji, Young Ho Oh, You Kyeong Jeong
  • Publication number: 20240170172
    Abstract: The present invention relates to a method of solidifying radioactive waste containing boron, The method includes (a) mixing the radioactive waste, metakaolin, fumed silica, potassium hydroxide, and water to generate a second mixture, in which the radioactive waste contains boron.
    Type: Application
    Filed: June 30, 2021
    Publication date: May 23, 2024
    Inventors: Byoung Kwan KIM, Woo Yong UM, Jae Hyuk KANG, Ju Hyeok LEE
  • Publication number: 20240170650
    Abstract: A negative active material for a rechargeable lithium battery, having a silicon-carbon composite in which crystalline carbon, silicon particles, and amorphous carbon are agglomerated, and single-walled carbon nanotubes are coated on the silicon-carbon composite, to ameliorate the negative effects caused by the expansion and contraction of the volume of a silicon-based negative active material during charging and discharging.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 23, 2024
    Inventors: Sunil PARK, Young-Min KIM, Youngugk KIM, Changsu SHIN, Doori OH, Jongmin WON, Dae-Hyeok LEE, Sungwon JUNG
  • Publication number: 20240168372
    Abstract: A method and apparatus for estimating a resist image (RI) are disclosed. The method includes obtaining an aerial image (AI) and a first RI from a mask image (MI), obtaining a second RI from the AI, and obtaining a third RI based on the first RI and the second RI.
    Type: Application
    Filed: November 23, 2023
    Publication date: May 23, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Deokyoung KANG, Youngchul KWAK, Serim RYOU, Seong-Jin PARK, Seon Min RHEE, Jaewon YANG, Eunju KIM, Hyeok LEE
  • Publication number: 20240168096
    Abstract: The present invention provides an apparatus and a method for evaluating performance of a battery and equipment for transporting the battery. The battery performance evaluation apparatus of the present invention includes: a temperature measurement unit for measuring an aging temperature of the battery; a voltage measurement unit for measuring a first open circuit voltage of the battery at the start of aging and measuring a second open circuit voltage of the battery at the end of aging; and a processor for calculating a delta voltage of a voltage drop using a difference between the first open circuit voltage and the second open circuit voltage measured by the voltage measurement unit, and determining normal or defective of the battery based on the delta voltage calculated using the aging temperature measured by the temperature measurement unit and an aging period between measurement times of the first and second open circuit voltage.
    Type: Application
    Filed: June 15, 2023
    Publication date: May 23, 2024
    Inventors: Chang Mook HWANG, Na Eun GIL, Hyun Ji KIM, Jong Hyeok LEE, Yoon Ji JO
  • Publication number: 20240169071
    Abstract: A device risk-based trusted device verification and remote access processing includes: an inspection process start unit for starting a risk inspection process based on risk inspection information set in a device management server; a risk score calculation unit for performing a vulnerability check process and an additional check process corresponding to inspection items based on the risk inspection information to calculate a risk score for the user device through the check result; a trusted device confirmation unit, when a function of the risk score calculation unit is completely performed and the risk score is completely calculated, for transmitting the calculated risk score to the device management server, thereby allowing the device management server to determine whether the user device is a trusted device; and an access monitoring unit for monitoring data transmission and reception in real time between the user device and the business server upon remote access.
    Type: Application
    Filed: June 19, 2023
    Publication date: May 23, 2024
    Inventors: Ki Uk LEE, Jong Hwa LEE, Jae Hyeok PARK
  • Patent number: 11987740
    Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be highly selectively etched as compared with a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: May 21, 2024
    Assignee: ENF Technology Co., Ltd.
    Inventors: Dong Hyun Kim, Hyeon Woo Park, Sung Jun Hong, Myung Ho Lee, Myung Geun Song, Hoon Sik Kim, Jae Jung Ko, Myong Euy Lee, Jun Hyeok Hwang
  • Publication number: 20240159466
    Abstract: A heat treatment apparatus includes a furnace body, a roller inside the furnace body, a heater inside the furnace body, an upper and lower discharge pipes on the furnace body, and a lower supply pipe on the lower part of the furnace body. The furnace body includes areas having the upper and lower discharge pipes, the areas including a first area to an Nth area disposed sequentially along a second direction being a transport direction of each of the materials, a length of the first area in the second direction is shorter than lengths of the second area to the Nth area in the second direction, and in each of the first area to the Nth area, the upper discharge pipe and the lower supply pipe are not arranged in a straight line in a third direction being a height direction to be misaligned from each other.
    Type: Application
    Filed: August 17, 2023
    Publication date: May 16, 2024
    Inventors: Dong Ho HAN, Shin Ho LEE, Jin Hyeok LEE, Young Jin LIM, Tae Ho KANG, Sung Min KWON
  • Publication number: 20240163278
    Abstract: Disclosed is a user authentication-based packet classification method and apparatus for providing differentiated security services in a ship network. A user authentication-based packet classification method includes receiving an authorization code request message from a user terminal including a client, authenticating and authorizing a user of the client based on the authorization code request message, transmitting an authorization code response message to the user terminal in response to the authorization code request message, receiving an access token request message from the user terminal based on the authorization code response message, and transmitting an access token response message including an access token to the user terminal in response to the access token request message.
    Type: Application
    Filed: August 7, 2023
    Publication date: May 16, 2024
    Inventors: Jin Hyeok OH, Keon YUN, Sun Woo YUN, Sang Min LEE, Myong Cheol LIM, Sang Gyoo SIM, Tae Gyun KIM
  • Publication number: 20240157614
    Abstract: Proposed are an apparatus and a method for expanded polypropylene (EPP) molding. The apparatus for EPP molding includes an upper mold, a lower mold forming a cavity, which is a space for manufacturing a molded product, together with the upper mold, a skin holding means provided at the upper mold or the lower mold, an insert holding means provided at one of the upper mold and the lower mold where the skin holding means is not provided, a resin supply means supplying a polypropylene resin to the cavity, a heating means applying heat to the polypropylene resin supplied to the cavity, and a mold driving means moving the upper mold and the lower mold in directions towards or away from each other.
    Type: Application
    Filed: October 24, 2023
    Publication date: May 16, 2024
    Inventors: Chi Won YOON, Hyeok LEE
  • Publication number: 20240154165
    Abstract: An electrolyte additive comprising a compound represented by Formula 1 below forms a coating film on an electrode surface in the activation of a secondary battery, thereby the generation of a large amount of gas under a high temperature condition can be prevented, and a cell OCV drop and a decrease in capacity retention rate, which are caused by elution of metal ions from an electrode, can be effectively prevented, resulting in effective improvement in durability, performance and high-temperature safety of the battery, wherein R1, R2, and M are described herein.
    Type: Application
    Filed: October 21, 2022
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: You Kyeong Jeong, Kyoung Ho Ahn, Jun Hyeok Han, Won Kyung Shin, Won Tae Lee, Su Hyeon Ji, Young Ho Oh
  • Publication number: 20240154093
    Abstract: Provided is a lithium secondary battery including a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material comprising lithium iron phosphate particles, and the positive electrode has a loading amount of 450 mg/25 cm2 to 740 mg/25 cm2, and the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the organic solvent includes ethylene carbonate, and dimethyl carbonate, and the dimethyl carbonate is included in 5 vol % to 75 vol % in the organic solvent, and the additive contains vinylene carbonate, and the weight ratio of the vinylene carbonate to the dimethyl carbonate is greater than 0 to 0.2 or less.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jun Hyeok Han, Chul Haeng Lee, Kyoung Ho Ahn, Young Ho Oh, You Kyeong Jeong, Yoon Seok Ko
  • Patent number: 11978854
    Abstract: The present invention relates to a composition for a polymer electrolyte which includes a polymerizable oligomer capable of forming an excellent crosslink during a polymerization reaction. Also, the present invention relates to a polymer electrolyte, which may ensure high oxidation stability and ionic conductivity by using the composition for a polymer electrolyte, and a lithium secondary battery including the same.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: May 7, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Kyoung Ho Ahn, Sol Ji Park, Jun Hyeok Han, Chul Haeng Lee, Jung Hoon Lee
  • Patent number: 11978911
    Abstract: The present invention relates to a three-dimensional structure electrode, a method for manufacturing same, and an electrochemical element including the electrode. The present invention is characterized by comprising: (a) an upper conductive layer and a lower conductive layer which have a structure constituting an assembly within which a conductive material and a porous nonwoven fabric including a plurality of polymeric fibers are three-dimensionally connected in an irregular and continuous manner, thereby forming a mutually connected porous structure; and (b) an active material layer forming the same assembly structure as the conductive layers and forming a three-dimensionally filled structure in which electrode active material particles are uniformly filled inside the mutually connected porous structure formed in the assembly structure, wherein the active material layer is formed between the upper conductive layer and the lower conductive layer.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: May 7, 2024
    Assignees: UNIST (Ulsan National Institute of Science and Technology), LG Energy Solution, Ltd.
    Inventors: In Sung Uhm, Sang Young Lee, Yo Han Kwon, Ju Myung Kim, Joon Won Lim, Jae Hyun Lee, Je Young Kim, Seong Hyeok Kim
  • Publication number: 20240145862
    Abstract: Provided are a separator for a secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, having appropriate porosity and an appropriate pore size to lead to excellent strength and safety, and having excellent ion conductivity and resistance characteristics due to interconnected pore passages. The manufacturing method of a separator for a secondary battery includes: molding a separator manufacturing composition into a separator manufacturing sheet; and extracting a diluent from the separator manufacturing sheet with a polar aprotic organic solvent.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Inventors: Chang Mook HWANG, Hyun Ji KIM, Jong Hyeok LEE, Yoon Ji JO
  • Publication number: 20240143611
    Abstract: A deep learning framework application database server includes: an input/output unit configured to receive an inference query from a user; a storage unit serving as a database and comprising a previously learned first learning model table and an inference dataset table associated with the inference query; and a framework unit configured to interwork with the database and perform deep learning for the inference query using the first learning model table and the inference dataset table.
    Type: Application
    Filed: November 4, 2021
    Publication date: May 2, 2024
    Applicant: KOREA PLATFORM SERVICE TECHNOLOGY
    Inventor: Jun Hyeok LEE
  • Publication number: 20240145683
    Abstract: A positive electrode active material including a lithium nickel-based composite oxide including secondary particles formed by aggregation of one or more primary particles, wherein a part of cations and a part of anions in the lithium nickel-based composite oxide are substituted, respectively, with cations M? and fluorine anions (F?) in a fluorine-based compound.
    Type: Application
    Filed: May 22, 2023
    Publication date: May 2, 2024
    Inventors: Kyu Suk HAN, Jin Hyeok CHOI, Jae Hoon SHIN, Seul Gi LEE
  • Publication number: 20240145872
    Abstract: Provided are a separator for a secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, having appropriate porosity and an appropriate pore size to lead to excellent strength and safety, and having excellent ion conductivity and resistance characteristics due to interconnected pore passages. In the separator for a secondary battery, an RS value represented by Equation 1 below is greater than 5 and less than 10: R S = P D × G ? Equation ? 1 ? wherein in Equation 1, RS denotes a separator performance index, P denotes an average porosity value (%) of the separator, D denotes an average pore diameter value (?m) of the separator, and G denotes an air permeability value (sec/100 cc) of the separator.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Inventors: Chang Mook HWANG, Hyun Ji KIM, Jong Hyeok LEE, Yoon Ji JO