Patents by Inventor Hyoung JUN
Hyoung JUN 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).
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Patent number: 11975991Abstract: A neutralization/water separation device for an esterified product including: a neutralization tank in which a crude product mixture containing alcohol and an ester compound, a neutralizing agent, and water are put to produce a neutralized mixture; a water separation tank disposed below the neutralization tank to divide the neutralization mixture into a floating layer and an aqueous layer; a partition wall extending downward from a ceiling of the water separation tank to provide a lower passage in the water separation tank; and a transfer line that transfers the neutralized mixture from the neutralization tank to the water separation tank, where the water separation tank includes: a first water separation part into which the neutralized mixture is introduced from the neutralization tank through the transfer line; and a second water separation part into which the neutralized mixture is introduced from the first water separation part through the lower passage, where the first water separation part and the seconType: GrantFiled: July 1, 2020Date of Patent: May 7, 2024Assignee: LG Chem, Ltd.Inventors: Yeon Uk Choo, Sung Kyu Lee, Hyun Kyu Kim, Chan Hyu Jin, Hyoung Jun, Jin Sung Park
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Patent number: 11976975Abstract: Provided is an optical system which may acquire a hyperspectral image by acquiring a spectral image of an object to be measured, which includes, to collect spectral data and train the neural network, an image forming part forming an image from an object to be measured and transmitting collimated light, a slit moving to scan the incident image and passing and outputting a part of the formed image, and a first optical part obtaining spectral data by splitting light of the image received through the slit by wavelength. Also, the system includes, to decompose overlapped spectral data and to infer hyperspectral image data through the trained neural network, an image forming part forming an image from an object to be measured and transmitting collimated light, and a first optical part obtaining spectral data by splitting light of the received image by wavelength.Type: GrantFiled: January 7, 2022Date of Patent: May 7, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Keo Sik Kim, Kye Eun Kim, Jeong Eun Kim, Hyun Seo Kang, Hyun Jin Kim, Gi Hyeon Min, Si Woong Park, Hyoung Jun Park, Chan Il Yeo, Young Soon Heo
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Publication number: 20240145019Abstract: A power source switching circuit for a memory device includes: a first power source voltage terminal for supplying a first power source voltage, a second power source voltage terminal for supplying a second power source voltage, a first metal-oxide-semiconductor field-effect transistor (MOSFET) and a second MOSFET connected in series with the first power source voltage terminal, a first level shifter connected to the first MOSFET and supplied with the first power source voltage, a second level shifter connected to the second MOSFET and supplied with the second power source voltage, a third MOSFET connected to the second MOSFET, and a third level shifter connected to the third MOSFET and supplied with a third power source voltage, and a memory cell of a non-volatile memory is programmed using the first power source voltage or the second power source voltage.Type: ApplicationFiled: June 7, 2023Publication date: May 2, 2024Applicant: Magnachip Semiconductor, Ltd.Inventors: Hyoung Kyu KIM, Il Jun KIM, Kwon Young OH, Sang Ho LEE
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Publication number: 20240136844Abstract: Disclosed is an apparatus and method for controlling step charging of a secondary battery. A charging control unit determines a SOC, an OCV and a polarization voltage of the secondary battery, determines an OCV deviation corresponding to a difference between the OCV and a predefined minimum OCV value, determines a correction factor corresponding to the polarization voltage and the OCV deviation, determines a look-up SOC by correcting the SOC according to the correction factor, determines the magnitude of a charging current corresponding to the look-up SOC, and provides the determined charging current to a charging device.Type: ApplicationFiled: December 5, 2023Publication date: April 25, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jin-Hyung LIM, Young-Jin KIM, Gi-Min NAM, Hyoung Jun AHN, Kyu-Chul LEE, Won-Tae JOE
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Publication number: 20240100629Abstract: The present disclosure discloses a substrate heat-treating apparatus including a process chamber in which a flat substrate to be heat treated is placed, the process chamber comprising a beam transmitting plate placed below the flat substrate and an infrared transmitting plate placed above the flat substrate; a beam irradiating module for irradiating a VCSEL beam having a single wavelength to a lower surface of the flat substrate through the beam transmitting plate; and an temperature measuring module configured to measure the laser beam reflected from the lower surface or an upper surface the flat substrate, thereby measuring the temperature of the flat substrate.Type: ApplicationFiled: December 29, 2021Publication date: March 28, 2024Inventors: Hyoung June Kim, Byung Kuk Kim, Wang Jun Park, Tae Hyeong Kim, Ju Mi Lee, Byeong Gyu Jeong
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Patent number: 11936233Abstract: A charging control apparatus measures a first temperature of a first secondary battery selected from the plurality of secondary batteries, a second temperature of a coolant flowing into the cooling device, a charging current of the secondary battery pack, a first terminal voltage of the first secondary battery and a second terminal voltage of a second secondary battery closest to the cooling device, estimates a temperature of a temperature estimation point of the second secondary battery from a lumped thermal model having a thermal resistance between two points selected from the temperature estimation point of the second secondary battery, the first temperature measurement point and the second temperature measurement point, and measurement data about temperature, current and voltage, and determines the estimated temperature as a minimum temperature of the secondary battery pack, and varies a charging power provided to the secondary battery pack according to the minimum temperature.Type: GrantFiled: December 4, 2019Date of Patent: March 19, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Jin-Hyung Lim, Gi-Min Nam, Kyu-Chul Lee, Hyoung Jun Ahn, Won-Tae Joe
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Patent number: 11920043Abstract: The present invention relates to a method of manufacturing non-sintered liquid metal ink, and more particularly, to a method of manufacturing liquid metal ink manufactured without a sintering process. The method of manufacturing liquid metal ink according to an embodiment of the present invention includes: (a) inputting a solvent into liquid metal in a container at room temperature; (b) performing oxide film-removing treatment on the liquid metal of step (a); and (c) dispersing the liquid metal that has undergone step (b) in a form of nanoparticles through ultrasonic treatment.Type: GrantFiled: December 24, 2021Date of Patent: March 5, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyoung Soo Kim, Kwang Seok Park, Jeong Su Pyeon, Hye Jun Jeon
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Publication number: 20240071788Abstract: The present disclosure discloses a flat substrate heating apparatus including a module support plate having a plurality of unit module regions placed on an upper surface thereof; a plurality of laser light source modules having a plurality of laser light source devices and seated on unit module regions of the module support plate, respectively; a power supply board placed below the module support plate and configured to supply power to the laser light source module; and an electrode terminal electrically connecting the laser light source module and the power supply board while detachably securing them to upper and lower surfaces of the module support plate.Type: ApplicationFiled: December 30, 2021Publication date: February 29, 2024Inventors: Hyoung June Kim, Byung Kuk Kim, Wang Jun Park, Jin Hong Lee, Nam Chun Lee
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Publication number: 20240071787Abstract: The present disclosure discloses a substrate heat-treating apparatus including a process chamber in which a flat substrate to be heat treated is placed, the process chamber comprising a beam transmitting plate placed below the flat substrate and an infrared transmitting plate placed above the flat substrate; a beam irradiating module for irradiating a VCSEL beam having a single wavelength to a lower surface of the flat substrate through the beam transmitting plate; and an emissivity measuring configured to measure the laser beam reflected from the lower surface or an upper surface the flat substrate, thereby measuring the emissivity of the flat substrate.Type: ApplicationFiled: December 27, 2021Publication date: February 29, 2024Inventors: Hyoung June Kim, Byung Kuk Kim, Wang Jun Park, Oh Sung Kwon, Tae Hyeong Kim, Byeong Gyu Jeong
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Publication number: 20240071786Abstract: The present disclosure provides substrate heat-treating apparatus including a process chamber in which a flat substrate to be heat treated is placed, the process chamber comprising a beam irradiating plate placed below the flat substrate and an infrared transmitting plate placed above the flat substrate; a beam irradiating module for irradiating a laser beam to a lower surface of the flat substrate through the beam irradiating plate; and a gas circulation cooling module for spraying a cooling gas to an upper surface of the infrared transmitting plate, thereby cooling the infrared transmitting plate.Type: ApplicationFiled: December 23, 2021Publication date: February 29, 2024Inventors: Hyoung June Kim, Byung Kuk Kim, Wang Jun Park, Oh Sung Kwon, Jin Hong Lee, Nam Chun Lee
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Patent number: 11876397Abstract: Disclosed is an apparatus and method for controlling step charging of a secondary battery. A charging control unit determines a SOC, an OCV and a polarization voltage of the secondary battery, determines an OCV deviation corresponding to a difference between the OCV and a predefined minimum OCV value, determines a correction factor corresponding to the polarization voltage and the OCV deviation, determines a look-up SOC by correcting the SOC according to the correction factor, determines the magnitude of a charging current corresponding to the look-up SOC, and provides the determined charging current to a charging device.Type: GrantFiled: October 30, 2019Date of Patent: January 16, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Jin-Hyung Lim, Young-Jin Kim, Gi-Min Nam, Hyoung Jun Ahn, Kyu-Chul Lee, Won-Tae Joe
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Patent number: 11840510Abstract: The present disclosure relates to a manufacturing system and a manufacturing method which are capable of continuously manufacturing an ester-based composition, and has a technical feature of being capable of manufacturing an ether-based composition continuously, economically, and efficiently.Type: GrantFiled: July 27, 2021Date of Patent: December 12, 2023Assignee: LG Chem, Ltd.Inventors: Hyun Kyu Kim, Sung Kyu Lee, Hyoung Jun, Chan Hyu Jin, Jeong Ju Moon, Joo Ho Kim
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Patent number: 11794162Abstract: The present disclosure relates to a heat exchange system which is capable of saving energy consumed in a whole process by exchanging heat of different streams from each other, included in a continuous preparation system of a diester-based composition.Type: GrantFiled: July 2, 2020Date of Patent: October 24, 2023Assignee: LG Chem, Ltd.Inventors: Jae Hun Jeong, Sung Kyu Lee, Yeon Uk Choo, Hyoung Jun, Chan Hyu Jin
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Patent number: 11772579Abstract: A dust cover for a steering apparatus of a vehicle includes a first cover coupled to an intermediate shaft in a state in which a bearing member is interposed and fixed to a vehicle body panel. The dust cover also includes a second cover coupled to the intermediate shaft in the state in which the bearing member is interposed and fixed to the vehicle body panel together with the first cover in a state of being bonded to the first cover. A tight contact rib in a long continuous shape along a periphery of the intermediate shaft is formed to protrude from the first cover such that the tight contact rib maintains airtightness between the first cover and the vehicle body panel in a state of being always in a tightly adhered state with the vehicle body panel.Type: GrantFiled: September 18, 2020Date of Patent: October 3, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Hyoung Jun Ahn, Sang Hyun Sim
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Publication number: 20230305066Abstract: Disclosed is an analytic sensitivity expression for parameters of a battery electrochemical model, based on model reduction and reformulation techniques such as the single particle assumption, Padé approximation, and Laplace transform. The analytic expressions of sensitivity are in a compact form with explicit relationship to the current input, which enables the direct optimization of the input-dependent sensitivity. The current optimization with maximum sensitivity may be performed for several critical battery electrochemical parameters, namely a solid-phase lithium diffusion coefficient, a volume fraction of the electrode active material, and a reaction rate constant. The electrochemical parameter may be reliably identified using the optimal current profile.Type: ApplicationFiled: August 4, 2021Publication date: September 28, 2023Applicants: LG ENERGY SOLUTION, LTD., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, A CALIFORNIA CORPORATIONInventors: Geum-Bee KIM, Hyoung Jun AHN, Won-Tae JOE, Qingzhi LAI, Xinfan LIN
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Publication number: 20230278431Abstract: A platform service system and method for integrated battery management. The platform service system collects battery characteristic data of an electric vehicle through a network and accumulatively store the same to be matched with a battery identification code, calculates a current SOH of a battery by analyzing the battery characteristic data and store the same in a SOH history DB to be matched with the battery identification code, inquires the SOH history DB using the battery identification code to determine a current SOH when a reuse grade calculation request is received from a client along with the battery identification code, determines a reuse grade corresponding to the current SOH with reference to predefined reuse grade information for each SOH, and transmits the reuse grade to the client.Type: ApplicationFiled: August 27, 2021Publication date: September 7, 2023Applicant: LG Energy Solution, Ltd.Inventors: Hyun Kim, Chang-Beom Kang, Dong-Myung Kim, Jong-Hyun Kim, Jin-Suk Kim, Hyung-Sik Kim, Jang-Hwan Shin, Hyoung Jun Ahn, Dal-Hoon Lee
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Patent number: 11734253Abstract: Techniques are described for use in database and data management systems to efficiently capture and replicate changes that occur in database tables. The changes are captured in a transaction-consistent order, and in a format that may easily be searched and accessed using common relational queries.Type: GrantFiled: March 22, 2022Date of Patent: August 22, 2023Assignee: SAP SEInventors: Juchang Lee, Chang Gyoo Park, Hyoung Jun Na
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Patent number: 11698300Abstract: Provided are an optical system capable of improving the spatial resolution of hyperspectral imaging and an optical alignment method using the same. The optical system includes a digital micromirror device (DMD) having a rectangular shape, a first cylindrical lens curved to focus and form an image on an axis corresponding to a shorter side of the DMD, and a second cylindrical lens curved in the same axial direction as the axis to collimate light reflected from the DMD.Type: GrantFiled: December 9, 2021Date of Patent: July 11, 2023Assignee: Electronics and Telecommunications Research InstituteInventors: Jeong Eun Kim, Kye Eun Kim, Keo Sik Kim, Hyun Seo Kang, Hyun Jin Kim, Gi Hyeon Min, Si Woong Park, Hyoung Jun Park, Chan Il Yeo, Young Soon Heo
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Patent number: 11685433Abstract: A system for detecting hands-on or off of a steering wheel and a method thereof, include a direct sensor configured for detecting a hands-on sense value depending on a grip area of the steering wheel; an indirect sensor configured for detecting a hands-on sense value depending on a magnitude of a torque for rotating the steering wheel; and a controller connected to the first sensor and the second sensor and combining a direct hands-on sense value detected by the direct sensor and an indirect hands-on sense value detected by the indirect sensor to each other to determine a grip state of the steering wheel depending on a combined hands-on sense condition, and then to display and warn a result of determining the grip state of the steering wheel through an output unit.Type: GrantFiled: September 11, 2019Date of Patent: June 27, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hyoung Jun Ahn, Hong Joo Jung
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Publication number: 20230182575Abstract: A battery service providing system and method, battery service providing system including a battery service server for collecting diagnostic analysis data including operation characteristic information of a battery and driving characteristic information of an electric vehicle from an electric vehicle control device and providing update information of a charging/discharging control logic of the battery according to the degree of degradation determined from the diagnostic analysis data to the electric vehicle control device, determining a residual value or a usage fee of the battery based on the determined degree of degradation, transmitting the usage fee or the residual value of the battery to an external server, or setting a warranty flag for the battery whose charging and discharging is controlled according to the update information of the charging/discharging control logic.Type: ApplicationFiled: June 2, 2021Publication date: June 15, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hyun KIM, Dong-Myung KIM, Jin-Suk KIM, Hyung-Sik KIM, Hyoung Jun AHN