Patents by Inventor Sang-Jin Lee
Sang-Jin 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).
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Patent number: 12266519Abstract: A method of manufacturing a CNT paste emitter in accordance with an exemplary embodiment of the present disclosure includes a process of mixing first CNT powder, graphite nanoparticles, SiC nanoparticles, Ni nanoparticles, a dispersant and distilled water and then performing a dispersion process by means of ultrasonication, a process of acquiring second CNT powder by filtering a solution dispersed during the dispersion process, a process of mixing the second CNT powder with a graphite binder and then preparing a CNT paste by means of ball milling, and a process of forming an interface layer on a metal or graphite substrate and then bonding the CNT paste.Type: GrantFiled: June 29, 2022Date of Patent: April 1, 2025Assignee: Korea University Research and Business FoundationInventors: Cheol Jin Lee, Han Bin Go, Sang Heon Lee
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Patent number: 12265068Abstract: A gas detection apparatus for cell module assemblies accurately and rapidly detects a damaged cell of a cell module assembly and the damaged position of the damaged cell. The gas detection apparatus includes a gas detection chamber configured to receive a cell module assembly; and a sliding die configured to be movable to the lower part of the gas detection chamber in the state in which the cell module assembly is disposed at the upper end thereof. The gas detection apparatus further includes a gas sensor provided in the gas detection chamber, the gas sensor including a plurality of gas sensors disposed so as to correspond to positions of cells of the cell module assembly. A gas detection method for cell module assemblies uses the gas detection apparatus for cell module assemblies.Type: GrantFiled: July 29, 2021Date of Patent: April 1, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Young Sung Jung, Sang Jin Lee, Seung Hee Chae
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Patent number: 12265044Abstract: The present invention relates to a method for detecting a void in a concrete composite member covered with a steel plate using a thermal image, and a method for managing the construction of a concrete composite member covered with a steel plate by applying same. According to the present invention, since the presence of the void is determined based on the steel plate surface temperature measured using the thermal image during the construction of the concrete composite member covered with the steel plate, the void generation may be precisely expected.Type: GrantFiled: June 17, 2020Date of Patent: April 1, 2025Assignees: SAMSUNG C & T CORPORATION, KOREA HYDRO & NUCLEAR POWER CO., LTD.Inventors: Kyung Hun Woo, Woo Jin Cho, Jae Bog Lee, Sang Joon Park, Ji Yong Yu, Tae Ha Park, Hyun Il Park, Chang Gook Song, Jhin Woo Shin
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Publication number: 20250104603Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.Type: ApplicationFiled: December 10, 2024Publication date: March 27, 2025Inventors: Jung Hwan HWANG, Hyun Joon KIM, Kye Uk LEE, Sang Jin JEON, Jun Ki JEONG
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Publication number: 20250098736Abstract: The present disclosure provides a cigarette filter including lyocell tow including a bundle of lyocell fibers, a moisturizer, and a binder, a smoking article including the cigarette filter, and a method of producing the cigarette filter.Type: ApplicationFiled: January 17, 2023Publication date: March 27, 2025Applicants: KT & G CORPORATION, KOLON INDUSTRIES, INC.Inventors: Kyengbae MA, Ki Jin AHN, Jin YANG, Bong Su CHEONG, Sunghoon HA, Seung Dong SEO, Jeong Hun LEE, Jong Cheol JEONG, Sang Woo JIN, Yeong Nam HWANG
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Publication number: 20250104984Abstract: A non-transitory machine-readable storage medium includes instructions that, when executed by a processing device, cause the processing device to perform operations. The operations include receiving (i) sensor data indicating a first state of a coating of a processing chamber subsequent to a chamber recovery procedure and (ii) substrate process data indicating a set of process parameter values associated with performing a substrate processing procedure by the processing chamber having the coating in a second state prior to the chamber recovery procedure. The operations further include processing the sensor data and the substrate process data to determine an update to at least one of the set of process parameter values. The operations further include performing a) preparing a notification indicating the update for presentation on a graphical user interface or b) causing the processing chamber to perform a selection of the substrate processing procedure based on the update.Type: ApplicationFiled: December 9, 2024Publication date: March 27, 2025Inventors: Jeong Jin Hong, Sang Hong Kim, Mihyun Jang, Jin Kyeong Lee, Sejune Cheon
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Patent number: 12259636Abstract: A camera module including a first camera module and a second camera module including a second side that faces a first side of the first camera module, wherein the first camera module includes a housing; a bobbin disposed inside the housing; a coil disposed on the bobbin; and a magnet arranged at a side of the housing and facing the coil, wherein the magnet is disposed biased toward a center line of the side of the housing.Type: GrantFiled: September 16, 2021Date of Patent: March 25, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Sung Guk Lee, Seong Min Lee, Sang Jun Min, Tae Jin Jung
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Publication number: 20250096632Abstract: An AFPM motor stator includes a plurality of stator cores in a circular arrangement. Each of the plurality of stator cores is shaped in a tapered shape. The stator also includes a plurality of bobbins each divided to be coupled to an outer side of each of the plurality of stator cores and a plurality of coils each wound along an outer circumferential surface of each of the plurality of bobbins. The stator also includes an inner housing provided in a shape of a hollow cylinder and supporting radially-inner portions of the plurality of bobbins each wound by a coil of the plurality of coils and includes an outer housing surrounding and supporting radially-outer portions of the plurality of bobbins each wound by the coil.Type: ApplicationFiled: September 5, 2024Publication date: March 20, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Dong Hee Lee, Ji Yeon Kim, Sang Jin Park, Sung Gon Byun
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Publication number: 20250098430Abstract: A display panel includes: a base layer; a plurality of light emitting elements arranged on the base layer; a partition wall that is disposed between the light emitting elements and electrically connects electrodes of the light emitting elements; and a plurality of inorganic patterns arranged on the light emitting elements. A recessed part recessed in a direction to the base layer is defined in the partition wall, and each of the plurality of inorganic patterns is disposed on the partition wall and covers one side surface of the partition wall that defines the recessed part.Type: ApplicationFiled: June 6, 2024Publication date: March 20, 2025Inventors: CHONGSUP CHANG, SANG JIN LEE, CHANGSUK LEE, MYOUNGGEUN CHA
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Publication number: 20250090063Abstract: Disclosed are a bladder monitoring method and apparatus based on a multi-channel strain bladder sensor, and a multi-channel strain bladder sensor verification method and apparatus. The multi-channel strain bladder sensor verification method according to an embodiment of the present disclosure may comprise the steps of: controlling expansion and contraction of a measurement object acting as a bladder; acquiring a sensing value from each channel of a bladder sensor attached to the measurement object, according to the control of expansion and contraction of the measurement object; tracking the volume change and expansion direction of the measurement object by analyzing data regarding the change in the sensing value from each channel of the bladder sensor; and verifying the bladder sensor on the basis of whether the volume change and expansion direction of the measurement object are included within the standard range corresponding to the control of expansion and contraction of the measurement object.Type: ApplicationFiled: April 19, 2023Publication date: March 20, 2025Inventors: Sang Hoon LEE, Hee Jae SHIN, Young Jun CHO, Yu Jin JO
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Publication number: 20250092497Abstract: Provided are an ultra-high strength cold-rolled steel sheet whose microstructure has been controlled to have high strength and elongation, and a manufacturing method thereof. In accordance with an embodiment of the present disclosure, the ultra-high strength cold-rolled steel sheet includes: carbon (C): 0.28% to 0.45%; silicon (Si): 1.0% to 2.5%; manganese (Mn): 1.5% to 3.0%; aluminum (Al): 0.01% to 0.05%; chromium (Cr): greater than 0% and 1.0% or less; molybdenum (Mo): greater than 0% and 0.5% or less; a total of niobium (Nb), titanium (Ti) and vanadium (V): greater than 0% and 0.1% or less; phosphorus (P): greater than 0% and 0.03% or less; sulfur (S): greater than 0% and 0.03% or less; and nitrogen (N): greater than 0% and 0.Type: ApplicationFiled: November 27, 2024Publication date: March 20, 2025Inventors: Ro Sa Kim, Hyun Seong Noh, Han Sol Maeng, Ho Yong Um, Gyu Jin Oh, Sang Wook Lee, Seong Kyung Han
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Publication number: 20250093768Abstract: A substrate processing apparatus is provided and includes: a support unit including a spin chuck and a centering jig that is on the spin chuck, the spin chuck configured to support and rotate a substrate; a spraying unit configured to spray processing liquid onto the substrate; a swing arm including a correction unit that includes a sensor and an emitter, the swing arm configured to move such that the correction unit moves to a target point on the substrate, and the emitter configured to irradiate a beam towards the substrate; and a controller configured to: control the spin chuck and the swing arm; and determine whether a movement trajectory of the swing arm is aligned with a rotation center of the spin chuck based on information acquired by the sensor about the centering jig.Type: ApplicationFiled: July 11, 2024Publication date: March 20, 2025Applicants: SEMES CO., LTD., SAMSUNG ELECTRONICS CO. LTD.Inventors: Jin Yeong SUNG, Ki Hoon CHOI, Seung Un OH, Young Ho PARK, Sang Hyeon RYU, Jang Jin LEE, Hyun YOON, Sang Gun LEE, Yu Jin CHO, Ho Jong HWANG, Jong Ju PARK, Jong Keun OH, Yong Woo KIM
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Publication number: 20250095919Abstract: Provided is a multilayer ceramic capacitor and a method of manufacturing the same. The multilayer ceramic capacitor includes a capacitor body including a dielectric layer and an internal electrode layer, and an external electrode disposed outside the capacitor body. The dielectric layer includes barium titanate-based main ingredient including barium (Ba) and titanium (Ti), and gallium (Ga)Peak intensity ratio of Ba/Ga (IBa/IGa), obtained by TEM-EDS analysis of a region from an interface between the dielectric layer and the internal electrode layer to a depth surface of 10 nm to 500 nm into the dielectric layer, is 1.0 to 5.0.Type: ApplicationFiled: December 11, 2023Publication date: March 20, 2025Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Minsoo Kim, Seung Yong Lee, Yonghwa Lee, Sang Jin Park, Jinbok Shin, Youngjoon Oh, Hyunsik Chae, Jihyeon Lee
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Patent number: 12255639Abstract: The present disclosure relates to a field-effect transistor (FET) controlling apparatus and method for accurately, controlling an operation state of a FET by adaptively adjusting a voltage applied to the FET to correspond to a voltage of a source terminal of the FET. The voltage applied to the gate terminal of the FET may be adaptively controlled according to the voltage of the source terminal using a capacitor. Therefore, even when the source terminal is not connected to the ground but connected to an external load, there is an advantage that the operation state of the FET may be smoothly and accurately controlled. In addition, there is an advantage that a voltage within a certain range may be applied to the gate terminal of the FET.Type: GrantFiled: November 26, 2020Date of Patent: March 18, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Yang-Soo An, Sang-Jin Lee
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Patent number: 12255358Abstract: A battery module which uses a flexible printed circuit board (FPCB) to provide a transmission path of information on the voltage or temperature thereof sensed by a bus bar. The battery module may have a smaller size in a height direction compared to a case of using a rigid printed circuit board (RPCB) or a wire instead of the FPCB to provide the transmission path of the information on the voltage or temperature, and may thus have improved energy efficiency per volume.Type: GrantFiled: January 12, 2022Date of Patent: March 18, 2025Assignee: SK ON CO., LTD.Inventors: Eung Ho Lee, Hyeong Kwan Kang, Kwan Yong Kim, Sang Yeon Kim, Dong Jin Shin, Seung Hun Lee
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Patent number: 12255267Abstract: A display device includes a first electrode and a second electrode disposed on a substrate and spaced apart from each other in a first direction. A light emitting element is disposed between the first electrode and the second electrode. A third electrode is disposed on the first electrode and electrically contacts an end portion of the light emitting element. A fourth electrode is disposed on the second electrode and electrically contacts another end portion of the light emitting element. A side of the third electrode and a side of the first electrode are located on a first virtual line substantially perpendicular to the substrate. A side of the fourth electrode facing the side of the third electrode and the side of the second electrode are located on a second virtual line substantially perpendicular to the substrate.Type: GrantFiled: May 4, 2021Date of Patent: March 18, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chong Sup Chang, Cha Dong Kim, Hee Na Kim, In Kyung Yoo, Sang Jin Lee
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Publication number: 20250085511Abstract: An optical imaging system includes a first lens group including a first lens and a second lens, a second lens group including a third lens, a fourth lens, and a fifth lens, and a third lens group including a sixth lens and a seventh lens. The first to seventh lenses are arranged in order from an object side, at least one of the first lens group to the third lens group is moved on an optical axis to change a distance between the first lens group to the third lens group, and the following conditional expression is satisfied: 0.2 < BFL / ( 2 * IMG ? HT ) < 2. where BFL is a distance on the optical axis from an image-side surface of the seventh lens to an imaging surface of an image sensor, and IMG HT is half a diagonal length of the imaging surface of the image sensor.Type: ApplicationFiled: November 20, 2024Publication date: March 13, 2025Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ju Hwa SON, Hyo Jin HWANG, Yong Joo JO, Sang Hyun JANG, Jong Gi LEE
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Publication number: 20250087511Abstract: Provided is a method for determining a center position of a transferred semiconductor part including: disposing at least one pair of component detecting sensors at a transferring path of the semiconductor part; detecting different portions of the semiconductor part by each component detecting sensor; calculating a centering position of the semiconductor part based on the detected different portions; and fixing the semiconductor part at a designated position based on the calculating result.Type: ApplicationFiled: July 30, 2024Publication date: March 13, 2025Inventors: Tae Jin KWON, Woo Hyung CHOI, Sang Woo LEE
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Patent number: 12249272Abstract: Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.Type: GrantFiled: October 13, 2023Date of Patent: March 11, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sang Jin Jeon, Min Chul Shin, Jung Hwan Hwang, Sung Hwan Kim, Ji Youn Seo, Kye Uk Lee
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Patent number: 12249273Abstract: A display device includes connection lines, pulse amplitude modulation (PAM) data lines configured to receive pulse width modulation (PWM) data voltages, PWM data lines configured to receive the PWM data voltages, a first connection control line configured to receive a first connection control signal, a second connection control line configured to receive a second connection control signal, subpixels connected to the PWM data lines and the PAM data lines, and a first demultiplexer (demux) unit configured to connect the connection lines to the PAM data lines or to the PWM data lines according to the first connection control signal and the second connection control signal.Type: GrantFiled: October 30, 2023Date of Patent: March 11, 2025Assignee: Samsung Display Co., Ltd.Inventors: Jung Hwan Hwang, Hyun Joon Kim, Kye Uk Lee, Jun Ki Jeong, Sang Jin Jeon