Patents by Inventor Chang-Jin Lee
Chang-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: 11955281Abstract: An electronic component includes: a multilayer capacitor including a capacitor body and a pair of external electrodes, respectively disposed on external surfaces of the capacitor body in a first direction; and an interposer disposed below the multilayer capacitor and including an interposer body, a pair of via holes penetrating through the interposer body, and a pair of via electrodes, respectively disposed in the via holes to be connected to the pair of external electrodes, respectively. 0.24T?t?0.3T, where “T” is a maximum height of the multilayer capacitor and “t” is a maximum height of the interposer.Type: GrantFiled: May 17, 2021Date of Patent: April 9, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Hoon Kim, Chang Hee Lee, Jea Hoon Lee, Hye Jin Kim, Yeo Ju Cho
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Publication number: 20240109397Abstract: A method for controlling an electric heater of a vehicular heating, ventilation, and air conditioning (HVAC) system includes turning on the electric heater; determining whether an ambient air temperature of a vehicle is higher than or equal to a threshold ambient air temperature, and a battery temperature is lower than or equal to a threshold battery temperature; determining whether battery efficiency is lower than or equal to threshold efficiency when the ambient air temperature of the vehicle is higher than or equal to the threshold ambient air temperature, and the battery temperature is lower than or equal to the threshold battery temperature; and turning off the electric heater when the battery efficiency is lower than or equal to the threshold efficiency, wherein the electric heater is configured to receive electric energy from the battery.Type: ApplicationFiled: March 30, 2023Publication date: April 4, 2024Inventors: Dae Hyun Song, Chang Gi Ryu, Woo Jin Lee, Dong Ju Ko, Hyun Hun Choi, Chun Kyu Kwon, In Uk Ko
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Publication number: 20240109350Abstract: The present disclosure relates to a portable printer including a main body in a portable form which is capable of accommodating a cartridge having a nozzle for delivering a printing material to a target having a soft or hard surface, a seating part which is provided to be exposed to an outside from a lower portion of the main body to face the surface of the target and at least partially surrounds the nozzle, a roller provided respectively at the front and rear of the nozzle at the lower portion of the main body with respect to a direction in which the main body moves along the surface of the target to deliver the printing material to the target, and a printing adjustment unit configured to adjust a height difference between the nozzle and the roller to adjust a height difference between the nozzle and the surface of the target.Type: ApplicationFiled: October 20, 2022Publication date: April 4, 2024Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Chang Hwan HYUN, Ji Hee LEE, Kang Ug LEE, Sung Hyoun JANG, Hyeon Jin KWEON, Hae Na CHEONG, Ji Hee JEONG, Jung Yong LEE, Ha Young KIM
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Patent number: 11945461Abstract: Disclosed are a drunk driving prevention system and a method of controlling the system that includes a sensor module measuring a alcohol content in the exhaled breath of a driver during a breath-checking of the driver and a control module configured to check the intoxication state of the driver from the alcohol content measured by the sensor module to determine whether the breath-checking is complete and block an engine start when the breath-checking fails, wherein the control module includes a check unit displaying breath-checking guide information through a display unit and the check unit displays the breath-checking guide information based on an engine start input of the driver.Type: GrantFiled: July 29, 2022Date of Patent: April 2, 2024Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Yu Jin Jung, Yeon Su Kim, June Seung Lee, Chang Won Lee
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Patent number: 11932794Abstract: Disclosed are quantum dots based on a graded multishell structure and a method of manufacturing the same. More particularly, each of the quantum dots according to an embodiment of the present invention includes a core, inter shells surrounding the core, and an outer shell surrounding the inter shells, wherein the concentrations of compounds composing the inter shells are changed stepwise from the core to the outer shell.Type: GrantFiled: May 22, 2020Date of Patent: March 19, 2024Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITYInventors: Jea Gun Park, Seung Jae Lee, Ji Eun Lee, Chang Jin Lee
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Patent number: 11930986Abstract: A dishwasher having a structure to prevent deformation of an accommodating container includes a main body, a tub provided inside the main body and including an opening, a door provided to open and close the opening of the tub, a guide rail mounted on an inner wall of the tub, an accommodating container provided to accommodate tableware and be movable along the guide rail, and including a front portion facing the opening and a rear portion, at least one roller rotatably mounted on the rear portion of the accommodating container so that the accommodating container is movable along the guide rail, and a support holder formed on the front portion of the accommodating container to be supported on at least one of the guide rail and the inner wall of the tub.Type: GrantFiled: August 2, 2019Date of Patent: March 19, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Johannes Büsing, Woo Jin Shin, Chang Wook Lee, Sang Soo Choi
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Patent number: 11935876Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.Type: GrantFiled: April 27, 2021Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jun Bo Sim, Duk Ki Kim, Yong Hwi Kim, Hyo Jin Ko, Chang Hee Lee, Chan Woo Joo, Jae Kook Ha, Na Mi Hong
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Publication number: 20240086603Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Applicant: SAMSUNG ELECTRONICS CO, LTD.Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
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Patent number: 11919688Abstract: According to an embodiment of the present disclosure, a content container is provided. The content container may include: a container part configured to accommodate a liquid content; an upper cap that is detachably coupled to the container part and includes a first accommodation part configured to accommodate a solid content and a pressing part moved by being pressed; and a lower cap that is inserted into the container part, and includes an accommodation tube forming a second accommodation part and a plurality of communication holes formed in the outside of the accommodation tube to communicate with the container part, wherein, by pressing the upper cap, the solid content is moved from the first accommodation part to the second accommodation part.Type: GrantFiled: March 18, 2021Date of Patent: March 5, 2024Assignee: KOLMAR BNH CO., LTDInventors: Chang Soo Lee, Koo Sup Ahn, Jong Hyun Park, Sang In Han, Hye Jin Jung
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Patent number: 11915790Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: GrantFiled: May 26, 2022Date of Patent: February 27, 2024Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
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Patent number: 11917883Abstract: A color control member includes a color control layer including a quantum dot and a color filter layer on the color control layer, wherein a low refractive layer may be between the color control layer and the color filter layer. The low refractive layer includes a base resin and a plurality of sets of hollow particles dispersed in the base resin, and each of the hollow particles of each set of the sets of hollow particles may have a spherical shape. The sets of hollow particles may have respective average diameters, and a ratio of two average diameters of the respective average diameters of the sets of hollow particles is about 2:1 to about 60:1, and the low refractive layer including the hollow particles may be formed through a continuous process at a low temperature.Type: GrantFiled: February 16, 2021Date of Patent: February 27, 2024Assignee: Samsung Display Co., Ltd.Inventors: Youyoung Jin, Keunchan Oh, Gak Seok Lee, Sanghun Lee, Chang-Soon Jang
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Patent number: 11912804Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.Type: GrantFiled: October 11, 2019Date of Patent: February 27, 2024Assignee: LG Chem, Ltd.Inventors: Kwang Jin Lee, Yoon Ho Kim, Sang Il Nam, Kyung Bok Sun, Chang No Lee, Sang Hoon Han
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Patent number: 11904259Abstract: The present invention relates to a method for isolating extracellular vesicles using cations, and more particularly, to a method for isolating extracellular vesicles from various samples by using the affinity between the extracellular vesicles and cations. A method for isolating extracellular vesicles according to the present invention does not require expensive equipment, can be applied irrespective of sample amount, and has the advantage of being capable of efficiently isolating the extracellular vesicles while preserving the shape or characteristics thereof. Moreover, the method according to the present invention can be combined with existing isolation methods to maximize extracellular vesicle isolation efficiency, and can be applied to disease diagnosis, disease treatment, and multi-omics research using isolated extracellular vesicles, as well as to research on the properties of extracellular vesicles.Type: GrantFiled: July 26, 2018Date of Patent: February 20, 2024Assignee: ROSETTA EXOSOMEInventors: Yong Song Gho, Chang Jin Lee, Ji Hyun Kim, Sung Hyun Song
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Publication number: 20240027312Abstract: The present invention relates to a method for isolating extracellular vesicles and, more particularly, to a method for isolating extracellular vesicles using hydrophobicity of the extracellular vesicles, and extracellular vesicles isolated using the method. When used, the method for isolating extracellular vesicles according to the present invention allows for isolating, from various animal body fluids including blood and urine or various tissues including cancer tissues, extracellular vesicles free of contamination with lipoproteins that are difficult to eliminate using a conventional method, can solve conventional problems caused by lipoprotein contamination, and is expected to be an essential technology that has a great influence on various research using extracellular vesicles isolated from various animal body fluids or tissues, such as characterization and function research, multi-omics research, excavation of novel biomarkers, diagnosis and treatment, etc.Type: ApplicationFiled: July 26, 2018Publication date: January 25, 2024Inventors: Chang Jin LEE, Yong Song GHO, Hyun Taek PARK
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Patent number: 11835502Abstract: The analysis method for extracellular vesicles, according to the present invention, uses the size-specific separation ability of size exclusion chromatography and the properties of a probe that specifically binds with extracellular vesicles, and by using same is capable of the rapid and easy analysis of the quantity of extracellular vesicles included in a sample, analysis of the physicochemical properties of the extracellular vesicles, analysis of the kind and quantity of the components included in the extracellular vesicles, and analysis of the binding properties or affinity of the probe with respect to the components of the extracellular vesicles.Type: GrantFiled: September 27, 2018Date of Patent: December 5, 2023Assignee: ROSETTA EXOSOMEInventors: Yong Song Gho, Chang Jin Lee, Hyun Taek Park
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Patent number: 11827825Abstract: Disclosed are quantum dots including a luminescent dopant. More particularly, each of the quantum dots according to an embodiment of the present invention includes a core and a shell surrounding the core, wherein at least one of an interior of the core and an interface between the core and the shell is doped with a luminescent group I dopant.Type: GrantFiled: May 22, 2020Date of Patent: November 28, 2023Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Jea Gun Park, Seung Jae Lee, Ji Eun Lee, Chang Jin Lee
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Patent number: 11802106Abstract: The present invention relates to a novel cathode buffer layer material, and an organic or organic/inorganic hybrid photoelectric device comprising same, and, if a novel compound of the present invention is applied to a cathode buffer layer of an organic photoelectric device such as organic solar cells, organic photodiode, colloidal quantum dot solar cell, and perovskite solar cell, a surface property of an electron transfer layer is improved via a high dipole moment of the novel compound, an electron can be easily extracted from a photoactive layer to a cathode electrode, and series resistance and leakage current can be reduced, thereby having a useful industrial effect, as performance of the organic or organic/inorganic hybrid photoelectric device being manufactured, such as an organic solar cell, organic photodiode, colloidal quantum dot solar cell, and perovskite solar cell, can be significantly improved.Type: GrantFiled: April 22, 2019Date of Patent: October 31, 2023Assignee: Korea Research Institute of Chemical TechnologyInventors: Sung Cheol Yoon, Chang Jin Lee, Jaemin Lee, Seung Hun Eom, Seung Hoon Lee, Ju Hyoung Jung
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Patent number: 11767318Abstract: The present invention relates to a novel cathode buffer layer material and an organic photoelectric device including the same. When the novel compound of the present invention is applied to a cathode buffer layer of an organic photoelectric device, for example, an organic solar cell or an organic photodiode, there is an effect in which the surface characteristics of an electron transport layer are improved through the high dipole moment of the novel compound to thereby facilitate electron extraction from a photoactive layer to a cathode electrode and to reduce series resistance and leakage current, and accordingly, the performance of an organic optoelectronic device (organic solar cell, organic photodiode, etc.) to be manufactured can be remarkably improved, which is industrially advantageous.Type: GrantFiled: July 17, 2018Date of Patent: September 26, 2023Assignee: Korea Research Institute of Chemical TechnologyInventors: Sung Cheol Yoon, Chang Jin Lee, Jaemin Lee, Seung Hun Eom
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Publication number: 20230106112Abstract: Disclosed are quantum dots based on a graded multishell structure and a method of manufacturing the same. More particularly, each of the quantum dots according to an embodiment of the present invention includes a core, inter shells surrounding the core, and an outer shell surrounding the inter shells, wherein the concentrations of compounds composing the inter shells are changed stepwise from the core to the outer shell.Type: ApplicationFiled: May 22, 2020Publication date: April 6, 2023Inventors: Jea Gun PARK, Seung Jae LEE, Ji Eun LEE, Chang Jin LEE
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Patent number: D1019386Type: GrantFiled: October 7, 2021Date of Patent: March 26, 2024Assignee: Kolmar Korea Co., Ltd.Inventors: Chang Soo Lee, Sang In Han, Hye Jin Jung, Hee Yoon Kim