Patents by Inventor Su-Young Lee
Su-Young 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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Publication number: 20240136503Abstract: A negative electrode composition, a negative electrode for a lithium secondary battery including the same, a lithium secondary battery, and a method for preparing the negative electrode composition are provided. The negative electrode composition comprises a silicon carbon composite, a graphite, and a negative electrode conductive material, wherein a BET specific surface area of the silicon carbon composite is larger than a BET specific surface area of the graphite.Type: ApplicationFiled: October 18, 2023Publication date: April 25, 2024Inventors: Su Min Lee, Sung Young Shin, Yong Ju Lee, Bumgi Heo
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Patent number: 11959819Abstract: Provided is a strain sensor. The strain sensor according to embodiments of the inventive concept includes a flexible substrate, rigid patterns on the flexible substrate, the rigid patterns including a first pattern and a second pattern spaced apart from the first pattern in a first direction, a first electrode on the first pattern, a second electrode on the second pattern, the second electrode being spaced apart from the first electrode, and a piezoresistive layer connecting the first electrode and the second electrode. Here, each of the rigid patterns may have a stiffness greater than that of the flexible substrate.Type: GrantFiled: May 11, 2021Date of Patent: April 16, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Su Jae Lee, Seong Hyun Kim, Chan Woo Park, Jae Bon Koo, Bock Soon Na, Ji-Young Oh
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Patent number: 11962003Abstract: A negative electrode active material for a lithium secondary battery which includes: silicon particles; and a coating layer surrounding respective silicon particles, wherein the silicon particles have a full width at half maximum (FWHM) of peak ranging from 2 to 10 in the particle diameter distribution having an average particle diameter (D50) of 1 ?m to 30 ?m, and the coating layer includes at least one selected from the group consisting of carbon and a polymer. A negative electrode and lithium secondary battery including the negative electrode active material are also disclosed.Type: GrantFiled: January 21, 2020Date of Patent: April 16, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Su-Min Lee, Je-Young Kim, Se-Mi Park, Yong-Ju Lee
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Patent number: 11958874Abstract: According to the embodiment of the present disclosure, an organo tin compound is represented by the following Chemical Formula 1: In Chemical Formula 1, L1 and L2 are each independently selected from an alkoxy group having 1 to 10 carbon atoms and an alkylamino group having 1 to 10 carbon atoms, R1 is a substituted or unsubstituted aryl group having 6 to 8 carbon atoms, and R2 is selected from a substituted or unsubstituted linear alkyl group having 1 to 4 carbon atoms, a branched alkyl group having 3 to 4 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an allyl group having 2 to 4 carbon atoms.Type: GrantFiled: April 11, 2022Date of Patent: April 16, 2024Assignees: EGTM Co., Ltd., SK hynix Inc.Inventors: Jang Keun Sim, Sung Jun Ji, Tae Young Lee, Shin Beom Kim, Sun Young Baik, Tae Hwan Lim, Dong Kyun Lee, Sang Hyun Lee, Su Pill Chun
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Publication number: 20240120478Abstract: A lithium secondary battery includes a cathode having a cathode active material, an anode having an anode active material, a separator, and an electrolyte. The cathode active material comprises a lithium composite transition metal compound having Ni, Co, and Mn, and has single particles and/or pseudo-single particles. Each single particle consists of one nodule, and each pseudo-single crystal is a composite of 30 or fewer nodules. The single particles and/or pseudo-single particles have an average particle diameter (D50) of 1 ?m or more. The anode active material has a silicon carbon composite having an average particle diameter (D50) of more than 1 ?m. The average particle diameter (D50) of the single particles and/or pseudo-single particles is smaller than the average particle diameter (D50) of the silicon carbon composite.Type: ApplicationFiled: August 3, 2023Publication date: April 11, 2024Applicant: LG Energy Solution, Ltd.Inventors: Su Min Lee, Sun Young Shin, Yong Ju Lee, Bumgi Heo
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Publication number: 20240122069Abstract: The present disclosure relates to a plurality of host materials and organic electroluminescent devices comprising the same. The present disclosure may provide a plurality of host materials having a composition favorable to thermal denaturation due to a low deposition temperature, while improving hole properties and electronic properties of HOMO and LUMO, by comprising separate compounds represented by formulas 1 and 2 into a light-emitting layer. By comprising the plurality of host materials of the present disclosure, it is possible to provide an organic electroluminescent device having a lower driving voltage, higher luminous efficiency and/or longer lifetime.Type: ApplicationFiled: November 10, 2023Publication date: April 11, 2024Inventors: Bitnari KIM, Su-Hyun LEE, So-Young JUNG, Hyo-Soon PARK, Tae-Jun HAN, Young-Jun CHO, Sang-Hee CHO
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Patent number: 11951804Abstract: An air-conditioning device for mobilities and an air-conditioning control system for mobilities using the same, which are capable of performing independent air-conditioning control for each seat when a mobility is heated and cooled, thereby preventing wastage of heating and cooling energy by performing individual air conditioning for each seat depending on whether a passenger is seated, and ensuring comfort of all passengers by providing conditioned air to each seat.Type: GrantFiled: July 18, 2022Date of Patent: April 9, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Su Yeon Kang, Gee Young Shin, Dae Hee Lee, Myung Hoe Kim, Dong Ho Kwon
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Patent number: 11951207Abstract: The present invention provides a stable liquid pharmaceutical formulation containing: an antibody or its antigen-binding fragment; a surfactant; a sugar or its derivative; and a buffer. The stable liquid pharmaceutical formulation according to the present invention has low viscosity while containing a high content of the antibody, has excellent long-term storage stability based on excellent stability under accelerated conditions and severe conditions, and may be administered subcutaneously.Type: GrantFiled: June 28, 2017Date of Patent: April 9, 2024Assignee: Celltrion Inc.Inventors: Joon Won Lee, Won Yong Han, Su Jung Kim, Jun Seok Oh, So Young Kim, Su Hyeon Hong, Yeon Kyeong Shin
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Patent number: 11955183Abstract: A non-volatile memory includes a memory cell region including an outer region proximate a first end of the memory cell region and an inner region separated from the first end by the outer region, first and second bit lines, an outer memory cell string including memory cells connected to an outer pillar extending vertically upward through the outer region, and an inner memory cell string including memory cells connected to an inner pillar extending vertically upward through the inner region, and a data input/output (I/O). The data I/O circuit includes a page buffer circuit that connects the first bit line during a first read operation directed to memory cells of the outer memory cell string, and connects the second bit line during a second read operation directed to memory cells of the inner memory cell string, and a read voltage determination unit that selects a first optimal read voltage used during the first read operation, and a second optimal read voltage used during the second read operation.Type: GrantFiled: May 30, 2022Date of Patent: April 9, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Su Chang Jeon, Seung Bum Kim, Ji Young Lee
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Patent number: 11950383Abstract: A display apparatus according to a concept of the disclosure includes: a display panel configured to display an image in a front direction; a top chassis positioned in a front direction of the display panel; a bottom chassis positioned in a rear direction of the display panel; a rear cover covering a rear side of the bottom chassis; and a stand member being accommodatable in the rear cover and selectively coupled with a rear surface of the rear cover, wherein the rear cover includes an accommodating portion in which the stand member is accommodated and a coupling portion coupled with the stand member, and the stand member includes an inserting protrusion which is inserted into the accommodating portion and the coupling portion.Type: GrantFiled: August 27, 2019Date of Patent: April 2, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee-Bong Kim, Dong Wook Kim, Ji-Gwang Kim, Tae-Hun Kim, Yong Gu Do, Jeong Woo Park, Gil Jae Lee, Sang Young Lee, Pil Kwon Jung, Su-An Choi
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Patent number: 11950506Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as host materials, it is possible to provide an organic electroluminescent device having lower driving voltage, higher luminous efficiency, higher power efficiency, and/or superior lifespan characteristics compared to conventional organic electroluminescent devices.Type: GrantFiled: October 20, 2020Date of Patent: April 2, 2024Assignee: Rohm and Haas Electronic Materials Korea Ltd.Inventors: So-Young Jung, Su-Hyun Lee, Mi-Ja Lee, Sang-Hee Cho, Doo-Hyeon Moon
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Patent number: 11939425Abstract: The present invention relates to a polyester resin. The polyester resin is useful for bottles, sheets, multilayer sheets, stretched films and fiber applications due to excellent heat resistance and transparency, and in particular, the polyester resin has little deterioration of physical properties such as yellowing, etc., during processing. A process for making the polyester resin includes an esterification reaction between a dicarboxylic acid that includes terephthalic acid and a diol that includes isosorbide in the presence of a catalyst, followed by a polycondensation reaction on a product of the esterification reaction. In some embodiments, an initial mixing ratio of the dicarboxylic acid and the diol is between 1:1.02 and 1:1.04.Type: GrantFiled: September 23, 2020Date of Patent: March 26, 2024Assignee: SK Chemicals Co., Ltd.Inventors: Yoo Jin Lee, Su-Min Lee, Sung-Gi Kim, Min-Young Han, Dong-jin Han
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Publication number: 20240076788Abstract: Disclosed are an oxidizing electrode, a water electrolysis device including the same and a method for manufacturing the same. According to exemplary embodiments of the present disclosure, there is provided an oxidizing electrode with improved performance at low loadings of noble metals, especially, ruthenium (Ru) and iridium oxide, in which a ruthenium (Ru) layer and an iridium oxide layer formed on a substrate by electrodeposition in a sequential order are supported by electrochemical reaction rather than physical bonding.Type: ApplicationFiled: January 18, 2023Publication date: March 7, 2024Inventors: Hyun S. PARK, Jong Hyun JANG, Hee-Young PARK, Su Ji LEE, Sung Jong YOO, Jin Young KIM, Jimin KONG, Jin-ho OH, So Young LEE
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Patent number: 11627257Abstract: An electronic device includes first and second image sensors, an image signal processor, and a main processor. The first and second image sensors photograph an object in first and second FOVs to generate first and second signals, respectively. The image signal processor generates first image data based on the first signal, generates second image data based on the second signal, and generates cropped image data based on cropping ROI from the second image data. The main processor generates a first video stream based on the first image data, generates a second video stream based on the cropped image data, and outputs the first video stream to a display device. The main processor stops outputting the first video stream to the display device and initiates outputting the second video stream to the display device in response to receiving a user input command.Type: GrantFiled: October 4, 2021Date of Patent: April 11, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Sungjun Kim, Kwangjin An, Jonha Lee, Su-Young Lee
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Patent number: 11584629Abstract: A refrigerator for drinks is provided. The refrigerator may include a cabinet having a storage compartment therein, and a dispenser nozzle disposed to be at least partially exposed outside the cabinet. A pump connection line being able to increase pressure in a drink container by delivering high-pressure air into the drink container and a tank connection line preventing oxidation of the drink in the drink container by delivering an unreactive gas into the drink container may be disposed in the cabinet. Accordingly, two functions of discharging a drink and preventing oxidation may be individually performed, so consumption of an unreactive gas may be reduced.Type: GrantFiled: March 5, 2021Date of Patent: February 21, 2023Assignee: LG ELECTRONICS INC.Inventors: Dae Woong Kim, Hee Su Yang, Min Kyu Oh, Su Young Lee, Ja Yoen Kim, Hwa Yun Choi
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Publication number: 20220166936Abstract: An electronic device includes first and second image sensors, an image signal processor, and a main processor. The first and second image sensors photograph an object in first and second FOVs to generate first and second signals, respectively. The image signal processor generates first image data based on the first signal, generates second image data based on the second signal, and generates cropped image data based on cropping ROI from the second image data. The main processor generates a first video stream based on the first image data, generates a second video stream based on the cropped image data, and outputs the first video stream to a display device. The main processor stops outputting the first video stream to the display device and initiates outputting the second video stream to the display device in response to receiving a user input command.Type: ApplicationFiled: October 4, 2021Publication date: May 26, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Sungjun KIM, Kwangjin AN, Jonha LEE, Su-Young LEE
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Publication number: 20220144774Abstract: Provided are a novel process for preparing (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine or a salt thereof, which is an intermediate useful for the preparation of tofacitinib, an intermediate used in the process, i.e., isopropanol solvate of methyl ((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)carbamate dibenzoyl-L-tartrate, an intermediate, having excellent stability, useful for the preparation of tofacitinib, i.e., (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine acetate, and a process for preparing tofacitinib or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: April 3, 2020Publication date: May 12, 2022Applicant: YUHAN CORPORATIONInventors: Sang-Ho OH, Doo-Byung LEE, Kyoung-Chan KWON, Sang-Won KIM, Hyo-Ick HWANG, Kyeong-Sill LEE, Ik-Su JO, Ji-Hye CHOI, Sung-Hee CHO, Su-Young LEE
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Patent number: 11288782Abstract: An electronic device performs HDR processing by using a plurality of image sensor blocks including a first image sensor block that photographs an object at a first field of view and a second image sensor block that photographs the object at a second field of view greater than the first field of view. An image signal processor generates first image data and second image data based on the photographed object. A main processor crops image data among image data of the second sensor that correspond to image data of the first sensor, and performs HDR processing based on the first image data and the cropped second image data.Type: GrantFiled: June 11, 2020Date of Patent: March 29, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Su-Young Lee, Jeongwook Lee, Daejung Kim, Hwansun Sung, Hyunseok Yang, Eunjik Yi, Joohyoung Lee, Sooman Jeong
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Publication number: 20210278111Abstract: A refrigerator for drinks is provided. The refrigerator may have an open hole that is open upward, so a drink container may be inserted in an erect state in a cabinet through the open hole. An insertion guide connected to the open hole may be disposed in the cabinet and the width of the insertion guide may change in a height direction. Accordingly, a drink container may be guided by the insertion guide when being inserted into or taken out of the refrigerator for drinks.Type: ApplicationFiled: March 5, 2021Publication date: September 9, 2021Applicant: LG ELECTRONICS INC.Inventors: Dae Woong Kim, Hee Su Yang, Min Kyu Oh, Su Young Lee, Ja Yoen Kim, Hwa Yun Choi
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Publication number: 20210278110Abstract: A refrigerator for drinks is provided. The refrigerator may include a cabinet and a cooling guide transmitting coldness to a drink container stored in an erect state in the cabinet. Several coolers may be disposed for cooling guides and may cool the cooling guides, respectively, and dispenser nozzles may be disposed to be exposed outside the cabinet, whereby drinks may be dispensed. A surface of a cooling block facing a thermoelectric element of the cooler and a surface of the cooling block facing the cooling guide may have different areas.Type: ApplicationFiled: March 5, 2021Publication date: September 9, 2021Applicant: LG ELECTRONICS INC.Inventors: Dae Woong Kim, Hee Su Yang, Min Kyu Oh, Su Young Lee, Ja Yoen Kim, Hwa Yun Choi