Patents by Inventor Joon-Woo Lee
Joon-Woo 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: 20240166016Abstract: A vehicular air conditioning system includes: a refrigerant circulation line including first and second evaporators through which refrigerant can flow in a cooling mode, and first and second expansion valves configured to depressurize and expand the refrigerant introduced into each of the first and second evaporators; and refrigerant flow control part provided in front of the first evaporator and the first expansion valve and configured to control refrigerant flow. The first evaporator is used for cooling rear seat region of a passenger room and the refrigerant flow control part is configured to supply and block the refrigerant with respect to the first evaporator and the first expansion valve and is configured to block the refrigerant when the cooling governed by the first evaporator is controlled in a turn-off mode and supply the refrigerant to the first evaporator and the first expansion valve depending on the on/off condition of the cooling governed by the second evaporator.Type: ApplicationFiled: November 14, 2023Publication date: May 23, 2024Inventors: Hwan Kyu CHO, Jae Woo KO, Dong Gyun KIM, Chang Soo BAE, Joon Yeong LEE, Gyu Ik HAN
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Patent number: 11986523Abstract: Disclosed is a stable liquid formulation, comprising an antibody or antigen-binding portion thereof, an acetate buffer, glycine, and a surfactant, wherein the stable liquid formulation does not comprise at least one of sugar, a sugar alcohol and a metal salt, and the stable liquid formulation is still stable even upon high antibody content, and is superior in osmolality and viscosity, and subcutaneous administration thereof is possible.Type: GrantFiled: March 16, 2021Date of Patent: May 21, 2024Assignee: CELLTRION INC.Inventors: Joon Won Lee, Yeon Kyeong Shin, Hye Young Kang, Kwang Woo Kim, So Young Kim, Su Jung Kim, Jun Seok Oh, Won Yong Han
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Publication number: 20240164147Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.Type: ApplicationFiled: January 18, 2024Publication date: May 16, 2024Inventors: Sang Shin LEE, Joon Young PARK, Min Goo KANG, Jung Woo KO, Jong Sung PARK, Hong Kyun AHN, Sang Min YI, Sang Woo JO, Young Eun RYU, Yoon Seo LEE
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Publication number: 20240149642Abstract: A vehicle air conditioner for minimizing the leakage of air through a dual blocking structure between upper and lower flow paths, and having a dual blocking structure. An air-conditioning case having an inner air flow path is divided into an upper flow path and a lower flow path. A heat exchanger for cooling and a heat exchanger for heating are provided in the air flow path of the air-conditioning case. A member having through-holes is disposed downstream of the heat exchanger for heating in the flow direction of air and allows the air that has passed through the heat exchanger for heating to pass therethrough. The member having through-holes has a horizontal member dividing the upper flow path from the lower flow path. A leakage-preventing means is overlapped with the horizontal member so as to prevent the air in the upper flow path and the lower flow path from mixing.Type: ApplicationFiled: April 22, 2022Publication date: May 9, 2024Inventors: Gyu Ik HAN, Jae Woo KO, Ki Jung PARK, Joon Yeong LEE, Ki Man JEON
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Publication number: 20240101810Abstract: The present invention relates to a composition for forming a composite polymer film, a method for preparing the composition for forming a composite polymer film, a composite polymer film and a method for preparing the composite polymer film. The composition for forming a composite polymer film comprises: a fluorine-based polymer solution comprising a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the fluorine-based polymer solution. The method for preparing the composition for forming a composite polymer film comprises the steps of: preparing a fluorine-based polymer solution comprising a fluorine-based polymer; and dispersing polyvinylidene fluoride nanoparticles in the fluorine-based polymer solution. The composite polymer film comprises: a polymer matrix formed from a fluorine-based polymer; and polyvinylidene fluoride nanoparticles dispersed in the polymer matrix.Type: ApplicationFiled: September 4, 2020Publication date: March 28, 2024Applicants: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Eun Ho SOHN, Shin Hong YOOK, Hong Suk KANG, In Joon PARK, Sang Goo LEE, Soo Bok LEE, Won Wook SO, Hyeon Jun HEO, Dong Je HAN, Seon Woo KIM
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Publication number: 20240088411Abstract: A condensate water drain control system for fuel cells includes a fuel cell stack configured to generate electric power through chemical reaction, a fuel supply line configured to recirculate fuel discharged from the fuel cell stack together with fuel introduced from a fuel supply valve, a water trap located in the fuel supply line, the water trap being configured to collect condensate water discharged from the fuel cell stack, a drain valve configured to discharge the condensate water stored in the water trap to the outside when opened, and a drain controller configured to determine whether the fuel supply valve is controlled such that pressure in the fuel supply line is maintained before the drain valve is opened and to sense discharge of fuel from the fuel supply line through the drain valve upon determining that the pressure is maintained.Type: ApplicationFiled: August 16, 2023Publication date: March 14, 2024Inventors: Joon Yong Lee, Dong Hun Lee, Soon Woo Kwon, Sung Gone Yoon
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Publication number: 20240081099Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.Type: ApplicationFiled: November 9, 2023Publication date: March 7, 2024Applicant: Samsung Display Co., Ltd.Inventors: Joon Woo BAE, So Young KOO, Han Bit KIM, Thanh Tien NGUYEN, Kyoung Won LEE, Yong Su LEE, Jae Seob LEE, Gyoo Chul JO
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Patent number: 11919122Abstract: A substrate processing apparatus includes: a conveyor belt configured to have an outer surface on which a bottom surface of a substrate is seated; and a polishing head unit configured to face an upper surface of the substrate, wherein the polishing head unit includes: a polishing head connected to a driver; a polishing pad configured to face the polishing head; a polishing pad fixing ring disposed between the polishing head and the polishing pad; and a temperature sensor configured to overlap the polishing pad fixing ring and to be spaced apart from the polishing pad fixing ring.Type: GrantFiled: September 29, 2020Date of Patent: March 5, 2024Assignees: SAMSUNG DISPLAY CO., LTD., KCTECH CO., LTD.Inventors: Seung Bae Kang, Sung Hyeon Park, Jung Gun Nam, Joon-Hwa Bae, Kyung Bo Lee, Keun Woo Lee, Woo Jin Cho, Byoung Kwon Choo
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Patent number: 11925098Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.Type: GrantFiled: November 8, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Myoung Geun Cha, Sang Gun Choi, Joon Woo Bae, Ji Yeong Shin, Yong Su Lee
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Patent number: 11918632Abstract: The present invention provides a method for preventing or treating liver cancer in a subject comprising administrating at least one selected from the group consisting of an Ssu72 peptide, a polynucleotide encoding the Ssu72 peptide and an expression vector containing the polynucleotide to the subject.Type: GrantFiled: July 25, 2022Date of Patent: March 5, 2024Assignees: CUROGEN TECHNOLOGY CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Chang Woo Lee, Jin Kwan Lee, Hyun Soo Kim, Jae-kyung Kim, Joon Sup Yoon
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Publication number: 20230379134Abstract: A method of performing a homomorphic permutation by a server includes: generating, via a ciphertext generation portion, a first ciphertext by adding noise to the basic ciphertext; transmitting, via a transmission portion, the first ciphertext to a client; performing, via an operation portion, a predetermined operation on the noise; receiving, via a reception portion, a second ciphertext from the client; and extracting, via an extraction portion, the basic ciphertext on which the predetermined operation is performed, by removing, from the second ciphertext, the noise on which the predetermined operation is performed, wherein the second ciphertext is a ciphertext that is re-encrypted by the client after decrypting the first ciphertext and performing the predetermined operation on the decrypted first ciphertext.Type: ApplicationFiled: October 18, 2022Publication date: November 23, 2023Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHOSUN UNIVERSITYInventors: Joon-Woo LEE, Jong-Seon NO, Yong-Woo LEE, Seung-Jae CHAE, Young-Sik KIM
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Publication number: 20230269069Abstract: A device for performing multi-key homomorphic encryption includes a public key generator configured to generate a public key by using a secret key for each client, and a multiplication key generator configured to generate a multiplication key by reusing a public key protection error used in the generating of the public key. By reducing the size of the multiplication key by reusing the public key protection error, the operation time and memory may be reduced.Type: ApplicationFiled: February 16, 2023Publication date: August 24, 2023Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHOSUN UNIVERSITYInventors: Jong-Seon No, Young-Sik Kim, Zahyun Koo, Joon-Woo Lee
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Publication number: 20230254112Abstract: In a client-server model for generating a rotation operation key in fully homomorphic encryption, a client transmits a public key and a hierarchical Galois key generated using a secret key to a server, and the server performs a rotation operation on the public key using the hierarchical Galois key to directly generate one or more rotation operation keys, so that the server may generate a rotation operation key if necessary while computational burden and communication cost of the client are reduced.Type: ApplicationFiled: February 2, 2023Publication date: August 10, 2023Inventors: Jong Seon NO, Joon Woo LEE, Young Sik KIM
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Publication number: 20230254125Abstract: A homomorphic encryption operation key management system receives a public key and a hierarchical Galois key from a client device, verifies validity of a token in response to receiving the token and a request for a homomorphic encryption operation key for the client device from a server, and generates the homomorphic encryption operation key using the public key and the hierarchical Galois key and transmits the homomorphic encryption operation key to the server when the token is valid.Type: ApplicationFiled: February 3, 2023Publication date: August 10, 2023Inventors: Jong Seon NO, Joon Woo LEE, Young Sik KIM
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Patent number: 11695540Abstract: Disclosed is an electronic apparatus. The electronic apparatus includes a memory storing a composite function in which at least two polynomials are composed and a processor configured to, based on a comparison operation command being received for a plurality of homomorphic ciphertexts, perform operation by reflecting the plurality of homomorphic ciphertexts to the composite function, and obtain a comparison result of the plurality of homomorphic ciphertexts based on the operation result, each of the at least two polynomials may output a value in a preset range for a value in a preset domain, and a domain of one of the at least two polynomials may be determined based on a range of a previous polynomial.Type: GrantFiled: July 2, 2021Date of Patent: July 4, 2023Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Eunsang Lee, Joon-Woo Lee, Jong-Seon No, Young-Sik Kim
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Publication number: 20230188317Abstract: An apparatus includes: one or more processors configured to: generate packed data by performing data packing on an encrypted image; and perform a homomorphic encryption operation based on the packed data and a weight.Type: ApplicationFiled: August 16, 2022Publication date: June 15, 2023Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation, Industry Academic Cooperation Foundation, Chosun University, Daegu Gyeongbuk Institute of Science and TechnologyInventors: Woosuk CHOI, Joon-Woo LEE, Eunsang LEE, Young-Sik KIM, Yongjune KIM, Jong-Seon NO, Junghyun LEE
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Publication number: 20230137531Abstract: A wiper blade for a vehicle includes a wiper arm having one end installed at a windshield glass side and configured to rotate, and the other end at which an installation bracket is provided, a blade mounted on the installation bracket of the wiper arm and configured to clean a windshield glass, and a nozzle installed on an assembling part extending outward from the installation bracket of the wiper arm, the nozzle being positioned between the assembling part and the blade and configured to spray a cleaning liquid in a longitudinal direction in which the blade extends.Type: ApplicationFiled: August 17, 2022Publication date: May 4, 2023Inventors: Hun Jae Kim, Joon Woo Lee, Kun Woo Choung
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Patent number: 11637700Abstract: A processor-implemented encryption method using homomorphic encryption includes: receiving data; generating a ciphertext by encrypting the received data; determining a coefficient of an approximating polynomial for performing a modular reduction on a modulus corresponding to the ciphertext, based on an error between the approximating polynomial and a modular reduction function; and performing bootstrapping on the ciphertext by performing the modular reduction based on the determined coefficient of the approximating polynomial.Type: GrantFiled: August 3, 2021Date of Patent: April 25, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION, Industry Academic Cooperation Foundation Chosun UniversityInventors: Hyungchul Kang, Yongwoo Lee, Young-Sik Kim, Jong-Seon No, Joon-woo Lee
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Patent number: 11558172Abstract: An encryption method and apparatus based on homomorphic encryption using a composition of functions. The encryption method includes generating a ciphertext by encrypting data, and bootstrapping the ciphertext by performing a modular reduction based on a composition of a function for a modulus corresponding to the ciphertext.Type: GrantFiled: April 21, 2021Date of Patent: January 17, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION, Industry-Academic Cooperation Foundation Chosun UniversityInventors: Jong Seon No, Yong Woo Lee, Eunsang Lee, Joon Woo Lee, Young Sik Kim
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Patent number: 11546134Abstract: A method and apparatus for processing a ciphertext based on homomorphic encryption. The method includes determining an approximate polynomial corresponding to a modulus reduction for bootstrapping a ciphertext based on samples extracted from the modulus reduction, and bootstrapping the ciphertext based on the approximate polynomial.Type: GrantFiled: February 10, 2021Date of Patent: January 3, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Jong Seon No, Yong Woo Lee, Young Sik Kim, Joon Woo Lee