Patents by Inventor Joo-hee Lee

Joo-hee 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).

  • Publication number: 20250022178
    Abstract: The present disclosure relates to an image encoding/decoding method for a machine and a device therefor. An image encoding method according to the present disclosure includes extracting an encoding method feature from an encoding input signal; determining an encoding method that is optimal for the encoding input signal based on the encoding method feature; transforming the encoding input signal based on the encoding method; and encoding an encoding target signal generated by transforming encoding method information and the encoding input signal.
    Type: Application
    Filed: July 11, 2024
    Publication date: January 16, 2025
    Applicants: Electronics and Telecommunications Research Institute, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Joo Young LEE, Se Yoon Jeong, Youn Hee Kim, Jin Soo Choi, Jung Won Kang, Hye Won Jeong, Hui Yong Kim, Jang Hyun Yu, Seung Hwan Jang, Hyun Dong Cho
  • Publication number: 20240339561
    Abstract: A light emitting element may include a semiconductor stack structure including an N-type semiconductor layer, a P-type semiconductor layer, and an active layer disposed between the N-type semiconductor layer and the P-type semiconductor layer, and an insulating layer disposed on a side portion of the semiconductor stack structure. The semiconductor stack structure may include a fluorinated area disposed adjacent to the insulating layer.
    Type: Application
    Filed: March 14, 2024
    Publication date: October 10, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Song CHAE, Dae Hyun KIM, Sang Ho PARK, Jae Woong YOO, Chul Jong YOO, Sang Hoon LEE, Joo Hee LEE, Jin Hyuk JANG, Sang Ho JEON, Seon Hong CHOI
  • Publication number: 20240269940
    Abstract: A fiber winding device includes a spool assembly having a plurality of bobbins provided around a spiral wire in a circumferential direction to form a spool surface, a guide ring provided at a front part of the center of the spool assembly in a direction oblique to the spool surface, and a wire transfer unit for transferring the spiral wire to pass through the guide ring. The spiral wire is disposed to perpendicularly pass through the center of the guide ring. The spool assembly is disposed in a direction oblique to the wire, and fibers from the plurality of bobbins are wound on the spiral wire along the guide ring. In addition, by sequentially arranging a plurality of fiber winding devices along the spiral wire, fibers in multiple layers can be wound on one spiral wire sequentially and continuously.
    Type: Application
    Filed: May 27, 2022
    Publication date: August 15, 2024
    Inventors: Ik Hyeon CHOI, Joo Hee LEE, Jong Won LEE
  • Patent number: 11979488
    Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: May 7, 2024
    Assignees: Samsung SDS Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Joo Hee Lee, Duk Jae Moon, Hyo Jin Yoon, Ji Hoon Cho, Seong Kwang Kim, Joo Young Lee, Jin Cheol Ha
  • Publication number: 20240010139
    Abstract: An embodiment fastener assembly for a vehicle includes a first member coupled to a vehicle trim and including a first coupling protrusion on a surface of the first member directed toward a panel and a second member coupled to the panel and including a second coupling protrusion on a surface of the second member directed toward the vehicle trim, the second coupling protrusion being coupled to the first coupling protrusion, wherein the first member and the second member are coupled to each other by coupling of the first coupling protrusion to the second coupling protrusion.
    Type: Application
    Filed: June 19, 2023
    Publication date: January 11, 2024
    Inventors: Dong-Han Kim, Joo-Hee Lee
  • Patent number: 11869721
    Abstract: A capacitor component includes: a body including a dielectric layer and an internal electrode layer; and an external electrode disposed on the body, and connected to the internal electrode layer. A surface color of the body is R?30, G?30, B?40 based on R/G/B, and a dielectric constant of the dielectric layer is 2000 or more and 4000 or less.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seok Hyun Yoon, Joo Hee Lee, In Ho Jeon, Song Je Jeon, Jin Woo Kim
  • Patent number: 11853419
    Abstract: A method for preventing side-channel attack according to an embodiment includes generating an order table which includes a position index value for each bit value of a bit string that is secret information to be generated through a decryption algorithm of an Nth Degree Truncated Polynomial Ring Units (NTRU) LPRime algorithm, shuffling a sort order of the position index value for the each bit value in the order table based on a random number, determining a generation order for the each bit value according to the sort order of the position index value for the each bit value in the order table, and generating the secret information through the decryption algorithm. The secret information is generated by generating the each bit value according to the determined generation order.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: December 26, 2023
    Assignees: SAMSUNG SDS CO., LTD., Kookmin University Industry Academy Cooperation Foundation
    Inventors: Ji Hoon Kwon, Joo Hee Lee, Hyo Jin Yoon, Ji Hoon Cho, Dong Guk Han, Bo Yeon Sim, Il Ju Kim, Tae Ho Lee, Jae Seung Han
  • Publication number: 20230215983
    Abstract: A method for fabricating a light emitting element includes preparing a substrate, and forming a first semiconductor material layer, a light emitting material layer, a second semiconductor material layer and an electrode material layer on the substrate, forming semiconductor rods spaced apart from each other by etching the first semiconductor material layer, the light emitting material layer, the second semiconductor material layer and the electrode material layer in a direction perpendicular to an upper surface of the substrate, forming an insulating layer surrounding sides of the semiconductor rods through a sol-gel process by immersing the substrate, including the semiconductor rods, in a solution containing a precursor material, and forming light emitting elements by separating the semiconductor rods, including the insulating layer, from the substrate, and the light emitting elements have an external quantum efficiency of 20.2±0.6%.
    Type: Application
    Filed: January 6, 2023
    Publication date: July 6, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Mi Hyang SHEEN, Yun Hyuk KO, Dong Uk KIM, Na Ri AHN, Chang Hee LEE, Do Hyung KIM, Ran KIM, In Pyo KIM, Ki Young YEON, Je Won YOO, Joo Hee LEE, Sang Ho JEON, Jung Woon JUNG, Chan Woo JOO, Jin Young CHOI, Na Mi HONG, Jong Il KIM, Jin Ho BYUN, Sang Ho OH, Jae Kwang LEE, Yong Seok CHOI, Jong Hoon HA
  • Publication number: 20230174964
    Abstract: The present disclosure relates to a novel serine protease variant.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 8, 2023
    Inventors: Joo Hee LEE, A-Ra CHO, Chang Jun JI
  • Publication number: 20230041011
    Abstract: A capacitor component includes: a body including a dielectric layer and an internal electrode layer; and an external electrode disposed on the body, and connected to the internal electrode layer. A surface color of the body is R?30, G?30, B?40 based on R/G/B, and a dielectric constant of the dielectric layer is 2000 or more and 4000 or less.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 9, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seok Hyun Yoon, Joo Hee Lee, In Ho Jeon, Song Je Jeon, Jin Woo Kim
  • Patent number: 11563577
    Abstract: Disclosed are a calculation device for encryption using a public key and an encryption method thereof. The present method comprises: a step for setting a secret key, and generating a public key using the secret key and an error extracted from a discrete Gaussian distribution or a distribution that is within a short statistical distance thereto; and a step for applying the public key to a message, and then performing a rounding process to encrypt the message. Accordingly, encryption efficiency can be enhanced.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: January 24, 2023
    Assignee: Crypto Lab Inc.
    Inventors: Jung Hee Cheon, Joo Hee Lee
  • Patent number: 11558171
    Abstract: A method for encryption according to an embodiment includes generating a ciphertext for a secret key that is an integer vector by using an integer-based first homomorphic encryption algorithm, generating a key stream that is the integer vector from a nonce and the secret key by using a key stream generator, encoding the key stream by using a message encoding function of the first homomorphic encryption algorithm, encoding a message that is a real vector by using a message encoding function of a real number-based second homomorphic encryption algorithm, generating a ciphertext for the message by using a result of the encoding of the key stream and a result of the encoding of the message, and transmitting the nonce, the ciphertext for the secret key, and the ciphertext for the message to an apparatus for converting a ciphertext.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: January 17, 2023
    Assignees: SAMSUNG SDS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Joo Hee Lee, Duk Jae Moon, Hyo Jin Yoon, Ji Hoon Cho, Eun Kyung Kim, Seong Kwang Kim, Joo Young Lee, Jin Cheol Ha, Won Seok Choi
  • Publication number: 20220411774
    Abstract: The present disclosure provides a novel serine protease variant.
    Type: Application
    Filed: November 25, 2020
    Publication date: December 29, 2022
    Inventors: Joo Hee LEE, Jinwoo SUNG, Jong-cheol SEOK, Ji Hyun LEE, Se Hoon SIM, Imsang LEE
  • Publication number: 20220384673
    Abstract: A method for manufacturing a light emitting element includes forming a first semiconductor structure including a first semiconductor layer doped with a first conductivity type dopant disposed on a base substrate, a light emitting layer disposed on the first semiconductor layer, and a second semiconductor layer disposed on the light emitting layer and doped with a second conductivity type dopant; forming a second semiconductor structure spaced apart from another second semiconductor structure on the base substrate by etching the first semiconductor structure in a direction perpendicular to a surface of the base substrate; and activating a second conductivity type dopant in the second semiconductor layer of the second semiconductor structure to form a light emitting element core.
    Type: Application
    Filed: January 20, 2022
    Publication date: December 1, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Song Chae, Joo Hee Lee, Jin Hyuk Jang, Sang Ho Jeon, Si Sung Kim, Dong Eon Lee, Hyung Seok Kim, Jong Jin Lee
  • Publication number: 20220375688
    Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body and connected to the internal electrode, wherein the dielectric layer includes first and second grains, wherein the first grain has a core-shell structure including a shell having an atomic ratio of 2*Sn/(Ba+Ti+Sn) or 2*Hf/(Ba+Ti+Hf) to be 1.0% or more and 5.0% or less, and a core having an atomic ratio of 2*Sn/(Ba+Ti+Sn) and 2*Hf/(Ba+Ti+Hf) to be less than 1.0%, and the second grain has an atomic ratio of 2*Sn/(Ba+Ti+Sn) and 2*Hf/(Ba+Ti+Hf) to be less than 1.0%, and wherein an area occupied by the first grain in an entire area of the first and second grains is 28.3-82.3%.
    Type: Application
    Filed: November 10, 2021
    Publication date: November 24, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seok Hyun YOON, Jin Woo KIM, In Ho JEON, Joo Hee LEE
  • Publication number: 20220368518
    Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.
    Type: Application
    Filed: October 29, 2021
    Publication date: November 17, 2022
    Inventors: Joo Hee Lee, Duk Jae Moon, Hyo Jin Yoon, Ji Hoon Cho, Seong Kwang Kim, Joo Young Lee, Jin Cheol Ha
  • Patent number: 11384370
    Abstract: The present disclosure relates to a microorganism for producing a mycosporine-like amino acid, and a method for producing a mycosporine-like amino acid using the microorganism. The microorganism of the present disclosure shows an improved ability for producing a mycosporine-like amino acid and thus can be effectively used in the production of a mycosporine-like amino acid.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: July 12, 2022
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Sol Kim, Kyusung Lee, Joo Hee Lee, Jong-cheol Seok, Jae Woo Jang
  • Publication number: 20220167846
    Abstract: A wireless communication system has a sensor configured to detect a signal indicative of a parameter and generate sensor data as a measurement of the parameter. The sensor has a wireless communication unit configured to wirelessly transmit the sensor data over a network. The wireless communication system also has operational equipment having a central processing unit for processing data and a connection adapter configured to cause the operational equipment to receive the sensor data from the network. The connection adapter comprises a key for enabling the operational equipment to identify the sensor data.
    Type: Application
    Filed: March 23, 2020
    Publication date: June 2, 2022
    Applicant: SIBEL INC.
    Inventors: Jong Yoon LEE, Joo Hee LEE, Ha Uk CHUNG, Dennis RYU, Shuai XU
  • Patent number: 11329799
    Abstract: An encryption method includes: calculating a second random matrix using a first random matrix and a secret key, and generating a ciphertext corresponding to a message using the second random matrix. The generating of the ciphertext includes: performing a rounding process for sending the generated ciphertext to a smaller modulus area. The generating of the ciphertext includes performing message encryption without Gaussian sampling.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: May 10, 2022
    Assignee: Crypto Lab Inc.
    Inventors: Jung Hee Cheon, Joo Hee Lee
  • Patent number: 11329798
    Abstract: An apparatus for set intersection operation according to an embodiment includes a ciphertext acquisition unit configured to acquire a ciphertext for a first vector corresponding to a first subset of a universal set including a plurality of elements from an encryption apparatus, a transform unit configured to generate a second vector corresponding to a second subset of the universal set, a computation unit configured to generate a ciphertext for a third vector corresponding to an intersection of the first subset and the second subset, based on the ciphertext for the first vector and the second vector, and a ciphertext providing unit configured to provides the ciphertext for the third vector to the encryption apparatus.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 10, 2022
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Jin Hyuck Jeong, Joo Hee Lee, Eun Kyung Kim, Kyu Young Choi, Duk Jae Moon, Hyo Jin Yoon