Patents by Inventor Sang-Yoon Lee

Sang-Yoon 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: 20220299691
    Abstract: A polarizing plate and an optical display apparatus including the same. The polarizing plate includes: a polarizer; and a laminate of a first retardation layer and a second retardation layer, and a third retardation layer sequentially stacked on a lower surface of the polarizer, wherein the first retardation layer may have a slow axis tilted at an angle of +40° to +50° or at an angle of ?50° to ?40° with respect to an absorption axis or a transmission axis of the polarizer, the slow axis of the first retardation layer is tilted at an angle of +80° to +100° or at an angle of ?100° to ?80° with respect to a slow axis of the second retardation layer, the first retardation layer exhibits positive wavelength dispersion and has an in-plane retardation of 50 nm to 100 nm at a wavelength of 550 nm, and the second retardation layer has positive wavelength dispersion or flat wavelength dispersion and an in-plane retardation of 180 nm to 240 nm at a wavelength of 550 nm.
    Type: Application
    Filed: August 13, 2020
    Publication date: September 22, 2022
    Inventors: Sang Hum LEE, Jun Mo KOO, Bong Choon KIM, Jung Hun YOU, Dong Yoon SHIN
  • Patent number: 11449544
    Abstract: Disclosed herein is a video search device comprising: at least one processor configured to implement an updating unit generating event object information based on feature information on an object detected in a video; and a storage configured to store comparison object information containing feature information on a reference object, wherein the processor is further configured to implement: an object information generating/deleting unit configured to create information on an object having a predetermined degree of similarity between the event object information and the comparison object information as final object information, and storing the final object information in the storage; and a data searching unit searching the final object information for data that satisfies a search criterion entered by a user.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: September 20, 2022
    Assignee: HANWHA TECHWIN CO., LTD.
    Inventors: Jae Won Choi, Jeong Hun Lee, Kye Won Kim, Ji Man Kim, Sang Wook Lee, Jong Hyeok Lee, Jae Woon Byun, Ho Jung Lee, Jin Hyuk Choi, Sweung Won Cheung, Yeon Woo Kim, Jin Yoon
  • Publication number: 20220292137
    Abstract: The present invention relates to a method for processing a knowledge graph in a data processing apparatus, comprising the steps of: (a) creating a knowledge graph including a taxonomy graph for a classification system of information objects and an entity graph for a relationship between specific information object instances; (b) updating the knowledge graph by reflecting the information objects extracted from a database in the knowledge graph; and (c) inferring the relevance of a random information object by using the updated knowledge graph.
    Type: Application
    Filed: January 30, 2020
    Publication date: September 15, 2022
    Inventors: Sang Duk SUH, Changhoon YOON, Seung Hyeon LEE
  • Patent number: 11441202
    Abstract: The present disclosure provides a wire rod for cold heading that can shorten the spheroidizing heat treatment time, processed products using the same, and manufacturing method thereof. A wire rod for cold heading according to an embodiment of present disclosure includes, in percent (%) by weight of the entire composition, C: 0.15 to 0.5%, Si: 0.1 to 0.4%, Mn: 0.3 to 1.5%, Cr: 0.1 to 1.5%, Al: 0.02 to 0.05%, N: 0.004 to 0.02%, at least one selected from the group consisting of Nb: 0.001 to 0.03%, V: 0.01 to 0.3%, Mo: 0.01 to 0.5%, Ti: 0.001 to 0.03%, and the remainder of iron (Fe) and other inevitable impurities, and the microstructure has a long and short axis ratio of cementite present in pearlite colonies of 200:1 or less.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 13, 2022
    Assignee: POSCO
    Inventors: Jae Seung Lee, Han Hwi Kim, In-Gyu Park, Byoung Gab Lee, Sang-Yoon Lee
  • Publication number: 20220281666
    Abstract: A container includes a container portion having a storage space in which contents are stored, a spout coupled to the container portion and through which the contents in the container portion are discharged, and a nozzle configured to discharge the contents in fixed amounts, wherein the contents enter the nozzle from the head portion, and the spout and the nozzle are integrally formed.
    Type: Application
    Filed: March 2, 2022
    Publication date: September 8, 2022
    Inventors: Chang Soo LEE, Sang In HAN, Hye Jin JUNG, Hee Yoon KIM
  • Publication number: 20220281663
    Abstract: Provided is a container including a container portion configured to form a storage space in which contents are stored, a head portion disposed at an upper side of the container portion and configured to promote discharge of the contents, which enter the head portion from the container portion, through an internal pressure change caused by a pressing portion which is formed at one side of the head portion and made of an elastic material, and a nozzle configured to discharge the contents, which enter the nozzle from the head portion, in fixed amounts.
    Type: Application
    Filed: July 8, 2021
    Publication date: September 8, 2022
    Inventors: Chang Soo Lee, Sang In HAN, Hye Jin JUNG, Hee Yoon KIM
  • Publication number: 20220282018
    Abstract: A thermoplastic elastomer composition includes about 80 parts by weight of an ethylene propylene diene monomer (EPDM) including 5-ethylidene-2-norbornene (ENB) and polyethylene, about 30 parts by weight to about 70 parts by weight of polypropylene, about 20 parts by weight to about 40 parts by weight of a filler, and about 60 parts by weight to about 90 parts by weight of a plasticizer.
    Type: Application
    Filed: November 22, 2021
    Publication date: September 8, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, HWASEUNG Material Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Sang Hyun LEE, JeeHoon SEONG, Ho Dong KIM, Jonghwan SUHR, Bumyong YOON, Seunghyun CHO, Kyoung-Min HONG, Sang Hyun LEE
  • Publication number: 20220276424
    Abstract: Provided is a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a stack body of a first phase difference layer and a second phase difference layer stacked on a lower surface of the polarizer, wherein the first phase difference layer satisfies Equation 1, the second phase difference layer satisfies Equation 2, the sum of an in-plane phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about 100 nm to about 110 nm, the sum of a thickness direction phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about ?30 nm to about +10 nm, and the second phase difference layer comprises a fluorine-based phase difference layer.
    Type: Application
    Filed: August 7, 2020
    Publication date: September 1, 2022
    Inventors: Jun Mo KOO, Bong Choon KIM, Dong Yoon SHIN, Jung Hun YOU, Sang Hum LEE
  • Publication number: 20220252773
    Abstract: A polarizing plate and a display apparatus including the same. The polarizing plate includes: a polarizer and a protective film stacked at least on one surface of the polarizer, wherein the polarizing plate includes at least a depolarization region in an in-plane direction thereof, and the depolarization region has a maximum absorbance of 0.5 to 1.5 in the wavelength range of 380 nm to 420 nm and a light transmittance ratio (ratio of light transmittance at a wavelength of 590 nm to light transmittance at a wavelength of 400 nm) of 1 to 2.
    Type: Application
    Filed: July 17, 2020
    Publication date: August 11, 2022
    Inventors: Jung Hun YOU, Bong Choon KIM, Sang Hum LEE, Jun Mo KOO, Dong Yoon SHIN
  • Patent number: 11411360
    Abstract: The present invention relates to a connection having a joint with a limited range of motion, the connector including: a connection connector including a connection signal pin, a connection dielectric surrounding the connection signal pin, and a connection ground electrically insulated from the connection signal pin by the connection dielectric; and a first fixed connector into which one side of the connection connector is inserted and which allows a joint of the connection connector to move on the basis of the inserted one side of the connection connector, wherein the connection ground includes a connection protruding portion formed so that one end of the connection ground protrudes outward, a connection limiting portion which is adjacent to the connection protruding portion, has a thickness smaller than a thickness of the connection protruding portion, and comes in contact with an inner side of the first fixed connector to limit a range of motion of the joint of the connection connector, a connection elastic
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: August 9, 2022
    Assignee: GIGALANE CO., LTD.
    Inventors: Kyung Hun Jung, Sun Hwa Cha, Hwa Yoon Song, Chang Hyun Yang, Jae Jun Lee, Sang Min Seo, Hee seok Jung
  • Patent number: 11404654
    Abstract: Provided is a compound of Chemical Formula 1: wherein: among X1 to X4, one of X1 and X2, X2 and X3, or X3 and X4 are linked with * in the following Chemical Formula 2, and of the remaining two, one is hydrogen, and the other is R3: R1 and R2 are each independently hydrogen, deuterium, halogen, cyano, amino, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkoxy, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C2-60 alkenyl, a substituted or unsubstituted C6-60 aryl, a substituted or unsubstituted C6-60 aryloxy, or a substituted or unsubstituted C2-60 heterocyclic group containing one or more heteroatoms selected from the group consisting of N, O and S; one of R3 is hydrogen, and the other is —Si(R4)(R5)(R6), R4 to R6 are each independently hydrogen, deuterium, cyano, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubst
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: August 2, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Seoyeon Kim, Tae Yoon Park, Sang Young Jeon, Dong Hoon Lee, Jungha Lee, Hyeon Soo Jeon
  • Patent number: 11392571
    Abstract: A key-value storage device includes a non-volatile memory and a controller. The key-value storage device is configured to communicate with a host and includes a controller and a non-volatile memory. The controller is configured to receive, from the host, a first command including a key, a first chunk among multiple chunks included in a value corresponding to the key, and a first chunk index corresponding to the first chunk. The controller is configured to store mapping information of the first chunk in a mapping table based on the key and the first chunk index. The non-volatile memory is configured to store the key and the first chunk based on the mapping information.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: July 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Je-Kyeom Jeon, Jae-Ju Kim, Dong-Ju Roh, Sang-Yoon Oh, Byung-Ki Lee, Sung-Kug Cho
  • Patent number: 11390135
    Abstract: A thermal management system for a vehicle is provided. The system includes an interior air conditioning apparatus and a chiller that exchanges heat between first refrigerant and second refrigerant. A first line guides the first refrigerant to be circulated sequentially through a chiller, a high-voltage battery cooling core and a heating, ventilating and air conditioning (HVAC) core. A second line guides the second refrigerant to be circulated sequentially through a compressor, a condenser and the chiller. A controller operates the blower, a first pump and the compressor based on an exterior temperature of the vehicle and whether interior air conditioning is necessary, when cooling of the high-voltage battery is necessary.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: July 19, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Shin Lee, Man Ju Oh, So Yoon Park, Jae Woong Kim, So La Chung
  • Publication number: 20220223770
    Abstract: An optical display device having a backplane substrate and a cover plate adjacent to and spaced apart from the backplane substrate is provided. The backplane substrate can include a plurality of electroluminescent elements disposed thereon and the cover plate can include a plurality of light absorbing wedge-shaped features arranged in rows thereon.
    Type: Application
    Filed: May 15, 2020
    Publication date: July 14, 2022
    Inventors: Sang-cheol Jung, Dae youn Kim, Goo Soo Lee, Kyung-jin Lee, Dong Keun Shin, Hong Yoon
  • Publication number: 20220207930
    Abstract: An autonomous driving recorder and an operation method thereof, may include a storage including a secure world, an authenticator that stores an authentication key, and a data logger that writes information related to a running state of a vehicle during autonomous driving. The data logger accesses the secure world using the authentication key and writes data associated with a trigger signal among the information related to the running state in the secure world.
    Type: Application
    Filed: July 30, 2021
    Publication date: June 30, 2022
    Inventors: Byung Guk KIM, Ho Choul JUNG, Kyu Baek JUNG, Sung Mo DONG, Sang Hoon LEE, Jong Yoon YEE
  • Patent number: 11367299
    Abstract: A fingerprint generator capable of applying a constant force includes: a base plate in which a target surface may be on an upper surface of the base plate; a fingerprint mounting unit that is apart from the upper surface of the base plate and capable of mounting a fingerprint molding body having a fingerprint shape thereon on a lower portion of the fingerprint mounting unit; a driving unit that is apart from the upper surface of the base plate and capable of moving the fingerprint mounting unit up and down; and a force measuring unit configured to measure an impact force when the fingerprint mounting unit descends and contacts the fingerprint shape with the target surface to generate a fingerprint on the target surface.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: June 21, 2022
    Assignee: REPUBLIC OF KOREA (NATIONAL FORENSIC SERVICE DIRECTOR MINISTRY OF THE INTERIOR AND SAFETY)
    Inventors: Nam Kyu Park, Byung Seon Moon, Jae Mo Goh, Jin Pyo Kim, Young Il Seo, Eun Ah Joo, Je Hyun Lee, Sang Yoon Lee
  • Publication number: 20220186959
    Abstract: A hygiene management device for an entrance hall and a control method of the same are proposed. The hygiene management device may be installed in the space of the entrance hall, and when the opening of an entrance door is detected, air is discharged toward the entrance door by tilting an air discharger toward the entrance door, and when the closing of the entrance door is detected, the air discharger is tilted to a preset initial position to stop the discharging of air. Accordingly, during the opening of the entrance door, the introduction of external air into the space of the entrance hall may be minimized.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 16, 2022
    Applicant: LG ELECTRONICS INC.
    Inventors: Taihong Kim, Hyunbyung Cha, Hyunsun Yoo, Joohyeon Oh, Byoungjoonphilip Han, Sang Yoon Lee, HyunJu Kim, Chul Bae Lee
  • Publication number: 20220184266
    Abstract: A hygiene management device for an entrance hall includes a footrest located on the bottom of an entrance space to introduce air to the footrest and may transmit the air to an air management module. In the air management module, the air may be purified and the temperature thereof may be preset. The air may be flown through a duct by a fan assembly. The air flowing through the duct may pass through a second duct located at the ceiling of the entrance space and be transmitted to an air discharger. The air discharger may adjust directions to which discharge holes are directed such that air can be discharged to a person standing on the footrest in various directions, and the discharged air may be introduced into the footrest.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 16, 2022
    Applicant: LG ELECTRONICS INC.
    Inventors: Taihong Kim, Hyunbyung Cha, Hyunsun Yoo, Joohyeon Oh, Byoungjoonphilip Han, Sang Yoon Lee, HyunJu Kim, Chul Bae Lee
  • Publication number: 20220186958
    Abstract: A hygiene management device for an entrance hall includes a fan assembly which generates an air blowing force, a function module which provides a storage space, an air discharger which discharges air toward a person, and an opening/closing unit which selectively stops an air flow. Particularly, the opening/closing unit is configured such that air is supplied into at least one of the function module and a duct unit or simultaneously into both the function module and the duct unit.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 16, 2022
    Applicant: LG ELECTRONICS INC.
    Inventors: Taihong Kim, Hyunbyung Cha, Hyunsun Yoo, Joohyeon Oh, Byoungjoonphilip Han, Sang Yoon Lee, HyunJu Kim, Chul Bae Lee
  • Publication number: 20220186957
    Abstract: A hygiene management device for an entrance hall and the control method of the same are proposed. The hygiene management device may be installed in an entrance space, and when a person is detected at a preset position, distance between an air discharger and the person may be detected. When the detected distance is within a reference distance, air may be discharged. In addition, an air discharge condition suitable for a person may be preset, and when the person enters the entrance hall, the person's face may be detected, and air may be discharged to the person according to the air discharge condition preset for the person.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 16, 2022
    Applicant: LG ELECTRONICS INC.
    Inventors: Taihong Kim, Hyunbyung Cha, Hyunsun Yoo, Joohyeon Oh, Byoungjoonphilip Han, Sang Yoon Lee, HyunJu Kim, Chul Bae Lee