Patents by Inventor Sang-Won Lee

Sang-Won 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: 20230236158
    Abstract: Disclosed are a mutually independent dual online liquid chromatography device and a control method thereof.
    Type: Application
    Filed: January 20, 2023
    Publication date: July 27, 2023
    Applicants: Korea University Research and Business Foundation, BERTIS INC.
    Inventors: Sang-Won LEE, Chaewon KANG
  • Publication number: 20230215348
    Abstract: A pixel circuit, a method of driving a pixel circuit and a display panel. The pixel circuit (10) includes: a drive circuit (100), a data writing circuit (200), a compensation circuit (300), and a light emitting element (500). The drive circuit (100) includes a control terminal (130), a first terminal (110) and a second terminal (120), and is configured to control a drive current flowing through the first terminal (110) and the second terminal (120) for driving the light emitting element (500) to emit light. The data writing circuit (200) is configured to write a data signal to a first terminal (110) of the drive circuit (100) in response to a first scanning signal. The compensation circuit (300) is configured to store a data signal written by the data writing circuit (200) and compensate the drive circuit (100) in response to a second scanning signal.
    Type: Application
    Filed: March 10, 2023
    Publication date: July 6, 2023
    Inventors: Sang Won LEE, Yidan ZHU
  • Publication number: 20230202447
    Abstract: A method of removing foreign objects from a brake device includes determining whether starting power is turned off in a state in which leakage of a hydraulic circuit is confirmed; and operating, while the starting power is turned off, a main master cylinder using standby power, and performing a foreign object removal mode in which hydraulic pressure is applied to a plurality of hydraulic regulating valves in the hydraulic circuit and released.
    Type: Application
    Filed: May 23, 2022
    Publication date: June 29, 2023
    Inventors: Sang Won Lee, Won Jun Hwang
  • Patent number: 11683629
    Abstract: Provided is an eartip which stably fixes a position of an earphone and includes a body part that has a hollow cylinder structure corresponding to an outer circumferential surface of the earphone, having a binding groove recessed to a predetermined depth in an annular structure along an inner circumferential surface of the body part, and being made of a first material, an upper end connection part that is formed in an integrated structure with an upper end of the body part, and a lower end formation part that is formed in an integrated structure from a lower end of the umbrella structure formation part, has a hollow cylinder structure extending downward to a predetermined height while surrounding the outer circumferential surface of the body part and spaced a predetermined distance from the outer circumferential surface of the body part.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: June 20, 2023
    Assignee: AZLA Inc.
    Inventor: Sang Won Lee
  • Publication number: 20230181035
    Abstract: The present invention relates to a syringe-injection-type brain signal measurement and stimulation structure, and a syringe injection method therefor, and provides a structure including a high-performance flexible element capable of minimizing a skull opening when inserted into the brain.
    Type: Application
    Filed: February 8, 2023
    Publication date: June 15, 2023
    Inventors: Sung Gu YANG, Sang Won Lee, Sung Won Park, Jong Hyun Ahn, Young Cheol Chae, Je Jung Kim
  • Publication number: 20230187285
    Abstract: A method of manufacturing a semiconductor package includes estimating an error in a solder ball attaching process, determining a specification of a ball tool and a method of the solder ball attaching process, based on the estimated error, manufacturing the ball tool according to the determined specification thereof, and performing the solder ball attaching process based on the method of the solder ball attaching process. The determining of the specification of the ball tool and the method of the solder ball attaching process includes determining a number of a plurality of holders in the ball tool and a position and a width of each of the plurality of holders, determining a number of a plurality of working regions of a substrate and a position and a width of each of the plurality of working regions, and dividing a substrate into the plurality of working regions.
    Type: Application
    Filed: August 8, 2022
    Publication date: June 15, 2023
    Inventors: SANG-WON LEE, HYUNKI KIM, YOUNG-JA KIM, HYUNGGIL BAEK
  • Patent number: 11663850
    Abstract: The disclosure facilitates fingerprint recognition, user authentication, and prevention of loss of control of personal information and identity theft. The disclosure also facilitates identifying spoofed fingerprint authentication attempts, and/or securing user touch sensitive devices against spoofed fingerprint authentication attempts.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: May 30, 2023
    Assignee: Qeexo, Co.
    Inventors: Yanfei Chen, Hasan. M. Masoud Smeir, Rajen Bhatt, Christopher Harrison, Sang Won Lee
  • Patent number: 11663170
    Abstract: A method for interconnecting data between a plurality of blockchain networks according to an embodiment of the present invention includes receiving a request of an interconnecting transaction for interconnecting data between a plurality of blockchain networks, querying information of an ongoing or scheduled transaction through the plurality of blockchain networks in response to the request, and selectively determining any one of a plurality of interconnecting schemes as an interconnecting scheme of the interconnecting transaction with reference to the queried information, and performing the interconnecting transaction according to the determined interconnecting scheme.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: May 30, 2023
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Young Woon Kwon, Jung Woo Cho, Hwa Yong Oh, Han Saem Seo, Sang Won Lee
  • Patent number: 11659194
    Abstract: A method of adjusting a bitrate of an image based includes: identifying magnitudes of one or more frequency components in the image; determining a frequency filter based on a difference between a current bitrate and a target bitrate of the image such that the greater is the difference between the current bitrate and the target bitrate, magnitudes of the more high frequency components are reduced by the frequency filter; and applying the determined frequency filter to the magnitudes of the one or more frequency components.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: May 23, 2023
    Assignee: Hanwha Techwin Co., Ltd.
    Inventors: Young Seo Park, Sang Won Lee, Yun Seok Kwon
  • Publication number: 20230145246
    Abstract: There is a stack visualization method using a stack visualization apparatus including a deposition head. The method comprises collecting a moving speed of the deposition head; collecting laser power information of the deposition head by which a laser is irradiated to a stack; selecting a virtual stack corresponding to the moving speed of the deposition head and the laser power information among a plurality of previously stored virtual stacks based on the moving speed of the deposition head and the laser power information; and visualizing the selected virtual stack through a digital twin model.
    Type: Application
    Filed: November 8, 2022
    Publication date: May 11, 2023
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Sang Won LEE, Hyewon SHIN, Young Woon CHOI, Su Jong KIM, Jiho LEE
  • Publication number: 20230120252
    Abstract: A semiconductor package may include; a first substrate, a first semiconductor chip disposed on the first substrate, an interposer disposed on the first semiconductor chip, a connecter spaced apart from the first semiconductor chip in a first horizontal direction and extending between the first substrate and the interposer, wherein the connecter directly electrically connects the first substrate and the interposer, a capacitor disposed between the connecter and the first semiconductor chip, and a guide pattern including a first guide portion and an opposing second guide portion spaced apart in the first horizontal direction, wherein the first guide portion is disposed between the connecter and the capacitor, the second guide portion is disposed between the capacitor and the first semiconductor chip, and at least part of the capacitor is inserted between the first guide portion and the second guide portion.
    Type: Application
    Filed: May 3, 2022
    Publication date: April 20, 2023
    Inventors: TAE HWAN KIM, HYUNG GIL BAEK, YOUNG-JA KIM, KANG GYUNE LEE, SANG-WON LEE, YONG KWAN LEE
  • Publication number: 20230118916
    Abstract: The present invention provides a device and a method for processing gold leaf to make the gold leaf float on a tea, beverage, alcohol, or the like to be suitable to drink. To this end, provided is a gold leaf processing device and a gold leaf processing method. The gold leaf processing device separates gold leaf from a gold leaf fabric having a first base material attached thereto, and attaches the separated gold leaf to a second base material, the gold leaf processing device comprising: a gold leaf attaching part which dips the gold leaf fabric in an aqueous solution to allow the first base material to be sunk and separated from the gold leaf, and attaches the second base material to the gold leaf remaining, in a floating state, on the surface of the aqueous solution; and a gold leaf fabric transfer part which transfers the gold leaf fabric to the gold leaf attaching part.
    Type: Application
    Filed: August 10, 2020
    Publication date: April 20, 2023
    Inventors: Sang Won LEE, Myung Won LEE
  • Patent number: 11631369
    Abstract: A pixel circuit, a method of driving a pixel circuit and a display panel. The pixel circuit (10) includes: a drive circuit (100), a data writing circuit (200), a compensation circuit (300), and a light emitting element (500). The drive circuit (100) includes a control terminal (130), a first terminal (110) and a second terminal (120), and is configured to control a drive current flowing through the first terminal (110) and the second terminal (120) for driving the light emitting element (500) to emit light. The data writing circuit (200) is configured to write a data signal to a first terminal (110) of the drive circuit (100) in response to a first scanning signal. The compensation circuit (300) is configured to store a data signal written by the data writing circuit (200) and compensate the drive circuit (100) in response to a second scanning signal.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: April 18, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Sang Won Lee, Yidan Zhu
  • Patent number: 11631519
    Abstract: Disclosed is a magnetic core having improved reliability. The magnetic core includes 37 to 44 mol % of manganese (Mn), 9 to 16 mol % of zinc (Zn), 42 to 52 mol % of iron (Fe), a magnetic additive, and a non-magnetic additive, wherein the magnetic core has a permeability of 2,900 or more and a core loss of 500 mW/cm3 or less.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: April 18, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hyun Ji Lee, Deok Hyeon Kim, Sang Won Lee
  • Publication number: 20230110934
    Abstract: An image generating device includes a support unit configured to support an object, an irradiation unit configured to irradiate the object disposed on the support unit with light, a light receiving unit configured to receive light returning from the object disposed on the support unit, and a control unit configured to generate a light irradiation signal for controlling the irradiation unit and a light-receiving region driving signal for controlling the light receiving unit, wherein the irradiation unit includes a first irradiation unit for irradiating a first region of the object with light and a second irradiation unit for irradiating a second region of the object with light, the light receiving unit includes a first light-receiving region and a second light-receiving region, the first light-receiving region and the second light-receiving region each include a plurality of pixels and are disposed at different positions on the light receiving unit.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 13, 2023
    Applicant: SUPREMA ID INC.
    Inventors: Su Yoel PARK, Byung Dai HYUN, Byoung Joon JANG, Jae Eun JO, Bo Gun PARK, Sang Won LEE
  • Publication number: 20230110864
    Abstract: The present disclosure relates to a steel and a method for manufacturing the steel. Specifically, the present disclosure is characterized by providing a method for providing optimal alloy components that can reduce carburizing thermal deformation by reducing contents of Cr and Mo elements compared to the existing ones, and improving the physical property with fatigue resistance of a carburized steel by adjusting a rolling thermal treatment temperature, a carburizing thermal treatment condition, and the like to increase a fraction of a fine MX precipitate and improve a precipitation strengthening effect.
    Type: Application
    Filed: September 30, 2022
    Publication date: April 13, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI STEEL COMPANY
    Inventors: In Beom Lee, Min Woo Kang, Chang Won Kang, Dong Hwi Kim, Sung Min Hong, Seung Nam Gung, Sang Won Lee
  • Patent number: 11610719
    Abstract: An embodiment provides a magnetic core comprising a first powder and a second powder, wherein the hardness of the first powder is lower than that of the second powder, and the volume of the first powder is 40% to 60% with respect to the combined volume of the first powder and the second powder.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: March 21, 2023
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jai Hoon Yeom, Hyun Min Nah, Seok Bae, Sang Won Lee, Hyun Ji Lee
  • Publication number: 20230062630
    Abstract: The present disclosure relates to a touch recognition method and device having a lidar sensor, and an objective of the present disclosure is to recognize a touch and determine the motion of a touch by using the lidar sensor.
    Type: Application
    Filed: February 16, 2021
    Publication date: March 2, 2023
    Applicant: PIXELSCOPE INC.
    Inventors: Gee Hwan KWON, Kyung Mo KOO, Sang Won LEE
  • Publication number: 20230035906
    Abstract: A method of fabricating a display device includes preparing a display panel including a main display area, a first edge area, a second edge area, a third edge area, a fourth edge area, a driving chip, and a printed circuit film; and disposing the display panel on a guide film, which is provided on a shaping pad. The guide film includes a main film portion which overlaps with the main display area, a first film portion, a second film portion, a third film portion, a fourth film portion, and a first ultraviolet absorption pattern which is attached to the fourth film portion.
    Type: Application
    Filed: October 11, 2022
    Publication date: February 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Won LEE, Jong Deok PARK
  • Patent number: 11569990
    Abstract: A blockchain-based data distribution management method according to an embodiment is performed by a computing device. The method includes generating a plurality of shards by fragmenting a first information, requesting a first block event for distributed storage of the plurality of shards in a plurality of off-chain storages to a blockchain network, and transmitting the plurality of shards to the plurality of off-chain storages, wherein a second information indicating a history of the plurality of shards distributed and stored in the plurality of off-chain storages is recorded in the blockchain network through the first block event, wherein when a predetermined number or more of shards among the plurality of shards are collected, the first information is restored from the collected predetermined number or more of shards.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Jung Eun Lee, Jun Tae Kim, Ji Won Kim, Sang Won Lee, Kyu Sang Lee