Patents by Inventor Seok Lee

Seok 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: 20240110010
    Abstract: The present invention relates to a method for producing a polyimide powder, particularly to a method for producing a polyimide powder, which includes a) preparing a dispersion by dispersing a dianhydride and a diamine in distilled water; and b) introducing the dispersion of step a) into a reactor and conducting the reaction at a stirring speed of 300 rpm or more under temperature and pressure conditions. In the present invention, it is possible to improve physical properties and control the particle size and dispersibility without additional processes by using water-based polymerization and controlling the stirring speed in the production process.
    Type: Application
    Filed: December 28, 2020
    Publication date: April 4, 2024
    Inventors: Ho Sung LEE, Ik Sang LEE, Jin Seok JEON
  • Publication number: 20240109923
    Abstract: Disclosed is a novel transition metal compound that exhibits excellent catalytic activity in polyethylene polymerization and is useful for preparing polyethylene having a high intramolecular short-chain branch content without deteriorating physical properties such as molecular weight, melting point, and density; a catalyst composition comprising the same; and a method for preparing polyethylene using the same.
    Type: Application
    Filed: July 16, 2021
    Publication date: April 4, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Insun LEE, Seok Hwan KIM, Byung Seok KIM, Yoonchul JUNG, Minyoung KANG, Seyoung KIM
  • Patent number: 11945421
    Abstract: Disclosed is an electronic brake system that includes a master cylinder unit including a master cylinder to which a master cylinder reservoir coupled to generate a hydraulic pressure, a hydraulic block provided with a hydraulic pressure supply device to generate the hydraulic pressure by an electrical signal outputted in response to a displacement of a brake pedal and a hydraulic control unit to transmit the hydraulic pressure discharged from the hydraulic pressure supply device to wheel cylinders provided in each wheel, and disposed to be separated from the master cylinder unit, a hydraulic block reservoir coupled to the hydraulic block, and a connection hose to connect the master cylinder reservoir and the hydraulic block reservoir.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: April 2, 2024
    Assignee: HL MANDO CORPORATION
    Inventor: Jin Seok Lee
  • Patent number: 11950502
    Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.
    Type: Grant
    Filed: April 17, 2021
    Date of Patent: April 2, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak Young Lee
  • Patent number: 11950522
    Abstract: A method for manufacturing an electronic device including a semiconductor memory may include forming a first carbon electrode material, surface-treating the first carbon electrode material to decrease a surface roughness of the first carbon electrode material, and forming a second carbon electrode material on the treated surface of the first carbon electrode material. The second carbon electrode material may have a thickness that is greater than a thickness of the first carbon electrode material.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: April 2, 2024
    Assignee: SK hynix Inc.
    Inventors: Myoung Sub Kim, Tae Hoon Kim, Beom Seok Lee, Seung Yun Lee, Hwan Jun Zang, Byung Jick Cho, Ji Sun Han
  • Patent number: 11947227
    Abstract: A display device includes a display panel including a first signal pad portion including first signal pads, a second signal pad portion including second signal pads, and a first dummy pad portion disposed between the first signal pad portion and the second signal pad portion and including at least one first dummy pad, and a flexible circuit board including a first terminal portion including first terminals, a second terminal portion including second terminals, and a first cut portion disposed between the first terminal portion and the second terminal portion. The flexible circuit board is compressed to the display panel. The first terminals are electrically connected to the first signal pads. The second terminals are electrically connected to the second signal pads. The first cut portion overlaps the first dummy pad portion.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ha Young Choi, Joong Mok Lee, Chung Seok Lee, Eun Jeong Jeon
  • Patent number: 11950008
    Abstract: Disclosed is an image sensing device including a first clock distributor suitable for receiving a first input dock signal through a first input terminal, and outputting a plurality of first output clock signals through a plurality of first output terminals, and a first conductive line coupled in common to the plurality of first output terminals.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: April 2, 2024
    Assignee: SK hynix Inc.
    Inventors: Jeong Eun Song, Min Seok Shin, Yu Jin Park, Sung Uk Seo, Sun Young Lee
  • Patent number: 11946125
    Abstract: A ferritic stainless steel with improved mechanical properties of weld zone is disclosed. The ferritic stainless steel includes, in percent (%) by weight of the entire composition, C: 0.005 to 0.02%, N: 0.005 to 0.02%, Cr: 11.0 to 13.0%, Ti: 0.16 to 0.3%, Nb: 0.1 to 0.3%, Al: 0.005 to 0.05%, the remainder of iron (Fe) and other inevitable impurities, and the ferritic stainless steel has a texture maximum strength of 30 or less in the {001} direction after welding.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: April 2, 2024
    Assignee: POSCO CO., LTD
    Inventors: Kye-Man Lee, Jae-Seok Park
  • Patent number: 11947289
    Abstract: An example image forming apparatus includes a main body, a printing engine to be disposed in the main body to form an image on a printing medium, a fixing apparatus including a fixing roller and a fixing belt disposed to face the fixing roller, and a jam prevention apparatus including a fixed frame disposed adjacent to the fixing apparatus, and a movable apparatus to be detachably fastened to the fixed frame through a plurality of adjusting screws, to adjust a gap with the fixing belt according to a fastening direction of the plurality of adjusting screws.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 2, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jin Seok Lee, Bong Hee Lee, Jin Yoon Kim
  • Patent number: 11950425
    Abstract: A mold structure includes gate electrodes stacked on a first substrate, a channel structure penetrating a first region of the mold structure to cross the gate electrodes, a first through structure penetrating a second region of the mold structure, and a second through structure penetrating a third region of the mold structure. The mold structure includes memory cell blocks extending in a first direction and spaced apart in a second direction, and a dummy block extending in the first direction and disposed between the memory cell blocks. Each of the memory cell and dummy blocks includes a cell region and an extension region arranged in the first direction. The first region is the cell region of one of the memory cell blocks, the second region is the extension region of the one of the memory cell blocks, and the third region is the extension region of the dummy block.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: April 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myung Hun Lee, Dong Ha Shin, Pan Suk Kwak, Dae Seok Byeon
  • Publication number: 20240107374
    Abstract: A method of a terminal may comprise: receiving a reference signal from a base station; generating channel information based on the reference signal; generating wavelet-transformed channel information by applying wavelet transform to the channel information; generating compressed channel information by compressing the wavelet-transformed channel information; and transmitting the compressed channel information to the base station.
    Type: Application
    Filed: September 22, 2023
    Publication date: March 28, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong Jin KWON, Han Jun PARK, An Seok LEE, Heesoo LEE, Yun Joo KIM, Hyun Seo PARK, Jung Bo SON, Yu Ro LEE
  • Publication number: 20240106031
    Abstract: A battery module of the present disclosure includes a plurality of cell stacks spaced apart from each other in a horizontal direction, a plurality of side walls disposed between the plurality of cell stacks and spaced apart from each other in the horizontal direction, and a plate accommodated in a hollow between the plurality of side walls. Each of the plurality of side walls includes a side hole connected to the hollow.
    Type: Application
    Filed: March 13, 2023
    Publication date: March 28, 2024
    Inventors: Won Seok JEONG, Hae Ryong JEON, Seung Dong LEE
  • Publication number: 20240107639
    Abstract: An embodiment of the present disclosure provides a thermal processing apparatus and an operation method thereof capable of controlling a heat distribution of a substrate at a low cost in a thermal processing process using a microwave. According to the present disclosure, a thermal processing apparatus includes a chamber that forms a thermal processing space of a substrate, a substrate support unit that is located at a lower portion of the thermal processing space and supports the substrate, and a microwave unit that is located at an upper portion of the thermal processing space and forms an electromagnetic field by the microwave in the thermal processing space.
    Type: Application
    Filed: May 31, 2023
    Publication date: March 28, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Han Lim KANG, Yoon Seok CHOI, Yun Sang KIM, Hyun Woo JO, Sang Jeong LEE
  • Publication number: 20240103809
    Abstract: Provided is a computation method of a memory processor configured to perform an operation between a first vector including first elements and a second vector including second elements, the first elements including respective first bits and the second elements including respective second bits, the method performed by the memory processor including: applying, to single-bit operation gates, the respective first bits and the respective second bits; obtaining bit operation result sum values for the respective first and second elements based on bit operation results obtained using the single-bit operation gates; and obtaining an operation result of the first vector and the second vector based on the bit operation result sum value.
    Type: Application
    Filed: April 26, 2023
    Publication date: March 28, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Jin CHANG, Soon-Wan KWON, Seok Ju YUN, Jaehyuk LEE, Sungmeen MYUNG, Daekun YOON
  • Publication number: 20240106030
    Abstract: Provided are a battery module for a secondary battery, and a battery pack including the battery module. In the battery module, battery cells are horizontally stacked.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 28, 2024
    Inventors: Young Sun Choi, Seung Hoon Ju, Ji Seok Lee
  • Publication number: 20240105102
    Abstract: A display device includes a pixel component including first pixels which emits light having a first color, and second pixels which emits light having a second color different from the first color, a sensing component which extracts, during a sensing period, first sensing data from the first pixels, and second sensing data from the second pixels, and a temperature determiner which senses a temperature of the pixel component using the first sensing data and the second sensing data. The temperature determiner senses, when the first sensing data is supplied to the temperature determiner, the temperature of the pixel component at least one time.
    Type: Application
    Filed: August 3, 2023
    Publication date: March 28, 2024
    Inventors: Sung Hoon BANG, Dong Ki EUN, Seung Ho PARK, Seok Gyu BAN, Wook LEE
  • Publication number: 20240107884
    Abstract: Provided is an organic light emitting device having improved driving voltage, efficiency and lifetime, the device comprising: an anode; a cathode; and a light emitting layer therebetween, wherein the light emitting layer comprises a compound of Chemical Formula 1 and a compound of Chemical Formula 2: wherein: any one of R?1 to R?12 is Chemical Formula 3, and the rest are hydrogen or deuterium: R1 is hydrogen, deuterium, or a substituted or unsubstituted C6-30 aryl or C2-60 heteroaryl containing one or more of N, O and S; Ar1, Ar2, Ar?1, and Ar?2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; and the other substituents are as defined in the specification.
    Type: Application
    Filed: February 21, 2022
    Publication date: March 28, 2024
    Inventors: Minjun KIM, Dong Hoon LEE, Sang Duk SUH, Young Seok KIM, Donghee KIM, Joongsuk OH, Da Jung LEE
  • Publication number: 20240105972
    Abstract: The present invention relates to a fuel cell membrane humidifier capable of preventing a humidification efficiency decrease caused by the pressure difference between the inside and the outside of the membrane humidifier. The fuel cell membrane humidifier according to an embodiment of the present invention comprises: a middle case in which a module insertion part, including an outer partition wall formed spaced apart from an inner wall of the middle case, is formed; a cap case coupled to the middle case; a hollow fiber membrane module inserted into the module insertion part; and an active pressure buffer part that is formed between the middle case and the module insertion part and prevents the module insertion part from expanding due to the pressure difference between the inside and the outside of the middle case, or resolves the pressure difference, according to the output status of the fuel cell.
    Type: Application
    Filed: March 8, 2022
    Publication date: March 28, 2024
    Inventors: Young Seok OH, Ah Reum LEE, Ji Yoon LEE, Kyoung Ju KIM
  • Publication number: 20240106916
    Abstract: The present invention relates to a device and method for implementing dynamic-service-oriented communication between vehicle applications on an AUTomotive Open System ARchitecture (AUTOSAR) adaptive platform (AP). A machine including an electronic control unit (ECU) to which the portable operating system interface (POSIX) operating system (OS) is ported and implementing dynamic-service-oriented communication between vehicle applications on an AUTOSAR AP includes a skeleton which is an application for providing a service on the platform, a proxy which is an application using the service on the platform, and a service communication management (CM) which is an application for brokering service-oriented communication between vehicle applications on the platform.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 28, 2024
    Applicant: POPCORNSAR CO., LTD.
    Inventors: Yun Ki CHOI, Yong Ho LEE, Won Seok CHOI, Kap Hyun KIM
  • Publication number: 20240106048
    Abstract: An eco-friendly power source, such as a battery module for a transportation vehicle includes a plurality of battery cells each including an electrode assembly and an electrode tab protruding from the electrode assembly, and a bus bar assembly coupled to the electrode tabs and connecting the plurality of battery cells. The bus bar assembly includes a main frame having a slit into which the electrode tab is inserted, a bus bar positioned on an outer surface of the main frame and electrically connected to the electrode tab, a plurality of inner frames facing an inner surface of the main frame and spaced apart from each other in a direction in which the battery cells are stacked, and a venting induction portion formed in a concave shape toward the electrode assembly and formed at an upper end portion of at least one of the plurality of inner frames.
    Type: Application
    Filed: May 17, 2023
    Publication date: March 28, 2024
    Inventors: Bon Seok KU, Tae Gu LEE