Patents by Inventor Kwang Park

Kwang Park 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: 20240128443
    Abstract: A silicon-carbon containing electrode material includes a porous carbon structure including pores, and a silicon-containing coating formed on the porous carbon structure. A volume ratio of mesopores is 70% or more based on a total pore volume of the porous carbon structure. A weight ratio of silicon is 30 wt % or more based on a total weight of the electrode material. A high-capacity secondary battery is effectively implemented by using silicon-carbon containing electrode material.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 18, 2024
    Inventors: Hee Soo KIM, Yeon Ho KIM, Young Kwang KIM, Young Eun CHEON, Gwi Ok PARK, Seok Keun YOO
  • Publication number: 20240128491
    Abstract: A lithium secondary battery, and a method of making the same, including a positive electrode, a separator and a negative electrode, in which the positive electrode includes a lithium composite transition metal compound including nickel (Ni) and cobalt (Co), the negative electrode includes a silicon-based active material and a carbon-based active material, the efficiency constants of the silicon-based active material and the carbon-based active material and the efficiency constant of the lithium composite transition metal compound satisfy an efficiency balance defined by Equation 1.
    Type: Application
    Filed: October 5, 2023
    Publication date: April 18, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Kyutae Park, Wonhee Jung, Minsoo Kim, Shulkee Kim, Lilin Piao, Sora Baek, Kwang Ho Yoo, Gyeongseop Lee
  • Publication number: 20240122037
    Abstract: A display device includes a substrate that includes a display area and a non-display area, a display element layer disposed on the display area of the substrate, an opposing substrate that faces the substrate and the display element layer, a sealing member disposed on the non-display area and that couples the substrate and the opposing substrate, and a filler disposed between the substrate and the opposing substrate. A thickness of the filler varies in the range of 60% to 400% of a thickness of the sealing member.
    Type: Application
    Filed: June 21, 2023
    Publication date: April 11, 2024
    Inventors: Jae Heung HA, Jong Woo KIM, So Young OH, Woo Suk JUNG, Hee Yeon PARK, Chang Yeong SONG, Jong Kwang YUN
  • Publication number: 20240113283
    Abstract: A negative electrode for a secondary battery, including: a current collector; a first negative electrode active material layer provided on the current collector; and a second negative electrode active material layer provided on the first negative electrode active material layer, in which at least one of the first and second negative electrode active material layers includes a lithium-substituted carboxymethyl cellulose, and the second negative electrode active material layers includes a silicon-based active material, and a secondary battery including the same.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 4, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Shulkee Kim, Gyeongseop Lee, Minsoo Kim, Kyutae Park, Lilin Piao, Sora Baek, Kwang Ho Yoo, Wonhee Jung
  • Publication number: 20240113284
    Abstract: A negative electrode for a secondary battery, including: a current collector; a first negative electrode active material layer provided on the current collector; and a second negative electrode active material layer provided on the first negative electrode active material layer, in which the first and second negative electrode active material layers include a silicon-based active material and natural graphite, the natural graphite has an average particle diameter (D50) of 10 ?m or less, and the OI (004/110) of the first and second negative electrode active material layers is 8 or less, and a secondary battery including the same.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 4, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Lilin Piao, Gyeongseop Lee, Minsoo Kim, Shulkee Kim, Kyutae Park, Sora Baek, Kwang Ho Yoo, Wonhee Jung
  • Publication number: 20240112602
    Abstract: The present application provides a simulated blood vessel model for puncture operation technique training, capable of reducing the simulated blood leakage, and conferring flexibility to a shape of the model. The simulated blood vessel model comprises: a tube 2 formed of an adhesive material; and a tape 4 wrapped a plurality of times and affixed around the tube 2, wherein a wrapping position of the tape is shifted at a predetermined pitch along a longitudinal direction of the tube 2, and the tape 4 covers an outer circumferential surface of the tube without a gap; wherein the tape 4 is formed of a material allowing two overlapping surfaces of the tape 4 to slide with each other, and configured so that the tube 2 may stretch and/or deform in its axial direction after the tape 4 is wrapped around it.
    Type: Application
    Filed: September 25, 2023
    Publication date: April 4, 2024
    Inventor: Young-Kwang PARK
  • Publication number: 20240113285
    Abstract: A positive electrode material comprising: a first positive electrode active material in the form of single particles; and a second positive electrode active material in the form of single particles which has a lager particle diameter than that of the first positive electrode active material, wherein at least one of the first or second positive electrode active materials has a coating layer comprising boron (B) and cobalt (Co) provided on at least a portion of a surface of the single particle, and a positive electrode and a secondary battery including the same.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 4, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sora Baek, Minsoo Kim, Shulkee Kim, Kyutae Park, Lilin Piao, Kwang Ho Yoo, Gyeongseop Lee, Wonhee Jung
  • Patent number: 11950455
    Abstract: A transistor substrate may include a substrate including a first region and a second region, a first buffer layer disposed in the first region on the substrate and including silicon nitride, a second buffer layer disposed in the first region and the second region on the first buffer layer and including silicon oxide, a first transistor disposed in the first region on the second buffer layer and including a first oxide semiconductor layer and a first gate electrode overlapping the first oxide semiconductor layer, and a second transistor disposed in the second region on the second buffer layer and including a second oxide semiconductor layer and a second gate electrode overlapping the second oxide semiconductor layer.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: April 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeonkeon Moon, Joonseok Park, Kwang-suk Kim, Myounghwa Kim, Taesang Kim, Geunchul Park, Kyungjin Jeon
  • Patent number: 11940725
    Abstract: A blankmask for EUV lithography includes a substrate, a reflective layer, a capping layer, and a phase shift layer. The phase shift layer is made of a material containing ruthenium (Ru) and chromium (Cr), and a total content of ruthenium (Ru) and chromium (Cr) is 50 to 100 at %. The phase shift layer may further contain boron (B) or nitrogen (N). The phase shift layer of the present invention has a high relative reflectance (relative reflectance with respect to a reflectance of the reflective layer under the phase shift layer) with respect to a tantalum (Ta)-based phase shift layer and has a phase shift amount of 170 to 230°. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: March 26, 2024
    Assignee: S&S Tech Co., Ltd.
    Inventors: Cheol Shin, Yong-Dae Kim, Jong-Hwa Lee, Chul-Kyu Yang, Min-Kwang Park, Mi-Kyung Woo
  • Patent number: 11932549
    Abstract: It is introduced that a device of manufacturing lithium sulfate comprising: a reaction body in which a reaction of lithium phosphate and sulfuric acid is performed, the reaction body being divided into an upper space and a lower space; a pressurizer for applying pressure to the inside of the reaction body; a stirrer disposed in the upper space for stirring the lithium phosphate and sulfuric acid to produce a mixture containing lithium sulfate and phosphoric acid; and a filter disposed inside the reaction body and separating the filtrate containing the phosphoric acid into the lower space by filtering the mixture.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: March 19, 2024
    Assignees: POSCO CO., LTD, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Juyoung Kim, Ki Young Kim, Woonkyoung Park, Jung Kwan Park, Woo Chul Jung, Kwang Seok Park, Hyun Woo Lee, Sang Won Kim, Heok Yang, Seung Taek Kuk
  • Publication number: 20240090328
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 14, 2024
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Patent number: 11927880
    Abstract: A blankmask for extreme ultraviolet lithography includes a substrate, a reflective layer formed on the substrate, and a phase shift layer formed on the reflective layer. The phase shift layer contains niobium (Nb), and is made of a material containing one of tantalum (Ta), chromium (Cr), and ruthenium (Ru). A phase shift layer containing Nb and Ta has a relative reflectance of 5 to 20%, a phase shift layer containing Nb and Cr has a relative reflectance of 9 to 15%, and a phase shift layer containing Nb and Ru has a relative reflectance of 20% or more. The phase shift layer has a phase shift amount of 170 to 230°, and has a surface roughness of 0.5 nmRMS or less. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: March 12, 2024
    Assignee: S&S TECH Co., Ltd.
    Inventors: Yong-Dae Kim, Chul-Kyu Yang, Min-Kwang Park, Mi-Kyung Woo
  • Publication number: 20240066090
    Abstract: The present disclosure relates to a composition for preventing, improving or treating a metabolic syndrome such as obesity, diabetes, hyperlipidemia and fatty liver, comprising a combination of a Lemon balm extract and a corn silk extract as a natural extract as an active ingredient.
    Type: Application
    Filed: October 21, 2019
    Publication date: February 29, 2024
    Inventors: Beom-Rak CHOI, Sae-Kwang KU, Hye-Rim PARK, Hyun LEE
  • Patent number: 11917907
    Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: February 27, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Kyoung-Jin Park, Tae-Jin Lee, Jae-Hoon Shim, Yoo Jin Doh, Hee-Choon Ahn, Young-Kwang Kim, Doo-Hyeon Moon, Jeong-Eun Yang, Su-Hyun Lee, Chi-Sik Kim, Ji-Song Jun
  • Publication number: 20230405432
    Abstract: The present invention is related to a device and method for sensing motion of sphere moving on plane using single-camera, and device and method for sensing motion of golf ball moving on putting mat that a low-cost single-camera is used for sensing a sports sphere moving on a plane as a target object, and the sports sphere can be detected without a separate dedicated lighting and a space in which the sphere moves can be recognized, so it can be used regardless of location with a simple configuration, away from the limitation that the installation position of the camera must be fixed.
    Type: Application
    Filed: October 5, 2021
    Publication date: December 21, 2023
    Applicant: GOLFZON CO., LTD.
    Inventors: Soo Ho CHANG, Yeong Kwang PARK, Jae Hong KIM, Tae Suk KO
  • Patent number: 11777339
    Abstract: In an embodiment, a wireless power transmitter is disclosed that includes a first field-effect transistor, a second field-effect transistor a coil and an analog front end. The wireless power transmitter is configured to drive the coil based at least in part on activations of the first and second field-effect transistors. The analog front end includes a first driver corresponding to the first field-effect transistor and being configured to control activation of the first field-effect transistor based at least in part on a pulse-width modulation signal and a second driver corresponding to the second field-effect transistor and being configured to control activation of the second field-effect transistor based at least in part on the pulse-width modulation signal.
    Type: Grant
    Filed: December 31, 2021
    Date of Patent: October 3, 2023
    Assignee: Renesas Electronics America Inc.
    Inventors: Gustavo James Mehas, Tae Kwang Park, Giovanni Figliozzi
  • Patent number: 11732069
    Abstract: The present disclosure relates to a polypropylene for injection having a high content of ultra-high molecular weight and excellent rigidity, and a method for preparing the same.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: August 22, 2023
    Inventors: Seok Hwan Kim, Hyunsup Lee, Seong Min Chae, Taejin Kim, Dae Sik Hong, Sang Jin Jeon, Hee Kwang Park
  • Patent number: 11712087
    Abstract: The present invention relates to an upper for a shoe, including an inner layer; an outer layer overlapping the inner layer at least partially; wherein the outer layer includes a plurality of cuts; wherein the inner layer includes a plurality of protrusions; wherein each cut at least partially overlaps at least one protrusion; wherein each protrusion causes an extension in width of its corresponding cut when the shoe is worn.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: August 1, 2023
    Assignee: adidas AG
    Inventors: Benjamin Alexander Thompsett, Raphael Curet, Ananda Aditya, Quentin Ferrari, No Kwang Park
  • Publication number: 20230230506
    Abstract: To provide an artificial tissue model that can be more advantageously used in surgical technique training compared to previous artificial tissues, as well as a method of fabricating the same. An artificial organ model for surgical technique training comprising two or more fibrous layers 2, 3 layered and bonded to each other so as to be peelable by a surgical technique performed by a surgical technique trainee; the layered and bonded two or more fibrous layers 2, 3 as a whole being saturated with an electroconductive liquid or gel; and two adjacent fibrous layers out of the two or more fibrous layers being formed from different materials or substances or in different colors so as to be recognizable as different membranes by the surgical technique trainee.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Inventors: Young-Kwang PARK, Manabu SHINKE, Masaaki ITO
  • Publication number: 20230216342
    Abstract: In an embodiment, a wireless power transmitter is disclosed that includes a first field-effect transistor, a second field-effect transistor a coil and an analog front end. The wireless power transmitter is configured to drive the coil based at least in part on activations of the first and second field-effect transistors. The analog front end includes a first driver corresponding to the first field-effect transistor and being configured to control activation of the first field-effect transistor based at least in part on a pulse-width modulation signal and a second driver corresponding to the second field-effect transistor and being configured to control activation of the second field-effect transistor based at least in part on the pulse-width modulation signal.
    Type: Application
    Filed: December 31, 2021
    Publication date: July 6, 2023
    Applicant: Renesas Electronics America Inc.
    Inventors: Gustavo James MEHAS, Tae Kwang PARK, Giovanni FIGLIOZZI