Patents by Inventor Sang Woo Park

Sang Woo 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: 20240098022
    Abstract: Provided are a method and apparatus for providing a multi virtual local area network service to user equipments.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 21, 2024
    Applicant: KT CORPORATION
    Inventors: Ho-Jun JANG, Se-Hoon KIM, Won-Chang CHO, Sang-Hyun PARK, Kun-Woo PARK, Ji-Young JUNG
  • Publication number: 20240099067
    Abstract: A display device includes: a substrate; a pixel circuit driving portion that is on the substrate; an organic layer that covers the pixel circuit driving portion; a light emitting element on the organic layer and including an anode; and a separator including a reverse tapered side on the organic layer, wherein a width of a bottom surface of the separator is equal to a distance between adjacent anodes.
    Type: Application
    Filed: August 10, 2023
    Publication date: March 21, 2024
    Inventors: JUN HYEONG PARK, Sang Woo KIM
  • Patent number: 11926529
    Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol I sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: March 12, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Young Hun Kim, Se Won Baek, Sung Min Yu, Kyung Seok Min, Hyun Woo Jeon, Sang Woo Park, Bong June Kim
  • Patent number: 11930670
    Abstract: A display device comprises a substrate; a driving transistor including a first active layer and a switching transistor including a second active layer, the first active layer and the second active layer being disposed on the substrate; a first gate insulating layer disposed on the first active layer of the driving transistor and the second active layer of the switching transistor; first and second gate electrodes disposed on the first gate insulating layer to overlap the first active layer of the driving transistor and the second active layer of the switching transistor, respectively; a first interlayer insulating layer disposed on the first gate electrode and the second gate electrode; and a second interlayer insulating layer disposed on the first interlayer insulating layer to overlap the first active layer without overlapping the second active layer in a plan view.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: March 12, 2024
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Sang Woo Sohn, Saeroonter Oh, Joon Seok Park, Young Joon Choi, Su Hyun Kim, Jun Hyung Lim
  • Publication number: 20240075534
    Abstract: A coated cutting tool having excellent wear resistance and controlled brittleness is provided. An embodiment of the present disclosure provides a coated cutting tool including: a substrate; and a cutting layer disposed on the substrate, wherein: the cutting layer includes a brittleness suppressing layer and a wear-resistant layer disposed on the brittleness suppressing layer; the substrate includes a hard alloy body such as cemented carbide, cermet, ceramic, cubic boron nitride-based materials, or high-speed steel; the brittleness suppressing layer includes a first layer and a second layer disposed on the first layer; the first layer and the second layer each independently includes any one of (AlbTi1-b)X (where 0.6<b<0.8, and X is at least one selected from N, C, CN, NO, CO, and CNO) and (TicAl1-c)X (where 0.4<c?0.5, and X is at least one selected from N, C, CN, NO, CO, and CNO); and the first layer and the second layer include materials different from each other.
    Type: Application
    Filed: August 15, 2023
    Publication date: March 7, 2024
    Inventors: SOO HYUN CHA, GEUN WOO PARK, SANG YOUNG JO, TAE YANG HAN
  • Publication number: 20240076799
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Application
    Filed: November 1, 2023
    Publication date: March 7, 2024
    Applicant: SENIC INC.
    Inventors: Jong Hwi PARK, Jung-Gyu KIM, Eun Su YANG, Byung Kyu JANG, Jung Woo CHOI, Yeon Sik LEE, Sang Ki KO, Kap-Ryeol KU
  • Publication number: 20240079642
    Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yoon Cheol HA, Sang Min LEE, Byung Gon KIM, Gum Jae PARK, Jun Woo PARK, Jun Ho PARK, Ji Hyun YU, Won Jae LEE, You Jin LEE, Hae Young CHOI
  • Publication number: 20240071910
    Abstract: A three-dimensional semiconductor device may comprise a first cell region, a second cell region, and a via plug region disposed between the first cell region and the second cell region; a word line stack disposed in the first cell region, the via plug region, and the second cell region, the word line stack including a plurality of word lines and a plurality of interlayer insulating layers which are alternately stacked; and a plurality of via plugs exclusively connected to the plurality of the word lines, respectively, by vertically penetrating through the word line stack in the via plug region. The via plugs may have an arrangement of a zigzag pattern in a row direction from a top view. The diameters of the via plugs may increase in the row direction.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Inventors: Sung Lae OH, Sang Woo PARK, Dong Hyuk CHAE
  • Patent number: 11917818
    Abstract: A memory may include a first wafer, and a second wafer stacked on and bonded to the first wafer. The first wafer may include a cell structure including a memory cell array; and a first logic structure disposed under the cell structure, and including a row control circuit. The second wafer may include a second logic structure including a column control circuit.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: February 27, 2024
    Assignee: SK HYNIX INC.
    Inventors: Sung Lae Oh, Sang Woo Park, Dong Hyuk Chae, Ki Soo Kim
  • Patent number: 11911134
    Abstract: An apparatus for non-invasively measuring bio-information is provided. The apparatus for estimating bio-information may include a pulse wave sensor configured to measure a pulse wave signal from an object; a sensor position sensor configured to obtain sensor position information of the pulse wave sensor with respect to the object, based on the object being in contact with the pulse wave sensor; and a processor configured to estimate the bio-information based on blood vessel position information of the object, the sensor position information, and the pulse wave signal.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Woo Choi, Sang Yun Park, Hye Rim Lim, Jae Min Kang, Seung Woo Noh
  • Patent number: 11858906
    Abstract: Disclosed herein are a novel amine compound and an organic light-emitting diode of high efficiency including the same and, more particularly, to an amine compound with a specific structure which exhibits high efficiency as a material for a hole transport layer in an organic light-emitting diode, and an organic light-emitting diode including same. Here, Chemical Formulas A and B are as described in the specification.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: January 2, 2024
    Assignee: SFC CO., LTD.
    Inventors: Tae Gyun Lee, Sang-woo Park, Seung-Soo Lee, Jun-young Moon
  • Patent number: 11855568
    Abstract: A motor driving device for driving a motor having multiple windings corresponding to multiple phases, respectively, may include: a first inverter including multiple first switching elements and connected to a first end of each of the multiple windings; a second inverter including multiple second switching elements and connected a second end of each of the multiple windings; a third switching element configured to connect/disconnect points, at which the number of turns of each of the multiple windings is partitioned based on a predetermined ratio, to/from each other; and a controller configured to control, based on the required output of the motor, an on/off state of the first switching elements to the third switching element.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: December 26, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seung Hyeon Bin, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Sang Woo Park, Tae Il Yoo, Ho Sun Jang
  • Patent number: 11848266
    Abstract: A three-dimensional semiconductor device may comprise a first cell region, a second cell region, and a via plug region disposed between the first cell region and the second cell region; a word line stack disposed in the first cell region, the via plug region, and the second cell region, the word line stack including a plurality of word lines and a plurality of interlayer insulating layers which are alternately stacked; and a plurality of via plugs exclusively connected to the plurality of the word lines, respectively, by vertically penetrating through the word line stack in the via plug region. The via plugs may have an arrangement of a zigzag pattern in a row direction from a top view. The diameters of the via plugs may increase in the row direction.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: December 19, 2023
    Assignee: SK HYNIX INC
    Inventors: Sung Lae Oh, Sang Woo Park, Dong Hyuk Chae
  • Publication number: 20230399233
    Abstract: The present invention relates to a device for producing an aerogel blanket, and a method for producing an aerogel blanket. The device for producing an aerogel blanket according to present invention is a device for producing an aerogel blanket, including a supply part, which supplies a fiber containing sol, and a conveyor belt which moves the fiber supplied from the supply part, wherein the conveyor belt is provided in multiple levels to move the fiber while reversing the fiber, and a start time at which the conveyor belt reverses the fiber is before fluidity of the sol is completely lost.
    Type: Application
    Filed: August 29, 2023
    Publication date: December 14, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Mi Ri KIM, Sang Woo PARK, Se Won BAEK, Moo Kwang SHIN, Sung Min YU, Kyoung Shil OH
  • Publication number: 20230391628
    Abstract: The present disclosure relates to a device for producing an aerogel blanket, and a method for producing an aerogel blanket. The device for producing an aerogel blanket according to present disclosure is a device for producing an aerogel blanket, including a supply part, which supplies a fiber containing sol, and a conveyor belt which moves the fiber supplied from the supply part, wherein the conveyor belt is provided in multiple levels to move the fiber while reversing the fiber, and a start time at which the conveyor belt reverses the fiber is before fluidity of the sol is completely lost.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 7, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Mi Ri KIM, Sang Woo PARK, Se Won BAEK, Sung Min YU, Kyoung Shil OH
  • Patent number: 11823608
    Abstract: A display device includes a substrate, pixels on the substrate, and a driving circuit unit connected to the pixels through data lines. The driving circuit unit includes a thermistor having a resistance value which changes according to a temperature of the substrate and a register group in which set values of a dimming ratio corresponding to the temperature are stored, the driving circuit unit controls the pixels to emit light with a first luminance based on the dimming ratio when the temperature based on the resistance value is less than a minimum temperature, the driving circuit unit controls the pixels to emit light with a second luminance based on the dimming ratio when the temperature is greater than the minimum temperature and less than a maximum temperature, and the driving circuit unit stops image display of the pixels when the temperature is greater than the maximum temperature.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: November 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ahn Ho Jee, Sang Woo Park
  • Patent number: 11816881
    Abstract: Disclosed are multiple object detection method and apparatus. The multiple object detection apparatus includes a feature map extraction unit for extracting a plurality of multi-scale feature maps based on an input image, and a feature map fusion unit for generating a multi-scale fusion feature map including context information by fusing adjacent multi-scale feature maps among the plurality of multi-scale feature maps generated by the feature map extraction unit.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: November 14, 2023
    Assignee: CHUNG ANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION
    Inventors: Joon Ki Paik, Sang Woo Park, Dong Geun Kim, Dong Goo Kang
  • Patent number: 11787316
    Abstract: The present invention provides a vehicular seat apparatus capable of increasing a baggage-loading space in the indoor space of a vehicle and of preventing the load of baggage from being applied to the seat. The vehicular seat apparatus includes a seat configured to enable a seat back thereof to be folded, a partition wall coupled to the vehicle floor behind the seat via a moving unit so as to be moved anteroposteriorly and to partition the indoor space in the vehicle into a front passenger space and a rear baggage-loading space, a hinge bracket configured to hingedly couple a seat cushion of the seat to the vehicle floor, a caster mounted to the seat so as to enable the seat to be rolled along the vehicle floor and the partition wall, and a holding unit configured to selectively hold the seat cushion of the seat to the vehicle floor or the partition wall.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: October 17, 2023
    Assignee: HYUNDAI TRANSYS INC.
    Inventor: Sang Woo Park
  • Patent number: 11784590
    Abstract: An automotive motor driving apparatus includes: a first motor including a plurality of wires; and a second motor including a plurality of wires including first ends connected to each other. The motor driving apparatus includes: a first inverter connected to first ends of the wires of the motor and including a plurality of first switching devices; a second inverter connected to second ends of the wires of the first motor and including a plurality of second switching devices; a third inverter connected to second ends of the wires of the second motor; and a controller configured to drive the second motor by performing pulse width control on the third switching devices when a problem occurs in the second inverter while driving the first motor in an open end winding mode in which pulse width modulation control is performed on both of the first switching devices and the second switching devices.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: October 10, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Hyeon Bin, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Sang Woo Park, Tae Il Yoo, Ho Sun Jang
  • Publication number: 20230316965
    Abstract: A method of testing a display device including a display panel which displays an image and a driver which drives the display panel including measuring a driving operating current in a state where the driver is enabled and the display panel is disabled, and determining whether the driver is defective, based on the driving operating current and measuring a display operating current in a state where the driver and the display panel are enabled, and determining whether the display panel is defective, based on the display operating current.
    Type: Application
    Filed: December 15, 2022
    Publication date: October 5, 2023
    Inventors: AHNHO JEE, HEEBUM PARK, SANG-WOO PARK, KEUNHYUK YOUN, SUNGHO CHO