Patents by Inventor Yoon Seok Choi

Yoon Seok Choi 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).

  • Patent number: 11959395
    Abstract: A rotor blade system. The rotor blade system includes a rotor and a plurality of blades coupled to the rotor. The plurality of blades are arranged in an airfoil distribution pattern. The airfoil distribution pattern includes one or more baseline blades and one or more intentionally mistuned blades including an intentional mistuning feature.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: April 16, 2024
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Wei-Min Ren, Letian Wang, Kevin E. Turner, Yoon Seok Choi
  • Patent number: 11956980
    Abstract: Discussed is an organic light emitting device in which a light emitting layer includes a host and different kinds of dopants, the fluorescent dopant is formed of a material having energy level properties facilitating thermally activated delayed fluorescence (TADF), and thus energy is concentratedly transferred to the fluorescent dopant so as to increase luminous efficacy of a single color.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: April 9, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Gyeong-Woo Kim, Hong-Seok Choi, Seung-Ryong Joung, Jun-Ho Lee, Yoon-Deok Han, Hee-Su Byeon
  • Patent number: 11953066
    Abstract: The present disclosure relates to a brake disc including a braking part having a circular plate shape having a hollow portion and a plurality of coupling portions protruding and extending from an inner diameter surface thereof, and a hat part disposed in the hollow portion and having a plurality of insertion portions protruding laterally, in which the plurality of coupling portions is respectively coupled to the plurality of insertion portions, and the coupling portion of the braking part and the insertion portion of the hat part are joined to only one of an outboard portion or an inboard portion of the braking part. According to the present disclosure, it is possible to reduce noise occurring at a position at which the hat part and the braking part are coupled to each other and improve cooling performance.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: April 9, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SEOHAN INDUSTRY CO., LTD.
    Inventors: Yoon-Cheol Kim, Kyung-Rok Choi, Sang-Bum Koh, Seong-Kweon Joo, Ki-Jeong Kim, Jae-Seok Lee
  • Publication number: 20240104300
    Abstract: The present invention relates to a method of generating a word embedding library, including: receiving, by a processor, original text composed of Hangul through an input interface; segmenting, by the processor, the original text by morpheme, combining segmented morphemes step by step according to a preset rule, and matching a tag to a combination of step-by-step morphemes according to a morphological attribute or a syntactic attribute of the combination of step-by-step morphemes; and generating, by the processor, a word embedding library by classifying the morphemes included in the original text based on the tag matched to the combination of step-by-step morphemes.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 28, 2024
    Inventors: Sung Min KIM, Hye Won LIM, Yoon Bo SHIM, Yui HA, Yoon Seok CHOI
  • 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: 20240079721
    Abstract: A battery module includes at least two cell assemblies, a module housing having an upper cover formed by a top portion and a first side portion extending downward from a first side edge of the top portion, a first gas passage formed between the first side portion of the upper cover and a first side of the at least two cell assemblies for circulation of gas generated from the at least two cell assemblies, and a flame retardant plate in the first gas passage and extending between the at least two cell assemblies and the module housing, wherein the first side portion of the upper cover is coupled to the flame retardant plate.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Gyu SHIN, Jeong-O MUN, Jae-Min YOO, Yoon-Koo LEE, Yong-Seok CHOI, Jee-Soon CHOI
  • Patent number: 11923562
    Abstract: A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: March 5, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Sung-Won Seo, Dong Yeon Kim, Ho-June Chi, Dal-Mo Kang, Jin-Hak Kong, Jeong-O Mun, Yoon-Koo Lee, Yong-Seok Choi, Alexander Eichhorn, Andreas Track
  • Patent number: 11925051
    Abstract: A display device includes: a first base having a display area; light-emitting elements on the first base; and an encapsulation layer over the light-emitting elements. The encapsulation layer includes: a first inorganic layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer. The first inorganic layer includes: a first buffer layer on the light-emitting elements; a first barrier layer on the first buffer layer; a first porous layer on the first barrier layer; a second barrier layer on the first porous layer; and a second buffer layer on the second barrier layer. A refractive index of the first buffer layer, the first barrier layer, and the first porous layer are different from one another, and the refractive index of the first porous layer is smaller than the refractive index of the first buffer layer and the first barrier layer.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Tack Kim, Eung Seok Park, Jae Hyuk Lee, Yoon Hyeung Cho, Dong Uk Choi
  • Publication number: 20230411117
    Abstract: An antenna member includes a first coil and a second coil that are rotationally symmetrical with each other, wherein the first coil includes a first supply terminal to which current is applied, a first ground terminal connected to a ground, and a first shunt capacitor shunted between the first supply terminal and the first ground terminal, the second coil includes a second supply terminal to which current is applied, a second ground terminal connected to the ground, and a second shunt capacitor shunted between the second supply terminal and the second ground terminal, the first coil includes an arc-shaped first portion and an arc-shaped second portion, and the first portion and the second portion form a one-turn winding as a whole, the second coil includes an arc-shaped first portion and an arc-shaped second portion, and the first portion and the second portion form a one-turn winding as a whole, the second portion has a height lower than a height of the first portion, the second portion of the second coil is
    Type: Application
    Filed: January 14, 2023
    Publication date: December 21, 2023
    Inventors: Yoon Seok CHOI, Sang Jeong LEE, Jae Won SHIN, Hyun Woo JO, Jong Won PARK
  • Publication number: 20230369021
    Abstract: A substrate treating apparatus is provided to provide heating and plasma treatment of a substrate in a single device, and the substrate treating apparatus includes a treatment container in which a substrate is accommodated, a support member supporting the substrate in the treatment container, a plasma providing unit including an electrode generating plasma within the treatment container, and a microwave introducing unit connected to a microwave generating unit and introducing microwaves into the treatment container.
    Type: Application
    Filed: April 18, 2023
    Publication date: November 16, 2023
    Inventors: Yoon Seok Choi, Yun Sang Kim, Youn Gun Bong, Jae Won Shin, Jong Won Park
  • Publication number: 20230358140
    Abstract: A rotor blade system. The rotor blade system includes a rotor and a plurality of blades coupled to the rotor. The plurality of blades are arranged in an airfoil distribution pattern. The airfoil distribution pattern includes one or more baseline blades and one or more intentionally mistuned blades including an intentional mistuning feature.
    Type: Application
    Filed: May 3, 2022
    Publication date: November 9, 2023
    Inventors: Wei-Min Ren, Letian Wang, Kevin E. Turner, Yoon Seok Choi
  • Publication number: 20230215706
    Abstract: The inventive concept provides a substrate support unit. The substrate support unit includes a susceptor supporting the substrate and having a pinhole formed vertically; and a lift pin unit configured to load and unload the substrate on the susceptor, and wherein the lift pin unit includes: a lift pin vertically movable along the pinhole; a support vertically movable by a driving unit; a pin holder connecting the support and the lift pin, and wherein the lift pin is pivotably connected to the pin holder and the pin holder is laterally movable with respect to the support.
    Type: Application
    Filed: December 29, 2022
    Publication date: July 6, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Yoon Seok CHOI, Hyun Woo JO, Sang Jeong LEE, Jong Won PARK, Hyoung Kyu SON
  • Publication number: 20230207272
    Abstract: An exemplary embodiment of the present invention provided an apparatus for treating a substrate. The apparatus for treating the substrate includes a process chamber having a treating space therein, a support unit for supporting the substrate in the treating space, gas supply unit for supplying treating gas to the treating space, and a microwave application unit for applying microwaves to the treating gas to generate plasma, wherein the microwave application unit includes a transmission plate disposed above the support unit to radiate the microwaves to the treating space, a first waveguide disposed above the transmission plate, and a first power supply for applying the microwaves to the first waveguide, wherein the first waveguide is provided in a ring shape.
    Type: Application
    Filed: November 16, 2022
    Publication date: June 29, 2023
    Applicants: SEMES CO., LTD., PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Sang Jeong LEE, Yoon Seok CHOI, Sun Wook JUNG, Ho-Jun LEE, Sang Woo KIM
  • Publication number: 20230207271
    Abstract: The apparatus includes a process chamber having a treating space therein, a support unit for supporting the substrate in the treating space, a gas supply unit for supplying treating gas to the treating space, and a microwave application unit for applying microwaves to the treating gas to generate plasma. The microwave application unit may include first power supply for applying a first microwave, a support plate having a groove formed on an upper surface thereof and combined with the process chamber above the support unit to define the treating space, a first transmission plate inserted into the groove to radiate the first microwave to the treating space, and a first waveguide disposed to overlap with an upper portion of the first transmission plate and coupled to the first power supply, wherein a plurality of grooves may be formed along a circumferential direction in an edge region of the support plate.
    Type: Application
    Filed: November 16, 2022
    Publication date: June 29, 2023
    Applicants: SEMES CO., LTD., PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Yoon Seok CHOI, Sun Wook JUNG, Jong Won PARK, Ho-Jun LEE, Min Sang PARK
  • Publication number: 20230166285
    Abstract: Provided are a substrate treating apparatus and a substrate treating method. The substrate treating apparatus includes: a chamber for providing a processing space; a substrate support unit provided in the processing space to support a substrate and rotate the substrate; a liquid supply unit including a chemical liquid discharge nozzle that discharges a chemical liquid to the substrate supported by the substrate support unit; and a microwave applying member for emitting microwaves to the substrate.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 1, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Yun Sang Kim, Yoon Seok Choi, Young Dae Chung, Soon-Cheon Cho, Se Hoon Oh
  • Publication number: 20230124184
    Abstract: The inventive concept provides an antenna member. In an embodiment, the antenna member includes a first coil and a second coil which have a rotational symmetry to each other, and wherein the first coil includes a first supply terminal applied with a current and a first ground terminal connected to the ground, the second coil includes a second supply terminal applied with the current and a second ground terminal connected to the ground, and wherein the first coil and the second coil each include a first portion having an arc-shape and a second portion having an arc-shape which as a whole form one winding, and when seen from a side, the second portion has a relatively lower height than the first portion, and the second portion of the second coil is positioned below the first portion of the first coil, and the second portion of the first coil is positioned below the first portion of the second coil.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 20, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Yoon Seok CHOI, Yun Sang KIM, Sun Wook JUNG
  • Publication number: 20230124857
    Abstract: A plasma processing apparatus is provided. The plasma processing apparatus includes a chamber having a processing space defined therein in which plasma is generated; and a plasma generation unit configured to excite gas in the processing space into a plasma state, wherein the plasma generation unit includes: a first power supply to supply power for generation of the plasma; a coil connected to the first power supply; a first shunt capacitor disposed between and connected to a first node of the coil and a ground; and a second shunt capacitor disposed between and connected to a second node other than the first node of the coil and the ground.
    Type: Application
    Filed: May 14, 2022
    Publication date: April 20, 2023
    Inventors: Yoon Seok CHOI, Soon Cheon Cho, Sang Jeong Lee, Hyun Woo Jo, Jong Won Park
  • Publication number: 20230120716
    Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a plurality of process chambers for performing a first process using a microwave energy; one microwave generator for generating a microwave; a wave guide connecting to each of the plurality of process chambers and the microwave generator; and a microwave path changing member provided at a microwave transfer path of the wave guide and changing the microwave transfer path of one chosen chamber among the plurality of process chambers.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 20, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Yoon Seok CHOI, Yun Sang KIM, Soon-Cheon CHO, Sang Jeong LEE, Jong Won PARK, Hyun Woo JO
  • Publication number: 20230081182
    Abstract: The inventive concept provides a substrate treating apparatus. In an embodiment the substrate treating apparatus includes a process chamber having a treating space therein for treating a substrate; a substrate support unit configured to support the substrate in the treating space; and a microwave application unit configured to apply a microwave to the treating space, and wherein the microwave application unit comprises a microwave power generator based on a solid state device.
    Type: Application
    Filed: September 7, 2022
    Publication date: March 16, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Yoon Seok CHOI, Yun Sang KIM, Sun Wook JUNG
  • Publication number: 20220406571
    Abstract: Disclosed is a substrate treating apparatus, including: a process chamber in which an inner space for treating a substrate is formed; an ion blocker for dividing the inner space into a plasma generating space and a treatment space; a substrate support unit for supporting a substrate in the treatment space; an exhaust unit for exhausting the treatment space; an anneal source positioned above the ion blocker and transmitting energy for annealing to the substrate through the ion blocker; and a gas supply unit for supplying process gas to the plasma generating space, in which the ion blocker includes: a body which is shaped like a disk, is made of a material through which microwaves are transmittable, and is formed with a plurality of through-holes; and a transparent conductive oxide film provided on at least one of an upper surface and a lower surface of the body in a first thickness or less.
    Type: Application
    Filed: June 16, 2022
    Publication date: December 22, 2022
    Applicant: SEMES CO., LTD.
    Inventors: Yoon Seok CHOI, Soon-Cheon CHO, Yun Sang KIM