Patents by Inventor Won Choi

Won 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).

  • Publication number: 20250121531
    Abstract: According to an embodiment of the present disclosure, there is provided a waste plastic gasification device including: a raw material input unit for inputting waste plastic raw materials; a first gasification unit that pyrolyzes the waste plastic raw materials at low temperatures using superheated steam to produce a mixed gas and preheats residual raw materials that have not been decomposed; a second gasification unit that further decomposes the preheated residual raw materials through plasma to produce the mixed gas; a residue discharge unit that stores and discharges waste plastic residual melt slag that has not been decomposed in the second gasification unit; and a heat exchange unit for cooling the mixed gas generated in the first gasification unit and the second gasification unit, wherein the second gasification unit is inclined in a direction of the residue discharge unit to discharge the waste plastic residual melt slag.
    Type: Application
    Filed: July 17, 2024
    Publication date: April 17, 2025
    Applicant: Korea Institute of Energy Research
    Inventors: Chong Pyo CHO, Joeng Geun KIM, Jong Won CHOI, Young Jin SHIN, Seung Jea LEE
  • Publication number: 20250115690
    Abstract: A method for preparing a catalyst composition for preparing a catalyst composition having improved catalyst activity by pre-treating a hydrogen-bonded lanthanide rare earth element compound and/or an oligomer type of a lanthanide rare earth element compound of Formula 1, which induce the deterioration of the catalyst activity, and a method for preparing a conjugated diene-based polymer using the catalyst composition prepared thereby are described, wherein all the variables are described herein.
    Type: Application
    Filed: February 15, 2023
    Publication date: April 10, 2025
    Applicant: LG CHEM, LTD.
    Inventors: Tae Chul Lee, Ju Ryang Bae, Seo Won Choi, Hae Sung Sohn, Suk Youn Kang, Sung Ho Park
  • Publication number: 20250118755
    Abstract: A negative electrode binder for rechargeable lithium batteries and a rechargeable lithium battery including the same are disclosed. The binder of negative electrode includes: a unit derived from a first monomer; and a unit derived from a (meth)acrylic monomer as a second monomer. The first monomer includes at least one of a (meth)allyl ether monomer or a (meth)acryl ester monomer, and each of the (meth)allyl ether monomer and the (meth)acryl ester monomer contains an alkyl group having a carbon number of 3 or more and an anionic functional group.
    Type: Application
    Filed: October 1, 2024
    Publication date: April 10, 2025
    Inventors: Kyung Hwa JUNG, Kuk Joo LEE, Yun Shik CHO, Jung Min LEE, Min Ho CHO, Je Won CHOI, Su Jin PARK
  • Patent number: 12270233
    Abstract: An embodiment is a vehicle door opening and closing apparatus. The vehicle door opening and closing apparatus including a vehicle door, a rail mounted on a vehicle body, a roller unit mounted on the vehicle door, the roller unit configured to move along the rail and allow the vehicle door to open and close in a mode selected from a swing mode and a sliding mode, and a hold lock mounted on the vehicle body, the hold lock including a passing rod configured to releasably hold the roller unit in a predetermined position.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: April 8, 2025
    Assignees: Hyundai Motor Company, Kia Corporation, SUNG WOO HITECH CO., LTD.
    Inventors: Je Won Choi, Jae Heon Lee
  • Patent number: 12274141
    Abstract: A display device includes a scan line extending in a first direction. A plurality of data lines cross the scan line. A driving voltage line crosses the scan line. An active pattern includes a plurality of channel regions and a plurality of conductive regions. A control line is connected to the plurality of data lines and the driving voltage line. The active pattern includes a shielding part overlapping at least one data line of the plurality of data lines. The control line includes a plurality of main line parts each extending in the first direction, and a detour part connecting two adjacent main line parts of the plurality of main line parts to each other. The detour part extends along a periphery of the active pattern and crosses the at least one data line of the plurality of data lines.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: April 8, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Won Choi, Chae Han Hyun
  • Patent number: 12266753
    Abstract: A method of manufacturing a unit cell having a negative electrode, a separator, and a positive electrode are stacked and placed between guide rollers. One of the positive electrode and the negative electrode. The separator is coated with a binder, and the separator is dipped in a solvent to soften a cured binder before the separator is put between the guide rollers. An apparatus for manufacturing a unit cell includes a reservoir in which at least two or more transfer rollers that rotate while the separator passes therethrough are mounted, and a solvent is stored at a predetermined level; and a chamber into which the separator passing through a reservoir is put together with the positive electrode and the negative electrode. Guide rollers are disposed so that the negative electrode and the positive electrode move to both surfaces of the separator, respectively.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: April 1, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Byeong Kyu Lee, Su Taek Jung, Soon Kwan Kwon, Hyun Kyung Shin, Won Nyeon Kim, Seong Won Choi
  • Publication number: 20250101154
    Abstract: Provided are a method for preparing a catalyst composition for preparing a catalyst composition having improved catalyst activity by pre-treating a hydrogen-bonded lanthanide rare earth element compound and/or an oligomer type of a lanthanide rare earth element compound of Formula 1, which induce the deterioration of the catalyst activity, and a method for preparing a conjugated diene-based polymer using the catalyst composition prepared thereby, wherein all the variables are described herein.
    Type: Application
    Filed: February 15, 2023
    Publication date: March 27, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Seo Won Choi, Tae Chul Lee, Ju Ryang Bae, Dong Hui Kim, Hyun Woong Park, Sung Ho Park
  • Patent number: 12260667
    Abstract: There is provided a method of controlling a robot, which is performed by the robot that travels within a space. The robot identifies a person to be rescued, among persons within a space, by using a camera while travelling within the space, determines a distance between the robot and the person to be rescued based on depth information that is obtained by the camera and that is associated with the person to be rescued, and transmits information including the determined distance to a control server for the space.
    Type: Grant
    Filed: September 3, 2024
    Date of Patent: March 25, 2025
    Assignee: CORNERS CO., LTD.
    Inventors: Jang Won Choi, Dong Oh Kim, Tae Kyu Han
  • Patent number: 12260498
    Abstract: Provided is a method of creating digital twin content for a space based on object recognition in the space. A method of creating digital twin content includes identifying, by a computer system, an object in a space using a camera, determining a value of a parameter associated with the camera to define (or display) the identified object with a predetermined first size at a predetermined location on an image captured by the camera or a screen on which the image is displayed, and using a control result value based on the determined value of the parameter and the location information of the identified object to create the digital twin content for the space.
    Type: Grant
    Filed: January 30, 2024
    Date of Patent: March 25, 2025
    Assignee: CORNERS CO., LTD.
    Inventors: Jang Won Choi, Min Woo Park, Dae Gyun Lee, Dong Oh Kim
  • Publication number: 20250096302
    Abstract: A battery cell pressing jig for assembling a battery cell includes a lower plate of which an upper surface is provided with a first pressing member for seating and arranging a plurality of battery cells thereon, an upper plate which is provided above the lower plate and of which a lower surface is provided with a second pressing member, on which the plurality of battery cells are seated in an arranged state, thereon, a pressing part configured to press both the upper plate and the lower plate toward the battery cell, and a plurality of sensing members coupled onto the upper plate to be electrically connected to the plurality of battery cells.
    Type: Application
    Filed: February 27, 2023
    Publication date: March 20, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Myung Geun OH, Tae Gyu LEE, Hae Won CHOI
  • Patent number: 12255023
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes: preparing a dielectric magnetic composition including base material powder particles including BaTi2O5 or (Ba(1-x)Cax)Ti2O5 (0?x?0.1), the base material powder particles having surfaces coated with one or more of Mg, Mn, V, Ba, Si, Al and a rare earth metal; preparing ceramic green sheets using dielectric slurry including the dielectric magnetic composition; applying an internal electrode paste to the ceramic green sheets; preparing a green sheet laminate by stacking the ceramic green sheets to which the internal electrode paste is applied; and preparing a ceramic body including dielectric layers and a plurality of first and second internal electrodes arranged to face each other with each of the dielectric layers interposed therebetween by sintering the green sheet laminate.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: March 18, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won Choi, Seok Kyoon Woo, Ji Hong Jo
  • Patent number: 12254833
    Abstract: A display device includes: a plurality of pixels substantially in a matrix form including a plurality of pixel columns in a first direction and a plurality of pixel rows in a second direction intersecting the first direction; a plurality of data lines connected to the pixel columns, respectively; a plurality of scan lines extending in the second direction; and a power line which supplies a driving power voltage to the pixels. Each of the data lines includes a first sub-data line disposed at a side of a corresponding pixel column, and a second sub-data line disposed at an opposite side of the corresponding pixel column, and each of the pixels includes a first transistor and a display element connected to the first transistor, where the power line overlaps with at least a portion of the first transistor.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: March 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Won Choi, Jun Yong An, Yun Kyeong In, Won Mi Hwang
  • Patent number: 12252923
    Abstract: An embodiment is a vehicle door opening and closing apparatus including a vehicle door configured to be selectively opened and closed in a mode of a sliding mode and a swing mode to uncover and cover a door opening of a vehicle body. The vehicle door opening and closing apparatus further including a rail mounted on the vehicle body, a roller unit including a roller and a hinge element, the roller being configured to be guided along the rail, the hinge element being spaced apart from the roller, a door-side bracket mounted on the vehicle door, the door-side bracket being detachably connected to the roller unit, and a body-side bracket mounted on the vehicle body, the body-side bracket being detachably connected to the roller unit.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: March 18, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Je Won Choi
  • Publication number: 20250087833
    Abstract: A secondary battery including an electrode assembly, a gel polymer electrolyte, and a battery case accommodating the electrode assembly and the gel polymer electrolyte. The electrode assembly includes a plurality of electrodes and a plurality of separators, the plurality of electrodes are stacked in a vertical direction, and each of the plurality of separators is disposed between the stacked electrodes. The separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, and the ceramic coating layer contains inorganic particles and a binder, wherein the inorganic particles are included in an amount ranging from 92 wt % to less than 100 wt %, and the binder is included in an amount ranging from greater than 0 wt % to 8 wt %. The method of making the battery is also provided.
    Type: Application
    Filed: January 13, 2023
    Publication date: March 13, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ji Hoon Ryu, Je Young KIM, Dong Kyu KIM, Yeo Min Yoon, Seong Won Choi, Won Kyung Shin, Tae Seob Lim
  • Publication number: 20250079528
    Abstract: A secondary battery includes an electrode assembly including an electrode and a separator which are alternately stacked; a gel polymer electrolyte; and a battery case accommodating the electrode assembly and the gel polymer electrolyte. The separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, and the ceramic coating layer contains from 92 wt % to less than 100 wt % of inorganic particles and from greater than 0 wt % to 8 wt % of a binder.
    Type: Application
    Filed: January 13, 2023
    Publication date: March 6, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ji Hoon Ryu, Je Young Kim, Dong Kyu Kim, Yeo Min Yoon, Seong Won Choi, Won Kyung Shin, Tae Seob Lim
  • Publication number: 20250079665
    Abstract: A battery cell according to the present disclosure includes: an electrode assembly including a first electrode and a second electrode having a potential different from the first electrode; an accommodating body including an opening formed by opening one surface and accommodating the electrode assembly therein; an accommodating cover coupled with the opening to cover the electrode assembly; a lead portion formed at one end of each of the first electrode and the second electrode to electrically connect the electrode assembly to the outside; a lead blocking portion positioned between the electrode assembly and the accommodating body and blocking contact between the lead portion and the accommodating body; and an insulating member covering the outside of the electrode assembly.
    Type: Application
    Filed: August 22, 2024
    Publication date: March 6, 2025
    Inventors: Seung Won CHOI, Jae Gyu BYUN
  • Publication number: 20250079461
    Abstract: The present invention relates to a transparent anode active material having excellent light transmittance and electrical conductivity characteristics and a manufacturing method thereof, and a lithium ion battery and an all-solid-state lithium thin-film battery based on the same and having excellent charge/discharge capacity and charge/discharge rate, wherein the transparent anode active material according to the present invention is characterized by comprising a material of the following Chemical Formula 1: AgxSiOyN wherein x is 0<x?0.8 and y is 0<y?1.
    Type: Application
    Filed: August 27, 2024
    Publication date: March 6, 2025
    Inventors: Ji-Won CHOI, Haena YIM, Yaelim HWANG, Chong Yun KANG, Seung Hyub BAEK, Seong Keun KIM, Hyun-Cheol SONG, Jungho YOON, Ji-Soo JANG, Sunghoon HUR
  • Publication number: 20250069557
    Abstract: A display device comprising a scan write line to which a scan write signal is applied, a data line to which a data voltage is applied, and a pixel electrically connected to the scan write line and the data line. The pixel comprises a light emitting element, a driving transistor that provides a driving current to the light emitting element according to a voltage of a gate electrode, a first transistor that supplies a data voltage of the data line to a first electrode of the driving transistor according to the scan write signal of the scan write line, a first connection electrode electrically connected to a gate electrode of the driving transistor, a first gate connection electrode electrically connected to a gate electrode of the first transistor, and a second connection electrode that electrically connects the scan write line to the first gate connection electrode.
    Type: Application
    Filed: November 12, 2024
    Publication date: February 27, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jun Won CHOI, Jae Won KIM
  • Patent number: D1066261
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: March 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jin-Oh Yang, Kwang-Keun Oh, In-Hyuk Jung, Hae-Won Choi
  • Patent number: D1066262
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: March 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jin-Oh Yang, Kwang-Keun Oh, In-Hyuk Jung, Hae-Won Choi