Patents by Inventor Won Baek

Won Baek 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: 20250236527
    Abstract: A hydrophobic silica aerogel blanket including holes, so that the diffusion of a surface modifier is facilitated in a blanket during a surface modification process to improve the efficiency of surface modification. Accordingly, the hydrophobic silica aerogel has not only excellent physical properties such as specific surface area and thermal conductivity, but also a controlled degree of hydrophobicity, and thus, can have high hydrophobicity.
    Type: Application
    Filed: December 18, 2024
    Publication date: July 24, 2025
    Inventors: Young Hun KIM, Se Won BAEK, Kyoung Shil OH
  • Publication number: 20250223479
    Abstract: A CMP slurry composition for polishing tungsten and a method of polishing tungsten using the composition, the composition includes a solvent, the solvent comprising a polar solvent or a nonpolar solvent; an abrasive agent; and a corrosion inhibitor, wherein the corrosion inhibitor includes a polyaminosilane having a weight average molecular weight of 500 g/mol to 5,000 g/mol, or a salt thereof.
    Type: Application
    Filed: December 31, 2024
    Publication date: July 10, 2025
    Inventors: Eui Rang LEE, Kun Bae NOH, Tae Won PARK, Ji Ho LEE, Byung Chang OH, Ji won BAEK, A Reum JUNG, Keun Sam JANG
  • Patent number: 12336541
    Abstract: The present disclosure relates to a method for producing a molded article for water purification, including: preparing a natural mineral extract in an environmentally friendly manner; preparing a natural mineral-photocatalyst aqueous solution containing photocatalytic titanium dioxide (TiO2) nanopowder dispersed in the natural mineral extract; and impregnating a plastic material with the natural mineral-photocatalyst aqueous solution under high-temperature and high-pressure conditions. The produced molded article may be installed on the surface of water or under water in lakes, reservoirs, ponds, rivers, aquariums, fish farms, swimming pools, water purification plants, and the like to adsorb and degrade organic substances, block the growth of bacteria and mold, and effectively reduce algal bloom.
    Type: Grant
    Filed: April 9, 2024
    Date of Patent: June 24, 2025
    Inventor: Sang Won Baek
  • Patent number: 12333706
    Abstract: A mask inspection method and a mask inspection apparatus for inspecting a deposition mask are provided. A mask inspection method includes: providing a deposition mask including a plurality of first openings and a plurality of second openings, each of the first openings having a shape in a plan view different from that of each of the second openings; designating a first group and a second group, each including at least one of the first openings and at least one of the second openings; comparing an image of the first group with an image of the second group; and determining whether the first group and the second group are defective, an arrangement of the first and second openings of the first group being the same as an arrangement of the first and second openings of the second group.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: June 17, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventor: Dae Won Baek
  • Patent number: 12318766
    Abstract: The present invention relates to a method for preparing a cocatalyst compound using an anhydrous hydrocarbon solvent, and a cocatalyst compound prepared thereby.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: June 3, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Seok Pil Sa, Eun Ji Shin, Ki Soo Lee, Bun Yeoul Lee, Jun Won Baek, Hyun Ju Lee
  • Publication number: 20250065288
    Abstract: A method for manufacturing an aerogel blanket, and an aerogel blanket having uniform thermal conductivity inside a substrate, wherein the method is capable of simplifying manufacturing equipment by performing gelation while rotating a substrate for a blanket into which a catalyzed sol is impregnated, improving manufacturing efficiency by controlling manufacturing time regardless of the thickness of the aerogel blanket, and improving thermal conductivity by uniformly forming aerogel in the substrate for a blanket.
    Type: Application
    Filed: November 11, 2024
    Publication date: February 27, 2025
    Inventors: Tae Gyeong KANG, Se Won BAEK, Bong June KIM
  • Publication number: 20250062212
    Abstract: There is provided a semiconductor package comprising: a substrate that includes a first surface and a second surface, wherein the second surface is opposite to the first surface; a first connection member and a second connection member on the second surface of the substrate; an upper pad on the first surface of the substrate, wherein the upper pad is electrically connected to the first connection member; a circuit pattern on the first surface of the substrate, wherein the circuit pattern is electrically connected to the second connection member; an upper passivation film on the first surface of the substrate, wherein the upper passivation film at least partially exposes the upper pad and the circuit pattern; a bump on the upper pad; and a semiconductor chip on the bump, wherein the circuit pattern is electrically separated from the semiconductor chip.
    Type: Application
    Filed: March 14, 2024
    Publication date: February 20, 2025
    Inventors: Ki Won BAEK, Dong Ok KWAK
  • Patent number: 12227425
    Abstract: Provided is a hydrophobic silica aerogel blanket comprising holes, so that the diffusion of a surface modifier is facilitated in a blanket during a surface modification process to improve the efficiency of surface modification. Accordingly, the hydrophobic silica aerogel has not only excellent physical properties such as specific surface area and thermal conductivity, but also a controlled degree of hydrophobicity, and thus, can have high hydrophobicity.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 18, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Young Hun Kim, Se Won Baek, Kyoung Shil Oh
  • Patent number: 12227424
    Abstract: Provided is a method for drying a wet-gel blanket which can have an excellent heat insulation performance by minimizing shrinkage of a gel network structure that occurs during drying, and has excellent drying efficiency versus time, and a method for producing an aerogel blanket using same.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: February 18, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Mi Ri Kim, Jin Oh Song, Young Hun Kim, Se Won Baek, Jae Hoon Choi
  • Publication number: 20250051172
    Abstract: A silica sol, a silica aerogel blanket using the same, and a method for manufacturing the same, wherein a hydrophobizing agent, a base catalyst, an organic solvent, and water are included in a catalyst composition when manufacturing the silica aerogel blanket, so that a wet aging step which is performed under high-temperature conditions and increases the amount of a solvent used, surface modification step which uses a large amount of an organic solvent and an expensive surface modifier, resulting in a process that is complex and long and thus inhibiting economic feasibility and productivity, can be omitted.
    Type: Application
    Filed: October 30, 2024
    Publication date: February 13, 2025
    Applicant: LG Chem, Ltd.
    Inventors: Kyu Reon Lee, Se Won Baek, Hyun Woo Jeon, Mi Ri Kim, Sung Min Yu, Sang Woo Park, Bong June Kim
  • Patent number: 12187823
    Abstract: A ligand compound having a novel structure, a transition metal compound including the same, a catalyst composition including the transition metal compound, and a method of preparing an olefin polymer using the catalyst composition are disclosed herein. In some embodiments, the transition metal compound is represented by Formula 1. In some embodiments, the ligand compound is represented by Formula 2.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: January 7, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Seul Ki Im, Eun Ji Shin, Seok Pil Sa, Ki Soo Lee, Bun Yeoul Lee, Jun Won Baek, Hyun Ju Lee
  • Patent number: 12186721
    Abstract: Provided is a method for manufacturing an aerogel blanket, and an aerogel blanket having uniform thermal conductivity inside a substrate, wherein the method is capable of simplifying manufacturing equipment by performing gelation while rotating a substrate for a blanket into which a catalyzed sol is impregnated, improving manufacturing efficiency by controlling manufacturing time regardless of the thickness of the aerogel blanket, and improving thermal conductivity by uniformly forming aerogel in the substrate for a blanket.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: January 7, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Tae Gyeong Kang, Se Won Baek, Bong June Kim
  • Patent number: 12166160
    Abstract: An apparatus for manufacturing a display device includes a stage, a first electric field applying module including first probe pins and disposed on a first side of the stage, a light irradiation module including light-emitting elements and disposed on the stage, and a first voltage output module that outputs an emission driving signal that drives the light-emitting elements, outputs a first alignment signal to one of the first probe pins, and outputs a second alignment signal to another one of the first probe pins.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Won Baek, Lae Ho Kim, Sang Woong Baek, Young Geun Cho, Chung Sic Choi
  • Publication number: 20240384012
    Abstract: The present disclosure relates to a method for preparing an ethylene-vinyl alcohol copolymer capable of efficiently obtaining the ethylene-vinyl alcohol copolymer. Specifically, as the present disclosure performs a supercritical extraction process after saponifying an ethylene-vinyl acetate copolymer in the presence of an alkali catalyst, it is possible to minimize the generation of waste liquid and effectively remove by-products such as catalyst residues without complicated equipment such as a multi-stage distillation column, or a pipe mixer and a water tank, and thus an ethylene-vinyl alcohol copolymer can be efficiently obtained.
    Type: Application
    Filed: December 23, 2022
    Publication date: November 21, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Bongjune Kim, Se Won Baek, Hyojin Bae, Sungjin Song
  • Patent number: 12142650
    Abstract: A semiconductor device includes first and second isolation regions, a first active region extending in a first direction between the first and second isolation regions, a first fin pattern on the first active region, nanowires on the first fin pattern, a gate electrode in a second direction on the first fin pattern, the gate electrode surrounding the nanowires, a first source/drain region on a side of the gate electrode, the first source/drain region being on the first active region and in contact with the nanowires, and a first source/drain contact on the first source/drain region, the first source/drain contact including a first portion on a top surface of the first source/drain region, and a second portion extending toward the first active region along a sidewall of the first source/drain region, an end of the first source/drain contact being on one of the first and second isolation regions.
    Type: Grant
    Filed: October 26, 2023
    Date of Patent: November 12, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Hoon Lee, Chang Woo Sohn, Keun Hwi Cho, Sang Won Baek
  • Patent number: 12139410
    Abstract: The present invention provides an aerogel blanket including a blanket base, aerogel coupled on the surface of the blanket base, and aerogel located at a space between the blanket bases, the aerogel coupled on the surface of the blanket base is 50 wt % based on the total weight of aerogel, wherein the aerogel blanket has the number of aerogel particles separated from the aerogel blanket ranging from 13,600 to 90,000 per ft3, when vibrating the aerogel blanket at a frequency of 1 Hz to 30 Hz for 2 hours to 10 hours.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: November 12, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Tae Gyeong Kang, Bong June Kim, Se Won Baek, Hyun Woo Jeon, Sung Min Yu, Young Hun Kim, Sang Woo Park
  • Publication number: 20240360303
    Abstract: Provided are a method of preparing a modified propylene-based polymer using a radical initiator in a solution state, and a modified propylene-based polymer prepared by the method. Since the modified propylene-based polymer prepared by the method according to some embodiments has less xylene soluble content and includes a long chain branch (LCB) uniformly, it may have improved processability and/or productivity.
    Type: Application
    Filed: September 25, 2023
    Publication date: October 31, 2024
    Applicants: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Sung Jae Na, Myung Jun Park, Hyo Seung Park, Jun Won Baek
  • Publication number: 20240359994
    Abstract: A supercritical drying device for preparing a silica wet gel blanket, in which the accumulation of salts inside equipment during supercritical drying is prevented. The accumulation of salts inside equipment is prevented by cooling the line filter to have an outer surface temperature in a range of 0° C.-50° C. resulting in improved operational stability of the supercritical drying process. In addition, because a line filter can be separated and easily cleaned, the time required for cleaning and the total amount of ammonia wastewater from the cleaning can be reduced, thereby resulting in the effects of improved efficiency and reduced costs.
    Type: Application
    Filed: July 9, 2024
    Publication date: October 31, 2024
    Inventors: Kyoung Shil OH, Se Won BAEK
  • Publication number: 20240360252
    Abstract: This invention relates to a-A method for preparing ethylene-vinyl alcohol copolymer capable of obtaining ethylene-vinyl alcohol copolymer of high saponification degree, while minimizing the amount of alkali catalysts used is disclosed herein. The method comprises adding a first alkali catalyst solution dropwise to ethylene-vinyl acetate copolymer dispersed in an alcohol solvent, and adding a second alkali catalyst solution dropwise to the first saponification reaction mixture.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 31, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Hyojin Bae, Bongjune Kim, Sungjin Song, Se Won Baek
  • Publication number: 20240325311
    Abstract: An oral dosage form in a form of a bi-layer complex tablet is disclosed. The bi-layer oral complex tablet contains colloidal silicon dioxide in an amount of 0.5 to 2% by weight based on a total weight of the first layer. A method for manufacturing the bi-layer oral complex tablet dosage form is also disclosed.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 3, 2024
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Jin Wook TAK, Ji Won BAEK, Taek Kwan KWON, Ho Taek IM, Yong II KIM