Patents by Inventor Woo-Jae Lee

Woo-Jae Lee 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: 20240116044
    Abstract: An atomic layer deposition method for manufacturing a platinum-based alloy catalyst includes applying a support in a reactor and depositing an alloy of platinum and a non-platinum metal on the support through a super cycle comprising a first sub-cycle and a second sub-cycle.
    Type: Application
    Filed: April 19, 2023
    Publication date: April 11, 2024
    Inventors: Jung Yeon Park, Woong Pyo Hong, Seung Jeong Oh, Se Hun Kwon, Susanta Bera, Hyun Jae Woo, Woo Jae Lee
  • Publication number: 20240108778
    Abstract: Disclosed herein are an air cleaning and disinfection robot and a method of operating the same. The air cleaning and disinfection robot includes a driving unit configured to move autonomously in a target space, a plurality of air conditioning modules configured to manage air quality in the target space and detachably provided on the driving unit, a station on which the plurality of air conditioning modules are mounted, a docking unit configured to couple and separate the driving unit and each of the air conditioning modules to and from each other, and a detection unit configured to detect an operation environment of the target space, wherein the driving unit, based on information obtained by the detection unit, may selectively couple to and move with any one of the plurality of air conditioning modules.
    Type: Application
    Filed: September 29, 2023
    Publication date: April 4, 2024
    Inventors: Tae Hyun KIM, Jong Wook KIM, Jong Kyu OH, Woo Jae LEE
  • Patent number: 11433368
    Abstract: A method for producing a catalyst for a fuel cell comprising: a) injecting carbon particles into a fluidized bed reactor; b) evacuating the fluidized bed reactor to form a base pressure; c) introducing a catalytic metal precursor together with a carrier gas into the fluidized bed reactor to contact the catalytic metal precursor with the carbon particles; d d) purging a purge gas into the fluidized bed reactor; e) introducing a reaction gas into the fluidized bed reactor to attach the catalytic metal precursor to the carbon particles; and f) purging a purge gas into the fluidized bed reactor, wherein, the catalytic metal is attached to the carbon particles in a form of nano-sized spot.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: September 6, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Woong Pyo Hong, Se Hun Kwon, Woo Jae Lee
  • Patent number: 11278878
    Abstract: Disclosed is a method of preparing a catalyst having a conductive oxide protective layer. The method may include providing (e.g., supplying) a carbon support having a metal catalyst supported thereon to a fluidized bed reactor, and forming a conductive oxide protective layer using atomic layer deposition (ALD). Particularly, the atomic layer deposition may include supplying a conductive oxide precursor to the fluidized bed reactor, conducting a first purging by supplying an inert gas to the fluidized bed reactor, converting the conductive oxide precursor to conductive oxide by supplying a reactive gas to the fluidized bed reactor, and conducting a second purging by supplying an inert gas to the fluidized bed reactor.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: March 22, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Institute for Research & Industry Cooperation Pusan National University
    Inventors: Seung Jeong Oh, Woong Pyo Hong, Woo Jae Lee, Se Hun Kwon
  • Patent number: 11241682
    Abstract: Disclosed is a method for preparing a metal catalyst composite. The method includes pre-treating a carbon support in a reactor, and depositing a metal precursor on the pre-treated carbon support. The pre-treating the carbon support may include exposing the carbon support to a nucleating agent, for example, titanium tetrachloride (TiCl4), silicon tetrachloride (SiCl4) and carbon tetrachloride (CCl4).
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: February 8, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Institute for Research & Industry Cooperation Pusan National University
    Inventors: Woong Pyo Hong, Seung Jeong Oh, Jin Hyeok Cha, Se Hun Kwon, Woo Jae Lee
  • Publication number: 20200298221
    Abstract: Disclosed is a method of preparing a catalyst having a conductive oxide protective layer. The method may include providing (e.g., supplying) a carbon support having a metal catalyst supported thereon to a fluidized bed reactor, and forming a conductive oxide protective layer using atomic layer deposition (ALD). Particularly, the atomic layer deposition may include supplying a conductive oxide precursor to the fluidized bed reactor, conducting a first purging by supplying an inert gas to the fluidized bed reactor, converting the conductive oxide precursor to conductive oxide by supplying a reactive gas to the fluidized bed reactor, and conducting a second purging by supplying an inert gas to the fluidized bed reactor.
    Type: Application
    Filed: February 25, 2020
    Publication date: September 24, 2020
    Inventors: Seung Jeong Oh, Woong Pyo Hong, Woo Jae Lee, Se Hun Kwon
  • Publication number: 20200276569
    Abstract: Disclosed is a method for preparing a metal catalyst composite. The method includes pre-treating a carbon support in a reactor, and depositing a metal precursor on the pre-treated carbon support. The pre-treating the carbon support may include exposing the carbon support to a nucleating agent, for example, titanium tetrachloride (TiCl4), silicon tetrachloride (SiCl4) and carbon tetrachloride (CCl4).
    Type: Application
    Filed: October 24, 2019
    Publication date: September 3, 2020
    Inventors: Woong Pyo Hong, Seung Jeong Oh, Jin Hyeok Cha, Se Hun Kwon, Woo Jae Lee
  • Publication number: 20200179893
    Abstract: A method for producing a catalyst for a fuel cell comprising: a) injecting carbon particles into a fluidized bed reactor; b) evacuating the fluidized bed reactor to form a base pressure; c) introducing a catalytic metal precursor together with a carrier gas into the fluidized bed reactor to contact the catalytic metal precursor with the carbon particles; d d) purging a purge gas into the fluidized bed reactor; e) introducing a reaction gas into the fluidized bed reactor to attach the catalytic metal precursor to the carbon particles; and f) purging a purge gas into the fluidized bed reactor, wherein, the catalytic metal is attached to the carbon particles in a form of nano-sized spot.
    Type: Application
    Filed: November 11, 2019
    Publication date: June 11, 2020
    Inventors: Woong Pyo Hong, Se Hun Kwon, Woo Jae Lee
  • Patent number: 10248295
    Abstract: A system, method, and computer-readable media are described for suggesting an action based on multiple descriptors within a textual communication (e.g. email, text message). In one embodiment, event descriptors within an email are identified and displayed to the email recipient with an indication that the descriptors are selectable. Upon receiving the selection of at least two descriptors, an action is suggested to the recipient for acceptance. Upon receiving the acceptance, the proposed action is performed.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: April 2, 2019
    Assignee: Sprint Communications Company L.P.
    Inventors: Woo Jae Lee, Peter Syromiatnikov, Sanjay K. Sharma
  • Patent number: 10139672
    Abstract: A liquid crystal display includes: a substrate including a plurality of pixel areas; a TFT disposed on the substrate; a pixel electrode connected with the TFT and disposed on the TFT; a common electrode positioned on the pixel electrode and separated from the pixel electrode by a microcavity; a roof layer disposed on the common electrode; an injection hole disposed in the common electrode and the roof layer along a long-axial direction of the substrate to expose a part of the microcavity; a liquid crystal layer filling the microcavity; a first polarizer having a polarization axis in a short-axial direction of the substrate on the roof layer; and a second polarizer having a polarization axis in a long-axial direction of the substrate below the substrate, in which heights of edges in the long-axial and short-axial directions of the substrate are larger than a height of the center of the substrate.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: November 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Woo Lee, Dae Ho Song, Woo Jae Lee
  • Patent number: 10036918
    Abstract: The inventive concept relates to a light unit and a diffuser separated from the light source at a predetermined distance and having a cylindrical structure, and a cylindrical structure display device including the same.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: July 31, 2018
    Assignee: Samsung Display Co., ltd.
    Inventors: Seon Uk Lee, Nam Seok Roh, Woo Jae Lee, Hee-Keun Lee, Don Chan Cho
  • Patent number: 10007153
    Abstract: Provided are a liquid crystal display and a method for fabricating the same. The liquid crystal display comprises a substrate having a plurality of pixel areas; a first electrode formed on the substrate in the unit of a pixel area; a fine space layer positioned on the first electrode; a partition formed between the adjacent fine space layers to partition the plurality of pixel areas; a roof layer formed on the fine space layer and the partition to define the fine space layer between the substrate and the partition; and a second electrode formed on a bottom surface of the roof layer, wherein the second electrode comes in contact with an upper surface of the partition.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: June 26, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang Soo Bae, Sang Il Park, Sung Hwan Won, Woo Jae Lee, Tae Woo Lim
  • Patent number: 9803101
    Abstract: The invention relates to a polymer dispersion for paper coating compositions obtainable by means of a radically initiated, aqueous emulsion polymerization of a) 60 to 97% by weight of vinyl acetate, b) 2 to 30% by weight of ethylene, c) 0.5 to 5% by weight of at least one ethylenically unsaturated silane monomer, d) 0.5 to 5% by weight of at least one ethylenically unsaturated carboxylic acid, based in each case on the total weight of the monomers used for the polymerization, and the data in % by weight summing in each case to 100% by weight, in the presence of one or more polymeric emulsifiers.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: October 31, 2017
    Assignee: WACKER CHEMIE AG
    Inventors: Yong Hae Choi, Jong Bok Kim, Woo Jae Lee
  • Patent number: 9772516
    Abstract: A liquid crystal display is provided that includes: a substrate; a thin film transistor disposed on the substrate; a protection layer disposed on the thin film transistor; a first electrode and a second electrode disposed on the protection layer; an alignment layer disposed on the second electrode; and a roof layer facing the second electrode, wherein a plurality of microcavities are formed between the second electrode and the roof layer, the microcavities include a liquid crystal material, and the alignment layer includes a photo-alignment material.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: September 26, 2017
    Assignee: Samsung Display Co., ltd.
    Inventors: Hee-Keun Lee, Suk Hoon Kang, Sang Il Kim, Yeun Tae Kim, Dong Youb Oh, Mi Hwa Lee, Woo Jae Lee, Jun Woo Lee
  • Patent number: 9769425
    Abstract: A video conferencing system contains one or more display adjusting components, whereby an object to be displayed can be adjusted to appropriately fit various sized display screens. A display adjusting component is contained within the sending client, which adjusts the image of the object to be appropriately displayed to one or more receiving clients. The receiving clients also contain a display adjusting component, which can further adjust the image of the object to be displayed, as necessary. The multimedia conferencing server of the video conferencing system also contains a display adjusting component, which negotiates parameters of the sending and receiving clients. Any of the display adjusting components can function alone, or in any combination together. A method, and computer-readable media which contain computer-readable instructions to perform a method, of adjusting an image for video conference display are also described.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: September 19, 2017
    Assignee: Sprint Communications Company L.P.
    Inventors: Woo Jae Lee, Hannah Jo Sifuentes, Trevor Daniel Shipley
  • Patent number: 9696600
    Abstract: A display device may include a substrate and a first roof layer portion that is formed of a roof layer material and overlaps the substrate in a direction, the direction is perpendicular to a surface of the substrate. A lateral surface of the first roof layer portion is disposed in a plane. The display device may further a second roof layer portion formed of the roof layer material and separated from the first roof layer portion. The display device may further a common electrode portion disposed between the first roof layer portion and the substrate in the direction. A lateral surface of the common electrode portion is disposed in the plane or is spaced from the lateral surface of the first roof layer portion in a second direction parallel to the surface of the substrate. The display device may further a pixel electrode disposed between the first common electrode portion and the substrate.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: July 4, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Ho Lee, Won Tae Kim, Sung Hwan Won, You Young Jin, Kyung Tae Chae, Pil Sook Kwon, Yong Seok Kim, Han Joon Yoo, Seon Uk Lee, Woo Jae Lee, Tae Woo Lim
  • Patent number: 9678376
    Abstract: A liquid crystal display includes a microcavity formed on an insulation substrate that has a tapered side wall; a liquid crystal layer positioned in the microcavity; and a column portion in contact with the tapered side wall of the microcavity and between microcavities. The column portion includes a second column organic layer and a first column insulating layer formed outside the second column organic layer, and a side surface of first column insulating layer coincides with the side wall of the microcavity.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: June 13, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Ho Lee, Yong Seok Kim, Pil Sook Kwon, Won Tae Kim, Sung Hwan Won, Jong Seong Kim, Woo Jae Lee
  • Patent number: 9645427
    Abstract: A liquid crystal display includes a substrate; a thin film transistor on the substrate; a pixel electrode connected to the thin film transistor; a first insulating layer facing the pixel electrode; a plurality of microcavities each defined between the pixel electrode and the first insulating layer and including a liquid crystal injection hole exposing an inside of the microcavity; a liquid crystal layer including liquid crystal molecules, in the microcavities; a light blocking layer between adjacent microcavities; and a passivation layer member enclosing the light blocking layer.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Hwan Won, Yong Seok Kim, Tae Woo Lim, Pil Sook Kwon, Won Tae Kim, Han Joon Yoo, Dae Ho Lee, Nam Seok Roh, Woo Jae Lee
  • Publication number: 20170107394
    Abstract: The invention relates to a polymer dispersion for paper coating compositions obtainable by means of a radically initiated, aqueous emulsion polymerization of a) 60 to 97% by weight of vinyl acetate, b) 2 to 30% by weight of ethylene, c) 0.5 to 5% by weight of at least one ethylenically unsaturated silane monomer, d) 0.5 to 5% by weight of at least one ethylenically unsaturated carboxylic acid, based in each case on the total weight of the monomers used for the polymerization, and the data in % by weight summing in each case to 100% by weight, in the presence of one or more polymeric emulsifiers.
    Type: Application
    Filed: March 27, 2014
    Publication date: April 20, 2017
    Applicant: WACKER CHEMIE AG
    Inventors: Yong Hae CHOI, Jong Bok KIM, Woo Jae LEE
  • Patent number: D877349
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: March 3, 2020
    Assignee: Attibe Beauty Co., Ltd.
    Inventors: Seung Gyu Jeon, Jin Woo Lee, Woo Jae Lee