Patents by Inventor Bong Choi

Bong 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: 20220161583
    Abstract: In a leveling unit for imprinting and an imprint apparatus having the leveling unit, the leveling unit includes a base plate, a moving plate and a plurality of link parts. The moving plate is spaced apart from the base plate, and has a reference plane heading for an opposite direction of the base plate. The plurality of link parts connects the base plate with the moving plate, is spaced apart from each other by a predetermined distance along a circumferential direction with respect to a center of the reference plane, and is elastically and independently transformed by a pressing force applied to the reference plane to adjust an inclination of the moving plate.
    Type: Application
    Filed: July 20, 2020
    Publication date: May 26, 2022
    Applicant: Korea Institute of Machinery & Materials
    Inventors: Kee-Bong CHOI, Jae-Jong LEE, Geehong KIM, Hyungjun LIM, Soongeun KWON, Junhyoung AHN
  • Publication number: 20220157645
    Abstract: Provided is a support unit for supporting a substrate, the support unit including: a heating member configured to transmit thermal energy to a supported substrate; a reflective plate disposed under the heating member and configured to reflect thermal energy generated by the heating member to the substrate; a cooling plate disposed under the reflective plate and formed with a cooling flow path in which a cooling fluid flows; and a gas supply line configured to supply gas to a space between the reflective plate and the cooling plate.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 19, 2022
    Inventors: SOO HAN SONG, CHUL GOO KIM, JUNG BONG CHOI, CHEOL-YONG SHIN, JAE-YOUL KIM
  • Publication number: 20220111140
    Abstract: A drug infusion set is provided, in which a catheter fixing unit and a drug infusion unit are mounted/unmounted, the catheter fixing unit includes a body member, which includes a guide unit, in which a receiving space is formed in a downward direction from an upper surface; a drug injection unit, in which an accommodation space is formed in a horizontal direction from the other side to communicate with the guide unit, and into which the drug infusion unit is inserted; and a catheter insertion unit, which extends in a downward direction of the guide unit; a guided insertion member, which is provided with a guide needle, inserted into the guide unit; first and second sealing members, which are inserted into the accommodation space of the guide unit and the drug injection unit; and a catheter, which is inserted into the catheter insertion unit.
    Type: Application
    Filed: December 1, 2020
    Publication date: April 14, 2022
    Applicant: SOOIL Development Co., Ltd
    Inventor: Soo-Bong Choi
  • Publication number: 20210404933
    Abstract: The present invention relates generally to an apparatus for identifying biological particles. More particularly, the present invention relates to a small apparatus for identifying biological particles, wherein in a single apparatus having a simple structure, a cleaning solution is suctioned to separate the biological particles from a filter and a sample solution is discharged, the discharged sample solution is injected into a plurality of ticket modules, and the biological particles are identified by image analysis for the ticket modules, thereby enabling miniaturization of the apparatus.
    Type: Application
    Filed: July 31, 2019
    Publication date: December 30, 2021
    Inventors: Yeon Chul HA, Ki Bong CHOI
  • Patent number: 11211585
    Abstract: A flexible substrate includes a first flexible thin film including a first region and a second region surrounding the first region; a second flexible thin film on the first thin film and in the first and second regions; and an intermediate blocking layer between the first and second thin films and in the first region.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: December 28, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Nack-Bong Choi, Byung-Su Ahn, Yoon-Dong Cho
  • Publication number: 20210284550
    Abstract: The present invention relates to a lithium-titanium complex oxide, a preparation method thereof, and a lithium secondary battery comprising the same and, more specifically, to a lithium-titanium complex oxide which maintains appropriate pores within particles, and which is prepared by adding a pore inducing material in the wet-milling step to adjust sizes of primary particles of the lithium-titanium complex oxide, a preparation method thereof, and a lithium secondary battery comprising the same.
    Type: Application
    Filed: May 26, 2017
    Publication date: September 16, 2021
    Inventors: Su Bong CHOI, Chun Gu KANG, Jeong Eun CHOI, Seung Chang JEONG, Jae An LEE, Jeong Han KIM
  • Patent number: 11075364
    Abstract: A display device comprises a display panel; a light control layer disposed on one side of the display panel through which light is transmitted, the light control layer including a plurality of light absorption patterns spaced apart from each other; and a plurality of reflection patterns disposed under the plurality of light absorption patterns and reflecting light travelling toward to the plurality of light absorption patterns.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: July 27, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong-Yul Kim, Nack-Bong Choi
  • Publication number: 20210149513
    Abstract: The present disclosure provides a touch display device including: a plurality of emitting elements; an adhesive layer over the emitting elements; a first touch electrode and a second touch electrode over the adhesive layer and in an active area; a pad electrode over the adhesive layer and in a touch pad region; and a protection layer over the first touch electrode, the second touch electrode and the pad electrode, wherein the first and second touch electrode are insulated by an insulating layer, and the protection layer includes at least one contact hole corresponding to the pad electrode, and wherein the pad electrode includes a plurality of electrode layers, and one of the plurality of electrode layers extends from the first touch electrode or the second touch electrode.
    Type: Application
    Filed: October 28, 2020
    Publication date: May 20, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Mi-Rae Lee, Kyoung-Mook Lee, Nack-Bong Choi, Young-Jun Jeon
  • Patent number: 11011749
    Abstract: The present invention relates to a lithium-titanium complex oxide used in an electrode active material. A preparation method of a lithium-titanium complex oxide according to the present invention comprises the steps of: preparing a slurry mixture in which a titanium oxide, lithium and zirconium are mixed; wet-milling the mixture using beads having a size of 0.30 mm or less to obtain a wet-milled mixture; spray drying the wet-milled mixture to obtain a spray dried mixture; and calcining the spray dried mixture.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: May 18, 2021
    Assignee: POSCO CHEMICAL CO., LTD
    Inventors: Su Bong Choi, Chun Gu Kang, Jeong Eun Choi, Seung Chang Jeong, Jae An Lee, Jeong Han Kim
  • Publication number: 20210020930
    Abstract: A lithium titanium composite oxide including aluminum-coated primary particles and a method for manufacturing the same are disclosed. A lithium titanium composite oxide including aluminum-coated primary particles according to an embodiment is manufactured by coating lithium titanium oxide primary particles with aluminum by mixing an aluminum compound with re-pulverized particles and then by spray-drying the mixture again to prepare secondary particles. A battery including the lithium titanium composite oxide including the aluminum-coated primary particles exhibits effects of suppressing electrolyte decomposition and gas generation that may be respectively caused by titanium ions and residual lithium in conventional lithium titanium composite oxides.
    Type: Application
    Filed: March 12, 2019
    Publication date: January 21, 2021
    Applicant: POSCO CHEMICAL CO., LTD
    Inventors: Su Bong CHOI, Chun Gu KANG, Jeong Han KIM, Jae An LEE
  • Patent number: 10824256
    Abstract: A flexible display device includes a touch electrode array including a buffer layer with a through hole in the buffer layer, a touch pad metal electrode in the through hole, a plurality of touch patterns on the buffer layer, and a flexible printed circuit contacting the touch pad electrode. Optionally, the flexible printed circuit can also contact a thin-film transistor pad on an organic light emitting array substrate laminated to the touch electrode array.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: November 3, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Nack-Bong Choi, Mi-Seong Kim
  • Patent number: 10770520
    Abstract: An organic light emitting display device realizes slimness, having flexibility, and effectively reducing or preventing visibility of reflected external light, which includes an organic light emitting panel, a first adhesive layer on the organic light emitting panel, a touch electrode array being in contact with the first adhesive layer, a separation layer on the touch electrode array, and a cover film on the separation layer.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: September 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jong-Kyun Lee, Nack-Bong Choi, Myung-Woo Han
  • Patent number: 10734681
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery, the electrolyte including a lithium salt; an organic solvent; and an additive, wherein the additive includes LiPO2F2, and a compound represented by the following Chemical Formula 1:
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Ha-Rim Lee, Mi-Young Son, Hyun-Bong Choi
  • Publication number: 20200218157
    Abstract: A method for utilizing plasma processing for removing polymer residue during semiconductor manufacture is implemented in a plasma processing device. The plasma processing device includes a processing chamber and an electrostatic chuck therein. The electrostatic chuck includes a support surface and lift pin configured to be raised from a first position to a second position. Disposing the substrate on the supporting surface when the lift pin is at the first position. Generating a first plasma in the processing chamber, the first plasma formed from a first processing gas. The first processing gas includes a first mixing gas including hydrogen and nitrogen. Raising the lift pin to the second position to separate the substrate from the support surface. Generating a second plasma in the processing chamber, the second plasma formed from a second processing gas. The second processing gas includes a second mixing gas including hydrogen and nitrogen.
    Type: Application
    Filed: December 12, 2019
    Publication date: July 9, 2020
    Inventor: SEUNG-BONG CHOI
  • Publication number: 20200194719
    Abstract: A flexible substrate includes a first flexible thin film including a first region and a second region surrounding the first region; a second flexible thin film on the first thin film and in the first and second regions; and an intermediate blocking layer between the first and second thin films and in the first region.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 18, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Nack-Bong Choi, Byung-Su Ahn, Yoon-Dong Cho
  • Publication number: 20200168844
    Abstract: A display device comprises a display panel; a light control layer disposed on one side of the display panel through which light is transmitted, the light control layer including a plurality of light absorption patterns spaced apart from each other; and a plurality of reflection patterns disposed under the plurality of light absorption patterns and reflecting light travelling toward to the plurality of light absorption patterns.
    Type: Application
    Filed: November 26, 2019
    Publication date: May 28, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Dong-Yul KIM, Nack-Bong CHOI
  • Publication number: 20200144614
    Abstract: The present invention relates to a lithium-titanium complex oxide used in an electrode active material. A preparation method of a lithium-titanium complex oxide according to the present invention comprises the steps of: preparing a slurry mixture in which a titanium oxide, lithium and zirconium are mixed; wet-milling the mixture using beads having a size of 0.30 mm or less to obtain a wet-milled mixture; spray drying the wet-milled mixture to obtain a spray dried mixture; and calcining the spray dried mixture.
    Type: Application
    Filed: May 26, 2017
    Publication date: May 7, 2020
    Inventors: Su Bong CHOI, Chun Gu KANG, Jeong Eun CHOI, Seung Chang JEONG, Jae An LEE, Jeong Han KIM
  • Publication number: 20200035757
    Abstract: An organic light emitting display device realizes slimness, having flexibility, and effectively reducing or preventing visibility of reflected external light, which includes an organic light emitting panel, a first adhesive layer on the organic light emitting panel, a touch electrode array being in contact with the first adhesive layer, a separation layer on the touch electrode array, and a cover film on the separation layer.
    Type: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Inventors: Jong-Kyun LEE, Nack-Bong CHOI, Myung-Woo HAN
  • Patent number: 10541281
    Abstract: Disclosed is a touch organic light-emitting display device that is capable of stably connecting metal mesh electrodes to each other using a plurality of bridges and of minimizing the occurrence of parasitic capacitance. The display device includes an organic light-emitting array including pixel openings and a bank insulation film, and a touch electrode array bonded to the organic light-emitting array. The touch electrode array includes first and second mesh electrodes arranged in first and second directions and having a multiple-lattice structure, bridges for connecting first mesh electrodes to each other, and connecting patterns for connecting second mesh electrodes to each other. The bridges do not overlap the second mesh electrodes but overlap the connecting patterns so as to intersect the same. The first and second mesh electrodes, the bridges and the connecting patterns overlap the bank insulation film.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: January 21, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jong-Hyun Han, Se-Jong Yoo, Nack-Bong Choi
  • Patent number: 10490427
    Abstract: A substrate treating apparatus is provided which includes a treating container of which a top end is opened, a substrate support unit placed in a treating container to support a substrate, a treatment solution supply unit supplying a treatment solution to a substrate put on the support unit, and a heating unit placed in the substrate support unit to heat the substrate. The heating unit includes a heating element and a reflection element reflecting a heat from the heating element upward.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: November 26, 2019
    Assignee: SEMES CO., LTD.
    Inventors: Jung Bong Choi, Seong Soo Kim, Chan-Young Heo, Oh Jin Kwon