Patents by Inventor Dong Woo Park

Dong Woo Park 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: 20240077618
    Abstract: A functional safety system of a robot according to an exemplary embodiment of the present disclosure can duplicate modules so as to satisfy a performance level d (pl-d) required for the functional satisfy of a robot.
    Type: Application
    Filed: May 12, 2023
    Publication date: March 7, 2024
    Inventors: Seong Ju PARK, Dong Hyeon SEO, Seung Ho JANG, Min Chang, Yun Jib Kim, Chang Woo Kim
  • Publication number: 20240072103
    Abstract: A display device including: a substrate including a display area including a pixel area, and a non-display area at at least one side of the display area; a pixel in the pixel area, and including a light emitting element, a color conversion layer located on the light emitting element, and a color filter layer located on the color conversion layer; a first step difference compensation pattern in the non-display area, and around the display area; and a second step difference compensation pattern in the non-display area, and including a first end adjacent to the display area, and a second end opposite to the first end and located adjacent to an edge of the substrate, wherein the second step difference compensation pattern is located on the first step difference compensation pattern and overlaps the first step difference compensation pattern, and covers one end of the first step difference compensation pattern.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 29, 2024
    Inventors: Ji Hye LEE, Kyung Bae KIM, Dong Woo KIM, Do Yeong PARK
  • Publication number: 20240071910
    Abstract: A three-dimensional semiconductor device may comprise a first cell region, a second cell region, and a via plug region disposed between the first cell region and the second cell region; a word line stack disposed in the first cell region, the via plug region, and the second cell region, the word line stack including a plurality of word lines and a plurality of interlayer insulating layers which are alternately stacked; and a plurality of via plugs exclusively connected to the plurality of the word lines, respectively, by vertically penetrating through the word line stack in the via plug region. The via plugs may have an arrangement of a zigzag pattern in a row direction from a top view. The diameters of the via plugs may increase in the row direction.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Inventors: Sung Lae OH, Sang Woo PARK, Dong Hyuk CHAE
  • Publication number: 20240072228
    Abstract: A display device comprises a first pixel including a first emission area, a second pixel including a second emission area spaced apart from the first emission area in a first direction, and a bank partitioning the first emission area and the second emission area, wherein the first pixel includes a first alignment electrode, a second alignment electrode, and a third alignment electrode sequentially located, spaced apart from each other in the first direction, and overlapping with the first emission area, first light-emitting elements above, and overlapping with, the first alignment electrode and the second alignment electrode, second light-emitting elements above, and overlapping with, the second alignment electrode and the third alignment electrode, and a dummy electrode between the first emission area and the second emission area, and overlapping with the bank.
    Type: Application
    Filed: August 2, 2023
    Publication date: February 29, 2024
    Inventors: Won Jun LEE, Dong Woo KIM, Do Yeong PARK, Se Hyun LEE, Kwi Hyun KIM, Min Gyeong SHIN, Jin Joo HA
  • Patent number: 11917818
    Abstract: A memory may include a first wafer, and a second wafer stacked on and bonded to the first wafer. The first wafer may include a cell structure including a memory cell array; and a first logic structure disposed under the cell structure, and including a row control circuit. The second wafer may include a second logic structure including a column control circuit.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: February 27, 2024
    Assignee: SK HYNIX INC.
    Inventors: Sung Lae Oh, Sang Woo Park, Dong Hyuk Chae, Ki Soo Kim
  • Patent number: 11917879
    Abstract: A display device including: a substrate; an active layer disposed on the substrate and including active patterns; a first conductive layer disposed on the active layer; a second conductive layer disposed on the first conductive layer and including a data line; a third conductive layer disposed on the second conductive layer; and a light-emitting element disposed on the third conductive layer, wherein the first conductive layer includes a scan line, a first voltage line, and a second voltage line, the third conductive layer includes a third voltage line connected to the first voltage line and a fourth voltage line connected to the second voltage line, the first voltage line and the second voltage line extend in a first direction, the third voltage line and the fourth voltage line extend in a second direction, and the third voltage line and the fourth voltage line are alternately arranged in the first direction.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang Moon Jo, Dong Woo Kim, Sung Jae Moon, Jun Hyun Park, An Su Lee
  • Patent number: 11912895
    Abstract: The present invention relates to a fire resistant paint composition, to a production method for same and to a painting method for a fire resistant paint using same, and, one example of implementation of the present invention can provide a fire resistant paint composition comprising: between 70 and 95 wt. % of a binder; between 1 and 10 wt. % of an aerogel; between 1 and 5 wt. % of a foaming agent; and the remainder of water, and can provide a production method for same and a painting method for a fire resistant paint using same.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: February 27, 2024
    Assignee: AEROGEL R&D PTE. LTD.
    Inventors: Myung Je Roh, Young Chul Joung, Jong Chul Park, Min Woo Kim, Choon Soo Hahn, Dong Ho Jung, Do Young Park
  • Publication number: 20240063557
    Abstract: Disclosed is an antenna-sub harmonic mixer block, which includes a dielectric block disposed on a PCB substrate having a ground surface, an antenna including first antenna patch provided on the dielectric block and having a metal patch and a slot, and a second antenna patch provided on the dielectric block, spaced apart from the first antenna patch to surround the first antenna patch, and that receives a ground voltage at the same potential as the ground surface of the PCB substrate, an RF ground wire disposed on the dielectric block and connected from the first antenna patch to a surface having the same potential as the ground surface, an RF switching stage disposed on the dielectric block, connected to the first antenna patch, and that provides a switching ON/OFF operation in conjunction with the RF ground wire depending on a magnitude of a local signal LO.
    Type: Application
    Filed: May 30, 2023
    Publication date: February 22, 2024
    Inventors: Young Ho KIM, Kyung Hyun PARK, Dong Woo PARK, JUN-HWAN SHIN, Il Min LEE
  • Patent number: 11876143
    Abstract: Provided is a terahertz light source device including an antenna, a plurality of wire electrodes configured to connect the antenna to a power source, a capacitor connected to the wire electrodes between the antenna and the power source, and a plurality of resonance tunneling diodes connected to the wire electrodes between the capacitor and the antenna, and configured to generate a terahertz wave by coupling with the capacitor as a parallel resonance circuit with respect to the power source.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: January 16, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kiwon Moon, Kyung Hyun Park, Dong Woo Park, Jun-Hwan Shin, Eui Su Lee, Hyun Soo Kim, Il Min Lee
  • Patent number: 11846584
    Abstract: A measurement apparatus for measuring a coating amount of a slurry according to the present disclosure includes a light emitter configured to irradiate terahertz wave onto a release paper coated with the slurry, a light receiver configured to receive the terahertz wave, which is irradiated from the light emitter and passes through the release paper coated with the slurry, to obtain a power of the terahertz wave, and a calculating part configured to calculate a thickness of an electrode, formed from the slurry applied to the release paper, based on the power of the terahertz wave received by the light receiver.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: December 19, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ha Seung Seong, Ho Jin Lee, Il Min Lee, Ki Won Moon, Eui Su Lee, Dong Woo Park, Jeong Woo Park, Kyung Hyun Park, Hyun Soo Kim
  • Publication number: 20230366741
    Abstract: Disclosed is a phase shift measuring device, which includes a dual mode laser including a first beat light source generating a first beating signal and a second beat light source generating a second beating signal, and that outputs a dual mode signal including the first beating signal and the second beating signal, a first splitter that receives the dual mode signal to generate a first branch signal and a second branch signal, the first branch signal and the second branch signal being including the branched first beating signal and the branched second beating signal, respectively, a phase control unit that receives the first branch signal and to generate a combined signal, a transmitting end that receives the combined signal from the phase control unit and generates a transmission signal based on the combined signal, and a receiving end.
    Type: Application
    Filed: May 11, 2023
    Publication date: November 16, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Il Min LEE, DA HYE CHOI, Mugeon KIM, Kyung Hyun PARK, Dong Woo PARK, JUN-HWAN SHIN, Eui Su LEE
  • Publication number: 20230369169
    Abstract: There is provided a semiconductor package. The semiconductor package includes: a semiconductor chip; a mold configured to encapsulate the chip; a redistribution layer; and an optical device electrically connected to the chip through the redistribution layer. The mold is formed with an optical path passing through the mold, and light is input to or output from the optical device through the optical path.
    Type: Application
    Filed: September 28, 2021
    Publication date: November 16, 2023
    Applicant: LIPAC CO., LTD.
    Inventors: Seong Wook CHOI, Dong Woo PARK, Young June PARK
  • Publication number: 20230268331
    Abstract: A method for forming a package includes: molding a semiconductor chip and a light-emitting element; forming a redistribution layer (RDL) which electrically connects the semiconductor chip to the light-emitting element; and arranging a light-receiving element on the redistribution layer to be electrically connected thereto. The light-receiving element is arranged such that at least a portion thereof is located directly above the semiconductor chip.
    Type: Application
    Filed: June 15, 2021
    Publication date: August 24, 2023
    Applicant: LIPAC CO., LTD.
    Inventors: Dong Woo PARK, Seong Wook CHOI
  • Patent number: 11605900
    Abstract: An antenna structure includes a dielectric lens, an antenna substrate on the dielectric lens, and antenna electrodes on the antenna substrate. Each of the antenna electrodes may include a wire electrode and an empty plane having a triangular shape defined by the wire electrode. The antenna structure can reduce periodic reflection of a high frequency signal, suppress a periodic gain reduction phenomenon, and provide flat gain characteristics in a wide frequency band.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: March 14, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong-Young Kim, Mugeon Kim, Kyung Hyun Park, Dong Woo Park, Eui Su Lee, Il Min Lee
  • Publication number: 20230065768
    Abstract: Disclosed is a method for fabricating a terahertz device, the method including providing a substrate, doping a conductive impurity on an upper surface of the substrate to form an electrode layer, patterning the electrode layer to form antenna electrodes, and forming a photomixer between the antenna electrodes.
    Type: Application
    Filed: October 21, 2021
    Publication date: March 2, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong Woo PARK, Kyung Hyun PARK, Dong-Young KIM, Mugeon KIM, Jun-Hwan SHIN, Eui Su LEE, IL MIN LEE, Da Hye CHOI
  • Publication number: 20220158355
    Abstract: Provided is an antenna structure. The structure includes a dielectric lens, an antenna substrate on the dielectric lens, and antenna electrodes on the antenna substrate. Here, each of the antenna electrodes may include a wire electrode and an empty plane having a triangular shape defined by the wire electrode.
    Type: Application
    Filed: November 16, 2021
    Publication date: May 19, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong-Young KIM, Mugeon KIM, Kyung Hyun PARK, Dong Woo PARK, Eui Su LEE, IL MIN LEE
  • Publication number: 20220140170
    Abstract: Provided is a terahertz light source device including an antenna, a plurality of wire electrodes configured to connect the antenna to a power source, a capacitor connected to the wire electrodes between the antenna and the power source, and a plurality of resonance tunneling diodes connected to the wire electrodes between the capacitor and the antenna, and configured to generate a terahertz wave by coupling with the capacitor as a parallel resonance circuit with respect to the power source.
    Type: Application
    Filed: October 28, 2021
    Publication date: May 5, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kiwon MOON, Kyung Hyun PARK, Dong Woo PARK, Jun-Hwan SHIN, Eui Su LEE, Hyun Soo KIM, IL MIN LEE
  • Patent number: 11269178
    Abstract: Provided are a polygon mirror assembly and a scan device. A polygon mirror assembly includes: a polygon mirror including a plurality of reflection surfaces spaced apart from a rotation axis by a predetermined distance; a first motor for rotating the polygon mirror around the rotation axis; a second motor for moving the polygon mirror in a first axial direction such that the rotation axis is tilted while the first motor rotates the polygon mirror; and a clock signal extraction surface for extracting a clock signal for detecting a change in a rotational speed of the first motor.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: March 8, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Eui Su Lee, Kyung Hyun Park, Il Min Lee, Kiwon Moon, Dong Woo Park, Hyun Soo Kim, Ho Jin Lee, Jeong Woo Park, Jun Hwan Shin, Kyeong Sun Choi, Dahye Choi
  • Patent number: 11201250
    Abstract: A Schottky barrier diode includes a substrate, a first semiconductor layer formed on the substrate, a second semiconductor layer formed on the first semiconductor layer, and a metal layer formed on the second semiconductor layer to form a Schottky barrier, wherein the first semiconductor layer and the second semiconductor layer are formed of different materials, and a conduction band offset between the first semiconductor layer and the second semiconductor layer is less than a set value.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: December 14, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong Woo Park, Kyung Hyun Park, Jeong Woo Park, Jun Hwan Shin, Eui Su Lee, Hyun Soo Kim, Kiwon Moon, Il Min Lee
  • Publication number: 20210281045
    Abstract: Disclosed is a terahertz wave generating apparatus. The terahertz wave generating apparatus includes a dual mode laser including a first single mode laser that generates a first beating signal, a gain adjustment region that modulates the first beating signal, and a second single mode laser that generates a second beating signal, and a photomixer that mixes the modulated first beating signal and the second beating signal, and that modulates a current supplied based on a beating frequency of the mixed beating signals to generate a terahertz wave signal, and the gain adjustment region is formed between the first single mode laser and the second single mode laser, and the first beating signal is output from the first single mode laser to the gain adjustment region and is modulated based on a reverse bias voltage supplied to the gain adjustment region.
    Type: Application
    Filed: February 24, 2021
    Publication date: September 9, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Soo Kim, Kyung Hyun PARK, Eui Su LEE, IL MIN LEE, Kiwon MOON, Dong Woo PARK, Jun-Hwan SHIN