Patents by Inventor Hyun-Woong KIM

Hyun-Woong KIM 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).

  • Patent number: 10914986
    Abstract: A photoluminescent panel includes a lower substrate, an upper substrate facing the lower substrate, a liquid crystal layer disposed between the lower substrate and the upper substrate, and a color conversion layer disposed on the upper substrate. The color conversion layer includes a light excitation particle which absorbs light having a desired wavelength and emits excited light, and a scattering particle which scatters the excited light.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Min Cho, Dae-Hyun Kim, Jae-Woong Kang, Jae-Byung Park, Kwang-Keun Lee
  • Patent number: 10902786
    Abstract: The display device includes a pixel circuit including a driving transistor, an N-type transistor on a first path coupled from a data line to a gate electrode of the driving transistor, and a P-type transistor on the first path, a first scan driver to supply a first scan signal to the N-type transistor, and a second scan driver to supply a second scan signal to the P-type transistor, wherein a width of a high level section of the first scan signal is wider than that of a low level section of the second scan signal, and the low level section of the second scan signal overlaps with the high level section of the first scan signal.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: January 26, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Won Park, Seung Kyu Lee, Hyun Woong Kim
  • Publication number: 20210010127
    Abstract: A sputtering apparatus including a chamber, a stage inside the chamber and configured to receive a substrate thereon, a first sputter gun configured to provide a sputtering source to an inside of the chamber, a first RF source configured to provide a first power having a first frequency to the first sputter gun, and a second RF source configured to provide a second power having a second frequency to the first sputter gun, the second frequency being lower than the first frequency may be provided.
    Type: Application
    Filed: February 18, 2020
    Publication date: January 14, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki Woong Kim, Hyeon Woo Seo, Hee Ju Shin, Se Chung Oh, Hyun Cho
  • Patent number: 10891900
    Abstract: An emission driver according to example embodiments includes a plurality of stages each having an input block; an output block; a first signal processing block controlling a voltage of a first node; a second signal processing block controlling a voltage of a fourth node in response to the signal supplied to a third input terminal and a voltage of a fifth node; a third signal processing block controlling the voltage of the fourth node; a fourth signal processing block controlling the voltage of the third node; and a stabilization block electrically connected between the input block and the output block to limit a voltage drop between the first node and the third node. The stabilization block may limit a voltage drop between a second node and the fourth node by lowering a voltage of a second power source to the fifth node.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: January 12, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Woong Kim, Seung Kyu Lee, Won Mi Hwang
  • Patent number: 10884186
    Abstract: A multi-channel receiver optical sub assembly module for a fiber Bragg grating sensor according to an embodiment of the present invention includes a housing, a connection socket, an optical bench, a thermoelectric cooler, an arrayed waveguide grating chip, a photodiode array disposed on the optical bench and including a plurality of photodiode chips connected to the optical channels of the arrayed waveguide grating chip, and a printed circuit board which is connected to the other side of the housing while passing through the other side of the housing, of which a portion of a body is disposed on the optical bench, and which is connected to the photodiode array.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: January 5, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Jin Kim, Hyoung Jun Park, Sung Chang Kim, Kye Eun Kim, Ji Hyoung Ryu, Gi Hyeon Min, Si Woong Park, Dong Hoon Son, Chan Il Yeo
  • Publication number: 20200392619
    Abstract: An apparatus for processing a substrate includes a reaction tube, a side cover, a heater, a first gas supplier, a second gas supplier and a controller. The reaction tube is configured to receive a substrate boat in which a plurality of the substrate is received to process the substrate. The side cover is configured to receive the reaction tube. The heater lines the interior of the side cover. The first gas supplier is provided to an upper portion of the side cover to supply a cooling gas at a first supplying rate to a space between the side cover and the reaction tube. The second gas supplier is provided to a lower portion of the side cover to supply the cooling gas at a second supplying rate different from the first supplying rate to the space between the side cover and the reaction tube. The controller controls the reaction tube.
    Type: Application
    Filed: December 2, 2019
    Publication date: December 17, 2020
    Applicants: SK hynix Inc., EUGENE TECHNOLOGY CO., LTD.
    Inventors: Min Jin JUNG, Tae Hwan KIM, Min Woong KANG, Hyun Jun YOO, Sung Ho KANG, Song Hwan PARK, Bo Sun KIM, Hong Won LEE, Joo Hyun CHO, Yong Tak JIN
  • Publication number: 20200384165
    Abstract: Provided is an implant having a controlled generation rate of reactive oxygen species and a method of controlling generation of reactive oxygen species using the same. The implant having a controlled generation rate of reactive oxygen species according to the present invention includes a body formed of a metallic material and having a groove, a first filling metal filling one region of the groove, and a second filling metal filling the groove on the first filling metal, wherein the second filling metal has an ionization tendency different from that of the first filling metal.
    Type: Application
    Filed: June 3, 2020
    Publication date: December 10, 2020
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Myoung-Ryul OK, Jimin PARK, Yu Chan KIM, Hyun Kwang SEOK, Hyung-Seop HAN, Hojeong JEON, Hyunseon SEO, Jee-Wook LEE, Jin Kyung JEON, Gayoung JUNG, Jong Woong PARK, Ji Hun PARK
  • Patent number: 10863633
    Abstract: An exemplary embodiment provides a display device including: a display panel configured to include a first area, and a second area and a third area respectively disposed at opposite sides of the first area in a first direction; a first roller unit configured to wind the second area thereon; and a second roller unit configured to wind the third area of the display panel in an opposite direction to that of the first roller unit, wherein a distance between the first roller unit and the second roller unit which are separated from each other in the first direction can be adjusted.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: December 8, 2020
    Inventors: Jin Hwan Choi, Min-Sung Kim, Hyun Woo Koo, Jeong Ho Kim, Tae Woong Kim, Tae An Seo, Jung Hun Lee
  • Patent number: 10838765
    Abstract: An electronic device includes a display, a microphone, a communication circuit, a memory configured to store at least one application, and one or more processor(s), wherein the processor is configured to obtain voice data corresponding to the user's voice received through the microphone, transmit the voice data to an external electronic device through the communication circuit, receive a sequence of tasks for performing a first function of the at least one application, which is determined based on the voice data, from the external electronic device through the communication circuit; and while performing the tasks based on the sequence of tasks, when it is determined that execution of a first task in the sequence of tasks is not completed within a specified time, extending a time-out time of the first task and switching the execution of the first task to the execution in background.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: November 17, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin Woong Kim, A Ra Go, Hyun Woo Kang, Seong Ick Jon, Ho Jun Jaygarl, Ga Jin Song
  • Publication number: 20200354490
    Abstract: The present invention relates to a vinyl chloride polymer and a production method thereof. More specifically, the present invention provides a vinyl chloride polymer having a polydispersity index of 2.0 to 2.3 and a porosity of 60% or greater and a production method thereof in which a vinyl chloride polymerization seed having a conversion rate of 5-20% is first prepared through preliminary polymerization and then a vinyl chloride monomer is introduced into the vinyl chloride polymerization seed to polymerize (main polymerization) a vinyl chloride polymer.
    Type: Application
    Filed: April 29, 2019
    Publication date: November 12, 2020
    Inventors: Seong Yong AHN, Kun Ji KIM, Se Woong LEE, Jin Hyuck JU, Hyun Kyou HA
  • Patent number: 10833763
    Abstract: A wireless optical communication apparatus for performing bi-directional optical transmission in a free space includes a first optical system configured to transmit data through a downlink scheme and a second optical system configured to receive the data from the first optical system and transmit a control signal to the first optical system through an uplink scheme, wherein each of the first optical system and the second optical system transmits and receives the data and the control signal through a single port.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: November 10, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Seo Kang, Chan Il Yeo, Young Soon Heo, Kye Eun Kim, Sung Chang Kim, Ji Hyoung Ryu, Si Woong Park, Keo Sik Kim, Gi Hyeon Min, Hyoung Jun Park, Dong Hoon Son, Mun Seob Lee
  • Publication number: 20200342809
    Abstract: A display device includes: an organic light emitting diode (OLED); a pixel circuit configured to control an amount of a current flowing from a first power voltage to the OLED; and a gate line and a data line that are connected to the pixel circuit, the pixel circuit including: an auxiliary transistor including a gate electrode electrically connected to the data line and a first electrode and a second electrodes connected to the gate line, the first electrode and the second electrode of the auxiliary transistor being electrically connected to each other.
    Type: Application
    Filed: July 14, 2020
    Publication date: October 29, 2020
    Inventors: Jong Won PARK, Seung-Kyu LEE, Hyun Woong KIM
  • Patent number: 10819368
    Abstract: A method for compressing time series data includes: reading original data including time series data; measuring a unit of the original data; determining a threshold for determining a range allowing for a difference between compressed data and the original data; performing longest distance downsampling to preserve an abnormal point of the original data; storing a start point and an end point of the original data; performing drop-out on the longest distance downsampling result, wherein the drop-out is not performed for the start point and the end point; and if the number of values of the original data is smaller than ? times the original data length, storing at least one of the values of the original data as a reference point, wherein ? is a real number having a value between 0 and 1.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 27, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Myung Geun Song, Myung Joo Kang, Byeong Eon Lee, Myoung Su Cho, Young Jin Koh, Geon Woo Kim, Sang Yeon Kim, Hyun Seo, Dong Jun Woo, Jae Woong Choi
  • Patent number: 10814535
    Abstract: A hybrid lower arm and a hybrid upper arm include an arm body made of a metal material, and an insert injection-molded integrally with the arm body so that the insert is inserted into an inside of the arm body. The arm body has a weight ratio of 50% or more and 90% or less with respect to the total weight of the hybrid lower arm or the hybrid upper arm, thus achieving the rigidity increase as well as the weight reduction in the lower arm and the upper arm of a suspension system.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: October 27, 2020
    Assignee: ILJIN CO., LTD.
    Inventors: Sung Keun Lee, Hyun Woo Kim, Tae Sung Kwon, Byong Suk Yu, Se Woong Jeong, Hyuk Kwon, Ig Jin Kwon, Young In Yoon, Min Kook Park, Soon Chan Kwon, Dae Ju Lee
  • Publication number: 20200310029
    Abstract: A multi-channel receiver optical sub assembly module for a fiber Bragg grating sensor according to an embodiment of the present invention includes a housing, a connection socket, an optical bench, a thermoelectric cooler, an arrayed waveguide grating chip, a photodiode array disposed on the optical bench and including a plurality of photodiode chips connected to the optical channels of the arrayed waveguide grating chip, and a printed circuit board which is connected to the other side of the housing while passing through the other side of the housing, of which a portion of a body is disposed on the optical bench, and which is connected to the photodiode array.
    Type: Application
    Filed: January 13, 2020
    Publication date: October 1, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyun Jin KIM, Hyoung Jun PARK, Sung Chang KIM, Kye Eun KIM, Ji Hyoung RYU, Gi Hyeon MIN, Si Woong PARK, Dong Hoon SON, Chan Il YEO
  • Publication number: 20200294304
    Abstract: A method of processing an image by a device obtaining one or more images including captured images of objects in a target space, generating metadata including information about mapping between the one or more images and a three-dimensional (3D) mesh model used to generate a virtual reality (VR) image of the target space, and transmitting the one or more images and the metadata to a terminal.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-yun JEONG, Do-wan KIM, Yong-gyoo KIM, Gun-hee LEE, Jae-kyeong LEE, Jin-bong LEE, Dai-woong CHOI, Hyun-soo CHOI
  • Patent number: 10766976
    Abstract: The present invention relates to a method of preparing a vinyl chloride-based polymer, which includes inducing the nucleation of particles by adding a mercaptan-based chain transfer agent to a monomer composition including a vinyl chloride-based monomer and a preliminary polymerization initiator (preliminary polymerization); and preparing a polymer by mixing a vinyl chloride-based monomer and the particle nuclei and adding a main polymerization initiator (main polymerization). In the preparation method, a vinyl chloride-based polymer having a uniform molecular weight distribution and a desired number average molecular weight may be provided by controlling a degree of polymerization of a vinyl chloride-based polymer prepared in such a way that dispersibility is ensured by adjusting the point of time to add the mercaptan-based chain transfer agent to the point of time to reach a specific conversion rate of the preliminary polymerization.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: September 8, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Se Woong Lee, Seong Yong Ahn, Kun Ji Kim, Hyun Kyou Ha
  • Patent number: 10770025
    Abstract: An embodiment provides a display panel drive device that receives image data in a plurality of image reception periods within one frame period and retrains a data link according to link data received in an interval between the image reception periods.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: September 8, 2020
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Myung Yu Kim, Kwan Hee Lee, Young Woong Kim, Hyun Kyu Jeon
  • Publication number: 20200277207
    Abstract: The present invention relates to a hybrid system for water treatment, desalination, and chemical production. The hybrid system of the present invention includes a photoanode, an anode chamber, an anion exchange membrane, a middle chamber, a cation exchange membrane, a cathode chamber, and a cathode. In the middle chamber, saltwater or seawater is desalinated by photoelectrochemical electrodialysis. Chloride ions are generated during the desalination, transferred to the anode chamber, and activated by the photoanode. In the anode chamber, wastewater is treated by the activated chloride ions. In the cathode chamber, at least one chemical species selected from the group consisting of water, oxygen, and carbon dioxide is reduced by electrons supplied from the photoanode.
    Type: Application
    Filed: May 11, 2018
    Publication date: September 3, 2020
    Applicant: Kyungpook National University Industry-Academic Cooperation Foundation
    Inventors: Hyun Woong PARK, Seong Hun KIM
  • Patent number: 10748482
    Abstract: A display device includes: an organic light emitting diode (OLED); a pixel circuit configured to control an amount of a current flowing from a first power voltage to the OLED; and a gate line and a data line that are connected to the pixel circuit, the pixel circuit including: an auxiliary transistor including a gate electrode electrically connected to the data line and a first electrode and a second electrodes connected to the gate line, the first electrode and the second electrode of the auxiliary transistor being electrically connected to each other.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd
    Inventors: Jong Won Park, Seung-Kyu Lee, Hyun Woong Kim