Patents by Inventor Byoung-Sun Lee

Byoung-Sun 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).

  • Patent number: 11915652
    Abstract: A display includes a plurality of pixels in a non-quadrangular display area and a plurality of first driving circuits and a plurality of second driving circuits in a peripheral area of the display area. Each of the pixels is connected to a first signal line in a first direction and a second signal line in a second direction crossing the first direction. Each of the first driving circuits outputs a first signal to the first signal line of a corresponding one of the pixels. Each of the second driving circuits outputs a second signal to the second signal line of a corresponding one of the pixels. The number of second driving circuits between neighboring first driving circuits is different depending on a position in the peripheral area.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Kyu Lee, Kwang-Min Kim, Byoung Sun Kim
  • Publication number: 20230361341
    Abstract: The present disclosure relates to a method for manufacturing a solid-liquid hybrid electrolyte membrane, including the steps of: (S1) preparing a dispersion containing a plurality of polymer particles dispersed in a liquid electrolyte and a volatile organic solvent; (S2) applying the dispersion onto a substrate, followed by drying, to form a porous structure; and (S3) pressurizing the porous structure to obtain a solid-liquid hybrid electrolyte membrane.
    Type: Application
    Filed: January 20, 2021
    Publication date: November 9, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil LEE, Byoung-Sun LEE
  • Publication number: 20230353094
    Abstract: An I/Q signal generating apparatus and phase shift apparatus using the same are provided, the I/Q signal generating apparatus including: a first resonance circuit whose one end is connected to a first input terminal and whose other end is connected to a first output terminal; and a second resonance circuit whose one end is connected to the other end of the first resonance circuit or a second input terminal, and whose other end is connected to a second output terminal, wherein the first resonance circuit and the second resonance circuit each include a resistor, a capacitor connected in parallel with the resistor, and an inductor connected in a form of a cross between the resistor and the capacitor.
    Type: Application
    Filed: January 19, 2023
    Publication date: November 2, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jinseok PARK, Seong Mo MOON, Byoung Sun LEE, Jun Han LIM, Dong Pil CHANG
  • Publication number: 20230216511
    Abstract: A master reference oscillator system is provided. The master reference oscillator system includes a plurality of reference oscillators and a hybrid matrix receiving signals from the plurality of reference oscillators and outputting a plurality of output signals having the same signal magnitude, wherein at least two output signals among the plurality of output signals may have a phase difference.
    Type: Application
    Filed: October 31, 2022
    Publication date: July 6, 2023
    Inventors: Dong Hwan SHIN, Dong Pil CHANG, Seong Mo MOON, Byoung-Sun LEE
  • Patent number: 11125886
    Abstract: The present invention provides a method of performing a position measurement on the basis of a signal from a global navigation satellite system (GNSS). The method includes: receiving initial position information; estimating an initial value of a multipath error through a measurement of the GNSS signal on the basis of the received initial position information; estimating a multipath error from the initial value of the multipath error on the basis of a change in the measurement; removing the estimated multipath error from the measurement of the GNSS signal; and performing the position measurement on the basis of the GNSS measurement from which the multipath error is removed.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: September 21, 2021
    Assignees: Electronics and Telecommunications Research Institute, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Yoo La Hwang, Jae Young Ahn, Byoung Sun Lee, Ji Hun Cha, Byung Woon Park, Yong Jun Lee, Cheol Soon Lim
  • Publication number: 20200271792
    Abstract: The present invention provides a method of performing a position measurement on the basis of a signal from a global navigation satellite system (GNSS). The method includes: receiving initial position information; estimating an initial value of a multipath error through a measurement of the GNSS signal on the basis of the received initial position information; estimating a multipath error from the initial value of the multipath error on the basis of a change in the measurement; removing the estimated multipath error from the measurement of the GNSS signal; and performing the position measurement on the basis of the GNSS measurement from which the multipath error is removed.
    Type: Application
    Filed: December 9, 2019
    Publication date: August 27, 2020
    Applicants: Electronics and Telecommunications Research Institute, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Yoo La HWANG, Jae Young AHN, Byoung Sun LEE, Ji Hun CHA, Byung Woon PARK, Yong Jun LEE, Cheol Soon LIM
  • Publication number: 20200176822
    Abstract: Compositions, manufacturing processes, articles of manufacture, and structures/batteries for self-forming batteries and self-healing solid electrolytes are disclosed. Example embodiments include a self-forming battery. The battery may include a first electrode material and a second electrode material. Assembly of the two electrode materials may result in a chemical reaction that forms an electrolyte layer between the two electrode materials.
    Type: Application
    Filed: June 11, 2018
    Publication date: June 4, 2020
    Applicant: The Regents of the University of California
    Inventors: Ping Liu, Byoung-Sun Lee, Xing Xing
  • Publication number: 20200143700
    Abstract: Disclosed is a UAV quality certification system. The UAV quality certification system according to an embodiment of the present disclosure may include: a virtual UAV configuring unit determining information on hardware devices included in a UAV, and configuring a virtual UAV; a UAV simulator performing simulation for the virtual UAV; a UAV flight learning unit controlling learning for a UAV flight learning model that receives the information on hardware devices included in the UAV as an input, and outputs a result of the simulation; and a quality evaluation unit performing quality evaluation on at least one target included in the UAV by using the UAV flight learning model.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 7, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yoo La HWANG, Byoung Sun LEE, Soo Jeon LEE
  • Patent number: 10084834
    Abstract: A method of randomizing a size of a packet is provided. A randomization method may include recognizing a maximum segment size (MSS) defined for transmission and reception of a packet with a reception terminal, and randomizing a size of the packet to be less than the MSS.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: September 25, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Soo Jeon Lee, Won Chan Jung, Byoung Sun Lee, Do Seob Ahn
  • Publication number: 20180155066
    Abstract: Provided is a satellite orbit controlling method and apparatus. A satellite orbit adjusting method performed at a current satellite may include measuring a distance between the current satellite and another satellite using a radio frequency; calculating a relative location relationship between the current satellite and the other satellite based on the measured distance, and estimating an orbit element based on the location relationship; calculating speed increment information for controlling a maneuver based on the estimated orbit element; and adjusting a satellite orbit of the current satellite based on the speed increment information.
    Type: Application
    Filed: April 24, 2017
    Publication date: June 7, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yoola HWANG, Byoung-Sun LEE
  • Patent number: 9664794
    Abstract: Provided is an apparatus for monitoring a malfunctioning state of a global positioning system (GPS) satellite, the apparatus comprising: an orbit computing unit to compute an orbit of a geostationary satellite; a data receiver to receive GPS data from the GPS satellite; a data correction unit to correct an error in a clock error value of the GPS data; a first computing unit to compute a data pseudorange between the GPS satellite and a base station based on the corrected GPS data; a second computing unit to compute a geographical distance between the GPS satellite and the base station; and a determining unit to determine a malfunctioning state of the GPS satellite by comparing the data pseudorange and the geographical distance.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: May 30, 2017
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yoo La Hwang, Byoung Sun Lee
  • Patent number: 9481476
    Abstract: Disclosed are a space object disposal device and a space object disposal method using a rotation motion. The device for disposing a space object includes: a disposal orbit calculation unit configured to calculate a disposal orbit of a space object; an escape velocity calculation unit configured to calculate an escape velocity at which the space object moves along the disposal orbit; and a rotation driving unit configured to be connected the space object, rotate the space object on a predetermined rotation orbit so as to reach the escape velocity, and separate the space object at a point of contact of the predetermined rotation orbit and the disposal orbit when the space object rotates at the escape velocity.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: November 1, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yoo La Hwang, Byoung Sun Lee
  • Patent number: 9399527
    Abstract: An apparatus and method for controlling a geostationary orbit satellite is provided. The method including generating remote measurement data by measuring a state of a geostationary orbit satellite, transmitting the remote measurement data, receiving a remote command signal, and controlling an orbit and a pose of the geostationary orbit satellite relative to inclined geosynchronous space debris.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: July 26, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: Byoung Sun Lee, Yoo La Hwang
  • Publication number: 20150350066
    Abstract: An apparatus and a method for transmitting a telecommand to a satellite are disclosed, wherein the satellite telecommand transmitting apparatus may include a transmitter to obtain a telecommand from a transmission command list and transmit the obtained telecommand to a satellite, a verifier to verify whether transmission of the telecommand is successful, and a processor to generate a retransmission telecommand with respect to the telecommand by referring to retransmission information on each telecommand stored in a database and prepare a retransmission command list including the generated retransmission telecommand, when a result of the verifying indicates a failure to transmit the telecommand.
    Type: Application
    Filed: September 12, 2014
    Publication date: December 3, 2015
    Inventors: In Jun KIM, Byoung Sun LEE
  • Publication number: 20150251777
    Abstract: Disclosed are a space object disposal device and a space object disposal method using a rotation motion. The device for disposing a space object includes: a disposal orbit calculation unit configured to calculate a disposal orbit of a space object; an escape velocity calculation unit configured to calculate an escape velocity at which the space object moves along the disposal orbit; and a rotation driving unit configured to be connected the space object, rotate the space object on a predetermined rotation orbit so as to reach the escape velocity, and separate the space object at a point of contact of the predetermined rotation orbit and the disposal orbit when the space object rotates at the escape velocity.
    Type: Application
    Filed: February 9, 2015
    Publication date: September 10, 2015
    Inventors: Yoo La HWANG, Byoung Sun LEE
  • Publication number: 20150160149
    Abstract: A sensing material for a gas sensor, a gas sensor including the sensing material, a method of preparing the sensing material, and a method of manufacturing a gas sensor using the sensing material are provided.
    Type: Application
    Filed: December 8, 2014
    Publication date: June 11, 2015
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ji-hyun BAE, Jong-jin PARK, Il-doo KIM, Byoung-sun LEE, Seo-jin LEE
  • Patent number: 8972184
    Abstract: An apparatus and method for determining an orbit of a geostationary satellite is provided. The orbit of the geostationary satellite may be determined using at least one pseudo-range of the geostationary satellite calculated based on an orbit and a position of at least one global positioning system (GPS) satellite, position information of the geostationary satellite, and an angle between the geostationary satellite and each GPS satellite.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: March 3, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yoo La Hwang, Byoung Sun Lee
  • Patent number: 8954270
    Abstract: Provided is a system for detecting an accident location, including: a navigation apparatus to extract identification information of a preinstalled apparatus, first distance information between the apparatus and at least one base station, and second distance information between the apparatus and a geostationary satellite, when an impact is applied to the apparatus; and an apparatus control center to compute location information of the navigation apparatus based on the identification information, the first distance information, and the second distance information, wherein the at least one base station receives the first distance information from the navigation apparatus and transmits the first distance information to the apparatus control center, and the geostationary satellite receives the second distance information from the navigation apparatus and transmits the second distance information to the apparatus control center.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: February 10, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yoo La Hwang, Byoung Sun Lee, Jae Hoon Kim, Do Seob Ahn
  • Publication number: 20140348180
    Abstract: A method of randomizing a size of a packet is provided. A randomization method may include recognizing a maximum segment size (MSS) defined for transmission and reception of a packet with a reception terminal, and randomizing a size of the packet to be less than the MSS.
    Type: Application
    Filed: May 27, 2014
    Publication date: November 27, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Soo Jeon LEE, Won Chan JUNG, Byoung Sun LEE, Do Seob AHN
  • Publication number: 20140055299
    Abstract: An apparatus and method for determining an orbit of a geostationary satellite is provided. The orbit of the geostationary satellite may be determined using at least one pseudo-range of the geostationary satellite calculated based on an orbit and a position of at least one global positioning system (GPS) satellite, position information of the geostationary satellite, and an angle between the geostationary satellite and each GPS satellite.
    Type: Application
    Filed: March 14, 2013
    Publication date: February 27, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yoo La HWANG, Byoung Sun LEE