Patents by Inventor Eui Su LEE

Eui Su 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: 20200335639
    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: Application
    Filed: April 14, 2020
    Publication date: October 22, 2020
    Applicant: 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: 20200150420
    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: Application
    Filed: October 30, 2019
    Publication date: May 14, 2020
    Applicant: 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
  • Publication number: 20200023085
    Abstract: The present disclosure relates to a method for labeling a radioisotope, a radiolabeling compound, a kit including the same, and a method for labeling a radioisotope, including: providing a diaminophenyl compound represented by Chemical Formula I below and including a biomolecule, a fluorescent dye or a nanoparticle compound bound thereto; and reacting the diaminophenyl compound and a radioisotope-labeled aldehyde compound represented by Chemical Formula II below at room temperature; and a related technology: in Chemical Formula I, A is CH2 or O; a is 0 or an integer of 1 to 10; X is CH2 or —CONH—; Y is CH2 or and Z is the biomolecule, the fluorescent dye or the nanoparticle compound, in Chemical Formula II, b is 0 or an integer of 1 to 10; and L is CH2 or —CONH—; and Q is or M, M? and M? in Q are radioisotopes.
    Type: Application
    Filed: July 16, 2019
    Publication date: January 23, 2020
    Inventors: Sang Hyun Park, Sajid Mushtaq, Dae Seong Choi, Beom Su Jang, Eui-Baek Byun, Jongho Jeon, Dong-Eun Lee
  • Patent number: 10522761
    Abstract: Provided are a compound for an organic optoelectronic device represented by Chemical Formula 1, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The structure of Chemical Formula 1 is shown in the specification. The compound for an organic optoelectronic device provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and having high luminous efficiency at a low driving voltage.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong-Wan Ryu, Eui-Su Kang, Han-Ill Lee, Sung-Hyun Jung, Young-Kyoung Jo, Mi-Young Chae, Dal-Ho Huh, Jin-Seok Hong
  • Patent number: 10435309
    Abstract: A process for removing iodine using gold particles includes contacting a solution including iodine, with gold particles. The iodine is adsorbed onto the gold particles and then removed. A device for removing iodine using gold particles includes gold particles in a stationary phase and is configured to contact a solution including iodine, with gold particles, to thus adsorb the iodine onto the gold particles and remove the iodine.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 8, 2019
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Jong Ho Jeon, Mi Hee Choi, Ha Eun Sim, Seong Jae Yun, Sang Hyun Park, Beom Su Jang, Dae Seong Choi, Dong Eun Lee, Eui Baek Byun
  • Publication number: 20190120756
    Abstract: Disclosed is a terahertz, reflection imaging system using a rotating polyhedral mirror and a telecentric f-theta lens. The terahertz reflection imaging system may include a light source configured to output a terahertz, beam, a rotating polyhedral mirror of which a mirror is combined with each of polyhedral faces, and configured to reflect the terahertz beam transmitted from the light source in a direction in which a specimen is disposed, a telecentric f-theta lens configured to transmit the terahertz beam reflected from the rotating polyhedral mirror to the specimen and correct a chief ray of the terahertz beam reflected from the rotating polyhedral mirror to be parallel to an optical axis of the telecentric f-theta lens, and a detector configured to detect a terahertz beam reflected from the specimen.
    Type: Application
    Filed: September 27, 2018
    Publication date: April 25, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kiwon MOON, Kyung Hyun PARK, Eui Su LEE, Il Min LEE
  • Patent number: 10147832
    Abstract: The present disclosure relates to a terahertz wave generation apparatus capable of wavefront control. A terahertz wave generating apparatus according to an exemplary embodiment comprises a photoconductive substrate; and a plurality of terahertz wave generating unit elements arranged in a two-dimensional array on the photoconductive substrate. Also, the terahertz wave generating unit elements comprise a plurality of first electrodes arranged in the two-dimensional array on the photoconductive substrate and respectively connected to a plurality of first electrode pads, and at least one second electrode formed on the photoconductive substrate so as to face the first electrodes.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: December 4, 2018
    Assignee: ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ki Won Moon, Kyung Hyun Park, Il Min Lee, Sang-Pil Han, Eui Su Lee
  • Patent number: 10082627
    Abstract: An apparatus providing a terahertz (THz) wave may comprise at least one THz wave generator each of which generates a THz wave; at least one first phase adjuster adjusting a phase of the generated THz wave; at least one waveguide part receiving and combining the at least one phase-adjusted THz wave radiated from the at least one first phase adjuster, and guiding the combined THz wave; at least one second phase adjuster adjusting a phase of the combined THz wave from the at least one waveguide part, which is connected to the at least one waveguide part or disposed in a portion of the at least one waveguide part; and an output module outputting the THz wave guided from the at least one waveguide part.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: September 25, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kyung Hyun Park, Il Min Lee, Eui Su Lee, Ho Jin Lee, Sang Pil Han, Hyun Soo Kim, Ki Won Moon, Dong Woo Park
  • Publication number: 20180136397
    Abstract: An apparatus providing a terahertz (THz) wave may comprise at least one THz wave generator each of which generates a THz wave; at least one first phase adjuster adjusting a phase of the generated THz wave; at least one waveguide part receiving and combining the at least one phase-adjusted THz wave radiated from the at least one first phase adjuster, and guiding the combined THz wave; at least one second phase adjuster adjusting a phase of the combined THz wave from the at least one waveguide part, which is connected to the at least one waveguide part or disposed in a portion of the at least one waveguide part; and an output module outputting the THz wave guided from the at least one waveguide part.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 17, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kyung Hyun PARK, Il Min LEE, Eui Su LEE, Ho Jin LEE, Sang Pil HAN, Hyun Soo KIM, Ki Won MOON, Dong Woo PARK
  • Publication number: 20170256665
    Abstract: The present disclosure relates to a terahertz wave generation apparatus capable of wavefront control. A terahertz wave generating apparatus according to an exemplary embodiment comprises a photoconductive substrate; and a plurality of terahertz wave generating unit elements arranged in a two-dimensional array on the photoconductive substrate. Also, the terahertz wave generating unit elements comprise a plurality of first electrodes arranged in the two-dimensional array on the photoconductive substrate and respectively connected to a plurality of first electrode pads, and at least one second electrode formed on the photoconductive substrate so as to face the first electrodes.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 7, 2017
    Applicant: Electronics & Telecommunication Research Institute
    Inventors: Ki Won Moon, Kyung Hyun Park, Il Min Lee, Sang-Pil Han, Eui Su Lee
  • Patent number: 9715069
    Abstract: Disclosed is a photo diode. The photo diode includes: at least two branched waveguides configured to receive beating signals; absorbing layers disposed in vertical directions to the waveguides, and disposed while being spaced apart from distal ends of the waveguides by a predetermined interval; and one or more intermediate layers formed based on the distal ends of the waveguides and disposed with the absorbing layers at upper end of the one or more intermediate layers.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: July 25, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Eui Su Lee, Won Hui Lee, Kyung Hyun Park
  • Publication number: 20160320573
    Abstract: Disclosed is a photo diode. The photo diode includes: at least two branched waveguides configured to receive beating signals; absorbing layers disposed in vertical directions to the waveguides, and disposed while being spaced apart from distal ends of the waveguides by a predetermined interval; and one or more intermediate layers formed based on the distal ends of the waveguides and disposed with the absorbing layers at upper end of the one or more intermediate layers.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 3, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Eui Su LEE, Won Hui LEE, Kyung Hyun PARK
  • Publication number: 20150179842
    Abstract: Disclosed is a rectifier capable of performing a high speed rectifying operation, and includes: a first semiconductor layer; a second semiconductor layer; and a third semiconductor layer, in which the first semiconductor layer and the third semiconductor layer are formed of semiconductor layers having the same type, and the second semiconductor layer is formed between the first semiconductor layer and the third semiconductor layer, is formed of a semiconductor layer having a different type from that of the first semiconductor layer and the third semiconductor layer, and is formed in graded doped state.
    Type: Application
    Filed: June 18, 2014
    Publication date: June 25, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jeong Woo PARK, Sang Pil HAN, Dae Yong KIM, Hyun Sung KO, Nam Je KIM, Ki Won MOON, Il Min LEE, Eui Su LEE, Kyung Hyun PARK
  • Patent number: 8913315
    Abstract: A terahertz band filter for filtering, in a frequency band, a terahertz wave propagating between a pair of metal plates with an upper parallel surface facing a lower parallel surface includes a sheet parallel to the upper and lower parallel surfaces, which is disposed between the metal plates and is spaced apart therefrom, and at least one slit located in the sheet to face the upper and lower parallel surfaces, wherein the sheet comprises a single slit to function as a notch filter for blocking in a specific frequency band.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: December 16, 2014
    Assignee: Korea Maritime University Industry-Academic Cooperation Foundation
    Inventors: Tae In Jeon, Eui Su Lee
  • Publication number: 20130107356
    Abstract: A terahertz band filter for filtering, in a frequency band, a terahertz wave propagating between a pair of metal plates with an upper parallel surface facing a lower parallel surface includes a sheet parallel to the upper and lower parallel surfaces, which is disposed between the metal plates and is spaced apart therefrom, and at least one slit located in the sheet to face the upper and lower parallel surfaces, wherein the sheet comprises a single slit to function as a notch filter for blocking in a specific frequency band.
    Type: Application
    Filed: December 22, 2011
    Publication date: May 2, 2013
    Applicant: KOREA MARITIME UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Tae In JEON, Eui Su LEE