Patents by Inventor Seong Jang

Seong Jang 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: 10532596
    Abstract: A plasmonic structure having an identifier pattern indicating a genuine product for preventing counterfeiting, falsification or reuse, includes a metal layer; a photoconversion pattern layer including a plurality of photoconverting nanoparticles disposed in a pattern on and in direct contact with the metal layer; a metal pattern layer including a plurality of metal particles disposed in a pattern on and in direct contact with the photoconversion pattern layer; and an adhesive film disposed on the metal pattern layer. An identifier pattern indicating a genuine product is easily identified even by visual inspection after irradiation with infrared light irradiation. The plasmonic structure is fundamentally impossible to re-assemble after deformation of the plasmonic structure caused by disassembly of a product or packaging container, thereby preventing counterfeiting, falsification or reuse.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: January 14, 2020
    Assignee: Korea Institute of Science and Technology
    Inventors: Hyungduk Ko, Kisun Park, Ho Seong Jang, Il Ki Han
  • Publication number: 20190371464
    Abstract: There is disclosed a method and system for clinical effectiveness evaluation of artificial intelligence based medical devices. The clinical effectiveness evaluation system includes a diagnosis result receiving unit receiving diagnosis results for arbitrary clinical data from a plurality of specialists and the artificial intelligence based medical device; a correspondence degree calculation unit calculating a degree of correspondence between the received diagnosis results; a statistical value derivation unit deriving a predetermined statistical value on the basis of the calculated degree of correspondence; and a comparison test unit performing a comparison test on the artificial intelligence based medical device using the derived statistical value.
    Type: Application
    Filed: May 24, 2019
    Publication date: December 5, 2019
    Inventors: Won Tae KIM, Shin Uk KANG, Myung Jae LEE, Dong Min KIM, Jin Seong JANG, Hangbin LEE
  • Publication number: 20190366302
    Abstract: A catalyst, a method for preparing thereof, and methods for synthesizing of hydrogen peroxide are disclosed. The catalyst contains an alloy of two elements. Herein, the elements are Au(Aurum) and Pt(Platinum). The method for preparing the catalyst containing the Au—Pt alloy, includes steps of: (a) obtaining a first solution by dissolving dispersing agent and reducing agent into a first solvent; and (b) synthesizing the Au—Pt alloy by adding Au precursor and Pt precursor into the first solution. Herein, the step (b) includes steps of: (b-1) obtaining a second solution by dissolving the Au precursor and the Pt precursor into a second solvent; and (b-2) synthesizing the Au—Pt alloy by adding the second solution into the first solution.
    Type: Application
    Filed: December 12, 2018
    Publication date: December 5, 2019
    Inventors: Seung Yong Lee, Sang Soo Han, Hyo Bin Nam, Hong Woo Lee, So Hye Cho, Ho Seong Jang
  • Publication number: 20190361293
    Abstract: A display device according to an embodiment of the present invention comprises: a first substrate to which external light is applied; a first and a second control electrode disposed on the first substrate, the second control electrode being spaced apart from the first control electrode; an insulating film disposed on the first and the second control electrode; a first and a second contact electrode formed on the insulation film, wherein the first contact electrode at least partially overlaps the first control electrode, and the second contact electrode is spaced apart from the first contact electrode and at least partially overlaps the second control electrode; a shuttering operation body moving between the first and the second contact electrode so as to transmit or block light; a second substrate opposite to the first substrate; and a quantum dot film disposed on the first or the second substrate and adjusting the wavelength of light passing through the shuttering operation body.
    Type: Application
    Filed: August 8, 2019
    Publication date: November 28, 2019
    Applicant: Korea University Research and Business Foundation, Sejong Campus
    Inventors: Mun Pyo HONG, Sang II KIM, Ho Won YOON, Yun Seong JANG
  • Publication number: 20190289538
    Abstract: Provided is a technology that increases a downlink packet reception success rate and improves the quality of IoT service by implementing an improved downlink base station selection scheme that takes into consideration a difference in designed downlink signal transmission strength between base stations when selecting a downlink base station for a terminal.
    Type: Application
    Filed: May 31, 2019
    Publication date: September 19, 2019
    Inventor: Jae Seong JANG
  • Publication number: 20190218322
    Abstract: Provided are a dope solution for preparing a polarizing plate protective film by a solution casting method using an acrylic polymer with high thermal resistance and high molecular weight, and a polarizing plate protective film using the same. The polarizing plate protective film using the dope solution according to the present invention has excellent optical properties, high tensile strength, low hygroscopic properties, and high thermal resistance, and thus, has the effects of excellent dimensional stability, and excellent adhesion with a polyvinyl alcohol film.
    Type: Application
    Filed: March 26, 2019
    Publication date: July 18, 2019
    Inventors: SUNG IL PARK, SEONG JANG JEON, SANG SEOK PARK, EUN JIN JEON, SANG EOB NA
  • Publication number: 20190176133
    Abstract: A catalyst and a catalyst composition, a method for preparing thereof, and a method for synthesizing of hydrogen peroxide using them are provided. The catalyst and the catalyst composition contains: an alloy of two elements, wherein the elements are Pt (Platinum) and Ni (Nickel). The present disclosure enables (a) replacing a high-priced palladium (Pd) catalyst with a new catalyst, (b) providing a high-active catalyst which catalyzes the direct synthesis reaction of the hydrogen peroxide.
    Type: Application
    Filed: December 10, 2018
    Publication date: June 13, 2019
    Inventors: Seung Yong Lee, Sang Soo Han, Hyo Bin Nam, Byung Chul Yeo, So Hye Cho, Ho Seong Jang
  • Patent number: 10318469
    Abstract: A semiconductor memory device comprises a memory cell array and a data inversion circuit. The data inversion circuit is configured to receive a first unit data and a second unit data stored in the memory cell array through different first data lines, determine, while the first unit data is transmitted to a data input/output (I/O) buffer through a second data line, whether to the invert the second unit data based on a Hamming distance between the first unit data and the second unit data, and transmit the inverted or non-inverted second unit data to the data I/O buffer through the second data line.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: June 11, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Soo Jang, Gong-Heum Han, Chul-Sung Park, Jang-Woo Ryu, Chang-Yong Lee, Tae-Seong Jang
  • Patent number: 10292586
    Abstract: The present invention relates to a non-invasive health indicator monitoring system including a sensing module, an electric power storage module, and a circuit module to collect health indicator information by contacting with a subject. In addition, the present invention also relates to a method for monitoring health indicator continuously by using the health indicator monitoring system.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: May 21, 2019
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yong Won Song, Su Youn Lee, Ji Yeon Lee, Jung Ah Lim, Ji Won Choi, Byung Ki Cheong, Jin Seok Kim, Ho Seong Jang, Hyun Jung Yi
  • Publication number: 20190132774
    Abstract: Disclosed is technology for improving the quality of an IoT service by avoiding using a frequency band in which signal disturbance occurs and using a BS in an overload state.
    Type: Application
    Filed: June 30, 2017
    Publication date: May 2, 2019
    Inventors: Jae Seong JANG, Sang Min LEE
  • Patent number: 10265682
    Abstract: Provided is a catalyst for synthesizing hydrogen peroxide as represented by the following Chemical Formula 1: RhxAg(1-x),??[Chemical Formula 1] where 0<x<1.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: April 23, 2019
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung Yong Lee, Sang Soo Han, Hyo Bin Nam, Kwan Young Lee, So Hye Cho, Ho Seong Jang
  • Publication number: 20190090310
    Abstract: Disclosed is a technology for improving the quality of an IoT service by increasing the success rate of reception of a downlink packet transmitted to an IoT terminal through a new proposed method of solving a problem of downlink packet collision recognized by a BS.
    Type: Application
    Filed: June 14, 2017
    Publication date: March 21, 2019
    Inventors: Jae Seong JANG, Chang Min PARK, Dae Hyuk KIM, Jeong Seok SEO, Sang Min LEE, Deok Nyong KO
  • Publication number: 20190067505
    Abstract: A solar cell panel includes a light concentration layer on which sunlight is incident and concentrated; a cladding layer stacked on bottom of the light concentration layer; a light conversion/light guide layer including a light guide layer stacked on bottom of the light concentration layer to guide visible light to a side surface and a light conversion member to convert ultraviolet or infrared light to visible light; and a solar cell array placed along a side surface of the light conversion/light guide layer and having multiple solar cells electrically connected. The solar cell panel and a window comprising the same can increase efficiency of a window-type solar module by converting and concentrating light in a wavelength range not contributing to solar cell efficiency.
    Type: Application
    Filed: October 24, 2017
    Publication date: February 28, 2019
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyungduk KO, Il Ki Han, Ho Seong Jang
  • Publication number: 20190068488
    Abstract: A network device in a network system including a plurality of network devices, includes: an identification unit to identify whether specific information is included in an uplink message received from a specific terminal device, where the specific information includes subscription-related information indicating that the specific terminal device has a subscription to a specific network device among the plurality of network devices and the specific terminal device is locally managed by the specific network device; a determination unit to determine whether to route the uplink message on the basis of the identification of the specific information; and a decision unit to decide the specific network device to which the uplink message is routed on the basis of the specific information when routing the uplink message is determined, where each network device of the network devices in the network system locally manages terminal devices which subscribes to each network device.
    Type: Application
    Filed: October 29, 2018
    Publication date: February 28, 2019
    Inventor: Jae Seong JANG
  • Publication number: 20190023044
    Abstract: Disclosed is a structure for preventing counterfeit, falsification or reuse, including a metal layer, a photoconversion pattern layer including a plurality of photoconverting nanoparticles formed on the metal layer, a metal pattern layer placed on the metal layer and the photoconversion pattern layer, and an adhesive film placed on the metal pattern layer. Accordingly, the structure for preventing counterfeit, falsification or reuse according to the present disclosure allows a pattern indicating a genuine product to be easily identified with an eye through infrared light irradiation, and is fundamentally impossible to re-assemble after deformation of the structure caused by disassembly of a packaging container, thereby preventing counterfeit, falsification or reuse.
    Type: Application
    Filed: September 8, 2017
    Publication date: January 24, 2019
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyungduk KO, Kisun PARK, Ho Seong JANG, IL KI HAN
  • Patent number: 10167424
    Abstract: Provided are a nanophosphor and a silica composite including the nanophosphor. The nanophosphor has a core/first shell/second shell structure or a core/first shell/second shell/third shell structure, wherein the core includes a Yb3+-doped fluoride-based nanoparticle, the first shell is an up-conversion shell including a Yb3+ and Tm3+-codoped fluoride-based crystalline composition, the second shell is a fluoride-based emission shell, and the third shell is an outermost crystalline shell.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: January 1, 2019
    Assignee: Korea Institute of Science and Technology
    Inventors: Ho Seong Jang, Joon Soo Han, So Hye Cho, Seung Yong Lee
  • Patent number: 10159758
    Abstract: Provided is a nanophosphor having a core/double shell structure, the nanophosphor including a upconversion core including a Yb3+, Ho3+, and Ce3+? co-doped fluoride-based nanophosphor represented by Formula 1; a first shell surrounding at least a portion of the upconversion core, and comprising a Nd3+ and Yb3+ co-doped fluoride-based crystalline composition represented by Formula 2; and a second shell surrounding at least a portion of the first shell, and having paramagnetic properties represented by Formula 3.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: December 25, 2018
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ho Seong Jang, So Hye Cho, Seung Yong Lee, A Ra Hong
  • Patent number: 10144868
    Abstract: The present invention relates to a novel method for preparing a water-insoluble metal hydroxide, and a use thereof. The water-insoluble metal hydroxide of the present invention is conveniently and efficiently prepared s through the high-temperature heat treatment step two times and the washing step, and thus contains a small amount of an alkali metal and has a high crystallinity and a phase purity. The water-insoluble metal hydroxide of the present invention or metal oxide therefrom exhibits an absorption wavelength at a low wavelength range (for example, 490 nm or less) and a light emitting wavelength at a high wavelength range (for example, from 500 nm or more to less than 1,100 nm).
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: December 4, 2018
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: So Hye Cho, Seung Yong Lee, Khan Sovann, Jong Ku Park, Sun Jin Kim, Ho Seong Jang
  • Publication number: 20180303959
    Abstract: Provided is a nanophosphor having a core/double shell structure, the nanophosphor including a upconversion core including a Yb3+, Ho3+, and Ce3+? co-doped fluoride-based nanophosphor represented by Formula 1; a first shell surrounding at least a portion of the upconversion core, and comprising a Nd3+ and Yb3+ co-doped fluoride-based crystalline composition represented by Formula 2; and a second shell surrounding at least a portion of the first shell, and having paramagnetic properties represented by Formula 3.
    Type: Application
    Filed: January 15, 2018
    Publication date: October 25, 2018
    Inventors: Ho Seong JANG, So Hye CHO, Seung Yong LEE, A Ra HONG
  • Publication number: 20180193821
    Abstract: Provided is a catalyst for synthesizing hydrogen peroxide as represented by the following Chemical Formula 1: RhxAg(1-x),??[Chemical Formula 1] where 0<x<1.
    Type: Application
    Filed: October 6, 2017
    Publication date: July 12, 2018
    Inventors: Seung Yong LEE, Sang Soo HAN, Hyo Bin NAM, Kwan Young LEE, So Hye CHO, Ho Seong JANG