Patents Assigned to Korea Electronic Technology Institute
  • Photosensitive coating composition, coating conductive film using photosensitive coating composition, and method for forming coating conductive film
    Patent number: 9977327
    Abstract: The present invention relates to a photosensitive coating composition, a conductive coating film using the photosensitive coating composition, and a method for forming the conductive coating film. The present invention provides photosensitive coating composition for forming a conductive coating film, the composition containing a conductive nanomaterial and a photosensitive material. Further, the present invention provides a conductive coating film formed on a substrate, the conductive coating film formed using a photosensitive coating liquid. Here, after the photosensitive coating liquid is coated on the substrate, an exposed region and a non-exposed region are formed by exposure and washing, wherein the non-exposed region has at least two times the conductivity of the exposed region.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: May 22, 2018
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Kwonwoo Shin, Jisun Park, Jinwoo Cho, Yoonjin Kim
  • Method for providing internet of things service
    Patent number: 9967343
    Abstract: A method for providing an IoT service is provided. The method for providing the IoT service may provide the IoT service by using a D-platform, a P-platform, an M-platform, and an S-platform, and thus may provide an open type IoT service. Therefore, an IoT service developer may reduce the time and cost required to develop and an IoT service user may access the IoT service intuitively and systematically.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: May 8, 2018
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Jae Ho Kim, Kwang Ho Won, Sang Shin Lee, Il Yeup Ahn, Min Hwan Song, Jae Seok Yoon
  • RF amplifier to increase gain using transformer
    Patent number: 9966904
    Abstract: An RF amplifier to increase a gain using a transformer is provided. The amplifier includes: a first transistor configured to generate a current by amplifying and converting an input voltage; a second transistor configured to amplify the generated current; and a first transformer configured to feed an emitter current of the second transistor back to a gate. Accordingly, Gm of the transistor is boosted using the transformer, such that a high gain can be obtained with a low current. Therefore, a problem of a gain reduction caused by a parasitic capacitor at a high frequency can be solved.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: May 8, 2018
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Ki Jin Kim, Kwang Ho Ahan
  • Avalanche photodiode using silicon nanowire and silicon nanowire photomultiplier using the same
    Patent number: 9960299
    Abstract: Disclosed is an avalanche photodiode using a silicon nanowire, including a first silicon nanowire formed of silicon (Si), a first conductive region formed by doping one surface of the first silicon nanowire with a first dopant, and a second conductive region formed by doping one surface of the first silicon nanowire with a second dopant having a conductive type different from that of the first dopant so as to be arranged continuously in a longitudinal direction from the first conductive region, wherein, when the magnitude of a reverse voltage applied to both ends of the first silicon nanowire is equal to or greater than a preset breakdown voltage, avalanche multiplication of inner current occurs due to the incidence of light from the outside.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: May 1, 2018
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Suk Won Jung, Yeon Shik Choi, Young Chang Jo, Jae Gi Son, Ki Man Jeon, Woo Kyeong Seong, Kook Nyung Lee, Min Ho Lee, Hyuck Ki Hong
  • Energy conversion device using change of contact surface with liquid
    Patent number: 9954463
    Abstract: The present invention relates to an energy conversion device using a change of a contact surface with liquid and, more specifically, to a method and a device for converting mechanical energy into electrical energy by applying an opposite phenomenon to an electrowetting phenomenon. The energy conversion device having a simplified structure and reduced manufacturing costs with minimal malfunctions by changing a contact surface with liquid between a pair of electrodes and using the change of the contact surface with the liquid to generate electrical energy such that channel blocking can be prevented or a lubricating layer or electrodes complicatedly patterned on a channel are not required.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: April 24, 2018
    Assignee: Korea Electronics Technology Institute
    Inventors: Soon Hyung Kwon, Young Hoon Kim, Min Suk Oh, Ji Wan Kim, Byung Wook Yoo, Youn Sang Kim, Jun Woo Park
  • Method for transferring wireless power
    Patent number: 9923603
    Abstract: This invention defines management protocols for wireless power transfer to multiple devices in Multi-device Wireless Power Management System. Various functions of Multi-device Wireless Power Management System are justified from this invention. The WPT frames and messages which work between the management block of a charger and the management block or the coupler block of a device, or the coupler block of a charger are defined as well to execute various functions. Also the procedures for each functionality are described based on its frames and messages.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: March 20, 2018
    Assignee: Korea Electronics Technology Institute
    Inventors: Yun Jae Won, Seung Ok Lim
  • Wiring for semiconductor device and method of forming same
    Patent number: 9899315
    Abstract: A method for forming a wiring for a semiconductor device according to an aspect of the present invention includes: forming a predetermined pattern on a first surface of a silicon substrate by selectively etching the first surface; coating, with a metal layer, a selected area of the first surface, including an area whereat the predetermined pattern is formed; forming organic material in the first surface to fill an etched portion and cover the coated metal layer; forming a plurality of via holes in the organic material and connecting the metal wiring to the coated metal layer through the via holes; and grinding a second surface corresponding to the first surface to remove a part of the metal layer formed in the etched portion.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: February 20, 2018
    Assignee: Korea Electronics Technology Institute
    Inventors: Jun Chul Kim, Dong Su Kim, Se Hoon Park, Jong Min Yook
  • Method for producing an oxide film using a low temperature process, an oxide film and an electronic device thereof
    Patent number: 9881791
    Abstract: Disclosed are a method for producing an oxide film using a low temperature process, an oxide film and an electronic device. The method for producing an oxide film according to an embodiment of the present invention includes the steps of coating a substrate with an oxide solution, and irradiating the oxide solution coat with ultraviolet rays under an inert gas atmosphere.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: January 30, 2018
    Assignees: KOREA ELECTRONICS TECHNOLOGY INSTITUTE, CHUNG-ANG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION
    Inventors: Yong Hoon Kim, Sung Kyu Park, Min Suk Oh, Ji Wan Kim
  • Method for manufacturing laser module, and laser module package
    Patent number: 9882337
    Abstract: The present invention relates to a method for manufacturing a laser module, and a laser module package, and the method for manufacturing a laser module. Rapidity, accuracy and high reliability of the manufactured module can be obtained by aligning precisely using an automated equipment, and fixing components through laser welding.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: January 30, 2018
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Hyung Man Lee, Soon Seob Park
  • WEARABLE DEVICE, AND METHOD OF INPUTTING INFORMATION USING THE SAME
    Publication number: 20180011536
    Abstract: Disclosed is a wearable device including a sensor array having a plurality of sensors each configured to detect a physical change in epidermis of a corresponding body area; and a body motion determination unit configured to determine movement of a body part based on sensing signals from the plurality of sensors, and determine whether the determined movement corresponds to one of at least one next motion which is able to be derived from a current motion state.
    Type: Application
    Filed: December 1, 2015
    Publication date: January 11, 2018
    Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Kun Nyun KIM, Kwang Bum PARK, Yeon Hwa KWAK, Won Hyo KIM
  • Policy-based orchestration method in exascale class cloud storage environment and storage system using the same
    Patent number: 9864520
    Abstract: A policy-based orchestration method in an exascale class cloud storage environment, and a storage system using the same are provided. The storage orchestration method includes: allocating a combination of different storages to a user as a storage space; and adjusting the combination according to a user's using pattern. Accordingly, the storage can be operated optimally and autonomically, and thus can be operated efficiently and economically.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: January 9, 2018
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Jae Hoon An, Chang Won Park, Young Hwan Kim
  • Method for transmitting and receiving program configuration information for scalable ultra high definition video service in hybrid transmission environment, and method and apparatus for effectively transmitting scalar layer information
    Patent number: 9848217
    Abstract: The present invention relates to a method for transmitting and receiving program configuration information for a scalable ultra high definition (UHD) video service under the hybrid transmission environment, and to a method and apparatus for effectively transmitting scalar layer information, and more particularly, the present invention relates to a scheme for inserting group information for the scalable layer of a base layer and an enhancement layer, which form a scalable UHD video, and transmission channel information into a program map table (PMT) or a package configuration table (PCT), and for transmitting same, and to a scalable layer information format for transmitting layer information with a smaller number of bits as possible when a packet header includes scalable layer information.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: December 19, 2017
    Assignee: Korea Electronics Technology Institute
    Inventors: Byeong Ho Choi, Je Woo Kim, Hwa Seon Shin, Jae-Gon Kim, Doo San Baek, Dong Il Park
  • Apparatus and method for estimating temperature of motor using hall sensor
    Patent number: 9829392
    Abstract: The present disclosure relates to an apparatus and method for estimating a temperature of a motor using a Hall sensor. The method includes detecting, at a digital Hall sensor, a position of a rotor included in a motor and outputting an on signal in an operating period and an off signal in a release period according to a relative position of the rotor, calculating, at a temperature determining module, a difference between duration of the operating period and duration of the release period according to an output waveform of the digital Hall sensor, and then determining, at the temperature determining module, a temperature of the motor with reference to a temperature corresponding to the duration difference. Accordingly, it is possible to estimate the internal temperature of a motor without installing a temperature sensor in the motor, to maintain a small size of the motor, and to reduce production costs.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: November 28, 2017
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Joon Sung Park, Se Hyun Rhyu, In Soung Jung, Jun Hyuk Choi, Bon Gwan Gu, Jin Hong Kim
  • Positive active material for lithium secondary battery and method of preparing same
    Patent number: 9825291
    Abstract: A method of preparing a positive active material for a lithium secondary battery represented by the following Chemical Formula 1 (LiwNixCoyMn1-x-y-zMzO2) includes: (a) preparing a metal salt aqueous solution including a lithium raw material, a manganese raw material, a nickel raw material, and a cobalt raw material; (b) wet-pulverizing the metal salt aqueous solution using beads having a particle diameter of 0.05 to 0.30 mm at 2000 to 6000 rpm for 2 to 12 hours to prepare a slurry; (c) adding a carbon source to the slurry; (d) spray-drying the slurry of the step (c) to prepare a mixed powder; and (e) heat-treating the mixed powder.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: November 21, 2017
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Jun Ho Song, Young Jun Kim, Jae-Hun Kim, Kyoung Joon Lee, Min-Woo Lee
  • Method and system for providing NUI
    Patent number: 9823812
    Abstract: A method and system for providing a Network-based User Interface (NUI) is provided. The method for providing the NUI includes: selecting one from among devices connected to a network; acquiring a UI regarding the selected device through the network; and interacting with the device by using the acquired UI. Accordingly, the user terminal can acquire the UI regarding the device connected to the network through the network and interact with the device, so that the user can easily manipulate the device at a remote distance and can easily grasp the statue of the device.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: November 21, 2017
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Jae Ho Kim, Ha Gyeong Sung, Kwang Ho Won, Sang Shin Lee, Il Yeup Ahn, Min Hwan Song, Jae Seok Yoon
  • Method for transferring wireless power
    Patent number: 9812891
    Abstract: This invention defines management protocols for wireless power transfer to multiple devices in Multi-device Wireless Power Management System. Various functions of Multi-device Wireless Power Management System are justified from this invention. The WPT frames and messages which work between the management block of a charger and the management block or the coupler block of a device, or the coupler block of a charger are defined as well to execute various functions. Also the procedures for each functionality are described based on its frames and messages.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: November 7, 2017
    Assignee: Korea Electronics Technology Institute
    Inventors: Yun Jae Won, Seung Ok Lim
  • Local processing apparatus and data transceiving method thereof
    Patent number: 9811501
    Abstract: A local processing apparatus and a data transceiving method thereof are provided. The local processing apparatus includes a communication module configured to transceive the data with the one or more distributed storage units, a memory configured to store a program for transceiving the data and the one or more key-value data pairs, and a processor configured to execute the program, the processor confirms whether a first key-value data exists in the memory by executing the program, and determines whether to prefetch one or more key-value data corresponding to the first key-value data based on the confirmation result.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: November 7, 2017
    Assignee: Korea Electronics Technology Institute
    Inventors: Bong Jae Kim, Hye Dong Jung
  • Apparatus and method for inputting character based on hand gesture
    Patent number: 9811167
    Abstract: Provided are an apparatus and method for inputting a character based on a hand gesture. The apparatus includes a gesture recognition unit configured to recognize hand gestures of a user corresponding to horizontal directions, vertical directions, and diagonal directions, a control unit configured to control character input according to the directions of the recognized hand gestures, and a display unit configured to display a character pad for the character input and display characters input according to the directions of the hand gestures recognized on the character pad.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: November 7, 2017
    Assignee: Korea Electronics Technology Institute
    Inventors: Yang Keun Ahn, Kwang Mo Jung
  • INFORMATION INSERT IN 3D STRUCTURE AND NON-DESTRUCTIVE INFORMATION RECOGNITION METHOD
    Publication number: 20170311164
    Abstract: A method for inserting information into a 3D structure and recognizing information in a non-destructive method is provided. A 3D printing method according to an exemplary embodiment of the present invention includes: generating a tag having specific information recorded thereon to be inserted into a 3D structure, and printing the tag on the inside of the 3D structure while printing the 3D structure. Accordingly, since the tag having information recorded thereon is printed on the inside of the 3D structure when the 3D structure is printed by a 3D printer, it is impossible to forge/falsify information.
    Type: Application
    Filed: January 22, 2016
    Publication date: October 26, 2017
    Applicant: Korea Electronics Technology Institute
    Inventors: Choon Sung SHIN, Sung Hee HONG, Ji Soo HONG, Young Min KIM, Hoon Jong KANG, Young Choong PARK
  • Beamforming array antenna control system and method for beamforming using the same
    Patent number: 9787000
    Abstract: A control system connected to a plurality of array antenna performs beamforming. The control system comprises a beam radiation controller for requesting a predetermined first antenna group to radiate beams and requesting a second antenna group including the first antenna group to radiate beams to an optimized sector, a beam receiver for receiving response beams from the first antenna group and the second antenna group, and a sector selector for setting up an optimized sector based on the received beams for the first antenna group, and transmitting information on the optimized sector to the beam radiation controller in order to control the second antenna group to radiate beams to the optimized sector.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: October 10, 2017
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Ki Jin Kim, Kwang Ho Ahn, Sanghoon Park, Jong-Won Yu, Hyun Sung Tae