Patents by Inventor Kyu Sung Lee

Kyu Sung 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: 20190314628
    Abstract: A deep brain stimulation apparatus according to the present disclosure includes: a stimulator for applying electrical stimulation to a brain; a light source for providing light to the brain; plasmonic nano-particles which, when the brain releases a neurotransmitter as a result of the electrical stimulation, come into contact with the neurotransmitter to enable surface-enhanced Raman scattering (SERS); a photodetector which includes the plasmonic nano-particles and, when the light from the light source is scattered by the neurotransmitter which has come into contact with the plasmonic nano-particles, detects the scattered light; a signal processing analyzer for converting a light signal from the photodetector to an electric signal; and a controller for receiving an analysis signal from the signal processing analyzer to control the stimulator.
    Type: Application
    Filed: September 29, 2017
    Publication date: October 17, 2019
    Applicant: Samsung Life Public Welfare Foundation
    Inventors: Eun Kyoung Park, Min Hee Kang, Soon Young Kwon, Kyu-Sung Lee
  • Patent number: 10439105
    Abstract: A light emitting diode including a first conductive type semiconductor layer, a mesa disposed on the first conductive type semiconductor layer, the mesa including an active layer and a second conductive type semiconductor layer, a reflective electrode disposed on the mesa and configured to be in ohmic-contact with the second conductive type semiconductor layer, a current spreading layer disposed on the mesa and the reflective electrode, the current spreading layer including a first portion configured to be in ohmic-contact with an upper surface of the first conductive type semiconductor layer, a first n-contact region spaced apart from a second n-contact region with the mesa disposed between the first and second n-contact regions, and an insulation layer including a first opening exposing the reflective electrode between the first and second n-contact regions. The first and second n-contact regions have a second opening that exposes the first conductive type semiconductor layer.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: October 8, 2019
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Daewoong Suh, Dae Sung Cho, Joon Sup Lee, Kyu Ho Lee, Chi Hyun In
  • Publication number: 20190248125
    Abstract: A system for manufacturing a laminated film, in which a first film and a second film are sequentially laminated, and the system includes: a film supplying part which supplies the first film and the second film; a bonding part which includes a first roll and a second roll that rotate in opposite directions, and compresses the first film and the second film supplied from the film supplying part and bonds the first film and the second film as the laminated film; and a bending inducing part which supports and bends the laminated film bonded and output from the bonding part, in which the second roll shifts in a direction along a circumference of a virtual circle having a larger radius than a radius of the first roll to control the bending of the laminated film.
    Type: Application
    Filed: October 19, 2017
    Publication date: August 15, 2019
    Inventors: Beom Seok LEE, Hang Suk CHOI, Jae Hoon CHOI, Eung Jin JANG, Suk Jae LEE, Ju Young JEOUNG, Kyu Sung HWANG, Sung Kyum KIM
  • Patent number: 10366776
    Abstract: A memory system may include: a memory device including a plurality of memory blocks configured in a plurality of super memory blocks; and a controller suitable for detecting two or more bad super memory blocks each including at least one bad block among the super memory blocks, selecting at least one victim super memory block among the bad super memory blocks, and replacing the at least one bad block in each remaining bad super memory block with at least one normal block of the victim super memory block.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: July 30, 2019
    Assignee: SK hynix Inc.
    Inventors: Ik-Sung Oh, Byeong-Gyu Park, Kyu-Min Lee
  • Publication number: 20190229556
    Abstract: Provided are a wireless power transmission device and a wireless power transmission system. The wireless power transmission device, according to one embodiment of the present invention, may comprise: a dipole coil comprising a core, and a conducting wire wound at the center part of the core; a power unit for supplying a current to the conducting wire; and a canceling coil for canceling a magnetic field radiated from a lateral surface of the dipole coil.
    Type: Application
    Filed: September 1, 2017
    Publication date: July 25, 2019
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young-ho CHOI, Chun-taek RIM, Eun-soo LEE, Byeong-guk CHOI, Jin-soo CHOI, Kyu-sung LEE
  • Publication number: 20190222068
    Abstract: The present invention relates to a display apparatus and operational method therefor, and an electronic apparatus, and the display apparatus according to an embodiment of the present invention may comprise: a resonance circuit unit for generating voltage by means of inductive electromotive force generated due to an external apparatus; a capacitance variance unit for varying the capacitance (Cv) of the resonance circuit unit in order to control the resonance point thereof, the resonance point having been changed due to the distance from the external apparatus; and a display panel for implementing an image by means of the voltage.
    Type: Application
    Filed: July 17, 2017
    Publication date: July 18, 2019
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young-ho CHOI, Chun Taek RIM, Eun Soo LEE, Young-chan PARK, Kyu-sung LEE, Sang-min LIM, Tan Duy NGUYEN, Byeong Guk CHOI, Jin Soo CHOI
  • Patent number: 10324304
    Abstract: Provided is a stereoscopic display device, including: a base member transmitting an incident beam; and a three-dimensional effect forming part on a first surface of the base member, wherein the three-dimensional effect forming part has a pattern, the pattern having multiple pattern units arranged in a concentric circular, elliptical or polygonal radial form, each of the pattern units having an inclined surface having an inclination angle with respect to the first surface, and wherein when an incident beam is incident to a central portion of the pattern, the pattern guides the incident beam in a first surface direction toward which the first surface looks or a second surface direction toward which a second surface opposite to the first surface looks, thereby displaying a line-shaped beam having a three-dimensional effect in a first path resulting a pattern arrangement direction.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: June 18, 2019
    Assignee: LG Innotek Co., Ltd.
    Inventors: Dong Hyun Lee, Youn Mo Jeong, Kyu Sung Han
  • Patent number: 10316785
    Abstract: An apparatus and a method for controlling a flow control valve for a high-pressure fuel pump include: a pressure sensor for fuel in a delivery pipe; a control unit for controlling an operation of a flow control valve by controlling a current applied to a coil; a power switching unit for supplying or blocking driving power supplied to the flow control valve based on a control signal of the control unit; and a current adjustment unit electrically connected/disconnected with the flow control valve by the power switching unit to reduce a current supplied to the flow control valve when the current adjustment unit is connected with the flow control valve. Therefore, a noise and a vibration by collision between the plunger and the core upon closing the flow control valve may be attenuated by adjusting a current amount applied to the coil.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: June 11, 2019
    Assignee: MOTONIC CORPORATION
    Inventors: Sang Ryul Lee, Wan Jae Jeon, Jun Hyeok Lee, Hyung Soo Kim, Hae Jin Kim, Kyu Sung Choi, Yeong Dong Park
  • Patent number: 10319884
    Abstract: A light emitting diode includes a first conductive type semiconductor layer and a mesa disposed on the first conductive type semiconductor layer. The mesa includes an active layer and a second conductive type semiconductor layer. A reflective electrode is disposed on the mesa to be in ohmic-contact with the second conductive type semiconductor layer. A current spreading layer is disposed on the mesa and the reflective electrode. A first portion of the current spreading layer is in ohmic-contact with an upper surface of an end portion of the first conductive type semiconductor layer. A lower insulating layer is disposed between the mesa and the current spreading layer, and the reflective electrode and the current spreading layer. An upper insulating layer covers the current spreading layer and includes a first hole exposing a second portion of the current spreading layer that is disposed on an upper portion of the mesa.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: June 11, 2019
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Daewoong Suh, Dae Sung Cho, Joon Sup Lee, Kyu Ho Lee, Chi Hyun In
  • Publication number: 20190154080
    Abstract: The present invention relates to an air foil journal bearing including a bearing housing having a hollow, in which a rotor is arranged, and a pair of top foils with different lengths formed inside the hollow, thereby enhancing assemblability since the lengths are reduced and increasing stability at the time of high speed rotation through position adjustment of a slot to which the top foils are inserted.
    Type: Application
    Filed: October 19, 2018
    Publication date: May 23, 2019
    Inventors: Jong Sung LEE, Gun Woong PARK, Chi Yong PARK, Hyun Sup YANG, Kyu Sung CHOI
  • Publication number: 20190157910
    Abstract: The present invention relates to an electronic apparatus and display apparatus, and method for driving the apparatuses, and the display apparatus according to an embodiment of the present invention may comprise: a resonance circuit unit for generating voltage by means of inductive electromotive force generated due to an external apparatus; a rectification unit for rectifying the output voltage of the resonance circuit unit; and a converter for outputting the rectified voltage of the rectification unit as the target voltage by varying duty on the basis of duty data and target voltage determined in accordance with the distance from the external apparatus.
    Type: Application
    Filed: June 22, 2017
    Publication date: May 23, 2019
    Inventors: Young-ho CHOI, Chun-taek RIM, Eun-soo LEE, Young-chan PARK, Kyu-sung LEE, Sang-min LIM, Byeong-guk CHOI, Jin-soo CHOI, Ho-jic KIM
  • Patent number: 10297720
    Abstract: The present invention relates to a light emitting diode and a method of manufacturing same. The light emitting diode includes: a first conductive semiconductor layer; a plurality of mesas that are disposed spaced apart from one another on the first conductive semiconductor layer, each mesa including an active layer and a second conductive semiconductor layer; reflective electrodes that are respectively disposed on the plurality of mesas and come into ohmic contact with the second conductive semiconductor layer; openings that cover the plurality of mesas and the first conductive semiconductor layer, are electrically insulated from the mesas, and expose the reflective electrodes to the upper region of each mesa; and a current spreading layer that comes into ohmic contact with the first conductive semiconductor layer. Thus, a light emitting diode that improves current spreading performance may be provided.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: May 21, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Daewoong Suh, Dae Sung Cho, Joon Sup Lee, Kyu Ho Lee, Chi Hyun In
  • Patent number: 10153141
    Abstract: Provided is an apparatus for monitoring a gas and plasma process equipment including the same. The apparatus includes: a housing including a gas inflow hole, a gas discharge hole, and windows; a light source disposed adjacent to one of the windows outside the housing to provide source light to a gas supplied between the gas inflow hole and the gas discharge hole; a sensor disposed adjacent to the other of the windows outside the housing to detect fluorescence emitted from the gas by the source light; and a coil disposed in the housing between the gas inflow hole and the gas discharge hole to heat and decompose the gas between the light source and the sensor, thereby increasing the fluorescence emitted from the gas.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: December 11, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sun Jin Yun, Kyu Sung Lee, JungWook Lim
  • Publication number: 20180323660
    Abstract: Provided is an electronic device including: a wireless power receiver configured to receive wireless power from a wireless power transmission device; and a controller configured to obtain a reception ratio of wireless power received by the wireless power receiver relative to wireless power transmitted by the wireless power transmission device, and provide a user interface that guides a location movement of the wireless power transmission device, based on the obtained reception ratio.
    Type: Application
    Filed: August 24, 2016
    Publication date: November 8, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Kyu-sung LEE
  • Publication number: 20180305563
    Abstract: Provided are a liquid metal mixture, and a method of forming a conductive pattern using the same. The liquid metal mixture includes a polymer powder of about 10 to about 90 wt %, and a liquid metal included in an amount of about 10 to about 90 wt % and covering surfaces of particles of the polymer powder, wherein the polymer powder has a polar functional group. The method includes preparing a liquid metal mixture, forming a first pattern on a substrate with the liquid metal mixture, and forming a second pattern by pressing or heating the first pattern.
    Type: Application
    Filed: April 16, 2018
    Publication date: October 25, 2018
    Inventors: Ji-Young OH, Rae-Man PARK, Kyung Hyun KIM, Hyun Woo DANG, Yong Suk YANG, Kyu Sung LEE
  • Publication number: 20180219425
    Abstract: A display system, a wireless power transmission apparatus, and a wireless power reception apparatus are provided. The display system includes a wireless power transmission apparatus, a wireless power reception apparatus, and a display apparatus configured to receive power from the wireless power reception apparatus, wherein the wireless power transmission apparatus includes a first coil and a second coil of a closed loop arranged above the first coil and configured to apply power to the first coil to generate a magnetic field in a direction toward the wireless power reception apparatus, and wherein, in response to the generated magnetic field being applied to the wireless power reception apparatus, the wireless power reception apparatus is configured to generate power using a coil of a multilayer structure into which a plurality of insulators is inserted and to transmit the generated power to the display apparatus.
    Type: Application
    Filed: January 12, 2018
    Publication date: August 2, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-ho CHOI, Sang-min LIM, Kyu-sung LEE
  • Publication number: 20180162050
    Abstract: Disclosed are a system for and a method of manufacturing a three-dimensional (3D) structure. The method may include injecting a fluid with a first pressure toward a surface of a first output layer to form a softening layer in the first output layer, injecting the fluid with a second pressure toward the softening layer to form an uneven structure in the softening layer, the second pressure being higher than the first pressure, and forming a second output layer on the softening layer with the uneven structure.
    Type: Application
    Filed: October 18, 2017
    Publication date: June 14, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ji-Young OH, Yong Suk YANG, Kyung Hyun KIM, Kyu Sung LEE
  • Patent number: 9136502
    Abstract: An organic light emitting diode display includes a substrate having organic light emitting diodes thereon. A thin film encapsulation layer is formed on the substrate such that the thin film encapsulation layer covers the organic light emitting diodes. A nonorganic layer is formed under the thin film encapsulation layer along the edge of the thin film encapsulation layer.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: September 15, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Dong-Won Han, Kyu-Sung Lee
  • Publication number: 20150235816
    Abstract: Provided is an apparatus for monitoring a gas and plasma process equipment including the same. The apparatus includes: a housing including a gas inflow hole, a gas discharge hole, and windows; a light source disposed adjacent to one of the windows outside the housing to provide source light to a gas supplied between the gas inflow hole and the gas discharge hole; a sensor disposed adjacent to the other of the windows outside the housing to detect fluorescence emitted from the gas by the source light; and a coil disposed in the housing between the gas inflow hole and the gas discharge hole to heat and decompose the gas between the light source and the sensor, thereby increasing the fluorescence emitted from the gas.
    Type: Application
    Filed: February 13, 2015
    Publication date: August 20, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sun Jin YUN, Kyu Sung LEE, JungWook LIM
  • Publication number: 20150122321
    Abstract: Provided is a solar cell including a semiconductor substrate having a first conductivity type; a semiconductor layer having a second conductivity type and disposed on one surface of the semiconductor substrate; a passivation layer disposed on the other surface of the semiconductor substrate; a front electrode disposed on the semiconductor layer; and a back electrode disposed on the passivation layer, wherein the passivation layer comprises a plurality of silicon layers having different crystallinity.
    Type: Application
    Filed: May 7, 2014
    Publication date: May 7, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: JungWook LIM, Kyu Sung LEE, Sun Jin YUN