Patents by Inventor Sang Hun Lee

Sang Hun 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).

  • Wearable Display Device
    Publication number: 20180284388
    Abstract: An embodiment of a wearable display device may comprise: a base having a receiving space formed therein; a prism placed in front of an eye of a user, and adjusting the path of light, at least a part of which is incident, to allow a displayed virtual image to arrive at the eye; and a fastening unit for making a part of the prism and a part of the base be fastened to each other, thereby limiting the motion of the prism with respect to the base.
    Type: Application
    Filed: January 15, 2016
    Publication date: October 4, 2018
    Inventors: Sang Hun Lee, Kwang Il Kim, Yong Bok Choi
  • IMPLANTABLE HYBRID LEAD AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20180221635
    Abstract: In an implantable hybrid lead and a method of manufacturing the implantable hybrid lead, the implantable hybrid lead includes a conduit, a line electrode and a plurality of electrode terminals. The conduit has a fine channel through which a medicine is injected. The line electrode is inserted to and is combined with an outside of the conduit, and applies electrical simulation to a selected portion of a living body. A plurality of electrode terminals is disposed at an end of the conduit by a predetermined distance.
    Type: Application
    Filed: July 29, 2016
    Publication date: August 9, 2018
    Applicant: OSONG MEDICAL INNOVATION FOUNDATION
    Inventors: Jin-Hee MOON, In-Ho SONG, Jin-Won KIM, Seung-A LEE, Ha-Chul JUNG, Jin-Won AHN, Sang-Hun LEE, A-Hee KIM
  • IMAGING LENS
    Publication number: 20180224630
    Abstract: The present invention relates to an imaging lens and the present invention comprises: a first lens having a positive (+) refractive power; a second lens having a negative (?) refractive power; an iris (aperture); a third lens having a negative (?) refractive power; a fourth lens having a negative (?) refractive power; and a fifth lens having a positive (+) refractive power or negative (?) refractive power, wherein the first lens, the second lens, the third lens, the fourth lens and the fifth lens can be sequentially arranged along an optical axis from a subject side. Since the length of an optical system is shorter than a focal distance, the present invention can be effectively used for an imaging lens of an optical system requiring a low telephoto ratio.
    Type: Application
    Filed: August 2, 2016
    Publication date: August 9, 2018
    Applicant: LG INNOTEK CO., LTD
    Inventors: SANG HUN LEE, DAE SIK JANG
  • METHOD OF MANUFACTURING FEEDTHROUGH
    Publication number: 20180185654
    Abstract: A method of manufacturing a feedthrough having an enhanced hermetic sealing and used for a human implantable medical device such as a deep brain stimulator, a implantable AED, a implantable spinal cord stimulator and so on. Thus, more enhanced reproducibility and productivity in the diffusion welding and the laser hole machining may be guaranteed in the present method of manufacturing the feedthrough, compared to the conventional method using the ceramic metallizing and the brazing.
    Type: Application
    Filed: June 29, 2016
    Publication date: July 5, 2018
    Applicant: OSONG MEDICAL INNOVATION FOUNDATION
    Inventors: Jin-Won KIM, Jin-Hee MOON, In-Ho SONG, Sung-Keun YOO, Seung-A LEE, Ha-Chul JUNG, Dong-Jun MOON, Jin-Woo AHN, Sang-Hun LEE
  • OPTICAL MODULATOR INCLUDING MULTIPLE QUANTUM WELL AND CARRIER BLOCKS AND 3D IMAGE ACQUISITION APPARATUS INCLUDING THE SAME
    Publication number: 20180180907
    Abstract: An optical modulator and a 3D image acquisition apparatus including an optical modulator are provided. The optical modulator is disposed in a multiple quantum well including a plurality of quantum wells and a plurality of quantum barriers, and includes at least one carrier block disposed in the multiple quantum well restricting the carrier movement between the multiple quantum wells.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 28, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-young PARK, Yong-hwa PARK, Sang-hun LEE
  • Liquid-crystal display device and method of fabricating the same
    Patent number: 9989826
    Abstract: A liquid crystal display device includes: a first substrate on which a display area and a non-display area surrounding the display area are defined; a plurality of gate lines disposed in the display area and extending in a first direction; a plurality of data lines disposed in the display area and extending in a second direction, the data lines intersecting the gate lines; and a black matrix extending in the first line to cover the gate lines or in the second direction to cover the data lines, where a width of the black matrix at a location adjacent to a boundary line between the display area and the non-display area is larger than a width of the black matrix at a location adjacent to a center of the display area.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: June 5, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Young Bong Cho, Chang Hun Kwak, Hye Ran Mun, Dae Youn Park, Sang Hun Lee
  • VEHICLE AND DC-DC CONVERTER FOR A VEHICLE
    Publication number: 20180147945
    Abstract: A vehicle includes a first battery configured to output power at a first voltage, a second battery configured to output power at a second voltage, and a direct current (DC)-DC converter configured to convert the first voltage of the first battery to the second voltage and supply power at the second voltage to the second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.
    Type: Application
    Filed: June 30, 2017
    Publication date: May 31, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business Foundation
    Inventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
  • Head-Mounted Display Device
    Publication number: 20180129045
    Abstract: Disclosed is a head mounted display device, the head mounted display device according to an exemplary embodiment of the present invention may comprise: a prism for changing a path of incident light and then emitting the incident light, the prism having therein a reflection-transmission surface for reflecting or transmitting the incident light; and a camera module of which a lens is disposed in a direction that faces the prism.
    Type: Application
    Filed: April 21, 2016
    Publication date: May 10, 2018
    Inventors: Sang Hun Lee, Tae Kyung Kim
  • Head-Mounted Display
    Publication number: 20180120565
    Abstract: Embodiments relate to a head-mounted display which comprises: a light source; a lens part disposed on the optical axis of the light source; an image display part disposed apart from the lens part; a body disposed apart from the image display part, including a correction lens having protruding parts disposed at the center of the top and bottom surfaces thereof, and having a first hole, forming a path through which the protruding parts pass and the correction lens moves, disposed in a direction parallel to the optical axis; a correction lens position adjusting part having at least one second hole disposed therein which is coupled to the protruding parts passing through the first hole, surrounding the body, and moving in a direction parallel to the optical axis; and an image viewing part connected to the body.
    Type: Application
    Filed: May 3, 2016
    Publication date: May 3, 2018
    Inventors: Yong Bok Choi, Sang Hun Lee
  • FIXED TEMPERATURE MAINTENANCE SYSTEM FOR ENGINE IN UNMANNED AIRCRAFT HAVING AUTOMATIC THROTTLE LIMITING DEVICE
    Publication number: 20180118361
    Abstract: The present invention relates to a system for maintaining a constant temperature of an engine in an unmanned aerial system with an autothrottle limiting device, the system comprising: an autopilot 100 for issuing a throttle command; an autothrottle limiting device 200 for automatically limiting an upper limit of the throttle command issued by the autopilot 100; and a rotary engine 300 for feeding an internal temperature of the engine of the autopilot 100 back to the autothrottle limiting device 200. Thus, the system is applicable to all the kinds of unmanned aerial systems employing an air-cooling rotary engine (i.e. reciprocating engine), uses the existing autopilot of the unmanned aerial system without modification, improves the reliability and life of the engine, and safely takes the aerial vehicle back without accidents in the engine even though communication with a terrestrial system is interrupted.
    Type: Application
    Filed: January 11, 2016
    Publication date: May 3, 2018
    Applicant: KOREAN AIR LINES CO., LTD.
    Inventors: Seung Kie CHOI, Shin Je CHO, Sang Hun LEE
  • Human Body Wearable Device and Operation Method Thereof
    Publication number: 20180098708
    Abstract: According to an embodiment of the present disclosure, there is provided a human body wearable device including: a light emitting unit for generating light to outside, a light receiving unit for receiving light incident from outside; and a control unit for controlling an operation of the light emitting unit and detecting an intensity of light incident on the light receiving unit depending on the operation of the light emitting unit, and detecting a wearing state of the human body wearable device based on an intensity of detected light, wherein the control unit detects the wearing state using a difference value between an intensity of the light incident on the light receiving unit in an ON section of the light emitting unit and that of the light incident on the light receiving unit in an OFF section of the light emitting unit.
    Type: Application
    Filed: April 12, 2016
    Publication date: April 12, 2018
    Inventor: Sang Hun Lee
  • Optical modulator including multiple quantum well and carrier blocks and 3D image acquisition apparatus including the same
    Patent number: 9904078
    Abstract: An optical modulator and a 3D image acquisition apparatus including an optical modulator are provided. The optical modulator is disposed in a multiple quantum well including a plurality of quantum wells and a plurality of quantum barriers, and includes at least one carrier block disposed in the multiple quantum well restricting the carrier movement between the multiple quantum wells.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-young Park, Yong-hwa Park, Sang-hun Lee
  • Mobile molecular diagnostics system with wireless communication
    Patent number: 9901923
    Abstract: A mobile, self contained molecular diagnostics system is provided with a microfluidic chip, detection apparatus and an integrated or wireless control interface and imager. The system provides automated sample preparation and rapid optical detection of multianalyte nucleic acids and proteins. On chip PCR may be performed to improve the optical fluorescence signal for nucleic acid detections. Plasmonic protein detection is performed using a dark field smartphone microscope. Dark field illumination is based on an evanescent field generated by LED total internal reflection. The smartphone element may also be used as an interface to control the detection apparatus, acquire images, process data and for wireless communications with remote computers. The handheld automated system has low power requirements and is particularly suited for point of care and on demand diagnostics in resource limited settings.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: February 27, 2018
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Luke P. Lee, Jun Ho Son, Sang Hun Lee
  • Front Light Unit and Image Display Device
    Publication number: 20180045902
    Abstract: A front light unit of an embodiment comprises: a light source unit for an image display device; a light guide unit for guiding light incident from the light source unit and outputting the guided light to a display unit; and a holographic optical element unit being opposite to the display unit and disposed on the light guide unit. Therefore, the present invention can adjust the direction of light output from the light source unit and increase the quantity of light transferred to the display unit, using a pattern formed in the holographical optical element unit, thereby improving the efficiency of light supplied from the light source unit and reducing the sizes of the light unit and the display device including the same.
    Type: Application
    Filed: February 26, 2016
    Publication date: February 15, 2018
    Applicant: LG Innotek Co., Ltd.
    Inventors: Sang Hun Lee, Min Kim, Tae Kyung Kim, Jung In Jang
  • Array substrate for display device
    Patent number: 9891487
    Abstract: An array substrate for a display device includes a first substrate which includes a display region and a non-display region enclosing a periphery of the display region, a second substrate facing the first substrate which includes the display region and the non-display region enclosing a periphery of the display region, a color filter disposed on the first substrate, a liquid crystal layer disposed on the color filter and a black matrix disposed on the first substrate in the non-display region and at least a part of the display region, where the black matrix has a thickness ranging from about 2.5 micrometers to about 6.0 micrometers.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: February 13, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Dae Youn Park, Sang Hun Lee, Min Jung Kang, Chang Hun Kwak
  • OPTICAL APPARATUS
    Publication number: 20180039087
    Abstract: Disclosed is an optical apparatus including a display unit, a lens configured to pass an image formed by and transmitted from the display unit, a base configured to accommodate the lens therein, and an adjustment unit configured to move the lens relative to the base so as to adjust a path of light passing through the lens.
    Type: Application
    Filed: April 12, 2016
    Publication date: February 8, 2018
    Inventors: Yong Bok Choi, Kwang Il Kim, Eun Sung Seo, Sang Hun Lee
  • WORN BANKNOTE IDENTIFICATION METHOD AND ATM USING THE SAME
    Publication number: 20180032805
    Abstract: The present disclosure relates to a worn banknote identification method and an ATM (Automated Teller Machine) using the same, and more particularly, to a worn banknote identification method which acquires an image of a banknote inserted into an ATM, divides pixels of the acquired banknote image into a bright region and dark region depending on a brightness distribution of the banknote image, determines the wear level of the banknote by comparing a difference between the average brightness values of the two regions to a preset reference value, and separately stores the inserted banknote into a reject box depending on the wear level of the banknote, and an ATM using the same.
    Type: Application
    Filed: July 24, 2017
    Publication date: February 1, 2018
    Inventors: Eui Sun CHOI, Yoon Kill BAEK, Sang Wook BAEK, Sang Hun LEE, Chul Hee LEE
  • TOGGLE KEY BLOCKING METHOD FOR DATA SECURITY AND APPARATUS USING THE SAME
    Publication number: 20180025155
    Abstract: A toggle key blocking method for data security and an apparatus using the same. The toggle key blocking method for data security includes monitoring use of a toggle key on a host with which a keyboard is used, when use of a toggle key on the host is detected, generating details of occurrence of a toggle key event based on a time at which the toggle key event occurred; and blocking use of the toggle key on the host if the host satisfies a toggle key blocking condition based on the details of occurrence of the toggle key event.
    Type: Application
    Filed: December 23, 2016
    Publication date: January 25, 2018
    Inventors: YoungJae MAENG, Sang Hun LEE, In Jung KIM
  • Wearable Display Device
    Publication number: 20180011323
    Abstract: A wearable display device according to an embodiment may comprise: a first prism, positioned in front of a user's eye, for controlling the path of an incident light and enabling the arrival of a virtual image to be displayed on the eye; a second prism, coupled to the first prism, for reducing distortion of a real image arriving at the user's eye; and a coating layer which is interposed between the first prism and the second prism and of which the brightness is controlled in inverse proportion to the ambient brightness, such that the visibility of the virtual image increases.
    Type: Application
    Filed: December 14, 2015
    Publication date: January 11, 2018
    Inventors: Sang Hun Lee, Jung In Jang, Yong Bok Choi
  • THERAPEUTIC EFFECTS OF NURR1 AND FOXA2 IN INFLAMMATORY NEUROLOGIC DISORDERS BY M1-TO-M2 POLARIZATION OF GLIAL CELLS
    Publication number: 20170354688
    Abstract: A therapeutic effect of Nurr1 and Foxa2 in inflammatory neurologic disorders by M1-to-M2 polarization of glial cells is provided. Specifically, a method of converting glial cells from an M1 phenotype to an M2 phenotype, wherein Nurr1 and Foxa2 are introduced into the glial cells to be overexpressed in the glial cells and a method of preventing or treating an inflammatory neurologic disorder, which includes glial cells into which Nurr1 and Foxa2 are introduced, or a viral vector loaded with Nurr1 and Foxa2, are provided.
    Type: Application
    Filed: February 24, 2017
    Publication date: December 14, 2017
    Inventors: Sang-Hun LEE, Sang-Min OH