Patents by Inventor Hwa Song

Hwa Song 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).

  • Backlight unit and display device having the same
    Patent number: 9310546
    Abstract: A backlight unit includes a light source which generates light, a light guide plate which guides the light substantially in an upward direction, a first frame member which holds the light source and diffuses the light traveling substantially in the upward direction between the light source and the light guide plate, a second frame member which holds the light guide plate, a third frame member which holds the light guide plate, a reflective plate disposed under the light guide plate and which reflect the light leaked downwardly from the light guide plate substantially to the upward direction, and an optical sheet disposed on the light guide plate and the first to third frame members and which diffuses the light provided from the first frame member and the light guide plate and condenses the light substantially in the upward direction.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: April 12, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dohun Kim, Jiwon Lee, Seong-Yong Hwang, Hyun-Hwa Song, Sangheon Ye, Sang Hoon Lee
  • Micro particle for thermal control material and device and method of producing the same using ultrasonic high-temperature vibration scheme
    Patent number: 9296935
    Abstract: Disclosed is a micro particle for a thermal control material capable of being applied as a highly thermal conductive material for thermal control, and an apparatus and a method of producing the micro particle for the thermal control material by using an ultrasonic high-temperature vibration scheme. More specifically, a Boron Nitride (BN) particle having a plate shape and an excellent thermal conductivity is coated on a PCM having a shape of a micro bead, to increase the thermal conduction to the inside PCM, so that a phase change is easily generated, and which allows an easy treatment of the PCM in a liquid state at a temperature equal to or higher than a melting point of the PCM.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: March 29, 2016
    Assignee: Hyundai Motor Company
    Inventors: Han Saem Lee, Do Suck Han, Jin Woo Kwak, Chi Hoon Choi, Kyong Hwa Song, Byung Sam Choi
  • High heat radiation composite and a method of fabricating the same
    Patent number: 9296871
    Abstract: The present disclosure provides a high heat radiation composite material including a hybrid filler comprising expanded graphite filled with expandable polymeric beads, and a fabrication method thereof. In the method, a dispersion solution is prepared by dispersing expandable polymeric beads in ethanol. Expanded graphite is immersed in the dispersion solution, and heat-treated to remove ethanol, thereby producing the hybrid filler. The hybrid filler is dispersed into the matrix polymer via an extrusion/injection process, thereby producing the composite material.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: March 29, 2016
    Assignee: Hyundai Motor Company
    Inventors: Kyong Hwa Song, Han Saem Lee, Jin Woo Kwak, Byung Sam Choi
  • THERMOELECTRIC GENERATION APPARATUS FOR VEHICLE
    Publication number: 20160064636
    Abstract: A thermoelectric generation apparatus for a vehicle using waste heat of an engine is provided. The thermoelectric generation apparatus includes a conduction block that has a high thermal conductivity and is disposed between an engine and an exhaust manifold. A first thermoelectric element module is configured to generate an electromotive force from a difference between temperatures of opposite ends of the first thermo electric element. In addition, the first thermoelectric element is disposed at one side of the conduction block. Accordingly, thermoelectric generation efficiency of the first thermoelectric element module is increased by minimizing heat loss of the waste heat gas discharged from the engine.
    Type: Application
    Filed: April 10, 2015
    Publication date: March 3, 2016
    Inventors: Su Jung Noh, Kyong Hwa Song, Han Saem Lee, In Chang Chu, Gyong Bok Kim, In Woong Lyo, Jin Woo Kwak
  • Heat dissipation device for electronic controllers
    Patent number: 9273912
    Abstract: A heat dissipation device for electronic controllers, is provided and includes a housing that has a hollow portion into which a working fluid for heat transfer and dissipation is filled. The housing of the electronic controller is formed to have the hollow portion using the material containing the heat-conductive filler and the heat transfer working fluid is filled in the hollow portion, to improve the cooling efficiency and achieving the weight reduction. By forming the condensation unit that condenses the vaporized working fluid in the upper end portion relative to the working fluid filled in the hollow portion of the housing, the heat exchange effect of the working fluid may be maximized.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: March 1, 2016
    Assignee: Hyundai Motor Company
    Inventors: Jin Woo Kwak, Kyong Hwa Song, Gyung Bok Kim, In Chang Chu
  • APPARATUS AND METHOD FOR CHECKING WHETHER SUB UNIT IS CONNECTED TO MAIN CONTROLLER
    Publication number: 20160054371
    Abstract: Provided is an electronic device capable of checking whether a sub unit is connected to a main controller. The electronic device includes a main controller including a pulse width modulation (PWM) port, and at least one sub unit configured to receive a PWM signal from the main controller and to operate according to the PWM signal. The main controller checks whether the at least one sub unit is connected to the main controller via the PWM port.
    Type: Application
    Filed: February 26, 2015
    Publication date: February 25, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-hwa SONG, Yun-su KIM
  • REACTOR AND OPERATING METHOD FOR THE REACTOR
    Publication number: 20160042816
    Abstract: Provided are a reactor and an operating method for the reactor, and more particularly, a reactor which may passively cool excessively generated heat without an operation of an operator at the time of abnormality of the reactor, completely passively perform the cooling operation for safety procedures by a structure of the reactor and a change in environmental conditions such as a pressure, etc., without a separate control command, and have a simpler structure than the existing reactor safety system, and an operating method for the reactor.
    Type: Application
    Filed: August 10, 2015
    Publication date: February 11, 2016
    Inventors: Sung-Jae Yi, Chul-Hwa Song, Hyun Sik Park, Sung Won Bae, Rae-Joon Park
  • IMAGE FORMING APPARATUS AND METHOD
    Publication number: 20160026145
    Abstract: Disclosed herein are an image forming apparatus and method that determines whether a photo sensor used for color registration is contaminated and a contamination level thereof so as to automatically clean the photo sensor. The image forming apparatus includes an intermediate transfer medium onto which images having different colors are to be overlapped and transferred, a photo sensor which emits light to receive light reflected by the intermediate transfer medium, a cleaning unit which cleans the photo sensor, and a control unit which controls the cleaning unit to clean the photo sensor based on an amount of light received by the photo sensor meeting a contamination indicating threshold.
    Type: Application
    Filed: July 1, 2015
    Publication date: January 28, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kook PARK, Young Hwa Song
  • Nanophosphor sheet and backlight device
    Patent number: 9240132
    Abstract: A nanophosphor sheet is presented. The nanophosphor sheet may include a base layer, a plurality of core-shell phosphors dispersed in the base layer, and a coating layer surrounding at least one core-shell phosphor among the plurality of core-shell phosphors. Also presented is a backlight device that includes a light source emitting light, a light guide plate receiving the light, and a plurality of core-shell phosphors positioned to receive the light and convert the light to white light. The core-shell phosphors may be incorporated into the light guide plate or be positioned on the light guide plate as a separate layer.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: January 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hoon Kim, Hyun-Hwa Song, Seung Hwan Chung, Young Jun Choi, Byung Choon Yang, Han Moe Cha
  • System and method for monitoring behavior of students in field trips
    Patent number: 9218749
    Abstract: Provided is a system and method for monitoring a student behavior in a field trip. The system may include: a plurality of member terminals held respectively by a plurality of members conducting a group activity and provided with a plurality of sensors, an imaging device, and a data storage device to collect and store behavior information of the members to match time information, the behavior information including location information, orientation information, view information, and motion information; at least one leader terminal held by a leader and configured to receive and store the behavior information of the members collected by the plurality of member terminals; and an analysis terminal configured to receive the behavior information from the at least one leader terminal and the plurality of member terminals.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: December 22, 2015
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: June Hwa Song, In Seok Hwang, Hyuk Jae Jang, Tai Woo Park, A Ram Choi, Young Ki Lee, Chan You Hwang
  • Nanophosphor sheet and backlight device
    Patent number: 9202399
    Abstract: A nanophosphor sheet is presented. The nanophosphor sheet may include a base layer, a plurality of core-shell phosphors dispersed in the base layer, and a coating layer surrounding at least one core-shell phosphor among the plurality of core-shell phosphors. Also presented is a backlight device that includes a light source emitting light, a light guide plate receiving the light, and a plurality of core-shell phosphors positioned to receive the light and convert the light to white light. The core-shell phosphors may be incorporated into the light guide plate or be positioned on the light guide plate as a separate layer.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: December 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hoon Kim, Hyun-Hwa Song, Seung Hwan Chung, Young Jun Choi, Byung Choon Yang, Han Moe Cha
  • Radiant heat plate for battery cell module and battery cell module having the same
    Patent number: 9196934
    Abstract: Disclosed is a multifunctional radiant heat plate and a battery cell module having the same. The multifunctional radiant heat plate includes a heat conductive plate, a first and second composite sheet, at least one electroconductive metal layer, and electrodes. The heat conductive plate may be sandwiched between the first and second composite sheets. The at least one electroconductive metal layer is stacked on the composite sheet. Electrodes may be connected to the heat conductive plate and the metal layer, respectively. According to the disclosure, the heat conductive plate, the composite sheet, the electroconductive metal layer, and the electrodes are radiant heat interfacial components disposed between battery cells, and the composite sheet includes a piezoelectric material and a heat conductive filler dispersed and filled in a matrix resin.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: November 24, 2015
    Assignee: Hyundai Motor Company
    Inventors: You Sung Moon, Jin Woo Kwak, Kyong Hwa Song
  • Method and apparatus for non-destructive measurement of a composite material
    Patent number: 9188515
    Abstract: Disclosed is an integrated measurement apparatus that may perform measurement of various material characteristics (e.g., thermal conductivity, electrical conductivity, magnetic inductivity, etc.) and defects of a composite material in a non-destructive manner. The apparatus may include: a jig chamber having a door; a first jig device for measuring electrical characteristics, a second jig device for measuring magnetic characteristics, and a third jig device for measuring magnetic characteristics, the three jig devices interchangeably mounted in the jig chamber so that either the first, second, or third jig device may be used to measure a composite material sample.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: November 17, 2015
    Assignee: Hyundai Motor Company
    Inventors: You Sung Moon, Kyong Hwa Song, Jin Woo Kwak, Gi Hwan Kim
  • FLEXIBLE SECONDARY BATTERY
    Publication number: 20150325820
    Abstract: A flexible secondary battery includes an electrode assembly, a first external cover that is located on a first surface of the electrode assembly, and a second external cover that is located on a second surface of the electrode assembly, the second external cover and the first external cover including a sealing portion where edges of the first external cover and the second external cover are attached to each other to seal the electrode assembly. At least one of the first external cover and the second external cover includes a stress-relief pattern in a center portion.
    Type: Application
    Filed: April 2, 2015
    Publication date: November 12, 2015
    Inventors: Ju-Hee SOHN, Naum FEYGENSON, Jun-Won SUH, Jeong-Doo YI, Hyun-Hwa SONG, Bong-Kyoung PARK, Hye-Jung LEE
  • Display device having improved illumination characteristics
    Patent number: 9140845
    Abstract: A display device includes a display panel including a display area in which an image is displayed, and a light unit that includes: a light guide plate including a light receiving surface and a light emitting surface; a light source spaced apart from the light receiving surface while facing the light receiving surface and overlapping the display area; and a light diffusion member extending between the light receiving surface and the light source. The light diffusion member includes at least one of a first pattern formed on a surface of the light diffusion member facing the light emitting surface, and a second pattern formed on another surface of the light diffusion member, thereby implementing uniform brightness across the whole surface of the display panel.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong-Yong Hwang, Do Hun Kim, Sang Hoon Lee, Won Jin Kim, Hyun-Hwa Song, Sang Heon Ye, Ji Won Lee
  • Passive high pressure safety injection tank system (HPSIT) for responding to station blackout (SBO) and loss-of-coolant accidents (LOCA)
    Patent number: 9129713
    Abstract: A high pressure safety injection tank (HPSIT) system includes one safety injection tank (HIT) which replaces a core makeup tank (CMT) and a low pressure (approximately 4.3 Mpa or below) safety injection tank (SIT) and which can shift to and operate on a high pressure (approximately 17 Mpa) operation mode, to enable injection of emergency core coolant into a reactor system both under low pressure (approximately 4.3 Mpa or below) and high pressure (approximately 17 Mpa).
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: September 8, 2015
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Tae-Soon Kwon, Dong-Jin Euh, Chul-Hwa Song, Won-Pil Baek
  • Resource sharing method and system
    Patent number: 9098518
    Abstract: A resource sharing method for a resource sharing system for a plurality of edge peers that individually store a resource and a plurality of super peers that manage the plurality of edge peers or resource information including a name of the resource that includes at least one key word is provided. In the resource sharing system, the super peers distribute and manage resource information of the edge peers according to a key word. Therefore, if a resource is requested using part of a name of a resource desired by a certain edge peer, the super peer searches for resources including the resource desired by the edge peer. Therefore, a user of an edge peer may acquire a desired resource even using part of a name of a desired resource.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: August 4, 2015
    Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation Yonsei University
    Inventors: Jae-min Ahn, Ji-yon Han, Jeong-hwa Song, U-ram Yoon, Keon-il Jeong, Eo-hyung Lee, Kyung-lang Park, Shin-dug Kim
  • OPTICAL PATTERN SHEET, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY HAVING THE SAME
    Publication number: 20150198756
    Abstract: A backlight unit including an optical pattern sheet and a liquid crystal display are provided. The backlight unit includes a light guide plate, a light source portion arranged adjacent to a side surface of the light guide plate to emit light, a mold frame having an extension portion that covers an upper portion of the light source portion and a part of an upper portion of the light guide plate, and an optical pattern sheet arranged on a lower portion of the extension portion to shade or diffuse incident light, wherein the optical pattern sheet includes a base film and an optical pattern portion positioned on the base film.
    Type: Application
    Filed: April 21, 2014
    Publication date: July 16, 2015
    Applicant: Samsung Display co., Ltd
    Inventors: Hyun Hwa SONG, Do Hun KIM, Dong Hoon KIM, Joong Hyun KIM, Sang Hoon LEE, Ji Won LEE, Seong Yong HWANG
  • FLEXIBLE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE FLEXIBLE SECONDARY BATTERY
    Publication number: 20150200417
    Abstract: A flexible secondary battery and a method of manufacturing the flexible secondary battery are disclosed. In one aspect, the flexible secondary battery comprises an electrode assembly including a plurality of curved sections that are continuously formed in a first direction. Each of the sections includes upper and lower portions connected to each other. Each upper portion comprises a left upper portion and a right upper portion spaced apart from each other, wherein the left and upper portions of each section are continuously formed with the adjacent sections. The lower portion of each section is spaced apart from the lower portions of the adjacent sections.
    Type: Application
    Filed: August 11, 2014
    Publication date: July 16, 2015
    Inventors: Hyun-Hwa Song, Feygenson Naum, Jun-Won Suh, Jeong-Doo Yi, Ju-Hee Sohn, Bong-Kyoung Park, Hye-Jung Lee
  • Image forming apparatus
    Patent number: 9069493
    Abstract: An image forming apparatus to effectively reduce power consumption of an image forming apparatus in a sleep mode by reducing current consumed in an operating panel microcomputer by operating parts by constituting the parts so that a power voltage is continually supplied to the parts to indicate that the image forming apparatus is in a power-on state while stopping the operation of the operating panel microcomputer of an operating panel part in a sleep mode.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: June 30, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Young Hwa Song