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).

  • Publication number: 20150176804
    Abstract: A wavelength converter and a liquid crystal display having the same, the wavelength converter including a first pattern that converts a wavelength of light into red light, and a second pattern that converts a wavelength of light into green light. The first pattern and the second pattern are alternately disposed, and an optical path length La of each of the first pattern and the second pattern is given by Equation (1): La=(?a/2)×m, wherein La is an optical length of an a-th pattern, ?a is a wavelength of light converted by the a-th pattern, a is one or two, and m is a natural number.
    Type: Application
    Filed: April 4, 2014
    Publication date: June 25, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyun Hwa SONG, Dong Hoon KIM, Sang Chul BYUN, Sang Hoon LEE, Seung Hwan CHUNG, Han Moe CHA
  • Patent number: 9065160
    Abstract: Disclosed is a radiant heat plate and a battery cell module having the same. The radiant heat plate is interposed between battery cells. The radiant heat plate includes a high-thermal conductivity plate with excellent thermal conductivity and a composite sheet fixedly laminated on both surfaces of the high-thermal conductivity plate. Here, the composite sheet is formed of a thermoplastic elastomer composite filled with a high-thermal conductivity filler.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: June 23, 2015
    Assignee: Hyundai Motor Company
    Inventors: Jin Woo Kwak, Kyong Hwa Song, Han Saem Lee, Byung Sam Choi
  • Publication number: 20150171382
    Abstract: A flexible secondary battery includes an electrode assembly and external material surrounding the electrode assembly having at least one bonding portion, wherein the external material is bonded to itself at the at least one bonding portion, and the at least one bonding portion extends in a lengthwise direction of the electrode assembly at an edge of the electrode assembly.
    Type: Application
    Filed: October 20, 2014
    Publication date: June 18, 2015
    Inventors: Jun-Won Suh, Jeong-Doo Yi, Ju-Hee Sohn, Hyun-Hwa Song
  • Publication number: 20150152308
    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: Application
    Filed: December 2, 2014
    Publication date: June 4, 2015
    Inventors: Han Saem Lee, Do Suck Han, Jin Woo Kwak, Chi Hoon Choi, Kyong Hwa Song, Byung Sam Choi
  • Publication number: 20150155589
    Abstract: A flexible secondary battery includes an electrode stack assembly including a first electrode layer, a second electrode layer, and a separator between the first and second electrode layers; wherein the electrode stack assembly has a first end portion and a second end portion located opposite to the first end portion; and a fixing member fixing the first electrode layer, the separator, and the second electrode layer together; wherein the electrode stack assembly includes a fixing member region in which the fixing member is formed, the fixing member region being located between the first and second end portions of the electrode stack assembly in a first direction, and wherein the first electrode layer, the separator, and the second electrode layer are flexible at both sides of the fixing member.
    Type: Application
    Filed: June 25, 2014
    Publication date: June 4, 2015
    Inventors: Jun-Won Suh, Jeong-Doo Yi, Ju-Hee Sohn, Hyun-Hwa Song
  • Patent number: 9046630
    Abstract: An optical sheet includes a base film, a prism pattern formed in a first area of the base film, and a diffusion member formed in a second area of the base film. The prism pattern has a plurality of parallel prisms on a light-exiting surface. The diffusion member includes a plurality of scatter members in the base film to scatter light, or a plurality of irregularly arranged lenses on one or more of the light-incident surface and the light-exiting surface.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Hwa Song, Kang-Woo Lee, Ki-Se Lee, Jin-Sung Choi, Sang-Woo Ha
  • Patent number: 9017570
    Abstract: Disclosed is a hybrid filler for an electromagnetic shielding composite material and a method of manufacturing the hybrid filler, by which electromagnetic shielding and absorbing capabilities are improved and heat generated by electromagnetic absorption is effectively removed. The hybrid filler for an electromagnetic shielding composite material includes an expandable graphite (EG) having a plurality of pores, and magnetic particles integrated with a carbon nanotube (CNT) on outer surfaces thereof in a mixed manner, wherein the magnetic particles are inserted into the pores of the EG.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: April 28, 2015
    Assignee: Hyundai Motor Company
    Inventors: Jin Woo Kwak, Kyong Hwa Song, Han Saem Lee, Byung Sam Choi
  • Publication number: 20150106817
    Abstract: A mobile apparatus includes a sensing handler and a processing handler. The sensing handler includes a plurality of sensing operators. The sensing operator senses data during a sensing time corresponding to a size of C-FRAME and stops sensing during a skip time. The C-FRAME is a sequence of the sensed data to produce a context monitoring result. The processing handler includes a plurality of processing operators. The processing operator executes the sensed data of the sensing operator in a unit of F-FRAME. The F-FRAME is a sequence of the sensed data to execute a feature extraction operation.
    Type: Application
    Filed: November 6, 2013
    Publication date: April 16, 2015
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: June-Hwa SONG, Young-Hyun JU, Chul-Hong MIN, Young-Ki LEE, Ji-Hyun YU, In-Sik SHIN
  • Publication number: 20150101352
    Abstract: A system for controlling thermal conductivity of a housing of an electronic part is provided. In particular, liquid is disposed within a hollow portion formed between an external wall body and an internal wall body of the housing and a magnetic field generating member is attached to an outer surface of the internal wall body. Insulating magnetic particles are dispersed in the liquid, and an orientation of the insulating magnetic particles is changed according to a direction of a magnetic field applied by the magnetic field generating member. This, as a result, controls the thermal conductivity of the housing.
    Type: Application
    Filed: December 11, 2013
    Publication date: April 16, 2015
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Jin Woo Kwak, Kyong Hwa Song, Gyung Bok Kim, In Chang Chu
  • Publication number: 20150104678
    Abstract: A structure for a housing of a power electronic part of a vehicle, particularly the battery, having varying thermal conductivity, the housing having insulation properties for solving heat dissipation and heat insulation problems. and controlling thermal conductivity depending on a surrounding environment is disclosed. The housing is manufactured with a hollow portion, configured to be filled with ellipsoidal magnetic particles coated with electrical insulation-type thermal conductive particles on their surfaces, and a containing a liquid fill in a state of being mixed with each other. Thermal conductivity is controlled by changing orientation of magnetic particles according to direction of a magnetic field applied by a magnetic field generating member.
    Type: Application
    Filed: December 13, 2013
    Publication date: April 16, 2015
    Applicant: Hyundai Motor Company
    Inventors: Jin Woo KWAK, Kyong Hwa SONG, In Chang CHU
  • Publication number: 20150064666
    Abstract: The present disclosures relates to a control terminal, comprising: a data communication unit for receiving a first user voice by data communication with a first audio device and receiving a second user voice by data communication with a second audio device; a turn information generating unit for generating turn information, which is voice unit information, by using the first and second user voices; and a metalanguage processing unit for determining a conversation pattern of the first and second users by using the turn information, and outputting a reminder message corresponding to a reminder event to the first user when the conversation pattern corresponds to a preset reminder event occurrence condition.
    Type: Application
    Filed: October 7, 2013
    Publication date: March 5, 2015
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: June Hwa Song, In Seok Hwang, Chung Kuk Yoo, Chan You Hwang, Young Ki Lee, John Dong Jun Kim, Dong Sun Jennifer Yim, Chul Hong Min
  • Patent number: 8957886
    Abstract: A context-showing and power-saving display information converting system and a corresponding apparatus are provided for lowering the power consumption of displaying images on a pixel self-emissive display device. The display information converting system includes a context-showing module and a power-saving conversion module. The context-showing module receives display information that describes the content of an image, wherein the display information includes one or more elements, and each element corresponds to a plurality of pixels displayed by a display device. In addition, the context-showing module determines a relevance of the one or more elements according to the viewing interest of the user. The power-saving conversion module converts the display information in unit of the one or more elements according to the relevance and provides the converted display information to the display device.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: February 17, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Tun-Hao You, Yi-Jui Wu, Hsiang-Tsung Kung, Koan-Sin Tan, Chen-Hwa Song, Yi-Jen Yeh
  • Publication number: 20150040583
    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: Application
    Filed: November 14, 2013
    Publication date: February 12, 2015
    Applicant: Hyundai Motor Company
    Inventors: Jin Woo Kwak, Kyong Hwa Song, Gyung Bok Kim, In Chang Chu
  • Publication number: 20150036164
    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: Application
    Filed: October 21, 2014
    Publication date: February 5, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Young Hwa SONG
  • Publication number: 20150029751
    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: Application
    Filed: January 2, 2014
    Publication date: January 29, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dohun KIM, Jiwon LEE, Seong-Yong HWANG, Hyun-Hwa SONG, SANGHEON YE, SANG HOON LEE
  • Patent number: 8931944
    Abstract: Display apparatuses are provided. The display apparatus includes a light source package generating light, a circuit board including a recessed region in which the light source package is disposed, a display panel displaying images, and a light guide plate directing the light generated from the light source package onto the display panel. The light guide plate includes a top surface, a bottom surface, and a plurality of sidewall surfaces. One of the sidewall surfaces of the light guide plate is a light incident surface on which the light from the light source package is irradiated. A distance between the light source package and the light incident surface is less than a width of the circuit board.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: January 13, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo Woan Cho, Hyun-Hwa Song, Eui Jeong Kang, Seongsik Choi
  • Publication number: 20150009712
    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: Application
    Filed: June 30, 2014
    Publication date: January 8, 2015
    Inventors: Seong-Yong HWANG, Do Hun KIM, Sang Hoon LEE, Won Jin KIM, Hyun-Hwa SONG, Sang Heon YE, Ji Won LEE
  • Patent number: 8926300
    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: February 27, 2012
    Date of Patent: January 6, 2015
    Assignee: Hyundai Motor Company
    Inventors: Han Saem Lee, Do Suck Han, Jin Woo Kwak, Chi Hoon Choi, Kyong Hwa Song, Byung Sam Choi
  • Publication number: 20140371946
    Abstract: A battery pack air cooling structure and method having a thermoelectric element are provided. The structure includes a housing having a cooling passageway through which a refrigerant passes and a plurality of cell module assemblies that are disposed inside the housing and each include a pair of unit cells stacked parallel to each other. A heat transfer plate is interposed between the pair of unit cells. A heat pipe has a first portion disposed in the heat transfer plate and protrudes second portion that protrudes out of the heat transfer plate. A heat-exchanging member formed at the second portion of the heat pipe and is configured to perform heat-exchange with air that passes through the cooling passageway; and a thermoelectric element is formed at an upstream side into which air of the cooling passageway is injected.
    Type: Application
    Filed: December 5, 2013
    Publication date: December 18, 2014
    Applicant: Hyundai Motor Company
    Inventors: Jin Woo Kwak, Kyung Hwa Song, Jeong Hun Seo
  • Publication number: 20140363719
    Abstract: apparatus for indirectly cooling and heating a battery module of an eco-friendly vehicle can maximize the heat-radiant performance of a battery, thus preventing volume expansion due to heating. The apparatus includes a thermally and electrically conductive interface plate embedded by overmolding a plurality of heat pipes and electrodes placed between the heat pipes closely between battery cells. A heat sink, that is a condensation part, is integrally connected to an upper end of the heat pipe on an air cooling channel of a battery housing. The apparatus can further improve the battery performance and prevent decreased output of a vehicle by heating the battery to an appropriate temperature under cold starting and low temperature environments.
    Type: Application
    Filed: November 7, 2013
    Publication date: December 11, 2014
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Jin Woo KWAK, Hyun Dal PARK, Kyong Hwa SONG, In Chang CHU, Hyuk KANG, Gyung Bok KIM