Patents by Inventor Seong Choi

Seong Choi 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: 20150228617
    Abstract: Provided is a semiconductor device and a method of manufacturing the same. In the method of manufacturing a semiconductor device, a substrate is prepared which is transparent and has a plurality of first electrodes thereon, and a semiconductor chip having a plurality of second electrodes thereon is disposed on the substrate to allow the first and second electrodes to respectively face each other. A polymer layer including solder particles and an oxidizing agent is formed between the substrate and the semiconductor chip, and the solder particles is locally fused between the first and second electrodes by using a laser beam and a fused solder layer is formed which electrically connects between the first and second electrodes.
    Type: Application
    Filed: July 22, 2014
    Publication date: August 13, 2015
    Inventors: Haksun LEE, KWANG-SEONG CHOI, Yong Sung EOM, Hyun-cheol BAE
  • Patent number: 9074518
    Abstract: A heat exchanger for a vehicle includes a heat radiating portion including first and second connecting lines formed alternately by stacking a plurality of plates, and receiving first and second operating fluids therethrough that heat-exchange with each other while circulating unmixed through the respective first and second connecting lines, a bifurcating portion connecting an inflow hole for flowing one of the first and second operating fluids with an exhaust hole for exhausting the one operating fluid to bypass the heat radiating portion according to a temperature of the one operating fluid, and a valve unit mounted at the inflow hole to selectively open one of the connecting lines by expansion and contraction of deformable material so as to flow the operating fluid selectively to the heat radiating portion or the bifurcating portion according to a temperature of the one operating fluid flowing into the inflow hole.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: July 7, 2015
    Assignees: HYUNDAI MOTOR COMPANY, KBAUTOTECH CO., LTD.
    Inventors: Jae Yeon Kim, Wan Je Cho, Sangyong Rhee, Hae-Seong Choi, Yong Jeong Kim
  • Patent number: 9034750
    Abstract: A method of fabricating a solder-on-pad structure is provided. The method may include providing a substrate with a pad, coating a solder bump maker including a first resin and a solder powder on the substrate, heating the solder bump maker to a temperature lower than a melting point of the solder powder to aggregate the solder powder on the pad, and removing the first resin.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: May 19, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwang-Seong Choi, Ho-eun Bae, Hyun-cheol Bae, Yong Sung Eom, Su Jeong Jeon
  • Patent number: 9031421
    Abstract: Provided is a method of measuring signal transmission time difference of a measuring device. The measuring device according to embodiments, by measuring a skew on two optical paths through signal delays of sufficient sizes for skew measurement on the optical paths, even a skew having a minute size can be measured within a measurable range.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: May 12, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joong-Seon Choe, Chun Ju Youn, Jong-Hoi Kim, Duk Jun Kim, Yong-Hwan Kwon, Kwang-Seong Choi, Eun Soo Nam
  • Patent number: 9024511
    Abstract: The present inventive concept discloses an impact-type piezoelectric micro power generator. The impact-type piezoelectric micro power generator may comprise a base having a cavity and at least one stop area adjacent to the cavity; a frame fastened to the base; a vibrating body comprising a plurality of first vibrating beams extended from the frame toward a top of the cavity, an impact beam connected to between first tips of the plurality of first vibrating beams and extended onto the stop area, and a second vibrating beam extended from the impact beam to between the plurality of first vibrating beams, the second vibrating beam having a second tip; and a piezoelectric device disposed on one of a top and a bottom of the second vibrating beam and the impact beam, the piezoelectric device generating electric power according to impacts of the vibrating body to the stop area and bending of the impact beam and the second vibrating beam.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: May 5, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chi Hoon Jun, Sang Choon Ko, Seok-Hwan Moon, Kwang-Seong Choi
  • Publication number: 20150104819
    Abstract: The present invention is directed to methods of diagnosing the presence or absence of a bacterial infection in a patient, in particular, a tuberculosis infection, by measuring exhaled, isotopically labeled nitrogen gas after administration of isotopic ally labeled isoniazid.
    Type: Application
    Filed: March 7, 2013
    Publication date: April 16, 2015
    Inventors: Graham Timmins, Seong Choi, Zachary Sharp, Viorel Atudorei, Mamoudou Maiga, William Bishai
  • Patent number: 9006037
    Abstract: Provided are methods of forming a bump and a semiconductor device with the same. The method may include providing a substrate with pads, forming a bump maker layer to cover the pads and include a resin and solder particles, thermally treating the bump maker layer to aggregate the solder particles onto the pads, removing the resin to expose the aggregated solder particles, forming a resin layer to cover the aggregated solder particles, and reflowing the aggregated solder particles to form bumps on the pads.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: April 14, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang-Seong Choi, Yong Sung Eom, Hyun-cheol Bae, Haksun Lee
  • Publication number: 20150057435
    Abstract: There are provided a recombinant silk protein derived from sea anemones, a method for producing the same, and a composition for preparing a silk fiber including same. The recombinant silk protein derived from sea anemones has sequence features similar to genetic information of a silk protein derived from spiders and silkworms. Also, a large amount of recombinant silk protein derived from sea anemones may be produced from a transformant and it has good physical properties such as strength and elasticity. Therefore, the recombinant silk protein derived from sea anemones can be usefully applied in various industrial fields in which natural silk protein can be applied, and it is expected to create new industrial fields based on its distinctive mechanical properties.
    Type: Application
    Filed: February 6, 2012
    Publication date: February 26, 2015
    Inventors: Hyung Joon Cha, Yun Jung Yang, Yoo Seong Choi
  • Publication number: 20150043175
    Abstract: Provided is a bonding structure of an electronic equipment including first electrodes extended in a first direction and arranged in a second direction on a stretchable display panel having stretchability, second electrodes extended in a first direction and arranged in a second direction on a substrate and facing the first electrodes, and solder bonding parts interposed between the first electrodes and the second electrodes, facing each other in the second direction, and constituting a plurality of rows in the first direction.
    Type: Application
    Filed: March 18, 2014
    Publication date: February 12, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: KWANG-SEONG CHOI, Hyun-cheol BAE, Haksun LEE, Yong Sung EOM
  • Patent number: 8939381
    Abstract: Disclosed is a fog removal system which can blow dry air onto roads, airport runways, harbors, or into coastal areas in which fog regularly occurs to reduce the relative humidity of atmospheric air down from about 100%, to thereby remove the fog. Particularly, in the fog removal system, a heating unit and a blowing unit may be connected to areas such as roads, airport runways, harbors, or coastal areas in which fog regularly occurs, to blow dry air generated in the heating unit over a long range using a strong blowing pressure from the blowing unit.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: January 27, 2015
    Assignee: Korea Maintenance Co., Ltd.
    Inventors: Jun Seong Choi, Jong Seob Song, Jun Cheol Choi, Sung Min Kang
  • Publication number: 20140367375
    Abstract: Provided is a method of fabricating a solder particle including adding a first magnetic bar in a first container including a mixture containing first solder particles formed through a mixing process, disposing the first container in a second container including a second magnetic bar, operating the first magnetic bar and the second magnetic bar, and applying heat to the first container to melt the first solder particles.
    Type: Application
    Filed: November 25, 2013
    Publication date: December 18, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyun-cheol BAE, Yong Sung EOM, KWANG-SEONG CHOI, Haksun LEE
  • Publication number: 20140318615
    Abstract: A conductive composition for a front electrode busbar of a silicon solar cell includes a metallic powder, a solder powder, a curable resin, a reducing agent, and a curing agent. A method of manufacturing a front electrode busbar of a silicon solar cell includes applying the composition to the front surface of the silicon solar cell wherein its front electrode finger line is formed. A substrate includes a front electrode busbar of a silicon solar cell, formed with a conductive composition. A silicon solar cell includes one or more electrodes containing a conductive composition including a conductive powder, a curable resin, a reducing agent, and a curing agent. A method of manufacturing the silicon solar cell includes forming a first electrode array with a first conductive composition, forming a second electrode, and forming a third electrode with a third conductive composition.
    Type: Application
    Filed: July 7, 2014
    Publication date: October 30, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soo Young OH, Yong Sung EOM, Jong Tae MOON, Kwang Seong CHOI
  • Publication number: 20140308603
    Abstract: Titanium suboxide (TixO2x-1) nanoparticles useful as a support for a catalyst electrode of a fuel cell, and a method for synthesizing the titanium suboxide (TixO2x-1) nanoparticles by using TiO2, a Co catalyst and hydrogen gas at a low temperature ranging from 600 to 900° C. are described Since the titanium suboxide nanoparticles show high corrosion resistance to acid and durability and have excellent thermal and electric conductivities, a catalyst electrode manufactured by using the same as a support exhibits improved catalytic activity and oxidation reduction (redox) properties.
    Type: Application
    Filed: October 23, 2013
    Publication date: October 16, 2014
    Applicants: Soongsil University Research Consortium techno- PARK, HYUNDAI MOTOR COMPANY
    Inventors: Bum Wook ROH, Jin Seong CHOI, Mi Hye YI, In Chul HWANG, Young Woo LEE, Sang Beom HAN, Kyung Won PARK
  • Patent number: 8850192
    Abstract: An apparatus and method for determining contents information corresponding to a Rights Object (RO) by transmitting information on contents together when the RO is moved from a mobile device to a memory card or a smart card or when the RO is moved from the memory card or the smart card to the mobile device are provided. The apparatus includes a meta information manager for determining information on contents corresponding to the RO when the RO is moved, and for generating meta information containing the determined contents information, and a controller for providing control to transmit the RO and the meta information generated by the meta information manager to a portable storage device. Accordingly, the conventional problem can be solved in which information on contents cannot be determined by using a Contents IDentifier (CID) if the RO does not exist together with the contents.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong Choi, Jung-Hun Park, Yun-Sang Oh
  • Publication number: 20140287556
    Abstract: Provided are methods of forming a bump and a semiconductor device with the same. The method may include providing a substrate with pads, forming a bump maker layer to cover the pads and include a resin and solder particles, thermally treating the bump maker layer to aggregate the solder particles onto the pads, removing the resin to expose the aggregated solder particles, forming a resin layer to cover the aggregated solder particles, and reflowing the aggregated solder particles to form bumps on the pads.
    Type: Application
    Filed: May 29, 2013
    Publication date: September 25, 2014
    Inventors: Kwang-Seong CHOI, Yong Sung EOM, Hyun-cheol BAE, Haksun LEE
  • Patent number: 8830208
    Abstract: A display module including a touch panel configured to be touched so as to input information, a liquid crystal display panel disposed below the touch panel and configured to display the information to be touched on the touch panel, a plurality of emitting light units configured to emit infrared light formed in at least two sides of the touch panel, a plurality of image sensors disposed below the liquid crystal panel and configured to detect infrared rays redirected through the liquid crystal panel towards the image sensors based on a touching of the touch panel, and a controller configured to determine a portion of the touch panel that is touched based on signals received from the plurality of image sensors.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: September 9, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Min Ho Sohn, Jong Seong Choi, Hyung Uk Jang, Sang Rae Lee, Sang Hyuck Bae, Byung Chun Yu
  • Patent number: 8794502
    Abstract: Disclosed are a method of forming a solder on pad on a fine pitch PCB and a method of flip chip bonding a semiconductor device using the same. The method of forming a solder on pad on a fine pitch PCB includes: applying a solder bump maker (SBM) paste with a predetermined thickness to an entire surface of a PCB including a metal pad and a solder mask; heating the SBM paste at a temperature higher than a melting point of solder contained in the SBM paste and then cooling the SBM paste to form a solder on pad; and washing a residual polymer resin and residual solder particles of the SBM paste by using a solvent.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: August 5, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Sung Eom, Kwang-Seong Choi, Jung Hyun Noh
  • Publication number: 20140205280
    Abstract: Provided is a method of measuring signal transmission time difference of a measuring device. The measuring device according to embodiments, by measuring a skew on two optical paths through signal delays of sufficient sizes for skew measurement on the optical paths, even a skew having a minute size can be measured within a measureable range.
    Type: Application
    Filed: July 3, 2013
    Publication date: July 24, 2014
    Inventors: Joong-Seon CHOE, Chun Ju YOUN, Jong-Hoi KIM, Duk Jun KIM, Yong-Hwan KWON, Kwang-Seong CHOI, Eun Soo NAM
  • Patent number: 8765682
    Abstract: The present invention relates to recombinant mussel adhesive protein wherein a DOPA residue is in vivo incorporated instead of a tyrosine residue, and a method for producing the same. More specifically, the present invention relates to recombinant mussel adhesive protein wherein a DOPA residue is incorporated instead of a tyrosine residue, and a method for producing the same, and a transformant for producing the recombinant mussel adhesive protein.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: July 1, 2014
    Assignee: Postech Academy-Industry Foundation
    Inventors: Hyung Joon Cha, Byeongseon Yang, Yoo Seong Choi, Hyungdon Yun
  • Publication number: 20140159547
    Abstract: The present inventive concept discloses an impact-type piezoelectric micro power generator. The impact-type piezoelectric micro power generator may comprise a base having a cavity and at least one stop area adjacent to the cavity; a frame fastened to the base; a vibrating body comprising a plurality of first vibrating beams extended from the frame toward a top of the cavity, an impact beam connected to between first tips of the plurality of first vibrating beams and extended onto the stop area, and a second vibrating beam extended from the impact beam to between the plurality of first vibrating beams, the second vibrating beam having a second tip; and a piezoelectric device disposed on one of a top and a bottom of the second vibrating beam and the impact beam, the piezoelectric device generating electric power according to impacts of the vibrating body to the stop area and bending of the impact beam and the second vibrating beam.
    Type: Application
    Filed: April 17, 2013
    Publication date: June 12, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Chi Hoon JUN, Sang Choon Ko, Seok-Hwan Moon, Kwang-Seong Choi