Patents by Inventor Jeong Na

Jeong Na 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).

  • Patent number: 8663836
    Abstract: A composite anode active material, a method of preparing the composite anode active material, and a lithium battery including the lithium battery. According to the method of preparing the composite anode active material, carbon nanotubes are formed on a Si particle without a separate operation of applying a catalyst. Furthermore, high adherence is provided between the Si particle and carbon nanotubes, and therefore the composite anode active material is used as an anode material of the lithium battery.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: March 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-suk Kang, Jeong-hee Lee, Yoon-chul Son, Jeong-na Heo
  • Patent number: 8608983
    Abstract: A composite anode active material including metal core particles and carbon nanotubes that are covalently bound to the metal core particles, an anode including the composite anode active material, a lithium battery employing the anode, and a method of preparing the composite anode active material.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: December 17, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-hee Lee, Jeong-na Heo, Ho-suk Kang, Sang-kook Mah, In-taek Han
  • Patent number: 8593049
    Abstract: A field electron emitter including a metal electrode; and a plurality of carbon nanotubes, wherein a portion of the plurality of carbon nanotubes protrude from a surface of the metal electrode and a portion of the plurality of carbon nanotubes are in the metal electrode. Also disclosed is a field electron emission device including the field electron emitter and a method of manufacturing the field electron emitter.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: November 26, 2013
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Yoon-chul Son, Yong-chul Kim, Jeong-na Heo, Woo-sung Cho, Byeong-kwon Ju
  • Publication number: 20130004716
    Abstract: A paste may include a functional water-soluble material, a surfactant surrounding the functional water-soluble material to form a reverse micelle structure, a binder, and a liposoluble organic solvent, and an electronic device including at least one of a pattern and an electrode may be formed using the paste.
    Type: Application
    Filed: May 22, 2012
    Publication date: January 3, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Haeng Deog Koh, Eun Sung Lee, Sang Soo Jee, Jeong Na Heo, Suk Jun Kim, Se Yun Kim, Yun-Hyuk Choi
  • Patent number: 8314539
    Abstract: A field electron emitter includes a thin film layer including a carbon nanotube (“CNT”) disposed on a substrate, wherein the thin film layer includes nucleic acid.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: November 20, 2012
    Assignees: Samsung Electronics Co., Ltd., Korea University Industrial & Academic Collaboration Foundation
    Inventors: Yoon-chul Son, Yong-chul Kim, Jeong-na Heo, Byeong-kwon Ju
  • Publication number: 20120257723
    Abstract: An electron beam generator includes a cathode electrode; and a first insulating layer, a gate, a second insulating layer and a focusing gate sequentially on the cathode electrode. The cathode electrode, the first insulating layer, the gate, the second insulating layer and the focusing gate are individually separable from each other and combinable with each other.
    Type: Application
    Filed: April 4, 2012
    Publication date: October 11, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-hwan KIM, Yong-chul KIM, Jeong-na HEO, Joon-won BAE, Sung-hoon PARK
  • Patent number: 8283275
    Abstract: A carbon nanotube, a method of preparing the same, a supported catalyst including the same, and a fuel cell using the supported catalyst are provided. The method of preparing the carbon nanotube includes: depositing a metal catalyst in single wall nanotubes and growing multi wall nanotubes over the single wall nanotubes using the metal catalyst. The carbon nanotubes of the present invention have satisfactory specific surface area and low surface resistance. Thus, the carbon nanotubes perform remarkably better than a conventional catalyst carrier. Accordingly, the carbon nanotubes, when used as a catalyst carrier of an electrode for a fuel cell, can improve the electrical conductivity of the fuel cell. In addition, a fuel cell employing the electrode has excellent efficiency and overall performance.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: October 9, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jeong-na Heo, Jeong-hee Lee, Tae-won Jeong, Shang-hyeun Park
  • Publication number: 20120255069
    Abstract: The present invention relates to a DNA fragment for improving translation efficiency, and a recombinant vector containing the same, and more specifically, to a DNA fragment which comprises any one nucleotide sequence selected from the group consisting of SEQ ID NOs: 1-6, SEQ ID NOs: 8-10, SEQ ID NOs: 13 and 14 and SEQ ID NO: 16, and improves the translation efficiency of a heterologous protein placed in the downstream, and a recombinant vector containing the DNA fragment. The DNA fragment for improving translation efficiency according to the present invention and a recombinant vector containing the same can improve the translation of a heterologous protein in a transgenic plant.
    Type: Application
    Filed: August 25, 2010
    Publication date: October 4, 2012
    Applicant: HELIX, CO., LIMITED
    Inventors: Yun Jeong Na, Eun Hyun Jeon, Eun Hye Kwon, Yong Woo Kim, Eun Ju Sohn, In Hwan Hwang
  • Publication number: 20120240994
    Abstract: A conductive paste may include a conductive component and an organic vehicle. The conductive component may include an amorphous metal. The amorphous metal may have a lower resistivity after a crystallization process than before the crystallization process, and at least one of a weight gain of about 4 mg/cm2 or less and a thickness increase of about 30 ?m or less after being heated in a process furnace at a firing temperature.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 27, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Suk Jun Kim, Eun Sung Lee, Se Yun Kim, Sang Soo Jee, Jeong Na Heo
  • Publication number: 20120219580
    Abstract: The present invention relates to a method for producing transgenic plants, which involves producing hemagglutinin proteins of the H5N1 virus using a plant transformation recombinant vector, wherein said vector can express hemagglutinin proteins of the H5N1 virus, the highly pathogenic avian influenza virus, and transport proteins expressed in plants to the endoplasmic reticulum and enable the retention of the proteins in the endoplasmic reticulum to enable glycosylation required for antigen activity. The present invention also relates to a method for the mass production of hemagglutinin proteins of the antigenic H5N1 virus from transgenic plants or a vaccine composition for the avian influenza virus comprising the transgenic plants or the hemagglutinin proteins produced from the plants. The transgenic plants can be used as edible vaccines, antigenic hemagglutinin proteins produced can be used as protein vaccines for the H5N1 avian influenza virus, or as diagnostic reagents for avian influenza virus infection.
    Type: Application
    Filed: October 6, 2010
    Publication date: August 30, 2012
    Applicant: Helix, Co., Limited
    Inventors: In Hwan Hwang, Eun Ju Sohn, Eun Hye Kwon, Yun Jeong Na, Eun Hyun Jeon, Se Jin Im, Ki Seok Park, Young Chul Sung
  • Patent number: 8173205
    Abstract: Disclosed is a method for fabricating ZnO thin films using a ZnO precursor solution containing zinc hydroxide nitrate (Zn5(OH)8(NO3)2.2H2O) as a zinc supplier. The ZnO thin film is fabricated by using a simple and economical coating method at a low process temperature.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: May 8, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong Na Heo, Jeong Hee Lee
  • Publication number: 20110304795
    Abstract: A backlight assembly includes: a light guide plate (“LGP”); and a light source module which emits white light to a side surface of the LGP, where the light source module includes: a plurality of point light sources which emits the white light; a printed circuit board (“PCB”) including a mounting portion, on which the plurality of point light sources are disposed; and a light source housing portion including a base portion which supports the PCB, an extension portion which extends from a surface of the base portion in a direction perpendicular to the surface of the base portion and is disposed along the mounting portion, and a main stopper disposed adjacent to an end of the PCB, where the main stopper prevents the movement of the PCB within the light source module.
    Type: Application
    Filed: June 9, 2011
    Publication date: December 15, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Duk LEE, So-Jeong NA
  • Patent number: 8052855
    Abstract: A carbon nanotube (“CNT”) gas sensor includes a substrate, an insulating layer formed on the substrate, electrodes formed on the insulating layer, and CNT barriers that protrude higher than the electrodes in spaces between the electrodes to form gas detecting spaces. A method of manufacturing the gas sensor includes forming an insulating layer on a substrate, forming an electrode pattern on the insulating layer, coating CNT paste having a thickness greater than a thickness of electrodes in the electrode pattern on the electrodes and the insulating layer, and patterning and firing the carbon nanotube paste, including using a photolithography method, to retain only portions of the CNT paste coated on spaces between the electrodes.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: November 8, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-im Han, Soo-hyung Choi, Jeong-hee Lee, Soo-suk Lee, Jeong-na Heo
  • Patent number: 8048395
    Abstract: Provided are a method of coating a catalyst metal layer by using a nucleic acid, and a method of forming nanocarbon using the method of coating a catalyst metal layer. The method of coating a catalyst metal layer includes preparing an aqueous solution; the aqueous solution including ions of a transition metal and a nucleic acid; disposing a carbon matrix including carbon, in the aqueous solution, and disposing a catalyst metal layer including a transition metal on a surface of the carbon matrix.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: November 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-na Heo, Ho-suk Kang, Yong-chul Kim, Yoon-chul Son
  • Patent number: 8029757
    Abstract: Carbon nanotubes and metal particle-containing carbon nanotubes are provided. The carbon nanotubes have increased surface area. A method of cutting carbon nanotubes is also provided. According to the method, the dispersion properties of the carbon nanotubes are improved by simplifying the structural changes and/or surface modifications of the carbon nanotubes, thereby enabling insertion of an active substance into the inner walls of the carbon nanotubes and increasing the insertion efficiency.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: October 4, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jeong-hee Lee, Seok-gwang Doo, Dong-min Im, Shang-hyeun Park, Tae-won Jeong, Jeong-na Heo
  • Patent number: 7973742
    Abstract: A method for driving a field emission device (FED) applies an alternating (AC) voltage as a driving voltage for emitting electrons in a field emission device comprising cathode electrode including an emitter and an anode electrode facing the cathode electrode. A method for aging an FED uses a constant voltage so that electrons cannot be emitted from the electron emission source, and an AC voltage so that electrons can be periodically emitted from the emitter when the FED is aged.
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: July 5, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan-Wook Baik, Jeong-Hee Lee, Jeong-Na Heo, Deuk-Seok Chung, Tae-Won Jeong, Kyoung-Won Min
  • Publication number: 20100261050
    Abstract: A composite anode active material, a method of preparing the composite anode active material, and a lithium battery including the lithium battery. According to the method of preparing the composite anode active material, carbon nanotubes are formed on a Si particle without a separate operation of applying a catalyst. Furthermore, high adherence is provided between the Si particle and carbon nanotubes, and therefore the composite anode active material is used as an anode material of the lithium battery.
    Type: Application
    Filed: March 17, 2010
    Publication date: October 14, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ho-suk KANG, Jeong-hee Lee, Yoon-chul Son, Jeong-na Heo
  • Publication number: 20100255402
    Abstract: A carbon nanotube, a method of preparing the same, a supported catalyst including the same, and a fuel cell using the supported catalyst are provided. The method of preparing the carbon nanotube includes: depositing a metal catalyst in single wall nanotubes and growing multi wall nanotubes over the single wall nanotubes using the metal catalyst. The carbon nanotubes of the present invention have satisfactory specific surface area and low surface resistance. Thus, the carbon nanotubes perform remarkably better than a conventional catalyst carrier. Accordingly, the carbon nanotubes, when used as a catalyst carrier of an electrode for a fuel cell, can improve the electrical conductivity of the fuel cell. In addition, a fuel cell employing the electrode has excellent efficiency and overall performance.
    Type: Application
    Filed: January 11, 2007
    Publication date: October 7, 2010
    Inventors: Jeong-na Heo, Jeong-hee Lee, Tae-won Jeong, Shang-hyeun Park
  • Publication number: 20100233066
    Abstract: Provided are a method of coating a catalyst metal layer by using a nucleic acid, and a method of forming nanocarbon using the method of coating a catalyst metal layer. The method of coating a catalyst metal layer includes preparing an aqueous solution; the aqueous solution including ions of a transition metal and a nucleic acid; disposing a carbon matrix including carbon, in the aqueous solution, and disposing a catalyst metal layer including a transition metal on a surface of the carbon matrix.
    Type: Application
    Filed: August 12, 2009
    Publication date: September 16, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-na HEO, Ho-suk KANG, Yong-chul KIM, Yoon-chul SON
  • Publication number: 20100193731
    Abstract: A composite anode active material including metal core particles and carbon nanotubes that are covalently bound to the metal core particles, an anode including the composite anode active material, a lithium battery employing the anode, and a method of preparing the composite anode active material.
    Type: Application
    Filed: January 29, 2010
    Publication date: August 5, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeong-hee LEE, Jeong-na Heo, Ho-suk Kang, Sang-kook Mah, In-taek Han