Patents by Inventor Jeong-Na Heo

Jeong-Na Heo 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: 9947809
    Abstract: A conductive paste includes a conductive powder, a metallic glass having a glass transition temperature of less than or equal to about 600° C. and a supercooled liquid region of greater than or equal to 0 K, and an organic vehicle, and an electronic device and a solar cell include an electrode formed using the conductive paste.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: April 17, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se Yun Kim, Suk Jun Kim, Eun Sung Lee, Sang Soo Jee, Jeong Na Heo
  • Publication number: 20180019350
    Abstract: A conductive paste includes a conductive powder, a metallic glass having a glass transition temperature of less than or equal to about 600° C. and a supercooled liquid region of greater than or equal to 0 K, and an organic vehicle, and an electronic device and a solar cell include an electrode formed using the conductive paste.
    Type: Application
    Filed: November 9, 2012
    Publication date: January 18, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se Yun KIM, Suk Jun KIM, Eun Sung LEE, Sang Soo JEE, Jeong Na HEO
  • Patent number: 9508987
    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: January 15, 2014
    Date of Patent: November 29, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-suk Kang, Jeong-hee Lee, Yoon-chul Son, Jeong-na Heo
  • Patent number: 9178212
    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: November 12, 2013
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-Hee Lee, Jeong-Na Heo, Ho-Suk Kang, Sang-Kook Mah, In-Taek Han
  • Patent number: 9039940
    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: Grant
    Filed: March 9, 2012
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk Jun Kim, Eun Sung Lee, Se Yun Kim, Sang Soo Jee, Jeong Na Heo
  • Publication number: 20140127558
    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: January 15, 2014
    Publication date: May 8, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ho-suk KANG, Jeong-hee LEE, Yoon-chul SON, Jeong-na HEO
  • Patent number: 8697286
    Abstract: An anode active material for lithium batteries, an anode including the anode active material, a method of manufacturing the anode, and a lithium battery including the anode. The anode active material includes secondary particles formed of agglomerated primary nanoparticles. The primary nanoparticles include a non-carbonaceous material bound with hollow carbon nanofibers. The anode includes the anode active material and a polymeric binder having an electron donor group.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: April 15, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-hee Lee, Ho-suk Kang, Jeong-na Heo
  • Patent number: 8679626
    Abstract: Provided are a carbon fiber including a carbon fiber core coated with a metal oxide film, and a light-emitting device including the carbon fiber. A method of manufacturing the carbon fiber is disclosed.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: March 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-na Heo, Yong-chul Kim, Ha-jin Kim
  • Publication number: 20140070147
    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: November 12, 2013
    Publication date: March 13, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-Hee Lee, Jeong-Na Heo, Ho-Suk Kang, Sang-Kook Mah, In-Taek Han
  • 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: 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
  • 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
  • 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