Patents by Inventor Kyu-hyoung LEE

Kyu-hyoung LEE 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: 20130298729
    Abstract: A method of preparing thermoelectric material particles, the method comprising: disposing a first electrode and a second electrode in a dielectric liquid medium, wherein the first and second electrodes each comprise a thermoelectric material; applying an electrical potential between the first and second electrodes to cause a spark between the first and second electrodes to provide a vaporized thermoelectric material at a sparking point of at least one of the first and second electrodes; and cooling the vaporized thermoelectric material with the dielectric liquid medium to prepare the thermoelectric material particles.
    Type: Application
    Filed: March 4, 2013
    Publication date: November 14, 2013
    Applicants: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-mock LEE, Kyu-hyoung LEE, Sung-ho JIN, Ami BERKOWITZ
  • Publication number: 20130284987
    Abstract: A nanocomposite including: a thermoelectric material nanoplatelet; and a metal nanoparticle disposed on the thermoelectric material nanoplatelet.
    Type: Application
    Filed: October 31, 2012
    Publication date: October 31, 2013
    Applicants: INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIVERSITY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-Hyoung LEE, Jong-Wook ROH, Dae-Jin YANG, Un-Lyong JEONG
  • Publication number: 20130284967
    Abstract: A thermoelectric material including: a thermoelectric matrix including grains with a composition of Formula 1: (BixSb1-x)a(TeySe1-y)b??Formula 1 wherein 1.8?a?2.2, 2.8?b?3.2, 0?x?1, and 0?y?1, and wherein a plurality of dislocations is present along a grain boundary between adjacent grains of the composition of Formula 1.
    Type: Application
    Filed: April 26, 2013
    Publication date: October 31, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-il KIM, Kyu-hyoung LEE, Sung-woo HWANG, Kyung-han AHN
  • Publication number: 20130105725
    Abstract: A thermoelectric material including a composition according to Chemical Formula 1: (Bia-xSb1-a-yMb)2-i(TecSe1-c)3-j??Chemical Formula 1 wherein M is an element of Group 13, 0?a?1, 0<b?0.004, 0?x?b, 0?y?b, x+y=b, 0?c?1, ?0.2?i?0.2, and ?0.2?j?0.2.
    Type: Application
    Filed: June 7, 2012
    Publication date: May 2, 2013
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Kyu-hyoung LEE, Sung-woo HWANG, Sang-il KIM, Sang-mock LEE, Kyung-han AHN
  • Publication number: 20130032190
    Abstract: A thermoelectric material including a thermoelectric semiconductor; and a nanosheet disposed in the thermoelectric semiconductor, the nanosheet having a layered structure and a thickness from about 0.1 to about 10 nanometers. Also a thermoelectric element and thermoelectric module including the thermoelectric material.
    Type: Application
    Filed: July 31, 2012
    Publication date: February 7, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-woo HWANG, Kyu-hyoung LEE, Sang-mock LEE
  • Publication number: 20120186621
    Abstract: A thermoelectric material including a thermoelectric matrix; and nano-inclusions in the thermoelectric matrix, the nano-inclusions having an average particle diameter of about 10 nanometers to about 30 nanometers.
    Type: Application
    Filed: January 23, 2012
    Publication date: July 26, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-il KIM, Kyu-hyoung LEE
  • Publication number: 20120152294
    Abstract: A thermoelectric material includes powders having a surface coated with an inorganic material. The thermoelectric material includes a thermoelectric semiconductor powder and a coating layer on an outer surface of the thermoelectric semiconductor powders.
    Type: Application
    Filed: December 16, 2011
    Publication date: June 21, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-il KIM, Kyu-hyoung LEE, Sang-mock LEE
  • Publication number: 20120114961
    Abstract: A bulk nanocomposite thermoelectric material including: a plurality of grains of a thermoelectric material; and a metal nanolayer on a boundary of the plurality of grains, wherein the metal nanolayer is crystalline, and a glass transition temperature and a crystallization temperature of the nanometal are lower than a melting point of the thermoelectric material.
    Type: Application
    Filed: September 23, 2011
    Publication date: May 10, 2012
    Applicants: Chungju National University Industry-Academic Cooperation Foundation, SAMSUNG ELECTRONICS CO., LTD.,
    Inventors: Kyu-hyoung LEE, Hyun-sik KIM, Sang-mock LEE, Eun-sung LEE, Sang-soo JEE, Il-ho KIM
  • Publication number: 20120056234
    Abstract: Disclosed are a heat dissipation material comprising a metallic glass and an organic vehicle and a light emitting diode package including at least one of a junction part, wherein the junction part includes a heat dissipation material including a metallic glass.
    Type: Application
    Filed: August 19, 2011
    Publication date: March 8, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Sung Lee, Sang Soo Jee, Kun Mo Chu, Se Yun Kim, Kyu Hyoung Lee, Sang Mock Lee
  • Publication number: 20120024333
    Abstract: A thermoelectric material has a microstructure deformed by cryogenic impact. When the cryogenic impact is applied to the thermoelectric material, defects are induced in the thermoelectric material, and such defects increase phonon scattering, which results in enhanced figure of merit.
    Type: Application
    Filed: July 29, 2011
    Publication date: February 2, 2012
    Applicants: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-mock LEE, Kyu-hyoung LEE, Sung-ho JIN
  • Publication number: 20110247671
    Abstract: A thermoelectric material including: a bismuth-tellurium (Bi—Te)-based thermoelectric material matrix; and a nano-metal component distributed in the Bi—Te-based thermoelectric material matrix, wherein a Lotgering degree of orientation in a c-axis direction is about 0.9 to about 1.
    Type: Application
    Filed: November 24, 2010
    Publication date: October 13, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-sik KIM, Kyu-hyoung LEE, Sang-mock LEE, Eun-sung LEE, Xiangshu LI
  • Publication number: 20110139208
    Abstract: A nanocomposite thermoelectric material, a thermoelectric element including the nanocomposite thermoelectric material, and a thermoelectric module including the thermoelectric element are disclosed herein. The nanocomposite thermoelectric material includes highly electrically conductive nano metallic particles that are uniformly dispersed in a thermoelectric material matrix. Thus, the nanocomposite thermoelectric material has high thermoelectric performance, and thus, may be used in a wide range of thermoelectric elements and thermoelectric modules.
    Type: Application
    Filed: July 9, 2010
    Publication date: June 16, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-hyoung LEE, Hyun-sik KIM, Sang-mock LEE, Eun-sung LEE, Sang-soo JEE
  • Publication number: 20110100409
    Abstract: A thermoelectric nano-composite including a thermoelectric matrix; a nano-metal particle; and a nano-thermoelectric material represented by Formula 1: AxMyBz??Formula 1 wherein A includes at least one element of indium, bismuth, or antimony, B includes at least one element of tellurium or selenium (Se), M includes at least one element of gallium, thallium, lead, rubidium, sodium, or lithium, x is greater than 0 and less than or equal to about 4, y is greater than 0 and less than or equal to about 4, and z is greater than 0 and less than or equal to about 3.
    Type: Application
    Filed: November 4, 2010
    Publication date: May 5, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-sik KIM, Kyu-hyoung LEE, Sang-mock LEE, Eun-sung LEE, Sang-soo JEE, Xiangshu LI
  • Publication number: 20110036385
    Abstract: A thermoelectric composite including a thermoelectric material matrix, a plurality of ceramic nanoparticles, and a bipolar dispersant, wherein the bipolar dispersant bonds the ceramic nanoparticles to the thermoelectric material matrix.
    Type: Application
    Filed: August 10, 2010
    Publication date: February 17, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-hyoung LEE, Eun-sung LEE, Sang-mock LEE, Hyun-sik KIM
  • Publication number: 20100154854
    Abstract: A thermoelectric module includes; an upper substrate on which a plurality of upper electrodes having a plurality of first concave grooves formed therein are arranged, a lower substrate, on which a plurality of lower electrodes having a plurality of second concave grooves formed therein are arranged, and a least one spherical p-type thermoelectric element and at least one spherical n-type thermoelectric element interposed between the upper substrate and the lower substrate, and electrically and alternately in contact with the upper substrate and the lower substrate, wherein the at least one spherical p-type thermoelectric element and the at least one spherical n-type thermoelectric element are connected to the plurality of first concave grooves and the plurality of second concave grooves respectively disposed in the upper electrodes and the lower electrodes.
    Type: Application
    Filed: November 13, 2009
    Publication date: June 24, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-hyoung LEE, Sang-mock LEE, Chang-won HWANG
  • Publication number: 20100108115
    Abstract: A bulk thermoelectric material having a structure in which migration of carriers is not inhibited but phonons are scattered is described. The bulk thermoelectric material includes: a bulk crystalline thermoelectric material matrix; and nanoparticles coated with a conductive material within the thermoelectric material matrix.
    Type: Application
    Filed: October 23, 2009
    Publication date: May 6, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-hyoung LEE, Sang-mock LEE, Eun-sung LEE, Il-ho KIM
  • Publication number: 20100059723
    Abstract: A bulk thermoelectric material includes a matrix, the matrix including a crystalline thermoelectric material; and metal oxide particles disposed in the matrix at a grain boundary or within a crystal structure of the crystalline thermoelectric material.
    Type: Application
    Filed: September 4, 2009
    Publication date: March 11, 2010
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Chungju National University Industry-Academic Cooperation Foundation
    Inventors: Sang-mock LEE, Eun-sung LEE, Kyu-hyoung LEE, Il-ho KIM