Patents by Inventor Young-jun Park

Young-jun Park 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).

  • CUTTING INSERT
    Publication number: 20150174664
    Abstract: The purpose of the present invention is to provide a cutting insert which can minimize friction with a chip and maximize heat-radiating performance. To this end, the present invention provides a cutting insert comprising: an upper surface; a lower surface; a plurality of lateral surfaces for connecting the upper surface with the lower surface; a main cutting edge formed between the lateral surface and the upper surface; and a main cutting edge land and a main cutting edge incline formed in series between the main cutting edge and the upper surface, wherein the main cutting edge incline has a first wavy shape in which two or more incline convex parts and two or more incline concave parts are repeated from the main cutting edge land toward the upper surface.
    Type: Application
    Filed: April 23, 2013
    Publication date: June 25, 2015
    Applicant: KORLOY INC.
    Inventors: Ki-Chan Nam, Wook-Jung Sung, Sang-Yong Lee, Young-Jun Park
  • SOLAR CELL HAVING ORGANIC NANOWIRES
    Publication number: 20150155508
    Abstract: Example embodiments relate to a solar cell including organic nanowires. The solar cell may include a photoelectric conversion layer formed of a p-type material including an organic material and an n-type material including organic nanowires.
    Type: Application
    Filed: February 11, 2015
    Publication date: June 4, 2015
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Young-jun PARK, Zhenan BAO, Joon-hak OH
  • CUTTING INSERT
    Publication number: 20150139745
    Abstract: The present invention relates to a cutting insert. The cutting insert, according to one embodiment of the present invention, comprises: a top surface; a bottom surface; side surfaces which connect the top surface and the bottom surface to each other; a hole which penetrates the top surface and the bottom surface; and cutting edges which are defined by the top surface and the side surfaces, wherein a main cutting edge side surface among the side surfaces is provided with a first relief surface, a transition surface extending from the first relief surface, and a second relief surface extending from the transition surface, the first relief surface is formed such that the relief angle or the relief surface width varies along the cutting edge, and the transition surface is provided with a plurality of ridges in order to reinforce the rigidity of the cutting edge.
    Type: Application
    Filed: April 22, 2013
    Publication date: May 21, 2015
    Applicant: KORLOY INC.
    Inventors: Sang-Yong Lee, Ki-Chan Nam, Wook-Jung Sung, Young-Jun Park, Dong-Bok Park
  • ENERGY HARVESTER USING MASS AND MOBILE DEVICE INCLUDING THE ENERGY HARVESTER
    Publication number: 20150061464
    Abstract: Provided are an energy harvester using a mass, and a mobile device including the energy harvester. The energy harvester includes: a mass; first and second substrates spaced apart from each other, wherein one of the first and second substrates is connected to the mass; first and second electrodes provided on the first and second substrates; and an energy generator provided between the first and second electrodes, wherein the energy generator generates electric energy upon a relative movement between the first substrate and the second substrate caused by a movement of the mass.
    Type: Application
    Filed: November 13, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jun PARK, Jin S. HEO
  • Anti-reflection structure using surface plasmon and high-K dielectric material and method of manufacturing the anti-reflection structure
    Patent number: 8953243
    Abstract: An anti-reflection structure using surface plasmons and a high-k dielectric material, and a method of manufacturing the anti-reflection structure. The anti-reflection structure may include a high-k dielectric layer formed on a substrate, the high-k dielectric layer configured to allow incident light to pass therethrough, and a nano-material layer on the high-k dielectric layer. The high-k dielectric layer may include at least one of zirconium oxide (ZrO2), hafnium oxide (HfO2), titanium oxide (TiO2), tantalum oxide (Ta2O5), lanthanum oxide (La2O3), yttrium oxide (Y2O3) and aluminum oxide (Al2O3).
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: February 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Jun Park, Jong-min Kim, Huamin Li, Won-Jong Yoo
  • ENERGY HARVESTER USING MASS AND MOBILE DEVICE INCLUDING THE ENERGY HARVESTER
    Publication number: 20150001993
    Abstract: Provided are an energy harvester using a mass, and a mobile device including the energy harvester. The mobile device includes an energy harvester connected to a mobile device body to generate electric energy. The energy harvester includes an energy generator configured to generate electric energy by using a mechanical force applied by a movement of the mobile device body.
    Type: Application
    Filed: November 14, 2013
    Publication date: January 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jun PARK, Jin S. HEO
  • Communication apparatus and method
    Patent number: 8897336
    Abstract: A communication apparatus and method for operating a communication apparatus are provided. The communication apparatus is configured to determine whether a sub-frequency band causing interference is present among sub-frequency bands included in a reception frequency band group, and to send to another communication apparatus an interference avoidance request signal which requests the other communication apparatus to transmit signals by use of remaining sub-frequency bands except the sub-frequency band causing interference, leading to simpler and more efficient interference avoidance.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: November 25, 2014
    Assignee: Pantech Co., Ltd.
    Inventor: Young-Jun Park
  • Light position controlling apparatus and method of manufacturing the same
    Patent number: 8885238
    Abstract: A light position controlling apparatus and a method of manufacturing the same. The light position controlling apparatus includes a substrate; first and second electrodes that are arranged on the substrate and configured to generate an electric field; and a piezoelectric nano wire configured to operate as optical waveguide. The piezoelectric nano wire includes a first portion disposed on the substrate, and a second portion that extends from the first portion and bends according to the electric field generated by the first and second electrodes to change a travel direction of light transmitted by the piezoelectric nano wire.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: November 11, 2014
    Assignees: Samsung Electronics Co., Ltd., Georgia Tech Research Corporation
    Inventors: Seung-nam Cha, Young-jun Park, Zhong Lin Wang, Min-baek Lee
  • SINGLE-WALLED CARBON NANOTUBE-BASED PLANAR PHOTODECTOR
    Publication number: 20140319461
    Abstract: A single-walled carbon nanotube-based planar photodetector includes a substrate; a first electrode and a second electrode disposed on the substrate and spaced apart from each other; a plurality of single-walled carbon nanotubes, each of the plurality of single-walled carbon nanotubes contacting the first electrode and the second electrode; and an adsorbent attached to a surface of at least one of the plurality of single-walled carbon nanotubes, wherein the adsorbent is capable of doping the at least one of the plurality of single-walled carbon nanotubes by photo-excitation.
    Type: Application
    Filed: April 26, 2013
    Publication date: October 30, 2014
    Applicants: THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jun PARK, Steve PARK, Zhenan BAO
  • SMART APPARATUS HAVING TOUCH INPUT MODULE AND ENERGY GENERATING DEVICE, AND OPERATING METHOD OF THE SMART APPARATUS
    Publication number: 20140313141
    Abstract: A smart apparatus and a method of operating the same are provided. The smart apparatus includes a display device in which an application is embedded; a touch input module which is disposed on the display device and is configured to execute the application in response to a touch input applied thereto; and a first energy generating device which is disposed on the display device and is configured to generate electric energy from a mechanical force externally applied thereto.
    Type: Application
    Filed: December 30, 2013
    Publication date: October 23, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jun PARK, Hyun-jin KIM, Hyuk CHANG
  • ENERGY HARVESTING DEVICE HAVING SELF-POWERED TOUCH SENSOR
    Publication number: 20140210313
    Abstract: Provided is an energy harvesting device having a self-powered touch sensor so that the energy harvesting device is capable of sensing pressure due to an external touch without using external power and harvesting and storing energy generated in response to the touch pressure. The energy harvesting device includes first and second electrodes facing each other, an energy generation layer disposed on the first electrode, and an elastic layer disposed on the second electrode layer, the elastic layer facing the energy generation layer and being configured to be elastically deformed according to pressure applied to the elastic layer. The energy generation layer is configured to generate energy according to the pressure applied to the energy generation layer.
    Type: Application
    Filed: January 28, 2014
    Publication date: July 31, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-jin KIM, Young-jun PARK, Steve PARK
  • Method of manufacturing P-type ZnO nanowires and method of manufacturing energy conversion device
    Patent number: 8778731
    Abstract: A method of manufacturing silver (Ag)-doped zinc oxide (ZnO) nanowires and a method of manufacturing an energy conversion device are provided. In the method of manufacturing Ag-doped ZnO nanowires, the Ag-doped nanowires are grown by a low temperature hydrothermal synthesis method using a Ag-containing aqueous solution.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: July 15, 2014
    Assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Hanyang University
    Inventors: Hyun-jin Kim, Young-jun Park, Sang-hyo Lee, Jin-pyo Hong, Jun-seok Lee
  • HYBRID GENERATOR USING THERMOELECTRIC GENERATION AND PIEZOELECTRIC GENERATION
    Publication number: 20140174496
    Abstract: A hybrid generator using a thermoelectric generation and a piezoelectric generation are provided. The hybrid generator includes first and second insulating layers spaced apart from each other; a thermoelectric structure disposed between the first and second insulating layers; a first electrode disposed on the second insulating layer; a piezoelectric structure disposed on the first electrode; a third insulating layer disposed on the piezoelectric structure; and a second electrode disposed on the third insulating layer.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 26, 2014
    Applicants: GEORGIA TECH RESEARCH CORPORATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jun PARK, Zhong-lin WANG, Sang-min LEE
  • PIEZOELECTRIC GENERATOR AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20140167563
    Abstract: Provided are flexible piezoelectric generators and methods of manufacturing the same. The piezoelectric generator includes a first insulation layer disposed on a first electrode, a piezoelectric structure disposed on the first insulation layer, a second insulation layer disposed on the piezoelectric structure, and a second electrode disposed on the second insulation layer.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 19, 2014
    Applicants: GEORGIA TECH RESEARCH CORPORATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jun PARK, Zhong-lin WANG, Sang-min LEE
  • GRAPHENE-NANOPARTICLE STRUCTURE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20140159181
    Abstract: A graphene-nanoparticle structure includes a substrate, a graphene layer disposed on the substrate and a nanoparticle layer disposed on the graphene layer. The graphene-nanoparticle structure may be formed by alternately laminating the graphene layer and the nanoparticle layer and may play the role of a multifunctional film capable of realizing various functions according to the number of laminated layers and the selected material of the nanoparticles.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 12, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-min KIM, Dae-Jun KANG, Seung-nam CHA, Muhammad Imran SHAKIR, Young-jun PARK
  • CONTROLLED MANUFACTURING METHOD OF METAL OXIDE SEMICONDUCTOR AND METAL OXIDE SEMICONDUCTOR STRUCTURE HAVING CONTROLLED GROWTH CRYSTALLOGRAPHIC PLANE
    Publication number: 20140138672
    Abstract: A method of controlling a growth crystallographic plane of a metal oxide semiconductor having a wurtzite crystal structure by using a thermal chemical vapor deposition method includes controlling a growth crystallographic plane by allowing the metal oxide semiconductor to grow in a non-polar direction by using a source material including a thermal decomposition material that reduces a surface energy of a polar plane of the metal oxide semiconductor.
    Type: Application
    Filed: April 9, 2013
    Publication date: May 22, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jun PARK, Jung-inn SOHN, Seung-nam CHA, Ji-yeon KU
  • SOLAR CELL SUBSTRATE AND SOLAR CELL USING SAME
    Publication number: 20140130859
    Abstract: The present invention relates to a solar cell substrate, and to a solar cell using same. The solar cell according to one embodiment of the present invention comprises: a lower substrate; and a lower electrode formed on the lower substrate. The lower electrode is formed of a Mo—X—Na three-component-system compound metal layer. Here, X may be one of Nb, Ni, Si, Ti, W, and Cr. The solar cell according to another embodiment of the present invention may comprise: a solar cell substrate including a lower substrate and a Mo—X—Na three-component-system compound metal layer that is a lower electrode formed on the lower substrate; a light-absorption layer formed on the solar cell substrate; a buffer layer formed on the light-absorption layer; a transparent window formed on the buffer layer; and an upper electrode formed on the transparent window.
    Type: Application
    Filed: June 8, 2012
    Publication date: May 15, 2014
    Inventors: Kyoung-Bo Kim, Young-Jun Park, Je-Hoon Baek, Jong-Sang Kim
  • SOLAR CELL SUBSTRATE, METHOD FOR MANUFACTURING SAME, AND SOLAR CELL USING SAME
    Publication number: 20140124028
    Abstract: One aspect of the present invention is a solar cell substrate, comprising: a lower substrate; and a lower electrode that is formed on the upper part of said lower substrate, wherein a metal diffusion-preventing film having at least one or two or more metal layers is included between said lower substrate and said lower electrode, and if two or more metal layers are formed, the metal layers adjoining each other can be different metals.
    Type: Application
    Filed: June 8, 2012
    Publication date: May 8, 2014
    Inventors: Kyoung-Bo Kim, Young-Jun Park, Je-Hoon Baek, Jong-Sang Kim, Young-Geun Kim
  • Weight balancer and pipe joining method
    Patent number: 8714434
    Abstract: The present invention relates to a weight balancer (100) and a pipe joining method that is capable of reducing a load of pipes when arranging and welding the pipes in ships, plants, piping work sites and the like.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: May 6, 2014
    Assignee: Samsung Heavy Ind. Co., Ltd.
    Inventors: Ki-Soo Cho, Young-jun Park, Sun-kyu Park, Seong-youb Chung, Hong-rae Chang, Young-youl Ha, Sung-joon Kim, Jong-il Park
  • Method and apparatus for subband scheduling in wireless communication system
    Patent number: 8693422
    Abstract: A method of scheduling a subband is provided. The method includes determining whether the eNodeB is in an overload state according to a used amount of a first radio resource of the eNodeB, receiving information on a used amount of a second radio source of at least one neighbor eNodeB from the at least one neighbor eNodeB, determining whether the at least one neighbor eNodeB is in the overload state, setting a number of total subbands to be used for a subband scheduling to a number lower than a number of total subbands used by the at least one neighbor eNodeB, setting a subband scheduling start order such that the subband scheduling is started from a subband having a farthest distance in frequency from at least one subband used by the at least one neighbor eNodeB from among the set number of subbands, and performing the subband scheduling.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: April 8, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Jun Park, Sang-Hoon Oh, Ki-Young Han, Hyon-Goo Kang, Byoung-Ha Yi