Patents by Inventor Duk Park

Duk 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).

  • Patent number: 9017879
    Abstract: An electrolyte includes a eutectic mixture comprising (a) an alkoxy alkyl group-containing amide compound having a specific chemistry formula 1 or 2: wherein each of X, R, R1, R2, m and n is defined; and (b) an ionizable lithium salt. The eutectic mixture-containing electrolyte exhibits excellent high temperature stability as well as inherent characteristics of eutectic mixtures, including excellent thermal and chemical stability, thus contributing to improved high temperature stability and decreased lowest limit of electrochemical window. The electrolyte is useful in electrochemical devices comprising various anode materials.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: April 28, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Ji-Won Park, Byoung-Bae Lee, Jae-Seung Oh, Shin-Jung Choi, Jae-Duk Park, Dong-Su Kim, Hyo-Jin Lee
  • Publication number: 20150083855
    Abstract: A slat control system for an aircraft may include a flight control computer configured to generate a gap command in response to an occurrence of a gap-command condition. The slat control system may further include an edge control system including an edge control device having a plurality of control device positions including at least one designated control device position. The slat control system may additionally include a device actuation system configured to move a leading edge device of an aircraft. The edge control system may be configured to automatically command the device actuation system to extend the leading edge device from a sealed position to a gapped position when the edge control device is in the designated control device position and the gap command is received by the edge control system.
    Type: Application
    Filed: September 24, 2013
    Publication date: March 26, 2015
    Applicant: The Boeing Company
    Inventors: Matthew A. Moser, Michael R. Finn, Duk Park, Christopher A. Konings
  • Publication number: 20150065494
    Abstract: The present invention provides an aminostyrylbenzofuran compound of Formula (I), and a pharmaceutical composition comprising same. The pharmaceutical composition of the present invention comprising the compound of Formula (I), a pharmaceutically acceptable salt, an isomer, a hydrate, and a solvate thereof as an active ingredient can be useful for the prevention and treatment of degenerative brain diseases caused by accumulation of beta-amyloid.
    Type: Application
    Filed: April 1, 2013
    Publication date: March 5, 2015
    Inventors: Dong Jin Kim, Kyung Ho Yoo, Young Soo Kim, Woong Seo Park, Yong Koo Kang, Hye Yun Kim, Yun Kyung Kim, Ki Duk Park, Maeng Sup Kim, Kwee Hyun Suh, Young Gil Ahn
  • Patent number: 8933065
    Abstract: A first aspect of the invention is a compound (sometimes also referred to herein as an “active agent” or “active compound”) of Formula I or Ia: or a pharmaceutically acceptable salt or prodrug thereof. Compositions thereof and methods of using the same (e.g. for the treatment of a neurological disease) are also described.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: January 13, 2015
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Harold L. Kohn, Christophe Salomé, Ki Duk Park, Elise Salomé-Grosjean
  • Publication number: 20140370699
    Abstract: A method of fabricating a semiconductor device includes forming an interlayer insulating layer on a substrate, the interlayer insulating layer including a first trench and a second trench, forming a first conductive layer along sidewall surfaces and bottom surface of the first trench and forming a second conductive layer along sidewall surfaces and bottom surface of the second trench, forming a mask pattern on the second conductive layer, the mask pattern filling the second trench and being a bottom anti-reflective coating (BARC), and removing the first conductive layer using the mask pattern.
    Type: Application
    Filed: December 31, 2013
    Publication date: December 18, 2014
    Inventors: Ju-Youn Kim, Chul-Woong Lee, Tae-Sun Kim, Sang-Duk Park, Bum-Joon Youn, Tae-Won Ha
  • Publication number: 20140370672
    Abstract: In a method for fabricating a semiconductor device, a first gate electrode and a second gate electrode are provided on a substrate, the first gate electrode and the second gate electrode being formed in a first region and a second region of the substrate, respectively. A conductive buffer layer is formed along sidewalls of the first gate electrode and the second gate electrode and on upper surfaces of the first gate electrode and second gate electrode. A first mask pattern covering the first region of the substrate on the buffer layer is formed. A first impurity region is formed in the substrate at sides of the second gate electrode using the first mask pattern as a mask of an ion implantation process.
    Type: Application
    Filed: January 31, 2014
    Publication date: December 18, 2014
    Inventors: Ju-Youn Kim, Sang-Duk Park, Jae-Kyung Seo, Kwang-Sub Yoon, In-Gu Yoon
  • Patent number: 8910074
    Abstract: Provided is a system and method for performing an auto scroll. The system for performing the auto scroll may include an auto scroll determination unit to determine whether to perform the auto scroll on a page, an auto scroll performing unit to perform the auto scroll on the page so that a main text of the page may be obtained with focus, and a page providing unit to output the auto scrolled page. According to exemplary embodiments of the present invention, even though a user does not manually scroll to data of the page to be viewed, the data of the page may automatically be scrolled so that the data may be obtained with focus.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: December 9, 2014
    Assignee: NHN Corporation
    Inventors: Jung Woo Park, Woong Sub Kim, Kee Duk Park, Se Kwon
  • Publication number: 20140342239
    Abstract: An electrolyte includes an eutectic mixture composed of (a) a hetero cyclic compound having a predetermined chemistry figure, and (b) an ionizable lithium salt. An electrochemical device having the electrolyte. The eutectic mixture included in the electrolyte exhibits inherent characteristics of an eutectic mixture such as excellent thermal stability and excellent chemical stability, thereby improving the problems such as evaporation, ignition and side reaction of an electrolyte caused by the usage of existing organic solvents.
    Type: Application
    Filed: May 2, 2014
    Publication date: November 20, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Byoung-Bae Lee, Jae-Seung Oh, Ji-Won Park, Shin-Jung Choi, Jae-Duk Park, Dong-Su Kim, Hyo-Jin Lee
  • Patent number: 8858837
    Abstract: Disclosed is an electrolyte comprising a eutectic mixture formed of: (a) an amide group-containing compound; and (b) a lithum-free ionizable salt. An electrochemical device comprising the electrolyte is also disclosed. The electrolyte improves the quality of and electrochemical device due to the excellent conductivity of the metal cation contained in the eutectic mixture, a broad electrochemical window and low viscosity. Additionally, since the eutectic mixture has excellent thermal and chemical stability, it is possible to solve the problems of evaporation, exhaustion and ignition of electrolytes, to minimize side reactions between constitutional elements of the device and the electrolyte, and to improve the safety of the electrochemical device.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: October 14, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jae Seung Oh, Byoung Bae Lee, Jae Duk Park, Ji Won Park
  • Publication number: 20140293061
    Abstract: A broadband monitoring camera includes a main camera and a plurality of assistant cameras, which are installed around the main camera and are configured to photograph blind-zone areas that the main camera cannot photograph. A rotary type mounting part provides a mounting space for the main camera so that the main camera rotates in upward, downward, leftward and rightward directions. A mounting and engaging part provides a mounting space for mounting the rotary type mounting part thereon, and an assistant bracket is engaged to the rotary type engaging part and provides a space for mounting the assistant cameras. A plurality of assistant camera support parts are engaged to the assistant bracket and respectively mount the assistant cameras thereon. Each of the assistant camera support parts is configured to rotate in upward, downward, leftward and rightward directions, so that each assistant camera rotates in upward, downward, leftward and rightward directions, respectively.
    Type: Application
    Filed: June 17, 2014
    Publication date: October 2, 2014
    Inventors: CHAN DUK PARK, UNG DO PARK
  • Patent number: 8808924
    Abstract: Disclosed is an electrolyte for a secondary battery, comprising an eutectic mixture consisting of: (a) am amide group-containing compound with at least one EDG introduced into the N-position thereof; and (b) an ionizable lithium salt. Also, provided are a secondary battery comprising such an electrolyte, and a method of adjusting an electrochemical stability window of an eutectic mixture consisting of an amide group-containing compound and a lithium salt by regulating electron donating properties of at least one substituent group introduced into the N-position of the amide group-containing compound.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: August 19, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Byoung-Bae Lee, Shin-Jung Choi, Jae-Seung Oh, Ji-Won Park, Young-Kyu Han, Jae-Hoon Jung, Jae-Duk Park
  • Patent number: 8802319
    Abstract: The present invention relates to block copolymer electrolyte composite membranes with improved ionic conductivity. The block copolymer electrolyte composite membrane in accordance with an aspect of the present invention can comprise a plate-like inorganic filler as surface-modified with a sulfonic group; and a block copolymer comprising at least one selected from the group consisting of a sulfonic group, a carbonic acid group, and a phosphoric acid group.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: August 12, 2014
    Assignee: Korea Institute of Science and Technology
    Inventors: Chong-Min Koo, Soon-Man Hong, Seung-Sang Hwang, Kyung-Youl Baek, Jang-Woo Lee, Jin-Hong Lee, Youn-Duk Park, Kyung-ho Min, Ji-Young Jung
  • Patent number: 8715866
    Abstract: An electrolyte includes an eutectic mixture composed of (a) a hetero cyclic compound having a predetermined chemistry figure, and (b) an ionizable lithium salt. An electrochemical device having the electrolyte. The eutectic mixture included in the electrolyte exhibits inherent characteristics of an eutectic mixture such as excellent thermal stability and excellent chemical stability, thereby improving the problems such as evaporation, ignition and side reaction of an electrolyte caused by the usage of existing organic solvents.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: May 6, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Byoung-Bae Lee, Jae-Seung Oh, Ji-Won Park, Shin-Jung Choi, Jae-Duk Park, Dong-Su Kim, Hyo-Jin Lee
  • Patent number: 8690561
    Abstract: A method for a vacuum process of isostatic pressing of powder material comprises preparing an explosive charged rubber bag by charging a rubber bag with powder, forming a vacuum environment by putting the explosive charged rubber bag in a vacuum box, sealing an inlet of the explosive charged rubber bag which is in a vacuum state, and maintaining the vacuum state by putting the explosive charged rubber bag in a fluid contained in a reservoir by a predetermined depth in a state that the inlet of the explosive charged rubber bag has been sealed.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: April 8, 2014
    Assignee: Agency for Defense Development
    Inventors: Jin Sung Lee, Hee Duk Park, Hee Sul Sa
  • Publication number: 20130049530
    Abstract: The present invention relates to an actuator which is one of the energy conversion devices, and is characterized by improving the ability to convert electrical energy into mechanical energy by way of using a dielectric elastomer composite comprising a filler with an efficient dispersibility. In case of using a conventional resilient dielectric layer, there was a problem in that the operating voltage is high, while advantageously exhibiting a fast response and a high strain.
    Type: Application
    Filed: August 24, 2010
    Publication date: February 28, 2013
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chong Min Koo, Soon Man Hong, Seung Sang Hwang, Kyung Youl Baek, Soon Jong Kwak, Myung Hee Kim, Bo Ri Kim, Hee La Kwak, Kyung Ho Min, Youn Duk Park
  • Publication number: 20130040124
    Abstract: The present invention relates to transparent antistatic films using graphene, and methods for preparing the same. The films include conductive particles comprising a single-layer or multi-layer graphene, and a binder. The films are prepared by dispersing graphene in a solvent to obtain a graphene dispersion; dissolving a curable binder to a solvent to obtain a binder solution; mixing the graphene dispersion, the binder solution and optionally an additive to obtain a coating solution; applying the coating solution onto a substrate and drying the solution to form a coated film; and curing the coated film. According to the present invention, transparent or semitransparent antistatic films having excellent permeability, abrasion resistance, scratch resistance, chemical stability and dimensional stability can be prepared. The films also have superior adhesion to substrates and applicability, and thus may be advantageously applied to rigid or flexible substrates.
    Type: Application
    Filed: April 5, 2011
    Publication date: February 14, 2013
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chong Min Koo, Soon Man Hong, Seung Sang Hwang, Soon Jong Kwak, Kyung Youl Baek, Kyung Ho Min, Youn Duk Park, Hee La Kwak, Myung Hee Kim, Bo Ri Kim, Seung Sock Choi, Tae Hee Han
  • Publication number: 20120286627
    Abstract: The present invention relates to a polymer blend composition comprising a dielectric elastomer, an actuator film manufactured using the same, and an actuator comprising the film. The polymer blend composition according to the present invention comprises a block copolymer having excellent compatibility with the dielectric elastomer and excellent dielectric properties, and thus displacement values suitable for the purpose can be obtained by a simple method of adjusting a composition of the polymer blend. Moreover, the film manufactured using the same has high dielectric constant, low dielectric loss and high electromechanical displacement, and thus the film exhibits excellent dielectric properties when it is applied in a dielectric layer for an actuator.
    Type: Application
    Filed: May 8, 2012
    Publication date: November 15, 2012
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chong-Min KOO, Soon-Man HONG, Kyung-Youl BAEK, Seung-Sang HWANG, Youn-Duk PARK, Kyung-Ho MIN, Jin-Hong LEE, Yun-Jae LEE, Ji-Young JUNG, Jang-Woo LEE
  • Publication number: 20120282532
    Abstract: The present invention relates to block copolymer electrolyte composite membranes with improved ionic conductivity. The block copolymer electrolyte composite membrane in accordance with an aspect of the present invention can comprise a plate-like inorganic filler as surface-modified with a sulfonic group; and a block copolymer comprising at least one selected from the group consisting of a sulfonic group, a carbonic acid group, and a phosphoric acid group.
    Type: Application
    Filed: November 7, 2011
    Publication date: November 8, 2012
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chong-Min KOO, Soon-Man HONG, Seung-Sang HWANG, Kyung-Youl BAEK, Jang-Woo LEE, Jin-Hong LEE, Youn-Duk PARK, Kyung-ho MIN, Ji-Young JUNG
  • Publication number: 20120217356
    Abstract: The present invention relates to a broadband monitoring camera and comprises: a main camera; a plurality of auxiliary cameras which are installed around the main camera to photograph a blind spot which is not photographed by the main camera; a rotational mount for providing a loading space in which the main camera can be rotated in an upper direction, a lower direction, a left direction, and a right direction; a loading mount for preparing a loading space on which the rotational mount can be loaded; auxiliary brackets which are coupled with the rotational mount to prepare a coupling space on which the auxiliary cameras can be loaded; and auxiliary camera supporters coupled with the auxiliary brackets on which the auxiliary cameras are loaded. The auxiliary camera supporters are characterized by enabling the auxiliary cameras to be rotated in the upper direction, the lower direction, the left direction, and the right direction and maintaining a fixed state thereof in a particular position.
    Type: Application
    Filed: October 15, 2010
    Publication date: August 30, 2012
    Inventors: Chan Duk Park, Ung Do Park
  • Publication number: 20120070762
    Abstract: The preset invention relates to a solid oxide fuel cell stack capable of producing electricity, in which unit cell modules are connected in series and in parallel, and to a manufacturing method thereof. The solid oxide fuel cell stack is manufactured by: making a unit cell module comprising at least one unit cell formed on the outer surfaces of a flat tubular support, a first electrical interconnector formed on the front end of the support and at least a portion of the outer surfaces so as to be connected to a first electrode of the unit cell, and a second electrical interconnector formed on the rear end of the support and at least a portion of the outer surfaces so as to be connected to a second electrode of the unit cell; and stacking the unit cell modules such that the electrical interconnectors come into contact with each other.
    Type: Application
    Filed: April 15, 2010
    Publication date: March 22, 2012
    Inventors: Jong Shik Chung, Hyun-Ki Youn, Bu Ho Kwak, Jung Duk Park