Abstract: Surface field electron emitters using a carbon nanotube yarn and a method of fabricating the same are disclosed. To fabricate the carbon nanotube yarn for use in fabrication of simple and efficient carbon nanotube field electron emitters, the method performs densification of the carbon nanotube yarn during rotation of a plying unit and heat treatment of the carbon nanotube yarn that has passed through the plying unit without using organic or inorganic binders or polymer pastes. The method fabricates the carbon nanotube yarn with excellent homogeneity and reproducibility through a simple process. The carbon nanotube yarn-based surface field electron emitters can be applied to various light emitting devices.
Type:
Application
Filed:
February 19, 2009
Publication date:
July 22, 2010
Applicant:
KOREA UNIVERSITY INDUSTRIAL & ACADEMIC COLLABORATION FOUNDATION
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:
Application
Filed:
July 31, 2009
Publication date:
July 22, 2010
Applicants:
SAMSUNG ELECTRONICS CO., LTD., Korea University Industrial & Academic Collaboration Foundation
Inventors:
Yoon-chul Son, Yong-chul Kim, Jeong-na Heo, Byeong-kwon Ju
Abstract: The present invention provides a small interfering RNA (siRNA) that is capable of inhibiting intracellular expression of Wnt1 through complementary binding to a Wnt1 transcript (mRNA transcript) base sequence and a pharmaceutical composition for treating cancer comprising the same. siRNA of the present invention which is complementary to a base sequence of a Wnt1 transcript (mRNA) provides apoptotic cancer cell death due to inhibition of expression of Wnt1 commonly expressed in cancer cells, by RNA-mediated interference (RNAi). Therefore, the composition of the present invention comprising the same can be used as an excellent anticancer drug.
Type:
Grant
Filed:
September 19, 2008
Date of Patent:
June 29, 2010
Assignee:
Korea University Industrial & Academic Collaboration Foundation
Inventors:
Yu-Kyoung Oh, Ga Yong Shim, Sang-Hee Kim
Abstract: Disclosed is a memory device using a multi-domain state of a semiconductor material, and more particularly to a magnetic memory device, in which a ferromagnetic layer for recording magnetic data serves as a sensing layer so as to have a simple structure, shorten a manufacturing process, and reduce the unit cost of production. The planar hall effect or magneto-resistance is used to measure multi-domain states so as to read data stored in a multi-level state.
Type:
Grant
Filed:
December 14, 2007
Date of Patent:
June 22, 2010
Assignee:
Korea University Industrial & Academic Collaboration Foundation
Abstract: A data aggregation method and data aggregation apparatus are provided. More particularly the data aggregation method includes: generating a plurality of data aggregation trees according to connection relationships between clusters that constitute a sensor network using a geographical code (GGC), selecting a single activation zone for each of the clusters which configures each of the plurality of data aggregation trees, selecting a maximum energy tree having a maximum total residual energy from the plurality of data aggregation trees, based on the single activation zone, and generating a tree list including activation zone information which corresponds to the maximum energy tree, and information about the maximum energy tree.
Type:
Grant
Filed:
August 23, 2007
Date of Patent:
June 8, 2010
Assignees:
Samsung Electronics Co., Ltd., Korea University Industrial & Academic Collaboration Foundation
Inventors:
Jin Wook Lee, Su-Myeon Kim, Sun Shin An, Won Keun Kong, Hun Lim, Kyung Soo Lim, Sang Bin Lee
Abstract: The present invention is directed to a method and system for translating a high programming level language code such as C, C++, Fortran, Java or the like into a HDL code such as Verilog or VHDL. The system includes: a C-to-C source translator which reads user API from a translation-targeted high level language code marked with the user API, separates the translation-targeted high level language code into a hardware code part and a software code part, and stores the hardware code part and the software code part in separate files; a main compiler which compiles the stored software code part; a translator which translates the stored hardware code part into a HDL code including one or more block modules and one top module; a main core which executes the compiled software code part; and a dedicated hardware which executes the HDL code.
Type:
Application
Filed:
February 25, 2009
Publication date:
May 27, 2010
Applicant:
Korea University Industrial & Academic Collaboration Foundation
Abstract: A data transmission system transmitting data using a relay is provided. The relay selects a transmission terminal from a plurality of terminals connected to a base station. During a first time slot, the base station transmits base station data to the relay and the transmission terminal transmits terminal data to the relay. The relay transmits the terminal data to the base station and transmits the base station data to the transmission terminal during a second time slot.
Type:
Application
Filed:
May 14, 2009
Publication date:
May 6, 2010
Applicants:
SAMSUNG ELECTRONICS CO., LTD., Korea University Industrial & Academic Collaboration Foundation
Inventors:
Jun Il Choi, Chang Soon Park, Ki-Hong Park, Young-Chai Ko, Jin Hee Lee
Abstract: A method and an apparatus for transmitting and receiving a signal in a communication system are provided. The method includes transmitting a signal to a receiver through one of the antennas, receiving an antenna switching indicator indicating to switch the transmitting antenna from the receiver, and switching the transmitting antenna according to the antenna switching indicator, and transmitting a signal to the receiver through a switched antenna.
Type:
Application
Filed:
January 18, 2008
Publication date:
March 25, 2010
Applicant:
Korea University Industrial & Academic Collaboration Foundation
Inventors:
Young Chai Ko, Hae Woon Nam, Seung Sik Eom
Abstract: A method of forming a nitride semiconductor through ion implantation and an electronic device including the same are disclosed. In the method, an ion implantation region composed of a line/space pattern is formed on a substrate at an ion implantation dose of more than 1E17 ions/cm2 to 5E18 ions/cm2 or less and an ion implantation energy of 30˜50 keV, and a metal nitride thin film is grown on the substrate by epitaxial lateral overgrowth, thereby decreasing lattice defects in the metal nitride thin film. Thus, the electronic device has improved efficiency.
Type:
Application
Filed:
April 28, 2009
Publication date:
March 18, 2010
Applicant:
Korea University Industrial & Academic Collaboration Foundation
Inventors:
Dong-Jin BYUN, Bum-Joon Kim, Jung-Geun Jhin, Jong-Hyeob Baek
Abstract: Core-shell nanoparticles having a core material and a mesoporous silica shell, and a method for manufacturing the core-shell nanoparticles are provided.
Type:
Application
Filed:
August 27, 2008
Publication date:
March 4, 2010
Applicant:
Korea University Industrial & Academic Collaboration Foundation
Abstract: Disclosed herein are an apparatus for measuring the total acid number of oil, an apparatus for measuring the lifetime of oil through the measurement of the total acid number of oil, a method for measuring the total acid number of oil, and a method of making measurements using an oil sensor. According to the disclosed invention, measurement accuracy can be increased through the use of a high-sensitivity conductance measuring sensor, the inventive apparatus can be applied to both lubricant oil and insulating oil, the size of the total acid number-measuring apparatus can be reduced.
Type:
Application
Filed:
October 31, 2007
Publication date:
March 4, 2010
Applicants:
SNS Revolution Co., Ltd., Korea University Industrial & Academic Collaboration Foundation
Inventors:
Byeong Kwon Ju, Kyung Shin, Cheol Ho Yeo
Abstract: A sensor producing apparatus comprised of an extractor for extracting a nano fiber from a solution and a driving device to relatively move the substrate and the extractor, a method for forming a sensor, and a sensor with a nano structure are provided.
Type:
Application
Filed:
August 27, 2008
Publication date:
March 4, 2010
Applicant:
Korea University Industrial & Academic Collaboration Foundation
Abstract: Techniques for coating a fiber with metal oxide include forming silica in the fiber to fix the metal oxide to the fiber. The coated fiber can be used to facilitate photocatalysis.
Type:
Application
Filed:
August 27, 2008
Publication date:
March 4, 2010
Applicant:
Korea University Industrial & Academic Collaboration Foundation
Abstract: A self movable boom system is provided. The self movable boom system include: a boom disposed on a plane perpendicular to a building clamp structure; and a moving unit apparatus including a circumferential moving unit which is disposed between the boom and the building clamp structure to move the boom on a plane perpendicular to the building clamp structure, a lifting-up unit of which one end is disposed toward the circumferential moving unit and of which other end is disposed toward the building clamp structure to move the boom along a longitudinal direction of the building clamp structure, and a boom moving unit which moves an object along the longitudinal direction of the building clamp structure and along a longitudinal direction of the boom.
Type:
Grant
Filed:
February 19, 2008
Date of Patent:
February 23, 2010
Assignee:
Korea University Industrial & Academic Collaboration Foundation
Inventors:
Nak Ju Doh, Gwi Tae Park, Kyung In Kang, Ung Kyun Lee, Tae Hoon Kim, Sung Hoon An, Tae Koo Kang, Jeong Eom Lee, Seoung Kyou Lee
Abstract: Provided are a method and apparatus for processing an image. The method includes receiving a first luminance image of an image including airlight, which is a type of light that occurs in a foggy environment, and generating an airtight map based on a ratio between an average luminance of the first luminance image, and a standard deviation; and removing the airtight by subtracting the airtight map from the first luminance image and outputting a second luminance image. According to the present invention, airlight components may be effectively removed.
Type:
Application
Filed:
May 7, 2009
Publication date:
February 18, 2010
Applicants:
Samsung Techwin Co., Ltd., Korea University Industrial & Academic Collaboration Foundation
Inventors:
Bong-hyup Kang, Dong-jun Kim, Chang-won Jeon, Hanseok Ko
Abstract: The present invention relates to a new use of inhibitors of leukotriene B4 receptor BLT2 for treating asthma. More particularly, the present invention relates to a pharmaceutical composition for treating asthma comprising BLT2 inhibitors and a method for treating asthma using BLT2 inhibitors. The present inventors investigated the role of BLT2 in the pathogenesis of asthma using a murine model and demonstrated that BLT2 plays a critical role in the development of AHR and airway inflammation by employing BLT2 inhibitors, such as antisense oligonucleotide. Therefore, the BLT 2 inhibitors according to the present invention can be effectively used as a therapeutic composition for treating asthma.
Type:
Application
Filed:
March 24, 2008
Publication date:
February 11, 2010
Applicant:
Korea University Industrial & Academic Collaboration foundation
Inventors:
Jae-Hong Kim, Kyung-Jin Cho, Min-Hyuk Yoo
Abstract: The present invention relates to a delay-locked loop-based multiphase clock generator that generates a plurality of multiphase clocks from an input clock signal using a voltage controlled delay line including a plurality of dummy cells. The delay-locked loop-based multiphase clock generator includes an anti-harmonic lock circuit that receives an input clock and a reference clock of multiple clocks, determines whether a pulse signal derived from the input clock is within a normal locking range of the reference clock, and outputs a compulsory control signal to compulsorily control an output signal of a phase detector if it is determined that the pulse signal is not within the normal locking range.
Type:
Application
Filed:
February 25, 2009
Publication date:
January 21, 2010
Applicant:
Korea University Industrial & Academic Collaboration Foundation
Abstract: A photolithography system using an optical microscope is provided that can form various types of selective patterns at a low cost in small-scale research using unit-size silicon substrates which is not targeted for mass production, without requiring an expensive photomask.
Type:
Application
Filed:
February 19, 2008
Publication date:
January 7, 2010
Applicant:
Korea University Industrial & Academic Collaboration Foundation
Inventors:
Gyu-Tae Kim, Eung-Seok Park, Do-Young Jang, Jae-Woo Lee