Patents by Inventor Dong-Ki Lee

Dong-Ki 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: 20140249304
    Abstract: A long interfering dsRNA (liRNA) capable of inhibiting specific RNAi-mediated expression of target genes and promoting an immune reaction, and use thereof are provided. The long interfering dsRNA can be useful in inhibiting specific expression of target genes through an RNA-interfering reaction in a sequence-specific manner and inducing expression of interferon-? by stimulating a protein kinase R (PKR) path in a structure-dependent manner.
    Type: Application
    Filed: May 30, 2012
    Publication date: September 4, 2014
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Dong Ki Lee, Chan Il Chang
  • Patent number: 8716171
    Abstract: The present invention relates to preparation of porous gallium (III) oxide [Ga2O3] photocatalyst for production of hydrocarbons a porous gallium oxide photocatalyst for production of hydrocarbons, manufactured by the foregoing method, and a process of producing hydrocarbons using the porous gallium oxide photocatalyst for production of hydrocarbons, manufactured by the foregoing method.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: May 6, 2014
    Assignee: Korea Advanced Instititute of Science and Technology
    Inventors: Jeung-Ku Kang, Hang-Ah Park, Jung-Hoon Choi, Kyung-Min Choi, Dong-Ki Lee
  • Publication number: 20140021589
    Abstract: A semiconductor of which a substance such as a semiconductor photocatalyst is uniformly coated on the surface thereof with a graphitic carbon film and a method of fabricating the same are disclosed. According to the inventive method, a graphitic carbon film having a thickness of 1 nm or less is uniformly formed on the surface of the semiconductor by performing hydrothermal synthesis and pyrolysis on glucose, so as to keep the original structure crystallinity of the semiconductor photocatalyst to be a support of the carbon film.
    Type: Application
    Filed: December 7, 2012
    Publication date: January 23, 2014
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Jeung-Ku KANG, Dong-Ki LEE, Kyu-Sung HAN, Weon-Ho SHIN, Jung-Woo LEE, Jung-Hoon CHOI, Kyung-Min CHOI, Yeob LEE
  • Patent number: 8563711
    Abstract: The present invention relates to a nucleic acid aptamer which can specifically recognize and bind to pancreatic cancer cells or tissues. The nucleic acid aptamer can bind specifically only to pancreatic cancer cells or tissues without binding to normal pancreatic cancer tissue, and thus can be effectively used as a composition for diagnosing and treating pancreatic cancer. In addition, the nucleic acid aptamer can detect not only the terminal pancreatic cancer cell line Capan-1, but also the early pancreatic cancer cell line Panc-1, and thus can be used for early diagnosis of pancreatic cancer, thereby contributing to increasing the survival rate of pancreatic cancer patients.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: October 22, 2013
    Assignee: Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Dong Ki Lee, Dua Pooja
  • Publication number: 20130273657
    Abstract: The present invention relates to an RNAi-inducing nucleic acid molecule having a new structure and the use thereof, and more particularly to a novel nucleic acid molecule having a structure comprising a first strand, which is 24-121 nt in length and comprises a region complementary to a target nucleic acid, and a second strand which is 13-21 nt in length and has a region that binds complementarily to the region of the first strand, which is complementary to the target nucleic acid, so that the nucleic acid molecule inhibits the expression of a target gene with increased efficiency, and to a method of inhibiting the expression of a target gene using the nucleic acid molecule. The nucleic acid molecule structure of the present invention increases the efficiency with which the nucleic acid molecule inhibits the target gene.
    Type: Application
    Filed: September 7, 2011
    Publication date: October 17, 2013
    Applicant: Sungkyunkwan University Foundation For Corporate Collaboration
    Inventor: Dong Ki Lee
  • Patent number: 8513884
    Abstract: A flat panel display apparatus includes a substrate; a display unit which is formed on the substrate and displays an image; a metal sheet which faces towards the substrate; a sealant which fills the entire free space between the substrate and the metal sheet and seals the space between the substrate and the metal sheet; and a polymer layer which is disposed on a surface of the metal sheet and has a lower thermal expansion coefficient than the metal sheet. An organic light-emitting display (OLED) apparatus including a sealant which fills an entire space between a substrate and a metal sheet is also disclosed.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kie-Hyun Nam, Hoon Kim, Dong-Ki Lee, Jin-Wook Seong, Hong Chen, Jung-Mi Choi, Ji-Sil Lee
  • Patent number: 8514211
    Abstract: A display panel includes a power line supplying power, and a plurality of pixels connected with the power line, each pixel including a plurality of sub-pixel regions, and receiving the power to display an image. Each of the pixels further includes a plurality of driving thin film transistors and a plurality of light emitting units. Each of the driving thin film transistors are positioned in respective sub-pixel regions to receive the power to output driving signals. Each of the light emitting units are connected to respective driving thin film transistors, have relatively longer lengths in a first direction, and have the same width in a second direction substantially perpendicular to the first direction. One among the plurality of light emitting units is longer than the remaining light emitting units to thereby improve a light emitting efficiency and image display quality of a display panel.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Hyuk Choi, Chun-Gi You, Jong-Hyun Park, Doo-Hyun Woo, Dong-Ki Lee, Young-Dong Kwon, Jin-Hee Kang
  • Publication number: 20130199923
    Abstract: The present invention relates to a method of manufacturing a heterogeneous catalyst using space specificity, comprising: depositing a metal in a core of micelles provided on a substrate; depositing an oxide around a shell of the micelles after the deposition of the metal in the core of the micelle; and reducing the metal in the core of the micelles after the deposition of the oxide, then, removing the micelles, and a method for generation of hydrogen through decomposing water in the presence of the heterogeneous catalyst prepared according to the aforesaid method under a light source.
    Type: Application
    Filed: June 29, 2012
    Publication date: August 8, 2013
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Jeung-Ku Kang, Junghyo Park, Kyung-Min Choi, Jung-Hoon Choi, Dong-Ki Lee, Hyung-Joon Jeon
  • Patent number: 8502448
    Abstract: A display apparatus having an improved function for encapsulating a display unit, and comprising a substrate, wherein the display unit is disposed on the substrate; an encapsulation unit facing the display unit, the encapsulation unit comprising: a metal layer; and a composite member; and a sealing unit disposed between the substrate and the encapsulation unit and separated from the display unit so as to adhere the substrate to the encapsulation unit, wherein the composite member comprises a resin matrix and carbon fibers, and wherein the metal layer is disposed between the substrate and the composite member.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: August 6, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Min Lee, Kie-Hyun Nam, Choong-Ho Lee, Dong-Ki Lee, Hoon Kim
  • Publication number: 20130192975
    Abstract: The present invention relates to preparation of porous gallium (III) oxide [Ga2O3] photocatalyst for production of hydrocarbons a porous gallium oxide photocatalyst for production of hydrocarbons, manufactured by the foregoing method, and a process of producing hydrocarbons using the porous gallium oxide photocatalyst for production of hydrocarbons, manufactured by the foregoing method.
    Type: Application
    Filed: June 19, 2012
    Publication date: August 1, 2013
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Jeung-Ku Kang, Hang-Ah Park, Jung-Hoon Choi, Kyung-Min Choi, Dong-Ki Lee
  • Publication number: 20130162549
    Abstract: A display device integrated with a touch screen panel. The display device includes a plurality of pixels formed on a substrate, color filter patterns on a surface of the display device, corresponding to the pixels and containing a conductive material, and a black matrix formed between the color filter patterns. Each of the color filter patterns is electrically connected to an adjacent one of the color filter patterns to be used as sense electrodes of a touch screen panel.
    Type: Application
    Filed: May 3, 2012
    Publication date: June 27, 2013
    Inventors: Gun-Shik Kim, Dong-Ki Lee
  • Publication number: 20130130377
    Abstract: The present invention relates to a novel siRNA structure and the use thereof, and more particularly to a double-stranded siRNA molecule comprising an antisense strand and a sense strand, wherein the siRNA molecule has at least one single nucleotide bulge formed by introducing a single nucleotide into the antisense strand, particularly at position 2 from the 5? end, and to a method of using the same to silence a target gene. The siRNA molecule of the invention shows high target gene silencing efficiency while minimizing off-target effects caused by the antisense strand, and thus has improved target selectivity. Accordingly, the siRNA molecule of the invention can be substituted for conventional siRNA molecules and can be widely be used in siRNA-based gene silencing techniques, including gene therapy.
    Type: Application
    Filed: November 4, 2010
    Publication date: May 23, 2013
    Applicant: Sungkyunkwan University Foundation For Corporate Collaboration
    Inventors: Dong Ki Lee, Dua Pooja
  • Publication number: 20120238017
    Abstract: The present invention relates to a novel siRNA structure and the use thereof. More particularly, the invention relates to a double-stranded small interfering RNA molecule (siRNA molecule) comprising a 19-21 nucleotide (nt) antisense strand and a 15-19 nt sense strand having a sequence complementary to the antisense sequence, wherein the 5? end of the antisense strand has a blunt end and the 3? end of the antisense strand has an overhang, and to a method for silencing the expression of a target gene using the siRNA molecule.
    Type: Application
    Filed: December 18, 2008
    Publication date: September 20, 2012
    Inventors: Dong Ki Lee, Chan Il Chang
  • Publication number: 20120168451
    Abstract: A drinking cup with a tubular protrusion molded to the bottom and having an internal thread that allows it to be rotatably attached to and detached from a bottle with a small cylindrical neck. The internal thread cooperates with an external thread that is molded on the small cylindrical neck of the bottle so that the drinking cup can function as a cap to close and seal the bottle when it is inverted and placed over the neck of the bottle.
    Type: Application
    Filed: December 29, 2010
    Publication date: July 5, 2012
    Inventor: Dong Ki Lee
  • Publication number: 20120142013
    Abstract: The present invention relates to a nucleic acid aptamer which can specifically recognize and bind to pancreatic cancer cells or tissues. The nucleic acid aptamer can bind specifically only to pancreatic cancer cells or tissues without binding to normal pancreatic cancer tissue, and thus can be effectively used as a composition for diagnosing and treating pancreatic cancer. In addition, the nucleic acid aptamer can detect not only the terminal pancreatic cancer cell line Capan-1, but also the early pancreatic cancer cell line Panc-1, and thus can be used for early diagnosis of pancreatic cancer, thereby contributing to increasing the survival rate of pancreatic cancer patients.
    Type: Application
    Filed: June 1, 2010
    Publication date: June 7, 2012
    Applicant: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION
    Inventors: Dong Ki Lee, Dua Pooja
  • Patent number: 8193695
    Abstract: The present invention relates to an organic light emitting device and a manufacturing method thereof. A method of manufacturing an organic light emitting device according to an exemplary embodiment of the present invention includes: respectively forming first, second, and third driving transistors in a first region, a second region, and a third region on a substrate; forming an insulating layer on the first to third driving transistors; respectively forming first, second, and third pixel electrodes on the insulating layer, the first, second, and third pixel electrodes being formed in the first, second, and third regions, respectively; forming an auxiliary electrode on a side surface of each of the first, second, and third pixel electrodes; forming an organic light emitting member on the first to third pixel electrodes; and forming a common electrode on the organic light emitting member.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: June 5, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo-Hyun Kim, Sun Park, Chun-Gi You, Jong-Hyun Park, Dong-Ki Lee, Yul-Kyu Lee
  • Patent number: 8120623
    Abstract: An apparatus for overlaying images includes a broadcast image layer generator, an application image layer generator, and an overlay processor. The broadcast image layer generator generates a broadcast image layer based on a received broadcast signal. The application image layer generator generates an application image layer based on an application image. The overlay processor generates an overlay image obtained by overlaying the broadcast image layer with the application image layer, so that a broadcast image corresponding to the broadcast image layer and an application image corresponding to the application image layer may be displayed simultaneously on a screen. The broadcast image and the application image may be displayed simultaneously on a screen, and visibility and readability of a text in the application image may be enhanced based on the user's preference and the user's recognition ability when the portable device performs multi-tasking in which multiple programs are simultaneously executed.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: February 21, 2012
    Assignee: KT Tech, Inc.
    Inventors: Dong-Ki Lee, Jung-Bum Oh
  • Publication number: 20120016007
    Abstract: A multiplex siRNA complex and a multifunctional nucleic acid structure complex, which have enhanced intracellular delivery capacity are provided. The siRNA complex and the multifunctional nucleic acid structure complex have a novel structure which can be chemically synthesized in an easy manner for a conventional shRNA system for inhibiting the expression of a plurality of genes, while they can inhibit the expression of a plurality of genes at the same time at increased efficiency compared to the conventional siRNA. Also, they have high intracellular delivery capacity and can specifically inhibit the expression of target genes without causing a nonspecific antiviral response, and thus are highly useful as siRNA mechanism-mediated therapeutic agents for treating cancer or viral infection.
    Type: Application
    Filed: February 4, 2010
    Publication date: January 19, 2012
    Inventors: Dong Ki Lee, Chan Il Chang
  • Publication number: 20120006835
    Abstract: A drinking cup with a gripping mechanism that allows it to attach to a beverage can for closure to minimize the amount of dissolved gases escape from a carbonated beverage and for protection to minimize the amount of beverage spillage when the can is inadvertently dropped or tilted sideways. The drinking cup is designed with thick and thin sections that extend vertically around the outside of the cup to provide sufficient rigidity and flexibility to allow it to operate as a drinking cup and as a cover that snaps on to and off from the top of a beverage can.
    Type: Application
    Filed: July 11, 2010
    Publication date: January 12, 2012
    Inventor: Dong Ki Lee
  • Publication number: 20110248907
    Abstract: A display apparatus having an improved function for encapsulating a display unit, and comprising a substrate, wherein the display unit is disposed on the substrate; an encapsulation unit facing the display unit, the encapsulation unit comprising: a metal layer; and a composite member; and a sealing unit disposed between the substrate and the encapsulation unit and separated from the display unit so as to adhere the substrate to the encapsulation unit, wherein the composite member comprises a resin matrix and carbon fibers, and wherein the metal layer is disposed between the substrate and the composite member.
    Type: Application
    Filed: January 10, 2011
    Publication date: October 13, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jung-Min LEE, Kie-Hyun Nam, Choong-Ho Lee, Dong-Ki Lee, Hoon Kim