Patents by Inventor Sang Kyu Lee

Sang Kyu 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).

  • Patent number: 9236573
    Abstract: Provided are an organic semiconductor compound, a method for preparing same, a polymer compound having the organic semiconductor compound of the present invention as a monomer, and an organic semiconductor device containing the polymer compound. Said organic semiconductor compound has side chains in the chemical structure thereof, and is highly soluble in a solvent, and therefore the organic semiconductor compound can be effectively used in solution-based processes. The organic semiconductor device containing the polymer compound according to the present invention yields high manufacturing efficiency.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: January 12, 2016
    Inventors: Sang Jin Moon, Jong Cheol Lee, Won Suk Shin, Sang Kyu Lee
  • Publication number: 20150358024
    Abstract: A clock data recovery circuit including: a digital phase detector and deserializer configured to sample serial data using a recovery clock signal to generate an up phase error signal and a down phase error signal which correspond to a phase difference between the serial data and the recovery clock signal; a digital loop filter configured to generate an up fine code and a down fine code based on a result of counting the up and down phase error signals; a loop combiner configured to generate an up fine tuning code and a down fine tuning code by using the up and down phase error signals and the up and down fine codes; and a digitally controlled oscillator configured to generate the recovery clock signal having a frequency changed with the up and down fine tuning codes.
    Type: Application
    Filed: May 19, 2015
    Publication date: December 10, 2015
    Inventors: Tae Jin KIM, Chang Hoon Baek, Sang Kyu Lee, Jae Youl Lee
  • Publication number: 20150329782
    Abstract: The instant invention relates to liquid crystalline media comprising a chiral component, component A, consisting of one or more chiral compounds, optionally, a bimesogenic component, component B, consisting of one or more bimesogenic compounds, a liquid crystalline component, component C, consisting of one or more liquid crystalline, respectively mesogenic compounds, and a reactive mesogenic component, component D, comprising, one or more reactive mesogenic compounds, as defined in claim 1, to their stabilization by polymerization and to the polymer-stabilised liquid crystal materials, as well as to liquid crystal displays comprising these liquid crystal media, respectively these stabilized materials, especially to USH-displays and in particular to active matrix displays and, last not least, to the processes of preparation of the respective composite systems and of the displays comprising these systems.
    Type: Application
    Filed: July 24, 2015
    Publication date: November 19, 2015
    Applicant: MERCK PATENT GMBH
    Inventors: Seung-Eun LEE, Sang-Kyu LEE, Heui-Seok JIN, Won-Hoon PARK, Karl SKJONNEMAND, David WILKES, Kevin ADLEM, Patricia SAXTON, Owain Llyr PARRI
  • Patent number: 9164090
    Abstract: The present invention relates to methods for dynamically detecting the interactions between various materials including bioactive molecules and for detecting target molecules. More specifically, the present invention relates to a method for dynamically detecting bait-prey interactions and a method for easily detecting target molecules which blocks or activates the interactions, the method comprising: allowing a material capable of forming a nano-assembly matrix, a bait and a prey to interact with each other, and analyzing whether a nano-assembly matrix is formed by the interaction between the bait and the prey in vitro or in vivo; or allowing a material capable of forming a nano-assembly matrix, a bait and a prey to interact with each other, inducing the formation of a nano-assembly matrix by a mediator (regulator) material in vitro or in vivo, and then analyzing whether the prey and the bait co-localizes on the nano-assembly matrix.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: October 20, 2015
    Assignees: Korea Advanced Institute of Science and Technology, Korea Research Institute of Bioscience and Biotechnology
    Inventors: Tae Kook Kim, Seung Goo Lee, Sang Kyu Lee, Kyoung Hu Lee, Jae-Seok Ha
  • Publication number: 20150284439
    Abstract: To efficiently analyze interaction and function between proteins, the present invention relates to a method for forming a light-induced protein nanocluster, comprising: an expression vector preparation step of preparing a first expression vector including polynucleotides coding a first fusion protein including a light-induced heterodimer-forming protein and a first self-assembly protein, and a second expression vector including polynucleotides coding a couple protein that forms a homodimer with said light-induced heterodimer-forming protein, or a second fusion protein including said couple protein and a second self-assembly protein; a transformed cell, tissue or individual preparation step of transforming cells, tissues or individuals using said first expression vector and second expression vector; and a light radiation step of radiating light having a wavelength for inducing the formation of heterodimer between said light-induced heterodimer-forming protein and said couple protein, to said transformed cells,
    Type: Application
    Filed: September 28, 2012
    Publication date: October 8, 2015
    Inventors: Won Do Heo, Sang Kyu Lee, Hye Rim Park
  • Patent number: 9127200
    Abstract: The instant invention relates to liquid crystalline media comprising a chiral component, component A, consisting of one or more chiral compounds, optionally, a bimesogenic component, component B, consisting of one or more bimesogenic compounds, a liquid crystalline component, component C, consisting of one or more liquid crystalline, respectively mesogenic compounds, and a reactive mesogenic component, component D, comprising, one or more reactive mesogenic compounds, as defined in claim 1, to their stabilization by polymerization and to the polymer-stabilized liquid crystal materials, as well as to liquid crystal displays comprising these liquid crystal media, respectively these stabilized materials, especially to USH-displays and in particular to active matrix displays and, last not least, to the processes of preparation of the respective composite systems and of the displays comprising these systems.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: September 8, 2015
    Assignee: Merck Patent GmbH
    Inventors: Seung-Eun Lee, Sang-Kyu Lee, Heui-Seok Jin, Won-Hoon Park, Karl Skjonnemand, David Wilkes, Kevin Adlem, Patricia Saxton, Owain Llyr Parri
  • Patent number: 9090887
    Abstract: Alpha-amylases from Bacillus subtilis (AmyE), variants thereof, nucleic acids encoding the same, and host cells comprising the nucleic acids are provided. Methods of using AmyE or variants thereof are disclosed, including liquefaction and/or saccharification of starch. Such methods may yield sugars useful for ethanol production or high fructose corn syrup production. In some cases, the amylases can be used at low pH, in the absence of calcium, and/or in the absence of a glucoamylase.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: July 28, 2015
    Assignee: DANISCO US INC.
    Inventors: William A Cuevas, Sang-Kyu Lee, Sandra W Ramer, Andrew Shaw, Amr R Toppozada, David E Estell, Louise Wallace, Regina Chin, Carol A Requadt, Scott D Power, Michael J Pepsin
  • Patent number: 9087972
    Abstract: A flat panel display device and method of manufacturing the display device. The display device comprises a first substrate and a connection pad located along a side of the first substrate. A second substrate overlaps with the first substrate, wherein the second substrate does not overlap with an exposed portion of the first substrate. A first contact pad electrically couples the second substrate and the first substrate. A first distance from the side of the first substrate to a boundary between the exposed portion of the first substrate and the second substrate is greater than a second distance from the side of the first substrate to the first contact pad. The display device may be, for example, a touch capable display device that uses the first contact pad to transfer touch sensing signals from the second substrate to the first substrate.
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: July 21, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Bong Ki Choi, Kwang Su Lim, Hyo Dae Bae, Chang Nam Kim, Sang Kyu Lee, Joon Won Park, Kyung Joon Yoon
  • Patent number: 9040278
    Abstract: An ?-amylase from Bacillus subtilis (AmyE) produces significant amounts of glucose from various carbohydrate substrates, including vegetable starch, maltoheptaose, and maltotriose. Among other things, this advantageous property allows AmyE or variants thereof to be used in a saccharification reaction having a reduced or eliminated requirement for glucoamylase. The reduction or elimination of the glucoamylase requirement significantly improves the efficiency of the production of ethanol or high fructose corn syrup, for example.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: May 26, 2015
    Assignee: DANISCO US INC.
    Inventors: Luis G. Cascao-Pereira, Regina Chin, William A. Cuevas, David A. Estell, Sang-Kyu Lee, Michael J. Pepsin, Scott D. Power, Sandra W. Ramer, Carol A. Requadt, Andrew Shaw, Amr R. Toppozada, Louise Wallace
  • Publication number: 20150135040
    Abstract: A semiconductor memory device includes a memory cell array having a first group of main blocks, a second group of main blocks and redundancy blocks replacing the first group of main blocks or the second group of main blocks, a repair logic suitable for enabling a replacement signal when one or more of the second group of main blocks are defective, a control logic suitable for generating an address for the second group of main blocks in response to a dedicated command for access to one or more of the second group of main blocks, and an address decoder suitable for selecting one or more of the redundancy blocks based on the address for the second group of main blocks when the replacement signal is enabled.
    Type: Application
    Filed: May 20, 2014
    Publication date: May 14, 2015
    Applicant: SK hynix Inc.
    Inventors: Sang Kyu LEE, Chang Geun KIM
  • Patent number: 9030873
    Abstract: A method of operating a semiconductor device includes storing a supplying condition of a read voltage inputted from an external source into an internal register to perform a read operation of memory cells, performing the read operation repetitively with changing levels of the read voltage according to the supplying condition of the read voltage in the event that the number of error bits in a data read from the memory cells exceeds an allowable range, and storing an iteration number of the read operation in the internal register in case the number of the error bits falls within the allowable range.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: May 12, 2015
    Assignee: SK Hynix Inc.
    Inventors: Sang Kyu Lee, Min Ho Her, Myung Su Kim
  • Patent number: 8975056
    Abstract: Alpha-amylases from Bacillus subtilis (AmyE), variants thereof, nucleic acids encoding the same, and host cells comprising the nucleic acids are provided. Methods of using AmyE or variants thereof are disclosed, including liquefaction and/or saccharification of starch. Such methods may yield sugars useful for ethanol production or high fructose corn syrup production. In some cases, the amylases can be used at low pH, in the absence of calcium, and/or in the absence of a glucoamylase.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: March 10, 2015
    Assignee: Danisco US Inc.
    Inventors: Luis G. Cascao-Pereira, William A. Cuevas, David A. Estell, Sang-Kyu Lee, Scott D. Power, Sandra W. Ramer, Amr Toppozada, Louise Wallace
  • Publication number: 20150060838
    Abstract: An organic light emitting diode (OLED) display device having a built-in touch panel and a manufacturing method thereof in which an OLED array and a touch array are formed on a flexible substrate and thus the OLED display device has flexibility, and a flexible printed circuit board for driving the touch array is integrally formed with a printed circuit board for driving the OLED array and thus manufacturing costs are reduced are disclosed. The OLED display device includes an OLED array formed on a lower flexible substrate, a touch array formed on an upper flexible substrate, and an adhesive layer adhering the upper flexible substrate to the lower flexible substrate such that the touch array and the OLED array face each other.
    Type: Application
    Filed: November 6, 2014
    Publication date: March 5, 2015
    Inventors: SANG-KYU LEE, Moo-Chan Kang
  • Publication number: 20150044712
    Abstract: For efficient analysis of a protein-protein interaction, the present disclosure provides a kit for analyzing a protein-protein interaction, the kit including: a 1st expression vector including a 1st polynucleotide and a multi-cloning site, wherein, the 1st polynucleotide is operably linked to a promoter and encodes a 1st fusion protein having a 1st fluorescence protein and a 1st self-assembly protein, and the multi-cloning site is a site where a polynucleotide encoding a bait protein may be operably linked to the polynucleotide encoding the 1st fusion protein; and a 2nd expression vector including a 2nd polynucleotide and a multi-cloning site, wherein, the 2nd polynucleotide is operably linked to a promoter and encodes a 2nd fusion protein having a 2nd fluorescence protein and a 2nd self-assembly protein, and the multi-cloning site is a site where a polynucleotide encoding a prey protein may be operably linked to the polynucleotide encoding the 2nd fusion protein.
    Type: Application
    Filed: July 23, 2012
    Publication date: February 12, 2015
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Won Do Heo, Sun Chang Kim, Sang Kyu Lee
  • Publication number: 20150030717
    Abstract: The present teachings provide modified enzymes, preferably phytases, which have increased stability, hypothesized to arise from increased glycosylation. The enzymes can be modified to introduce or increase the number of glycosylation sites in the amino acid sequence, or glycosylation can be increased by the use of specific host production methods, or both. The enzymes of the present teachings have an increased stability after treatment at elevated temperature, which can be measured by inactivity reversibility or percent recovery following a treatment such as heating. The enzymes of the present teachings find application for example in food, feed, and feed pelleting.
    Type: Application
    Filed: February 1, 2013
    Publication date: January 29, 2015
    Inventors: Mark S. Gebert, Sang-Kyu Lee, Mariliz Ortiz-Maldonado, Michael Ward
  • Publication number: 20150029201
    Abstract: An operation method of a display driver includes generating a count value by counting a period of a synchronization signal related to a synchronization packet received from a host, receiving a mode change command from the host, the mode change command indicating a change from a video mode transmitting first image data to a display by bypassing a frame memory to a command mode transmitting second image data to the display through the frame memory, and generating an internal synchronization signal having a period substantially equal to the period of the synchronization signal by using the count value based on the mode change command after a last pulse of the synchronization signal is generated. A time interval between the last pulse and a first pulse of the internal synchronization signal is equal to the period of the synchronization signal.
    Type: Application
    Filed: October 14, 2014
    Publication date: January 29, 2015
    Inventors: Chi Ho CHA, Sang Kyu LEE, Hyun-Chul LEE, Jong Seon KIM, Hyo Jin KIM, Hak-Seong LEE, Seung Jin IN, Hyon Jun CHOI
  • Publication number: 20140376326
    Abstract: A semiconductor integrated circuit includes a clock pulse generating circuit suitable for outputting a command enable clock pulse when a predetermined command is input during a predetermined command-masking period, a command interface circuit suitable for outputting an internal command signal based on the command enable clock pulse and the command, and a target operating circuit suitable for performing an operation corresponding to the command based on the internal command signal.
    Type: Application
    Filed: November 20, 2013
    Publication date: December 25, 2014
    Applicant: SK hynix Inc.
    Inventors: Sang Kyu LEE, Wan Ik CHO
  • Patent number: 8906717
    Abstract: An organic light emitting diode (OLED) display device having a built-in touch panel and a manufacturing method thereof in which an OLED array and a touch array are formed on a flexible substrate and thus the OLED display device has flexibility, and a flexible printed circuit board for driving the touch array is integrally formed with a printed circuit board for driving the OLED array and thus manufacturing costs are reduced are disclosed. The OLED display device includes an OLED array formed on a lower flexible substrate, a touch array formed on an upper flexible substrate, and an adhesive layer adhering the upper flexible substrate to the lower flexible substrate such that the touch array and the OLED array face each other.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: December 9, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Sang-Kyu Lee, Moo-Chan Kang
  • Patent number: 8901415
    Abstract: The present invention relates to a pyrene-containing conductive polymer represented by formula 1 and an organic solar cell comprising the same as an organic photovoltaic material. The conductive polymer has improved hole mobility as a result of introducing a specific amount of pyrene either into a polymer, which consists only of a donor functional group comprising one or more aromatic monomers, or into a donor-acceptor type polymer comprising a repeating acceptor introduced into a donor functional group. Thus, the conductive polymer can be used as an organic photovoltaic material in organic photodiodes (OPDs), organic light-emitting diodes (OLEDs), organic thin-film transistors (OTFTs), organic solar cells and the like. In addition, an organic solar cell showing high power conversion efficiency (PCE) can be provided using an organic photovoltaic material comprising the pyrene-containing conductive polymer as an electron donor.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: December 2, 2014
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Sang Jin Moon, Jong Cheol Lee, Won Wook So, Won Suk Shin, Sang Kyu Lee, Sung Cheol Yoon, Dohoon Hwang, Chang Jin Lee
  • Publication number: 20140337574
    Abstract: Disclosed are a memory system, a semiconductor memory device and a method of operating the same. The memory system includes: a memory controller to output a command, address and data; and a semiconductor memory device to store at least one page data in each memory cell in response to the command, the address and the data, the memory controller to separately output first address used for determining the at least one page data from the data and second address used for determining a word line coupled to at least one memory cell.
    Type: Application
    Filed: September 18, 2013
    Publication date: November 13, 2014
    Applicant: SK HYNIX INC
    Inventors: Wan Ik CHO, Sang Kyu LEE, Myung Su KIM, Seung Jae CHUNG