Patent application number | Description | Published |
20090124007 | Method for the Simultaneous Primary-Isolation and Expansion of Endothelial Stem/Progenitor Cell and Mesenchymal Stem Cell Derived From Mammal Including Human Umbilical Cord - Disclosed herein is a method for isolating and culturing the endothelial stem/progenitor cells and mesenchymal stem cells derived from the umbilical cord of mammals, including human beings. More specifically, disclosed are a method for isolating and culturing endothelial stem/progenitor cells and mesenchymal stem cells at high purity from the umbilical cord of mammals, including human beings, and preferably from the human umbilical cord, as well as endothelial stem/progenitor cells and mesenchymal stem cells, isolated and cultured according to said method, and a method for freezing and thawing the isolated and cultured cells. According to the disclosed method, endothelial stem/progenitor cells and mesenchymal stem cells can be easily isolated and purified with high purity from umbilical cord, and can be cultured with high viability for a long period of time. | 05-14-2009 |
20140301987 | STRUCTURE FOR TISSUE REGENERATION AND A PRODUCTION METHOD THEREFOR - The present invention relates to a structure for tissue regeneration and to a production method therefor. The structure for tissue regeneration according to the present invention allows autologous tissue to be used, makes stable transplantation possible and can be produced without additional materials such as biopolymers. Also, it can be produced to a diameter of any desired size from a number of microns to a number of centimeters and can easily be produced in volume, and it contains large amounts of the extracellular matrix GAG, collagen and the like and can be used in tissue regeneration or filling in various fields including dermatology, plastic surgery, dentistry, surgery, orthopaedic surgery, urology, otolaryngology or in obstetrics and gynaecology. | 10-09-2014 |
Patent application number | Description | Published |
20080233557 | PNA Probes, Kits, and Methods for Detecting Lamivudine-Resistant Hepatitis B Viruses - Disclosed are peptide nucleic acid (PNA) probes to detect lamivudine resistant mutants of hepatitis B virus (HBV), which causes acute and chronic hepatitis, kits for detecting lamivudine resistant HBV comprising the PNA probes, and methods for detecting lamivudine resistant HBV by using the kits. They can accurately detect mutations of rtL180M, rtM204V, rtM204I and rtV2071 within B and C domains of HBV DNA polymerase gene, the main cause of lamivudine resistance, as well as mixed mutants of more than one mutant. They can detect lamivudine resistant HBV with high specificity and sensitivity. | 09-25-2008 |
20080248461 | PNA Probes, Kits, and Methods for Detecting Genotypes of Human Papillomavirus - Disclosed are PNA probes capable of genotype specifically binding with Human Paillomavirus (HPV) DNA, kits for detecting HPV genotypes comprising the probes, and methods for detecting HPV genotypes by using the kits, which enables the accurate detection of all 24 genotypes of HPV found in cervix, diagnosis of combined infection with more than one HPV genotype, and detection of HPV genotypes with high specificity and sensitivity. | 10-09-2008 |
20090312197 | PEPTIDE NUCLEIC ACIDS CONJUGATED WITH MULTI-AMINE LINKERS AND NUCLEIC ACID DETECTING DEVICE USING THE SAME - The present invention relates to a peptide nucleic acid (PNA) conjugated with multi-amine linkers, and a method to prepare the same and utilization thereof. More specifically, the method is characterized by conjugating monomers having multi-amine functionality sequentially at a PNA terminal, and effectively immobilizing the PNA conjugated with multi-amine linkers on a solid surface. A PNA array prepared using the PNA conjugated with multi-amine linkers exhibits improved sensitivity and specificity of signals for detecting target nucleic acids as compared to a PNA array using PNA probes having only one amine group. The PNA conjugated with multi-amine linkers can be utilized in nucleic acid detecting devices or kits for gene diagnosis such as PNA microarrays, PNA chips, PNA field-effect transistors and impedance detectors. | 12-17-2009 |
20100248980 | Method for Selective Labeling and Detection of Target Nucleic Acids Using Immobilized Peptide Nucleic Acid Probes - Disclosed are a method for selective labeling of target nucleic acids on an array having nucleic acid analogue, e.g. PNA (peptide nucleic acid), probes immobilized on a support or supports, comprising adding to the array a detectable label and an agent for introducing the label into the target nucleic acids, after hybridization between the target nucleic acids and the nucleic acid analogue probes, and a method for detection of target nucleic acids using the same. | 09-30-2010 |
20100292471 | PEPTIDE NUCLEIC ACID OLIGOMERS COMPRISING UNIVERSAL BASES,PREPARATION METHODS THEREOF, AND KITS, DEVICES AND METHODS FOR THE ANALYSIS, DETECTION OR MODULATION OF NUCLEIC ACIDS USING THE SAME - Disclosed is a PNA oligomer with increased solubility in water and specificity upon hybridization with nucleic acid, which comprises at least one universal base, capable of forming a base pair with natural DNA or RNA bases, incorporated in its base sequence, the base sequence having at least 60% purine bases or at least four contiguous purine bases. | 11-18-2010 |
20110111416 | Peptide Nucleic Acid Probes, Kits and Methods for Expression Profiling of Micrornas - Disclosed are peptide nucleic acid (PNA) probes, a kit and a method for expression profiling of microRNAs (miRNAs), which play an important role in regulation of expression of genes encoding proteins. | 05-12-2011 |
Patent application number | Description | Published |
20080241661 | Mobile terminal with user identification card including personal finance-related information and method of using a value-added mobile service through said mobile terminal - The present invention enables a user to receive a financial service anywhere through a mobile terminal equipped with a UIM (User Identification Module) electronic card. In the present invention, a user enters his or her password to a mobile terminal with a UIM card including subscriber telephone number, finance, authorization, and personal information, then, if the entered password is correct, authorization is processed with a remote authorizing server based on the authorization information. After authorization, user's requesting service, e.g., payment service, transaction particulars inquiry service, prepaid card recharging service is conducted through a mobile network. | 10-02-2008 |
20080242355 | Mobile terminal with user identification card including personal finance-related information and method of using a value-added mobile service through said mobile terminal - The present invention enables a user to receive a financial service anywhere through a mobile terminal equipped with a UIM (User Identification Module) electronic card. In the present invention, a user enters his or her password to a mobile terminal with a UIM card including subscriber telephone number, finance, authorization, and personal information, then, if the entered password is correct, authorization is processed with a remote authorizing server based on the authorization information. After authorization, user's requesting service, e.g., payment service, transaction particulars inquiry service, prepaid card recharging service is conducted through a mobile network. | 10-02-2008 |
20120171521 | MOBILE TERMINAL WITH USER IDENTIFICATION CARD INCLUDING PERSONAL FINANCE- RELATED INFORMATION AND METHOD OF USING A VALUE-ADDED MOBILE SERVICE THROUGH SAID MOBILE TERMINAL - The present invention enables a user to receive a financial service anywhere through a mobile terminal equipped with a UIM (User Identification Module) electronic card. In the present invention, a user enters his or her password to a mobile terminal with a UIM card including subscriber telephone number, finance, authorization, and personal information, then, if the entered password is correct, authorization is processed with a remote authorizing server based on the authorization information. After authorization, user's requesting service, e.g., payment service, transaction particulars inquiry service, prepaid card recharging service is conducted through a mobile network. | 07-05-2012 |
20120171538 | MOBILE TERMINAL WITH USER IDENTIFICATION CARD INCLUDING PERSONAL FINANCE- RELATED INFORMATION AND METHOD OF USING A VALUE-ADDED MOBILE SERVICE THROUGH SAID MOBILE TERMINAL - The present invention enables a user to receive a financial service anywhere through a mobile terminal equipped with a UIM (User Identification Module) electronic card. In the present invention, a user enters his or her password to a mobile terminal with a UIM card including subscriber telephone number, finance, authorization, and personal information, then, if the entered password is correct, authorization is processed with a remote authorizing server based on the authorization information. After authorization, user's requesting service, e.g., payment service, transaction particulars inquiry service, prepaid card recharging service is conducted through a mobile network. | 07-05-2012 |
Patent application number | Description | Published |
20090317478 | METHOD OF PREPARING COVERED POROUS BIODEGRADABLE POLYMER MICROSPHERES FOR SUSTAINED-RELEASE DRUG DELIVERY AND TISSUE REGENERATION - The present invention relates to covered porous biodegradable polymer microspheres for sustained-release drug delivery and tissue regeneration which has an interconnected inner open pore structure having a wide surface area and high porosity and an outer closed pore structure in which the surface of the microsphere is covered with a thin layer of a biodegradable polymer, and thereby the pores formed on the surface and exposed to the outside are closed; and methods for preparing the same. Due to such a characteristic pore structure, the covered porous biodegradable polymer microspheres according to the present invention can prevent the biologically active material from being excessively released in the early stage immediately after administration, and after that, can gradually release the biologically active material through the interconnected inner pore structure over a prolonged period as the biodegradable polymer thin layer is degraded. Therefore, the microsphere of the present invention can be effectively used for sustained-release drug delivery and tissue regeneration. | 12-24-2009 |
20100055396 | METHOD FOR HIGH RESOLUTION INK-JET PRINT USING PRE-PATTERNED SUBSTRATE AND CONDUCTIVE SUBSTRATE MANUFACTURED USING THE SAME - A method for high resolution ink-jet print using a pre-patterned substrate employs an ink-jet printing device including an ink-jet head for discharging conductive ink droplets and a driving stage for supporting a substrate to which the conductive ink droplets are hit, to draw a fine line width pattern on the substrate. The method includes (A) forming a stripe pattern with repeated stripes on a substrate surface on which a fine line width pattern will be formed, thereby preparing a pre-patterned substrate; (B) loading the substrate to the ink-jet printing device; and (C) injecting conductive ink droplets to a substrate region where the stripe pattern is formed. An equivalent interval (d) of the stripe pattern and a fine line width (D) of the drawn fine line width pattern satisfy a relation of d<03-04-2010 | |
20100098762 | Thermosensitive Pluronic Derivative Hydrogels With High Biodegradability And Biocompatibility For Tissue Regeneration And Preparation Method Thereof - The present invention relates to a thermosensitive pluronic derivative hydrogel for tissue regeneration in which a biodegradable polymer is introduced at one end or both ends of a pluronic polymer, a methacryloxyethyl trimellitic acid anhydride is conjugated to the biodegradable polymer, and a physiologically active substance is fixed to the methacryloxyethyl trimellitic acid anhydride, as well as a method for the preparation thereof. The pluronic derivative hydrogel according to the present invention exhibits high biodegradability due to the introduction of a biodegradable polymer while still maintaining the themosensitivity of the pluronic polymer itself and shows good biocompatibility owing to the coupling with a physiologically active substance capable of improving cell adhesion, proliferation and differentiation. Therefore, the pluronic derivative hydrogel according to the present invention can be effectively used in the regeneration of various kinds of tissues and organs. | 04-22-2010 |
20100129422 | POROUS BIODEGRADABLE POLYMER SCAFFOLDS FOR IN SITU TISSUE REGENERATION AND METHOD FOR THE PREPARATION THEREOF - The present invention relates to an intelligent porous biodegradable polymer scaffold for in situ tissue regeneration in which two kinds of physiologically active substances having high differentiation potential and biocompatibility are introduced into the polymer scaffold and conjugated to the surface thereof, respectively, and a method for the preparation thereof. Since the intelligent porous biodegradable polymer scaffold exhibits improved biocompatibility and differentiation potential due to the introduction of physiologically active substances capable of efficiently inducing cell proliferation and differentiation into both the surface and the inside thereof, it can directly induce in situ tissue regeneration of the musculoskeletal system from stem cells in a living tissue after transplanting the polymer scaffold and stem cells into a human body without additional in vitro cultivation. Therefore, the intelligent porous biodegradable polymer scaffold according to the present invention can be effectively used in the regeneration of various kinds of tissues and organs including the musculoskeletal system. | 05-27-2010 |
20100172262 | APPARATUS AND METHOD FOR DELAY TIME COMPUTATION AND DELAY COMPENSATION BETWEEN BASE STATION AND REMOTE RADIO FREQUENCY UNIT IN BROADBAND WIRELESS ACCESS SYSTEM - An apparatus and method for delay time computation and delay compensation between a Base Station (BS) and a remote Radio Frequency (RF) unit in a broadband wireless access system are provided. In a method of operating an apparatus for determining a delay time to compensate for delay between a BS modem card and a remote RF unit in a wireless access system, the method includes determining a process delay time required when traffic data is output from the BS modem card to an antenna of the remote RF unit in a state where a reference cable having a length short enough to neglect a cable delay time is connected between the BS modem card and the remote RF unit, determining a cable delay time required when a sync pulse signal is transmitted through a cable used in actual system operation between the BS modem card and the remote RF unit, and determining a time for outputting traffic data at an earlier time from a modem included in the BS modem card by using the determined process delay time and cable delay time. | 07-08-2010 |
20100279233 | METHOD FOR LASER INTERFERENCE LITHOGRAPHY USING DIFFRACTION GRATING - A method for laser interference lithography using a diffraction grating includes (a) forming a photoresist layer on a work substrate to which a repeated fine pattern is to be formed; (b) forming a refractive index matching material layer on the photoresist layer; (c) forming on the refractive index matching material layer a diffraction grating layer having a period of diffraction grating within the range from λ/n | 11-04-2010 |
20110111367 | NANOCOUPLING FOR IMPROVEMENT OF COATING ADHESION OF POLYMER ON METAL SUBSTRATES - Disclosed is nanocoupling of a polymer onto a surface of a metal substrate for improving coating adhesion of the polymer on the metal substrate, and in vivo stability and durability of the polymer. In accordance with the present invention, the polymers can be grafted via a chemical bonding on the surface of the metal substrate by the nanocoupling, by which adhesion, biocompatibility and durability of a polymer-coated layer which is to be formed later on the metal substrate were remarkably improved; therefore, the nanocoupling according to the present invention can be applied to surface modification of a metal implant, such as stents, mechanical valves, and an articular, a spinal, a dental and an orthopedic implants. | 05-12-2011 |
20110263018 | CORE-SHELL STRUCTURED DELIVERY SYSTEM FOR GROWTH FACTORS, A PREPARATION METHOD THEREOF, AND USE THEREOF FOR THE DIFFERENTIATION OR PROLIFERATION OF CELLS - The present invention relates to a method of preparing a delivery system capable of loading bioactive growth factors that are essential for the differentiation and proliferation of cells and is characterized as loading at least two types of components comprising growth factors in a single carrier, whereby the release of each of the plurality of growth factors can be temporally controlled. Specifically, the method of preparing a microcapsule type growth factor delivery system according to the present invention includes: (1) preparing a polymeric microsphere comprising a first component, and then encapsulating the microspheres by electrodropping the polymer microsphere into another polymer comprising a second component, thereby manufacturing a core-shell structured, microcapsule type delivery system, or (2) encapsulating a polymer solution comprising a first component by electrodropping the polymer solution into another polymer comprising a second component, thereby manufacturing a core-shell structured microcapsule type delivery system. The present invention also provides a stem cell differentiation method involving bringing a microcapsule type delivery system loaded with multiple growth factors according to the present invention into contact with stem cells. | 10-27-2011 |
20120183741 | METHOD FOR HIGH RRESOLUTION INK-JET PRINT USING PRE-PATTERNED SUBSTRATE AND CONDUCTIVE SUBSTRATE MANUFACTURED USING THE SAME - A method for high resolution ink-jet print using a pre-patterned substrate employs an ink-jet printing device including an ink-jet head for discharging conductive ink droplets and a driving stage for supporting a substrate to which the conductive ink droplets are hit, to draw a fine line width pattern on the substrate. The method includes (A) forming a stripe pattern with repeated stripes on a substrate surface on which a fine line width pattern will be formed, thereby preparing a pre-patterned substrate; (B) loading the substrate to the ink-jet printing device; and (C) injecting conductive ink droplets to a substrate region where the stripe pattern is formed. An equivalent interval (d) of the stripe pattern and a fine line width (D) of the drawn fine line width pattern satisfy a relation of d<07-19-2012 | |
20120212816 | SUBSTRATE HAVING LOW REFLECTION AND HIGH CONTACT ANGLE, AND PRODUCTION METHOD FOR SAME - Provided are a substrate including a base with a pattern on at least one side thereof, in which a refractive index in a lower region of the pattern and a refractive index in an upper region of the pattern are different from each other according to a shape of the pattern; and a water repellent coating layer provided on at least one side with the pattern of the base, an optical product including the same, and a manufacturing method of the substrate. The substrate according to the present invention has both an excellent anti-reflective property and an excellent water repellent property. | 08-23-2012 |
20120300475 | LIGHTING DEVICE - A lighting device may be provided that includes: a light emitting module; a heat sink disposed on the light emitting module; a heat radiating fan disposed on the heat sink; and a housing which receives the light emitting module, the heat sink and the heat radiating fan, and includes an air inlet port and an air outlet port which are separated from each other, and includes a partition separating the air inlet port from the air outlet port, wherein the air inlet port is connected to a space between the heat radiating fan and the housing, and wherein the air outlet port is connected to a space between the heat sink and the heat radiating fan. | 11-29-2012 |
20130039072 | LIGHTING DEVICE - A lighting device may be provided that includes: a housing having a top opening and a bottom opening; an optical plate disposed in the top opening; heat sink disposed in the bottom opening; a driving unit which is received in the housing, disposed between the optical plate and the heat sink and receives external electric power; and light source which is received in the housing, disposed between the optical plate and the driving unit, spatially separated from the driving unit and is electrically connected to the driving unit. | 02-14-2013 |
20140240994 | LIGHTING DEVICE - A lighting device includes a heat sink including a first heat radiation part and a second heat radiation part; a light source module including a substrate disposed on the first heat radiation part, and a light emitting device disposed on the substrate; and a power supply unit which is disposed within the second heat radiation part and supplies power to the light source module. The second heat radiation part includes an inner portion receiving the power supply unit therewithin, an outer portion enclosing the inner portion, and a first receiver disposed between the inner portion and the outer portion. The first heat radiation part includes an upper portion which is disposed on the inner portion of the second heat radiation part and on which the substrate of the light source module is disposed, and a lower portion disposed in the first receiver of the second heat radiation part. | 08-28-2014 |
20140327420 | POWER SUPPLY AND DC-DC CONVERTER THEREIN - A power supply includes a rectifier circuit to rectify power, a smoothing circuit unit to smoothen a voltage of the rectified power, and a voltage drop circuit unit to drop the smoothened voltage. The voltage drop circuit unit includes an electric charge storage circuit to output the voltage-dropped voltage, a resonance circuit to receive first current from the smoothing circuit unit and to supply second current to the electric charge storage circuit, and a current interruption circuit to control the first current and the second current using zero current switching for performing switching when current does not flow using a resonance circuit. | 11-06-2014 |
20150117036 | LIGHTING DEVICE - A lighting device may be provided that comprises: a light emitting module; a heat sink disposed on the light emitting module; a heat radiating fan disposed on the heat sink; and a housing which receives the light emitting module, the heat sink and the heat radiating fan, and includes an air inlet port and an air outlet port which are separated from each other and formed in a direction in which the lighting emitting module irradiates light, wherein the air inlet port and the air outlet port are disposed on the circumference of the housing, and wherein the air inlet port and the air outlet port are alternately disposed. | 04-30-2015 |
Patent application number | Description | Published |
20130301026 | MASK AND OPTICAL FILTER MANUFACTURING APPARATUS INCLUDING THE SAME - A mask and an optical filter manufacturing apparatus including the same are provided. A mask used for a roll-to-roll process of forming patterns in a base film configured to move along a curved surface includes a mask body having a curved surface disposed opposite a roll around which the base film is wound and a plane surface corresponding to the reverse side of the curved surface. The curved surface of the mask body is disposed a predetermined distance apart from a curved surface of the roll. The mask and optical filter manufacturing apparatus enable formation of uniform patterns on the base film to enhance the quality of products and precisely attain the properties of the base film. | 11-14-2013 |
20130309451 | SUPERHYDROPHOBIC SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - There is provided a superhydrophobic substrate comprising a plurality of protrusions having a pseudo random distribution on one surface thereof, an average interval between respective protrusions among the plurality of protrusions being greater than an interval between light beam wave peaks of light within the visible spectrum, allowing the substrate to have durability and transparency secured therein. | 11-21-2013 |
20130335815 | POLARIZATION SEPARTION ELEMENT - The present application relates to a polarization separation element, a method for manufacturing a polarization separation element, a device for irradiating light, a method for irradiating light, and a method for manufacturing a photo-alignment layer. An ultraviolet ray polarization separation element, according to the present invention, has superior resistance to ultraviolet rays and heat, and involves a simple manufacturing process due to less pitch dependency of polarizing characteristics. In addition, the polarization separation element according to the present application can achieve a superior degree of polarization and extinction ratio even within a short wavelength field. | 12-19-2013 |
20140021367 | POLARIZED LIGHT SPLITTING ELEMENT - Provided are a polarized light splitting element, a method of manufacturing the same, a light radiating device, a method of radiating light, and a method of manufacturing an ordered photo-alignment film. The polarized light splitting element has excellent durability with respect to UV rays and heat, and low pitch dependence of polarization characteristics, so that it is easily manufactured. In addition, the polarized light splitting element may realize a high polarization degree and extinction ratio even in a short wavelength region. | 01-23-2014 |
20140036200 | REFLECTIVE POLARIZER - The present application relates to a reflective polarizer, a method of manufacturing a reflective polarizer, an optical element, and a display device. The reflective polarizer may have excellent thermal and physical durability even when exposed to a light source and external friction. In addition, the method for manufacturing a reflective polarizer according to the present application may provide a large-sized reflective polarizer without using expensive equipment. | 02-06-2014 |
20150205026 | METHOD FOR MANUFACTURING POLARIZED LIGHT SPLITTING ELEMENT AND POLARIZED LIGHT SPLITTING ELEMENT - The present application relates to a method for manufacturing a polarized light splitting element and a polarized light splitting element. The present application can provide: a method for manufacturing the polarized light splitting element having excellent polarized light splitting ability and light-transmission ability through a simple and efficient process; and the polarized light splitting element having the excellent polarized light splitting ability and the light transmission ability. | 07-23-2015 |
20150219918 | POLARIZED ULTRAVIOLET LIGHT SPLITTING ELEMENT - The present application relates to a polarized ultraviolet light splitting element and to the use thereof. The present application may provide a polarized ultraviolet light splitting element which exhibits excellent splitting efficiency within a wide range of the ultraviolet light region and which has excellent durability. The element can be used, for example, in a photoalignment process of a liquid crystal alignment film. | 08-06-2015 |
20150289378 | METHOD OF PREPARING METAL PATTERN HAVING 3D STRUCTURE - The present application relates to a method of preparing a metal pattern having a 3D structure, a metal pattern laminate, and use of the metal pattern laminate. According to the method of preparing a metal pattern, the metal pattern having a 3D structure can be effectively formed on a receptor. Especially, the metal pattern having a 3D structure can also be effectively and rapidly transferred to a surface of the receptor, such as, a flexible substrate, to which the metal pattern is not easily transferred. The metal pattern laminate prepared using the method can, for example, be usefully used for metal layers of flexible electronic devices or metal interconnection lines. | 10-08-2015 |
20150309370 | ALIGNMENT FILM FOR LIQUID CRYSTAL LENS AND MOLD FOR PREPARING THE SAME (As Amended) - Provided are an alignment film for a liquid crystal (LC) lens, a mold for preparing the same, a method of manufacturing the alignment film, and a method of manufacturing the mold. An alignment film in which an LC lens in which liquid crystals are well aligned, can be effectively manufactured, or a mold for preparing the alignment film can be provided. In particular, in order to implement a shape of a lens, the liquid crystals filled in a nonplanar space, such as a curved surface, are effectively aligned in the LC lens so that the LC lens can be formed. Also, a combined fine pattern can be manufactured using a simple process and can also be applied to a continuous process, such as a roll-to-roll process. | 10-29-2015 |
20150309417 | EXPOSURE APPARATUS - Provided are a photomask, an exposure apparatus and a method. A fine pattern having a submicrometer size can be easily formed on a cylindrical mold, and the cylindrical mold having the pattern formed therein can be easily applied to an automation process, such as a roll-to-roll process. Also, the fine pattern can be formed in a large scale having various sizes by using a mask formed of a flexible material, and patterns having different shapes can be divided or independently formed on a curved surface of the cylindrical mold so that a degree of freedom of a process can be improved. | 10-29-2015 |
Patent application number | Description | Published |
20080218292 | Low voltage data transmitting circuit and associated methods - A low voltage data transmitting circuit (LVDTC) may be connected to a first transmission line that transmits a first voltage signal to a receiver and a second transmission line that transmits a second voltage signal to the receiver. The LVDTC includes a first resistor coupled to the first transmission line, a second resistor coupled to the second transmission line, and a control unit coupled to the first transmission line and the second transmission line, the control unit being configured to control voltage levels of the first and second voltage signals such that the voltage levels of the first and second voltage signals are higher than a ground voltage level of the receiver, wherein the first and second voltage signals may constitute a differential pair. | 09-11-2008 |
20090015537 | DISPLAY DEVICE TRANSFERRING DATA SIGNAL WITH CLOCK - A display device includes; a panel, a timing controller generating an embedded clock data signal combining image data and a clock signal, and a column driver driving the panel in response to the embedded clock data signal. The data bits within the embedded clock data signal are communicated at one of three voltage levels in a three-level signaling scheme, and the timing controller determines one of the three voltage levels for a current data bit (DIN[n]) within the embedded clock data signal in relation to a voltage level of a previous data bit (DIN[n−1]) within the embedded clock data signal. | 01-15-2009 |
20100244914 | CLOCK GENERATOR TO REDUCE LONG TERM JITTER - A clock generator includes a controller, a digital phase locked loop (PLL) circuit, a charge pump phase locked loop (PLL) circuit and a divider. The controller generates a division factor and a first internal clock signal in response to a low-frequency reference clock signal and a multiplication factor. The digital PLL circuit generates a second internal clock signal in response to the reference clock signal, the division factor and the first internal clock signal. The charge pump PLL circuit generates a plurality of third internal clock signals by using the second internal clock signal. The divider generates a high-frequency clock signal in response to a phase selection signal, the division factor and the third internal clock signals. | 09-30-2010 |
20110227616 | PHASE LOCKED LOOP CIRCUIT, METHOD OF DETECTING LOCK, AND SYSTEM HAVING THE CIRCUIT - Provided are a phase locked loop (PLL) circuit, a lock detector employable with a PLL circuit, a system including such a PLL circuit and/or lock detector, and a method of detecting a lock/unlock state of a PLL circuit. The PLL circuit may include a clock generating circuit configured to generate an output clock signal having a predetermined frequency in synchronization with a reference clock signal. The lock detector may be configured to determine that the PLL circuit is in a lock state when a phase difference between the reference clock signal and the output clock signal is equal to or less than a first reference value, determine that the PLL circuit is in an unlock state when the phase difference between the reference clock signal and the output clock signal is greater than a second reference value, and generate a lock detection signal. | 09-22-2011 |
20110227617 | PHASE LOCKED LOOP CIRCUIT AND SYSTEM HAVING THE SAME - A phase locked loop (PLL) circuit and a system including such a PLL that may at least compensate for leakage current in a loop filter. The PLL circuit may include a voltage adjusting unit configured to pump charges based on a phase difference between an oscillation clock signal and a reference clock signal, a loop filter configured to generate a frequency control voltage, a level of which is shifted by the charge pumping of the voltage adjusting unit, a voltage controlled oscillator (VCO) configured to output the oscillation clock signal having a frequency corresponding to the frequency control voltage, and a current control circuit configured to generate a compensation current corresponding to a leakage current generated by the loop filter and allow the compensation current and the leakage current to substantially and/or completely counterbalance each other. | 09-22-2011 |
20120183104 | DIGITAL PHASE FREQUENCY DETECTOR, DIGITAL PHASE LOCKED LOOP INCLUDING THE SAME AND METHOD OF DETECTING PHASE AND FREQUENCY OF OUTPUT SIGNAL - A digital phase frequency detector includes a detection unit, a reset unit and a phase comparison unit. The detection unit detects edges of a reference signal and a feedback input signal to generate a reference edge signal and a feedback edge signal. The reset unit generates a reset signal resetting the detection unit based upon the reference edge signal and the feedback edge signal. The phase comparison unit generates first and second phase comparison signals based upon the reference edge signal and the feedback edge signal. The phase comparison unit includes a first flip-flop generating a first comparison signal based upon the reference edge signal and the feedback edge signal, a second flip-flop generating a second comparison signal based upon the reference edge signal and the feedback edge signal, and a latch block latching the first and second comparison signals to generate the first and second phase comparison signals. | 07-19-2012 |
20120319765 | SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD OF SUPPLYING POWER TO THE SAME - A semiconductor IC including a supply voltage generator, one or more first circuit blocks, and one or more second circuit blocks. The supply voltage generator is configured to generate a first supply voltage and a second supply voltage based on an external supply voltage, and to provide the first supply voltage to a first power bus and the second supply voltage to a second power bus. The first circuit blocks are connected between the first power bus and the second power bus, and the second circuit blocks are connected between the second power bus and ground. | 12-20-2012 |
20130187685 | DITHER CONTROL CIRCUIT AND DEVICES HAVING THE SAME - A dither control circuit includes a pseudo random number generator, which generates a pseudo random number sequence in response to a frequency-divided clock signal, and a dither circuit which dithers an input digital code by using at least one output bit of the pseudo random number sequence and outputs a dithered digital code corresponding to a result of the dithering. The dither circuit may output, as the dithered digital code, a digital code corresponding to a sum of or a difference between the input digital code and the input digital code based on the at least one output bit. The dithered digital code may be input to an accumulator which operates in-sync with the frequency-divided clock signal. | 07-25-2013 |
20140203879 | TEMPERATURE CONTROLLED OSCILLATOR AND TEMPERATURE SENSOR INCLUDING THE SAME - A temperature controlled oscillator includes an oscillation unit and a filter unit. The oscillation unit is configured to generate at least one reference voltage based on a supply voltage and a ground voltage, and to generate an oscillation signal having a period varying according to a temperature, the oscillation unit configured to generate the oscillation signal based on a filter voltage and the at least one reference voltage. The filter unit is configured to generate the filter voltage based on the oscillation signal. | 07-24-2014 |
20140232477 | SEALED CRYSTAL OSCILLATOR AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME - A semiconductor package includes a package substrate; an integrated circuit chip formed on one surface of the package substrate; and a sealed quartz oscillator formed on at least one of an inside, one surface, and the other surface of the package substrate, wherein the sealed quartz oscillator includes a substrate, a quartz blank formed on one surface of the substrate, and a sealing cap covering at least one surface of the quartz blank and including metal. | 08-21-2014 |
20140266137 | CURRENT GENERATOR, METHOD OF OPERATING THE SAME, AND ELECTRONIC SYSTEM INCLUDING THE SAME - A current generator includes a first current generation circuit configured to generate a first current having a first current noise which depends on a change in a supply voltage, a second current generation circuit configured to generate a second current having a second current noise which depends on the change in the supply voltage, and a current subtracting circuit configured to generate a third current with the first current noise and the second current noise removed by subtracting the second current from the first current. | 09-18-2014 |
20140266341 | DIGITAL PHASE-LOCKED LOOP USING PHASE-TO-DIGITAL CONVERTER, METHOD OF OPERATING THE SAME, AND DEVICES INCLUDING THE SAME - A digital phase locked loop (DPLL), a method of operating the same, and a device including the same are provided. The DPLL includes a digitally-controlled oscillator configured to change a frequency and a phase of an output oscillation signal in response to a digital control code; a main divider configured to divide the frequency of the output oscillation signal and generate a first feedback signal based on the divided frequency; and a phase-to-digital converter configured to subdivide the phase of the output oscillation signal and to generate a quantized code by converting a phase difference between a reference signal and the first feedback signal using a phase-subdivided signal resulting from the subdivision. The digital control code is generated based on the quantized code. | 09-18-2014 |
20140266346 | ALL-DIGITAL PHASE-LOCKED LOOP FOR ADAPTIVELY CONTROLLING CLOSED-LOOP BANDWIDTH, METHOD OF OPERATING THE SAME, AND DEVICES INCLUDING THE SAME - A method of operating an all-digital phase-locked loop (ADPLL) includes detecting a phase change in a feedback signal of the ADPLL using a search window and controlling a closed-loop bandwidth of the ADPLL based on a detection result. The closed-loop bandwidth when the phase change is detected outside the search window is greater than the closed-loop bandwidth when the phase change is detected within the search window. | 09-18-2014 |
20140266371 | MULTI-PHASE GENERATOR - A multi-phase generator includes an oscillator unit including a plurality of first buffer units forming a single closed loop and a delay unit including a plurality of second buffer units respectively connected to a plurality of nodes, wherein each of the plurality of nodes is connected between two adjacent buffer units of the first buffer units. A phase of an output signal of a second buffer unit, among the second buffer units, lags behind a phase of an output signal of a first buffer unit, among the first buffer units. | 09-18-2014 |
20150120257 | METHOD OF OPERATING OSCILLATOR INCLUDING VERIFICATION OF OPERATION OF THE OSCILLATOR - A method of verifying operation of an oscillator includes performing a Monte-Carlo simulation with respect to points in an initial-conditions space, and then judging whether a frequency error exists. An oscillation error is determined to exist when the frequency error exists. Additional operations include determining a point at which a probability of having a settling time longer than a maximum value, of a settling time obtained up to a present time, is maximum when the frequency error does not exist. The Monte-Carlo simulation is then performed on the determined point to judge whether the frequency error exists. | 04-30-2015 |
20150233996 | CIRCUIT OF MEASURING LEAKAGE CURRENT IN A SEMICONDUCTOR INTEGRATED CIRCUIT - An integrated circuit includes an operational circuit and a test circuit for measuring a leakage current associated with all or part of the operational circuit. The leakage current measurement circuit may include a mirror circuit configured to mirror leakage current to a current-to-voltage converter and an analog-to-digital converter configured to convert the analog voltage representative of the leakage current developed by the current-to-voltage converter to a digital value. | 08-20-2015 |
Patent application number | Description | Published |
20100007834 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first insulating substrate with a top surface and a bottom surface. A pixel electrode is formed on the top surface of the first insulating substrate. The pixel electrode has a first opening pattern at each pixel area. The pixel electrode with the first opening pattern is substantially rectangular in shape with a first long side and a second long side, and first short side and a second short side. The pixel electrode is divided into an upper region defined by the first long side and the second long side and the first short side, and a lower region defined by the first long side and the second long side and the second short side. A second insulating substrate with a top surface and a bottom surface is arranged parallel to the first insulating substrate at a predetermined distance from the same such that the bottom surface of the second insulating substrate faces the top surface of the first insulating substrate. A common electrode is formed on the bottom surface of the second insulating substrate. The common electrode has a second opening pattern at each pixel area, which correspond to each pixel area of the pixel electrode. A liquid crystal layer is sandwiched between the first substrate and the second substrate while contacting the pixel electrode and the common electrode. The first opening pattern and the second opening pattern each have a plurality of openings, the openings of the first opening pattern and the second opening pattern being alternately arranged parallel to each other. | 01-14-2010 |
20120281176 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first insulating substrate. A pixel electrode is formed on a top surface of the first insulating substrate. The pixel electrode has a first opening pattern at each pixel area. The pixel electrode is substantially rectangular in shape with first second long sides, and first and second short sides. The pixel electrode is divided into an upper region defined by the first and second long sides and first short side, and a lower region defined by the first and second long sides and second short side. A common electrode is formed on a bottom surface of a second insulating substrate, and has a second opening pattern at each pixel area. The first and second opening patterns each have a plurality of openings, the openings of the first opening pattern and the second opening pattern being alternately arranged parallel to each other. | 11-08-2012 |
20130278878 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first insulating substrate. A pixel electrode is formed on a top surface of the first insulating substrate. The pixel electrode has a first opening pattern at each pixel area. The pixel electrode is substantially rectangular in shape with first and second long sides, and first and second short sides. The pixel electrode is divided into an upper region defined by the first and second long sides and first short side, and a lower region defined by the first and second long sides and second short side. A common electrode is formed on a bottom surface of a second insulating substrate, and has a second opening pattern at each pixel area. The first and second opening patterns each have a plurality of openings, the openings of the first opening pattern and the second opening pattern being alternately arranged parallel to each other. | 10-24-2013 |
20140354936 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first insulating substrate. A pixel electrode is formed on a top surface of the first insulating substrate. The pixel electrode has a first opening pattern at each pixel area. The pixel electrode is substantially rectangular in shape with first and second long sides, and first and second short sides. The pixel electrode is divided into an upper region defined by the first and second long sides and first short side, and a lower region defined by the first and second long sides and second short side. A common electrode is formed on a bottom surface of a second insulating substrate, and has a second opening pattern at each pixel area. The first and second opening patterns each have a plurality of openings, the openings of the first opening pattern and the second opening pattern being alternately arranged parallel to each other. | 12-04-2014 |
Patent application number | Description | Published |
20080287573 | Ultra-Low Dielectrics Film for Copper Interconnect - The present invention relates to an ultra-low dielectric film for a copper interconnect, in particular, to an porous film prepared in such a manner that coating with an organic solution containing a polyalkyl silsesquioxane precursor or its copolymer as a matrix and acetylcyclodextrin nanoparticles as a template and then performing a sol-gel reaction and heat treatment at higher temperature. The present films may contain the template of up to 60 vol %, due to the use of acetylcyclodextrin, and have homogeneously distributed pores with the size of no more than 5 nm in the matrix. In addition, the present films exhibit a relatively low dielectric constant of about 1.5, and excellent interconnectivity between pores, so that they are considered a promising ultra-low dielectric film for a copper interconnect. | 11-20-2008 |
20110113465 | METHOD AND SYSTEM FOR IDENTIFYING SET-TOP BOX IN DOWNLOAD CONDITIONAL ACCESS SYSTEM - A set-top box identification method and system for identifying the set-top box which is currently connected to a Downloadable Conditional Access System (DCAS) based on set-top box manufacturer and/or set-top box model are provided. The set-top box identification method for the DCAS includes retrieving set-top box type information upon receipt of a set-top box information request transmitted by a DCAS headend, transmitting the set-top box information including the set-top box type information to the DCAS headend, and identifying, at the DCAS headend, the set-top box based on the set-top box information. The DCAS headend can acquire the information on the connected set-top box at any time and determine the manufacturer and model of the set-top box from the set-top box information. | 05-12-2011 |
20120070976 | METHODS OF MANUFACTURING SEMICONDUCTOR DEVICES - A method of manufacturing a semiconductor device includes forming a plurality of preliminary gate structures, forming a capping layer pattern on sidewalls of the plurality of preliminary gate structures, and forming a blocking layer on top surfaces of the plurality of preliminary gate structures and the capping layer pattern such that a void is formed therebetween. The method also includes removing the blocking layer and an upper portion of the capping layer pattern such that at least the upper sidewalls of the plurality of preliminary gate structures are exposed, and a lower portion of the capping layer pattern remains on lower sidewalls of the preliminary gate structures. The method further includes forming a conductive layer on at least the upper sidewalls of the plurality of preliminary gate structures, reacting the conductive layer with the preliminary gate structures, and forming an insulation layer having an air gap therein. | 03-22-2012 |
20120083077 | THREE DIMENSIONAL SEMICONDUCTOR MEMORY DEVICE AND METHOD OF FABRICATING THE SAME - Methods of forming vertical nonvolatile memory devices may include forming an electrically insulating layer, which includes a composite of a sacrificial layer sandwiched between first and second mold layers. An opening extends through the electrically insulating layer and exposes inner sidewalls of the first and second mold layers and the sacrificial layer. A sidewall of the opening may be lined with an electrically insulating protective layer and a first semiconductor layer may be formed on an inner sidewall of the electrically insulating protective layer within the opening. At least a portion of the sacrificial layer may then be selectively etched from between the first and second mold layers to thereby define a lateral recess therein, which exposes an outer sidewall of the electrically insulating protective layer. | 04-05-2012 |
20130065369 | THREE DIMENSIONAL SEMICONDUCTOR MEMORY DEVICE AND METHOD OF FABRICATING THE SAME - Methods of forming vertical nonvolatile memory devices may include forming an electrically insulating layer, which includes a composite of a sacrificial layer sandwiched between first and second mold layers. An opening extends through the electrically insulating layer and exposes inner sidewalls of the first and second mold layers and the sacrificial layer. A sidewall of the opening may be lined with an electrically insulating protective layer and a first semiconductor layer may be formed on an inner sidewall of the electrically insulating protective layer within the opening. At least a portion of the sacrificial layer may then be selectively etched from between the first and second mold layers to thereby define a lateral recess therein, which exposes an outer sidewall of the electrically insulating protective layer. | 03-14-2013 |
20140337878 | BROADCASTING RECEIVING APPARATUS AND CONTROL METHOD THEREOF - A broadcasting receiving apparatus includes a receiver having a plurality of tuners, a storage configured to store an image received by the receiver and a controller configured to control at least one of the tuners that does not tune to a currently viewed image out of the plurality of tuners, to alternately tune a plurality of channels for preset time, and controls the storage to store a channel information image corresponding to respective channels based on an image tuned to by the at least one tuner. | 11-13-2014 |