Kookmin University Industry Academy Cooperation Foundation Patent applications |
Patent application number | Title | Published |
20160114395 | METHOD FOR PREPARING ULTRATHIN SILVER NANOWIRES, AND TRANSPARENT CONDUCTIVE ELECTRODE FILM PRODUCT THEREOF - Disclosed herein is a method for preparing ultrathin silver nanowires. It may comprise (a) dissolving a silver salt (Ag salt) and a capping agent in a reducing solvent to give a mixture solution; (b) adding a halide compound to the mixture solution to yield a silver seed; (c) heating the mixture solution and then allowing the heated mixture solution to grow ultrathin silver nanowires from the silver seed under a pressure in an inert gas atmosphere; and (d) cooling the mixture solution in which the ultrathin silver nanowires have grown, followed by purification and separation to obtain the ultrathin silver nanowires. The silver nanowires are restrained from growing in thickness under a certain pressure, so that they are 30 nm or less in thickness and have a narrow diameter distribution, which leads to an improvement in aspect ratio. | 04-28-2016 |
20150368824 | WATER AND OIL ULTRA-REPELLENT STRUCTURE AND MANUFACTURING METHOD THEREFOR - Provided are a superhydrophobic/superoleophobic structure and a method of manufacturing the superhydrophobic/superoleophobic structure. The superhydrophobic/superoleophobic structure includes: a roughened primary structure formed on a surface of a metal base; nanopores formed in the roughened primary structure; and a hydrophobic/oleophobic layer formed on a surface of the roughened primary structure. The superhydrophobic/superoleophobic structure makes a large contact angle and a small sliding angle with both aqueous solutions and oily solutions, thereby having a high degree of superhydrophobicity/superoleophobicity. In addition, the superhydrophobic/superoleophobic structure may be formed on large or curved structural objects by the manufacturing method without using a special device. | 12-24-2015 |
20150014728 | Phosphor-matrix composite powder for minimizing light scattering and led structure including the same - This invention relates to a phosphor-matrix composite powder for minimizing light scattering and to an LED structure including the same, wherein the phosphor-matrix composite powder satisfying certain relation is prepared and the LED structure including the same is manufactured, thus minimizing light scattering and reflection and maximizing package efficiency. | 01-15-2015 |
20140340480 | APPARATUS AND METHOD FOR MANAGING DELAY IN RECEIVING THREE-DIMENSIONAL (3D) IMAGE - An apparatus for managing a delay in receiving a three-dimensional (3D) image may include an image receiver to receive a left image and a right image for 3D image synthesis, and a substitution content output unit to output substitution content during a waiting time caused by a difference between points in time at which the left image and the right image are received. | 11-20-2014 |
20140320597 | 3D BROADCAST SERVICE PROVIDING METHOD AND APPARATUS, AND 3D BROADCAST SERVICE REPRODUCTION METHOD AND APPARATUS FOR USING IMAGE OF ASYMMETRIC ASPECT RATIO - Disclosed are a method and apparatus for providing a three-dimensional (3D) broadcast service using images with asymmetric aspect ratios and a method and apparatus for reproducing a 3D broadcast service. The method of providing the 3D broadcast service includes adjusting a second viewpoint image to be composed with a first viewpoint image into a 3D form with respect to the first viewpoint image and the second viewpoint image for 3D broadcasting, encoding the first viewpoint image and the adjusted second viewpoint image, and generating a broadcast stream of the first viewpoint image and a broadcast stream of the second viewpoint image by multiplexing the first viewpoint image and the second viewpoint image. | 10-30-2014 |
20140307049 | APPARATUS AND METHOD FOR PROVIDING IMAGE, AND APPARATUS AND METHOD FOR PLAYING IMAGE - Provided is a video providing method and a video playing method for a three-dimensional (3D) video, and an apparatus for performing the methods. The video providing method may transmit a reconstruction mode for reconstructing a low-resolution additional video having lower resolution than a high-resolution reference video. | 10-16-2014 |
20140245371 | DEVICE AND METHOD FOR PROVIDING CONTENT BY ACCESSING CONTENT STREAM IN HYBRID 3D TV, AND DEVICE AND METHOD FOR REPRODUCING CONTENT - A content providing apparatus and method, and a content reproduction apparatus and method for accessing a content stream in a hybrid three-dimensional television (3DTV) are disclosed. The content providing apparatus may include a content stream generation unit to generate a first content stream corresponding to a reference image and a second content stream corresponding to a supplementary image, a descriptor generation unit to generate a descriptor associated with the first content stream and the second content stream, and a data transmission unit to transmit the first content stream, the second content stream, and the descriptor to a content reproduction apparatus. | 08-28-2014 |
20140145237 | SUBMINIATURE LED ELEMENT AND MANUFACTURING METHOD THEREOF - Disclosed is a subminiature LED element and a manufacturing method thereof. The subminiature LED element includes a first conductive semiconductor layer, an active layer formed on the first conductive semiconductor layer, and a semiconductor light emission element of a micrometer or nanometer size including a second conductive semiconductor layer formed on the active layer, wherein the outer circumference of the semiconductor light emission element is coated with an insulation film. The manufacturing method includes 1) forming a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer in order on a substrate, 2) etching the first conductive semiconductor layer, the active layer and the second conductive semiconductor layer so that the LED element has a diameter of a nanometer or micrometer level, and 3) forming an insulation film on the outer circumference of the first conductive semiconductor layer, the active layer and the second conductive semiconductor layer and removing the substrate. Therefore, a subminiature LED element of a nanometer or micrometer size may be effectively produced by combining a top-down manner and a bottom-up manner, and light emission efficiency may be improved by preventing a surface defect of the produced subminiature LED element. | 05-29-2014 |
20140124802 | FULL-COLOR LED DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - Disclosed is a full-color LED display device and a manufacturing method thereof. The full-color LED display device includes 1) a plurality of first electrodes formed on a substrate, 2) at least five subminiature blue LED elements attached to each unit pixel site formed on the first electrode, 3) an insulation layer formed on the substrate and the blue LED element, 4) a plurality of second electrodes formed on the insulation layer, and 5) a green color conversion layer and a red color conversion layer formed on the second electrode corresponding to partial unit pixel sites selected from the unit pixel sites. The manufacturing method of a full-color LED display device includes 1) forming a plurality of first electrodes on a substrate, 2) attaching at least five subminiature blue LED elements to each unit pixel site formed on the first electrode, 3) forming an insulation layer on the substrate, 4) forming a plurality of second electrodes on the insulation layer, and 5) successively patterning a green color conversion layer and a red color conversion layer on the second electrode corresponding to partial unit pixel sites selected from the unit pixel sites. | 05-08-2014 |
20140111175 | UNIVERSAL POWER SUPPLYING APPARATUS AND UNIVERSAL POWER SUPPLYING METHOD - There are provided a universal power supplying apparatus and a universal power supplying method that can be universally used for various types of devices having a variety of voltage and current levels of a driving power. The universal power supplying apparatus includes a power supplying unit that converts an input power into a driving power having a previously set voltage level and supplies the converted power, a power recognizing unit that outputs a recognized voltage having the previously set voltage level to an output terminal from which power is output to recognize connection of a device, and controls a power output of the power supplying unit according to a detected rated output, and a detecting unit that provides a detection voltage having the previously set voltage level to the output terminal. | 04-24-2014 |
20140100689 | SYSTEM FOR AUTO-EXCHANGING OF ELECTRIC VEHICLE BATTERY - A system for automatically exchanging a battery of an electric vehicle, the system including a horizontal frame of a predetermined area formed at a location higher than the electric vehicle; a plurality of battery stands formed on a bottom surface of the horizontal frame at a predetermined interval; a pair of fixed guide rails arranged and installed on front and rear sides or left and right sides of the horizontal frame, respectively; a variable guide rail adapted to move horizontally along X-axis or Y-axis along the fixed guide rails; a movable rail adapted to move horizontally along Y-axis or X-axis along the variable guide rail and ascend/descend vertically; and a grasping means installed on a lower end of the movable rail and adapted to pick up a battery of the electric vehicle or a battery seated on the battery stand and exchange each other. | 04-10-2014 |
20140084293 | THIN FILM TRANSISTOR ARRAY PANEL AND METHOD OF MANUFACTURING THE SAME - A thin film transistor array panel includes a substrate, a gate electrode on the substrate, a gate insulating layer on the gate electrode, a semiconductor layer on the gate insulating layer, a source electrode and a drain electrode on the semiconductor layer and facing each other, a floating metal layer between the source electrode and the drain electrode, and a passivation layer covering the source electrode, the drain electrode, and the floating metal layer. The floating metal layer is electrically floating. | 03-27-2014 |
20140002019 | BATTERY EXCHANGING-TYPE CHARGING STATION SYSTEM FOR ELECTRIC VEHICLE | 01-02-2014 |
20130343842 | SYSTEM FOR AUTO-EXCHANGING OF ELECTRIC VEHICLE BATTERY - A system for automatically exchanging a battery of an electric vehicle, including a horizontal frame of a predetermined area formed at a location higher than the electric vehicle; a plurality of battery stands formed on a bottom surface of the horizontal frame at a predetermined interval; a pair of fixed guide rails arranged and installed on front and rear sides or left and right sides of the horizontal frame, respectively; a variable guide rail adapted to move horizontally along X-axis or Y-axis along the fixed guide rails; a movable rail adapted to move horizontally along Y-axis or X-axis along the variable guide rail and ascend/descend vertically; and a grasping part installed on a lower end of the movable rail and adapted to pick up a battery of the electric vehicle or a battery seated on the battery stand and exchange each other. | 12-26-2013 |
20130242543 | MULTI-PACKAGE WHITE LED DEVICE - Disclosed is a white LED device using a multi-package. The white LED device maximizes the efficiency of a green LED in the yellow gap to minimize a deviation in performance between the other color chips, in comparison with conventional white LED devices using RGB multi-chips. In addition, deviations in temperature, current and droop characteristics between the chips can be minimized, contributing to the simplification of a driving circuit. Therefore, the white LED device is suitable for commercialization. Furthermore, the white LED device has a higher color rendering index (R | 09-19-2013 |
20130197803 | ELECTRIC BUS AND ELECTRIC BUS BATTERY EXCHANGE SYSTEM - Provided is an electric bus and an electric bus battery exchange system. The electric bus according to the present invention includes: a battery exchange hole disposed on top of the electric bus for exchanging a discharged battery for a charged battery; a front camera unit taking front images in the process of entering the battery exchange station for battery exchange; a communication unit for receiving position information of the battery exchange unit from the battery exchange station; a route output unit outputting a predicted driving route for reaching a swapping point below the battery exchange unit based on the front images taken by the front camera unit and the position information of the battery exchange unit; and a display unit displaying the predicted driving route outputted by the route output unit, superimposed on the front images taken by the front camera unit. | 08-01-2013 |
20130192060 | ELECTRIC BUS BATTERY EXCHANGE STATION - Provided is an electric bus battery exchange station. The electric bus battery exchange station according to the present invention includes: an exchange station body having a battery exchange, wherein said battery exchange unit is projected out to be connected with a hole of; an imaging unit taking images of the electric bus moving toward said exchange station body; an entry process storing unit storing entry process information needed in order that the electric bus is positioned exactly below the battery exchange unit; an entry information output unit comparing an entry state of the electric bus obtained from images taken by said imaging unit with the entry information stored, and outputting entry information for modifying the entry state of the electric bus to make equal to said entry process information; and an entry information providing unit providing information outputted by said entry information output unit to the electric bus. | 08-01-2013 |
20120306445 | BATTERY EXCHANGING METHOD FOR ELECTRIC VEHICLE - Provided is a battery exchange method for an electric vehicle. The battery exchange method includes (a) opening a protection cover of a battery mounting module installed at an upper portion of the electric vehicle, and transmitting an open signal to a battery charge station; (b) releasing a locking unit of a pre-mounted battery, and transmitting an unlocking signal to the battery charge station; (c) determining and storing a mounting location of the battery using an image sensor; (d) controlling movements and operations of a battery replacing robot when the unlocking signal is confirmed, and ejecting the pre-mounted battery from a battery seating base of the battery mounting module; (e) controlling movements and operations of the battery replacing robot to move a prepared fully charged battery into the battery mounting module, and mounting the fully charged battery on the battery seating base in the battery charge station. | 12-06-2012 |
20120153686 | HORIZONTAL FOLDING TYPE SUNROOF APPARATUS - Provided is a sunroof apparatus of the present invention including a sunroof panel that divides a roof panel, except for left and right side fillers of the roof of a vehicle, into a front panel, a middle panel, and a rear panel, and link units composed of an interlink that moves middle panel by the operation of a driving link moving rear panel and a driven link that moves front panel by the operation of interlink, such that all of the portions, except for left and right side fillers of the roof of the vehicle are completely opened while rear panel, middle panel, and front panel are folded in several steps and horizontally stacked when the sunroof is opened, such that open feel, which is maximized like a convertible vehicle. | 06-21-2012 |
20120153685 | SUNROOF MOUNTING DEVICE - A sunroof mounting device is provided, which includes guide rails of which the entire width is reduced by a pair of first and second guiders arranged up and down such that a moving-connecting portion connected to a sunroof is vertically combined in an open space from a side, such that the space opened by the sunroof is not covered by guide rails and improved open feel. | 06-21-2012 |
20120138905 | FLEXIBLE ORGANIC MEMORY DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a flexible organic memory device and a method of manufacturing the same. The flexible organic memory device comprises a flexible substrate. A control gate electrode is disposed on the flexible substrate. A blocking organic insulating layer is disposed on the control gate electrode. A charge trapping layer is disposed on the blocking organic insulating layer, and includes a plurality of nanoparticles. A tunneling organic insulating layer is disposed on the charge trapping layer. An organic semiconductor layer is disposed on the tunneling organic insulating layer. | 06-07-2012 |
20110242863 | PATCH ANTENNA AND RECTENNA USING THE SAME - A patch antenna for receiving high frequency wireless signal and a rectenna using the same, more particularly, an impedance-matched patch antenna adopting a slot capacitive coupling structure and a rectenna capable of generating electrical energy from the wireless signals having different frequency band. A rectenna for receiving an A.C. wireless signal carrying electrical energy and converting the wireless signal into a D.C. electrical energy, is comprised of: a patch antenna for receiving the wireless signal comprising an dielectric substrate, a patch that is formed at the upper area of the surface of the dielectric substrate and providing the first frequency response characteristics, a ground plane formed on the other surface of the dielectric substrate, and an impedance matching means providing the second frequency response characteristics; and a rectifying unit that converts the wireless signal, received via the patch antenna, into a D.C. electrical energy by rectifying the wireless signal. | 10-06-2011 |
20110241624 | HYSTERESIS SWITCH AND ELECTRICITY CHARGING MODULE USING THE SAME - An electricity charging module using a hysteresis switch includes a storage capacitor that preliminarily stores electrical energy supplied from an external power source, a charging unit for preventing over-charging or over-discharging through monitoring of the charging state of the rechargeable battery, and a hysteresis switch that has a larger turn-on voltage level than the turn-off voltage level, and located between the storage capacitor and the charging unit, thereby electrically connecting or disconnecting the storage capacitor with the charging unit. The hysteresis switch includes a first voltage dividing resistor pair that divides the voltage of an external power source by the resistance ratio of the first voltage dividing resistor pair, a second voltage dividing resistor pair whose one end is connected to a positive electrode terminal of the external power source, a first switching device whose control terminal is connected to the junction of the voltage dividing resistors of the second voltage dividing resistor pair, a second switching device whose control terminal is connected to the junction of the voltage dividing resistors of the first voltage dividing resistor pair, and a resistor that is connected to the junction between the first electrode terminal of the second switching device and the junction of the voltage dividing resistors of the first voltage dividing resistor pair. | 10-06-2011 |
20110097730 | Recombinant Sars-Cov nsp12 and the Use of Thereof and the Method for Producing it - The present invention relates to a recombinant severe acute respiratory syndrome coronavirus (SARS-CoV) non-structural protein (nsp) 12 with an RNA polymerase activity, its expression vector, its preparation method, and its use. According to the present invention, a soluble recombinant SARS-CoV nsp12 with an RdRp activity of initiating SARS-CoV genome synthesis can be over-expressed in the transformed host cells, and conveniently purified with high purity. An in vitro replication system important for studying SARS-CoV replication can be established with the purified recombinant SARS-CoV nsp12. SARS-CoV nsp12 produced by the present invention can also be used as a target for the development of anti-viral agents against SARS-CoV. In addition, materials inhibiting RNA-dependent RNA polymerase (RdRp) activity of nsp12 can be screened efficiently according to the present invention as the optimal conditions for the RdRp assay with SARS-CoV nsp12 were found. | 04-28-2011 |
20110049929 | SLIDING ROOF FOR CONVERTIBLE VEHICLE - A sliding roof for a convertible vehicle may include front, middle, and rear roofs, guide rails for sliding the front, middle, and rear roofs, and lift links for lifting the front and rear roofs such that the guide rail of the middle roof slides toward the guide rail of the rear roof and packaged adjacent to the rear of the vehicle. The sliding roof may include a latch which fixes a side pillar of the front roof to a windshield frame during operation of a sunroof and fixes the side pillar to the sunroof during packaging of the roof, thus ensuring the space of a rear seat of the vehicle. | 03-03-2011 |
20110049928 | SLIDING GUIDE RAIL FOR CONVERTIBLE VEHICLE - A sliding guide rail for a convertible vehicle may include a front rail, a middle rail into which the front rail slides to enter, a rear rail into which the middle rail slides to enter, a wire screw for supplying the sliding power to the front rail, a rolling member for facilitating the sliding movement, and locking means for locking the front rail to the middle rail and the middle rail to the rear rail, thus providing a sliding mechanism by a single driving device. | 03-03-2011 |
20100240208 | FLOATING GATE HAVING MULTIPLE CHARGE STORING LAYERS, METHOD OF FABRICATING THE FLOATING GATE, NON-VOLATILE MEMORY DEVICE USING THE SAME, AND FABRICATING METHOD THEREOF - Provided is a floating gate having multiple charge storage layers, a non-volatile memory device using the same, and a method of fabricating the floating gate and the non-volatile memory device, in which the multiple charge storage layers using metallic/semiconducting nano-particles is formed to thereby enhance a charge storage capacity of the memory device. The floating gate includes a polymer electrolytic film which is deposited on a tunneling oxide film, and is formed of at least one stage in which at least one thin film is deposited on each stage, and at least one metal nano-particle layer which is self-assembled on the upper surface of each stage of the polymer electrolytic film and on which a number of nano-particles for trapping charges are formed. The floating gate is made by self-assembling the nano-particles on the polymer electrolytic film, and thus can be fabricated without undergoing a heat treatment process at high temperature. | 09-23-2010 |
20090138444 | METHOD OF SEARCHING METADATA SERVERS - The present invention relates to a method of searching a metadata server that searches ubiquitous sensor network (USN) metadata servers in a distributed environment. The present invention stores location information on the metadata servers by using a location-server cluster and searches a location of a metadata server in which a specified resource metadata is stored, during a metadata searching request by a client. Accordingly, the present invention can provide a simple and consistent interface to the client using the metadata management servers in terms of the metadata servers and can improve the clarity of service development and can reduce the entire development costs and the maintenance and repair costs. | 05-28-2009 |