Patent application number | Description | Published |
20090041231 | METHOD AND APPARATUS FOR PARTIALLY ENCRYPTING SPEECH PACKETS - Provided are a method and apparatus for partially encrypting speech packets, more specifically, a method and apparatus for selecting partial encryption sets used for a partial encryption technique in which compressed speech packets are partially encrypted to obtain the same effect as a full encryption technique. The method includes the steps of: (a) compressing respective speech files stored in a large-capacity speech database into the speech packets using a speech codec; (b) measuring single-bit loss distortion and sequential-bit loss distortion of the speech packets compressed in step (a); (c) generating standards for selecting partial encryption sets based on the measurement results of the single-bit loss distortion and sequential-bit loss distortion; (d) selecting the partial encryption sets according to the generated standards; and (e) encrypting the speech packets using the selected partial encryption sets. In this method, distortion sensitivity caused by loss of a speech packet can be exactly measured in various embodiments so that partial encryption sets can be efficiently and securely selected based on the measurement result. As a result, by reducing the amount of encryption operation, encryption services can be applied in various wireless communication environments. | 02-12-2009 |
20090063602 | DEVICE AND METHOD FOR PREVENTING WIRETAPPING ON POWER LINE - Provided are a device and method for detecting a wiretapping device using a power line and nullifying the wiretapping device. More particularly, a device and method for preventing wiretapping, which sense a wiretapping signal from a power line and transmit a noise signal to the power line, are provided. The device for preventing wiretapping includes: a signal detector for receiving signals from a power line and filtering the received signals in at least one frequency band; a controller for receiving the filtered signal from the signal detector and determining whether a wiretapping signal exists; and a noise signal output unit for transmitting a noise signal to the power line according to whether or not the wiretapping signal exists. The device can detect wiretapping and simultaneously nullify the function of the wiretapping device by detecting a wiretapping signal from a power line and transmitting a noise signal having a frequency corresponding to a frequency band of the wiretapping signal. | 03-05-2009 |
20120012761 | HIGH-POWER PULSE-SIGNAL RADIATION SYSTEM - Provided is a high-power pulse-signal radiation system. The system includes a pulse generating unit, a pulse radiation unit, a remote control unit, and a photoelectric conversion unit. The pulse generating unit use a DC power supply as a primary source, generate a pulse signal, and transmit a pulse signal to a radiation unit of an antenna through a high power coaxial cable. The pulse radiation unit receives the pulse signal generated by the pulse generating unit and radiates pulse energy corresponding to the pulse signal in a space. The remote control unit transmits an electric control signal required for controlling operation of the pulse generating unit. | 01-19-2012 |
20120086528 | HIGH-VOLTAGE WIDEBAND PULSE ATTENUATOR HAVING ATTENUATION VALUE SELF-CORRECTION FUNCTION - Provided is a high voltage wideband pulse attenuator having an attenuation value self-correction function. The high voltage wideband pulse attenuator includes an input unit for receiving a pulse signal, a T-shaped attenuator circuit for attenuating the pulse signal, an output unit for outputting the pulse signal attenuated by the attenuator circuit, and a capacitive divider circuit for dividing a voltage of the pulse signal input through the input unit or the pulse signal attenuated by the attenuator circuit. Using the capacitive divider circuit, the high voltage wideband pulse attenuator can easily measure an error of an attenuation value caused by a change in the resistance of T-shaped array resistor units in a process of attenuating an input pulse signal of tens of kV or more. In particular, the pulse attenuator can measure its performance by itself without test assisting devices, and check a state of an attenuated pulse in real-time. | 04-12-2012 |
20120268855 | SURGE PROTECTION APPARATUS AND METHOD USING THE SAME - A surge protection apparatus is provided. The surge protection apparatus includes a non-linear element unit, a signal generation unit, and a switching element unit. The non-linear element unit enables an electrical surge to pass therethrough by rapidly decreasing resistance of the non-linear element unit when the difference in voltage between two ends of the non-linear element unit is equal to or greater than a predetermined value. The signal generation unit generates a control signal in response to current which passes through the non-linear element unit. The switching element unit switches the status thereof in response to the control signal. | 10-25-2012 |
20120289083 | HIGH-VOLTAGE COAXIAL CABLE AND CONNECTOR - A high-voltage coaxial cable and a connector are provided. The connector includes inner connector electrode, a connector dielectric enclosing an inner connector electrode, and an external connector housing. The inside electrode of a connector is provided with a tapped hole in one side thereof. The tapped hole corresponds to the threaded single core of a high-voltage coaxial cable. The inside electrode of a connector is selectively assembled with and separated from the high-voltage coaxial cable by selectively screwing the threaded single core into and away from the tapped hole. The connector dielectric is formed along the circumferential surface of the inside electrode, and is provided with a coupling portion. The coupling portion couples the connector with another connector, and is formed to a preset depth in a corrugated shape. The connector housing is formed in a shape that surrounds the connector dielectric. | 11-15-2012 |
20120299669 | HIGH-VOLTAGE WIDEBAND PULSE LOAD - A high-voltage wideband pulse load is provided. The high-voltage wideband pulse load includes an internal line, a dielectric substance, and an external housing. The internal line includes input terminal, connection electrode and a rod resistor. The resistance of the internal line linearly increases along the moving direction of an incoming pulse by the rod resistor. The dielectric substance is coupled to the internal line in a coaxial structure which covers the exterior of the internal line, and is configured to have a shape of a non-linearly decreasing external diameter along the moving direction so that impedance linearly decreases along the moving direction in contrast with the resistance of the internal line. The external housing is coupled to the dielectric substance in a coaxial structure which covers the exterior of the dielectric substance, and is formed of metal. | 11-29-2012 |
20140152811 | APPARATUS AND METHOD FOR DETECTING SIGNALS - A signal detection apparatus includes a signal reception unit, an Analog to Digital (A/D) signal processing unit, and a user interface unit. The signal reception unit receives an external signal. The A/D signal processing unit determines whether the received signal is an abnormal signal based on a plurality of signal profiles having different signal characteristics, and obtains the abnormal signal if, as a result of the determination, it is determined that the received signal is the abnormal signal. The user interface unit displays the abnormal signal. | 06-05-2014 |
20150145414 | MICROWAVE PULSE GENERATOR WITH VARIABLE FREQUENCY EMISSION - A variable frequency microwave pulse generator that includes a high voltage charger for charging with a high voltage, a high pressure gas tank for supplying insulation gas, and an electrode discharge unit. The electrode discharge unit includes a case, an accommodation section defined inside the case, and a pair of electrode sections disposed at one side and the other side of the accommodation section so as to face each other. The pair of electrode sections is spaced apart from each other to define a spark gap therebetween where the insulation gas supplied from the high pressure gas tank is loaded. An annular resonance recess is defined at the central portion of one electrode section of the pair of electrode sections, the depth of the resonance recess being variable in response to an adjustment knob disposed on the case being manipulated. | 05-28-2015 |
Patent application number | Description | Published |
20140303616 | HIGH-FREQUENCY HEAT THERAPY ELECTRODE DEVICE EQUIPPED WITH FLEXIBLE TUBE - The present invention relates to a high-frequency heat therapy electrode device, and one embodiment of the present invention provides a high-frequency heat therapy electrode device provided with an electrode needle disposed in front of a handle, which necrotizes a lesion site by cauterizing the site by means of the high-frequency heat generated from the electrode needle. The high-frequency heat therapy electrode device equipped with a flexible tube is characterized in that: a flexible tube of a prescribed hardness, but that can be easily bent and deformed, is disposed between the handle and the electrode needle such that the needle can be inserted, along the working channel of an endoscope, up to a lesion site and the electrode needle is provided with a cooling line in the inside thereof. | 10-09-2014 |
20150133916 | Overlapping Bipolar Electrode for High-Frequency Heat Treatment - The present invention relates to a bipolar electrode, and more particularly, to an electrode for high-frequency heat treatment capable of cauterizing and necrotizing lesions by heating the lesions, such as a cancer tissue of a body organ, with a high frequency, in particular, an overlapping bipolar electrode for high-frequency heat treatment capable of cauterizing lesions of tubular organs, such as a blood vessel, with a minimum invasion. | 05-14-2015 |
20150133927 | Combined Cauterization and Stent Operation Device - The invention relates to a stent provided with cauterization system. A stent operating apparatus in which a stent moves to a lesion of a tubular tissue through a plurality of pipe members and performs an operation includes: a bipolar electrode for cauterization configured to be disposed at an operation end of the pipe member to cauterize the lesion; and a high frequency generator configured to be connected to the bipolar electrode for cauterization to allow the bipolar electrode for cauterization radiate a high frequency current, whereby the lesion may be cauterized and necrotized by the bipolar electrode of a tip portion of a moving pipe charged with the stent before or after the stent is operated on the lesion, thereby effectively preventing a re-stricture from occurring at the lesion operated by the stent. | 05-14-2015 |
Patent application number | Description | Published |
20140307727 | APPARATUS AND METHOD FOR SYNCHRONIZATION BETWEEN DEVICES - An apparatus and method for mediating synchronization between devices are provided. The apparatus includes a short-distance communication section for implementing wireless communication, and a control section that transmits first synchronization request information to a first device through the short-distance communication section, receives device identification information from the first device, and transmits second synchronization request information to a second device after confirming the first device as a master device. | 10-16-2014 |
20140327955 | REFLECTIVE TYPE DISPLAY DEVICE - A reflective type display device is provided, and includes a drive layer that includes pigment particles containing at least two colors of pigments, and transparent electrodes provided on a top surface and a bottom surface of drive layer, respectively, so as to drive the pigment particles. The drive layer includes transparent particles provided among the pigment particles. In the reflective type display device, the pigment particles are arranged among the transparent particles that form the drive layer and a lighting device is disposed on the bottom surface of the drive layer. Thus, uniform lighting may be provided even in a dark environment regardless of the size of the display device. | 11-06-2014 |
20140333552 | PORTABLE TERMINAL HAVING COVER DEVICE - A portable terminal provided with a cover is provided. The portable terminal includes a main body including an input/output unit; a cover attachable to and detachable from the main body, and provided with an output unit; a first sensor that detects folding/unfolding of the cover; and a controller that controls an output of the input/output unit or the output unit according to a detection signal of the first sensor. | 11-13-2014 |
20140376192 | PROTECTING COVER FOR ELECTRONIC DEVICE - A protecting cover for an electronic device is provided, the protecting cover including a front cover portion positioned on a front surface of the electronic device, a back cover portion connected with the front cover portion and positioned on a back surface of the electronic device, an auxiliary display unit provided on the front cover portion, and a module configured to control transmission and reception of data and power supply depending on opening and closing of the front cover portion. | 12-25-2014 |
20150018045 | COVER DEVICE AND PORTABLE TERMINAL HAVING THE SAME - A cover device is disclosed, and includes a cover member having an output unit on a surface thereof, and rotatably coupled with a touch panel; and an electrostatic capacitance generating unit which varies electrostatic capacitance at a touch position of the touch panel according to a touch on the output unit. A cover device also includes an output unit; and a transparent conductive film member provided on front and rear surfaces of the output unit, such that the transparent conductive film member is folded and provided on the front and rear surfaces of the output unit, so as to generate electrostatic capacitance at the same position. | 01-15-2015 |
Patent application number | Description | Published |
20100315686 | Host apparatus and control method thereof, and image reading apparatus controlled by host apparatus - A method for controlling the host apparatus includes searching for at least one image reading apparatus being connected to the host apparatus; displaying a list of image reading apparatuses using the first information of the searched at least one image reading apparatus; selecting one of the at least image reading apparatus from the displayed list of image reading apparatuses; displaying a user interface (UI) for selecting a scanning option which includes the second information of the selected image reading apparatus using the second information corresponding to the selected image reading apparatus; and controlling the selected image reading apparatus to perform a scanning operation according to the scanning option which is input through the UI for selecting a scanning option. Accordingly, a plurality of image reading apparatuses are controlled by a single universal driver without the need of installing driver programs for each of the image reading apparatuses. | 12-16-2010 |
20110026060 | Hose device, image reading apparatus, and method of controlling image reading apparatus using host device - A host device, an image reading apparatus, and a method of controlling the image reading apparatus using the host device are provided. A method of controlling an image reading apparatus using a host device includes receiving input of at least one scanning function for an image reading apparatus to be used, searching for at least one image reading apparatus connected to the host device, extracting at least one image reading apparatus supporting the at least one scanning function based on the search result, displaying a list of the extracted at least one image reading apparatus, and displaying a driver user interface (UI) corresponding to a selected image reading apparatus when an image reading apparatus to be used is selected from the list. Therefore, the user may select a desired image reading apparatus with greater ease. | 02-03-2011 |
20110026061 | Host device with universal image scanning device driver and driver management method thereof - A host device and a driver management method of the host device are provided. The driver management method of the host device includes searching for at least one image scanning device connected to the host device, displaying a list of the at least one image scanning device found as a result of searching, selecting one of the at least one image scanning device from the displayed list, generating a user-specified driver for the selected image scanning device, and adding the generated user-specified driver. Therefore, it is possible to simplify the use of a universal image scanning device driver. | 02-03-2011 |
20110043841 | Host apparatus and method to share favorite image reading apparatuses thereof - A host apparatus and a method to share favorite image reading apparatuses thereof are provided. The method to share favorite image reading apparatuses of a host apparatus includes registering at least one of searched image reading apparatuses to a list of favorite image reading apparatuses; selecting at least one of the registered favorite image reading apparatuses to be shared; activating a sharing function to share the selected favorite image reading apparatus; transmitting the list of favorite image reading apparatuses to or receiving a list of favorite image reading apparatuses from another host apparatus of which the sharing function is activated. Therefore, a universal driver may share a list of favorite image reading apparatuses. | 02-24-2011 |
20110305621 | Method Of Continuously Producing Tetrafluorosilane By Using Various Fluorinated Materials, Amorphous Silica And Sulfuric Acid - The present invention relates to a method of continuously producing tetrafluorosilane (SiF | 12-15-2011 |
20120086965 | Image forming apparatus, host apparatus and job performing method thereof - An imaging forming apparatus, host apparatus, and job performing method thereof, the job performing method using target setup in an image forming apparatus supporting at least one function for targeting one host apparatus of a plurality of host apparatuses connected to the image forming apparatus via a network, the method including: receiving, by the host apparatus, input of a user generating a job event using a function by target setup supported by the image forming apparatus; transmitting, by the host apparatus, a use request message corresponding to the job event to the image forming apparatus; receiving, by the host apparatus, a message about whether to make a registration including whether a job targeting the host apparatus is registered in response to the use request message from the image forming apparatus; and displaying whether the job event is registered based on the received message about whether to make the registration. | 04-12-2012 |
20140118766 | HOST DEVICE, DRIVING METHOD OF THE HOST DEVICE, IMAGE FORMING DEVICE, IMAGE FORMING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - There are provided a host device, a driving method of the host device, an image forming device, an image forming method, and a computer-readable recording medium. The host device includes a monitoring unit to monitor whether an image forming job is executed, a controller to control the host device to request an image forming device to send job table information for the image forming job, to receive the job table information from the image forming device, and to transmit a user's account information input to an interface window and job information regarding the image forming job to the image forming device, and an interface unit to request and receive the job table information, to transmit the user's account information and the job information, and to display the interface window, such that the controller requests the job table information according to the result of the monitoring by the monitoring unit. | 05-01-2014 |
20140355048 | SYSTEM AND METHOD OF MOBILE PRINTING USING NEAR FIELD COMMUNICATION - A method of mobile printing using near field communication (NFC) includes executing a mobile printing application installed in a mobile device; setting a wireless connection for data transmission between the mobile device and an image forming apparatus by performing NFC tagging on the image forming apparatus with the mobile device; and automatically performing a function corresponding to a status of the mobile printing application when NFC tagging is performed. | 12-04-2014 |
20150248265 | SYSTEM AND METHOD OF MOBILE PRINTING USING NEAR FIELD COMMUNICATION - A method of mobile printing using near field communication (NFC) includes executing a mobile printing application installed in a mobile device; setting a wireless connection for data transmission between the mobile device and an image forming apparatus by performing NFC tagging on the image forming apparatus with the mobile device; and automatically performing a function corresponding to a status of the mobile printing application when NFC tagging is performed. | 09-03-2015 |
Patent application number | Description | Published |
20150329972 | PHOSPHATE SOLUTION FOR ZINC OR ZINC-BASED ALLOY PLATED STEEL SHEET, AND ZINC OR ZINC-BASED ALLOY PLATED STEEL SHEET USING THE SAME - A phosphate solution for a zinc or zinc-based alloy plated steel sheet, and a zinc or zinc-based alloy plated steel sheet using the same are provided. The phosphate solution for a zinc or zinc-based alloy plated steel sheet contains a molybdenum (Mo) ion, a calcium (Ca) ion and a phosphate ion. A zinc or zinc-based alloy plated steel sheet includes a base steel sheet, a zinc-based or zinc alloy-based plating layer formed on the base steel sheet, and a phosphate film formed on the zinc-based or zinc alloy-based plating layer. The phosphate film contains a molybdenum compound, Ca and a phosphate. A pitting phenomenon occurring at the time of treating a steel sheet with a phosphate is prevented, and excellent corrosion resistance is exhibited on a phosphate film. | 11-19-2015 |
20150345008 | HEATING APPARATUS, AND COATING DEVICE COMPRISING SAME - Provided are a heating apparatus configured to generate a coating vapor for coating a base metal (steel sheet) which is continuously transferred in a vacuum state, and a coating device including the heating apparatus. A coating material to be converted into a coating vapor is initially supplied in a solid phase (solid state) and then phase changed into a liquid (liquid state). Thereafter, the liquid-state coating material is supplied to a heating unit, thereby preventing problems such as equipment erosion occurring when a liquid coating material is directly supplied and preventing the decrease of the temperature of a coating material when a solid wire is supplied as a coating material. As a result, the energy efficiency of the heating apparatus may be maximized. | 12-03-2015 |
20150352812 | ZN-MG ALLOY PLATED STEEL SHEET, AND METHOD FOR MANUFACTURING SAME - Provided are a Zn—Mg alloy plated steel sheet and a method for manufacturing same. The Zn—Mg alloy plated steel sheet comprises a base steel sheet and a Zn—Mg plating layer formed on the base steel sheet, wherein the content of Mg in the Zn—Mg plating layer is 8 weight % or less (provided that 0 weight % is excluded), and the Zn—Mg plating layer is a compound phase of Zn and Mg2Zn11. According to the present invention, provided are a Zn—Mg alloy plated steel sheet and a method for manufacturing the same, wherein the Zn—Mg alloy plated steel sheet has excellent corrosion resistance, high adhesion, and superior surface quality of metallic luster. | 12-10-2015 |
Patent application number | Description | Published |
20130186339 | Dry Coating Apparatus - Provided is a dry coating apparatus for coating a coating material, i.e., deposition vapor (metal vapor) on a substrate (a steel strip). The dry coating apparatus includes a coating part disposed in a vacuum to coat deposition vapor generated through heating and evaporation of a supplied coating material onto a proceeding object to be coated and a heating source disposed in an atmosphere to heat and levitate the coating material in the coating part. | 07-25-2013 |
20130186524 | Al PLATING LAYER/Al-Mg PLATING LAYER MULTI-LAYERED STRUCTURE ALLOY PLATED STEEL SHEET HAVING EXCELLENT PLATING ADHESIVENESS AND CORROSION RESISTANCE, AND METHOD OF MANUFACTURING THE SAME - Provided is an aluminum (Al) plating layer/aluminum (Al)-magnesium (Mg) plating layer multi-layered structure alloy plated steel sheet having excellent plating adhesiveness and corrosion resistance, which is characterized in that the Al—Mg plating layer is formed on the Al plating layer. According to the present invention, corrosion resistance of an Al plated steel sheet is further improved by forming an Al—Mg alloy plating layer, and plating adhesiveness between plating layer and underlying steel sheet may be improved as well as excellent stability and practicality being realized. | 07-25-2013 |
20130199447 | Continuous Coating Apparatus - Provided is a continuous coating apparatus which can supply a liquid coating material (a molten metal) to a levitation-heating space through various paths, and can easily control a supply flow rate of the liquid coating material, and has a simplified structure. The continuous coating apparatus includes: a vacuum chamber unit through which a coating target passes; a levitation-heating unit disposed in the vacuum chamber unit and generating an evaporation vapor by vaporizing a supplied coating material; and a liquid coating material supply unit connected so that a liquid coating material is supplied to at least one of an upper portion and a lower portion of the levitation-heating unit, and communicating with the outside of the vacuum chamber unit. | 08-08-2013 |
20140011048 | FILM FORMATION COMPOSITION FOR PREVENTING BLACKENING OF STEEL SHEET, AND STEEL SHEET HAVING FILM FORMED BY COMPOSITION - Provided is a film formation composition for improving the blackening of the surface of a steel sheet, particularly, the surface of a steel sheet containing Mg on the surface thereof, such as a Mg sheet, a plated steel sheet having a plated layer comprising Mg, and the like, a steel sheet comprising a film formed by the composition, and a method for forming the film. Provided are a film formation composition for preventing the blackening of the surface of the steel sheet, comprising: 2.5-7.5 parts by weight of a water-soluble phenoxy resin; 0.1-0.5 parts by weight of a fluorometal acid; 0.1-0.5 parts by weight of a metal compound; and 1-5 parts by weight of a cross-linking agent. | 01-09-2014 |
20150030875 | ZN-MG ALLOY-COATED STEEL SHEET WITH EXCELLENT BLACKENING RESISTANCE AND EXCELLENT ADHESION AND METHOD FOR MANUFACTURING SAME - The present invention relates to a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent coating adhesion and to a method for manufacturing same. Provided are a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion and a method for manufacturing same, the steel sheet comprising: a substrate steel sheet; a Zn—Fe intermetallic compound layer formed on the substrate steel sheet; a first Zn—Mg coating layer formed on the Zn—Fe intermetallic compound layer and comprising a Zn—Fe intermetallic compound in which the content of Zn is 95% by weight or higher; a second Zn—Mg coating layer formed on the first Zn—Mg coating layer and comprising a Zn—Mg intermetallic compound in which the content of Zn is 80 to 95% by weight; and an oxide film formed on the second Zn—Mg coating layer and comprising a metallic oxide. | 01-29-2015 |
Patent application number | Description | Published |
20130001563 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An OLED device includes a thin film transistor including an active layer, a gate bottom electrode, a gate top electrode, an insulating layer covering the gate electrode, and a source electrode and a drain electrode on the insulating layer contacting the active layer; an organic light-emitting device electrically connected to the thin film transistor and including a sequentially stacked pixel electrode, on the same layer as the gate bottom electrode, emissive layer, and, opposite electrode, a pad bottom electrode on the same layer as the gate bottom electrode and a pad top electrode pattern on the same layer as the gate top electrode, the pad top electrode pattern including openings exposing the pad bottom electrode, and an insulation pattern covering the upper surface of the pad top electrode pattern on the same layer as the insulating layer, on an upper surface of the pad bottom electrode. | 01-03-2013 |
20130037817 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display device includes a plurality of sub-pixels each comprising a light-emitting portion, a thin film transistor (TFT), and a capacitor, each of the sub-pixels emitting a different color, wherein the capacitor of at least one of the plurality of sub-pixels extends into at least one adjacent one of the sub-pixels. | 02-14-2013 |
20130292651 | ORGANIC LIGHT EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - The organic light emitting display apparatus includes a substrate; a buffer film on the substrate, the buffer film including a via hole, a thin film transistor (TFT) on the buffer film, the TFT including an active layer, a gate electrode, a source electrode, and a drain electrode, a first electrode electrically connected to one of the source electrode and the drain electrode and corresponding to the via hole; an intermediate layer on the first electrode, the intermediate layer including an organic emission layer, and a second electrode on the intermediate layer. | 11-07-2013 |
20140145171 | ORGANIC LIGHT EMITTING DIODE DISPLAY - Disclosed is an organic light emitting diode display including: a pixel unit including an organic light emitting diode for displaying an image; and a periphery surrounding the pixel unit. The periphery includes a gate common voltage line formed on the substrate and receiving a common voltage from an external circuit, an interlayer insulating layer covering the gate common voltage line and including a common voltage contact hole for exposing a part of the gate common voltage line, a data common voltage line formed on the interlayer insulating layer and contacting the gate common voltage line through the common voltage contact hole, and a plurality of protrusions provided in the common voltage contact hole and formed on the substrate. | 05-29-2014 |
20140319471 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display apparatus in which electrical communication between an opposing electrode and an electrode power supply line can be more easily checked without adding an additional process in a manufacturing process, and a method of manufacturing the organic light-emitting display apparatus, is provided. The organic light-emitting display apparatus includes thin film transistors and pixel electrodes electrically connected to the thin film transistors in an active area of a substrate, an opposing electrode in the active area and a dead area of the substrate, an electrode power supply line in the dead area of the substrate and having a surface contacting the opposing electrode and configured to supply power to the opposing electrode, and a test line in the dead area of the substrate separated from the electrode power supply line and contacting the opposing electrode. | 10-30-2014 |
20140346454 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR MANUFACTURING THE SAME - An organic light emitting display includes a substrate, a metal pattern on the substrate, the metal pattern directly contacting the substrate, and a thin film transistor including an active layer spaced apart from the metal pattern on the substrate, a gate electrode on the active layer, and a source electrode and a drain electrode on the gate electrode. | 11-27-2014 |
20140353616 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - Provided is an organic light-emitting display apparatus. The organic light-emitting display apparatus including: pixels arranged in a display region of a substrate and at intersections between scanning lines and data lines; a first initialization main line arranged along a first side of the display region of the substrate; a second initialization main line arranged along a second side of the display region of the substrate; an initialization power line electrically connected to the pixels and to the first initialization main line and the second initialization main line; and a first electrical connection portion comprising a doped semiconductor layer of which a first portion is connected to the first initialization main line and a second portion is connected to the initialization power line. | 12-04-2014 |
20140353620 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - The organic light emitting display device includes a substrate including a thin film transistor (TFT) formed thereon, the TFT including a first insulating layer disposed between an active layer and a gate electrode, and a second insulating layer disposed between the gate electrode and source and drain electrodes; a pad electrode including a first pad layer disposed on a same layer as that where the source and drain electrodes are formed, and a second pad layer on the first pad layer; a bonding assistant layer on the substrate; a third insulating layer on the bonding assistant layer and including a first opening; a pixel electrode disposed in the first opening and electrically coupled to one of the source and drain electrodes; and a fourth insulating layer on the pixel electrode to cover a peripheral end portion of the pixel electrode and defining a pixel through a second opening. | 12-04-2014 |
20140353634 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS - An organic light-emitting display apparatus includes a thin film transistor including an active layer, a gate electrode, source and drain electrodes, a first insulating layer between the active layer and the gate electrode, and a second insulating layer between the gate electrode and the source and drain electrodes, a third insulating layer covering the source and drain electrodes, the third insulating layer being an organic insulating layer, a pixel electrode including a semi-transparent metal layer and having an end located in a trench formed around the first insulating layer, a fourth insulating layer including an opening exposing a top surface of the pixel electrode, the fourth insulating layer being an organic insulating layer, an organic light-emitting layer on the pixel electrode, and a counter electrode on the organic light-emitting layer. | 12-04-2014 |
20150060792 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display apparatus including: a substrate; at least one thin-film transistor disposed on the substrate; at least one capacitor disposed on the substrate and including a first electrode and a second electrode; a pixel electrode connected to the at least one thin-film transistor; a counter electrode facing the pixel electrode and including a reflective material; an organic emission layer disposed between the pixel electrode and the counter electrode; a first optical characteristic adjusting layer disposed between the substrate and the pixel electrode and formed on a same layer as the second electrode of the at least one capacitor; and a second optical characteristic adjusting layer disposed between the first optical characteristic adjusting layer and the pixel electrode. | 03-05-2015 |
20150102316 | ORGANIC LIGHT-EMITTING DIODE (OLED) DISPLAY - An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a thin film transistor including an active layer, a gate electrode, a source electrode, and a drain electrode, a first insulating layer arranged between the active layer and the gate electrode, and a second insulating layer arranged between the gate, source, and drain electrodes. The OLED display also includes a third insulating layer covering the source and drain electrodes, wherein an opening is defined in each of the second and third insulating layers and wherein the openings substantially overlap. The OLED display further includes a pixel electrode formed in the openings defined in the second and third insulating layers and including a semi-permeable metal layer. | 04-16-2015 |
20150108452 | PAD ELECTRODE STRUCTURE AND ORGANIC LIGHT-EMITTING DISPLAY APPARATUS INCLUDING THE PAD ELECTRODE STRUCTURE - An organic light-emitting display apparatus includes a pad electrode, an interlayer insulating layer on the pad electrode, a conductive barrier layer, and a planarization insulating layer. The interlayer insulating layer includes a plurality of openings that expose an upper surface of the pad electrode. The conductive barrier layer is on the plurality of openings and the interlayer insulating layer. The planarization insulating layer covers an edge of the conductive barrier layer. The planarization insulating layer is in the openings. | 04-23-2015 |
Patent application number | Description | Published |
20120103420 | CU-IN-ZN-SN-(SE,S)-Based Thin Film for Solar Cell and Preparation Method Thereof - A Cu-In-Zn-Sn-(Se,S)-based thin film for a solar cell and a preparation method thereof, and more particularly, to a Cu-In-Zn-Sn-(Se,S)-based thin film for a solar cell which can reduce an amount of In to be used and exhibit an excellent conversion efficiency and a preparation method thereof. | 05-03-2012 |
20130045565 | METHOD OF MANUFACTURING HIGH DENSITY CIS THIN FILM FOR SOLAR CELL AND METHOD OF MANUFACTURING THIN FILM SOLAR CELL USING THE SAME - Disclosed are a high density CIS thin film and a method of manufacturing the same, which includes coating CIS nanopowders, CIGS nanopowders or CZTS nanopowders on a substrate by non-vacuum coating, followed by heat treatment with cavities between the nanopowders filled with filling elements such as copper, indium, gallium, zinc, tin, and the like. The high density CIS thin film is applied to a photo-absorption layer of a thin film solar cell, thereby providing a highly efficient thin film solar cell. | 02-21-2013 |
20130076382 | Apparatus and Method for Measurement of Radiation Intensity for Testing Reliability of Solar Cell, and Method for Testing Reliability of Solar Cell - An apparatus and method for measurement of radiation intensity for testing reliability of a solar cell, and a method for testing the reliability of the solar cell. The apparatus includes a first solar cell receiving a predetermined intensity of radiation or more to generate electricity, a second solar cell receiving a predetermined intensity of radiation or more to generate electricity; a temperature sensor sensing a temperature of the second solar cell; a cooler cooling the first solar cell; and a controller measuring the intensity of radiation applied to the first solar cell, and controlling the cooler to prevent the temperature of the first solar cell from increasing above a predetermined temperature depending on the temperature of the second solar cell sensed by the temperature sensor. | 03-28-2013 |
20140065760 | METHOD OF FORMING ZINC OXIDE PROMINENCE AND DEPRESSION STRUCTURE AND METHOD OF MANUFACTURING SOLAR CELL USING THEREOF - A method of forming a nanometer-scale prominence and depression structure on a zinc oxide thin film in a wet-etching method, and the method includes the steps of: preparing a substrate; forming a nano structure having a height and a width of a nanometer range; forming the zinc oxide thin film on the substrate on which the nano structure is formed; and wet-etching the zinc oxide thin film, in which in the wet-etching step, zinc oxide having relatively low physical compactness is preferentially etched since the zinc oxide is positioned on the nano structure, and thus the prominence and depression structure is formed around the nano structure by the etching. | 03-06-2014 |
20140083501 | TRANSPARENT CONDUCTING FILM HAVING DOUBLE STRUCTURE AND METHOD OF MANUFACTURING THE SAME - Disclosed is a double-structure transparent conducting film having both excellent electrical characteristics and excellent light trapping performance, and a method of manufacturing the same. | 03-27-2014 |
20140216552 | Method for Manufacturing CI(G)S-Based Thin Film Comprising CU-SE Thin Film Using CU-SE Two-Component Nanoparticle Flux, and CI(G)S-Based Thin Film Manufactured by the Method - A method for manufacturing a CI(G)S-based thin film using a Cu—Se two-component nanoparticle flux, and a CI(G)S-based thin film manufactured by the method are provided. The method for manufacturing the CI(G)S-based thin film, according to the present invention, comprises the steps of: manufacturing Cu—Se two-component nanoparticles and In nanoparticles; manufacturing a slurry comprising the Cu—Se two-component nanoparticles by mixing the Cu—Se two-component nanoparticles, a solvent, and a binder, and manufacturing a slurry comprising the In nanoparticles by mixing the In nanoparticles, a solvent, and a binder; forming a thin film in which a plurality of layers are laminated by alternately coating the slurry comprising the Cu—Se two-component nanoparticles and the slurry comprising the In nanoparticles on a substrate, regardless of order; and heat-processing the thin film which is formed. | 08-07-2014 |
20140326317 | METHOD OF FABRICATING COPPER INDIUM GALLIUM SELENIDE (CIGS) THIN FILM FOR SOLAR CELL USING SIMPLIFIED CO-VACUUM EVAPORATION AND COPPER INDIUM GALLIUM SELENIDE (CIGS) THIN FILM FOR SOLAR CELL FABRICATED BY THE SAME - A method of fabricating a CIGS thin film for solar cells using a simplified co-vacuum evaporation process and a CIGS thin film fabricated by the method are disclosed. The method includes: (a) depositing Cu, Ga and Se on a substrate having a substrate temperature ranging from 500° C. to 600° C. through co-vacuum evaporation, (b) depositing Cu, Ga, Se and In through co-vacuum evaporation while maintaining the same substrate temperature as in step (a), and (c) depositing Ga and Se through co-vacuum evaporation, followed by depositing Se alone through vacuum evaporation while lowering the temperature of the substrate. The method can realize crystal growth and band-gap grading by Ga composition distribution while simplifying process steps and significantly reducing a film-deposition time, as compared with a conventional co-vacuum evaporation process, thereby providing improvement in process efficiency. | 11-06-2014 |
20140338736 | METHOD FOR MANUFACTURING CZTS BASED THIN FILM HAVING DUAL BAND GAP SLOPE, METHOD FOR MANUFACTURING CZTS BASED SOLAR CELL HAVING DUAL BAND GAP SLOPE AND CZTS BASED SOLAR CELL THEREOF - A method for manufacturing a CZTS based thin film having a dual band gap slope, comprising the steps of: forming a Cu | 11-20-2014 |
20150114466 | CIGS Solar Cell Having Flexible Substrate Based on Improved Supply of Na and Fabrication Method Thereof - A CIGS solar cell having a flexible substrate based on improved supply of Na. The CIGS solar cell includes a substrate formed of a flexible material, a rear electrode formed on the substrate, a CIGS light-absorption layer formed on the rear electrode, a buffer layer formed on the CIGS light-absorption layer, and a front electrode formed on the buffer layer, wherein the rear electrode comprise a single-layered Na-added metal electrode layer. A single-layered Na-added Mo electrode layer, specific resistance of which is about 1/10th the specific resistance under conditions of a process of forming a typical multilayer rear electrode, is applied to the rear electrode, thereby providing a CIGS solar cell having a flexible substrate and high conversion efficiency. | 04-30-2015 |
20150162480 | METHOD OF MANUFACTURING CI(G)S-BASED THIN FILM HAVING REDUCED CARBON LAYER, THIN FILM MANUFACTURED BY THE METHOD, AND SOLAR CELL COMPRISING THE THIN FILM - Disclosed is a method of manufacturing a CI(G)S-based thin film, in which a slurry prepared by mixing two or more kinds of binary nanoparticles containing CI(G)S-based elements, a solution precursor containing a CI(G)S-based element, an alcoholic solvent and a chelating agent is used to reduce the carbon layer formed between the CI(G)S-based thin film and molybdenum, and which includes (a) mixing two or more kinds of binary nanoparticles containing CI(G)S-based elements, a solution precursor containing a CI(G)S-based element, an alcoholic solvent and a chelating agent, thus preparing a slurry; (b) subjecting the slurry to non-vacuum coating, thus forming a CI(G)S-based thin film; and (c) subjecting the CI(G)S-based thin film to selenization heat treatment. | 06-11-2015 |
20150287854 | METHOD OF FABRICATING A(C)IGS BASED THIN FILM USING Se-Ag2Se CORE-SHELL NANOPARTICLES, A(C)IGS BASED THIN FILM FABRICATED BY THE SAME, AND TANDEM SOLAR CELLS INCLUDING THE A(C)IGS BASED THIN FILM - A method of fabricating an Ag—(Cu—)In—Ga—Se (A(C)IGS) based thin film using Se—Ag | 10-08-2015 |
20150287868 | ULTRA THIN HIT SOLAR CELL AND FABRICATING METHOD OF THE SAME - Disclosed is an ultra-thin HIT solar cell, including: an n- or p-type crystalline silicon substrate; an amorphous silicon emitter layer having a doping type different from that of the silicon substrate; and an intrinsic amorphous silicon passivation layer formed between the crystalline silicon substrate and the amorphous silicon emitter layer, wherein the HIT solar cell further includes a transparent conductive oxide layer made of ZnO on an upper surface thereof, and the surface of the crystalline silicon substrate is not textured but only the surface of the transparent conductive oxide layer is textured, and thereby a very thin crystalline silicon substrate can be used, ultimately achieving an ultra-thin HIT solar cell having a very low total thickness while maintaining light trapping capacity. | 10-08-2015 |
20150303328 | METHOD OF FORMING CIGS ABSORBER LAYER FOR SOLAR CELL AND CIGS SOLAR CELL - A method of forming a CIGS absorber layer using a three-stage co-evaporation process, which can improve the efficiency of a solar cell in the case where Na concentration of a substrate is low and thus the depletion layer of the CIGS absorber layer is thick. The method includes a first stage of co-evaporating In, Ga and Se to deposit them; a second stage of co-evaporating Cu and Se to deposit them; and a third stage of co-evaporating In, Ga and Se to deposit them, wherein Ga supply through evaporation in the first stage is greater than Ga supply through evaporation in the third stage. | 10-22-2015 |
20160005899 | SOLAR CELL HAVING REAR BUFFER LAYER AND METHOD OF MANUFACTURING THE SAME - The invention relates a thin-film solar cell. In the related art, a buffer layer, a transparent electrode, and a grid electrode are formed on a light absorption layer, but in the invention, the buffer layer and the transparent electrode are not formed on a light absorption layer, and the buffer layer, the transparent electrode, and the grid electrode are formed under a CIGS face such that solar light is directly input to the light absorption layer without obstacles, and the first electrode and the buffer layer are patterned in a saw-toothed structure to engage with each other to reduce a distance by which electrons or holes generated by absorbing light energy move to the electrode or the buffer layer. | 01-07-2016 |
20160049533 | METHOD OF FORMING CHALCOPYRITE LIGHT-ABSORBING LAYER - Disclosed is a method of forming a chalcopyrite light-absorbing layer for a solar cell, including: forming a thin film including a chalcopyrite compound precursor; and radiating light on the thin film, wherein the chalcopyrite compound precursor absorbs light energy and is thus crystallized. When forming the chalcopyrite light-absorbing layer, light, but not heat, is applied, thus preventing problems, including damage to a substrate due to heat and formation of MoSe | 02-18-2016 |
20160099366 | SOLAR CELL MODULE AND METHOD FOR MANUFACTURING THE SAME - A solar cell module, a method for manufacturing the solar cell module, a solar power system, and an interconnection ribbon are provided. The solar cell module includes a plurality of solar cells which are connected in series or in parallel through interconnection ribbons, wherein the interconnection ribbons have a zigzag shape to reduce tension generated according to bending of the solar cell module. | 04-07-2016 |