Jang, Cheonan-Si
Chulwoong Jang, Cheonan-Si KR
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20100235693 | SOLID STATE DRIVE TESTING APPARATUS AND METHOD - Provided are apparatus and method of testing solid state drives. The method includes accommodating solid state drives to be tested in a magazine with one or more cassettes, sorting the solid state drives into operable solid state drives or defective solid state drives by testing electrical characteristics, and loading the sorted solid state drives. | 09-16-2010 |
Chul-Woong Jang, Cheonan-Si KR
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20090015287 | APPARATUS FOR TESTING AN OBJECT - An apparatus for testing an object includes a test chamber, a guiding member, testing units and a transferring unit. The test chamber is configured to receive the object. The guiding member is arranged extending along a first direction in the test chamber. The testing units are movably connected to the guiding member to test electrical characteristics of the object. The transferring unit is arranged in the test chamber to load the object into one of the testing units and unload the object from one of the testing units. The testing units may be transferred to a position for repair without suspension of the apparatus. The object may be tested using another testing unit while the other testing unit is being repaired. | 01-15-2009 |
20090300442 | Field mounting-type test apparatus and method for testing memory component or module in actual PC environment - Provided are a field mounting-type test apparatus and method, which can enhance competitiveness of a product by simulating various test conditions including a mounting environment so as to improve quality reliability of a memory device and by minimizing overall loss due to change in a mounting environment so as to reduce testing time and cost. In accordance with example embodiments, the field mounting-type test apparatus may include a mass storage device configured to store logic data simulating a mounting environment of a device under test (DUT) and a tester main frame configured to test the DUT by using the logic data. | 12-03-2009 |
20110109318 | SIGNAL CAPTURE SYSTEM AND TEST APPARATUS INCLUDING THE SAME - A signal capture system for capturing a signal and storing the captured signal in a storage apparatus in real time, and a test apparatus including the signal capture system. The signal capture system includes a printed circuit board; a socket that is connected to the printed circuit board and on which a reference memory component is mounted; and an interposer that is mounted on the printed circuit board, is connected to the socket, an external apparatus, and a storage apparatus, receives first signals from the reference memory component and transmits the received first signals to the external apparatus and the storage apparatus, and receives second signals from the external apparatus and transmits the received second signals to the reference memory component and the storage apparatus, wherein a shape of the socket is defined according to a type of the reference memory component. | 05-12-2011 |
Chul-Wuong Jang, Cheonan-Si KR
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20080204066 | Automatic test equipment capable of high speed test - Automatic test equipment is capable of performing a high-speed test of semiconductor devices, with a low cost and high efficiency. The automatic test equipment (ATE) comprises: an ATE body configured to electrically test semiconductor devices; a field programmable gate array (FPGA) controlling drivers and comparators on the ATE; an accelerator connected to an output terminal of the FPGA and that doubles an operating frequency of the FPGA; and a decelerator connected to an output terminal of the FPGA and that converts an operating frequency of data transferred from the semiconductor device to the operating frequency of the FPGA. | 08-28-2008 |
Dae-Gwang Jang, Cheonan-Si KR
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20140375627 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and driving method thereof are disclosed. In one aspect, the display device includes a display panel displaying a still image and a moving image and a signal control unit controlling signals for driving the display panel and controlling a frequency of the display panel based on a low frequency enable signal. The signal control unit controls the driving of the display panel at a low frequency when the still image is applied to the display panel and the driving of the display panel at a normal driving frequency after a first time elapses. The signal control unit further controls the driving of the display panel at a low frequency after a second time elapses. | 12-25-2014 |
20150179117 | METHOD OF DRIVING A DISPLAY PANEL, DISPLAY PANEL DRIVING APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS HAVING THE DISPLAY PANEL DRIVING APPARATUS - A method of driving a display panel includes detecting a position of a viewer to output a viewer position detection signal, determining whether the position of the viewer is in a first area or in a second area based on the viewer position detection signal to output a viewer position signal, and driving a unit pixel of the display panel using a plurality of gamma values according to the viewer position signal. The first area is less than a reference distance, and the second area is not less than the reference distance. Thus, side visibility of a display apparatus may be improved. | 06-25-2015 |
20150187291 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a display unit, a common voltage measuring unit, and a signal controller. The display unit include a plurality of pixels, each including a liquid crystal capacitor including a terminal coupled to a common electrode to receive a common voltage and a pixel electrode to receive a gray scale voltage. The common voltage measuring unit measures a change in the common voltage resulting from a coupling between the common electrode and the pixel electrode when a test image including a specific pattern is output to the display unit. The signal controller detects a level of a residual DC voltage of a liquid crystal layer between the common electrode and pixel electrode based on a measured value of the common voltage. | 07-02-2015 |
20150221273 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A liquid crystal display device includes a plurality of pixels arranged substantially in a matrix form, where a part of the plurality of pixels defines a pixel column block, a first scan signal is simultaneously applied to an n-th row pixel and an (n+2)-th row pixel of the pixel column block, a second scan signal, which is applied prior to the first scan signal, is simultaneously applied to an (n+1)-th row pixel and an (n+3)-th row pixel of the pixel column block, a first data voltage is applied to the n-th row pixel and the (n+1)-th row pixel, a second data voltage having a polarity different from a polarity of the first data voltage is applied to the (n+2)-th row pixel and the (n+3)-th row pixel, and the polarities of the first data voltage and the second data voltage are inverted on a frame-by-frame basis. | 08-06-2015 |
20150279259 | LIQUID CRYSTAL DISPLAY DEVICE - According to some embodiments of the present invention, there is provided a liquid crystal display device including a display panel configured to receive a plurality of gate signals and a plurality of data voltages and to display an image based on a plurality of frames, a timing controller configured to generate a data control signal and a plurality of vertical start signals corresponding to the frames, a gate driving unit configured to output a plurality of gate signals in response to a vertical start signal according to each frame, and a data driving unit configured to generate the data voltages in response to the data control signal, wherein the timing controller is configured to set activation times of the vertical start signals corresponding to the frames differently to allow the frames to have different frequencies. | 10-01-2015 |
Dae-Jin Jang, Cheonan-Si KR
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20080254702 | APPARATUS FOR ASSEMBLING LAMPS AND METHOD OF ASSEMBLING LAMPS USING THE SAME - An apparatus for assembling lamps that automatically installs lamps into a container includes a lamp arrangement unit including a retaining-stage formed to receive a plurality of lamps, and a lamp press-fitting unit including grippers that holds lamps positioned on the retaining-stage to move lamps, a body press-fitting portion that positions bodies of lamps into a container, and a lead press-fitting portion that positions leads of lamps into the container. A method of assembling lamps uses the apparatus. | 10-16-2008 |
Donghyuk Jang, Cheonan-Si KR
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20120305024 | SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD - Provided is a substrate processing apparatus. The substrate processing apparatus includes an index part including a port on which a container containing a substrate is placed and an index robot, a processing part for processing the substrate, and a buffer unit disposed between the processing part and the index part to allow the substrate transferred between the processing part and the index part to be temporarily stayed therein. The processing part includes a glue removal processing module, a substrate cooling processing module, a heat processing module, and a functional water processing module which are disposed along a transfer passage for transferring the substrate. | 12-06-2012 |
20120305028 | BUFFER UNITS, SUBSTRATE PROCESSING APPARATUSES, AND SUBSTRATE PROCESSING METHODS - Provided is a buffer unit, which includes a frame including a base plate, a first vertical plate, and a second vertical plate, wherein the first and second vertical plates are spaced apart from each other on the base plate, a first buffer on which a photomask is placed, the first buffer being allowed to be reversed between the first and second vertical plates; and a plurality of driving parts disposed at outsides of the first and second vertical plates, and driving the first buffer to grip and reverse the photomask placed on the first buffer. | 12-06-2012 |
Hwan-Soo Jang, Cheonan-Si KR
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20150294616 | ORGANIC LIGHT-EMITTING DIODE DISPLAY AND METHOD OF DRIVING THE SAME - An organic light-emitting diode (OLED) display and a method of driving the same are disclosed. In one aspect, the OLED display includes a display panel including a plurality of pixels each including an OLED through which driving current is configured to flow and a scan driver configured to apply a scan signal to the display panel. The display also includes a data driver configured to apply a data signal and a data comparison signal to the display panel, wherein the data comparison signal indicates whether the same data signal is applied to adjacent pixels among the pixels, and a timing controller configured to control the scan driver and the data driver. The display further includes a bridge unit configured to control the OLEDs of the adjacent pixels to share the same driving current with each other based at least in part on the scan signal and the data comparison signal. | 10-15-2015 |
Hyun Woo Jang, Cheonan-Si KR
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20120254517 | PLC DATA LOG MODULE AND METHOD FOR STORING DATA IN THE SAME - Provided is a PLC data log module and method for storing data in the same, wherein, in a case one or more storages among a plurality of outside storages is attached, a log data is stored in the attached outside storage, the log data is stored in the storage and check is made as to whether the log data is normally stored in the attached outside storage. | 10-04-2012 |
20140281074 | APPARATUS FOR RS-232C AND RS-485 SERIAL COMMUNICATION USING COMMON COMMUNICATION PORT - Proposed is an apparatus for RS-232C and RS-485 serial communication using common communication port configured to selectively use a communication by RS-232C and RS-485 communication methods without change in external wirings by performing the RS-232C and RS-485 communications using a common communication port, the apparatus including a communication converter configured to transmit a data using mutually different communication methods through a common port in response to a provided communication method selection signal, or receiving a data from outside, and a controller configured to provide the communication method selection signal and the transmission data to the communication converter in response to a set parameter, and to receive the data transmitted from outside through the communication converter. | 09-18-2014 |
20150331823 | EXPANSION MODULE FOR PROGRAMMABLE LOGIC CONTROLLER USING USB COMMUNICATION - An expansion module for a PLC, used in such a manner that at least one expansion module is sequentially connected to a basic unit in order to exchange massive data at high speed by using USB communication, is provided. Each of the expansion module includes a USB hub and a USB device, and is allocated with an exchange number from a USB host of the basic unit by activating the USB device according to input of a trigger signal. In addition, whether the USB hub is to be used is determined by deciding whether the expansion through the USB hub is required according to the allocated exchange number. Thus, a user needs only to arrange each of the expansion modules by a designation. | 11-19-2015 |
Jaewan Jang, Cheonan-Si KR
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20160005981 | COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND ELECTRONIC DEVICE THEREOF - The present invention provides a novel compound which is capable of improving light-emitting efficiency, stability and lifespan of an element, an organic electronic element using the same, and an electronic device thereof. | 01-07-2016 |
Jin-Hyuk Jang, Cheonan-Si KR
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20110210898 | GROUND RADIATION ANTENNA - A ground radiation antenna is disclosed. Herein, the ground radiation antenna provides a radiator-forming circuit, which is formed to have a simple structure using a capacitive element, as well as a feeding circuit suitable for the provided radiator-forming circuit. Thus, the structure of the antenna becomes simpler and the size of the antenna becomes smaller. Accordingly, the fabrication process of the antenna is simplified, thereby largely reducing the fabrication cost. | 09-01-2011 |
20140035788 | GROUND RADIATION ANTENNA - A ground radiation antenna is disclosed. Herein, the ground radiation antenna provides a radiator-forming circuit, which is formed to have a simple structure using a capacitive element, as well as a feeding circuit suitable for the provided radiator-forming circuit. Thus, the structure of the antenna becomes simpler and the size of the antenna becomes smaller. Accordingly, the fabrication process of the antenna is simplified, thereby largely reducing the fabrication cost. | 02-06-2014 |
Ju Hee Jang, Cheonan-Si KR
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20150333310 | POROUS SEPARATION MEMBRANE, SECONDARY BATTERY USING SAME, AND METHOD FOR MANUFACTURING SAID SECONDARY BATTERY - Provides are a porous separator that prevents a short-circuit between two electrodes by using a porous nanofiber web where nanofibers have a core-shell structure, to thereby promote safety and thinning simultaneously. The porous separator includes: a porous nonwoven fabric playing a support role and having micropores; and a porous nanofiber web that is laminated on one side of the porous nonwoven fabric, and plays a role of an adhesive layer and an ion-containing layer when the porous nanofiber web is in close contact with an opposed electrode, wherein a portion of the porous nanofiber web is incorporated in a surface layer of the porous nonwoven fabric, to thus partially block pores of the porous nonwoven fabric and to thereby lower porosity of the porous nonwoven fabric. The porous nanofiber web has nanofibers obtained by spinning a mixture of a swellable polymer and a non-swellable polymer to have a core-shell structure. | 11-19-2015 |
Min-Sok Jang, Cheonan-Si KR
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20090068916 | METHOD OF MANUFACTURING CONDUCTIVE PARTICLE, ANISOTROPIC CONDUCTIVE ADHESIVE HAVING THE SAME, AND METHOD OF MANUFACTURING DISPLAY APPARATUS USING THE SAME - In an anisotropic conductive adhesive containing a conductive particle, the conductive particle includes a resin particle that is provided with a cavity formed therein and a conductive layer surrounding a surface of the resin particle. The cavity is formed by mixing the resin particle with a reactant and partially removing the reactant from the resin particle. Thus, the conductive particle may readily absorb an external pressure, thereby providing an improved malleability to the conductive particle. | 03-12-2009 |
20120152455 | METHOD OF MANUFACTURING CONDUCTIVE PARTICLE, ANISOTROPIC CONDUCTIVE ADHESIVE HAVING THE SAME, AND METHOD OF MANUFACTURING DISPLAY APPARATUS USING THE SAME - In an anisotropic conductive adhesive containing a conductive particle, the conductive particle includes a resin particle that is provided with a cavity formed therein and a conductive layer surrounding a surface of the resin particle. The cavity is formed by mixing the resin particle with a reactant and partially removing the reactant from the resin particle. Thus, the conductive particle may readily absorb an external pressure, thereby providing an improved malleability to the conductive particle. | 06-21-2012 |
Seung-Ho Jang, Cheonan-Si KR
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20080204066 | Automatic test equipment capable of high speed test - Automatic test equipment is capable of performing a high-speed test of semiconductor devices, with a low cost and high efficiency. The automatic test equipment (ATE) comprises: an ATE body configured to electrically test semiconductor devices; a field programmable gate array (FPGA) controlling drivers and comparators on the ATE; an accelerator connected to an output terminal of the FPGA and that doubles an operating frequency of the FPGA; and a decelerator connected to an output terminal of the FPGA and that converts an operating frequency of data transferred from the semiconductor device to the operating frequency of the FPGA. | 08-28-2008 |
20090300442 | Field mounting-type test apparatus and method for testing memory component or module in actual PC environment - Provided are a field mounting-type test apparatus and method, which can enhance competitiveness of a product by simulating various test conditions including a mounting environment so as to improve quality reliability of a memory device and by minimizing overall loss due to change in a mounting environment so as to reduce testing time and cost. In accordance with example embodiments, the field mounting-type test apparatus may include a mass storage device configured to store logic data simulating a mounting environment of a device under test (DUT) and a tester main frame configured to test the DUT by using the logic data. | 12-03-2009 |
Sungho Jang, Cheonan-Si KR
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20130025155 | APPARATUS AND METHOD FOR TREATING SUBSTRATE - Provided are an apparatus and method for treating a substrate. Specifically, provided are an apparatus and method for treating a substrate through a supercritical process. The apparatus includes: a housing providing a space for performing a process; a support member disposed in the housing to support a substrate; a supply port configured to supply a process fluid to the housing; a shield member disposed between the supply port and the support member to prevent the process fluid from being directly injected to the substrate; and an exhaust port configured to discharge the process fluid from the housing. | 01-31-2013 |
20130029282 | APPARATUS AND METHOD FOR TREATING SUBSTRATE - Provided are an apparatus and method for treating a substrate. More particularly, an apparatus and method for treating a substrate through a supercritical process are provided. The apparatus includes: a housing having an entrance in a predetermined surface thereof and providing a space for performing a high pressure process; a support member disposed in the housing to support a substrate; a door for opening and closing the entrance; and a pressing member configured to apply a force to the door so as to close the housing during the high pressure process. | 01-31-2013 |
Woon-Rok Jang, Cheonan-Si KR
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20130106836 | THREE-DIMENSIONAL IMAGE DISPLAY DEVICE AND DRIVING METHOD THEREOF | 05-02-2013 |
Yong Cheol Jang, Cheonan-Si KR
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20130001382 | PORTABLE ELECTRONIC DEVICE HOLDER - The present invention relates to a portable electronic device holder which enables a user to easily operate a portable electronic device such as a tablet PC, PDP, e-book reader, PMP, and netbook computer while comfortably holding and viewing the portable electronic device with one hand, and can also be used as a desktop holder such as a typical book rest. The portable electronic device holder according to one embodiment of the present invention comprises: a rectangular body member ( | 01-03-2013 |
Yong Su Jang, Cheonan-Si KR
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20150118416 | SUBSTRATE TREATING APPARATUS AND METHOD - Provided is a substrate treating apparatus. The substrate treating apparatus includes a processing chamber, a substrate supporting unit, an antenna plate, a dielectric plate, a gas supplying unit or the like. In the gas supplying unit, an excitation gas injection unit is provided at a position higher than that of a process injection unit so as to inject an excitation gas containing an inert gas from a position higher than that of a process gas, thereby preventing a damage of the dielectric plate, generating high-density plasma, and preventing degradation of process performance in a process which is performed under a process pressure of 50 mTorr or more or uses a hydrogen gas. | 04-30-2015 |
Yun-Ho Jang, Cheonan-Si KR
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20150222053 | CONNECTOR ASSEMBLY AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE SAME - A connector assembly includes a first connector and a second connector. The first connector includes a first main body, a guide member disposed on a side surface of the first main body, and a connecting member disposed on the first main body. The second connector is configured to be combined with the first connector. The second connector includes a second main body, a fixing member disposed on a side surface of the second main body and rotatably connected to each side surfaces at an end portion of the second main body, and a connecting pad disposed on the second main body to contact with the connecting member. Thus, the first connector and the second connector may combine and separate easily, so that a damage of the connector assembly may be prevented. | 08-06-2015 |