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Chang-Jin

Chang-Jin Choi, Seoul KR

Patent application numberDescriptionPublished
20090293094MOBILE COMMUNICATION TERMINAL, CHANNEL INFORMATION PROVIDING MODULE, METHOD OF AUTOMATICALLY ACCESSING TO DMB, AND METHOD OF PROVIDING CHANNEL ACCESS INFORMATION - A mobile communication terminal to automatically access to DMB includes a broadcast receiving unit that receives and demodulates a DMB signal, extracts and processes a video signal and an audio signal from the DMB signal, and outputs the video signal and the audio signal to a display unit and an audio output unit; a channel information acquisition unit that processes an audio signal inputted from a microphone in an automatic channel access mode, generates and transmits to a channel information providing server a channel access information request message that includes the audio signal and time information concerning the time when the audio signal is input, and receives and outputs a channel access information response message; and a broadcast control unit that outputs a channel tuning control signal to the broadcast receiving unit according to the channel access information inputted from the channel information acquisition unit.11-26-2009
20100240967BELT WITH HEALTH MANAGEMENT FUNCTION - A belt with a health management function includes a health information extraction module extracting health related information from various biomedical signals, a buckle housing the health information extraction module, and a strap connected to an end of the buckle. The health information extraction module includes a sensor module detecting various biomedical signals, and a process/extraction unit digitally processing the detected biomedical signals and extracting the health related information from the processed digital signals.09-23-2010

Patent applications by Chang-Jin Choi, Seoul KR

Chang-Jin Im, Hwaseong-Si KR

Patent application numberDescriptionPublished
20100053138DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - In a display apparatus and a method of driving the display apparatus, data voltages, which correspond to image data, are supplied to data lines to drive a plurality of pixels arranged in pixel areas defined by a plurality of gate lines and data lines, and gate signals are sequentially supplied to gate lines. The gate signals are maintained at a level of gate on voltage such that the data voltages of the data lines are supplied to corresponding pixels during a scan period, and alternately have a first voltage level and a second voltage level in synchronization with a common voltage during a non-scan period.03-04-2010

Chang-Jin Kang, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20080199975METHODS OF FORMING A METAL OXIDE LAYER PATTERN HAVING A DECREASED LINE WIDTH OF A PORTION THEREOF AND METHODS OF MANUFACTURING A SEMICONDUCTOR DEVICE USING THE SAME - Provided herein are methods of forming a metal oxide layer pattern on a substrate including providing a preliminary metal oxide layer on a substrate; etching the preliminary metal oxide layer to provide a preliminary metal oxide layer pattern, wherein the line width of the preliminary metal oxide layer pattern gradually increases in a vertically downward direction; and etching the preliminary metal oxide layer pattern to form a metal oxide layer pattern in a manner so as to decrease the line width of a lower portion of the preliminary metal oxide layer. The present invention also provides methods of manufacturing a semiconductor device including forming a metal oxide layer and a first conductive layer on a substrate; etching the metal oxide layer to provide a preliminary metal oxide layer pattern, wherein the line width of the preliminary metal oxide layer pattern gradually increase in a vertically downward direction; etching the first conductive layer to provide a first conductive layer pattern; and etching the preliminary metal oxide layer pattern to provide a metal oxide layer pattern in a manner so as to decrease the line width of a lower portion of the preliminary metal oxide layer pattern.08-21-2008
20090008701NONVOLATILE MEMORY DEVICE AND METHOD OF FABRICATING THE SAME - A nonvolatile memory device includes a semiconductor substrate, a charge trap layer formed on the semiconductor substrate, a blocking layer formed on the charge trap layer, and a gate electrode formed on the blocking layer. Sides of blocking layer extend laterally beyond sides of the charge trap layer and lateral sides of the gate electrode.01-08-2009
20090261405Non-Volatile Memory Devices - Non-volatile memory devices include a tunnel insulating layer on a channel region of a substrate, a charge-trapping layer pattern on the tunnel insulating layer and a first blocking layer pattern on the charge-trapping layer pattern. Second blocking layer patterns are on the tunnel insulating layer proximate sidewalls of the charge-trapping layer pattern. The second blocking layer patterns are configured to limit lateral diffusion of electrons trapped in the charge-trapping layer pattern. A gate electrode is on the first blocking layer pattern. The second blocking layer patterns may prevent lateral diffusion of the electrons trapped in the charge-trapping layer pattern.10-22-2009

Patent applications by Chang-Jin Kang, Gyeonggi-Do KR

Chang-Jin Kang, Suwon-Si KR

Patent application numberDescriptionPublished
20080203590INTEGRATED CIRCUIT SEMICONDUCTOR DEVICE WITH OVERLAY KEY AND ALIGNMENT KEY AND METHOD OF FABRICATING THE SAME - An integrated circuit semiconductor device including a cell region formed in a first portion of a silicon substrate, the cell region including a first trench formed in the silicon substrate, a first buried insulating layer filled in the first trench, a first insulating pattern formed over the silicon substrate, and a first conductive pattern formed over the first insulating pattern. An overlay key region is formed in a second portion of the silicon substrate and includes a second trench formed in the silicon substrate, a second insulating pattern formed over the silicon substrate and used as an overlay key, and a second conductive pattern formed over the second insulating pattern and formed by correcting overlay and alignment errors using the second insulating pattern. An alignment key region is formed in a third portion of the silicon substrate and includes a third trench formed in the silicon substrate and used as an alignment key, a second buried insulating layer formed in the third trench, and a third conductive pattern formed over the second buried insulating layer and the third trench.08-28-2008
20090263970METHOD OF FORMING FINE PATTERN OF SEMICONDUCTOR DEVICE USING SIGE LAYER AS SACRIFICIAL LAYER, AND METHOD OF FORMING SELF-ALIGNED CONTACTS USING THE SAME - There are provided a method of forming a fine pattern of a semiconductor device using a silicon germanium sacrificial layer, and a method of forming a self-aligned contact using the same. The method of forming a self-aligned contact of a semiconductor device includes forming a conductive line structure having a conductive material layer, a hard mask layer, and a sidewall spacer on a substrate, and forming a silicon germanium (Si10-22-2009
20100270647METHOD OF FABRICATING SEMICONDUCTOR DEVICE HAVING CAPACITOR - Methods are provided for fabricating semiconductor devices having capacitors, which prevent lower electrodes of the capacitors from breaking or collapsing and which provide increased capacitance of the capacitors. For instance, a method includes forming a first insulating layer on a semiconductor substrate, forming a first hole in the first insulating layer, forming a contact plug in the first hole, forming a second insulating layer having a landing pad, wherein the landing pad contacts an upper surface of the contact plug, forming an etch stop layer on the landing pad and the second insulating layer, forming a third insulating layer on the etch stop layer; forming a third hole through the third insulating layer and etch stop layer to expose the landing pad, selectively etching the exposed landing pad, forming a lower electrode on the selectively etched landing pad, and then forming a capacitor by forming a dielectric layer and an upper electrode on the lower electrode.10-28-2010

Patent applications by Chang-Jin Kang, Suwon-Si KR

Chang-Jin Kim, Yongin-Si KR

Patent application numberDescriptionPublished
20100101920SPUTTER TRAY MOVING SYSTEM - A sputter tray moving system includes a sputter tray, a guide disposed under the sputter tray and including a groove, a pulley engaged with the groove of the guide and a buffer member disposed between the sputter tray and the guide. The sputter tray is moved when the pulley engaged with the groove of the guide is rotated in a rotation direction.04-29-2010
20110097066METHOD AND APPARATUS FOR DRIVING LENS BARREL, DIGITAL PHOTOGRAPHING APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM - A method of driving a lens barrel includes detecting a movement detection signal that indicates an operation of the lens barrel which operates using a stepping motor; determining a limit time during which movement of a lens barrel component is detected based on the movement detection signal; detecting the movement from the movement detection signal; and changing a driving level of the stepping motor from a first driving level to a second driving level when movement of the lens barrel component is not detected from the movement detection signal within the limit time, wherein torque of the second driving level is greater than torque of the first driving level.04-28-2011

Chang-Jin Kim, Beverly Hills, CA US

Patent application numberDescriptionPublished
20090014394DROPLET EXTRACTION FROM A LIQUID COLUMN FOR ON-CHIP MICROFLUIDICS - A refill droplet facilitates the extraction of a droplet laterally from a channel in a microfluidic apparatus. Such extraction allows a discrete band of separated particles or solute molecules to be excised from a fluid stream and processed and analyzed separately. An extraction point is located along the length of the channel and includes an EWOD surface or similar microfluidic technology to extract a droplet. An opening in the channel opposite the extraction means is equipped with microfluidic technology to transport a refill droplet to the opening. The refill droplet is moved into the channel or column to occupy the area previously occupied by the extracted droplet. This prevents distortion or mixing of the bands of particles or molecules within the channel and prevents the draining of any portion of the fluidic system.01-15-2009
20090042319Biosensor Detection By Means Of Droplet Driving, Agitation, and Evaporation - Methods of improving microfluidic assays are disclosed. Assays can be improved (better signal to noise ratio) by using sessile drop evaporation as an analyte concentration step (enhanced signal) and repeated passes of wash droplets as a means to reduce non-specific binding (noise reduction). In addition multiple massively parallel analyses improve the statistical precision of the analyses.02-12-2009
20090283407METHOD FOR USING MAGNETIC PARTICLES IN DROPLET MICROFLUIDICS - Methods of utilizing magnetic particles or beads (MBs) in droplet-based (or digital) microfluidics are disclosed. The methods may be used in enrichment or separation processes. A first method employs the droplet meniscus to assist in the magnetic collection and positioning of MBs during droplet microfluidic operations. The sweeping movement of the meniscus lifts the MBs off the solid surface and frees them from various surface forces acting on the MBs. A second method uses chemical additives to reduce the adhesion of MBs to surfaces. Both methods allow the MBs on a solid surface to be effectively moved by magnetic force. Droplets may be driven by various methods or techniques including, for example, electrowetting, electrostatic, electromechanical, electrophoretic, dielectrophoretic, electroosmotic, thermocapillary, surface acoustic, and pressure.11-19-2009
20100025207ELECTROSTATICALLY DRIVEN HIGH SPEED MICRO DROPLET SWITCH - An electrostatically driven high-speed micro droplet switch includes a substrate having an upper surface containing one or more signal electrodes that are selectively connected via a droplet. The switch includes at least one actuation electrode disposed beneath the upper surface of the substrate, the at least one actuation electrode operatively coupled to drive circuitry. The switch includes a frame disposed on or above the upper surface of the substrate that is configured to hold the droplet in substantially the same location during operation of the switch. In one aspect, the frame is configured to absorb variations in the volume of the droplet placed on the switch, leaving the active meniscus not affected by the variation in volume.02-04-2010
20100096266METHOD AND APPARATUS FOR REAL-TIME FEEDBACK CONTROL OF ELECTRICAL MANIPULATION OF DROPLETS ON CHIP - A device for generating droplets includes a substrate comprising a reservoir site configured to hold a liquid and including a first electrode, a droplet creation site including a second electrode, and droplet separation site disposed between the reservoir site and the droplet creation site and containing an electrode. The device includes control circuitry operatively coupled to the first, second, and third electrodes. The control circuitry is configured to measure the fluid volume on the electrodes and independently adjust an applied voltage to increase/decrease the quantity of fluid. The device can move fluid onto the creation site or back onto to the reservoir site. When the fluid volume is at the desired value or range, a driving voltage is delivered to the first and second electrodes to form a new droplet. The device may generate droplets having a uniform or user-defined size smaller than the electrode.04-22-2010

Patent applications by Chang-Jin Kim, Beverly Hills, CA US

Chang-Jin Lee, Suwon-Si KR

Patent application numberDescriptionPublished
20090021649VIDEO APPARATUS AND METHOD FOR SUPPLYING POWER THEREOF - A video apparatus and a method for supplying power thereof are provided. The video apparatus includes a video processor which processes a video signal, a transceiver which receives a communication connection signal from an exterior apparatus, and a controller which allows power to be supplied to the video processor to generate the processed video signal to be output to the exterior apparatus through the transceiver, if the communication connection signal is received through the transceiver.01-22-2009
20090054003WIRELESS VIDEO SYSTEM CONTROLLED ACCORDING TO CONTROL COMMAND OF EXTERNAL DEVICE, WIRELESS VIDEO RECEIVER, AND METHOD FOR CONTROLLING WIRELESS VIDEO SYSTEM - A wireless video system, a wireless video receiver, and a wireless video system controlling method. In the wireless video system, a wireless video transmitter receives a control command from a connected external device and transmits the received control command. The wireless video receiver receives the control command from the wireless video transmitter and is controlled according to the received control command.02-26-2009
20090080536IMAGE PROCESSING APPARATUS, DISPLAY APPARATUS, DISPLAY SYSTEM AND CONTROL METHOD THEREOF - An image processing apparatus includes: a signal receiver which receives an image signal; a signal processor which compresses the image signal; a wireless transmitter which transmits the compressed image signal to a display apparatus wirelessly; and a controller which controls the signal processor to raise a compression rate of the image signal according to an increased distance between the wireless transmitter and the display apparatus.03-26-2009
20090290072REMOTE CONTROLLER, ELECTRONIC DEVICE AND CONTROL METHOD THEREOF - A remote controller of controlling an electronic device, the remote controller includes: an input unit; a communication unit which communicates with at least one electronic device to receive an identification code of the electronic device if a condition for receiving the identification code is satisfied, and a remote-controller controller which stores the identification code received from the electronic device, and selects the stored identification code so that the electronic device corresponding to the selected identification code is controlled through the input unit.11-26-2009

Patent applications by Chang-Jin Lee, Suwon-Si KR

Chang-Jin Song, Seoul KR

Patent application numberDescriptionPublished
20100299873HINGE ASSEMBLY AND PORTABLE DEVICE HAVING THE SAME - A portable device includes a first body element, a second body element, and a hinge assembly to allow the second body element to slide and rotate, and to vary the vertical arrangement between the first body element and the second body element while remaining parallel to each other. The hinge assembly has a first end rotatably coupled to the first body element and a second end rotatably and slidably coupled to the second body element to allow the first body element and the second body element to slide and vary the vertical arrangement therebetween while staying parallel to each other.12-02-2010

Chang-Jin Yang, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090073834METHOD OF AND APPARATUS FOR RECORDING DATA ON OPTICAL RECORDING MEDIUM - A method of and apparatus for recording data on an optical recording medium form a mark or a space by using a recording waveform having an erase pattern containing a multi-pulse. The method and the apparatus prevent distortion of the mark or the space and improve a mark shape such that a recording/reproducing characteristic of the optical recording medium is improved.03-19-2009

Patent applications by Chang-Jin Yang, Gyeonggi-Do KR