Patent application number | Description | Published |
20090189952 | APPARATUS FOR JETTING DROPLETS USING SUPER-HYDROPHOBIC NOZZLE - Disclosed is an apparatus for jetting droplets using a super-hydrophobic nozzle, including a body having a chamber formed in the body to receive a predetermined amount of fluid containing liquid and particles and a nozzle formed in the side face of the body while communicating with the chamber to jet the fluid, and an actuator for generating an electric field for jetting the fluid through the nozzle, the side face of the body being of super-hydrophobic, and the actuator including an electrode located in the chamber or the nozzle or deposited on the wall surface thereof, an electrode plate spaced apart from the side face of the body at a predetermined distance with a jetting hole at a position corresponding to the nozzle, a power supply portion for applying voltage between the electrode and the electrode plate, and a control portion for controlling the power supply portion, thereby effectively realizing the initial formation of the meniscus of the fluid upon jetting through the super-hydrophobic nozzle, and increasing stability and efficiency of the jetting even upon repeated jetting. | 07-30-2009 |
20140009889 | HEAT EMISSION DEVICE FOR JUNCTION BOX PRINTED CIRCUIT BOARD - The present disclosure provides a heat emission/radiation device for a junction box printed circuit board (PCB), which allows a next-generation intelligent junction box PCB to be manufactured in a dual-layer structure that maximizes heat emission effects. In other words, the present invention provides a heat emission device for a junction box PCB, in which a PCB having an IPS semiconductor device mounted thereon is mounted as a dual-layer structure by folding, such that the PCB may be easily installed in a small space of a vehicle, and a heat absorption and emission path for effectively emitting heat generated by the PCB mounted as the dual-layer structure is formed. | 01-09-2014 |
20140159670 | POWER CONTROL APPARATUS FOR VEHICLE BATTERY - A power control apparatus for a vehicle battery that includes a relay configured to interrupt or connect electric power supplied from the battery to a vehicle; current sensors configured to detect a battery discharging current supplied to a load of the vehicle through the relay, and a battery charging current introduced from an alternator of the vehicle. In addition, the apparatus includes a controller configured to output a control signal to execute an on/off drive of the relay based on detection values of the current sensors to control the electric power supplied from the battery to the vehicle. The relay, the current sensors, and the controller are mounted to the battery, and the current sensor includes a high current sensor having a substantially large current measurement range and a low current sensor having a substantially small current measurement range. | 06-12-2014 |
20150162700 | CONNECTOR FOR FLAT CABLE - A connector for a flat cable is provided that prevents damage to a conductor when a terminal is forcedly pressed to a flat cable. The connector for a flat cable includes a retainer that is coupled to flat cable while a portion of the flat cable covers an upper side of a plate-shaped body of the retainer. In addition, a housing is coupled to enclose the body of the retainer and the portion of the flat cable coupled to the body and has a plurality of exposure depressions for exposing exposed conductors at a portion of the flat cable coupled to opposite surfaces of the body to the exterior to connect the conductors to terminals. A position fixing unit is configured to fix a position of the flat cable coupled between the housing and the retainer. | 06-11-2015 |
20150175002 | BATTERY POWER CUT OFF SYSTEM FOR VEHICLE AND METHOD THEREOF - A battery power cut off system for a vehicle is provided that improves safety of the vehicle by separately detecting an overcurrent, an abnormal current, and a short current generated due to various causes while a vehicle is driven and cutting off power output from a battery. The system includes a collision sensing unit that detects an impact quantity due to a collision while the vehicle is driven and a battery sensor that detects an output current quantity of the battery. A controller analyzes the impact quantity and the output current quantity of the battery to determine whether a collision current, a short current, and an overcurrent are generated and perform a power cut off control. A switch is configured to cut off the battery power supplied to a large-capacity load element in response to a control signal of the controller. | 06-25-2015 |
20150236442 | WATERPROOF CONNECTOR FOR VEHICLE - A waterproof connector for a vehicle includes a front holder mounted on a front side of a main housing via a front seal for watertight, and having terminal-connecting holes. The front seal and the front holder are disposed inside the first mounting hole sequentially. An inner housing with a terminal is mounted to a rear side of the main housing and has terminal insertion holes. A subcover is disposed at a rear side of the inner housing. Each terminal has a connector portion disposed inside a terminal-connecting hole of the front holder, and a wire-welding portion is disposed inside a terminal insertion hole of the inner housing. Watertight and vibration-absorbing materials are attached to a lower side of an upper cover and an upper side of a lower cover of the subcover to protect the wire-welding portions of the terminals. | 08-20-2015 |
20150236501 | DEVICE AND METHOD FOR INTERRUPTING BATTERY CURRENT - A device and a method are provided for interrupting battery current using a latch relay for substantially high current interruption, which enable the latch relay to return to an ON position after operating to an OFF position. Accordingly, the latch relay for substantially high current interruption is operated to return to an ON (closed) position in only a normal state other than a short-circuit state by self-diagnosing the presence of occurrence of a short circuit before the latch relay attempts to return to the ON (closed) position after operating to an OFF (open) position. Therefore the latch relay may not become fixed and damaged due to the returning of the latch relay to the ON (closed) position during a short-circuit state, thereby guaranteeing the reuse of the latch relay. | 08-20-2015 |
Patent application number | Description | Published |
20080204378 | Organic electro luminescence display and driving method thereof - An organic electro luminescence display and driving method uses an image determination unit to generate image determination signals indicative of whether images generated in response to data signals are moving images still images, selects a gamma value corresponding to the brightness of the ambient light sensed, applies gamma correction signals corresponding to selected gamma values to control grey level voltages of the data signals, generates a selection signal based on a comparison of a previously set reference value with the photo sensor signal, and generates R′,G′,B′ data to vary an input image RGB data to correspond to the selection signal, varies a change range of the changing R′,G′,B′ data to correspond to the image determination signal, and supplies the varied change range of the changing data (R′,G′,B′ data) to the data driver. | 08-28-2008 |
20080204438 | Organic light emitting display, controller therefor and associated methods - A display driven by a data signal and a light emission signal may be controlled by a control system including a first through fourth controller. The first controller may select a gamma value in accordance with ambient illumination and output a corresponding gamma compensation signal to control a gradation voltage of input image data. The second controller may compare the ambient illumination with a reference value, generate a selection signal in response thereto, and provide changed image data obtained by changing input image data in accordance with the selection signal as the data signal. The third controller may apply a scaling factor to the input image data generated from extracted features related to the input image data and a scale ratio obtained from the extracted features, and output scaled image data as the data signal. The fourth controller may control a pulse width of the emission control signal. | 08-28-2008 |
20080218448 | Organic electro luminescence display and driving method of the same - Disclosed are an organic electro luminescence display and a driving method of the same. The present invention provides an organic electro luminescence display including a pixel unit for displaying an image to correspond to a scan signal, a light emission control signal and a data line. The image is composed of a plurality of frames. The organic electro luminescence display of the present invention includes a scan driver for supplying the scan signal and the light emission control signal to the pixel unit, a data driver for generating a data signal with a video data to supply the generated data signal to the pixel unit, a control unit for controlling a pulse width of the light emission control signal using a frame data which is the sum of the video data inputted to one frame and controlling one frame time according to the size of the frame data, and a power supply unit for supplying a first power and a second power to the pixel unit. | 09-11-2008 |
20080246701 | Organic light emitting display and its driving method - In an organic light emitting display and its driving method, a pixel portion includes a plurality of pixels which express images corresponding to a scan signal, an emission control signal, and a data signal. A scan driver transfers the scan signal and the emission control signal to the pixel portion. A data driver generates and transfers a plurality of data signals to the pixel portion using video data. A frame memory stores and transfers the video data in frame periods to the data driver. A luminance controller determines a pulse of the emission control signal using frame data, which is a sum of video data stored in the frame memory. A power supply unit supplies voltages of first and second power sources to the pixel portion. The luminance controller determines the number and widths of pulses in the emission control signal corresponding to a sum of the video data. | 10-09-2008 |
20090033685 | Organic light emitting display and driving method thereof - The present invention provides an organic light emitting display and a driving method the same capable of improving image quality by reducing luminance variations depending on temperature. The organic light emitting display and a driving method of the present invention includes a temperature sensor unit sensing ambient temperature and outputting temperature compensation signals corresponding to the ambient temperature, a light sensor unit sensing ambient light and outputting light control signals corresponding the ambient light, a correction unit generating gamma correction signals corresponding to the temperature compensation signals and the light control signals, and a data driver generating data signals corresponding to the gamma correction. | 02-05-2009 |
20090261718 | Organic light emitting diode display - An organic light emitting diode display includes a panel assembly for displaying an image and a first surface stress enhancing member arranged on a rear surface of the panel assembly. In one embodiment, the organic light emitting diode display includes a second surface stress enhancing member arranged on a front surface of the panel assembly. In anther embodiment, the organic light emitting diode display includes a lower bezel arranged on a rear surface of the first surface stress enhancing member and a shock absorption tape arranged between the first surface stress enhancing member and the lower bezel. The structure of the organic light emitting diode display efficiently prevents damages caused by an external impact. | 10-22-2009 |
Patent application number | Description | Published |
20140179952 | CATALYST FOR REDUCTIVE AMINATION-REACTION AND USES THEREOF - The present invention relates to a catalyst for reductive amination-reaction, and uses thereof. The catalyst according to the present invention can show high amine conversion rate because it can maintain the catalytic activity even in the presence of moisture especially while maintaining the balance of dehydrogenation and hydrogenation reaction basically. Accordingly, the catalyst can be usefully used for preparing a polyetheramine compound through reductive amination-reaction not only in a continuous preparation process but also in a batch preparation process, irrespective of the existence of moisture. | 06-26-2014 |
20160074848 | ETHANOL DEHYDRATION CATALYST FOR ENERGY SAVING AND METHOD OF MANUFACTURING ETHYLENE USING SAME - Provided are an ethanol dehydration catalyst having a high ethylene yield even at a low temperature region, as an ethanol dehydration catalyst for converting a feedstock including anhydrous ethanol or hydrous ethanol to ethylene, and a method of preparing ethylene by using the same. In the ethanol dehydration catalyst for converting a feedstock including anhydrous ethanol or hydrous ethanol to ethylene of the present invention, the catalyst includes 0.1 wt % to 0.5 wt % of lanthanum (La) or 0.05 wt % to 1 wt % of gallium (Ga) in ZSM-5. | 03-17-2016 |
20160075952 | METHOD FOR SEPARATING AROMATIC COMPOUNDS CONTAINED IN NAPHTHA - The present invention relates to a method for separating aromatic compounds contained in naphtha which includes an extraction step of contacting specific ionic liquids and naphtha and a step of separating the aromatic compounds from naphtha contacted with the ionic liquids. | 03-17-2016 |
20160096922 | CATALYST FOR REDUCTIVE AMINATION REACTION AND USE THEREOF - The present invention relates to a catalyst for reductive amination-reaction, and uses thereof. The catalyst according to the present invention can show a high amine conversion rate because it can maintain catalytic activity even in the presence of moisture particularly while basically maintaining the balance of dehydrogenation and hydrogenation reactions. Accordingly, the catalyst can be usefully used for preparing a polyetheramine compound through a reductive amination-reaction not only in a continuous preparation process but also in a batch preparation process, irrespective of the existence of moisture. | 04-07-2016 |