Patent application number | Description | Published |
20100294543 | HEAT DISSIPATING SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a heat dissipating substrate having a structure in which two two-layered core substrates, each including a metal core functioning to radiate heat, are laminated and connected in parallel to each other, thus accomplishing more improved radiation performance, and a method of manufacturing the same. | 11-25-2010 |
20100295172 | POWER SEMICONDUCTOR MODULE - Disclosed is a power semiconductor module having improved heat dissipation performance, including an anodized metal substrate including a metal plate, an anodized layer formed on a surface of the metal plate, and a circuit layer formed on the anodized layer on the metal plate, a power device connected to the circuit layer, and a housing mounted on the metal plate and for defining a sealing space which accommodates a resin sealing material for sealing the circuit layer and the power device. | 11-25-2010 |
20110012252 | POWER SEMICONDUCTOR MODULE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a power semiconductor module. The module includes metal plates each having a first through hole, with an anodic oxidation layer formed on a surface of metal plates and an interior of the first through hole. A cooling member has a second through hole at a position corresponding to the first through hole, and the metal plates are attached to both sides of the cooling member. A circuit layer is formed on the anodic oxidation layer and performs an interlayer connection through a via formed in the first and second through holes. A power device is connected to the circuit layer. A resin encapsulant encloses the circuit layer and the power device. A housing is installed to each of the metal plates to form a sealing space for the resin encapsulant. | 01-20-2011 |
20110031608 | POWER DEVICE PACKAGE AND METHOD OF FABRICATING THE SAME - Disclosed is a power device package, which has high heat dissipation performance and includes an anodized metal substrate including a metal plate having a cavity formed on one surface thereof and an anodized layer formed on both the surface of the metal plate and the inner wall of the cavity and a circuit layer formed on the metal plate, a power device mounted in the cavity of the metal plate so as to be connected to the circuit layer, and a resin sealing material charged in the cavity of the metal plate. A method of fabricating the power device package is also provided. | 02-10-2011 |
20120015484 | POWER SEMICONDUCTOR MODULE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a power semiconductor module. The module includes metal plates each having a first through hole, with an anodic oxidation layer formed on a surface of metal plates and an interior of the first through hole. A cooling member has a second through hole at a position corresponding to the first through hole, and the metal plates are attached to both sides of the cooling member. A circuit layer is formed on the anodic oxidation layer and performs an interlayer connection through a via formed in the first and second through holes. A power device is connected to the circuit layer. A resin encapsulant encloses the circuit layer and the power device. A housing is installed to each of the metal plates to form a sealing space for the resin encapsulant. | 01-19-2012 |
20120104621 | POWER PACKAGE MODULE AND METHOD FOR FABRICATING THE SAME - Disclosed herein are a power package module and a method for fabricating the same, including: a base substrate; a plurality of high power chips and a plurality of low power chips electrically connected to the base substrate; and a plurality of metal lead plates electrically connecting the plurality of high power chips and the plurality of low power chips to the base substrate. | 05-03-2012 |
20120273116 | HEAT DISSPIATING SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a heat dissipating substrate having a structure in which two two-layered core substrates, each including a metal core functioning to radiate heat, are laminated and connected in parallel to each other, thus accomplishing more improved radiation performance, and a method of manufacturing the same. | 11-01-2012 |
Patent application number | Description | Published |
20110241578 | METHOD FOR CONTROLLING PERMANENT MAGNET SYNCHRONOUS MOTOR - The present invention provides a method for controlling a permanent magnet synchronous motor used in electric vehicles such as hybrid vehicles, fuel cell vehicles, and the like. The method for controlling the permanent magnet synchronous motor preferably includes detecting an absolute angular position of a permanent magnet synchronous motor; calculating a rotational speed of the permanent magnet synchronous motor based on the detected absolute angular position; detecting a voltage of a battery as a power source; calculating a compensated speed, for which a battery voltage variation is compensated, from the rotational speed of the permanent magnet synchronous motor based on a torque command, the rotational speed of the permanent magnet synchronous motor, and the battery voltage; generating a d-axis current command and a q-axis current command corresponding to the torque command and the compensated speed using a predetermined current command map; converting three-phase currents flowing into the permanent magnet synchronous motor into a d-axis feedback current and a q-axis feedback current based on the detected absolute angular position; calculating a d-axis voltage command and a q-axis voltage command based on the d-axis current command, the q-axis current command, the d-axis feedback current, and the q-axis feedback current; converting the d-axis voltage command and the q-axis voltage command into three-phase voltage commands based on the detected absolute angular position; and controlling the operation of the permanent magnet synchronous motor based on the three-phase voltage commands. | 10-06-2011 |
20140022289 | Organic Light Emitting Diode Display Device for Sensing Pixel Current and Pixel Current Sensing Method Thereof - The present invention relates to an organic light emitting diode display device capable of sensing driving current of each pixel with a simple configuration to compensate for a luminance deviation between pixels and a pixel current sensing method thereof. The organic light emitting diode display device includes a display panel including 2N (N being a natural number) pixels that share a reference line though which a reference signal is supplied and are respectively connected to 2N data lines through which data signals are applied, and a data driver for driving the 2N pixels sharing the reference line in a time division manner through the data lines, sensing currents of the time-division-driven 2N pixels as voltages through the shared reference line and outputting the sensed currents, in a sensing mode. | 01-23-2014 |
20140139510 | Organic Light Emitting Display Device - An organic light emitting display device includes a panel driver and a display panel including a plurality of pixels having a pixel circuit, a first driving voltage terminal connected to the driving transistor, a light emitting element, a second driving voltage terminal connected to the light emitting element, and a capacitor connected between a gate and source electrode of the driving transistor, the panel driver to drive the pixel circuit in a data charging period in which a difference between a data and reference voltage is charged into the capacitor, and a light emitting period in which the driving transistor receives a first driving voltage from the first driving voltage terminal and is turned on according to the voltage charged into the capacitor during the data charging period, whereby a current is supplied to the light emitting element which thereby emits light. | 05-22-2014 |
Patent application number | Description | Published |
20080218652 | Liquid crystal display device - A liquid crystal display device for reducing power consumption is disclosed. | 09-11-2008 |
20100156862 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device is disclosed. The liquid crystal display device includes an output portion which is configured to include an output transistor having a large capacitor component. As such, the liquid crystal display device can enhance the response speed of liquid crystal. | 06-24-2010 |
20130140537 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - Disclosed is an organic light-emitting display device defined into a non-display area and a display area which is provided with pixels. Each of the pixels includes: first through fourth nodes; an organic light emission element connected to the fourth node; a drive transistor disposed between the second, third, and fourth nodes and configured to generate a drive current which drives the organic light emission element to emit light; a storage capacitor disposed between the first and third nodes; first through fifth transistors; wherein the fifth transistor is disposed between the second node with the non-display area and a reference voltage line and configured to control an initialization of the second node. | 06-06-2013 |
20130147690 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE WITH SIGNAL LINES FOR CARRYING BOTH DATA SIGNAL AND SENSING SIGNAL - An organic light-emitting display device having a signal line that is shared by a first column of pixels and a second column of pixels to transmit a data signal and a sensing signal. The organic light-emitting display device includes a plurality of columns of pixels, and a plurality of signal lines extending between the plurality of columns of pixels. Each of the plurality of signal lines is configured to transmit a data signal from a data driver to the first column of pixels at first times. The data signals control the operation of an organic light-emitting element in the first column of pixels. The same signal line transmits a sensing signal from the second column of pixels to the data driver at second times. The sensing signal represents a variable property of an electrical component in a pixel of the second column of pixels. | 06-13-2013 |
20140111498 | DISPLAY DEVICE INCLUDING POWER CONTROLLER AND METHOD OF DRIVING THE SAME - There is provided a display device including: a display panel including a display area consisting of a plurality of pixel areas, and a non-display area surrounding the display area; a plurality of power lines formed on the display area to supply a first voltage to the plurality of pixel areas; a first power link line connected to the plurality of first power lines, and formed on the non-display area; and a plurality of drivers connected to the display panel, and including a plurality of output pads and a plurality of first power pads, the plurality of (first) power pads disposed between the plurality of output pads and respectively connected to the plurality of first power link lines. | 04-24-2014 |
20140139413 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - Discussed is an organic light emitting display device. The organic light emitting display device includes a first substrate configured to include an active area including a plurality of pixels and upper, lower, left, and right inactive areas defined near the active area, and a second substrate facing-coupled to the first substrate. The first substrate includes a plurality of data lines and a plurality of gate lines formed in the active area, a plurality of driving power lines formed in parallel with the plurality of data lines to supply a driving voltage to the pixels, a cathode electrode layer connected to the pixels in common to supply a cathode voltage to the pixels, a plurality of driving power pads provided in each of the upper and lower inactive areas, and a plurality of cathode connection parts provided in each of the left and right inactive areas. | 05-22-2014 |
20140176400 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - Disclosed are an organic light emitting display device and a method of driving the same. The organic light emitting display device includes a display panel including a plurality of pixels including a pixel circuit for emitting light from an organic light emitting diode and a driving circuit unit driving the display panel. The driving method includes sensing a characteristic of a driving TFT of each of the pixels of the display panel to generate sensing data according to a user's setting using an input device, at a predetermined compensation driving time, or when an error occurs in sensing data generated by real-time sensing of each pixel of the display panel, and compensating for the characteristic of the driving TFT of each pixel by using the sensing data. | 06-26-2014 |
20140176516 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A method of driving an organic light emitting display device includes sensing characteristics of driving TFTs of pixels to generate sensing data at a power-on time when the organic light emitting display device is powered on, merging initial compensation data and the sensing data at the power-on time to compensate for the characteristics of the driving TFTs of all the pixels, displaying an image in a driving mode and sequentially sensing characteristics of driving TFTs of a plurality of pixels in units of one horizontal line in real time during a blank interval between frames, and sequentially compensating for the characteristics of the driving TFTs of the pixels in units of one horizontal line in real time by using a real-time sensing data generated by real-time sensing. | 06-26-2014 |
20150062192 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - Discussed is an organic light emitting display device. The organic light emitting display device in one embodiment includes a plurality of pixels configured to each include an organic light emitting device which emits light with a data current, and a pixel circuit that includes a driving transistor which supplies the data current, which is based on a difference voltage between a data voltage and a reference voltage, to the organic light emitting device, a plurality of data lines configured to respectively supply a plurality of the data voltages to the plurality of pixels, a plurality of gate lines configured to supply a gate signal to the pixels, and a plurality of reference lines connected to at least one of the pixels, and configured to supply the reference voltage to the connected pixel. The reference voltage is varied according to data of a pixel connected to a corresponding reference line. | 03-05-2015 |
Patent application number | Description | Published |
20110095603 | EMERGENCY CONTROL APPARATUS AND METHOD FOR USE - The present invention provides an emergency control apparatus, and method which maintains the power flow between a battery and an inverter and the operation state of an electric vehicle in the event of failure of a bidirectional DC-DC converter connected between the battery as a power source and the inverter for operating a drive motor. | 04-28-2011 |
20110106469 | CIRCUIT AND METHOD FOR DETECTING SHORT AND DISCONNECTION OF RESOLVER FOR HYBRID ELECTRIC VEHICLE - The present invention relates to a circuit and method for detecting a short and a disconnection of a resolver for a Hybrid Electric Vehicle (HEV), which can accurately analyze and detect the fault code of the resolver which detects the speed of a drive motor for an HEV and the angle of a rotator for an HEV. | 05-05-2011 |
20110134959 | METHOD FOR MEASURING TEMPERATURE OF MOTOR FOR HYBRID ELECTRIC VEHICLE - The present invention provides a method for measuring the temperature of a motor for a hybrid electric vehicle. In preferred embodiments, the method of the present invention can preferably ensure the stability and reliability of motor control by extending the linearity of a temperature sensor attached to the motor within a required measurement range. | 06-09-2011 |
20110260663 | METHOD FOR COMPENSATING NONLINEARITY OF RESOLVER FOR HYBRID AND FUEL CELL VEHICLES - The present invention provides a method for compensating nonlinearity of a resolver to control a motor in hybrid and fuel cell vehicles, thereby stably controlling the motor current during high-torque and high-speed operation. In preferred aspects, the present invention provides a method for compensating nonlinearity of a resolver to control a motor in hybrid and fuel cell vehicles, the method including collecting resolver position data; determining whether to perform resolver position correction in the corresponding vehicle; and compensating nonlinearity of the resolver based on the collected resolver position data, if it is determined that the resolver position correction is not performed. | 10-27-2011 |
20130151042 | TECHNIQUE FOR COMPENSATING FOR ABNORMAL OUTPUT OF RESOLVER FOR ENVIRONMENTALLY FRIENDLY VEHICLE - Disclosed is a technique for compensating for an abnormal output of a resolver. More specifically, a central processing unit (CPU) sets a current motor position angle before compensation θ | 06-13-2013 |
20140222266 | INTEGRATED ELECTRONIC POWER CONTROL UNIT OF ENVIRONMENTALLY-FRIENDLY VEHICLE - An integrated electronic power control unit of an environmentally-friendly vehicle that may reduce costs and enhance structure and space utilization by integrally configuring at least two or more electronic power control units (EPCUs) disposed within the environmentally-friendly vehicle. The integrated electronic power control unit (EPCU) includes a plurality of EPCUs such as a motor control unit (MCU), a low voltage DC-DC converter (LDC), or a hybrid control unit (HCU), wherein at least one or more components of the plurality of EPCUs are integrated. In addition, the integrated electronic power control unit includes a hardware failure management unit (HFM) that is configured to detect and manage a failure of hardware including the at least one or more integrated components. | 08-07-2014 |
20150077156 | INTERFACE CIRCUIT FOR DETECTING FAULT OF RESOLVER AND METHOD THEREOF - An interface circuit for detecting a fault in a resolver is provided. More specifically, the interface circuit includes the resolver connected to an intermediate point of a stator coil of a first output terminal for a sine wave signal and an intermediate point of the stator coil of a second output terminal for a cosine wave signal to output the sine and cosine wave signals as a common mode signal. Also includes is resolver fault detection interface unit that adjusts a gain and an offset of the sine wave signal and the cosine wave signal in order to adjust the sine wave signal and the cosine wave signal received as a common mode signal to a frequency that can be suitably applied to an analog/digital terminal of a microcomputer, and to allow high-frequency components of the sine wave signal and the cosine wave signal to pass therethrough. | 03-19-2015 |
Patent application number | Description | Published |
20120254410 | COMPUTER SERVER CAPABLE OF SUPPORTING CPU VIRTUALIZATION - A computer server includes a CPU (Central Processing Unit) pool including a plurality of CPUs, at least two partitions being exclusively offered the plurality of the CPUs and independently performing an operation system and a resource managing and monitoring unit managing a CPU allocation and retrieval of the at least two partitions based on a number of currently available CPU and a number of currently used CPU. The resource managing and monitoring unit monitors partition status information (the partition status information including the number of currently used CPU, a number of guaranteed CPU, a CAP status and a number of maximum available CPU) for measuring a ratio of CPU usage about each of the at least two partitions. | 10-04-2012 |
20150057974 | METHOD OF REPRESENTING USAGE QUANTITIES OF AT LEAST ONE EXECUTION CORE AND USER TERMINAL PERFORMING THE SAME - Disclosed is a method of representing usage quantity of an execution core. The method includes (a) receiving a specific process display mode among a plurality of process display modes, (b) measuring the usage quantities of the at least one execution core according to the specific process display mode, the usage quantities including at least one of maximum and average usage quantities or a current usage quantity for a corresponding execution core and (c) overlaidly representing the measured usage quantities at a reference point of a specific axis. Therefore, usage quantities for a process may be overlaidly represented so that the user may efficiently analyze and manage the usage quantities on a small screen. | 02-26-2015 |
20150067523 | METHOD OF CONTROLLING MEASUREMENT WINDOW AND USER TERMINAL PERFORMING THE SAME - This application relates to a method of controlling a measurement window and the method includes (a) measuring measurement targets according to measurement cycles for a plurality of measurement windows, (b) displaying measurement values for the plurality of the measurement targets on a measurement target sub window of each of the plurality of the measurement windows in a time-series order, (c) detecting a temporal position of an event to provide the event when the event occurs at one of the plurality of the measurement windows, (d) detecting the temporal position for each of at least one of other measurement windows and (e) providing the event at a corresponding temporal position for each of the at least one of other measurement window. Therefore, the method may simultaneously display a system measurement value generated at a specific time on a plurality of windows. | 03-05-2015 |
20150135020 | METHOD OF ANALYSING MEMORY USAGE AND USER TERMINAL PERFORMING THE SAME - This application relates to a method of analyzing the memory usage being performed on a user terminal, the user terminal executing a plurality of application objects and the method includes (a) measuring an active virtual memory (AVM) usage being used in the plurality of application objects, (b) determining a physical memory usage from the active virtual memory when measuring the active virtual memory usage and (c) subtracting the physical memory usage from the measured active virtual memory usage to determine a swap unique memory usage. Therefore, it may be possible to efficiently measure the memory usage used only in the swap memory from the active virtual memory. | 05-14-2015 |
20150135187 | METHOD FOR MONITORING RESOURCES IN COMPUTING DEVICE, AND COMPUTING DEVICE - A resource monitoring method comprises the steps of: generating process information including a process identifier, process user, process name, CPU usage, and IO usage; determining at least one first process having the same process user and process name from among a plurality of processes currently being executed; | 05-14-2015 |