Patent application number | Description | Published |
20120255379 | ACTUATOR FOR VEHICLE - An actuator for a vehicle capable of selectively opening and closing a waste gate valve provided in a turbocharger is disclosed. The actuator includes a driving motor having a motor shaft, a gear assembly comprising a plurality of gears engaging with each other and with the motor shaft, a connecting unit connected with the gear assembly to move along the operation of the gear assembly, wherein the connecting unit is connected with a waste gate valve provided in a turbocharger housing. | 10-11-2012 |
20130040220 | OXIDATION-RESISTANT FERRITIC STAINLESS STEEL, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL INTERCONNECTOR USING THE FERRITIC STAINLESS STEEL - An oxidation-resistant ferritic stainless steel comprising: a ferritic stainless steel comprising Cr, wherein a {110} grain orientation fraction of a surface of the ferritic stainless steel as measured using electron back scattered diffraction pattern (EBSD) is about 5% or more; and a chromium oxide layer formed on the surface of the ferritic stainless steel is provided. | 02-14-2013 |
20130143141 | OXIDATION RESISTANT FERRITIC STAINLESS STEEL, METHOD OF MANUFACTURING THE STEEL, AND FUEL CELL INTERCONNECT USING THE STEEL - An oxidation-resistant ferritic stainless steel including a ferritic stainless steel base material, and a Cu-containing spinel-structured oxide. | 06-06-2013 |
20140140920 | VANADIUM-BASED HYDROGEN PERMEATION ALLOY FOR MEMBRANE, METHOD OF MANUFACTURING THE SAME, AND METHOD OF USING THE MEMBRANE - A vanadium-based hydrogen permeation alloy for a membrane, a method of manufacturing the same, and a method of using a membrane including the same are provided. The vanadium-based hydrogen permeation alloy for a membrane includes nickel (Ni) at more than 0 atm % and 5 atm % or less, iron (Fe) at 5 atm % to 15 atm %, yttrium (Y) at more than 0 atm % and 1 atm % or less, and a remainder of vanadium and impurities. | 05-22-2014 |
20140338961 | MEMBER FOR FLEXIBLE ELEMENT AND MANUFACTURING METHOD THEREOF - In the present invention, a copper electrode having a nanohole structure is prepared by using a polymer substrate in the form of nanopillars in order to avoid fatigue fracture that causes degradation of electrical and mechanical properties of a flexible electrode during repetitive bending of a typical metal electrode. The nanohole structure may annihilate dislocations to suppress the initiation of fracture and may blunt crack tips to delay the propagation of damage. Therefore, the nanohole electrode exhibits very small changes in electrical resistance during a bending fatigue test. | 11-20-2014 |
Patent application number | Description | Published |
20090298023 | Electrical Components and Bread-Board for Electrical Circuit Study Kit - Provided are electrical components and a breadboard for an electronic circuit study kit. The breadboard includes: a base formed of a metallic material to a predetermined width so that an electronic circuit kit can be attached to the base by a magnetic force; an interconnection sheet which is disposed on an upper portion of the base and in which a plurality of power pads for electric short and a plurality of ground pads which are adjacent to one another on its upper surface, are formed to be spaced apart from one another from one side direction to the other side direction on a plane, the power pads and the ground pads are connected to power terminal pads and ground terminal pads which are formed in predetermined positions of an upper surface of the interconnection sheet, respectively, a plurality of interconnection pads are formed between one power pad and one ground pad which are adjacent to each other from another power pad and another ground pad which are adjacent to each other, to be spaced apart from one another in a predetermined pattern, the interconnection sheet being formed of one of a thin plate and a film sheet made of an insulating material; a circuit board which is disposed on an upper portion of the interconnection sheet and in which terminal holes are respectively formed in corresponding positions of the power terminal pads and the ground terminal pads of the interconnection sheet and a plurality of circuit connection holes are perforated by a predetermined distance so that the circuit connection holes can be located on vertical upper portions of the power pads, the ground pads and the interconnection pads of the interconnection sheet; an insulating plate disposed on a lower portion of the base and formed of an insulating material; and a combining means of the circuit board allowing the base to be combined with an upper portion of the insulating plate, the interconnection sheet to be combined with an upper portion of the base and the circuit board to be disposed and fixed on an upper portion of the interconnection sheet. | 12-03-2009 |
20100048038 | MAGNETIC COMPONENT CONNECTOR, CIRCUIT BOARDS FOR USE THEREWITH, AND KITS FOR BUILDING AND DESIGNING CIRCUITS - Printed circuit boards and breadboard devices have contact pads and magnetic component connectors where connection between the contact pads and the magnetic component connectors are made by magnetic force. Either the contact pad or the magnetic component connector will be magnetic and the other will be made of a material to which a magnet will be attracted. For example, printed circuit boards, which usually have copper traces, include contact pads made of a material to which a magnet will be attracted. Circuit components are connected to magnetic component connectors having magnetic legs which then connect the components to the contact pads of the circuit board or breadboard device. This makes the connection of components to a printed circuit board or breadboard device fast and easy and provides for easy removal and replacement of components. Magnetic component connectors can also be configured to connect magnetically to one another. | 02-25-2010 |
Patent application number | Description | Published |
20100053125 | DISPLAY DRIVER INTEGRATED CIRCUIT APPARATUS AND METHOD OF OPERATING THE SAME - A display driver integrated circuit (IC) apparatus having an improved data transmission characteristic, an electronic apparatus having the same, and a method of operating the same. The display driver IC apparatus includes a memory unit to store data, a logic circuit unit to perform data processing of a plurality of pieces of data that are read by the memory unit through a plurality of data lines, and a switching unit disposed on the plurality of data lines between the memory unit and the logic circuit and comprising transmission gates corresponding to the plurality of data lines, so as to control transmission of the plurality of pieces of data that are read by the memory. | 03-04-2010 |
20100225678 | DISPLAY DRIVER CIRCUIT - A display driver circuit configured to be shared by three grey-scale voltage generators to be respectively used with red (R), green (G) and blue (B) colors. In particular, two of the three grey-scale voltage generators share first and second resistor strings, gamma voltage selectors, and gamma adjustment buffers provided in the other grey-scale voltage generator, thereby reducing the size and power consumption of the display driver circuit. Also, when only a single grey-scale voltage is output, it is possible to deactivate the grey-scale voltages provided by two of the grey-scale generators and further reduce power consumption. | 09-09-2010 |
20110032279 | DISPLAY DRIVER CIRCUIT AND DISPLAY DEVICE - A display driver circuit and a display device are provided. The display driver circuit may have positive and negative resistor strings that are symmetrically formed and include a plurality of resistors, and applies a gamma voltage to one of the positive and negative resistor strings in response to a polarity selection signal, thereby generating and outputting a positive grayscale voltage and a negative grayscale voltage. | 02-10-2011 |
20110037750 | DISPLAY DEVICE AND DRIVING CIRCUIT THEREOF - A driving circuit of a display device is provided. The driving circuit applies a first external voltage to a source line of a display panel before a source driving voltage is applied to the source line and applies at least one second external voltage to a common electrode of the display panel before one between a first common voltage and a second common voltage is applied to the common electrode, thereby reducing the driving power of the display device. | 02-17-2011 |
20120206506 | SYSTEMS AND METHODS FOR DRIVING A DISPLAY DEVICE - A source driver, a display device including the same, and a method of driving the display device are provided. The source driver includes a global block configured to output “k” global gamma voltage signals, where “k” is 2 or an integer greater than 2. Each “k” global gamma voltage signal comprises a plurality of grayscale voltages and a pre-emphasis voltage that is output from the global block prior to each of the plurality of grayscale voltages. A channel driver is configured to select a global gamma voltage signal of the “k” global gamma voltage signals. The selected global gamma voltage signal includes a grayscale voltage of the plurality of grayscale voltages. The channel driver outputs the grayscale voltage to a source line in response to the channel driver receiving image data. | 08-16-2012 |
20130162304 | Gate Line Driver Capable Of Controlling Slew Rate Thereof - A gate line driver including an output buffer configured to receive a driving signal and output a driving voltage, and a slew rate controller including at least one capacitor and a switch connected in series to the at least one capacitor, the switch configured to selectively, electrically connect the at least one capacitor between an input terminal and an output terminal of the output buffer according to a slew rate control signal to control a slew rate of the output buffer. | 06-27-2013 |
20140203855 | GATE LINE DRIVER CAPABLE OF CONTROLLING SLEW RATE THEREOF - A gate line driver including an output buffer configured to receive a driving signal and output a driving voltage, and a slew rate controller including at least one capacitor and a switch connected in series to the at least one capacitor, the switch configured to selectively, electrically connect the at least one capacitor between an input terminal and an output terminal of the output buffer according to a slew rate control signal to control a slew rate of the output buffer. | 07-24-2014 |
20140253532 | DISPLAY DRIVING DEVICE, DISPLAY APPARATUS AND METHOD FOR OPERATING THE SAME - A display driving device includes a first source amplifier that receives first display data and supplies a first pixel voltage to a first pixel based on the received first display data, and a second source amplifier that receives second display data and first control data and supplies a second pixel voltage to a second pixel based on the received second display data and first control data. The second source amplifier has a first stage in which a first process is performed on an input signal based on the second display data, and a second stage in which a second process is performed on the first processed input signal to output the second pixel voltage. The first source amplifier may be configured to conditionally supply the first pixel voltage to the second pixel. | 09-11-2014 |
20150049076 | DISPLAY DRIVING CIRCUIT AND DISPLAY DEVICE - A display device includes a timing controller to generate a plurality of data control signals, a source driving unit to receive the plurality of data control signals from the timing controller and generate a data voltage, and a display panel to receive the data voltage and output an image, wherein the source driving unit transmits the data voltage to the display panel, through a plurality of data lines, with delays that are respectively different corresponding each frame. | 02-19-2015 |
20150222252 | BUFFER CIRCUIT HAVING AMPLIFIER OFFSET COMPENSATION AND SOURCE DRIVING CIRCUIT INCLUDING THE SAME - Provided are an output buffer circuit having an amplifier offset compensation function and a source driving circuit including the output buffer circuit. The output butler circuit may include a plurality of channel amplifiers, each of which is configured to adjust an amount of current flowing through transistors connected to at least one of a non-inverted input terminal and an inverted input terminal of a differential input unit to compensate an amplifier offset, and adjust buffer input voltage signals to generate output voltage signals. | 08-06-2015 |
20150364093 | GRADATION VOLTAGE GENERATOR AND DISPLAY DRIVING APPARATUS - A gradation voltage generator for applying a gradation voltage according to gamma characteristics of a display panel includes a reference gamma selector that receives a maximum reference voltage, a minimum reference voltage, and a first reference voltage, and selects and outputs a maximum gamma voltage and a minimum gamma voltage from among voltages between the maximum reference voltage and the minimum reference voltage, wherein when the maximum reference voltage changes, the minimum gamma voltage is compensated by a difference the changed maximum reference voltage and the first reference voltage and a gamma curve controller that receives the maximum gamma voltage and the minimum gamma voltage, and generates and outputs a plurality of gradation voltages. | 12-17-2015 |
Patent application number | Description | Published |
20090042608 | MOBILE TERMINAL AND METHOD OF CONNECTING EXTERNAL DEVICE TO MOBILE TERMINAL - A mobile terminal and method of connecting an external device to a mobile terminal are provided that facilitates management of multimedia contents between the mobile terminal and the external device to which the mobile terminal is connected. The present invention includes an interface unit for connecting the mobile terminal to an external device and a control unit that controls the mobile terminal to be connected to the external device in a non-multimedia content management protocol mode if the external device does not support a multimedia content management protocol mode. | 02-12-2009 |
20100001984 | GAMMA VOLTAGE CONTROLLER, GRADATION VOLTAGE GENERATOR AND DISPLAY DEVICE HAVING THE SAME - A gamma voltage controller includes a gamma distribution unit that generates a plurality of voltages by performing voltage divisions between a first gradation voltage and a N(th) gradation voltage, a gamma selection unit having first through M(th) gamma selectors that respectively select first through M(th) gamma voltages among the plurality of voltages, a gamma buffer unit that changes inflection points of the gamma curve, and buffers the first through M(th) gamma voltages to output buffered first through M(th) gamma voltages, and a gradation distribution unit that generates second through N−1(th) gradation voltages by performing voltage divisions among the buffered first through M(th) gamma voltages. Each of the buffers includes a feedback loop, and some of the buffers change inflection points of the gamma curve. | 01-07-2010 |
20130271507 | GRADATION VOLTAGE GENERATOR AND DISPLAY DRIVING APPARATUS - A gradation voltage generator for applying a gradation voltage according to gamma characteristics of a display panel includes a reference gamma selector that receives a maximum reference voltage, a minimum reference voltage, and a first reference voltage, and selects and outputs a maximum gamma voltage and a minimum gamma voltage from among voltages between the maximum reference voltage and the minimum reference voltage, wherein when the maximum reference voltage changes, the minimum gamma voltage is compensated by a difference the changed maximum reference voltage and the first reference voltage and a gamma curve controller that receives the maximum gamma voltage and the minimum gamma voltage, and generates and outputs a plurality of gradation voltages. | 10-17-2013 |