Patent application number | Description | Published |
20080278414 | Plasma display device and driving method thereof - A device and method for driving a plasma display including a first electrode, a second electrode, and a third electrode crossing the first and second electrodes, and a gap between the first and second electrodes is wider than a gap between the first and third electrodes. In this method, a first voltage is applied to the first electrode during a first period of a sustain period, and a second voltage that is lower than the first voltage is applied to the second electrode and a third voltage that is lower than the second voltage is subsequently applied to the second electrode during at least a part of the first period. | 11-13-2008 |
20090258261 | FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME - A fuel cell system and a control method thereof are capable of preventing anode flooding due to a temperature difference between a stack and reformate upon starting a fuel cell system. The method of controlling a fuel cell system including steps of detecting a temperature of a fuel cell stack, detecting a temperature of reformate that is generated in a fuel reformer and then is supplied to the fuel cell stack through a heat exchanger, and setting the temperature of the reformate to be lower than the temperature of the fuel cell stack during a starting time of the fuel cell system. | 10-15-2009 |
20090258265 | Fuel supply device for fuel cell and fuel cell system using the same - A fuel supply device for a fuel cell and a fuel cell system using the same that prevent H | 10-15-2009 |
20100159296 | Fuel cell system and driving method thereof - Disclosed are a fuel cell system, and a method of driving the system. The fuel cell system includes a fuel cell stack having a plurality of unit cells producing electricity, a switching unit connecting the plurality of unit cells to a discharge resistor, a switching controller synchronously operated when the voltage of the fuel cell stack reaches an open circuit voltage after power generation of the fuel cell stack is stopped. The switching controller generates select control signals to control the switching unit. The fuel cell system further includes a sensing unit measuring respective cell voltages of the plurality of unit cells and generating cell voltage sensing signals to control activation periods of the select control signals. | 06-24-2010 |
20100176876 | FUEL CELL SYSTEM - A fuel cell system, and a method of operating the fuel cell system to measure a performance difference of unit cells via an application-specific integrated circuit (ASIC) and to drive the ASIC with a low voltage from a separately included power source supply device. | 07-15-2010 |
20130014055 | DEVICE AND METHOD FOR INDUCING USE - The device for inducing use according to the present invention comprises an input unit for receiving user input, an event storage unit for storing a plurality of events which can be perceived by the user, an event extraction unit for extracting one of the events stored in the event storage unit if the user input is sensed at the input unit, and an event expression unit for displaying the event extracted from the event extraction unit to the user; thereby making it possible to induce the user to use the input unit in an enjoyably engaged fashion. | 01-10-2013 |
20140320438 | DISPLAY DEVICE INCLUDING TOUCH PANEL AND METHOD OF EVALUATING VISIBILITY OF ELECTRODE PATTERN OF TOUCH PANEL - Disclosed herein is a display device including a touch panel, including: a transparent substrate; an electrode pattern formed as a mesh pattern on the transparent substrate; and a display unit correspondingly coupled to the electrode pattern, wherein a ratio of a pitch of the electrode pattern to a pitch of a pixel of the display unit is 1:0.3 to 1:0.5. Therefore, the Moire phenomenon that may be generated between the electrode pattern of the touch panel and the pixel pattern of the display unit coupled to the touch panel may be prevented. | 10-30-2014 |
20150200209 | THIN FILM TRANSISTOR ARRAY PANEL AND METHOD OF MANUFACTURING THE PANEL - A thin film transistor array panel includes: a gate line disposed on a substrate and including a first connection member of a gate driver region and a gate electrode of a display area, a gate insulating layer disposed on the substrate and having a first contact hole exposing the first connection member, a semiconductor layer disposed on a region of the gate insulating layer, a data line disposed on the gate insulating layer and the semiconductor layer and including a drain electrode, a source electrode, and a second connection member connected to the first connection member through the first contact hole, a passivation layer disposed on the data line, the source electrode, the drain electrode, and the second connection member, and a pixel electrode disposed on the passivation layer and electrically connected to the drain electrode. A horizontal width of the first contact hole ranges from 1 to 2 μm. | 07-16-2015 |