Patent application number | Description | Published |
20080203915 | MATERIAL OF PROTECTIVE LAYER, METHOD OF PREPARING THE SAME, PROTECTIVE LAYER FORMED OF THE MATERIAL, AND PLASMA DISPLAY PANEL INCLUDING THE PROTECTIVE LAYER - A material for preparing a protective layer for a PDP, which reduces discharge delay time, improves temperature dependency, and has enhanced ion strength; a method of preparing the same; a protective layer formed of the material; and a PDP including the protective layer. More particularly, a material for a protective layer that includes monocrystalline magnesium oxide doped with a rare earth element at an amount of 2.0×10−5−1.0×10−2 parts by weight per 1 part by weight of magnesium oxide (MgO), a method of preparing the monocrystalline magnesium oxide by crystallizing it at about 2,800° C., a protective layer formed of the same, and PDP including the protective layer. | 08-28-2008 |
20080252635 | Interface system and flat panel display using the same - An interface system capable of minimizing an electro magnetic interference. The interface system may be constructed with a serializer for receiving a first data and second data having a plurality of bits from an external device and sequentially outputting bits of the received first data and second data; a transmission circuit including a decoder for converting two bits supplied from the serializer into three bits, a driver for controlling a flow of electric currents to correspond to the three bits and a transmission resistor to which a voltage is applied to correspond to the flow of the electric currents; a reception circuit including a reception resistor for receiving a voltage supplied the transmission resistor, amplifiers for amplifying a voltage applied to both ends of the reception resistor, comparators for recovering the three bits and an encoder for recovering the two bits using the three bit by comparing the voltage supplied to the amplifiers; a deserializer for recovering the first data and the second data while sequentially storing the two bits supplied from the reception circuit; and stabilization circuits for controlling the transmission circuit. | 10-16-2008 |
20080317944 | Protecting layer, composite for forming the same, method of forming the protecting layer, plasma display panel comprising the protecting layer - A protecting layer is formed of a magnesium oxide and at least one additional component selected from the group consisting of a copper component selected from copper and a copper oxide, a nickel component selected from nickel and a nickel oxide, a cobalt component selected from cobalt and a cobalt oxide, and an iron component selected from iron and an iron oxide; a composite for forming the protecting layer; a method of forming the protecting layer; and a plasma display panel including the protecting layer. The protecting layer, which is used in a PDP, protects an electrode and a dielectric layer from a plasma ion generated by a gaseous mixture of Ne and Xe, or He, Ne, and Xe, and discharge delay time and dependency of the discharge delay time on temperature can be decreased and sputtering resistance can be increased. | 12-25-2008 |
20090033232 | PLASMA DISPLAY AND VOLTAGE GENERATOR THEREOF - A plasma display device including a plasma display panel (PDP), a temperature detector for detecting temperature of the PDP, a driver for applying a driving voltage to a scan electrode, and a controller for generating a control signal to control the driver according to the temperature. The driver includes a transistor and first and second resistors. The transistor is coupled between a first power source and the scan electrode. The first power source supplies a scan voltage to the scan electrode. At least one of the first resistor and the second resistor is a variable resistor having a resistance that varies according to the control signal of the controller. A low discharge due to high temperature can be reduced or prevented, and the number of power sources of the plasma display device can be reduced. | 02-05-2009 |
20090040144 | Plasma display device and driving method thereof - A method of driving a plasma display device having a first electrode and a second electrode adjacent to one another in a discharge cell, including applying a first waveform at least once to the first electrode, the first waveform including a gradual increase from a first voltage to a second voltage followed by a gradual decrease from a third voltage to a fourth voltage, and applying a second waveform at least once to the first electrode after the first waveform is applied to the first electrode, the second waveform including a gradual increase from a fifth voltage to a sixth voltage followed by a gradual decrease from a seventh voltage to an eighth voltage. The first and second waveforms may be applied to the first electrode after turning on the plasma display device and before a display operation is performed. | 02-12-2009 |
20090058297 | PROTECTING LAYER COMPRISING MAGNESIUM OXIDE LAYER AND ELECTRON EMISSION PROMOTING MATERIAL, METHOD FOR PREPARING THE SAME AND PLASMA DISPLAY PANEL COMPRISING THE SAME - A protecting layer is formed of a magnesium oxide layer and electron emission promoting material formed on the magnesium oxide layer. The electron emission promoting material may be patterned on the magnesium oxide layer, or may be sprayed and heat-treated on the surface of the magnesium oxide layer. The protecting layer exhibits excellent electron emission characteristics while not being substantially damaged by plasma ions, thereby improving the reliability of a PDP. | 03-05-2009 |
20090085836 | PLASMA DISPLAY, AND DRIVING METHOD THEREOF - A three electrode plasma display device utilizing an auxiliary reset period and, during a sustain period, sustain pulses of variable widths. In the auxiliary reset period, a voltage at the scan electrode is gradually increased from a first voltage to a second voltage, and then gradually decreased from a third voltage to a fourth voltage. In the sustain period, a plurality of sustain pulses are alternately applied to a scan electrode and a sustain electrode. The sustain pulses include a first sustain pulse group and a second sustain pulse group, where the second sustain pulse group includes at least the last sustain pulse in the sustain period. The width of the sustain pulses included in the second sustain pulse group are wider than a width of the sustain pulses included in the first sustain pulse group. | 04-02-2009 |
20090128539 | Plasma display device and driving method thereof - A scan electrode driver includes a scan integrated circuit including first and second control signal input terminals, a data input terminal, first and second voltage terminals and a plurality of output terminals, and a logic element. A voltage of the plurality of output terminals may be a voltage of one the plurality of voltage terminals at least based on a level of a control signal transmitted to the first control signal input terminal. The logic element may be adapted to perform an operation on the control signal to generate a second control signal to be applied to the second control signal input terminal. The scan integrated circuit may establish a voltage of the plurality of output terminals to be a voltage of the first or second voltage terminal based on a level of the control signal. | 05-21-2009 |
20090153019 | Protecting layer having magnesium oxide particles at its surface, method of preparing the same, and plasma display panel comprising the protecting layer - Provided are a protecting layer for a plasma display panel (PDP), a method of forming the same, and a PDP including the protecting layer. The protecting layer includes a magnesium oxide-containing layer having a surface to which magnesium oxide-containing particles having a magnesium vacancy-impurity center (VIC) are attached. The protecting layer is resistant to plasma ions and has excellent electron emission effects, and thus, a PDP including the protecting layer can be operated at low voltage with high discharge efficiency. | 06-18-2009 |
20090167177 | Protective layer and plasma display panel including the same - A protective layer of a plasma display panel includes smoky magnesium oxide, the smoky magnesium oxide having single crystal magnesium oxide with a plurality of cavities therein. | 07-02-2009 |
20090296353 | PLASMA DISPLAY DEVICE - A display device includes a display panel for displaying an image, a chassis base for supporting the display panel and a heat dissipating plate at one side of the chassis base. The display device further includes a printed circuit board between the heat dissipating plate and the chassis base attached to the heat dissipating plate and electrically connected to the display panel, and a switch electrically connected to the printed circuit board to generate a signal for controlling the display panel, the switch being attached to the heat dissipating plate. | 12-03-2009 |
20100149144 | PLASMA DISPLAY AND DRIVING APPARATUS THEREOF - A plasma display is disclosed. In one aspect, the display includes a scan driving board that applies a sustain pulse to a scan electrode during a sustain period and a sustain driving board that applies a sustain pulse to a sustain electrode during the sustain period. The scan driving board and the sustain driving board are connected by a harness. Ground wires are disposed at both sides of the harness and main path wires are disposed between the ground wires. | 06-17-2010 |
20100328300 | PLASMA DISPLAY PANEL DRIVING DEVICE - A switching control circuit for a scan driving unit or a sustain driving unit of a plasma display panel driving device is disclosed. The switching control circuit includes a level shift circuit configured to generate a level-shifted signal by level shifting a control signal to a level referenced to a negative reference voltage, where the control signal was referenced to a ground voltage. The switching control circuit also includes a driver IC configured to amplify the level-shifted signal, and a switching circuit configured to perform a switching operation corresponding to the output signal. | 12-30-2010 |