Abstract: A display driving apparatus according to an implementation of the present invention includes: a first delay circuit that generates latch control signals changing with different timings; a second delay circuit that generates falling delay signals and rising delay signals by delaying the latch control signals; a delay selection circuit that (i) selects the falling delay signals or the rising delay signals when pixel data for adjacent display output terminals have changed in different directions and (ii) selects the latch control signals when pixel data for adjacent display output terminals have changed in the same direction; and a step control circuit that drives the display output terminals with timings of the signals selected by the delay signal circuit.

Abstract: A plasma display apparatus according to the present invention efficiently accumulates charges in respective electrodes, using a driving signal supplied in a second set-down period, to prevent a flickering erroneous discharge caused by deficiency of wall charges. As a result, the plasma display apparatus can improve picture quality of a display image.

Abstract: The priming or conditioning of an AC gas discharge plasma display panel for improved selective write and selective erase which comprises addressing n number of rows in an order or sequence that is changed from frame to frame such that later rows to be addressed are advanced in the sequence with each subsequent frame. Each frame consists of the addressing of all n rows. Specific embodiments include the use of plasma-shells, plasma-tubes, and/or combinations thereof.

Abstract: The total number of the scan electrodes is divided into a first scan electrode group and a second scan electrode group. The first scan electrode group drive section for driving the first scan electrode group produces a selection potential and a non-selection potential in the scan period, and supplies scan pulses based on the two potentials in the first half of the scan period. The complex switch section supplies the selection potential produced using the first scan electrode group drive section to the second scan electrode group drive section for driving the second scan electrode group in the latter half of the scan period. The second scan electrode group drive section supplies scan pulses based on the input selection potential.

Abstract: Sustain discharge is stably caused while power consumption is reduced, and image display quality is improved. A plasma display device has a plasma display panel, an electric power recovering circuit for raising or falling a sustain pulse by resonating an inductor and the inter-electrode capacity of a display electrode pair, and a sustain pulse generating circuit for alternately applying, to the display electrode pair, as many sustain pulses as the number corresponding to the luminance weight in the sustain period of a plurality of subfields that are disposed in one field and have initializing, address, and sustain periods. The sustain pulse generating circuit switches and generates at least three kinds of sustain pulses including a first sustain pulse serving as a reference, a second sustain pulse that rises more gently than the first sustain pulse, and a third sustain pulse that rises more steeply than the first sustain pulse.

Abstract: One field period includes a plurality of subfields each having (i) an initialization period in which a gradually descending sloping waveform voltage is applied to a scan electrode, (ii) a writing period in which a negative scan pulse voltage is applied to the scan electrode, and (iii) a sustain period. A sloping waveform voltage is generated by switching a minimum voltage in the sloping waveform voltage between a first voltage and a second voltage that has a lower voltage value than that of the first voltage. A number of subfields, in which an initialization is carried out by the sloping waveform voltage having the minimum voltage as the second voltage, is increased when a temperature of a plasma display panel is determined to be low as compared with when the temperature is determined to be not low.

Abstract: The performance of electro-wetting displays can be improved by: (a) providing a concealment member (112) which conceals the moving fluid (108) when that fluid (108) is confined to a small area; (b) using the moving fluid to cover one or more sections of a filter or reflector having differently-colored sections; (c) moving the moving fluid between the rear surface and a side surface of a microcell; (d) using as a substrate for a moving fluid a substrate resistant to wetting by the fluid but pierced by multiple conductive vias capped with a material wetted by the fluid; and (e) coloring the moving fluid with pigments or nanoparticles.

Abstract: In an image display apparatus, each sub-pixel includes a phosphor configured to emit light of a predetermined color when the phosphor is irradiated with electrons, an electron emission device configured to irradiate the phosphor with the electrons, and a resistor connected in series to the electron emission device and having a negative temperature characteristic of resistance. In three or more sub-pixels with different luminescent colors included in each pixel, the resistor is configured such that a sub-pixel having a phosphor with a smaller temperature dependency of luminescent brightness has a resistor with a greater activation energy, or the resistor is configured such that the resistor is made of the same material for the three or more sub-pixel and such that a sub-pixel having a phosphor with a smaller temperature dependency of luminescent brightness has a resistor with a greater resistance.

Abstract: The present invention is directed to a remote control system for controlling a railway vehicle. The remote control system including a remote control device for transmitting signals to a first controller module. The first controller is mounted to the railway vehicle and controls and monitors the functions of the railway vehicle. The first controller module also relays information to the remote control device. The remote control system can also include a portable safety switch allowing any individual in proximity to the railway vehicle to send a stop signal to the first controller module to stop the railway vehicle if any unsafe conditions exist.

Abstract: The present method is to drive a plasma display panel which displays a frame composed of a plurality of sub-fields having different weights of luminance. The method comprises using plural kinds of application voltage waveforms different in light emission luminance, as pulse voltages for sustain discharges in display of each sub-field, and adjusting the number of waves in each of the plural kinds of application voltage waveforms according to the weight of luminance set for each sub-field, thereby performing gradation display.

Abstract: A PDP sustain driver circuit including at least one high voltage gate driver IC (HVIC) having a logic functional block. The PDP sustain driver circuit includes a signal buffer for receiving two input signals and providing the two signals to the logic functional block; and at least four switches including a charging switch, a discharging switch, a sustain switch and a grounding recovery switch, the HVIC providing a unique control signal from the logic functional block to the four switches to control said four switches.

Abstract: The luminance of black level of a display image is reduced to improve the contrast, the address discharge is stably caused, and the image display quality of a plasma display apparatus is improved. For this purpose, a specific-cell initializing subfield having an initializing period in which a forced initializing operation is performed in a specific discharge cell is disposed, a pre-reset period is disposed after a sustain period in the subfield immediately before the specific-cell initializing subfield. In the pre-reset period, first auxiliary discharge is caused in the discharge cell having undergone sustain discharge in the sustain period immediately before the pre-reset period. Then, second auxiliary discharge is caused in the discharge cell where the forced initializing operation is performed in the initializing period of the specific-cell initializing subfield immediately after the pre-reset period.

Abstract: An address driving circuit includes a driving device unit and an energy recovery circuit. The driving device unit drives an address electrode to an address voltage or a reference voltage in response to driving control signals during an address period. The energy recovery circuit recovers a voltage charged to the address electrode in response to switching control signals such that a voltage of the address electrode transitions to the address voltage or the reference voltage via at least two intermediate voltages including first and second intermediate voltages during the address period.

Abstract: A plasma display device that can utilize an energy recovery voltage regardless of whether pixels are selected. An energy recovery circuit of the plasma display device includes first and second switches serially coupled between a first voltage source and a second voltage source, a third switch coupled to a connection point between the first and second switches, a voltage recovery capacitor coupled between the third switch and a base voltage source, and a precharger for charging the voltage recovery capacitor.

Abstract: A large-scale display device having a plurality of display units which each include a plurality of elongated plasma tubes each filled with a discharge gas, and at least one pair of display electrodes disposed outside the plasma tubes, voltage applying means which applies a drive voltage to the display electrodes to cause electric discharge in the plasma tubes for display. Vertically adjoining ones of the display units respectively have adjoining portions which are offset thicknesswise from each other for prevention of contact between the plasma tubes of the vertically adjoining display units. The voltage applying means is disposed away from the adjoining portions of the vertically adjoining display units.

Abstract: A plasma display device has a plasma display panel, an accumulative adding circuit for accumulatively adding predetermined values every predetermined unit time while current is applied to the plasma display panel, and a judging circuit for judging the property of an image to be displayed on the plasma display panel. The accumulative adding circuit varies the predetermined values in response to the judgment result of the judging circuit.

Abstract: The present invention relates to an electrowetting element for a display device, a display device and a control system for controlling at least one electrowetting element. The electrowetting element comprises: a radiation valve comprising a first fluid and a second fluid immiscible with the first fluid, wherein the first and second fluids are configurable to change a characteristic of radiation passing through at least one of the first and second fluids; and an electrically switchable part switchable between a reflective mode for reflecting radiation incident on the switchable part and towards the radiation valve, and a transmissive mode for transmitting radiation incident on the switchable part through the switchable part and towards the radiation valve.

Abstract: In a plasma display panel, abnormal discharge in address periods is suppressed to enhance image display quality. The scan electrode driving circuit generates a first falling down-ramp voltage i.e. down-ramp voltage L2 or down-ramp voltage L4, in initializing periods, generates sustain pulses in sustain periods, generates a rising up-ramp voltage, i.e. erasing up-ramp voltage L3, at the ends of the sustain periods, and applies the voltages to the scan electrodes. After generating the sustain pulses in the sustain periods, the scan electrode driving circuit generates a second down-ramp voltage, i.e. erasing down-ramp voltage L5, which has a portion falling with a gradient gentler than that of down-ramp voltage L2 and down-ramp voltage L4. After generating erasing down-ramp voltage L5, the scan electrode driving circuit generates erasing up-ramp voltage L3 and applies the voltage to the scan electrodes.

Abstract: When a connection failure occurs in an FFC for electrically interconnecting the ground potentials of the printed boards, the failure is immediately detected. A plasma display device has a scan electrode driving circuit for dividing scan electrodes into a first scan electrode group and a second scan electrode group and driving them, scan electrode driving ICs for applying a scan pulse generated by the scan electrode driving circuit to the scan electrodes, a timing generating circuit for generating switch signal SI used for switching the scan electrode driving ICs in a predetermined order, and a first printed board and second printed board that have the scan electrode driving ICs. The ground potential of the first printed board is electrically connected to that of the second printed board via an FFC. Switch signal SI is input from the first printed board to the second printed board via the FFC.

Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including a scan electrode and a sustain electrode that are positioned parallel to each other, and an address electrode crossing the scan electrode and the sustain electrode and a driver that supplies a reset signal to the scan electrode and supplies a first signal, whose a direction is the same as a direction of the reset signal, to the sustain electrode in a reset period of at least one of a plurality of subfields of a frame. The first signal overlaps a predetermined period during which the reset signal rises to a maximum voltage and then again rises to a voltage less than the maximum voltage.

Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel that includes a scan electrode, a sustain electrode, and a data electrode; and a scan driver that supplies the scan electrode with a first driving voltage serving as a reference voltage, a second driving voltage supplied from a single voltage source, and a third driving voltage that has the same magnitude as that of the second driving voltage and has the opposite polarity of that of the second driving voltage.

Abstract: A method for driving a plasma display panel in which a plurality of first and second electrodes are arranged adjacently each other, a plurality of third electrodes are arranged to cross the first and second electrodes, the plasma display panel having a reset period, an address period, and a sustain discharge period is provided. The method includes in the reset period, applying to the second electrodes a first waveform voltage, whose applied potential increases with time, then applying to the second electrodes a second waveform voltage, whose applied potential decreases with time.

Abstract: A circuit configuration for realizing high impedance in an address drive circuit is provided in order to reduce the number of recovery switches without reducing power recovery efficiency. A mechanism for realizing the high impedance in an address drive circuit during a sustain period of a plasma display panel is provided. By achieving the high impedance, capacitance coupling between an X electrode and an address electrode and between a Y electrode and an address electrode can be cancelled, and a power recovery circuit can be simplified without reducing the power recovery efficiency.

Abstract: In display of a 3D image on a plasma display panel, the plasma display apparatus achieves an excellent contrast with reduced crosstalk. For this purpose, the plasma display apparatus includes a driver circuit and a control signal generation circuit. The driver circuit drives the plasma display panel in a manner such that a subfield where an all-cell initializing operation is performed in the initializing period and a sustain discharge is caused in all the discharge cells in the sustain period is set as the first subfield of one field. The control signal generation circuit generates shutter opening/closing timing signals that include a timing signal for the right eye and a timing signal for the left eye. The control signal generation circuit sets both of the timing signal for the right eye and the timing signal for the left eye to OFF in the period of the first subfield.

Abstract: Sharp contrast is achieved while the driving time in displaying a 3D image on a plasma display panel is shorted. For this purpose, an all-cell initializing subfield for applying up-ramp waveform voltage and down-ramp waveform voltage to a scan electrode in the initializing period is set as the first subfield of one field. The plasma display panel is driven by one of 3D drive and 2D drive. A gradient of at least one of the up-ramp waveform voltage and the down-ramp waveform voltage in the all-cell initializing period during the 3D drive is set to be steeper than a gradient of the one waveform voltage in the all-cell initializing period during the 2D drive. A shutter opening/closing timing signal is generated so that both of a right-eye timing signal and a left-eye timing signal are in the OFF state in the all-cell initializing period during the 3D drive.

Abstract: A method and a circuit for controlling a power recovery stage of a plasma display panel including a resonant circuit of at least one inductive element and one capacitive element, wherein the capacitive element is precharged to half a supply voltage of the display panel.

Abstract: In a plasma display apparatus usable as a 3D image display apparatus, crosstalk is reduced to the user who views a 3D image displayed on the plasma display panel through a pair of shutter glasses. For this purpose, in a plasma display system, in each of fields for the right eye and fields for the left eye, luminance weights are set such that the first subfield in the one field has the heaviest luminance weight and those thereafter have luminance weights sequentially decreasing. A pair of shutter glasses is controlled in the following manner. The right eye shutter opens before the sustain period of the subfield where an address operation is performed first in the field for the right eye. The left eye shutter opens before the sustain period of the subfield where an address operation is performed first in the field for the left eye.

Abstract: A plasma display panel is disclosed. The plasma display panel includes a scan electrode and a sustain electrode positioned parallel to each other on a front substrate, an upper dielectric layer positioned on the scan electrode and the sustain electrode, a rear substrate on which an address electrode is positioned to intersect the scan electrode and the sustain electrode, a lower dielectric layer positioned on the address electrode, and a barrier rib positioned between the front substrate and the rear substrate. The barrier rib includes lead (Pb) equal to or less than 1,000 ppm (parts per million). A discharge gas is filled between the front substrate and the rear substrate and includes helium (He) of 9% to 42%.

Abstract: An electronic pen for detecting a touch location on a display panel by detecting infrared rays generated by the display panel, the electronic pen including an infrared sensor that detects the infrared rays and generates a detection signal; an amplifying unit that amplifies the detection signal; a low pass filter that filters high-frequency elements from the amplified detection signal; and a location detecting unit that detects the location on the display panel touched by the electronic pen based on the filtered detection signal.

Abstract: In a plasma display device, a first transistor is connected between an electrode and a power source supplying a first voltage, and a second transistor is connected to a control terminal of the first transistor. A first gate driver supplies a first control signal to the control terminal of the first transistor and is connected to the control terminal of the first transistor. A second gate driver supplies a second control signal to the second transistor, and is connected to the control terminal of the second transistor. Further, a diode is connected between an output terminal of the second gate driver and the control terminal of the first transistor.

Abstract: A plasma display panel has a display region and a non-display region formed around the display region. The rear plate has data electrode that applies a drive voltage to the rear plate, a dummy electrode that is in parallel with the data electrode and does not apply a drive voltage to the rear plate, an insulating layer that coats the data electrode and the dummy electrode, and a plurality of horizontal barrier ribs formed on the insulating layer and orthogonal to the data electrodes. The data electrode is arranged in the display region and the non-display region. The dummy electrode is arranged in the non-display region. An outermost horizontal barrier rib is arranged in the non-display region. The outermost horizontal barrier rib is opposed to the data electrode via the insulating layer, and is not opposed to the dummy electrode.

Abstract: A display apparatus includes a plasma display panel comprising a scan electrode, a sustain electrode, and an address electrode, an integrated driver applying a driving voltage to the scan electrode and the sustain electrode, a data driver applying a driving voltage to the address electrode, and a controller applying a sustain pulse to the scan electrode and the sustain electrode and applying a predetermined constant voltage or higher to the address electrode in a sustain period.

Abstract: This invention provides a plasma tube array-type display device and a luminance correcting method realizing reduced variations in luminance values of a plasma tube array. A gradient of the luminance value in the longitudinal direction of one plasma tube is calculated on the basis of the obtained luminance value at a plurality of positions in the longitudinal direction of at least one plasma tube. A difference of the luminance value of each plasma tube obtained at the same relative position. On the basis of the gradient of the luminance value and the difference of the luminance value of each plasma tube at the same relative position, a correction luminance value in each discharge cell in the longitudinal direction of each of the plurality of plasma tubes is calculated.

Abstract: A driving method for a display including a source driver and at least one pixel is disclosed. The source driver is activated to provide a first data signal to the pixel. The first data signal includes a first pulse. The source driver is activated to provide a second data signal to the pixel. The second data signal includes a second pulse. The width of the first pulse is different from the width of the second pulse and a gray level is composed of the first and the second pulses.

Abstract: A plasma display panel having a power supply unit connected to a scan driver without a bootstrap circuit. The driver includes a power supply unit supplying a first output voltage of a first level and has a pair of output terminals, a scan driving unit comprising a first driving switch controlling the connection of one of output terminals of the power supply unit to the electrodes of the plasma display panel and a second driving switch controlling the application of a second output voltage of a second level to the electrodes of the plasma display panel, and a third driving switch that controls the connection of a power input terminal of the second output voltage of the second level to the electrodes of the plasma display panel by being connected between the power input terminal of the second output voltage of the second level and the second driving switch.

Abstract: The present invention provides a display device that prevents damage on a display panel even when the display device drops or falls down during handling. The display device includes: a PDP (10) including a front panel (20) and a back panel (30) that have peripheral portions joined to each other by a sealing material (36); a chassis member (44) supporting the PDP (10); and a housing enclosing the PDP (10) and the chassis member (44). The housing includes a front housing portion (41) provided with an opening (54), a side housing portion (51), and a back housing portion (42). The back housing portion (42) is provided with a drawn portion (62), and a top part of the drawn portion (62) is coupled to the chassis member (44) by a fixing member.

Abstract: A fluidic actuator includes a chamber filled with a fluid, an element movable in relation to the chamber and in contact with the fluid, as well as a passage for circulating the fluid between the inside and the outside of the chamber in order to vary the amount of fluid in the chamber, thus causing movement of the movable element. The fluid is magnetorheological and the fluidic actuator includes a magnetic field generator arranged so as to generate, in the passage, a controlled magnetic field.

Abstract: The present invention allows a plasma display panel to have gradation levels being sufficient in number and to have stable address discharge. In the plasma display apparatus having a panel and a driver circuit, the driver circuit drives the panel on the subfield structure that satisfies the following. One field has a first subfield group and a second subfield group temporally successive to the first subfield group. Each of the subfield groups is formed of a plurality of temporally successive subfields. The luminance weight increases in the order of occurrence of the subfields within each subfield group. The first subfield of the second subfield group has a luminance weight smaller than that of the last subfield of the first subfield group. When a gradation having a level greater than a gradation threshold is displayed, the first subfield of the second subfield group has no light emission.

Abstract: A plasma display device, which gradually increases the current to the panel capacitors is disclosed. The display uses an inductor to reduce the current spike which would otherwise occur and create large electromagnetic interference.

Abstract: The plasma display device has a display panel having first and second display electrodes and address electrodes, an electrode drive circuit, and a drive control circuit for controlling the electrode drive circuit. The drive control circuit performs a reset drive control, address drive control and sustain drive control in each subfield. The drive control circuit performs an all cell reset drive control which resets all cells in a first subfield out of the plurality of subfields, and an ON cell reset drive control which resets ON cells in a second subfield. At a first temperature T1, an ultimate potential of an slope pulse of the first display electrode is controlled to be a first potential in the ON cell reset drive control, and at a second temperature T2>T1, the ultimate potential is controlled to be a second potential higher than the first potential.

Abstract: In a plasma display apparatus capable of displaying an image for stereoscopic view, the image display quality is enhanced. For this purpose, the plasma display apparatus includes a driver circuit and a timing generation circuit. The driver circuit drives the plasma display panel in a manner such that a field for the right eye and a field for the left eye are alternately repeated, each field is formed of an all-cell initializing subfield and a selective initializing subfield, and the top subfield of each field is the all-cell initializing subfield. The timing generation circuit generates shutter opening/closing timing signals. The timing generation circuit generates the shutter opening/closing timing signals such that both timing signal for opening/closing the right eye shutter and timing signal for opening/closing the left eye shutter are set to OFF in the all-cell initializing period of the fields for the right eye and for the left eye.

Abstract: Stable address discharge is caused in a plasma display panel. For this purpose, the image display region of the panel is divided into a plurality of partial display regions, and scan electrodes in each partial display region are classified into two scan electrode groups based on the arranging sequence of the scan electrodes on the panel. The two scan electrode groups are a first scan electrode group including odd-numbered scan electrodes, and a second scan electrode group including even-numbered scan electrodes, In each partial display region in the address period, an overshoot address operation is performed. To the scan electrodes to which scan pulses are to be applied from the first time to a predetermined-number-th time in each scan electrode group, scan pulses are applied where the pulse cycle is set longer than that of the scan pulses to be applied to the other scan electrodes.

Abstract: A PDP is provided with a front plate and a rear plate. The front plate has a protective layer. The protective layer includes a base layer, a plurality of first particles and a plurality of second particles. The first particles are aggregated particles obtained by aggregating a plurality of crystal particles made of magnesium oxide and having a cathode luminescence peak in a wavelength region from 200 nm or more to 300 nm or less. The second particles are crystal particles made of magnesium oxide, which have a cathode luminescence peak in a wavelength region from 400 nm or more to 450 nm or less, but do not have a cathode luminescence peak in the wavelength region from 200 nm or more to 300 nm or less.

Abstract: A plasma display device includes a plasma display panel, a chassis base and circuit board assemblies mounted on the chassis base. The plasma display panel includes: a front substrate, a rear substrate, and a plurality of electrodes between the front and rear substrates; and an electrode pattern formed on the rear substrate and separate from the plurality of electrodes. The chassis base is adjacent the rear substrate. The electrode pattern is configured for transmitting power and signals utilized to drive the plurality of electrodes from at least one of the plurality of circuit board assemblies.

Abstract: The present invention provides a method of driving a plasma display apparatus, which allows a high-luminance large-sized panel to have stable address discharge, with increase in power consumption suppressed. In the method, one field is divided into a plurality of subfields, each of which having an address period and a sustain period. A ramp voltage is applied to the scan electrodes in the end of the sustain period. The ramp voltage increases from a base potential toward a predetermined voltage, after reaching the predetermined voltage, the ramp voltage is maintained at the voltage for a predetermined period of time and decreases to the base potential. Besides, when the number of the sustain pulses is not greater than a predetermined threshold in a subfield, the predetermined period of time of an immediately after subfield is determined to be longer than the predetermined period of time of other subfields.

Abstract: Image display quality of a plasma display apparatus is enhanced. For this purpose, the plasma display apparatus includes a number-of-sustain-pulses corrector for controlling the number of sustain pulses to be generated. The number-of-sustain-pulses corrector includes an all-cell light-emitting rate detection circuit (46), a partial light-emitting rate detection circuit (47), and a lookup table. The number-of-sustain-pulses corrector sets a correction coefficient that is read out from the lookup table in response to an all-cell light-emitting rate and a partial light-emitting rate as a first correction coefficient, and a recorrection coefficient that is based on the first correction coefficient. The number-of-sustain-pulses corrector adjusts the first correction coefficient and the recorrection coefficient, using an adjustment gain preset for each subfield in response to the magnitude of the luminance weight.

Abstract: A plasma display includes a plurality of discharge cells, and is driven with one frame divided into a plurality of subfields having respective weight values. Light emitting cells are selected through address discharge during an address period of each subfield, and sustain discharge is performed on the light emitting cells for a number of times corresponding to a weight value of the corresponding subfield during a sustain period of each subfield to display images. The plasma display provides a sensing period for identifying an external contact with the plasma display prior to the address period in at least one subfield of the plurality of subfields, and discharges the plurality of discharge cells during a sensing period. The plasma display identifies the external contact based on light generated from the discharge cells during the sensing period.

Abstract: In a plasma display apparatus capable of displaying an image for stereoscopic view, the image display quality is enhanced. For this purpose, the plasma display apparatus includes a driver circuit and a timing generation circuit. The driver circuit drives the plasma display panel by alternately repeating a field for the right eye and a field for the left eye. The timing generation circuit generates shutter opening/closing timing signals. The driver circuit applies the sustain pulses equal in number to the luminance weight multiplied by a luminance magnification to each scan electrode and each sustain electrode, in the subfields except the first subfield. In the first subfield, the driver circuit applies the sustain pulses greater in number than the luminance weight multiplied by the luminance magnification to each scan electrode and each sustain electrode.

Abstract: When performing the line-sequential addressing for setting the state of each of the cells arranged in rows and columns that constitute a display screen, discharge is generated that has intensity in accordance with display data corresponding to each of all cells belonging to the selected row for each selection of the row. Thus, the priming effect in the following discharge is generated.

Abstract: A plasma display device includes a plasma display, a chassis having conductivity that supports the plasma display, a tuner circuit, a scan driver, a sustaining driver and so forth used to display a video on the plasma display, a back cover that covers the chassis, the scan driver, the sustaining driver, etc., and a shield body that covers the tuner circuit. The shield body is electrically connected to the chassis and to the back cover.