KR100761297B1 - Plasma display panel device - Google Patents

Abstract

A plasma display device is provided to form connective states of various types and to reduce a manufacturing cost by forming a driving unit, a signal transfer unit, and a pad part at an edge of one side of a plasma display panel. A plasma display device includes a panel having a first and a second electrodes formed on an upper substrate, and a driving unit for generating driving signals to be applied to the first and the second electrodes. The plasma display device further includes a pad part(77) which is formed at one side of the panel in order to apply the driving signals of the driving unit to the first and second electrodes. The pad part includes a plurality of connective lines to be connected with the first and the second electrodes. The connective lines have the same length. The plasma display device further includes a signal transfer unit(79) to transfer the driving signals to the pad part.

Description

Plasma Display panel device

1 is a perspective view showing a first embodiment of the structure of a plasma display device according to the present invention.

2 is a rear view showing a first embodiment of a module of the plasma display device according to the present invention.

3 is a perspective view showing a first embodiment of the structure of the plasma display panel.

4 is a diagram showing a first embodiment of the electrode arrangement of the plasma display panel.

5 is an exploded perspective view showing an FPC of the plasma display device.

FIG. 6 is a plan view illustrating a first embodiment of a connection state of a pad part and a signal transmitting part of the plasma display device. FIG.

FIG. 7 is a plan view illustrating a second embodiment of a connection state of a pad unit and a signal transfer unit of the plasma display apparatus. FIG.

8 is a plan view illustrating a third embodiment of a connection state of a pad unit and a signal transfer unit of the plasma display apparatus.

9 is a plan view illustrating a fourth embodiment of a connection state of a pad unit and a driving unit of the plasma display device.

<Explanation of symbols on main parts of the drawings>

10: front substrate 11: scan electrode

12: sustain electrode 11a, 12a: transparent electrode

11b and 12b: metal bus electrodes 11c and 12c: second black matrix

13: upper dielectric layer 14: protective film

15: first black matrix 20: lower substrate

21: bulkhead 21a: vertical bulkhead

21b: transverse bulkhead 22: address electrode

23 phosphor layer 24 lower dielectric layer

30: heat sink 40: printed circuit board

50: case 60: data driver board

70: drive unit 72: integrated board

74: integrated driver board 75: scan IC

77: pad portion 79: signal transfer portion

80: main controller

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plasma display device, and more particularly, to a plasma display device having an improved driver and pad unit for applying driving signals to first and second electrodes.

In general, a plasma display panel device is a device that displays an image including a character or a graphic by applying a predetermined voltage to electrodes installed in a discharge space to generate a discharge, and the plasma generated during gas discharge excites a phosphor. to be.

The plasma display apparatus includes a panel formed of a first electrode and a second electrode, which are separated from the left and right sides of an upper substrate, a first driver and a second driver for applying driving signals to the first and second electrodes, respectively, and the first driver. And a pad unit and a signal transfer unit connecting the second driver to the first and second electrodes to apply a driving signal.

However, the plasma display apparatus according to the related art has a first driver and a second driver corresponding to the first electrode and the second electrode, and transmits a plurality of pads and signals to apply a driving signal to the first and second electrodes. It is provided with a portion, there is a problem of rising parts cost.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems of the prior art, and an object thereof is to integrate a first driving unit and a second driving unit into one driving unit, and a pad and a signal transmitting unit connected to the first electrode and the second electrode. The present invention relates to a plasma display device which is formed on one side of a panel and applies driving signals to first and second electrodes.

According to an aspect of the present invention, there is provided a plasma display apparatus including a panel including a first electrode and a second electrode formed on an upper substrate, and a driver configured to generate driving signals applied to the first and second electrodes. It is formed on one side of the panel, characterized in that it comprises a pad unit for applying a drive signal generated in the drive unit to the first electrode and the second electrode.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is a perspective view showing a first embodiment of the structure of a plasma display device according to the present invention, Figure 2 is a rear view showing a first embodiment of a module of the plasma display device according to the present invention.

As shown in FIG. 1 or FIG. 2, the plasma display device according to the present invention includes a panel 100 and a panel 100 that emit visible light by electrons filled when an inert mixed gas is filled therein and applied when an electric current is applied thereto. Heat sink 30 is attached to the back of the), the printed circuit board 40 is installed on the back of the heat sink 30, and the case 50 to cover the edge of the panel 10 and the heat sink 30 do.

Here, the panel 100 is the front substrate 10 exposed to the user, the rear substrate 20 is disposed behind the front substrate 10 and bonded to the front substrate 10, and the front / rear substrate 10 (20) It contains an inert mixed gas filled inside.

In addition, a plurality of scan electrodes (not shown), a plurality of sustain electrodes (not shown) facing the scan electrodes, and a plurality of address electrodes formed in a direction crossing the scan electrodes are formed in the panel 100. Not shown) includes a phosphor (not shown) applied to the inside of the panel 10 to generate visible light by discharge when a current between the scan electrodes and the address electrodes is applied.

The plasma display apparatus includes a panel 100, a heat sink 30, and a printed circuit board 40 to configure a module, and a case 50 is installed to surround the outside of the module.

The heat sink 30 is installed on the rear surface of the panel 100 to support the panel 100 and to absorb and release heat generated from the panel 100.

In addition, the back surface of the heat sink 30 is provided with a printed circuit board 40 for applying a current to the panel 100.

The printed circuit board 40 may include a data driver board 60 for applying current to the address electrode of the panel 100, and a driver 70 for applying current to the scan electrode and the sustain electrode of the panel 100. ), A data driver board 60, a main controller 80 for controlling the driver 70, and a power supply unit (not shown) for supplying power to each board.

That is, the data driver board 60 selects only the discharge cells to be discharged among a plurality of discharge cells (not shown) formed on the panel 100 by applying a current to the address electrodes formed on the panel 100.

Here, one or both data driver boards 60 may be installed on the upper or lower side of the panel 100 according to a single scan method or a dual scan method.

In addition, the data driver board 60 is connected to the main controller 80 to apply a data signal to the address electrode.

Here, the data driver board 60 is provided with a data IC (not shown) to control the current applied to the address electrode, and is switched to control the current applied to the data IC.

As shown in FIG. 2, the driver 70 includes an integrated board 72 connected to the main controller 80 and an integrated driver board 74 connecting the integrated board 72 and the panel 100. do.

Here, the integrated board 72 is installed at one edge of the rear surface of the panel 100, and generates a driving signal with the scan electrode and the sustain electrode.

In addition, the integrated driver board 74 is divided into two parts of the upper and lower in this embodiment, and unlike the present embodiment, may be installed in a single number or a plurality of more.

The integrated driver board 74 is provided with a scan IC 75 for applying current to the scan electrode of the panel 100, and the scan IC 75 resets, scans and sustains the scan electrode and the sustain electrode. Apply the signal continuously.

In addition, the driving unit 70 is formed on one side of the panel 100 to apply the driving signal generated by the scan electrode and the sustain electrode to the pad unit 77 and a signal for transmitting the driving signal to the pad unit 77. It further includes a transfer unit (79).

Here, one side of the pad unit 77 is connected to the scan electrode and the sustain electrode, and the other side is connected to one side of the signal transmission unit 79 to receive the driving signal.

In addition, one side of the signal transfer unit 79 is connected to the pad unit 77, and the other side is connected to the scan IC 75 to apply the driving signal of the integrated board 72 to the pad unit 77.

That is, the signal transfer unit 79 may apply a flexible printed circuit (FPC), a tape carrier package (TCP), and a chip on COF to apply a driving signal to the scan electrode and the sustain electrode according to the switching operation of the scan IC 75. FPC) and one of the FFC (Flat Flexible Cable) are used, and the present invention will be described using a FPC (Flexible Printed Circuit).

3 is a perspective view showing a first embodiment of a plasma display panel according to the present invention. As shown in FIG. 3, the panel 100 includes scan electrodes 11, sustain electrodes 12, and sustain electrodes 12 formed on the front substrate 10, and address electrodes 22 formed on the lower substrate 20. ).

The sustain electrode pairs 11 and 12 generally include transparent electrodes 11a and 12a and bus electrodes 11b and 12b formed of indium tin oxide (ITO). 11b and 12b) may be formed of a metal such as silver (Ag) or chromium (Cr) or a stack of chromium / copper / chromium (Cr / Cu / Cr) or a stack of chromium / aluminum / chromium (Cr / Al / Cr). Can be. The bus electrodes 11b and 12b are formed on the transparent electrodes 11a and 12a to serve to reduce voltage drop caused by the transparent electrodes 11a and 12a having high resistance. Meanwhile, according to the exemplary embodiment of the present invention, the sustain electrode pairs 11 and 12 have not only a structure in which the transparent electrodes 11a and 12a and the bus electrodes 11b and 12b are stacked, but also without the transparent electrodes 11a and 12a. It may consist of only the bus electrodes 11b and 12b. This structure does not use the transparent electrodes (11a, 12a) there is an advantage that can lower the cost of manufacturing the panel. The bus electrodes 11b and 12b used in this structure may be various materials such as photosensitive silver in addition to the materials listed above.

Light between the scan electrodes 11 and the sustain electrodes 12 between the transparent electrodes 11a and 12a and the bus electrodes 11b and 11c to absorb external light generated outside the upper substrate 10 to reduce reflection. A black matrix (BM, 15) is arranged that functions to block and to improve the purity and contrast of the upper substrate 10.

The upper dielectric layer 13 and the passivation layer 14 are stacked on the upper substrate 10 having the scan electrode 11 and the sustain electrode 12 side by side. Charged particles generated by the discharge are accumulated in the upper dielectric layer 13, and the protective electrode pairs 11 and 12 may be protected. The protective film 14 protects the upper dielectric layer 13 from sputtering of charged particles generated during gas discharge, and increases emission efficiency of secondary electrons. In addition, magnesium oxide (MgO) may be used normally for the protective film 14, and Si-MgO to which silicon (Si) was added may be used. Here, the content of silicon added to the protective film 14 may be 50 PPM to 200 PPM based on the weight percent (wt%).

On the other hand, the address electrode 22 is formed in the direction crossing the scan electrode 11 and the sustain electrode 12. In addition, the lower dielectric layer 23 and the partition wall 21 are formed on the lower substrate 20 on which the address electrode 22 is formed.

In addition, the phosphor layer 23 is formed on the surfaces of the lower dielectric layer 24 and the partition wall 21. The partition wall 21 has a vertical partition wall 21a and a horizontal partition wall 21b formed in a closed shape, and physically distinguishes discharge cells, and prevents ultraviolet rays and visible light generated by the discharge from leaking into adjacent discharge cells.

In the first embodiment of the present invention, not only the structure of the partition wall 21 illustrated in FIG. 3, but also the structure of the partition wall having various shapes may be possible. For example, a channel type in which a channel usable as an exhaust passage is formed in at least one of a differential partition structure, a vertical partition 21a, or a horizontal partition 21b having different heights of the vertical partition 21a and the horizontal partition 21b. The barrier rib structure having a groove formed in at least one of the barrier rib structure, the vertical barrier rib 21a or the horizontal barrier rib 21b may be possible. Here, in the case of the differential barrier rib structure, the height of the horizontal barrier rib 21b is more preferable, and in the case of the channel barrier rib structure or the groove barrier rib structure, it is preferable that the channel is formed in the horizontal barrier rib 21b or the groove is formed. something to do.

On the other hand, in one embodiment of the present invention, each of the R, G, and B discharge cells may be arranged on the same line. For example, an arrangement of delta times in which the R, G, and B discharge cells are arranged in a triangular shape may be possible. In addition, the shape of the discharge cell may be not only rectangular, but also various polygonal shapes such as a pentagon and a hexagon.

In addition, the phosphor layer 23 emits light by ultraviolet rays generated during gas discharge to generate visible light of any one of red (R), green (G), and blue (B). Here, an inert mixed gas such as He + Xe, Ne + Xe, and He + Ne + Xe for discharging is injected into the discharge space provided between the upper / lower substrates 10 and 20 and the partition wall 21.

FIG. 4 illustrates a first embodiment of an electrode arrangement of a plasma display panel, and a plurality of discharge cells constituting the plasma display panel are preferably arranged in a matrix form as shown in FIG. 3. The plurality of discharge cells are provided at the intersections of the scan electrode lines Y1 to Ym, the sustain electrode lines Z1 to Zm, and the address electrode lines X1 to Xn, respectively. The scan electrode lines Y1 to Ym may be driven sequentially or simultaneously, and the sustain electrode lines Z1 to Zm may be driven simultaneously. The address electrode lines X1 to Xn may be driven by being divided into odd-numbered lines and even-numbered lines, or sequentially driven.

Since the electrode arrangement shown in FIG. 4 is only an embodiment of the electrode arrangement of the plasma panel according to the present invention, the present invention is not limited to the electrode arrangement and driving method of the plasma display panel shown in FIG. 4. For example, a dual scan method in which two scan electrode lines among the scan electrode lines Y1 to Ym are simultaneously scanned is possible. In addition, the address electrode line may be driven by being divided up and down in the center portion of the panel.

In addition, according to the present invention, the electrodes of the plasma display panel shown in FIG. 4 are located at one edge of the panel with the scan electrode lines Y1 to Ym and the sustain electrode lines Z1 to Zm, and drive signals through one driving unit. Is applied.

FIG. 5 is an exploded perspective view of an FPC of the plasma display device, and FIG. 6 is a plan view illustrating a first embodiment of a connection state of a pad portion and a signal transmission portion of the plasma display apparatus, and includes a plurality of scan electrodes Y and a sustain electrode ( A pad portion 77 and a signal transmission portion 79 connected to Z) are shown.

Here, the signal transmission unit 79 specifies and describes that the FPC.

As shown in FIG. 5, the FPC 79 is for connecting the driving unit 70 and the scan electrode Y and the sustain electrode Z of the panel 100, and one end of the signal input unit 79a is connected to the panel ( It is connected to the drive part 70 provided in the back surface of 100, and the panel connection part 79b of the other end is connected with the pad part 77 connected with the scan electrode Y and the sustain electrode Z of the panel 100. FIG.

In addition, the FPC 79 is connected by a connector (not shown) installed in the driving unit 70, and is connected to the signal input unit 79a and the scan electrode Y and the sustain electrode Z of the panel 100 to be connected. The flexible board 79c comprised of the panel connection part 79b connected to the part 77, and the data driver IC 79d mounted in the board 79c are included.

In the present embodiment, only the FPC is described. However, the present invention is not limited to the FPC 79 and can be used for both a chip on film type and a tape carrier package type.

As shown in FIG. 6, according to the first embodiment of the present invention, the plurality of scan electrodes Y and the sustain electrodes Z each include a pad portion 77 and a pad portion 77 including connection lines corresponding to the plurality of scan electrodes Y and the sustain electrode Z, respectively. ) Is connected to the FPC 79 and the driver 70.

In this case, the pad portion 77 has the same length as the connection line connected to the scan electrode Y and the sustain electrode Z, and is connected in the same manner as the FPC 79.

Here, the scan electrode Y and the sustain electrode Z are applied with the driving signal applied from the driver 70 through the FPC 79 and the pad unit 77.

Further, the pad portion 77 connected to the scan electrode Y and the sustain electrode Z is connected to one or both sides of the FPC 79 so that the driving signal is applied.

FIG. 7 is a plan view showing a second embodiment of a connection state of a pad portion and a signal transmission portion of a plasma display device, including a pad portion 77 connected to a plurality of scan electrodes Y and a sustain electrode Z, and signal transmission; A portion 79 is shown, and portions overlapping with those in FIG. 6 are omitted.

According to the second embodiment of the present invention, the pad part 77 has the same length of the connection line connected to the scan electrode Y and the sustain electrode Z, and is directly connected to the driving part 70.

Here, the signal transmission unit 79 is directly connected to the pad unit 77 by a connector (not shown) of the driving unit 70 by a connecting line.

In this case, the connector has a clip shape, and the connection line is dually input.

That is, the connector is the driving signal is applied by the connection line individually connected to the scan electrode (Y) and the sustain electrode (Z) connected to each of the pad portion (77).

FIG. 8 is a plan view showing a third embodiment of a connection state of a pad portion and a signal transmission portion of a plasma display device, including a pad portion 77 connected to a plurality of scan electrodes Y and a sustain electrode Z, and signal transmission; A portion 79 is shown, and portions overlapping with those in FIG. 6 are omitted.

According to the third exemplary embodiment of the present invention, the pad part 77 is connected to the scan electrode Y and the sustain electrode Z with different lengths. In addition, the FPC 79 are connected in the same length.

At this time, at least one FPC 79 is provided, and each FPC 79 is connected to the scan electrode Y and the sustain electrode Z separately.

That is, at least one FPC 79 is connected to the driving unit 70 in a separated state, and at this time, the driving signal is applied to each FPC 79.

At this time, the connection line of the pad portion 77 is adjustable according to the position of the at least one FPC (79).

FIG. 9 is a plan view showing a fourth embodiment of a connection state of a pad portion and a signal transmission portion of a plasma display device, including a pad portion 77 connected to a plurality of scan electrodes Y and a sustain electrode Z, and signal transmission; A portion 79 is shown, and portions overlapping with those in FIG. 6 are omitted.

According to the fourth exemplary embodiment of the present invention, the pad part 77 is connected to the scan electrode Y and the sustain electrode Z with different lengths. In addition, the FPC 79 is connected to the pad 77 with the same length.

In this case, the connection line connected to the scan electrode Y of the pad unit 77 is connected to the Y-FPC 79g, and the connection line connected to the sustain electrode Z is connected to the Z-FPC 79f by a metal line. .

That is, the Z-FPC 79f is compressible at the outermost side with the metal line as the sustain electrode Z is used as the common electrode, and applies the driving signal.

The scan signal Y of the pad unit 77 is individually supplied with the driving signal through the Y-FPC 79g.

As described above, the plasma display panel according to the present invention has been described with reference to the illustrated drawings, but the present invention is not limited by the embodiments and drawings disclosed herein, and is applied by those skilled in the art within the technically protected scope of the present invention. This is possible.

In the plasma display apparatus according to the present invention configured as described above, one driving unit, a signal transmitting unit, and a pad unit for applying a driving signal to the scan electrode Y and the sustain electrode Z are formed at one edge of the panel, and thus the scan electrode ( By applying a driving signal to Y) and the sustain electrode Z, the shape of the signal transmission unit and the pad unit may be changed to have various connection states, and the cost may be reduced by one driving unit.

Claims (10)

A plasma display apparatus comprising a panel having a first electrode and a second electrode formed on an upper substrate, and a driver configured to generate driving signals applied to the first and second electrodes. A pad unit formed on one side of the panel and configured to apply a driving signal generated by the driving unit to the first electrode and the second electrode, The pad unit includes a plurality of connection lines connected to the first electrode and the second electrode, and the plurality of connection lines have the same length. The method of claim 1, And a signal transfer unit configured to transfer the driving signal generated by the driver to the pad unit. The method of claim 2, wherein the signal transmission unit A plasma display device comprising any one of a flexible printed circuit (FPC), a tape carrier package (TCP), a chip on fpc (COF), and a flat flexible cable (FFC). delete A plasma display apparatus comprising a panel having a first electrode and a second electrode formed on an upper substrate, and a driver configured to generate driving signals applied to the first and second electrodes. A pad unit formed on one side of the panel and configured to apply a driving signal generated by the driving unit to the first electrode and the second electrode; And a signal transfer unit configured to transfer the driving signal generated by the driver to the pad unit. And the pad portion is connected to any one of a lower side and an upper side of the signal transmission unit. A plasma display apparatus comprising a panel having a first electrode and a second electrode formed on an upper substrate, and a driver configured to generate driving signals applied to the first and second electrodes. A pad unit formed on one side of the panel and configured to apply a driving signal generated by the driving unit to the first electrode and the second electrode; And a signal transfer unit configured to transfer the driving signal generated by the driver to the pad unit. And the pad portion is connected to both the lower side and the upper side of the signal transmission unit. The method of claim 6, And one pad side connected to the first electrode is connected to one of both surfaces of the signal transmission part, and the other pad side is connected to the pad part connected to the second electrode. A plasma display apparatus comprising a panel having a first electrode and a second electrode formed on an upper substrate, and a driver configured to generate driving signals applied to the first and second electrodes. A pad unit formed on one side of the panel and configured to apply a driving signal generated by the driving unit to the first electrode and the second electrode, The pad unit includes a plurality of connection lines connected to the first electrode and the second electrode, and the plurality of connection lines are connected to each other in length. The method of claim 8, wherein the signal transmission unit And a first transfer part connected to the plurality of connection lines connected to the first electrode, and a second transfer part connected to the plurality of connection lines connected to the second electrode. . The method of claim 9, And one of the first electrode and the second electrode is connected by one line to the signal transmission unit.

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