KR100589395B1 - Plasma display panel - Google Patents

Abstract

 A plasma display panel according to the present invention comprises: a first substrate and a second substrate disposed to face each other; Discharge sustain electrodes formed on the first substrate; Barrier ribs defining subpixels by forming discharge cells having a length greater than a width in a space between the first substrate and the second substrate; A phosphor layer formed in each of the discharge cells; A plurality of discharge cells having a plurality of address electrodes formed on the second substrate, wherein the discharge cells are arranged in a width direction adjacent to each other in a length direction, Each of the cells is interposed between a pair of discharge cells adjacent to each other in a row of other discharge cells adjacent to each other, and red (R), green (G), and blue (B) colors forming one pixel. Subpixels of are arranged adjacent to each other in the discharge cell width direction in a single discharge cell row.

Plasma Display, High Definition, Maintenance Discharge

Description

Plasma Display Panel {PLASMA DISPLAY PANEL}

1 is a partial plan view showing a plasma display panel according to a first embodiment of the present invention.

FIG. 2 (a) is a schematic diagram schematically showing the discharge cell structure of the present embodiment, and (b) is a schematic diagram showing a conventional matrix type discharge cell structure.

3 to 5 are schematic diagrams illustrating various pixel array structures of the plasma display panel according to the first embodiment of the present invention.

6 to 10 are partial plan views illustrating plasma display panels according to second to sixth embodiments of the present invention.

11 to 14 are schematic diagrams illustrating an address electrode structure applicable to a plasma display panel according to an exemplary embodiment of the present invention.

FIG. 15 is a schematic diagram illustrating a partition wall that may be applied to a plasma display panel according to an exemplary embodiment of the present invention.

16 is a partially exploded perspective view of a conventional plasma display panel.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plasma display panel, and more particularly, to a plasma display panel having a discharge cell structure which is advantageous for realizing a high definition display.

In general, a plasma display panel uses an image of red (R), green (G), and blue (B) visible light generated by excitation of a phosphor by vacuum ultraviolet (VUV) radiation emitted from a plasma obtained through gas discharge. It is a display element to implement. Such a plasma display panel can realize a large screen of 60 inches or more with a thickness of only 10 cm or less, and since it is a self-luminous display device such as a CRT, it has no characteristic of distortion due to color reproduction and viewing angle, and also has a manufacturing method compared to LCD. Its simplicity makes it a popular TV and industrial flat panel display, which has strengths in terms of productivity and cost.

Referring to FIG. 16, in a typical AC plasma display panel, address electrodes 115 are formed on one side of a rear substrate 112 in one direction and cover the address electrodes 115 to cover a dielectric layer on a front surface of the rear substrate 112. 120) is formed. The barrier ribs 117 are formed on the dielectric layer 120 to partition the discharge cells 119. The vertical barrier ribs are formed so that the stripe structure, the vertical barrier ribs and the horizontal barrier ribs are advantageous in the manufacturing process and advantageous in the exhaust process. The matrix structure is formed in a lattice shape and improves discharge efficiency and brightness. In the discharge cells 119 formed by these barrier ribs 117, phosphor layers 118 of red (R), green (G), and blue (B) colors are formed, respectively.

In addition, one surface of the front substrate 111 facing the rear substrate 112 includes a pair of transparent electrodes 113a and 114a and bus electrodes 113b and 114b along a direction crossing the address electrodes 115. The discharge sustain electrodes 113 and 114 are formed, and the dielectric layer 121 and the MgO passivation layer 123 are sequentially formed on the entire front substrate 111 while covering the discharge sustain electrodes 113 and 114.

The point where the address electrodes 115 on the rear substrate 112 and the pair of discharge sustaining electrodes 113 and 114 on the front substrate 111 cross each other corresponds to the discharge cell 119.

More than millions of unit discharge cells are arranged in a matrix form in the plasma display panel configured as described above. In order to simultaneously drive the discharge cells of the AC plasma display panel arranged in the matrix form, driving is performed using a memory characteristic.

Currently, information devices used not only in the industrial field but also in daily life are required to process more diverse information, and display elements also need to express a larger amount of image information. Plasma display panels recently introduced on the market show XGA (1024 × 768) resolution at 42 inches, and ultimately, they must be able to express Full HD (High Definition) images.

It is known that the efficiency is improved by increasing the gap between the discharge holding electrodes facing each other in each discharge cell. In recent years, however, the cell pitch has been gradually decreasing due to the development of HDTV. As the cell structure becomes smaller, the discharge space becomes narrower. It is difficult to secure, and in particular, it is more difficult to secure the vertical length of the discharge cells related to the gap between the discharge sustain electrodes, which causes a decrease in luminance. In order to obtain the positive beam effect, the gap between electrodes should be about 400 μm, and when the discharge cell pitch becomes small, such an effect cannot be utilized.

As described above, the biggest problem in realizing a high resolution of the plasma display panel is a decrease in luminance due to an increase in resolution. As is well known, a plasma display panel is a display device using a discharge phenomenon, and an increase in resolution causes a reduction in discharge space and a reduction in aperture ratio relative to a display area.

Therefore, in order to secure a sufficient inter-electrode gap while overcoming the limit of the reduced cell pitch, a discharge cell structure that can replace the existing rectangular barrier rib structure having a rectangular planar shape of each discharge cell is required. It needs to be adapted to the structure.

The present invention was devised to solve the above problems, and its object is to modify the shape of the partition wall so as to sufficiently secure the gap between the discharge sustaining electrodes in the discharge cell while maintaining the discharge cell pitch at a high definition. By providing a plasma display panel with improved efficiency.

In order to achieve the above object, a plasma display panel according to the present invention comprises: a first substrate and a second substrate facing each other; Discharge sustain electrodes formed on the first substrate; Barrier ribs defining subpixels by forming discharge cells having a length greater than a width in a space between the first substrate and the second substrate; A phosphor layer formed in each of the discharge cells; A plurality of discharge cells having a plurality of address electrodes formed on the second substrate, wherein the discharge cells are arranged in a width direction adjacent to each other in a length direction, Each of the cells is interposed between a pair of discharge cells adjacent to each other in a row of other discharge cells adjacent to each other, and red (R), green (G), and blue (B) colors forming one pixel. Subpixels of are arranged adjacent to each other in the discharge cell width direction in a single discharge cell row.

The end of each discharge cell is preferably formed in a wedge shape.

The discharge cells are arranged such that the distance between the longitudinal axes passing through the centers of the pair of adjacent discharge cells in the discharge cell longitudinal direction is half the distance between the centers of the pair of adjacent discharge cells in the discharge cell width direction. Can be.

Discharge cell portions interposed between a pair of adjacent discharge cells in another adjacent discharge cell row are preferably formed so that the vertical length is in a range of 4% to 10% of the vertical pixel pitch.

In the plasma display panel according to the embodiment of the present invention, the pixel arrangement structure is such that the discharge cells having the phosphor layer of the same color are moved in the longitudinal direction while alternately moving left and right by 1/2 horizontal subpixel pitch every row of the discharge cells. It may be arranged in a structure subsequent to the adjacent discharge cells.

As another example of the pixel arrangement structure, discharge cells having phosphor layers of the same color are moved by 1/2 horizontal subpixel pitch for each row over two discharge cell rows, and each row over two subsequent discharge cell rows. Each one may have a structure that is connected to discharge cells adjacent in the longitudinal direction while being moved by a -1/2 horizontal subpixel pitch.

As another example of the pixel array, a discharge cell having a phosphor layer of the same color may have a structure that is connected to the discharge cells adjacent in the longitudinal direction while being moved by 1/2 horizontal subpixel pitch for each discharge cell row.

The discharge sustaining electrode includes a bus electrode passing over a partition wall forming a boundary between adjacent rows of discharge cells, and a protruding electrode extending from the bus electrode toward the center of each discharge cell.

The bus electrode may have a zigzag shape along a partition wall forming a boundary between adjacent rows of discharge cells.

The bus electrode may be formed in a zigzag shape while passing over a partition wall forming a boundary of adjacent discharge cell rows, and bent near an end of each discharge cell.

The protruding electrode may have a concave portion formed at an end toward the center of the discharge cell.

The address electrode may be formed by extending a discharge cell having a phosphor layer of the same color in a longitudinal direction, and the address electrode may have an extension in a portion corresponding to the discharge cell. The extension part may be disposed in a portion corresponding to the center of the discharge cell.

The partition wall may have a central portion of the partition wall portion shared by the discharge cells adjacent in the width direction thicker than other portions.

According to another embodiment of the present invention, a plasma display panel includes: a first substrate and a second substrate facing each other; Barrier ribs defining subpixels by forming discharge cells having a length greater than a width in a space between the first substrate and the second substrate; A phosphor layer formed in each of the discharge cells; First and second electrodes corresponding to each discharge cell of the first substrate;

A third electrode disposed on the first substrate so as to correspond to the discharge cells between the first electrode and the second electrode; Address cells formed on the second substrate, the discharge cells are arranged in a plurality of discharge cells row is arranged in the width direction adjacent to each other in the longitudinal direction, each of the discharge cells belonging to any one discharge cell row The red, green, and blue subpixels of which one end is interposed between a pair of discharge cells adjacent to each other in adjacent rows of discharge cells, and constitute one pixel. These are arranged adjacent to each other in the discharge cell width direction in a single discharge cell row.

The end of each discharge cell is preferably formed in a wedge shape.

The discharge cells are arranged such that the distance between the longitudinal axes passing through the centers of the pair of adjacent discharge cells in the discharge cell longitudinal direction is half the distance between the centers of the pair of adjacent discharge cells in the discharge cell width direction. Can be.

Discharge cell portions interposed between a pair of adjacent discharge cells in another adjacent discharge cell row are preferably formed so that the vertical length is in a range of 4% to 10% of the vertical pixel pitch.

Each of the first electrode and the second electrode includes a bus electrode passing over a partition wall forming a boundary between adjacent rows of discharge cells, and a protruding electrode extending from the bus electrode toward the center of each discharge cell.

The bus electrode may have a zigzag shape along a partition wall forming a boundary between adjacent rows of discharge cells.

The bus electrode may be formed in a zigzag shape while passing over a partition wall forming a boundary of adjacent discharge cell rows, and bent near an end of each discharge cell.

The protruding electrode may have a concave portion formed at an end toward the center of the discharge cell.

The third electrode includes a bus electrode extending in a direction crossing the address electrode, and a transparent electrode extending along the bus electrode and having a larger width. In this case, the transparent electrode may have protrusions protruding toward the first electrode and the second electrode in a portion corresponding to the center of each discharge cell.

Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a partial plan view showing a plasma display panel according to a first embodiment of the present invention, Figure 2 (a) is a schematic diagram showing the structure of the discharge cell of the present embodiment, (b) is a conventional matrix type It is a schematic diagram which shows the structure of a discharge cell briefly.

Referring to FIG. 1, in the plasma display panel according to the present exemplary embodiment, a first substrate (not shown) and a second substrate (not shown) are basically disposed to face each other at a predetermined interval, and a plasma is formed in a space between the two substrates. A plurality of discharge cells 23R, 23G, 23B are formed by the partition walls 17 so as to cause discharge. The illustrated partition wall 17 is shown as a single line for the sake of simplicity of the drawing, but may be formed to have a predetermined width in practice, and the same also applies to the following drawings. On the second substrate facing surface of the first substrate, a plurality of discharge holding electrodes 12 and 13 are formed along one direction (x-axis direction of the drawing) of the substrate, and on the first substrate facing surface of the second substrate, A plurality of address electrodes 21 are formed along a direction crossing the discharge sustain electrodes 12 and 13 (y-axis direction in the drawing).

The discharge sustaining electrodes 12, 13 are each of the bus electrodes 12b, 13b passing over the partition walls forming the boundary of adjacent discharge cell rows, and the discharge cells 23R, 23G from the bus electrodes 12b, 13b. And projection electrodes 12a and 13a extending toward the center of 23B. In the present embodiment, the bus electrodes 12b and 13b are long in the direction crossing the address electrode 21 in a stripe shape. The bus electrodes 12b and 13b may be made of metal electrodes, and the protruding electrodes 12a and 13a may be made of transparent electrodes, and may be formed of indium tin oxide (ITO).

The discharge cell structure of this embodiment will be described in detail with reference to FIGS. 2A and 2B as follows.

The discharge cells 23R, 23G, and 23B formed by the partition walls 17 have a plurality of discharge cell rows L _n arranged adjacent in the discharge cell width direction (x-axis direction in the drawing) in the longitudinal direction. Are arranged to form a flat display screen. Each of the discharge cells 23R, 23G, and 23B has a greater length (l) than the width w, and each constitutes a subpixel. In the plasma display panel, subpixels of red (R), green (G), and blue (B) colors are arranged adjacent to each other to form one pixel. Subpixels of R), green (G) and blue (B) colors are arranged adjacent to each other in the discharge cell width direction in a single discharge cell row.

On the other hand, any one of the discharge cells belonging to the discharge cells in the row _{(L n) (23R, 23G} , 23B) each of which end portion is adjacent the other discharge cells in the row (L _n-1 or L _{n + 1)} from the adjacent pair to each other Are formed to be interposed between the discharge cells 23R, 23G, and 23B.

At this time, the end of each of the discharge cells (23R, 23G, 23B) may be formed in a wedge shape, these discharge cells (23R, 23G, 23B) are adjacent to the discharge cell longitudinal direction (y-axis direction in the figure) The distance g1 between the vertical axes passing through the center of each of the pair of discharge cells 23R, 23G, and 23B is between the centers of the pair of adjacent discharge cells in the discharge cell width direction (x-axis direction in the drawing). It is arranged to be half of the distance g2.

The discharge cell portion interposed between a pair of adjacent discharge cells in another adjacent discharge cell row L _n has a vertical length (le) in a range of 4% to 10% of the vertical pixel pitch Pv. It is desirable to. If it is less than 4%, the effect of securing the discharge gap is insignificant, and if it exceeds 10%, the discharge gap is sufficiently secured, while the loss of the electrode area in the width direction is large.

The discharge cell structure and the conventional matrix structure according to the present embodiment having the same horizontal pixel pitch Ph and vertical pixel pitch Pv are shown in Figs. 2A and 2B, respectively. In the drawing, 'S' is the discharge sustaining electrode region, which is an area including the outer edge of the sustain discharge electrode. The 'dielectric discharge path' indicates the distance starting from the end of the electrode where the sustain discharge is initiated and blocked by the partition wall, and ending the discharge. The 'gap between discharge sustaining electrodes' is a pair facing each other in each discharge cell. Indicates the interval between the discharge sustain electrodes.

As shown in the figure, when having the same pixel pitch, having the same 'dielectric path' can provide a longer 'gap between discharge sustaining electrodes' than the conventional matrix structure. It is already known that the longer the gap between the discharge sustaining electrodes, the higher the brightness and efficiency. Table 1 below shows the enlargement effect of the gap between the discharge sustaining electrodes corresponding to each pixel pitch.

Example 1 extends by 5% of the vertical pixel pitch compared to the comparative example (thus, the vertical length of the portion of the discharge cell interposed between a pair of adjacent discharge cells in adjacent rows of other discharge cells is 5% of the vertical pixel pitch Pv). Example 2 is extended by 10% of the vertical pixel pitch Pv compared to the comparative example.

Pixel pitch (mm) Maintenance discharge path (㎛) Gap between discharge electrodes Comparative example Example 1 (5% extension) Example 2 (10% extension) One 450 100 150 200 One 350 300 350 400 0.8 330 140 180 220 0.8 230 340 380 420 0.6 220 160 190 220 0.6 120 360 390 420 0.4 120 160 180 200 0.4 20 360 380 400

If the sustain discharge path is not long enough, the discharge cannot be maintained to the end, which is disadvantageous in luminance, and the narrow gap between the discharge sustain electrodes is inefficient, so it is important to obtain optimum conditions. In particular, it is important to find an optimal condition for each pixel pitch according to the high resolution. According to Table 1, the structure proposed by the present invention may have a longer gap between discharge sustaining electrodes for a given sustain discharge path, which is indispensable due to the high resolution. It can be seen that the discharge path that is rapidly reduced can be compensated by the long gap sustain discharge effect.

3 to 5 are schematic diagrams illustrating various pixel array structures of the plasma display panel according to the first embodiment of the present invention.

The pixel array structure shown in FIG. 3 is a structure in which discharge cells having phosphor layers of the same color are connected to discharge cells adjacent in the longitudinal direction alternately moving left and right by 1/2 horizontal subpixel pitch Ps for every discharge cell row. . In other words, a subpixel of the same color is arranged to be moved by + ½Ps once in the x-axis direction and -½Ps once by the other.

In the pixel array structure shown in Fig. 4, the discharge cells having the phosphor layers of the same color are moved by 1/2 horizontal subpixel pitch for each row over two discharge cell rows, and then over two discharge cell rows. Each row is shifted by a -1/2 horizontal subpixel pitch and is connected to discharge cells adjacent in the longitudinal direction. In other words, the sub-pixels of the same color are moved twice by + ½Ps and twice by -½Ps in the x-axis direction of the drawing. By generalizing such a structure, a more diverse pixel array structure can be obtained by shifting subpixels of the same color n times by + ½Ps and m times by -½Ps.

The pixel array structure shown in Fig. 5 is a structure in which discharge cells having phosphor layers of the same color are connected to discharge cells adjacent in the longitudinal direction while being moved by 1/2 horizontal subpixel pitch for each discharge cell row. In other words, the subpixels of the same color are always arranged by + ½Ps in the x-axis direction of the drawing.

6 to 10 are partial plan views illustrating plasma display panels according to second to sixth embodiments of the present invention. Since the plasma display panel according to each embodiment below basically has the same discharge cell structure as the first embodiment, a detailed description thereof will be omitted. In the following, the same reference numerals are used for the same components.

Referring to FIG. 6, the discharge sustaining electrodes 32 and 33 according to the second exemplary embodiment of the present invention have a zigzag-shaped bus electrode 32b and 33b along a partition wall forming a boundary between adjacent discharge cell rows. ) And protruding electrodes 32a and 33a extending from the bus electrodes 32b and 33b toward the center of each discharge cell 23R, 23G and 23B.

Since the shapes of the discharge cells 23R, 23G, and 23B can be almost used as light emitting regions, it is advantageous to improve luminance, and the contrast ratio can be improved by applying an opaque metal electrode to the bus electrodes 32b and 33b.

Referring to FIG. 7, the discharge sustaining electrodes 36 and 37 according to the third exemplary embodiment of the present invention pass over partition walls forming borders of adjacent rows of discharge cells, and each of the discharge cells 23R, 23G, and 23B. Bus electrodes 36b and 37b that are bent near the ends of the ends and have a zigzag shape, and protruding electrodes 36a and 37a extending from the bus electrodes 36b and 37b toward the center of each discharge cell 23R, 23G, 23B. It is composed of

Since the shape of the discharge cells 23R, 23G, 23B can be utilized as many partial light emitting regions as possible, it is advantageous to improve the brightness, and the electrode defect rate during the electrode forming process by preventing the bent portions of the bus electrodes 36b and 37b from sharply bent. Can be reduced. Similarly, applying an opaque metal electrode to the bus electrodes 36b and 37b can improve the contrast ratio.

Referring to FIG. 8, the discharge sustain electrodes 42, 43 according to the fourth embodiment of the present invention have the bus electrode structure of the third embodiment, and each discharge cell 23R is formed from the bus electrodes 42b, 43b. The recesses 42c and 43c are formed at the ends of the protruding electrodes 42a and 43a extending toward the center of 23G and 23B. The end recesses 42c and 43c of the protruding electrodes 42a and 43a form discharge gaps having different lengths between the protruding electrodes 42a and 43a facing each other in the discharge cells 23R, 23G and 23B. As a result, discharge can be started with a low voltage at a short discharge gap, and discharge efficiency can be improved by realizing a long gap discharge that maintains a longer sustain discharge path by discharging the discharge started from this.

Referring to FIG. 9, the plasma display panel according to the fifth exemplary embodiment includes an intermediate electrode 48 in addition to a pair of discharge sustaining electrodes 46 and 47 in each of the discharge cells 23R, 23G, and 23B. do. The intermediate electrode 48 is disposed to correspond to each of the discharge cells 23R, 23G, and 23B between the pair of discharge sustaining electrodes 46 and 47, and crosses an address electrode in a stripe shape (as shown in FIG. a bus electrode 48b extending in the x-axis direction) and a transparent electrode 48a extending in the same manner as the bus electrode 48b.

The discharge sustain electrodes 46 and 47 pass over a partition wall forming a boundary between adjacent rows of discharge cells, and are bent near the end of each discharge cell 23R, 23G, 23B to form a zigzag bus electrode 46b. 47b and protruding electrodes 46a and 47a extending from the bus electrodes 46b and 47b toward the center of each of the discharge cells 23R, 23G and 23B.

Referring to FIG. 10, in the plasma display panel according to the sixth embodiment of the present invention, each discharge cell 23R, 23G, 23B is disposed between a pair of discharge sustaining electrodes 52, 53, as in the fifth embodiment. And a bus electrode 54b arranged in a stripe shape and extending in a direction crossing the address electrode (x-axis direction in the drawing), and having a larger width than the bus electrode 54b. It comprises an intermediate electrode 54 composed of a).

The discharge sustain electrodes 52 and 53 pass over a partition wall forming a boundary between adjacent rows of discharge cells, and are bent near the end of each discharge cell 23R, 23G, 23B to form a zigzag bus electrode 52b. And 53b and protruding electrodes 52a and 53a extending from the bus electrodes 52b and 53b toward the center of each discharge cell 23R, 23G and 23B.

Concave portions 52c and 53c are formed at the ends of the protruding electrodes 52a and 53a, and the concave portions 52c and 53c are protruding electrodes 52a facing each other in the discharge cells 23R, 23G and 23B. , 53a) can form discharge gaps of different lengths to initiate discharge at lower voltages at relatively shorter discharge gaps, and the discharges initiated therefrom spread to relatively longer discharge gaps to maintain longer sustain discharge paths. The long gap discharge can be realized to improve the discharge efficiency.

In addition, in the present embodiment, the transparent electrode 54a of the intermediate electrode has a protrusion 54c protruding toward the discharge sustaining electrodes 52 and 53 at a portion corresponding to the center of each discharge cell 23R, 23G, 23B. Have By forming the protrusion 54c, it is possible to prevent the intermediate electrode 54 from increasing a discharge voltage when the intermediate electrode 54 is discharged from the discharge sustain electrodes 52 and 53.

11 to 14 are schematic diagrams illustrating an address electrode structure applicable to a plasma display panel according to an exemplary embodiment of the present invention.

In the plasma display panel according to each embodiment of the present invention, the address electrodes are preferably formed to extend in a direction in which the discharge cells having the phosphor layer of the same color extend in the longitudinal direction.

FIG. 11 is an address electrode 31 that can be applied to the case in which the pixel array structure shown in FIG. The address electrode 31 has an extension portion 31a at a portion corresponding to the center of the discharge cell, thereby enabling low voltage address discharge. At this time, the shape of the expansion portion 31a may be formed along the outer shape of the discharge cell.

12 is an address electrode 41 which can be applied to the case of having the pixel arrangement structure as shown in FIG. 3, and likewise has an extension 41a at a portion corresponding to the center of the discharge cell. The shape of the expanded portion 41a can be formed into a simple rectangle.

FIG. 13 is also an address electrode 51 which can be applied to the case of having the pixel arrangement structure as shown in FIG. 3, and as shown in the portion corresponding to the discharge cell, in particular the portion facing the scan electrode, as shown in FIG. Can be formed.

FIG. 14 illustrates an address electrode 61 that may be applied to the pixel array structure shown in FIG. 5. The address electrode 61 may also have an extended portion 61a at a portion corresponding to the discharge cell, and the formation position and shape may be modified and applied as described above.

FIG. 15 is a schematic diagram illustrating a partition wall that may be applied to a plasma display panel according to an exemplary embodiment of the present invention.

As shown, the partition 17 has a central portion 17a of the partition portion shared by the discharge cells adjacent in the width direction more thickly than other portions. When the space enclosed by a partition is especially long in one direction, defects may arise by the method of sandblasting, etc. In particular, there is a high possibility that the longitudinal bulkhead of a long length may be damaged. Therefore, by forming as in the embodiment of the present invention it is possible to reduce the partition failure rate in the partition manufacturing process.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. Naturally, it belongs to the scope of the invention.

As described above, according to the plasma display panel according to the present invention, in the high-definition discharge cell structure, the gap between the opposing discharge sustaining electrodes is sufficiently secured to induce long gap discharge, thereby minimizing luminance reduction and improving discharge efficiency. It has an effect.

Claims (25)

A first substrate and a second substrate disposed to face each other Discharge sustain electrodes formed on the first substrate; Barrier ribs defining subpixels by forming discharge cells having a length greater than a width in a space between the first and second substrates; Phosphor layers formed in the respective discharge cells; Address electrodes formed on the second substrate Including, The discharge cells are arranged in a plurality of discharge cell rows arranged in the width direction adjacent to each other in the longitudinal direction, each of the discharge cells belonging to one discharge cell row in the other discharge cell row with a part of the end adjacent to each other Interposed between a pair of discharge cells adjacent to each other, A sub-pixel of red (R), green (G), and blue (B) colors constituting one pixel are arranged adjacent to each other in a discharge cell width direction in a single discharge cell row. The method of claim 1, And a distal end of each discharge cell has a wedge shape. The method of claim 1, The discharge cells are arranged such that the distance between the longitudinal axes passing through the centers of the pair of adjacent discharge cells in the discharge cell longitudinal direction is half the distance between the centers of the pair of adjacent discharge cells in the discharge cell width direction. Plasma display panel. The method of claim 1, And a portion of the discharge cells interposed between a pair of adjacent discharge cells in adjacent rows of other discharge cells, wherein the vertical length is in a range of 4% to 10% of the vertical pixel pitch. The method of claim 1, A plasma display panel in which discharge cells having phosphor layers of the same color are connected to discharge cells adjacent in a longitudinal direction alternately moving left and right by 1/2 horizontal subpixel pitches in every discharge cell row. The method of claim 1, The discharge cells having the phosphor layer of the same color are shifted by 1/2 horizontal subpixel pitch for each row over two rows of discharge cells, and -1/2 horizontal portions for each row over two subsequent discharge cell rows. A plasma display panel which is moved by a pixel pitch and is connected to discharge cells adjacent in a longitudinal direction. The method of claim 1, A plasma display panel in which discharge cells having phosphor layers of the same color are connected to discharge cells adjacent in the longitudinal direction while being moved by 1/2 horizontal subpixel pitch in each discharge cell row. The method of claim 1, And the discharge sustain electrode includes a bus electrode passing over a partition wall forming a boundary between adjacent rows of discharge cells, and a protruding electrode extending from the bus electrode toward the center of each discharge cell. The method of claim 8, And the bus electrodes are formed in a zigzag shape along a partition wall forming a boundary between adjacent rows of discharge cells. The method of claim 8, And the bus electrodes are zigzag and bent near end portions of each discharge cell while passing over barrier ribs forming borders of adjacent discharge cell rows. The method of claim 8, And the concave portion is formed at an end of the protruding electrode toward the center of the discharge cell. The method of claim 1, And the address electrode is formed to extend in a direction in which discharge cells having phosphor layers of the same color extend in the longitudinal direction. The method of claim 12, And the address electrode has an extension in a portion corresponding to the discharge cell. The method of claim 13, And the expansion part is disposed in a portion corresponding to the center of the discharge cell. The method of claim 1, The partition wall has a central portion of the partition portion shared by the discharge cells adjacent in the width direction is formed thicker than the other portion. A first substrate and a second substrate disposed to face each other Barrier ribs defining subpixels by forming discharge cells having a length greater than a width in a space between the first and second substrates; Phosphor layers formed in the respective discharge cells; First and second electrodes corresponding to each discharge cell of the first substrate; A third electrode disposed on the first substrate to correspond to each of the discharge cells between the first electrode and the second electrode; Address electrodes formed on the second substrate Including, The discharge cells are arranged in a plurality of discharge cell rows arranged in the width direction adjacent to each other, the discharge cells belonging to any one discharge cell row, as long as the end portion is adjacent to each other in the adjacent discharge cell row Interposed between the pair of discharge cells, A sub-pixel of red (R), green (G), and blue (B) colors constituting one pixel are arranged adjacent to each other in a discharge cell width direction in a single discharge cell row. The method of claim 16, And a distal end of each discharge cell has a wedge shape. The method of claim 16, The discharge cells are arranged such that the distance between the longitudinal axes passing through the centers of the pair of adjacent discharge cells in the discharge cell longitudinal direction is half the distance between the centers of the pair of adjacent discharge cells in the discharge cell width direction. Plasma display panel. The method of claim 16, And a portion of the discharge cells interposed between a pair of adjacent discharge cells in adjacent rows of other discharge cells, wherein the vertical length is in a range of 4% to 10% of the pixel vertical pitch. The method of claim 16, And each of the first electrode and the second electrode includes a bus electrode passing over a partition wall forming a boundary between adjacent rows of discharge cells, and a protruding electrode extending from the bus electrode toward the center of each discharge cell. The method of claim 20, And the bus electrodes are formed in a zigzag shape along a partition wall forming a boundary between adjacent rows of discharge cells. The method of claim 20, And the bus electrodes are zigzag and bent near end portions of each discharge cell while passing over barrier ribs forming borders of adjacent discharge cell rows. The method of claim 20, And the concave portion is formed at an end of the protruding electrode toward the center of the discharge cell. The method of claim 16, And the third electrode includes a bus electrode extending in a direction crossing the address electrode and a transparent electrode extending along the bus electrode and having a larger width. The method of claim 24, And the transparent electrode has protrusions protruding toward the first electrode and the second electrode in a portion corresponding to the center of each of the discharge cells.

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