JP3522200B2 - Aging tray for plasma display panel - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aging tray of a plasma display panel, and more particularly to a structure of an aging tray of a plasma display panel, which allows plasma display panels of different sizes to be aged with the same tray.

[0002]

2. Description of the Related Art Generally, a plasma display panel (hereinafter referred to as PDP), for example, an AC type PDP having a three-electrode structure.
Is a display electrode that defines a discharge cell for display covered with a dielectric layer such as low-melting glass, and at the time of display, a discharge cell for an address to emit light by a write address method or an erase address method. After the wall charges are selectively accumulated on the display electrodes, a discharge sustaining voltage is alternately applied to the pair of display electrodes to periodically generate a discharge.

In a PDP, discharge gas is filled, and after panel assembly is completed, aging is performed for continuously lighting all discharge cells in the display surface for a predetermined time.
By aging, the surface layer portion of the dielectric layer is physically and chemically cleaned, the discharge start voltage is lowered, driving is facilitated, and discharge is stabilized.

A tray having a connection terminal for an aging power source is used for aging the PDP.

FIG. 5 is a perspective view of an aging tray of a PDP disclosed in Japanese Patent Laid-Open No. 11-213891. As shown in FIG. 5, the aging tray is a panel 100.
It is a fixed size suitable for the size of
It has a fixed electrode 103 having a mesh electrode 101 corresponding to the side and a panel retainer 102. The aging is performed by applying a voltage having a predetermined waveform from the voltage supplied from the aging voltage source to the panel 100 by the aging tray.

[0006]

When aging a multi-model size PDP using the conventional aging tray as shown in FIG. 5, it is necessary to prepare an aging tray for each panel size. FIG. 6 is a plan view of such an aging tray, in which (a) is a plan view of a small size panel tray (denoted by reference numeral 100b), and (b) is a large size panel tray (denoted by reference numeral 100a). It is a top view.

As described above, the conventional aging tray requires an aging tray for each panel size,
Capital investment will increase. Further, when producing a panel of a specific size, the aging tray for panels of other sizes cannot be used, and there is a problem that the operating rate and productivity of the equipment are pressed. Further, it is necessary to adjust the number of panels to be put into the aging process for each product type, which causes a problem that the production plan becomes complicated.

An object of the present invention is to provide an aging tray for PDP which solves the above problems of the prior art.

[0009]

[Means for Solving the Problems] P of the first configuration of the present invention
The aging tray of DP is for short-circuiting each electrode group provided around the four sides of the plasma display panel to supply a voltage to the electrode group, and to turn on all discharge cells of the plasma display panel for a predetermined time. A plasma display panel, wherein the plasma display panel comprises a short bar electrode, the short bar electrode is for a group of electrodes on adjacent sides of the plasma display panel, and is a set of common electrodes that are commonly used by panels of a plurality of sizes. Of a plurality of electrodes corresponding to the plurality of panels, which are for the electrode groups on the remaining adjacent sides of.

In the aging tray of the PDP having the second structure according to the present invention, each electrode group provided around the four sides of the plasma display panel is short-circuited to supply a voltage to the electrode group, and all the plasma display panel is provided. A short bar electrode for lighting the discharge cell for a predetermined time, and the plurality of short bar electrodes are provided so as to be line-symmetrically opposed to each other corresponding to a plurality of sizes of the plasma display panel. Is characterized by.

In the aging tray of the plasma display panel of the first and second configurations of the present invention, the short bar electrode is attached to the bottom surface of the aging tray by a fixing means such as a screw, a hook or a connector. Is arranged at the upper end of the electrode column fixed so as to be vertical. The short bar electrode can be easily removed from the aging tray by removing these fixing means.

Further, in the aging tray of the plasma display panel having the above-mentioned first and second configurations of the present invention, the electrode pillars are located at a position lower than the mounting height of the plasma display panel to the aging tray. It can be rotated downward, and the number of steps for removing the electrode support can be reduced.

According to the present invention, by adopting the above-mentioned configuration, the aging tray can be shared in the production of PDPs of various model sizes, so that the equipment investment can be suppressed and the equipment operation rate and the productivity can be improved.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments of the PDP aging tray of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a PDP according to a first embodiment of the present invention.
2A is a plan view of the aging tray of FIG. 3A, where FIG. 3A is a plan view of the aging tray of the PDP before mounting the panel, and FIG.
[Fig. 3] is a plan view of an aging tray of a PDP with a first panel attached, and (c) is a plan view of an aging tray of a PDP with a second panel (larger than the first panel) installed.

As shown in FIG. 1A, the PD of the present embodiment
The aging tray 1 of P is formed by short-circuiting the electrode groups on each side provided around the four sides of the rectangular PDP.
It has a plurality of short bar electrodes for aging DP, and these short bar electrodes are for a group of electrodes on adjacent sides of the PDP and are commonly used for a panel of a plurality of sizes. Electrodes (first common electrode 2, second common electrode 5) and a plurality of sets of electrodes (FIG. 1) for electrode groups on the remaining adjacent sides of the plasma display panel, each of which corresponds to a panel of a plurality of sizes. (A) is composed of a set of the first electrode 3 and the third electrode 6 and two sets of the second electrode 4 and the fourth electrode 7). These short bar electrodes can be attached and detached according to the panel size. Since the first common electrode 2 and the second common electrode 5 are commonly used in various panels, they are not normally removed.

In FIG. 1A, reference numeral 8 is a panel (referred to as a first panel) installation position using the common electrodes 2 and 5, the first electrode 3 and the third electrode 6 described above, and reference numeral 9 is two. Two common electrodes 2, 5, a second electrode 4 and a fourth electrode 7
A panel (referred to as a second panel) installation position using is shown.

FIG. 2 shows first and second common electrodes and first to first electrodes.
It is sectional drawing which shows the structure of the electrode part of a 4th electrode. Each electrode consists of a mesh electrode 21 made of steel fiber, and both ends of this mesh electrode 21 are the aging tray 1
It is fixed by a fixing means 23 such as a screw, a hook, or a connector on the bottom surface of the above, and is fixed to the lower surface of the horizontal processing portion 30a at the upper end portion of the electrode pillar 30 installed vertically. The height of the electrode column 30 can be adjusted up and down, and the mesh electrode 21
The height of can be adjusted.

A panel retainer 22 for holding a panel attached to the aging tray 1 from below is installed at a predetermined height of the electrode column 30. By inserting a panel between the panel retainer 22 and the mesh 21 and adjusting the height of the electrode support column 30, the mesh electrode 21
Can be brought into contact with the collective electrode of the panel (not shown) with suitable pressure. In addition, the electrode column 30 has several tens.
Can be rotated downward at an angle of °, and the aging tray 1
The distance between the electrodes installed on the panel is widened so that the panel can be installed easily. In addition, aging tray 1
Then, a connection wiring and a power source for applying a voltage from a power source are arranged on each electrode (short bar electrode), but these are omitted in FIGS. 1 and 2.

Next, a method of mounting a panel using the aging tray 1 of FIG. 1 (a) will be described with reference to FIG. 1 (b) and FIG.
This will be described with reference to (c).

When the first panel 10 (small size) is attached to the aging tray 1 as shown in FIG. 1B, the first common electrode 2, the first electrode 3 and the second common electrode 5 are attached. The first panel 10 is fixed with the third electrode 6.
In this case, the second panel 11 is provided outside the first panel 10.
Since the second electrode 4 and the fourth electrode 7 provided for the purpose do not interfere with the first panel 10, they may be attached to the aging tray 1 as they are.

As shown in FIG. 1C, when the second panel 11 larger than the first panel 10 is attached to the aging tray 1, the first electrode 3 and the third electrode for the first panel 10 are attached. The electrode 6 can be used as the aging tray 1 of the second panel 11 by removing it to interfere with the second panel. The second panel 11 is fixed by the first common electrode 2, the second common electrode 5, the second electrode 4 and the fourth electrode 7.

Next, an aging tray of the PDP according to the second embodiment of the present invention will be described with reference to the drawings.

The aging tray of the PDP according to the present embodiment has a plurality of short bar electrodes for inspecting the PDP as in FIG.
A set of common electrodes (first common electrode 2 and second common electrode 5), which are used for electrodes of adjacent sides of P and are commonly used in panels of a plurality of sizes; A plurality of sets of electrodes (Fig.
In (a), the set of the first electrode 3 and the third electrode 6 and the second
Electrode 4 and a fourth electrode 7 of two sets), and each electrode is an aging tray panel (PD).
A major feature is that it can rotate downward to a position lower than the height at which P) is attached.

FIG. 3 is a sectional view showing the structure of the electrode portions of the first electrode 3 and the second electrode 4. The same reference numerals as those in FIG. 2 in FIG. 3 represent the same elements in FIG. In the figure, reference numeral 22a indicates a panel retainer, and reference numeral 23a indicates a fixing means of the electrode support column 30 on which the first electrode 3 is installed. When attaching the second panel 11 to the aging tray 1 as shown in FIG.
Although the electrode 3 of 1 interferes with the second panel 11, the interference with the second panel 11 can be avoided by rotating the first electrode 3 downward. Thus, in the present embodiment, the second panel 11 can be aged without removing the first electrode (the same applies to the third electrode). Further, when the aging of the first panel 10 is performed, the first electrode 3 rotated downward is rotated to set the electrode support columns 30 vertically, thereby forming an aging tray for the first panel 10. . Therefore, the aging tray of the PDP of the present embodiment has the effect of reducing the number of man-hours required for removal, as compared with the aging tray of the PDP of the first embodiment.

Next, the PDP of the third embodiment of the present invention
The aging tray will be described with reference to the drawings.
FIG. 4 is a plan view of the aging tray of the PDP according to the third embodiment of this invention. The aging tray of the PDP of this embodiment is the PD of the first and second embodiments described above.
It has a structure combining P aging trays. In the figure, reference numeral 3a indicates a fifth electrode, reference numeral 4a indicates a sixth electrode, reference numeral 6a indicates a seventh electrode, and reference numeral 7a indicates an eighth electrode.

As shown in FIG. 4, the aging tray of the PDP according to the present embodiment has a plurality of electrodes arranged facing each other for aging the PDP by short-circuiting the electrode groups on each side provided around the PDP. A pair of short bar electrodes (3-3a, 6-6a first panel electrode, 4-4a,
The second panel electrode 7-7a) is provided, and these electrodes can be attached or detached or rotated downward so as not to interfere with the panel depending on the size of the panel. Since the center of gravity of the aging tray of this embodiment is at the center, it has the effect of preventing meandering and oblique transportation during transportation.

[0028]

As described above, the aging tray of the PDP of the present invention has the following effects when producing multi-model PDPs. (1) Aging tray can be shared, and capital investment can be suppressed. (2) The floor area on which unused aging trays are placed can be suppressed. (3) Since all the aging trays that contribute to production can be used, the operating rate and productivity are improved.

[Brief description of drawings]

FIG. 1 is a plan view of an aging tray of a PDP according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a structure of an electrode portion of the aging tray of the PDP according to the first embodiment of the present invention.

FIG. 3 is a sectional view showing a structure of an electrode portion of an aging tray of a PDP according to a second embodiment of the present invention.

FIG. 4 is a plan view of an aging tray of a PDP according to a third embodiment of the present invention.

FIG. 5 is a perspective view of a conventional PDP aging tray.

FIG. 6 is a plan view of a conventional PDP aging tray.

[Explanation of symbols]

1 Aging tray 2 First common electrode 3 First electrode 3a Fifth electrode 4 Second electrode 4a Sixth electrode 5 Second common electrode 6 Third electrode 6a Seventh electrode 7 Fourth electrode 7a Eighth electrode 8 First panel installation position 9 Second panel installation position 10 First panel 11 Second panel 21,101 mesh electrode 22, 22a, 102 Panel clamp 23, 23a fixing means 100 panels 103 fixed electrode 100a Small size panel tray 100b Large size panel tray

Claims (8)

(57) [Claims] 1. A short circuit for short-circuiting each electrode group provided around the four sides of the plasma display panel to supply a voltage to the electrode group and for lighting all discharge cells of the plasma display panel for a predetermined time. The plasma display panel includes a bar electrode, the short bar electrode is for a group of electrodes on adjacent sides of the plasma display panel, and is a set of common electrodes that are commonly used in panels of a plurality of sizes. An aging tray for a plasma display panel, comprising: a plurality of sets of electrodes corresponding to the electrodes of the remaining adjacent sides and corresponding to the panels of the plurality of sizes. 2. The aging tray of a plasma display panel according to claim 1, wherein the short bar electrode is attachable to and detachable from the aging tray. 3. The short bar electrode is fixed to the bottom surface of the aging tray by screws, hooks or connectors, and is fixed to the upper ends of electrode columns vertically arranged from the bottom surface. Item 3. An aging tray for a plasma display panel according to item 1 or 2. 4. The aging tray of a plasma display panel according to claim 3, wherein the electrode support column is rotatable downward so as to be positioned lower than a mounting height of the plasma display panel on the aging tray. 5. A short circuit for short-circuiting each electrode group provided around the four sides of the plasma display panel to supply a voltage to the electrode group and to turn on all discharge cells of the plasma display panel for a predetermined time. An aging tray for a plasma display panel, comprising bar electrodes, wherein a plurality of the short bar electrodes are provided so as to face each other in line symmetry corresponding to a plurality of sizes of the plasma display panel. 6. The aging tray of a plasma display panel according to claim 5, wherein the short bar electrode is attachable to and detachable from the aging tray. 7. The short bar electrode is fixed to a bottom surface of the aging tray by a screw, a hook or a connector, and is fixed to an upper end of an electrode column vertically arranged from the bottom surface. Item 5. An aging tray for a plasma display panel according to item 5 or 6. 8. The aging tray for a plasma display panel according to claim 7, wherein the electrode support column is rotatable downward so as to be positioned lower than a mounting height of the plasma display panel on the aging tray.