JPH04301340A - Plasma display panel - Google Patents

Abstract

PURPOSE:To provide an electrode wiring structure capable of being easily crossover-wired at a low cost on a graphic type plasma display panel with no spatial margin for the crossover wiring of electrodes. CONSTITUTION:Display electrode groups 5 are provided on a crossover insulating layer 4, the display electrode groups 5 are connected to the first leading electrode groups 2a for cross-over wiring arranged below the insulating layer 4 via through holes 3 provided on the insulating layer 4, and end sections of the first electrode groups 2a are extracted to the periphery of a panel for connection to external electric circuits.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plasma display panel, and more particularly to an electrode structure requiring a crossover connection.

0002

2. Description of the Related Art Conventionally, this type of crossover connection has been made by providing a group of display electrodes 5 on a substrate 1 as shown in FIG. A through hole 3 was provided in the insulating layer 4, and a crossover electrode 13 was provided on the insulating layer 4.

A voltage is applied to the display electrode group 5 from an external electric circuit through a terminal group 14 and a crossover electrode 13. A transparent electrode group 8a faces the display electrode group 5.
and a display side substrate 7 having a wiring terminal group 8b connected to a transparent electrode group 8a are placed facing each other with a rare gas interposed therebetween. A voltage is also applied to the transparent electrode group 8a from an external electric circuit to cause discharge between the transparent electrode group 8a and the display electrode group 5, thereby obtaining an arbitrary display pattern.

0004

[Problems to be Solved by the Invention] In the conventional plasma display panel having a crossover connection, a graphic type panel requires an extra area outside the display area for the crossover connection, resulting in an increase in the panel size. was inviting. In addition, when using multiple graphic types in a row horizontally, it is not possible to provide an area for crossover connections outside the display area, and crossover wiring must be provided between the dots of the graphic display. Instead, it was necessary to form an elongated insulating layer for crossover, and then form crossover wiring on top of it. Such processing requires extremely high precision and poses major problems in terms of yield and cost.

[0005]

[Means for Solving the Problems] The present invention provides a plasma display panel having a flat substrate having a display electrode group. an insulating layer having a through hole 3 provided on a first electrode group; a display electrode group electrically connected to the first electrode group via the through hole; provided on the insulating layer; There is.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be explained with reference to the drawings. FIG. 1 is an exploded perspective view of a first embodiment of the invention. First, a silver paste is screen printed on a substrate 1 made of a soda glass plate having a thickness of 1.8 mm and then baked to form a first electrode group 2a. An insulating layer 4 provided with through holes 3 so that a portion of the first electrode group 2a is exposed is formed by screen printing and baking a glass paste containing low softening point glass as a main component. Next, silver paste is screen printed so as to cover the through holes 3 to form a display electrode group 5 connected to the first electrode group 2a. A seal glass 6 is formed around the substrate 1 by screen printing.

The display side substrate 7 facing the substrate 1 has a CVD
A transparent electrode group 8a containing tin oxide as a main component is formed by a method. The display side terminal group 8b connected to the transparent electrode group 8a is formed by screen printing silver paste. Display side board 7
In this step, a spacer 9 made of a mixture of ceramic powder and low softening point glass is formed to a thickness of 50 to 200 μm by screen printing. Thereafter, the substrate 1 and the display side substrate 7 are combined, heated, and sealed with a sealing glass 6. After exhausting the inside of the panel through an exhaust hole 10 previously made in the substrate 1 and filling it with neon gas, the exhaust hole 10 is hermetically sealed. An external electric circuit is connected to the terminal group 2b at the end of the first electrode group 2a in the display electrode group 5, and an external electric circuit is connected to the display side terminal group 8b in the transparent electrode group 8a. The voltage is applied to cause a desired discharge cell to discharge and emit light.

FIG. 2 is a cross-sectional view of a second embodiment of the invention. The first embodiment is a DC discharge type plasma display panel, but this embodiment is an AC discharge type plasma display panel. Common parts between FIGS. 1 and 2 are given common numbers. In FIG. 2, display electrode group 5
A dielectric layer 11 and a protective layer 12 are coated on the transparent electrode group 8a, and AC driving is possible.

[0009]

Effects of the Invention As explained above, the present invention provides display electrodes that are provided on an insulating layer, and electrodes for routing that are wired on a substrate below the insulating layer through through holes formed in the insulating layer. The structure connects the display electrodes and applies voltage from an electric circuit outside the panel, so it is suitable for graphic type display panels that do not have extra area for crossover within the panel, and for multiple panels. It has become possible to wire electrodes for display panels that are used side by side.

Furthermore, because of the electrode structure described above, it is no longer necessary to wire the crossover wiring on the insulating layer, and it is no longer necessary to provide a long and thin insulating layer between the dots of a graphic type display panel, or to There is no longer any need for crossover wiring on top. Therefore, it has the effect that panels can be easily manufactured at a high yield and at low cost.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of a first embodiment of the present invention.

FIG. 2 is a sectional view showing a second embodiment of the invention.

FIG. 3 is an exploded perspective view showing a conventional example.

[Explanation of symbols]

1 Board 2a First electrode group 2b Terminal group 3 Through hole 4 Insulating layer 5 Display electrode group 6 Seal glass 7 Display side board 8a Transparent electrode group 8b Display side terminal group 9 Spacer 10 Exhaust hole 11 Dielectric layer 12 Protective layer

Claims (1)

[Claims] 1. A plasma display panel comprising a flat substrate having a display electrode group, a first electrode group connected to an external electric circuit on the flat substrate, and a first electrode group connected to an external electric circuit. A plasma characterized by comprising an insulating layer having a through hole provided thereon, and the display electrode group electrically connected to the first electrode group via the through hole provided on the insulating layer. display panel.