JPS62219438A - gas discharge panel - Google Patents

Abstract

PURPOSE:To obtain an uniform discharge gap so as to facilitate the assembly by providing mesh-like cell layers for partitioning respective discharge call portions while laminating gap layers in stripe shape on the cell layers so as to impart the function of a spacer thereto. CONSTITUTION:X electrodes 3 extended in the longitudinal direction and Y electrodes 4 extended in the lateral direction are arranged on the inner surfaces of substrates 1 and 2 respectively, then both electrodes are faced each other to form an envelope, thus a gas discharge panel being formed. In this case, mesh-like cell layers are mounted on the X electrodes of the substrate 1, through dielectric layers so as to partition respective discharge cell portions. Further, stripe gap layers 6 are formed to be laminated on either of longitudinal and lateral threadlike patterns 5Y of the cell layers 5. And, the discharge gap is set by the total thickness of the gap layers 6 and cell layers 5Y. Therefore, a crosstalk between mutual celles is prevented and the uniform discharge gap can be ensured.

Description

[Detailed Description of the Invention] [Summary] The present invention combines a mesh-like cell layer and a stripe-like gap layer on one substrate as a spacer for defining a discharge gap in a display gas discharge panel. It is characterized by being formed.

[Industrial application field]

This invention relates to improvements in display gas discharge panels, and more particularly to a new spacer structure for defining a discharge gap.

[Prior Art] Various types of gas discharge panels, such as DC drive type and AC drive type, have been put into practical use for displaying characters and figures using gas discharge light. However, in these conventional gas discharge panels, spacer layers are formed on both substrates to define the discharge gap, and the gap is determined by the total dimension of these layers, making alignment during assembly difficult. Met.

[Problem that the invention seeks to solve]

The present invention aims to improve the spacer structure of a gas discharge panel in view of the above-mentioned circumstances, and more specifically, aims to provide a new spacer that is easy to form and useful for improving resolution. It is something.

[Means for solving problems]

Simply stated, the present invention involves forming a mesh-like cell layer on the inner surface of one of a pair of glass substrates serving as a panel envelope, and forming a mesh-like cell layer that partitions individual discharge cell parts. Overlap the cell layer pattern on one side vertically and horizontally,
It is characterized by forming a gap layer in the form of a stripe that defines the gap between the substrate and the other substrate.

[Effect]

According to this configuration, individual discharge cells can be divided by the mesh-like cell layer, so crosstalk between cells can be prevented and resolution can be improved. This makes it possible to reduce assembly costs due to continuity of work.

〔Example〕

Preferred embodiments of the present invention will be described in more detail below with reference to the drawings.

FIG. 1 is an exploded perspective view of essential parts showing the configuration of an embodiment of a gas discharge panel to which the present invention is applied, and is located on the lower side of a pair of glass substrates 1.2 constituting the panel envelope. On the inner surface of one substrate 1, X electrodes 3 extending in the vertical direction are arranged, and on the inner surface of the upper substrate 3, Y electrodes 4 extending in the horizontal direction are arranged.
is provided. These X and Y electrodes are covered with a dielectric layer of low melting point glass (not shown) when the panel is configured as an AC drive type, but are left exposed in the case of a DC drive panel. .

A feature of this invention is that a mesh-like cell layer 5 is formed on the X electrode 3 of the lower glass substrate 1 either directly or via the aforementioned dielectric layer (not shown). The eye portions of the cell layer 5 correspond to the discharge cell portions defined by the opposing intersections of the X and Y electrodes, and each discharge cell portion is ultimately divided by the mesh-like cell layer 5. There is. And a pattern corresponding to one of the vertical and horizontal threads of this cell layer 5,
In the case of the figure, a striped gap layer 6 is formed overlapping the cell layer pattern 5Y corresponding to the weft. The thickness of the gap layer 6 is controlled so that the total thickness of the gap layer 6 and the cell layer 5Y corresponds to the discharge gap length with the opposing upper substrate 2, thereby defining the discharge gap.

In other words, by placing the separately prepared upper substrate 2 facing the lower substrate 1 on which the cell WJ5 and the gap layer 6 are laminated as described above, and airtightly sealing the periphery and filling the gas, the desired result can be obtained. gas discharge panels will be completed.

Next, FIG. 2 is a partially cutaway plan view showing an example of the configuration when this invention is applied to a surface discharge type gas discharge panel. A pair of display electrodes 11 is provided, and selection electrodes 13 are provided thereon in intersecting directions with an insulating layer 12 interposed therebetween. A display cell is formed between each pair of display electrodes, and a selection cell is formed at an intersection between one display electrode of each electrode pair adjacent to these display cells and a selection electrode above it. A set of an adjacent display cell and a selected cell corresponds to one pixel, and the discharge cell of each pixel is caused by a leakage electric field to a gas space defined by a cover glass substrate (not shown) above the electrode arrangement surface. This will result in discharge.

The configuration up to this point is a well-known configuration as an example of a surface discharge type gas discharge panel, for example, as disclosed in Japanese Patent Application Laid-open No. 81735/1983. However, in the present invention, a mesh-like cell layer 14 is formed on the selection electrode 13 of the substrate 10 on the electrode supporting side to partition each pixel, and a stripe-like cell layer 14 is further formed on the cell layer 14 in a direction crossing the selection electrode. A gap layer 15 is provided. After forming such a spacer structure, MgO is applied to cover the entire surface including the selection electrode.
A thin film surface layer 16 is formed of an insulating material such as. Thus, the gap layer 1 is formed on this electrode support substrate.
By installing a cover glass substrate (not shown) in contact with the top surface of the panel 5 and hermetically sealing the periphery, a panel structure with uniformly defined discharge gaps can be obtained.

In the above-mentioned surface discharge panel, one of the display electrode pairs is divided into groups of a predetermined number and connected in common, and G and the other electrode are commonly connected between the electrodes of the same rank in each group. Generally, a driving method is adopted in which a matrix selection is made to perform a full lighting operation for each line, and then selective erasing scanning is applied from the selected electrodes to erase unnecessary discharges. In this case, the gap layer formed in the direction parallel to the display electrode pair is useful for separating mutual influences between lines during full lighting operation and selection operation. Note that the mesh-like cell layer and the unidirectional gap layer overlapping thereon may be formed on the inner surface of a cover glass substrate (not shown). In this case, it is convenient to apply a phosphor to the eye portion of the cell layer corresponding to the pixel of each discharge cell, since there is no crosstalk when changing the display color of the discharge light.

〔Effect of the invention〕

As is clear from the above description, the present invention has a spacer function by laminating a mesh-like cell layer corresponding to pixels and a stripe-like gap layer on the inner surface of one of the substrates constituting the panel envelope. This is extremely advantageous in ensuring a uniform discharge gap with a simple assembly process.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of a main part showing the configuration of an embodiment of a gas discharge panel to which the present invention is applied, and FIG. 2 is a partial exploded view showing an example configuration of a surface discharge type gas discharge panel to which the invention is applied. FIG. In the figure, 1.2 and 10 are glass substrates, 3 is an X electrode, 4 is a Y electrode, 5 is a mesoche-like cell layer, 6 is a stripe-like gap layer, 11 is a display electrode pair, 12 is an insulating layer, 1
3 is a selection electrode, 14 is a cell layer, and 15 is a gap layer.

Claims (1)

[Claims] One of the pair of glass substrates (1
, 10) On the inner surface, a mesh-like cell layer (5,
14), and at the same time, a striped gap layer (6, 15) is formed overlapping one of the vertical and horizontal cell layer patterns of the mesh cell layer to define a gap with the other substrate (2). A gas discharge panel characterized by: