JPS61277138A - Outer container for flat type display device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Industrial applications The present invention relates to an enclosure for a flat panel display device.

2. Description of the Related Art A conventional envelope for a flat panel display device is shown in FIG.
The structure was as shown in Figure 1. 10 and 11, the envelope 1 includes a front plate 3 on which a fluorescent surface 2 is formed, a back seal plate 4 formed of a metal plate with a thickness of 0.1 to o, sl+a, and an outer periphery. It is formed by a side wall 5 surrounding the. The side wall 5 and the side wall member 6 have a thickness of 0.1 to 0.5 a+g.
A sealing frame 7 formed from a metal plate having a thickness of * and a reinforcing frame 8 are formed by airtightly adhering them with, for example, frit glass. The front plate 3 and the side wall 5 are airtightly bonded with, for example, frit glass, and after the internal structure 9 is placed, the back seal plate 4 is placed, and the sealing portion 4a of the back seal plate 4 and the seal frame 7 are sealed. The interior of the envelope 1 is kept in a vacuum state by welding the portion 7a with a known welding method and exhausting the air through an exhaust pipe (not shown), and then sealing the exhaust pipe. The internal structure 9 is provided between a back plate 10, a plurality of electron beam control means 12 (only two are shown) stacked with insulating spacers 11 in between, and the back plate 10 and the electron beam control means 12. a linear hot cathode 13 (attachment means not shown);
It is formed by a plurality of support walls 16 formed by a first partition plate 14 and a second partition plate 15, and the support wall 16 is formed by a plurality of support walls 16 formed by a back plate 10 and an insulator spacer 11. The back seal plate 4 and the front plate 3 are supported against atmospheric pressure via the electron beam control means 12.

Problems to be Solved by the Invention In such a structure, when the vacuum is evacuated, the front plate 3, rear seal plate 4, and side wall 5 deform as shown in FIG. 12 due to atmospheric pressure. Finally, envelope 1
The problem was that it would be destroyed.

The present invention is intended to solve these problems, and aims to prevent the envelope from being destroyed by atmospheric pressure.

Means for Solving the Problem In order to solve this problem, the present invention provides a front plate, a back seal plate formed of a metal plate, and a seal plate that surrounds the outer periphery between the front plate and the back seal plate. and a side wall having a seal frame formed of a metal plate on the back seal plate side, a sealing portion where the back seal plate and the seal frame are airtightly coupled, and the back seal plate and the front plate. a back plate provided between the back seal plate and the back seal plate, and an I that is between the back plate and the front plate and supports the back seal plate and the front plate against atmospheric pressure via the back plate. ! In the enclosure for a flat display device having a support wall, a side wall regulating member having a width substantially equal to the distance between the back plate and the side wall is disposed between the back plate and the side wall. It is something.

Effect: With this configuration, by arranging the side wall regulating member having a width substantially equal to the distance between the back plate and the side wall between the back plate and the side wall, deformation of the side wall due to atmospheric pressure is prevented through the side wall regulating member. This can be prevented by being supported by the back plate, thereby preventing the envelope from being destroyed by atmospheric pressure.

Embodiments Hereinafter, embodiments of the present invention will be described based on the drawings.

First, the first embodiment will be described based on FIGS. 1 and 2. Reference numeral 21 denotes an envelope, which includes a front plate 23 on which a fluorescent surface 22 is formed, and a thickness of 0.1 to 0.5 mm. A back seal plate 24 formed of a metal plate and a side wall 2 surrounding the outer periphery.
5. The side wall 25 and the side wall member 26
~o, Seal frame 2 formed from a metal plate with a thickness of 5 mm
7 and a reinforcing frame body 28. The front plate 23 and the side wall 25 are airtightly bonded with, for example, frit glass.
After arranging the internal structure 29 and arranging the side wall regulating member 30 between the internal structure 29 and the side wall 25, the back seal plate 2
4, the sealed portion 24a of the back seal plate 24 and the sealed portion 27a of the seal frame 27 are welded using a known welding method, and after exhausting from an exhaust pipe (not shown), the exhaust pipe is sealed. As a result, the inside of the envelope 21 is maintained in a vacuum state. The internal structure 29 includes a back plate 31 and a plurality of electron beam control means 33 stacked with insulating spacers 32 interposed therebetween.
(only two are shown), back plate 31 and electron beam control means 3
3 and a plurality of support walls 37 formed by a first partition plate 35 and a second partition plate 36. The support wall 37 supports the back seal plate 24 and the front plate 23 against atmospheric pressure via a plurality of stacked electron beam control means 33 with the back plate 31 and insulating spacer 32 in between.

FIG. 2 shows the side wall regulating member 30. Side wall regulating member 3
0 has a regulating portion 38 having a width L2 substantially equal to the distance L1 between the side wall 25 and the back plate 31, and a protrusion 39 and a protrusion 40 to be disposed between the side wall 25 and the back plate 31. Only one of the projections 39 and 40 may be formed. When the envelope 21 is held in a vacuum state, the envelope 21
Atmospheric pressure acts on the whole, the front plate 23, the back seal plate 24
Although the side wall 25 tries to deform so as to be drawn into the envelope 21, the regulating portion 38 of the side wall regulating member 30
By arranging this between the side wall 25 and the back plate 31, deformation of the side wall 25 can be prevented, and destruction of the envelope 21 due to atmospheric pressure can be prevented. Although the side wall regulating member 30 shown in FIG. 2 has a regulating portion 38 on the lower surface, the regulating portion 38 may be formed by bending as shown in FIG.
The shape is not limited to those shown in FIGS. 2 and 3, but any shape may be used as long as the desired effect can be obtained.

Other separate embodiments of the side wall regulating member 30 are shown in FIGS. 4 to 9.

In each of the embodiments shown in FIGS. 4(A)(B) to 9(A>(B)), the side wall regulating member 30 consists of a first regulating member 30a and a second regulating member 30b. Regulation member 30a
has a regulating portion 30c with a width L3 smaller than the spacing L1 between the side wall 25 and the back plate 31 in FIG. 1, and the second regulating member 30b similarly has a regulating portion 30d with a width L4 smaller than the spacing L1. . The first regulating member 30d and the second regulating member 30b are arranged between the side wall 25 and the back plate 31,
When the regulating member 30a and the second regulating member 30b are moved in opposite directions, and the regulating portion 30c and the regulating portion 30d abut against the side wall 25 and the back plate 31, respectively, that is, the regulating portion 300 and the regulating portion 30d When the formed dimension L5 becomes substantially equal to the interval L1, the first regulating member 30a and the second regulating member 30 are welded together by a known welding method such as spot welding.
b and fixed. By providing the side wall regulating member 30 having a dimension adjustment function in this way, it is possible to easily prevent the side wall 25 from deforming due to atmospheric pressure, and to prevent the envelope 21 from being destroyed due to atmospheric pressure. The side wall regulating member 30 is shown in FIG.
The shape is not limited to the shape shown in FIG. 9, but any shape may be used as long as the desired effect can be obtained.

Effects of the Invention As described above, according to the present invention, by arranging the side wall regulating member between the side wall and the back plate, deformation of the side wall due to atmospheric pressure is prevented, and destruction of the envelope due to atmospheric pressure is prevented. Not only this, but also the weight of the flat panel display device can be reduced by reducing the thickness of the front plate and side walls.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of an envelope for a flat panel display according to a first embodiment of the present invention, FIG. 2 is a perspective view of a side wall regulating member in the same embodiment, and FIG. 3 is another embodiment of the present invention. Perspective views of the side wall regulating member in FIGS. 4(A)(8) to 9(A)(B)
10 are perspective views of side wall regulating members in other embodiments of the present invention, (A) is an exploded perspective view, (B) is an assembled perspective view, and FIG. 10 is an external appearance of a conventional envelope for a flat panel display device. figure,
Figure 11 is a cross-sectional view of the flat panel display device enclosure;
The figure is a sectional view showing deformation of the flat panel display device envelope due to atmospheric pressure. 21...Envelope, 23...Front plate, 24...Back seal plate, 24a...Sealing portion, 25...Side wall, 26
...Side wall member, 27...Seal frame, 27a...
Sealing part, 30... Side wall regulating member, 31... Back plate,
37...Supporting wall agent Yoshihiro Mori 1 Figure 2 Figure 3 Figure 4 Figure 6 Figure 3 Figure V Figure 1/Figure J 7

Claims (1)

[Scope of Claims] 1. A front plate, a back seal plate formed of a metal plate, and a metal plate located between the front plate and the back seal plate, surrounding the outer periphery, and formed of a metal plate on the side of the back seal plate. a side wall having a seal frame body; a sealing portion in which the back seal plate and the seal frame are airtightly coupled; and a back wall provided on the back seal plate between the back seal plate and the front plate; A flat panel display device comprising a face plate and a plurality of support walls that are located between the back plate and the front plate and support the back seal plate and the front plate against atmospheric pressure via the back plate. An enclosure for a flat panel display device, wherein a side wall regulating member having a width substantially equal to the distance between the back plate and the side wall is disposed between the back plate and the side wall. 2. The enclosure for a flat panel display device according to claim 1, wherein the side wall regulating member has a dimension adjustment function.