CN207052561U - Vacuum fluorescent display - Google Patents
Vacuum fluorescent display Download PDFInfo
- Publication number
- CN207052561U CN207052561U CN201720879988.2U CN201720879988U CN207052561U CN 207052561 U CN207052561 U CN 207052561U CN 201720879988 U CN201720879988 U CN 201720879988U CN 207052561 U CN207052561 U CN 207052561U
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- CN
- China
- Prior art keywords
- array frame
- filament
- grid
- vacuum
- fluorescent display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Abstract
The utility model discloses a kind of vacuum fluorescent display, including vacuum cavity, filament is provided with the vacuum cavity, grid, array frame is fixedly installed in the vacuum cavity, the grid is located at the interior inframe of the array frame, and it is made of one piece with array frame, the both sides of the array frame are provided with the filament support for protruding from array frame surface, the filament is arranged on the filament support, the utility model is advantageous to shorten the packaging technology flow of vacuum fluorescent display, compared to grid in the prior art, array frame, for the processing step that filament support individually installs one by one, manufacturing process process of the present utility model is shorter, the time of consuming is fewer.
Description
Technical field
A kind of fluorescent display device is the utility model is related to, more particularly to a kind of vacuum fluorescent display.
Background technology
Vacuum fluorescent display screen（VFD）It is the display device developed from radio tube, by the negative electrode of launching electronics
（Directly-heated type, it is referred to as filament）, the anode and glass lid that accelerate the control grid of electron stream, electrode and fluorescent material are stamped on glass substrate
Form.
At present, under state of the art, VFD structure is as follows：The insulative substrate that glass plate is formed is as composition vacuum
A part for gas-tight container, its upper surface form anode formed with plate conductor and luminescent coating, and then in luminescent coating
Top configures the grid with latticed opening portion, and using the combination of luminescent coating and grid as one group of numerical digit, and same
There are multiple numerical digits in one vacuum airtight container, drawn in the top of the grid and be provided with filament.
In use, vacuum tank is formed with glass lid and substrate, in vacuum tank inner cathode（Filament）Through power supply, temperature reaches
650 DEG C or so and radiate thermoelectron, while positive voltage is added on grid and corresponding anode pen section, forms accelerating field, sun
The fluorescent material of pole pen section lights after electron bombardment, if on the contrary, add negative voltage in grid or anode, can block trip
To the electronics of anode, make anode delustring.
In the utility model patent that Authorization Notice No. is CN200983351Y, a kind of large-scale vacuum fluorescence is disclosed
Display, including fluorescent pattern layer, grid, filament, are provided with support between filament and grid, prevent filament sagging and grid
It is in contact.
And for example in the Chinese invention patent that Authorization Notice No. is CN102254773B, a kind of driving IC is disclosed
Built-in fluorescent display tube, the distribution being made up of in anode grid substrate aluminium etc., in the predetermined region shape in a matrix form of this distribution
Into and at least possess the display part for the anode for having adhered to luminescent coating, the top of display part in a manner of covering display part it is mutual
Multiple grids are set substantially in parallel, and the multiple filament negative electrodes being erected above this grid, filament negative electrode is fixed in
The end of filament support, the electronics that filament negative electrode occurs incides luminescent coating via grid, to encourage the luminescent coating to make
It is lighted.
But there is certain lack in these above-mentioned vacuum fluorescent displays and existing most of vacuum fluorescent displays
Fall into：, it is necessary to which first grid is set and is covered on display part during manufacture, then it is installed on by filament support in vacuum tank,
Filament is welded on filament support again, whole process is needed by above-mentioned mounting process, and technological process is long, expends the time
Compare more.
Utility model content
The purpose of this utility model is to provide a kind of vacuum fluorescent display, manufacturing process process of the present utility model
Shorter, the time of consuming is fewer.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of vacuum fluorescence is shown
Device, including vacuum cavity, filament, grid are provided with the vacuum cavity, array frame is fixedly installed in the vacuum cavity,
The grid is located at the interior inframe of the array frame, and is made of one piece with array frame, and the both sides of the array frame are provided with
The filament support on array frame surface is protruded from, the filament is arranged on the filament support.
By using above-mentioned technical proposal, grid and filament support are arranged in array frame, array frame is attached to very
In cavity body, then filament is arranged on filament support, grid is shaped in array frame, and filament support is set
In in array frame, during optimizing the mounting process of vacuum fluorescent display, compared to grid in the prior art, array
For the processing step that frame, filament support individually install one by one, manufacturing process process of the present utility model compares
Short, the time of consuming is fewer.
Further, be provided with connector in the array frame, the both ends of the connector respectively with array frame inside casing face,
Grid is integrally formed.
By using above-mentioned technical proposal, grid is shaped on the inside casing of array frame by connector, so as to realize
The connection of grid and array frame, the setting of connector, array frame and grid is facilitated to realize connection.
Further, the connector includes integrally formed thin portion and width is more than the wide width part of thin portion, the wide cut
Portion is connected with array frame inside casing face, and the thin portion is connected with grid.
By using above-mentioned technical proposal, the width of thin portion is less than the width of wide width part, reduces spent by connector
Material, and thin portion is connected with grid, facilitates parting tool to separate connector and gate cutoff in thin portion, then by glass
Lid is encapsulated in insulative substrate, convenient so as to be provided to the encapsulation work of vacuum fluorescent display.
Further, the wide width part includes the setting section extended straight down from array frame inside casing surface and thin portion one
Body formed horizontal segment, the setting section and horizontal segment are made of one piece, and the height of the grid is less than array frame surface
Highly.
By using above-mentioned technical proposal, the bottom surface that section is less than array frame is erect, the height of grid is less than array frame surface
Height so that there is larger height spacing, so as to avoid filament from being arrived with gate contact, to filament between filament and grid
Work with grid provides stable guarantee.
Further, one end of the filament support is arranged in array frame, and the other end is connected with filament, and is connected with filament
The one end connect is upturned to protrude from the surface of array frame.
By using above-mentioned technical proposal, one end of filament support tilts, and filament and the end points are welded together, so that
Certain height spacing is formed between filament and array frame surface, so that between further expanding the height between filament and grid
Away from avoiding filament is sagging from touching grid, guarantee provided for the work of filament and grid.
Further, the surface of the array frame offers weep hole.
By using above-mentioned technical proposal, existing air extractor connects with the steam vent in insulative substrate, then will
Air in vacuum cavity is extracted out, the setting of weep hole, facilitates the air in grid superjacent air space to discharge downwards rapidly, from
And air in vacuum cavity is faster extracted, vacuum is formed in vacuum cavity.
In summary, the utility model has the advantages that：
1st, the utility model is advantageous to shorten the packaging technology flow of vacuum fluorescent display, compared to grid in the prior art
For the processing step that pole, array frame, filament support individually install one by one, manufacturing process mistake of the present utility model
Journey is shorter, and the time of consuming is fewer；
2nd, weep hole facilitates the air in grid superjacent air space to discharge, so that air is faster in vacuum cavity
Extract, make to form vacuum in vacuum cavity.
Brief description of the drawings
Fig. 1 is the sectional view of embodiment, for embodying vacuum fluorescent display internal structure layout；
Fig. 2 is the overall structure diagram one of array frame in embodiment；
Fig. 3 is the overall structure diagram two of array frame in embodiment, for embodying the tilting of filament support；
Fig. 4 is A portions enlarged diagram in Fig. 3, for embodying the structure of connector；
Fig. 5 is the overall structure diagram two of array frame in embodiment, and the height for embodying grid is integrally less than array
The apparent height of frame.
In figure, 1, insulative substrate；101st, vacuum cavity；2nd, glass lid；3rd, wiring layer；4th, insulating barrier；5th, anode conductive layer；
6th, phosphor powder layer；7th, through hole idea；8th, array frame；9th, filament support；10th, filament；11st, grid；12nd, wide width part；1201st, erect
Section；1202nd, horizontal segment；13rd, thin portion；14th, connector；15th, weep hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Embodiment：A kind of vacuum fluorescent display, as shown in figure 1, including insulative substrate 1, insulative substrate 1 uses glass
Glass substrate, glass lid 2 is covered with insulative substrate 1, the vacuum cavity of a sealing is formed between glass lid 2 and insulative substrate 1
101。
In vacuum cavity 101, the surface of insulative substrate 1 is disposed with wiring layer 3, insulating barrier 4, sun from the bottom to top
Pole conductive layer 5, phosphor powder layer 6.
Wiring layer 3 is the silver-colored line layer produced using silk screen print method on the surface of insulative substrate 1, and insulating barrier 4 is used
Make to keep the intermediate layer insulated between wiring layer 3 and top anode conductive layer 5, booster action is optical filtering, and anode conductive layer 5 is
Graphite electrode layer, its basis printed as phosphor powder layer 6, make the electric potential uniform of phosphor powder layer 6.
Insulating barrier 4 is provided with the through hole idea 7 between anode conductive layer 5 and wiring layer 3, for obtaining wiring layer 3
With the conducting of anode conductive layer 5.
As depicted in figs. 1 and 2, array frame 8 is fixedly installed in vacuum cavity 101, array frame 8 is shaped as frame-type, battle array
Integrally formed with the grid 11 of the inframe in array frame 8 on row frame 8, in the present embodiment, it is provided with the inside casing of array frame 8
Connector 14, width extension of the connector 14 along array frame 8, and its both ends the inside casing face with array frame 8, grid 11 respectively
It is made of one piece.
Connector 14 includes thin portion 13 and wide width part 12, one end of thin portion 13 and one end of wide width part 12 be integrally formed and
Into, and the width of wide width part 12 is more than the width of thin portion 13, one end of wide width part 12 is connected with the inside casing face of array frame 8, thin portion 13
One end be connected with the side of grid 11.
As shown in Figure 3 and Figure 4, wide width part 12 include extend straight down from the inside casing surface of array frame 8 setting section 1201,
Horizontal segment 1202 integrally formed with thin portion 13, the level of horizontal segment 1202 in the bottom surface of array frame 8, and with erect the one of section 1201 into
Type forms, and with reference to shown in Fig. 5, the height of grid 11 is less than the height on the surface of array frame 8.
The both sides of array frame 8 are provided with filament support 9, and one end of filament support 9 is fixed on array by the way of spot welding
On frame 8, the other end is upturned, and makes the overall upper surface for protruding from array frame 8 of filament support 9, and one end of the tilting and lamp
Silk 10 connects, and filament 10 is fixed on one end that filament support 9 tilts by the way of the spot welding.
As shown in figure 3, the weep hole 15 through the surface of array frame 8 is offered in array frame 8, in insulative substrate 1
Offer the steam vent through the upper and lower surface of insulative substrate 1（It is not shown）, steam vent connects with the inside of vacuum cavity 101, existing
Some air-extractors connect with steam vent, then take the air in vacuum cavity 101 away, are internally formed vacuum cavity 101
Vacuum, then steam vent is sealed again, weep hole 15 is for the air above array frame 8 by making air quickly from exhaust
Discharge in hole.
When fabricating the utility model, using silk screen print method, silver paste is printed in insulative substrate 1, so as to be formed
One wiring layer 3, insulating barrier 4 is then republished, there is the through hole through the upper and lower surface of insulating barrier 4 on insulating barrier 4, is then being incited somebody to action
Through hole idea 7 for turning on anode conductive layer 5 and wiring layer 3 is printed in through hole.
Graphite is printed on insulating barrier 4 again, graphite is formed an anode conductive layer 5 on the surface of insulating barrier 4, then by fluorescence
Powder is printed on anode conductive layer 5, forms a phosphor powder layer 6；Then array frame 8 is transplanted on substrate, grid 11 is positioned at glimmering
The surface of light bisque 6, by filament, 10 points are welded on filament support 9, and then glass lid 2 is encapsulated in insulative substrate 1, existing
Air extractor by the steam vent in insulative substrate 1 by vacuum cavity 101 air extract out so that vacuum cavity
Vacuum is formed in 101, then the steam vent in insulative substrate 1 is sealed, so as to complete encapsulation of the present utility model.
Claims (6)
1. a kind of vacuum fluorescent display, including vacuum cavity (101), be provided with the vacuum cavity (101) filament (10),
Grid (11), it is characterised in that：Array frame (8) is fixedly installed in the vacuum cavity (101), the grid (11) is located at institute
The interior inframe of array frame (8) is stated, and is made of one piece with array frame (8), the both sides of the array frame (8), which are provided with, to be protruded from
The filament support (9) on array frame (8) surface, the filament (10) are arranged on the filament support (9).
2. vacuum fluorescent display according to claim 1, it is characterised in that：Connection is provided with the array frame (8)
Body (14), the both ends of the connector (14) are integrally formed with array frame (8) inside casing face, grid (11) respectively.
3. vacuum fluorescent display according to claim 2, it is characterised in that：The connector (14) includes being integrally formed
Thin portion (13) and width be more than the wide width part (12) of thin portion (13), the wide width part (12) is connected with array frame (8) inside casing face,
The thin portion (13) is connected with grid (11).
4. vacuum fluorescent display according to claim 3, it is characterised in that：The wide width part (12) is included from array frame
(8) the setting section (1201) and thin portion (13) integrally formed horizontal segment (1202) that inside casing surface extends straight down, it is described perpendicular
Vertical section (1201) and horizontal segment (1202) are made of one piece, and the height of the grid (11) is less than the height on array frame (8) surface
Degree.
5. vacuum fluorescent display according to claim 1, it is characterised in that：One end of the filament support (9) is set
In in array frame (8), the other end is connected with filament (10), and is upturned with one end that filament (10) is connected to protrude from array
The surface of frame (8).
6. vacuum fluorescent display according to claim 1, it is characterised in that：The surface of the array frame (8) offers
Weep hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720879988.2U CN207052561U (en) | 2017-07-19 | 2017-07-19 | Vacuum fluorescent display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720879988.2U CN207052561U (en) | 2017-07-19 | 2017-07-19 | Vacuum fluorescent display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052561U true CN207052561U (en) | 2018-02-27 |
Family
ID=61497363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720879988.2U Expired - Fee Related CN207052561U (en) | 2017-07-19 | 2017-07-19 | Vacuum fluorescent display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066707A (en) * | 2021-03-22 | 2021-07-02 | 上海璞丰光电科技有限公司 | Vacuum fluorescent display screen integrated electrode and manufacturing method thereof |
-
2017
- 2017-07-19 CN CN201720879988.2U patent/CN207052561U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113066707A (en) * | 2021-03-22 | 2021-07-02 | 上海璞丰光电科技有限公司 | Vacuum fluorescent display screen integrated electrode and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20210719 |