CN100593834C - Field emission display apparatus having flexible grids and manufacturing method thereof - Google Patents
Field emission display apparatus having flexible grids and manufacturing method thereof Download PDFInfo
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- CN100593834C CN100593834C CN200710107024A CN200710107024A CN100593834C CN 100593834 C CN100593834 C CN 100593834C CN 200710107024 A CN200710107024 A CN 200710107024A CN 200710107024 A CN200710107024 A CN 200710107024A CN 100593834 C CN100593834 C CN 100593834C
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- soft
- field emission
- emission display
- grid structure
- guard
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Abstract
Disclosed is a field emission display with a soft gate structure and a manufacturing method thereof. The field emission display mainly comprises a cathode plate, a gate structure and an anode plate; wherein the negative plate is provided with a cathode baseplate and support bodies are arranged on both sides of the cathode baseplate; grooves are arranged at the bottom parts of the external runningsurfaces of the support bodies; the gate structure is composed of a soft mesh enclosure and a plurality of fixing plates which are connected at two ends of the mesh enclosure; the fixing plates are wedged in the grooves and the mesh enclosure straddles on the support bodies. The anode plate is provided with an anode plate which is provided with an enclosing frame at the rim, and is correspondinglyconnected with the brim of the cathode baseplate; the enclosing frame is pressed on the fixing plates so as to enable the fixing plates to lie on the cathode baseplate and to enable the soft mesh enclosure to exert the strain.
Description
Technical field
The present invention relates to a kind of Field Emission Display, particularly a kind of Field Emission Display structure and manufacture method thereof with metal guard.
Background technology
Under the leading of new material and technology, the development of display has significant variation, from the thick and heavy crt display unit of tradition, arrive development in recent years flat-panel screens (Flat PanelDisplay) fast, except having light with thin advantage, the resolution of its image quality and brightness all more are better than traditional tv, and be widely used on the demonstration demand of different size, little of mobile phone screen, big to outdoor billboard, all can see the application of flat-panel screens.
Particularly a kind of field emission type flat display (FED), it is developed recently one of flat-panel screens kind fast, its characteristic is to have the effect of self-lighting and need not extra backlight, therefore compare with other flat-panel screens type, it not only has preferable brightness and broad visual angle, also have advantages such as low power consuming and reaction speed be fast, adopt simultaneously and develop rapidly nano material recently, thereby make this field emission type flat display more be tending towards ripe as structural application.
In the conventional art, a kind of field emission type display with three-stage structure comprises positive plate, minus plate and is positioned at grid structure between the yin, yang pole plate, wherein this grid structure provides current potential to be used for attracting the free electron of this minus plate release, provide current potential by this positive plate again, thereby clash into this positive plate and produce luminescent effect with the acceleration kinetic energy that free electron is provided.
Above-mentioned grid structure is provided with the guard shape usually, the characteristic of this guard is to be made of the metal material with conductive characteristic, and guard is provided with a plurality of holes and is used to make free electron to pass through, and the lead location that does not have hole forms electric field in this guard energising back, thus the free electron that makes this guard attract minus plate to discharge; Owing to utilize the made guard manufacturing process of metal or electric conducting material simple and easy, so ripe in recent years being used in the three-stage structure of this Field Emission Display.
Yet, because this net cover structure is made of the metal material with conductive characteristic usually, cause the electronics of failing to be deposited on the lead of metal guard easily by hole on this guard, and cause thermal source and make net cover structure thermal expansion distortion, make the hole on the guard move, thereby directly influenced the mobile route of free electron; In addition, the vibrations of the metal guard that is caused by the potential change of drive circuit have also caused the field effect skewness of this metal guard, and influence the contraposition accuracy of this electronics for hole on the guard; Therefore, how to provide a kind of stable net cover structure, and avoid above-mentioned by thermal expansion and shake caused defective simultaneously, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
At above-mentioned defective, the present invention mainly provides a kind of Field Emission Display and manufacture method thereof with soft grid structure, the structure of this display mainly comprises minus plate, grid structure and positive plate, wherein this minus plate has cathode base, be provided with a plurality of supporters in these cathode base both sides, be provided with groove at the bottom position of each supporter outer panel face.In addition, this grid structure is made of soft guard and a plurality of fixed heads of connecting these soft guard two ends, and this fixed head is fastened in the groove, and this soft guard is crossed on the supporter simultaneously.This positive plate is corresponding with minus plate, this positive plate has anode substrate, the anode substrate edge is provided with the encapsulation frame, and the corresponding edge that is connected cathode base, to encapsulate frame simultaneously is pressed on this fixed head, this fixed head is flattened on the cathode base, and makes this soft guard produce tension force.
Compared with prior art, of the present invention have the Field Emission Display of soft grid structure and a function that manufacture method has anti-dilatancy and anti-vibration thereof, by emitting structural on the scene inside supporting construction is set, thereby fixing soft guard as grid, and make this soft guard obtain flat support and have Horizontal Tension, thereby avoided inner thermal expansion effects and vibrations, kept the function of this soft guard as grid or convergence electrode.
Description of drawings
Fig. 1 is a structure cutaway view of the present invention;
Fig. 2 is a manufacture method flow chart of the present invention;
Fig. 3 is the cathode base and the net cover structure assembled sectional view of manufacture method of the present invention;
Fig. 4 is cathode base of the present invention and anode substrate textural association cutaway view;
Fig. 5 is a supporting body structure schematic diagram of the present invention;
Fig. 6 is the structural representation of another embodiment of supporter of the present invention.
In the accompanying drawings, the list of parts of each label representative is as follows:
Step S1-S5
Embodiment
Below with reference to description of drawings content of the present invention.
Fig. 1 is a structure cutaway view of the present invention.Field emission device structure of the present invention mainly comprises minus plate 1, grid structure 2 and positive plate 3, wherein minus plate 1 comprises cathode base 11, cathode base 11 is provided with a plurality of cathode electrode units 12, wherein cathode electrode unit 12 comprises cathode conductive layer 121 and emitter layer 122, and emitter layer 122 is used for being discharged electronics by electric field attracts.In addition, be respectively arranged with supporter 13 in the both sides of a plurality of cathode electrode units 12, as shown in Figure 5, supporter 13 is long plate shape in the present embodiment, and offers the groove 131 that caves inward respectively in the plate face bottom in each supporter 13 outside; In addition, the shape of supporter 13 also can be cylinder as shown in Figure 6 except as shown in Figure 5.
As shown in Figure 1, grid structure 2 is made up of soft guard 21 and a plurality of fixed head 22.As shown in Figure 3, wherein soft guard 21 is made of a kind of alloy material that contains iron nickel carbon.The coefficient of expansion of soft guard 21 is 8 * 10
-7～9 * 10
-7Between (1/ ℃), with the close person of coefficient of expansion value of glass material be best, thereby slow down that soft guard 21 is heated or because of expanding outwardly the situation that produces distortion.In addition, the thickness of guard 21 is less than or equal to 200 μ m, and a plurality of fixed heads 22 are arranged on the two ends of soft guard 21, and the two ends of soft guard 21 are connected on the plate face of fixed head 22 (as shown in Figure 3), and a plurality of fixed head 22 is used to be fastened on groove 131 inside of supporter 13.After each fixed head 22 is fastened on groove 131 inside, soft guard 21 just in time is crossed on the supporter 13 simultaneously, thereby make soft guard 21 just in time corresponding to the position of a plurality of cathode electrode units 12 of minus plate 1, by the suitably support of height of supporter 13, can play the attraction of electronics or the astriction of electron beam.In addition, on two plate faces of fixed head 22, be coated with one deck conductive material, as conducting resinl, thereby as the conductive path of soft guard 21.
As shown in Figure 1, positive plate 3 has anode substrate 31, the plate face of anode substrate 31 is provided with anode unit 32, corresponding to a plurality of cathode electrode units 12 on the minus plate 1, wherein anode unit 32 comprises anode electrode layer 321, anode electrode layer 321 is provided with fluorescence coating 322, in addition, the edge of anode substrate 31 is provided with encapsulation frame 4, and be connected on the cathode base 11, thereby as the vacuum space of minus plate 1 and positive plate 3 every supporting construction, thereby make electronics have enough spaces to move and quicken.In addition, when 11 formation of encapsulation frame 4 and cathode base are connected, encapsulation frame 4 just in time is pressed on each fixed head 22, so that being flattened on the cathode base 11, each fixed head 22 produces outside pulling force, make soft guard 21 produce tension force thus, thereby make soft guard 21 slow down thermal expansion that causes by electron beam and the vibrations that produce by driving voltage by this inner tensions.
Fig. 2 to Fig. 4 is respectively the block flow diagram explanation and the continuous textural association figure of manufacture method of the present invention.As shown in Figure 2, minus plate 1 (step S1) is provided, minus plate 1 has cathode base 11, as shown in Figure 3, cathode base 11 is provided with a plurality of cathode electrode units 12, two side positions at cathode electrode unit 12 have supporter 13 respectively, have groove 131 at the bottom position of the outer panel face of each supporter 13; Soft guard 21 (step S2) is provided, as shown in Figure 3, soft guard 21 and a plurality of fixed heads 22 composition grid structures 2 that are connected soft guard 21 two ends; Positive plate 3 (step S3) is provided again, and as shown in Figure 4, positive plate 3 has anode substrate 31, and anode substrate 31 is provided with anode unit 32, is provided with encapsulation frame 4 at the edge of anode substrate 31; Guard 21 is set in parallel in (step S4) on the minus plate 1, as shown in Figure 4, simultaneously each fixed head 22 is fastened in the flute 131; Positive plate 3 correspondences are bonded on minus plate 1 and the guard 21, thereby make guard 21 tighten (step S5), as shown in Figure 4, positive plate 3 utilizes encapsulation frame 4 correspondences that are arranged on substrate 31 edges to be connected the edge of cathode base 11, to encapsulate frame 4 simultaneously is pressed on the fixed head 22, fixed head 22 is flattened on the cathode base 11, makes soft guard 21 tighten and produce tension force simultaneously; The cutaway view that its assembling is finished as shown in Figure 1.
Above-mentioned execution mode is the preferred embodiments of the present invention, but can not limit practical range of the present invention with this, and the equivalence of doing according to claim of the present invention and description changes or modifies, and all should belong to patent covering scope of the present invention.
Claims (14)
1. manufacture method with Field Emission Display of soft grid structure comprises:
(a) provide minus plate;
(b) provide soft guard;
(c) provide positive plate;
(d) described soft guard is set in parallel on the described minus plate;
(e) described positive plate correspondence is pressed together on described minus plate and the soft guard, thereby described soft guard is tightened.
2. the manufacture method with Field Emission Display of soft grid structure as claimed in claim 1, wherein said soft guard is made of the alloy material that contains iron nickel carbon.
3. the manufacture method with Field Emission Display of soft grid structure as claimed in claim 1, the thickness of wherein said soft guard are less than or equal to 200 μ m.
4. the manufacture method with Field Emission Display of soft grid structure as claimed in claim 1, the coefficient of expansion of wherein said soft guard is 8 * 10
-7/ ℃～9 * 10
-7/ ℃ between.
5. Field Emission Display with soft grid structure comprises:
Minus plate, it comprises cathode base and is arranged on a plurality of cathode electrode units on the described cathode base;
A plurality of supporters are arranged on two side positions of described cathode base, offer groove at the bottom position of each described supporter outer panel face;
Grid structure, a plurality of fixed heads that comprise soft guard and be connected described soft guard two ends, and described fixed head is fastened in the described groove, and described soft guard is crossed on the described supporter simultaneously;
Positive plate, corresponding with described minus plate, described positive plate comprises anode substrate and is arranged on anode unit on the described anode substrate;
The encapsulation frame, correspondence is connected on the edge of described cathode base and described anode substrate, simultaneously described encapsulation frame is pressed on the described fixed head, and described fixed head is flattened on the cathode base, thereby makes described soft guard form tension force.
6. the Field Emission Display with soft grid structure as claimed in claim 5, wherein said soft guard is made of the alloy material that contains iron nickel carbon.
7. the Field Emission Display with soft grid structure as claimed in claim 5, the thickness of wherein said soft guard are less than or equal to 200 μ m.
8. the Field Emission Display with soft grid structure as claimed in claim 5, the coefficient of expansion of wherein said soft guard is 8 * 10
-7/ ℃～9 * 10
-7/ ℃ between.
9. the Field Emission Display with soft grid structure as claimed in claim 5, wherein said supporter is long plate shape.
10. the Field Emission Display with soft grid structure as claimed in claim 5, wherein said supporter is column.
11. the Field Emission Display with soft grid structure as claimed in claim 5, wherein said cathode electrode unit is made up of cathode conductive layer and emitter layer.
12. the Field Emission Display with soft grid structure as claimed in claim 5, wherein said anode unit is made up of anode conductive layer and fluorescence coating.
13. the Field Emission Display with soft grid structure as claimed in claim 5 wherein is coated with one deck conductive material, with the conductive path as described soft guard on described fixed head.
14. the Field Emission Display with soft grid structure as claimed in claim 13, wherein said conductive material are conducting resinl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710107024A CN100593834C (en) | 2007-05-17 | 2007-05-17 | Field emission display apparatus having flexible grids and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710107024A CN100593834C (en) | 2007-05-17 | 2007-05-17 | Field emission display apparatus having flexible grids and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101308746A CN101308746A (en) | 2008-11-19 |
| CN100593834C true CN100593834C (en) | 2010-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710107024A Expired - Fee Related CN100593834C (en) | 2007-05-17 | 2007-05-17 | Field emission display apparatus having flexible grids and manufacturing method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208319B (en) * | 2010-03-30 | 2013-01-09 | 郑州航空工业管理学院 | Novel field emitting display of encapsulation structure and manufacture method thereof |
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2007
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| CN101308746A (en) | 2008-11-19 |
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Granted publication date: 20100310 Termination date: 20120517 |