CN1323416C - Sealing process of plate glass vacuum display device - Google Patents
Sealing process of plate glass vacuum display device Download PDFInfo
- Publication number
- CN1323416C CN1323416C CNB031108369A CN03110836A CN1323416C CN 1323416 C CN1323416 C CN 1323416C CN B031108369 A CNB031108369 A CN B031108369A CN 03110836 A CN03110836 A CN 03110836A CN 1323416 C CN1323416 C CN 1323416C
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- China
- Prior art keywords
- display device
- low
- vacuum
- plate glass
- glass display
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- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Abstract
The present invention relates to an improvement of the sealing technologic technology of vacuum display devices. The present invention is characterized in that the proper position of a cathode body of a flat glass display device has a tapered hole, and the surface of the tapered hole is metallized and coated with low-melting point metal; the cathode material of the flat glass display device is coated, and the flat glass display device is sealed; a proper quantity of low-melting point metal is placed in the tapered hole 5, and the flat glass display device having the low-melting point metal tapered hole is put in a vacuum chamber which is evacuated; after the flat glass display device having the low-melting point metal tapered hole is energized and heated, the temperature of the flat glass display device having the low-melting point metal tapered hole is reduced so that the low-melting point metal is solidified in the tapered hole, the vacuum chamber stops working and is inflated, and thus, the sealing work of the flat glass display device is completed. By the present invention, the problem that the vacuum extraction opening in the background art has a segment of projections is solved, the unnecessary dimension of a vacuum device is reduced, the dimension of the vacuum extraction opening and a flat plate vacuum device housing is made to be basically accordant, and an ultrathin flat plate vacuum device having the advantages of good tightness and little space occupation is produced.
Description
Technical field: the invention belongs to the vacuum display device technology, particularly relate to improvement to vacuum display device sealing process technology.
Background technology: existing glass evacuated sealing tech is will be in some parts of the glass container spare of vacuum, stamp the aperture of appropriate size, use external diameter identical again with the aperture, the identical slender glass tube of the coefficient of expansion and glass container spare carry out that sintering is connected or with the low-melting glass powder sintering of same expansion coefficient, vacuumize then, after reaching vacuum values, again the slender glass tube scorification is sealed, the glass evacuated device of Zhi Zuoing like this, the part that one section projection will be arranged at the bleeding point place of vacuum, the part of this projection makes vacuum device increase unnecessary size, therefore, can not produce extra-thin planar vacuum device.
Summary of the invention: in order to solve the projection at background technology vacuum pumping opening place, the feasible problem that can not produce the more suitably extra-thin planar vacuum device of size, for this reason, the purpose of this aspect will provide a kind of and can make the surface of vacuum pumping opening and the method for packing of planar vacuum device outer case size basically identical.
Sealing process method step of the present invention is as follows:
(1), the appropriate location on plate glass display device negative electrode body prepares bellmouth 5,
(2), bellmouth 5 usefulness Vacuum Coating methods are made its surface metalation,
(3), the metallized bellmouth 5 in surface is coated low-melting-point metal,
(4), then coat the cathode material of plate glass display device and the plate glass display device sealed box,
(5), in the bellmouth 5 of surface metalation, place an amount of low-melting-point metal,
(6), the plate glass display device that will have a low-melting-point metal bellmouth 5 is put in the vacuum chamber and vacuumize, its vacuum degree is 10
-3Pa-10
-5Pa,
(7), then to having the plate glass display device energising heating of low-melting-point metal bellmouth 5, the heating-up temperature scope is at 120 ℃-270 ℃, heating time scope at 15-30 minute,
(8), warmed-up plate glass display device in the above-mentioned steps (7) is lowered the temperature, temperature fall time was at 40-60 minute, low-melting-point metal is freezed solidly in the bellmouth 5, vacuum chamber quits work then, again vacuum chamber is inflated, take out the plate glass display device, then finished sealing of flat-panel display device.
Of the present invention having a few: be to adopt, make vacuum pumping opening and dull and stereotyped device outer case size basically identical to low-melting-point metal heating and fusing in the bellmouth.Therefore, the utility model has solved the problem that there is one section projection at background technology vacuum pumping opening place, has reduced the unnecessary size of vacuum device, produces to have planar vacuum device ultra-thin and that good seal performance takes up room little.
Description of drawings:
Fig. 1 is the cutaway view of plate glass display device
Embodiment:
Embodiments of the invention as shown in Figure 1, flat-panel display device comprises: plate glass 1, plate glass 1 ', electrode 2, electrode 2 ', dottle pin 3, low melting point glass layer 4, bellmouth 5, metal layer 6, getter 7.
Embodiment 1:
(1), again plate glass 1 ' on do not have electrode 2 ' the position prepare bellmouth 5,
(2), bellmouth 5 usefulness Vacuum Coating methods are made its surface metalation,
(3), to the metallized bellmouth in surface 5 molten plating skim low-melting-point metals, low-melting-point metal can adopt phosphide material,
(4), then coat the cathode material of plate glass display device and the plate glass display device sealed box,
(5), pile phosphide material for 5 li, at bellmouth to the above-mentioned steps surface metalation
(6), the flat-panel display device that will have phosphide material bellmouth 5 is put into vacuum chamber and is vacuumized its vacuum degree selection 10
-3Pa.
(7), then the plate glass display device that has phosphide material bellmouth 5 is switched on and heat, heating-up temperature is 120 ℃, and warm-up time is 15 minutes,
(8), above-mentioned steps (7) is lowered the temperature, temperature fall time is 40 minutes, and phosphide material is freezed solidly in the bellmouth 5, vacuum chamber quits work then, again vacuum chamber is inflated, taken out the plate glass display device, then finished sealing of plate glass display device.
Embodiment 2: step (1), (2), (3), (4), (5) are identical with embodiment 1,
(6), the plate glass display device that will have a phosphide material bellmouth 5 puts into vacuum chamber and vacuumizes, its vacuum degree is 10
-5Pa, low-melting-point metal can adopt indium,
(7), then the plate glass display device that has phosphide material bellmouth 5 is switched on and heat, heating-up temperature is 150 ℃, and warm-up time is 18 minutes,
(8), above-mentioned steps (7) is lowered the temperature, temperature fall time is 60 minutes, and phosphide material is freezed solidly in the bellmouth 5, vacuum chamber quits work then, again vacuum chamber is inflated, taken out the plate glass display device, then finished sealing of plate glass display device.
Embodiment 3: step (1), (2), (3), (4), (5) are identical with embodiment 1,
(6), the plate glass display device that will have a low-melting-point metal bellmouth 5 puts into vacuum chamber and vacuumizes, its vacuum degree is 10
-4Pa, low-melting-point metal can adopt tin material,
(7), then the plate glass display device that has tin material bellmouth 5 is switched on and heat, heating-up temperature is 270 ℃, and warm-up time is 30 minutes,
(8), above-mentioned steps (7) is lowered the temperature, temperature fall time is 40 minutes, and tin material is freezed solidly in the bellmouth 5, vacuum chamber quits work then, again vacuum chamber is inflated, taken out the plate glass display device, then finished sealing of plate glass display device.
Claims (1)
1, a kind of sealing process method of plate glass vacuum display device is characterized in that its processing step is as follows:
(1), the appropriate location on the negative electrode body of flat-panel display device prepares bellmouth (5),
(2), bellmouth (5) is made its surface metalation with Vacuum Coating method,
(3), the metallized bellmouth in surface (5) is coated low-melting-point metal,
(4), then coat the cathode material of plate glass display device and the plate glass display device sealed box,
(5), place an amount of low-melting-point metal, at the bellmouth (5) of surface metalation
(6), the flat-panel display device that will have a low-melting-point metal bellmouth (5) puts into vacuum chamber and vacuumizes, its vacuum degree is 10
-3Pa-10
-5Pa,
(7), then to having the plate glass display device energising heating of low-melting-point metal bellmouth (5), heating-up temperature is at 120 ℃-270 ℃, heating time scope at 15-30 minute,
(8), warmed-up plate glass display device in the above-mentioned steps (7) is lowered the temperature, temperature fall time was at 40-60 minute, make low-melting metal freezing in bellmouth (5), vacuum chamber quits work then, again vacuum chamber is inflated, take out the plate glass display device, then finished sealing of plate glass display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031108369A CN1323416C (en) | 2003-01-08 | 2003-01-08 | Sealing process of plate glass vacuum display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031108369A CN1323416C (en) | 2003-01-08 | 2003-01-08 | Sealing process of plate glass vacuum display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1516219A CN1516219A (en) | 2004-07-28 |
| CN1323416C true CN1323416C (en) | 2007-06-27 |
Family
ID=34239217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031108369A Expired - Fee Related CN1323416C (en) | 2003-01-08 | 2003-01-08 | Sealing process of plate glass vacuum display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1323416C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517165A (en) * | 2021-07-16 | 2021-10-19 | 葛伟 | Sealing equipment of vacuum display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3914000A (en) * | 1973-04-16 | 1975-10-21 | Ibm | Method of making tubeless gas panel |
| JPH10223142A (en) * | 1997-02-06 | 1998-08-21 | Toppan Printing Co Ltd | Field emission type display and manufacture thereof |
| JPH10326572A (en) * | 1997-05-27 | 1998-12-08 | Chugai Ro Co Ltd | Manufacture of plasma display panel |
| US6084344A (en) * | 1996-12-18 | 2000-07-04 | Futaba Denshi Kogyo K.K. | Reduced thickness vacuum container with getter |
| CN1260581A (en) * | 2000-02-25 | 2000-07-19 | 清华大学 | Three-glass plate encapsulated structure for vacuum electron emitting flat-plate displaying device |
| JP2000208051A (en) * | 1999-01-19 | 2000-07-28 | Canon Inc | Sealing method, sealed container, image display device and vacuum exhaust device |
-
2003
- 2003-01-08 CN CNB031108369A patent/CN1323416C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3914000A (en) * | 1973-04-16 | 1975-10-21 | Ibm | Method of making tubeless gas panel |
| US6084344A (en) * | 1996-12-18 | 2000-07-04 | Futaba Denshi Kogyo K.K. | Reduced thickness vacuum container with getter |
| JPH10223142A (en) * | 1997-02-06 | 1998-08-21 | Toppan Printing Co Ltd | Field emission type display and manufacture thereof |
| JPH10326572A (en) * | 1997-05-27 | 1998-12-08 | Chugai Ro Co Ltd | Manufacture of plasma display panel |
| JP2000208051A (en) * | 1999-01-19 | 2000-07-28 | Canon Inc | Sealing method, sealed container, image display device and vacuum exhaust device |
| CN1260581A (en) * | 2000-02-25 | 2000-07-19 | 清华大学 | Three-glass plate encapsulated structure for vacuum electron emitting flat-plate displaying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1516219A (en) | 2004-07-28 |
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| C14 | Grant of patent or utility model | ||
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |