CN105304435B - Plasma display panel back plate - Google Patents
Plasma display panel back plate Download PDFInfo
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- CN105304435B CN105304435B CN201510697412.XA CN201510697412A CN105304435B CN 105304435 B CN105304435 B CN 105304435B CN 201510697412 A CN201510697412 A CN 201510697412A CN 105304435 B CN105304435 B CN 105304435B
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Abstract
The invention discloses a kind of plasma display panel back plate, including：Glass substrate box, it is internally provided with and supporting plate；In the upper surface of supporting plate, multiple electrodes are set；The first insulating barrier is pasted in the upper surface of supporting plate；The second insulating barrier is pasted on the upper surface of multiple electrodes；Composite insulation layer is pasted in the upper surface of glass substrate box, composite insulation layer includes the 3rd insulating barrier, the 4th insulating barrier and gas insulating barrier, and the 3rd insulating barrier, gas-insulated layer and the 4th insulating barrier are pasted in the upper surface of glass substrate box successively；One layer of barrier rib layer is pasted in the upper surface of the 4th insulating barrier, one layer of phosphor layer is coated with barrier rib layer；The lower surface of supporting plate is adhesive with air bag, and air bag is connected with aerating device；Heat sink includes cooling block, temperature sensor and cryogenic gas generating means.Intelligent heat sink of the invention, can radiate, it is ensured that the operating efficiency of electricity original paper to back plate, meanwhile, the present invention effectively raises the optical property of the back plate of PDP.
Description
Technical field
The present invention relates to a kind of plasma display panel back plate.
Background technology
Plasma display panel is put with being formed between glass substrate after front glass substrate box and rear glass substrate and they
The display device in electric space, therefore plasma discharge is produced in discharge space, so as to cause the phosphor in discharge space to swash
Hair launches light extraction, thus display screen.Current plasma display panel is due to some problems of rear glass substrate, its optical property
It is not good, while current back plate thermal diffusivity is bad, its strong influence using effect of PDP.
The content of the invention
The present invention has designed and developed a kind of plasma display panel back plate.
The present invention provide technical scheme be：
A kind of plasma display panel back plate, including：
Glass substrate box, it is the cuboid box body encircled a city by six pieces of glass substrates, the upper surface of the glass substrate box
Multiple through holes are offered, the support parallel with the upper surface of the glass substrate box is internally provided with the glass substrate box
Plate；
In the upper surface of the supporting plate, multiple electrodes are set；
The first insulating barrier is pasted in the upper surface of the supporting plate；
The second insulating barrier is pasted on the upper surface of the multiple electrode；
Paste composite insulation layer in the upper surface of the glass substrate box, the composite insulation layer include the 3rd insulating barrier,
4th insulating barrier and gas insulating barrier, offer multiple grooves, the opening of each groove on the lower surface of the 3rd insulating barrier
It is relative with a through hole, set multiple raised on the upper surface of the 4th insulating barrier, the air insulating layer has including middle part
The glass substrate and argon gas of cavity, the argon gas are filled in the cavity of the glass substrate of the central cavity, and the described 3rd is exhausted
Edge layer, gas-insulated layer and the 4th insulating barrier are pasted in the upper surface of the glass substrate box successively；
One layer of barrier rib layer is pasted in the upper surface of the 4th insulating barrier, one layer of phosphorescence is coated with the barrier rib layer
Body layer；
The lower surface of the supporting plate is adhesive with air bag, and the air bag is connected with an aerating device, the aerating device inflation
To the gas in the air bag or the extraction air bag, when the aerating device is to the airbag aeration, the air bag jack-up
The supporting plate, each electrode is passed from a through hole, into a groove, in the aerating device extracts the air bag out
During gas, the supporting plate falls, and the multiple electrode is returned in the glass substrate box；
The lower surface of the glass substrate box is provided with heat sink, the heat sink includes that cooling block, temperature are passed
Sensor and cryogenic gas generating means, the cooling block are the box body being made from a material that be thermally conductive, and facility has in the cooling block
Air inlet and gas outlet, gas valve is provided with the gas outlet, and the detection cooling is internally provided with the cooling block
The gas pressure sensor of block internal gas pressure, the temperature sensor is arranged in the glass substrate box, and detection is described
Temperature inside glass substrate box, the temperature sensor is connected with the cryogenic gas generating means, the pressure sensor
It is connected with the gas valve；
When temperature sensor detection to temperature value is more than or equal to 40 DEG C, the temperature sensor is opened described low
Warm gas generating unit, the cryogenic gas generating means is filled with cryogenic gas soon to the cooling, when the temperature sensor
That detects is less than 40 DEG C to temperature value, and the temperature sensor closes the cryogenic gas generating means；
Atmospheric pressure value inside cooling block described in the pressure sensor real-time monitoring, when the pressure sensor is detected
When atmospheric pressure value is more than or equal to 1.2 atmospheric pressure, the pressure sensor opens the gas valve, the gas in the cooling block
Body is discharged from the gas outlet；When the atmospheric pressure value that the pressure sensor is detected is less than 1.2 atmospheric pressure, the pressure is passed
Sensor closes the gas valve；
Wherein, component of first insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 28 parts of Bi2O3、
10 parts of ZnO, 5 parts of SiO2, 3 parts of B2O3, 7 parts of Al2O3, 0.6 part of Na2O, 0.7 part of K2O, 1 part of BaO, 1.6 parts of MgO and 0.9 part of SrO；
Component of second insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 9 parts of PbO, 3 parts of ZnO, 9
Part SiO2, 4 parts of B2O3, 6 parts of Al2O3, 2 parts of Li2O, 0.1 part of K2O, 1.3 parts of BaO, 1.1 parts of CaO, 0.1 part of MgO and 0.6 part of SrO：
Component of 3rd insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 30 parts of Bi2O3, 17 parts
ZnO, 6 parts of SiO2, 3 parts of B2O3, 12 parts of Al2O3, 0.6 part of Na2O, 0.5 part of Li2O, 0.5 part of K2O, 1 part of BaO, 0.3 part of CaO, 1.3 parts
MgO and 1.1 part of SrO；
Component of 4th insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 38 parts of Bi2O3, 13 parts of ZnO, 5
Part SiO2, 1 part of B2O3, 10 parts of Al2O3, 0.6 part of Na2O, 0.7 part of Li2O, 0.9 part of K2O, 1.3 parts of BaO, 0.7 part of CaO, 1.5 parts of MgO
With 1.0 parts of SrO
Component of the barrier rib layer comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 3 parts of hydrophilic polypropylene acyls
Amine, 0.1 part of dispersant, 0.2 part, 4 parts ZnO of plasticizer, 4 parts of SiO2, 5 parts of B2O3, 17 parts of Al2O3, 1 part of Na2O, 1.8 parts of Li2O、
1.7 parts of K2O, 0.7 part of BaO, 0.8 part of CaO, 0.6 part of MgO and 0.9 part of SrO.
Preferably, in the described back plate for plasma display panel, also including thermal insulation layer, the following table of the supporting plate
Face is adhesive with the thermal insulation layer and the air bag successively, and the thermal insulation layer is aerogel blanket, and the insulation thickness is 0.3mm.
Preferably, in the described back plate for plasma display panel, the thickness of first insulating barrier is 15 μm.
Preferably, in the described back plate for plasma display panel, the thickness of second insulating barrier is 10 μm.
Preferably, in the described back plate for plasma display panel, the thickness of the 3rd insulating barrier is 10 μm.
Preferably, in the described back plate for plasma display panel, the thickness of the 4th insulating barrier is 10 μm.
Preferably, in the described back plate for plasma display panel, the thickness of the phosphor layer is 55 μm.
For the defect that the back plate of current PDP is present, the present invention devises a kind of back plate for plasma display panel.
Firstth, the present invention greatly improves the effect of insulation by four layers of different insulating barrier and an air insulating layer；Secondth,
The present invention replaces existing simple glass substrate with the box body being made up of glass substrate, while setting air bag so that make
Used time can eject electrode, and electrode is recovered in box body when inapplicable, effectively serve the protection to electrode；4th,
The present invention is provided with the heat sink of intelligence, serves the heat sinking function good to back plate, it is ensured that the operating efficiency of electricity original paper；
5th, the present invention increased projection in the upper surface of the 4th insulating barrier, increased the contact surface of barrier rib layer and the 4th insulating barrier
Product, increased the fastness of the bonding between the 4th insulating barrier and barrier rib layer；4th, the present invention effectively raises PDP's
The optical property of back plate, as can be seen from Table I, after the properties of the back plate of the PDP of present invention design are substantially better than commonly
Plate.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of state of the heretofore described air bag full of gas.
Fig. 3 be in heretofore described air bag without gas when structural representation
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in figure 1, the present invention provides a kind of plasma display panel back plate, including：
The cuboid box body that glass substrate box 1 is encircled a city by six pieces of glass substrates, the upper surface of glass substrate box 1 offers many
Individual through hole, supporting plate 11 is internally provided with glass substrate box 1, and supporting plate 11 is parallel with the upper surface of glass substrate box 1；In supporting plate 11
Upper surface set multiple electrodes 5,5 μ m thicks of each electrode, resistance be 4.0 × 10-6Ω；Pasted in the upper surface of supporting plate 11
First insulating barrier 19, the thickness of the first insulating barrier 19 is 15 μm；The second insulating barrier 3 is pasted on the upper surface of multiple electrodes 5, the
The thickness of two insulating barriers 3 is 10 μm；
Composite insulation layer is pasted in the upper surface of glass substrate box 1, composite insulation layer includes that the 3rd insulating barrier the 2, the 4th is exhausted
Edge layer 20 and gas insulating barrier, multiple grooves are offered on the lower surface of the 3rd insulating barrier 2, and the opening of each groove leads to one
Hole is relative, sets multiple raised on the upper surface of the 4th insulating barrier 20, and air insulating layer has the glass substrate 4 of cavity including middle part
And argon gas, argon gas is filled in the cavity 12 of the glass substrate 4 of central cavity, the 3rd insulating barrier 2, gas-insulated layer and the 4th exhausted
Edge layer 20 is pasted in the upper surface of glass substrate box 1 successively, and the thickness of the 3rd insulating barrier 2 is 10 μm, the thickness of the 4th insulating barrier 20
Spend is 10 μm；One layer of barrier rib layer 8 is pasted in the upper surface of the 4th insulating barrier 20, one layer of phosphor is coated with barrier rib layer 8
Layer 9, the thickness of phosphor layer is 55 μm；
The lower surface of supporting plate is adhesive with thermal insulation layer 6 and air bag 7 successively, and air bag 7 is connected with aerating device 10, and aerating device fills
To the gas in air bag or extraction air bag, thermal insulation layer 6 is aerogel blanket to gas, and insulation thickness is 0.3mm；
The lower surface of glass substrate box 1 is provided with heat sink, heat sink is used to lower the temperature glass substrate box 1, drops
Warm device includes cooling block 13, temperature sensor 14 and cryogenic gas generating means 18, and cooling block 13 is to be made from a material that be thermally conductive
Box body, facility has air inlet and gas outlet 15 in cooling block 13, gas valve 16 is provided with gas outlet 15, in cooling block
13 pressure sensors 17 for being internally provided with detection cooling block internal gas pressure, temperature sensor 14 is arranged on glass substrate box
In 1, the temperature inside detection glass substrate box 1, temperature sensor 14 is connected with cryogenic gas generating means 18, pressure sensor
17 are connected with gas valve 16；
Component of first insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 28 parts of Bi2O3, 10 parts of ZnO, 5
Part SiO2, 3 parts of B2O3, 7 parts of Al2O3, 0.6 part of Na2O, 0.7 part of K2O, 1 part of BaO, 1.6 parts of MgO and 0.9 part of SrO；
Component of second insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 9 parts of PbO, 3 parts of ZnO, 9 parts
SiO2, 4 parts of B2O3, 6 parts of Al2O3, 2 parts of Li2O, 0.1 part of K2O, 1.3 parts of BaO, 1.1 parts of CaO, 0.1 part of MgO and 0.6 part of SrO：
Component of 3rd insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 30 parts of Bi2O3, 17 parts of ZnO, 6
Part SiO2, 3 parts of B2O3, 12 parts of Al2O3, 0.6 part of Na2O, 0.5 part of Li2O, 0.5 part of K2O, 1 part of BaO, 0.3 part of CaO, 1.3 parts of MgO and
1.1 parts of SrO；
Component of 4th insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 38 parts of Bi2O3, 13 parts of ZnO, 5
Part SiO2, 1 part of B2O3, 10 parts of Al2O3, 0.6 part of Na2O, 0.7 part of Li2O, 0.9 part of K2O, 1.3 parts of BaO, 0.7 part of CaO, 1.5 parts of MgO
With 1.0 parts of SrO
Component of the barrier rib layer comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 3 parts of hydrophilic polypropylene acid amides,
0.1 part of dispersant, 0.2 part, 4 parts ZnO of plasticizer, 4 parts of SiO2, 5 parts of B2O3, 17 parts of Al2O3, 1 part of Na2O, 1.8 parts of Li2O、1.7
Part K2O, 0.7 part of BaO, 0.8 part of CaO, 0.6 part of MgO and 0.9 part of SrO.
The course of work：
When operating, opening temperature sensor and pressure sensor.
When temperature sensor detection to the temperature value in glass substrate box is more than or equal to 40 DEG C, temperature sensor is opened
Cryogenic gas generating means, cryogenic gas generating means is filled with cryogenic gas soon to cooling, because cooling block is by Heat Conduction Material
(aluminium, stainless steel etc.) is made, it carries out heat exchange with glass substrate box, so that the temperature of glass substrate box is reduced, when temperature is passed
What sensor was detected is less than 40 DEG C to the temperature value in base plate glass box, and temperature sensor closes cryogenic gas generating means；
Atmospheric pressure value inside pressure sensor real-time monitoring cooling block, the atmospheric pressure value detected when pressure sensor be more than or
During equal to 1.2 atmospheric pressure, pressure sensor opens gas valve, and the gas in cooling block is discharged from gas outlet；When pressure is passed
When the atmospheric pressure value that sensor is detected is less than 1.2 atmospheric pressure, pressure sensor closes the gas valve, prevents inside cooling block
, there is safety problem in hypertonia；
When operating, aerating device aerification function is started, aerating device is to airbag aeration, air bag jack-up supporting plate, each electricity
Pole passes from a through hole, into a groove, as shown in Fig. 2 when resting, starting aerating device inflation pumping work(
Can, aerating device extracts the gas in air bag out, and air bag retraction, supporting plate falls, and electrode is exited from groove, and glass is returned to by through hole
In substrate box, as shown in Figure 3.
Back plate and the PDP performance measurements using common back plate that table one is designed using the present embodiment
Can be obtained from table one, using the present embodiment design back plate PDP with using existing market sell it is common
The PDP of back plate compare, white brightness increases by 37%, and colour temperature increases 295K, and contrast increases by 21%, and voltage margin increases
35%, power consumption reduces by 10%, PDP efficiency increases by 18%, PDP noises decline 21%.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (7)
1. a kind of plasma display panel back plate, it is characterised in that including：
Glass substrate box, it is the cuboid box body surrounded by six pieces of glass substrates, and the upper surface of the glass substrate box opens up
There are multiple through holes, the supporting plate parallel with the upper surface of the glass substrate box is internally provided with the glass substrate box；
In the upper surface of the supporting plate, multiple electrodes are set；
The first insulating barrier is pasted in the upper surface of the supporting plate；
The second insulating barrier is pasted on the upper surface of the multiple electrode；
Composite insulation layer is pasted in the upper surface of the glass substrate box, the composite insulation layer includes the 3rd insulating barrier, the 4th
Insulating barrier and gas insulating barrier, offer multiple grooves, the opening of each groove and on the lower surface of the 3rd insulating barrier
Individual through hole is relative, sets multiple raised on the upper surface of the 4th insulating barrier, and the gas-insulated layer has cavity including middle part
Glass substrate and argon gas, the argon gas is filled in during there is a cavity of glass substrate of cavity at the middle part, the 3rd insulation
Layer, gas-insulated layer and the 4th insulating barrier are pasted in the upper surface of the glass substrate box successively；
One layer of barrier rib layer is pasted in the upper surface of the 4th insulating barrier, one layer of phosphor is coated with the barrier rib layer
Layer；
The lower surface of the supporting plate is adhesive with air bag, and the air bag is connected with an aerating device, and the aerating device is inflated to institute
The gas in air bag or the extraction air bag is stated, when the aerating device is to the airbag aeration, described in the air bag jack-up
Supporting plate, each electrode is passed from a through hole, into a groove, the gas in the aerating device extracts the air bag out
When, the supporting plate falls, and the multiple electrode is returned in the glass substrate box；
The lower surface of the glass substrate box is provided with heat sink, the heat sink includes cooling block, temperature sensor
With cryogenic gas generating means, the cooling block is the box body being made from a material that be thermally conductive, and air inlet is provided with the cooling block
Mouth and gas outlet, gas valve is provided with the gas outlet, is internally provided with the detection cooling block in the cooling block
The gas pressure sensor of portion's gas pressure, the temperature sensor is arranged in the glass substrate box, detects the glass
Temperature inside substrate box, the temperature sensor is connected with the cryogenic gas generating means, the pressure sensor and institute
State gas valve connection；
When the temperature value that temperature sensor detection is obtained is more than or equal to 40 DEG C, the temperature sensor opens the low temperature
Gas generating unit, the cryogenic gas generating means is filled with cryogenic gas to the cooling block, when temperature sensor inspection
The temperature value for measuring is less than 40 DEG C, and the temperature sensor closes the cryogenic gas generating means；
Atmospheric pressure value inside cooling block described in the pressure sensor real-time monitoring, when the air pressure that the pressure sensor is detected
When value is more than or equal to 1.2 atmospheric pressure, the pressure sensor opens the gas valve, the gas in the cooling block from
The gas outlet discharge；When the atmospheric pressure value that the pressure sensor is detected is less than 1.2 atmospheric pressure, the pressure sensor
Close the gas valve；
Wherein, component of first insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 28 parts of Bi2O3, 10 parts
ZnO, 5 parts of SiO2, 3 parts of B2O3, 7 parts of Al2O3, 0.6 part of Na2O, 0.7 part of K2O, 1 part of BaO, 1.6 parts of MgO and 0.9 part of SrO；
Component of second insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 9 parts of PbO, 3 parts of ZnO, 9 parts
SiO2, 4 parts of B2O3, 6 parts of Al2O3, 2 parts of Li2O, 0.1 part of K2O, 1.3 parts of BaO, 1.1 parts of CaO, 0.1 part of MgO and 0.6 part of SrO；
Component of 3rd insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 30 parts of Bi2O3, 17 parts of ZnO, 6
Part SiO2, 3 parts of B2O3, 12 parts of Al2O3, 0.6 part of Na2O, 0.5 part of Li2O, 0.5 part of K2O, 1 part of BaO, 0.3 part of CaO, 1.3 parts of MgO and
1.1 parts of SrO；
Component of 4th insulating barrier comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 38 parts of Bi2O3, 13 parts of ZnO, 5 parts
SiO2, 1 part of B2O3, 10 parts of Al2O3, 0.6 part of Na2O, 0.7 part of Li2O, 0.9 part of K2O, 1.3 parts of BaO, 0.7 part of CaO, 1.5 parts of MgO and
1.0 parts of SrO；
Component of the barrier rib layer comprising following mass fraction：15 parts of TiO2, 10 parts of ZnO2, 3 parts of hydrophilic polypropylene acid amides,
0.1 part of dispersant, 0.2 part, 4 parts ZnO of plasticizer, 4 parts of SiO2, 5 parts of B2O3, 17 parts of Al2O3, 1 part of Na2O, 1.8 parts of Li2O、1.7
Part K2O, 0.7 part of BaO, 0.8 part of CaO, 0.6 part of MgO and 0.9 part of SrO.
2. plasma display panel back plate as claimed in claim 1, it is characterised in that also including thermal insulation layer, the supporting plate
Lower surface is adhesive with the thermal insulation layer and the air bag successively, and the thermal insulation layer is aerogel blanket, and the insulation thickness is
0.3mm。
3. plasma display panel back plate as claimed in claim 1, it is characterised in that the thickness of first insulating barrier is 15
μm。
4. plasma display panel back plate as claimed in claim 1, it is characterised in that the thickness of second insulating barrier is 10
μm。
5. plasma display panel back plate as claimed in claim 1, it is characterised in that the thickness of the 3rd insulating barrier is 10
μm。
6. plasma display panel back plate as claimed in claim 1, it is characterised in that the thickness of the 4th insulating barrier is 10
μm。
7. plasma display panel back plate as claimed in claim 1, it is characterised in that the thickness of the phosphor layer is 55 μ
m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697412.XA CN105304435B (en) | 2015-10-25 | 2015-10-25 | Plasma display panel back plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697412.XA CN105304435B (en) | 2015-10-25 | 2015-10-25 | Plasma display panel back plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105304435A CN105304435A (en) | 2016-02-03 |
| CN105304435B true CN105304435B (en) | 2017-06-06 |
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ID=55201544
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| CN201510697412.XA Active CN105304435B (en) | 2015-10-25 | 2015-10-25 | Plasma display panel back plate |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004055480A (en) * | 2002-07-24 | 2004-02-19 | Pioneer Electronic Corp | Flat display panel |
| JP4175084B2 (en) * | 2002-10-29 | 2008-11-05 | 松下電器産業株式会社 | Plasma display panel separation method |
| JP2004244292A (en) * | 2003-02-17 | 2004-09-02 | Nippon Sheet Glass Co Ltd | Evacuating apparatus |
| CN1971826A (en) * | 2005-11-25 | 2007-05-30 | 乐金电子（南京）等离子有限公司 | Plasma display panel |
| JP2008016279A (en) * | 2006-07-05 | 2008-01-24 | Fujitsu Hitachi Plasma Display Ltd | Plasma display panel |
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2015
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