CN1412811A - Plasma display device - Google Patents
Plasma display device Download PDFInfo
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- CN1412811A CN1412811A CN 01141197 CN01141197A CN1412811A CN 1412811 A CN1412811 A CN 1412811A CN 01141197 CN01141197 CN 01141197 CN 01141197 A CN01141197 A CN 01141197A CN 1412811 A CN1412811 A CN 1412811A
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Abstract
The plasma display includes mutually opposite arranged first base plate and second base plate; holding electrode and scanning electrode which are spaced and parallelly-formed on the first base plate in the form of strip pattern; several data electrodes formed on the second base plate and perpendicular to the above-mentioned holding electrode and scanning electrode; first dielectric layer formed on the second base plate; at least an intemediate layer covering on the first dielectric layer and several baffle layer which are formed on the intermediate layer. By utilizing total reflecting principle, the most of UV light and visible light can be reflected, so that it can raise light output of plasma display, and can make the plasma display produce high brightness and high luminous efficiency.
Description
Technical field
The present invention relates to a kind of plasma scope, particularly relate to a kind of total reflection layer light reflection ultraviolet and visible light of utilizing, utilize visible reflection of light and ultraviolet light to reflect on phosphor body to increase the plasma scope of luminous efficiency.
Background technology
Fig. 1 is an existing plasma scope.(be called header board again with reference to figure 1, one first substrate 1; Front plate) (is called the back plate again with one second substrate 2; Rear plate) is provided with relative to one another.Keep electrode (sustain electrode) C and scan electrode (scan electrode) and be with striped (stripe) pattern spacing be formed at the bottom of above-mentioned first substrate 1.Then, a dielectric layer 5 is formed at the surface of above-mentioned first substrate 1, and covers above-mentioned electrode (sustain electrode) C and scan electrode (scanelectrode) S of keeping.Then, a protective layer 6 is formed on the above-mentioned dielectric layer 5.A plurality of data electrodes (dataelectrode) A and above-mentionedly keep electrode C and scan electrode S forms on above-mentioned second substrate 2 orthogonally.Then, form another dielectric layer 4 on above-mentioned second substrate 2 and a plurality of data electrode A.Then, a plurality of barrier ribs (barrier rib) 3 are parallel to above-mentioned data electrode A with striated (stripe), are formed on above-mentioned another dielectric layer 4.Then, between barrier rib 3,, be coated with the phosphor layers (not being shown among Fig. 1) that is covered with generation ruddiness, green glow or blue light according to design.
Fig. 2 is for summarily showing the cutaway view of existing plasma scope; Wherein, above-mentioned second substrate revolves and turn 90 degrees, so that easier to understand.Yet, the visible light that after phosphor body absorbs, is produced via ultraviolet light that plasma produced and ultraviolet light wherein, have towards second substrate 2, the part of i.e. back plate (rear plate) emission, the ultraviolet light of part is behind irradiation phosphor layers 7, the ultraviolet light and the visible light that have part can cause scatter and disappear ultraviolet light and visible light because of penetrating another dielectric layer and substrate, just can cause the decline of plasma scope luminous efficiency thus.
Goal of the invention
The object of the present invention is to provide a kind of plasma scope, it utilizes total reflection principle, visible light and ultraviolet light can be reflected effectively, and reflex to phosphor layers again by ultraviolet light, the ultraviolet light that can improve plasma scope converts the efficient of visible light to, just can increase the luminous efficiency of plasma scope.
The object of the present invention is achieved like this, and a kind of plasma scope promptly is provided, and it comprises:
One first substrate and one second substrate, the two setting that faces each other;
Keep electrode and scan electrode, it is with the candy strip compartment of terrain and be formed at abreast on above-mentioned first substrate;
A plurality of data electrodes are formed in the face of on above-mentioned second substrate of above-mentioned first substrate, with above-mentioned electrode and the scan electrode quadrature kept;
One first dielectric layer is formed on above-mentioned second substrate;
At least one intermediate layer is covered on the said first dielectric layer; And
A plurality of barrier ribs are formed on the above-mentioned intermediate layer;
Wherein, the refractive index in above-mentioned intermediate layer, from increasing towards the direction of first substrate in abutting connection with said first dielectric layer, and in abutting connection with the refractive index in the intermediate layer of the said first dielectric layer refractive index greater than said first dielectric layer.
Say that further described plasma scope comprises respectively on one first substrate and one second substrate: keep electrode and scan electrode and be formed on above-mentioned first substrate with the candy strip compartment of terrain; One dielectric layer is formed on above-mentioned first substrate, and covers above-mentioned electrode and the scan electrode kept; One protective layer is formed on above-mentioned first interface layer; A plurality of data electrodes and above-mentionedly keep electrode and scan electrode forms on above-mentioned second substrate orthogonally; Another dielectric layer is formed on above-mentioned second substrate, and covers above-mentioned data electrode; One first intermediate layer has the refractive index greater than above-mentioned another dielectric layer, is formed on above-mentioned another dielectric layer; One second intermediate layer has the refractive index greater than above-mentioned first intermediate layer, is formed on above-mentioned first intermediate layer; A plurality of barrier ribs are parallel to above-mentioned data electrode with striated, are formed on above-mentioned second intermediate layer; And a phosphor layers (phosphor) is coated between the barrier rib.
The present invention also provides a kind of plasma scope, comprises respectively on one first substrate and one second substrate: keep electrode and scan electrode and be formed on above-mentioned first substrate with the candy strip compartment of terrain; One dielectric layer is formed on above-mentioned first substrate, and covers above-mentioned electrode and the scan electrode kept; One protective layer is formed on above-mentioned first interface layer; A plurality of data electrodes and above-mentionedly keep electrode and scan electrode forms on above-mentioned second substrate orthogonally; Another dielectric layer is formed on above-mentioned second substrate, and covers above-mentioned data electrode; A plurality of barrier ribs are parallel to above-mentioned data electrode with striated, are formed on above-mentioned second intermediate layer; One first intermediate layer has the refractive index greater than above-mentioned another dielectric layer, is formed on above-mentioned another dielectric layer and between the barrier rib; One second intermediate layer has the refractive index greater than above-mentioned first intermediate layer, and is formed on above-mentioned first intermediate layer; And a phosphor layers is coated on above-mentioned second intermediate layer.
The present invention also provides a kind of plasma scope, comprises respectively on one first substrate and one second substrate: keep electrode and scan electrode and be formed on above-mentioned first substrate with the candy strip compartment of terrain; One dielectric layer is formed on above-mentioned first substrate, and covers above-mentioned electrode and the scan electrode kept; One protective layer is formed on the above-mentioned dielectric layer; A plurality of data electrodes and above-mentionedly keep electrode and scan electrode forms on above-mentioned second substrate orthogonally; One first intermediate layer has the refractive index greater than above-mentioned second substrate, is formed on above-mentioned second substrate, and covers above-mentioned data electrode; One second intermediate layer has the refractive index greater than above-mentioned first intermediate layer, and is formed on above-mentioned first intermediate layer; Another dielectric layer has the refractive index greater than above-mentioned second intermediate layer, and is formed on above-mentioned second intermediate layer; A plurality of barrier ribs are parallel to above-mentioned data electrode with striated, are formed on above-mentioned another dielectric layer; And a phosphor layers is coated on above-mentioned another dielectric layer.
The present invention also provides a kind of plasma scope, comprises respectively on one first substrate and one second substrate: keep electrode and scan electrode and be formed on above-mentioned first substrate with the candy strip compartment of terrain; One dielectric layer is formed on above-mentioned first substrate, and covers above-mentioned electrode and the scan electrode kept; One protective layer is formed on above-mentioned first interface layer; One first intermediate layer has the refractive index greater than above-mentioned second substrate, is formed on above-mentioned second substrate; One second intermediate layer has the refractive index greater than above-mentioned first intermediate layer, and is formed on above-mentioned first intermediate layer; A plurality of data electrodes and above-mentionedly keep electrode and scan electrode forms on above-mentioned second centre orthogonally; Another dielectric layer has the refractive index greater than above-mentioned second intermediate layer, is formed on above-mentioned second intermediate layer, and covers above-mentioned data electrode; A plurality of barrier ribs are parallel to above-mentioned data electrode with striated, are formed on above-mentioned another dielectric layer; And a phosphor layers, be coated on above-mentioned another dielectric layer.
The present invention also provides a kind of plasma scope, comprises respectively on one first substrate and one second substrate: keep electrode and scan electrode and be formed on above-mentioned first substrate with the candy strip compartment of terrain; One dielectric layer is formed on above-mentioned first substrate, and covers above-mentioned electrode and the scan electrode kept; One protective layer is formed on above-mentioned first interface layer; A plurality of data electrodes and above-mentionedly keep electrode and scan electrode is formed on the first surface of above-mentioned second substrate orthogonally; Another dielectric layer has the refractive index greater than above-mentioned second substrate, is formed on the first surface of above-mentioned second substrate, and covers above-mentioned data electrode; A plurality of barrier ribs are parallel to above-mentioned data electrode with striated, are formed on above-mentioned another dielectric layer; One phosphor layers is coated on above-mentioned another dielectric layer; One first intermediate layer has the refractive index greater than above-mentioned second substrate, is formed on the second surface of above-mentioned second substrate; And one second intermediate layer has the refractive index greater than above-mentioned first intermediate layer, and is formed on above-mentioned first intermediate layer.
The advantage of apparatus of the present invention is to have on the substrate of phosphor layers, can utilize the intermediate layer that visible light and ultraviolet light are produced total reflection, and shine on the phosphor layers once more; Also can utilize the oblique angle evaporation between above-mentioned barrier rib, to form above-mentioned intermediate layer; And can utilize total reflection principle, and make the ultraviolet light reirradiation in phosphor layers, increase the luminous efficiency of plasma scope.
Description of drawings
Fig. 1 is an existing plasma scope schematic diagram;
Fig. 2 is the cutaway view of existing plasma scope, and wherein, above-mentioned second substrate rotation is so that easier to understand;
Fig. 3 is the plasma scope cutaway view of the first embodiment of the present invention;
Fig. 4 is the plasma scope cutaway view of the second embodiment of the present invention;
Fig. 5 is the plasma scope cutaway view of the third embodiment of the present invention;
Fig. 6 is the plasma scope cutaway view of the fourth embodiment of the present invention;
Fig. 7 is the plasma scope cutaway view of the fifth embodiment of the present invention;
Fig. 8 A to Fig. 8 B forms phosphor layers process schematic diagram for utilizing the wire mark painting method;
Fig. 9 A to Fig. 9 C forms phosphor layers process schematic diagram for utilizing the depositing in water method.
Embodiment first embodiment
Fig. 3 is the plasma scope that summarily shows the present invention's first embodiment.As shown in Figure 3, plasma display panel structure comprises one first substrate 10 and one second substrate 20 according to an embodiment of the invention, passes through barrier rib 30 each other so that both set a distance was separate, and the space of discharge is provided; And the formation one is connected to each other.In Fig. 3, for the ease of understanding, first substrate 10 and second substrate 20 revolve and turn 90 degrees demonstration.
With reference to figure 3, keep electrode C and scan electrode S with the candy strip compartment of terrain and be formed on abreast on above-mentioned first substrate 10.On above-mentioned first substrate 10, form one second transparent dielectric layer 50, and cover above-mentioned electrode C and the scan electrode S of keeping.Form a protective layer 60 on said second dielectric layer 50, magnesium oxide layer for example is so that protection said second dielectric layer 50.
Then, a plurality of data electrode A are formed in the face of on above-mentioned second substrate 20 of above-mentioned first substrate 10 and form candy strip, and wherein data electrode is above-mentioned electrode C and the scan electrode S quadrature kept.Then, on above-mentioned second substrate 20, form one first dielectric layer 40, and be covered on the above-mentioned data electrode A and second substrate.Then, form a plurality of strips (stripe) barrier ribs (rib) 30 on said first dielectric layer 40, wherein, this strip barrier rib is parallel to above-mentioned data electrode A.Afterwards, and in covering (coating) last layer phosphor layers 70 on the said first dielectric layer 40 and between the barrier rib 30.
As shown in Figure 3, between first dielectric layer 40 and phosphor layers 70, form intermediate layer 80.This intermediate layer 80 is a sandwich construction, and its refractive index is from increasing towards the direction in abutting connection with above-mentioned phosphor layers 70 in abutting connection with said first dielectric layer 40; Wherein, in abutting connection with the refractive index of an intermediate layer 80b of said first dielectric layer 40 refractive index greater than said first dielectric layer 40, the refractive index of another intermediate layer 80a of the above-mentioned phosphor body 70 of adjacency is greater than the refractive index of intermediate layer 80a, and the refractive index of phosphor layers 70 is greater than the refractive index of intermediate layer 80b.
Therefore, in first embodiment of embodiments of the invention, with respect to the ultraviolet light wavelength, the refractive index of above-mentioned phosphor layers 70 is greater than the refractive index in this each intermediate layer 80, intermediate layer 80 refractive indexes of this each multi-ply construction are successively decreased towards first dielectric layer, 40 directions from phosphor layers 70, in abutting connection with the refractive index of an intermediate layer 80a of said first dielectric layer 40 refractive index greater than said first dielectric layer 40, and the refractive index of said first dielectric layer 40 is greater than the refractive index of above-mentioned second substrate 20.In discharge space, discharge gas (discharge gas), neon for example by discharge forms plasma between electrode C, scan electrode S and the data electrode A keeping, and produces ultraviolet light.Ultraviolet light just can produce visible light after being absorbed by above-mentioned phosphor layers 70.After ultraviolet lighting is mapped to above-mentioned phosphor layers 70, because change of refractive is descending, be that the intermediate layer 80 of phosphor layers 70, multi-ply construction and the refractive index of first dielectric layer 40 are arranged in regular turn from large to small, thereby the generation total reflection, make visible light and ultraviolet light shine above-mentioned phosphor layers 70 once more because of reflection.Therefore, in first embodiment of embodiments of the invention, the phosphor layers of arranging from large to small by refractive index 70, intermediate layer 80, first dielectric layer 40 and second substrate 20 of sandwich construction, the ultraviolet light visible light can make plasma scope of the present invention can have better luminosity and luminous efficiency so that can increase visible reflection of light and ultraviolet light is the probability that phosphor layers 70 is absorbed because of repeatedly reflecting.Second embodiment
Fig. 4 is for summarily showing the plasma scope of the second embodiment of the present invention.As shown in Figure 4, plasma display panel structure comprises one first substrate 10 and one second substrate 20 according to an embodiment of the invention, passes through barrier rib 30 each other so that both set a distance was separate, and the space of discharge is provided; And the formation one is connected to each other.In Fig. 4, for the ease of understanding, first substrate 10 and second substrate 20 revolve and turn 90 degrees demonstration.
With reference to figure 4, keep electrode C and scan electrode S with the candy strip compartment of terrain and be formed on abreast on above-mentioned first substrate 10.On above-mentioned first substrate 10, form one second transparent dielectric layer 50, and cover above-mentioned electrode C and the scan electrode S of keeping.Form a protective layer 60 on said second dielectric layer 50, magnesium oxide layer for example is so that protection said second dielectric layer 50.
Then, a plurality of data electrode A are formed in the face of on above-mentioned second substrate 20 of above-mentioned first substrate 10 and form candy strip, wherein above-mentioned electrode C and the scan electrode S quadrature kept of data electrode.Then, on above-mentioned second substrate 20, form one first dielectric layer 40, and be covered on the above-mentioned data electrode A and second substrate.Then, form a plurality of strip barrier ribs 30 on said first dielectric layer 40, wherein, this strip barrier rib is parallel to above-mentioned data electrode A.Afterwards, and in covering last layer phosphor layers 70 on the said first dielectric layer 40 and between the barrier rib 30.
As shown in Figure 4, between the said first dielectric layer 40 and second substrate 20, form intermediate layer 80.This intermediate layer 80 is a sandwich construction, and its refractive index is from successively decreasing towards the direction in abutting connection with above-mentioned second substrate 20 in abutting connection with said first dielectric layer 40; Wherein, in abutting connection with the refractive index of an intermediate layer 80b of said first dielectric layer 40 refractive index, in abutting connection with the refractive index of another intermediate layer 80a of above-mentioned second substrate 20 refractive index greater than above-mentioned second substrate 20 less than said first dielectric layer 40.
Therefore, in second embodiment of embodiments of the invention, with respect to the ultraviolet light wavelength, the refractive index of said first dielectric layer 40 is greater than the refractive index in this each intermediate layer 80, the refractive index in the intermediate layer 80 of this each multi-ply construction is successively decreased towards second substrate, 20 directions from first dielectric layer 40, in abutting connection with the refractive index of an intermediate layer 80b of said first dielectric layer 40 refractive index less than said first dielectric layer 40, and in abutting connection with the refractive index of another intermediate layer 80a of above-mentioned second substrate 20 refractive index greater than above-mentioned second substrate 20.In discharge space, discharge gas, neon for example by discharge forms plasma between electrode C, scan electrode S and the data electrode A keeping, and produces ultraviolet light.After ultraviolet light was absorbed by above-mentioned phosphor layers 70, becoming can the generation visible light.After ultraviolet lighting is mapped to above-mentioned phosphor layers 70, because change of refractive is descending, be that the intermediate layer 80 of phosphor layers 70, first dielectric layer 40, multi-ply construction and the refractive index of second substrate 20 are arranged in regular turn from large to small, thereby the generation total reflection, make visible light and ultraviolet light shine above-mentioned phosphor layers 70 once more because of reflection.Therefore, in the second embodiment of the present invention, the intermediate layer 80 and second substrate 20 of the phosphor layers of arranging from large to small by refractive index 70, first dielectric layer 40, sandwich construction, can make ultraviolet light, visible light increase visible reflection of light and ultraviolet light is the probability that phosphor layers 70 is absorbed, make plasma scope of the present invention can have better luminosity and luminous efficiency because of repeatedly reflecting.The 3rd embodiment
Fig. 5 is for summarily showing the plasma scope of the third embodiment of the present invention.As shown in Figure 5, plasma display panel structure comprises one first substrate 10 and one second substrate 20 according to an embodiment of the invention, passes through barrier rib 30 each other so that both set a distance was separate, and the space of discharge is provided; And the formation one is connected to each other.In Fig. 5, for the ease of understanding, first substrate 10 and second substrate 20 revolve and turn 90 degrees demonstration.
With reference to figure 5, keep electrode C and scan electrode S with the candy strip compartment of terrain and be formed on abreast on above-mentioned first substrate 10.On above-mentioned first substrate 10, form one second transparent dielectric layer 50, and cover above-mentioned electrode C and the scan electrode S of keeping.Form a protective layer 60 on said second dielectric layer 50, magnesium oxide layer for example is so that protection said second dielectric layer 50.
Then, a plurality of data electrode A are formed in the face of on above-mentioned second substrate 20 of above-mentioned first substrate 10 and form candy strip, wherein above-mentioned electrode C and the scan electrode S quadrature kept of data electrode.Then, on above-mentioned second substrate 20, form one first dielectric layer 40, and be covered on the above-mentioned data electrode A and second substrate.Then, form a plurality of strip barrier ribs 30 on said first dielectric layer 40, wherein, this strip barrier rib is parallel to above-mentioned data electrode A.Afterwards, and in covering last layer phosphor layers 70 on the said first dielectric layer 40 and between the barrier rib 30.
As shown in Figure 5, between the said first dielectric layer 40 and second substrate 20, form intermediate layer 80.In addition, a plurality of data electrode A are formed on the intermediate layer 80.This intermediate layer 80 is a sandwich construction, and its refractive index is from successively decreasing towards the direction in abutting connection with above-mentioned second substrate 20 in abutting connection with said first dielectric layer 40; Wherein, in abutting connection with the refractive index of an intermediate layer 80b of said first dielectric layer 40 refractive index, in abutting connection with the refractive index of another intermediate layer 80a of above-mentioned second substrate 20 refractive index greater than above-mentioned second substrate 20 less than said first dielectric layer 40.
Therefore, in the 3rd embodiment of embodiments of the invention, with respect to the ultraviolet light wavelength, the refractive index of said first dielectric layer 40 is greater than the refractive index in this each intermediate layer 80, the refractive index in the intermediate layer 80 of this each multi-ply construction is successively decreased towards second substrate, 20 directions from first dielectric layer 40, in abutting connection with the refractive index of an intermediate layer 80b of said first dielectric layer 40 refractive index less than said first dielectric layer 40, and in abutting connection with the refractive index of another intermediate layer 80a of above-mentioned second substrate 20 refractive index greater than above-mentioned second substrate 20.In discharge space, discharge gas, neon for example by discharge forms plasma between electrode C, scan electrode S and the data electrode A keeping, and produces ultraviolet light.Ultraviolet light just can produce visible light after being absorbed by above-mentioned phosphor layers 70.After ultraviolet lighting is mapped to above-mentioned phosphor layers 70, because change of refractive is descending, be that the intermediate layer 80 of phosphor layers 70, first dielectric layer 40, multi-ply construction and the refractive index of second substrate 20 are arranged in regular turn from large to small, thereby the generation total reflection, make visible light and ultraviolet light thereby reflection and shine above-mentioned phosphor layers 70 once more.Therefore, in the 3rd embodiment of embodiments of the invention, the intermediate layer 80 and second substrate 20 of the phosphor layers of arranging from large to small by refractive index 70, first dielectric layer 40, sandwich construction, can make ultraviolet light, visible light increase visible reflection of light and ultraviolet light is the probability that phosphor layers 70 is absorbed, make plasma scope of the present invention can have better luminosity and luminous efficiency because of repeatedly reflecting.The 4th embodiment
Fig. 6 is for summarily showing the plasma scope of the fourth embodiment of the present invention.As shown in Figure 6, plasma display panel structure comprises one first substrate 10 and one second substrate 20 according to an embodiment of the invention, passes through barrier rib 30 each other so that both set a distance was separate, and the space of discharge is provided; And the formation one is connected to each other.In Fig. 6, for the ease of understanding, first substrate 10 and second substrate 20 revolve and turn 90 degrees demonstration.
With reference to figure 6, keep electrode C and scan electrode S with the candy strip compartment of terrain and be formed on abreast on above-mentioned first substrate 10.On above-mentioned first substrate 10, form one second transparent dielectric layer 50, and cover above-mentioned electrode C and the scan electrode S of keeping.Form a protective layer 60 on said second dielectric layer 50, magnesium oxide layer for example is so that protection said second dielectric layer 50.
Then, a plurality of data electrode A are formed in the face of on above-mentioned second substrate 20 of above-mentioned first substrate 10 and form candy strip, and wherein data electrode is above-mentioned electrode C and the scan electrode S quadrature kept.Then, on above-mentioned second substrate 20, form one first dielectric layer 40, and be covered on the above-mentioned data electrode A and second substrate.Then, form a plurality of strip barrier ribs 30 on said first dielectric layer 40, wherein, this strip barrier rib is parallel to above-mentioned data electrode A.Afterwards, and in covering last layer phosphor layers 70 on the said first dielectric layer 40 and between the barrier rib 30.
As shown in Figure 6, on another surface of above-mentioned second substrate 20 that does not have data electrode A, form intermediate layer 80.This intermediate layer 80 is a sandwich construction, and its refractive index is from successively decreasing in regular turn in abutting connection with above-mentioned second substrate 20 places; Wherein, the refractive index of an intermediate layer 80b of above-mentioned second substrate 20 of adjacency is less than the refractive index of above-mentioned second substrate 20.
Therefore, in the 4th embodiment of embodiments of the invention, with respect to the ultraviolet light wavelength, the refractive index of said first dielectric layer 40 is greater than the refractive index of second substrate 20, the refractive index of second substrate 20 is greater than the refractive index in the intermediate layer 80 of this multi-ply construction, and the refractive index in the intermediate layer 80 of this multi-ply construction is from successively decreasing in regular turn in abutting connection with second substrate, 20 places.In discharge space, discharge gas, for example neon forms plasma by keeping to discharge between electrode C, scan electrode S and the data electrode A, and produces ultraviolet light.Ultraviolet light just can produce visible light after being absorbed by above-mentioned phosphor layers 70.After ultraviolet lighting is mapped to above-mentioned phosphor layers 70, because change of refractive is descending, the refractive index that is the intermediate layer 80 of phosphor layers 70, first dielectric layer 40, second substrate 20 and multi-ply construction is arranged in regular turn from large to small, thereby the generation total reflection, make visible light and ultraviolet light shine above-mentioned phosphor layers 70 once more because of reflection.Therefore, in the 4th embodiment of embodiments of the invention, the intermediate layer 80 of phosphor layers 70, first dielectric layer 40, second substrate 20 and the sandwich construction of arranging from large to small by refractive index, can make the ultraviolet light visible light increase visible reflection of light and ultraviolet light is the probability that phosphor layers 70 is absorbed, make plasma scope of the present invention can have better luminosity and luminous efficiency because of repeatedly reflecting.The 5th embodiment
Fig. 7 is for summarily showing the plasma scope of the fifth embodiment of the present invention.As shown in Figure 7, plasma display panel structure comprises one first substrate 10 and one second substrate 20 according to an embodiment of the invention, passes through barrier rib 30 each other so that both set a distance was separate, and the space of discharge is provided; And the formation one is connected to each other.In Fig. 7, for the ease of understanding, first substrate 10 and second substrate 20 revolved turn 90 degrees demonstration.
With reference to figure 7, keep electrode C and scan electrode S with the candy strip compartment of terrain and be formed at abreast on above-mentioned first substrate 10.On above-mentioned first substrate 10, form one second transparent dielectric layer 50, and cover above-mentioned electrode C and the scan electrode S of keeping.Form a protective layer 60 on said second dielectric layer 50, magnesium oxide layer for example is so that protection said second dielectric layer 50.
Then, a plurality of data electrode A are formed in the face of on above-mentioned second substrate 20 of above-mentioned first substrate 10 and form candy strip, wherein above-mentioned electrode C and the scan electrode S quadrature kept of data electrode.Then, on above-mentioned second substrate 20, form one first dielectric layer 40, and cover on the above-mentioned data electrode A and second substrate.Then, form a plurality of strip barrier ribs 30 on said first dielectric layer 40, wherein, this strip barrier rib is parallel to above-mentioned data electrode A.Afterwards, and in covering last layer phosphor layers 70 on the said first dielectric layer 40 and between the barrier rib 30.
As shown in Figure 7, forming intermediate layer 80 between the above-mentioned barrier rib 30 with on first dielectric layer 40.Then, between the above-mentioned barrier rib 30 therewith on the intermediate layer 80, form a phosphor layers 70.Wherein, above-mentioned phosphor layers 70 preferably has the refractive index greater than this intermediate layer 80; And this intermediate layer 80 is a sandwich construction, and its refractive index is from successively decreasing towards the direction of adjacency said first dielectric layer 40 in abutting connection with above-mentioned phosphor layers 70.In the 5th embodiment of embodiments of the invention, can be formed in regular turn on the above-mentioned barrier rib 30 by the intermediate layer 80 of oblique angle evaporation coating method with this sandwich construction.
Therefore, in the 5th embodiment of embodiments of the invention, with respect to the ultraviolet light wavelength, the refractive index of above-mentioned phosphor layers 70 is greater than the refractive index in the intermediate layer 80 of this sandwich construction, the refractive index in the intermediate layer 80 of this sandwich construction is successively decreased towards the direction of adjacency said first dielectric layer 40 from the above-mentioned phosphor layers 70 of adjacency, and the refractive index in the intermediate layer 80 of this sandwich construction is greater than the refractive index of said first dielectric layer 40.In discharge space, discharge gas is neon for example, and discharge forms plasma between electrode C, scan electrode S and the data electrode A by keeping, and produces ultraviolet light.Ultraviolet light just can produce visible light after being absorbed by above-mentioned phosphor layers 70.After ultraviolet lighting is mapped to above-mentioned phosphor layers 70, because change of refractive is descending, be that the intermediate layer 80 of phosphor layers 70, sandwich construction and the refractive index of first dielectric layer 40 are arranged in regular turn from large to small, thereby the generation total reflection, make visible light and ultraviolet light shine above-mentioned phosphor layers 70 once more because of reflection.Therefore, in the 5th embodiment of embodiments of the invention, the phosphor layers of arranging from large to small by refractive index 70, the intermediate layer 80 and first dielectric layer 40 of sandwich construction, can make ultraviolet light, visible light increase visible reflection of light and ultraviolet light is the probability that phosphor layers 70 is absorbed, make plasma scope of the present invention can have better luminosity and luminous efficiency because of repeatedly reflecting.
In the present invention, also can adopt wire mark (the screen print paste) mode that applies to form above-mentioned phosphor layers.Shown in Fig. 8 A, the raw material of phosphor layers is dissolved in the solvent, form slurry (paste) 90 and riddle in the barrier rib 30.Then, with reference to figure 8B, behind baking (bake) removal solvent, between barrier rib 30, form above-mentioned phosphor layers 70.
In addition, in the present invention, also can adopt the depositing in water method to form above-mentioned phosphor layers.Shown in Fig. 9 A, the raw material of phosphor layers is formed slurry 90 riddle in the barrier rib 30.Then, with reference to figure 9B and Fig. 9 C, the time by estimation slurry 90 solidifies, after forming the above-mentioned phosphor layers 70 of set thickness between the barrier rib 30, remove the slurry 90 in the barrier rib 30.
In the first embodiment of the present invention to the four embodiment, can form above-mentioned intermediate layer by methods such as sputter, chemical vapour deposition (CVD) or evaporations.
In the first embodiment of the present invention to the five embodiment, above-mentioned phosphor body also can be formed on first substrate, covers said second dielectric layer.
In the present invention, restriction does not produce the number of plies or the thickness in the intermediate layer of total reflection.In addition, non-transparent material can be used in the intermediate layer.For example, the material in making intermediate layer can be selected from a kind of of following material: Ti, Pt, Y
2O
3, Ta
2O
3, Al
2O
3And HfO
2
Though disclosed the present invention in conjunction with above preferred embodiment; yet it is not in order to limit the present invention; any those skilled in the art can do to change and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined without departing from the spirit and scope of the present invention.
Claims (22)
1. plasma scope, it comprises:
One first substrate and one second substrate, the two setting that faces each other;
Keep electrode and scan electrode, it is with the candy strip compartment of terrain and be formed at abreast on above-mentioned first substrate;
A plurality of data electrodes are formed in the face of on above-mentioned second substrate of above-mentioned first substrate, with above-mentioned electrode and the scan electrode quadrature kept;
One first dielectric layer is formed on above-mentioned second substrate;
At least one intermediate layer is covered on the said first dielectric layer; And
A plurality of barrier ribs are formed on the above-mentioned intermediate layer;
Wherein, the refractive index in above-mentioned intermediate layer, from increasing towards the direction of first substrate in abutting connection with said first dielectric layer, and in abutting connection with the refractive index in the intermediate layer of the said first dielectric layer refractive index greater than said first dielectric layer.
2. plasma scope as claimed in claim 1 also comprises:
One second dielectric layer is formed on above-mentioned first substrate and covers above-mentioned electrode and the scan electrode kept; And
One protective layer is formed on the said second dielectric layer.
3. plasma scope as claimed in claim 2, wherein said first dielectric layer covers above-mentioned data electrode.
4. plasma scope as claimed in claim 1 also comprises a phosphor layers, be formed between the above-mentioned barrier rib with the intermediate layer on, and the refractive index of this phosphor layers is greater than the refractive index in above-mentioned intermediate layer.
5. plasma scope, it comprises:
One first substrate and one second substrate, the two setting that faces each other;
Keep electrode and scan electrode, with the candy strip compartment of terrain and be formed at abreast on above-mentioned first substrate;
A plurality of data electrodes are formed in the face of on above-mentioned second substrate of above-mentioned first substrate, with above-mentioned electrode and the scan electrode quadrature kept;
One first dielectric layer is formed on above-mentioned second substrate;
A plurality of barrier ribs are formed on the said first dielectric layer; And
At least one intermediate layer, be formed between the above-mentioned barrier rib with first dielectric layer on;
Wherein, the refractive index in above-mentioned intermediate layer is from increasing progressively in abutting connection with the direction of said first dielectric layer towards first substrate.
6. plasma scope as claimed in claim 5 wherein forms above-mentioned intermediate layer by the oblique angle evaporation coating method.
7. plasma scope as claimed in claim 5, wherein said first dielectric layer covers above-mentioned data electrode.
8. plasma scope as claimed in claim 5 also comprises:
One second dielectric layer is formed on above-mentioned first substrate and covers above-mentioned electrode and the scan electrode kept; And
One protective layer is formed on the said second dielectric layer.
9. plasma scope as claimed in claim 5 also comprises a phosphor body, is formed between the above-mentioned barrier rib, and covers on the above-mentioned intermediate layer, and wherein the refractive index of this phosphor layers is greater than the refractive index in above-mentioned intermediate layer.
10. plasma scope, it comprises:
One first substrate and one second substrate, setting faces each other;
Keep electrode and scan electrode, with the candy strip compartment of terrain and be formed at abreast on above-mentioned first substrate;
A plurality of data electrodes are formed in the face of on above-mentioned second substrate of above-mentioned first substrate, with above-mentioned electrode and the scan electrode quadrature kept;
At least one intermediate layer is formed on above-mentioned second substrate, and covers above-mentioned data electrode;
One first dielectric layer is formed on the above-mentioned intermediate layer; And
A plurality of barrier ribs are formed on the said first dielectric layer;
Wherein, the refractive index in above-mentioned intermediate layer, successively decrease towards direction from the adjacency said first dielectric layer in abutting connection with above-mentioned second substrate, and in abutting connection with the refractive index in the intermediate layer of said first dielectric layer refractive index, in abutting connection with the refractive index in the intermediate layer of above-mentioned second substrate refractive index greater than above-mentioned second substrate less than said first dielectric layer.
11. plasma scope as claimed in claim 10 also comprises:
One second dielectric layer is formed on above-mentioned first substrate and covers above-mentioned electrode and the scan electrode kept; And
One protective layer is formed on the said second dielectric layer.
12. plasma scope as claimed in claim 10 also comprises a phosphor layers, be formed between the above-mentioned barrier rib with first dielectric layer on, and the refractive index of this phosphor layers is greater than the refractive index of said first dielectric layer.
13. a plasma scope, it comprises:
One first substrate and one second substrate, the two setting that faces each other;
Keep electrode and scan electrode, with the candy strip compartment of terrain and be formed at abreast on above-mentioned first substrate;
A plurality of data electrodes are formed in the face of on above-mentioned second substrate of above-mentioned first substrate, with above-mentioned electrode and the scan electrode quadrature kept;
One first dielectric layer is formed on above-mentioned second substrate, and covers above-mentioned data electrode;
A plurality of barrier ribs are formed on the said first dielectric layer; And
At least one intermediate layer is formed on another surface of above-mentioned second substrate with data electrode;
Wherein, the refractive index in above-mentioned intermediate layer, successively decrease in regular turn in the above-mentioned second substrate place from adjacency, and the refractive index in an intermediate layer of above-mentioned second substrate of adjacency is less than the refractive index of above-mentioned second substrate.
14. plasma scope as claimed in claim 13 also comprises a phosphor layers, be formed between the above-mentioned barrier rib with first dielectric layer on, and the refractive index of this phosphor layers is greater than the refractive index of said first dielectric layer.
15. plasma scope as claimed in claim 13 also comprises:
One second dielectric layer is formed on above-mentioned first substrate and covers above-mentioned electrode and the scan electrode kept; And
One protective layer is formed on the said second dielectric layer.
16. a plasma scope, it comprises:
One first substrate and one second substrate, the two setting that faces each other;
Keep electrode and scan electrode, with the candy strip compartment of terrain and be formed at abreast on above-mentioned first substrate;
At least one intermediate layer is formed in the face of on above-mentioned second substrate of above-mentioned first substrate;
A plurality of data electrodes are formed on the above-mentioned intermediate layer, with above-mentioned electrode and the scan electrode quadrature kept;
One first dielectric layer is formed on the above-mentioned intermediate layer, and covers above-mentioned data electrode; And
A plurality of barrier ribs are formed on the said first dielectric layer;
Wherein, the refractive index in above-mentioned intermediate layer, successively decrease from adjacency said first dielectric layer to direction in abutting connection with above-mentioned second substrate, and in abutting connection with the refractive index in the intermediate layer of said first dielectric layer refractive index, in abutting connection with the refractive index in the intermediate layer of above-mentioned second substrate refractive index greater than above-mentioned second substrate less than said first dielectric layer.
17. plasma scope as claimed in claim 16 also comprises:
One second dielectric layer is formed on above-mentioned first substrate and covers above-mentioned electrode and the scan electrode kept;
One protective layer is formed on the said second dielectric layer.
18. plasma scope as claimed in claim 16 also comprises a phosphor layers, be formed between the above-mentioned barrier rib with first dielectric layer on, and the refractive index of this phosphor layers is greater than the refractive index of said first dielectric layer.
19. as claim 4,9,12,14 and 18 described plasma scopes, wherein above-mentioned phosphor layers forms by the wire mark painting method.
20. plasma scope as claimed in claim 19, wherein above-mentioned wire mark painting method comprises the following steps:
The raw material of phosphor layers is dissolved in the solvent, forms slurry and riddle in the barrier rib; And
Behind the above-mentioned solvent of baking removal, between barrier rib, form above-mentioned phosphor layers.
21. as claim 4,9,12,14 and 18 described plasma scopes, wherein above-mentioned phosphor layers forms by the depositing in water method.
22. plasma scope as claimed in claim 21, wherein above-mentioned depositing in water method comprises the following steps:
The raw material formation slurry of phosphor layers is riddled in the barrier rib; And
By the time of estimation slurry curing, after forming the above-mentioned phosphor layers of set thickness between the barrier rib, remove the slurry in the barrier rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01141197 CN1207749C (en) | 2001-10-12 | 2001-10-12 | Plasma display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01141197 CN1207749C (en) | 2001-10-12 | 2001-10-12 | Plasma display device |
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| CN1207749C CN1207749C (en) | 2005-06-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000857B (en) * | 2006-01-13 | 2010-05-12 | 中华映管股份有限公司 | Plane lamp source and its manufacturing method |
| CN101807505A (en) * | 2009-12-31 | 2010-08-18 | 四川虹欧显示器件有限公司 | Plasma display panel |
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2001
- 2001-10-12 CN CN 01141197 patent/CN1207749C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000857B (en) * | 2006-01-13 | 2010-05-12 | 中华映管股份有限公司 | Plane lamp source and its manufacturing method |
| CN101807505A (en) * | 2009-12-31 | 2010-08-18 | 四川虹欧显示器件有限公司 | Plasma display panel |
| WO2011140952A1 (en) * | 2010-05-11 | 2011-11-17 | 四川虹欧显示器件有限公司 | Plasma display panel |
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| CN1207749C (en) | 2005-06-22 |
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