CN1310273C - Plasma luminous panel - Google Patents
Plasma luminous panel Download PDFInfo
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- CN1310273C CN1310273C CNB031474845A CN03147484A CN1310273C CN 1310273 C CN1310273 C CN 1310273C CN B031474845 A CNB031474845 A CN B031474845A CN 03147484 A CN03147484 A CN 03147484A CN 1310273 C CN1310273 C CN 1310273C
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- electrode
- light emitting
- emitting panel
- plasma light
- plasma
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Abstract
The present invention provides a plasma luminous panel used as a light source of a display panel. The present invention comprises a first base plate provide with a first surface, a second base plate arranged above the first surface, a plurality of electrode couples which extend onto the first surface along a first direction, and a plurality of conductivity gap supporters, wherein each electrode couple comprises a first electrode and a second electrode, and the conductivity gap supporters are respectively arranged above each first electrode and each second electrode and are used for carrying out opposite electric discharge operation and supporting the second base plate.
Description
Technical field
The present invention relates to a kind of plasma light emitting panel (plasma panel), particularly a kind of plasma light emitting panel that increases gas discharge efficiency.
Background technology
Plasma light emitting panel (plasma panel, PP) be a kind ofly to produce luminous flat luminous device by gas discharge, its operation principle is similar to fluorescent lamp and fluorescent lamp, the ultraviolet light that is produced when all utilizing noble gas discharge shines fluorophor (phosphor), and produces visible light.On the other hand, because the size of plasma light emitting panel is big and thin, and has the advantage of low radiation, therefore can be applicable on the backlight (backlight) of large scale liquid crystal display.
Please refer to Fig. 1, Fig. 1 is the schematic perspective view of existing plasma light emitting panel.As shown in Figure 1, a plasma luminescent panel 10 includes the parallel and relative metacoxal plate 14 of a prebasal plate 12, one and prebasal plate 12, and a discharge gas (discharge gas shows) is filled and sealed up for safekeeping between prebasal plate 12 and metacoxal plate 14.On the other hand, plasma light emitting panel 10 also includes a plurality of electrode pairs 16 and is located on the surface of metacoxal plate 14, one dielectric layer 22 is deposited on each electrode pair 16, one luminescent coating 24 is located at the downside surface of prebasal plate 12, and a plurality of gaps supporters (spacer) 26, be located between prebasal plate 12 and the metacoxal plate 14.In addition, each electrode pair 16 all includes an electrode 18 and an electrode 20, and each gap supporter 26 is located on the dielectric layer 22 between electrode 18 and the electrode 20, be used for separating prebasal plate 12 and metacoxal plate 14, and make prebasal plate 12 and the metacoxal plate 14 can be at interval more than tens of microns (μ m), to provide this discharge gas enough discharge spaces.Generally speaking, each gap supporter 26 all is glass marbles of an insulation, and this discharge gas is an inert gas, normally neon (Ne), xenon (Xe) or the mist of neon and xenon.
Next, the principle of luminosity of plasma light emitting panel 10 will be described below.At first, one drive circuit (driving circuit, demonstration) applies a discharge voltage and give electrode 18 and electrode 20, this discharge voltage can cause generation level discharge (surface discharge) between electrode 18 and the electrode 20 then, that is to say that this discharge voltage makes near the gas molecule formation plasma particle of electrode 18,20.Then, the plasma particle of close electrode 18,20 can continue to clash into other gas molecule again and produce more plasma particle, and the atom that is excited in the plasma particle can discharge ultraviolet light (ultra violet light), after luminescent coating 24 has absorbed the ultraviolet light that plasma particle discharged, just visible light can be produced so that plasma light emitting panel 10 is luminous.But, existing plasma light emitting panel 10 is when lighting plasma, and the electric weight height that plasma light emitting panel 10 is consumed so guiding discharge efficient (discharge efficiency) is low, thereby has reduced the value of plasma light emitting panel 10.Therefore, how improving the discharging efficiency of plasma light emitting panel 10, is one of present considerable problem.
Summary of the invention
A purpose of the present invention provides a kind of plasma light emitting panel that increases gas discharge efficiency.
Another object of the present invention provides a kind of plasma light emitting panel that plasma is lighted voltage that reduces.
According to purpose of the present invention, the preferred embodiments of the present invention provide a kind of plasma light emitting panel that is used as the light source of a display floater, it includes first substrate with a first surface, one is arranged at second substrate of the top of this first surface, a plurality of electrode pairs that are arranged on this first surface, and a plurality of conductivity gap supporter, wherein respectively this electrode pair all includes one first electrode and one second electrode, and these conductivity gap supporters are arranged at respectively respectively on this first electrode and this second electrode respectively, are used for carrying out the subtend discharge and support this second substrate.
Because this first substrate and this second substrate are isolated in plasma light emitting panel utilization of the present invention respectively this conductivity gap supporter, when generation level between this first electrode and this second electrode is discharged, respectively more can produce the subtend discharge between this conductivity gap supporter accordingly, thereby can improve the discharging efficiency of this plasma luminescent panel.
In one embodiment, respectively this conductivity gap supporter all includes a spheroid or a polyhedron.
In one embodiment, respectively this conductivity gap supporter all includes a cylinder or a prism.
Description of drawings
Fig. 1 is the schematic perspective view of existing plasma light emitting panel;
Fig. 2 is the schematic perspective view of the plasma light emitting panel of first embodiment of the invention;
Fig. 3 is the front view of plasma light emitting panel shown in Figure 2;
Fig. 4 is the top view of metacoxal plate shown in Figure 2;
Fig. 5 is the top view of metacoxal plate of the plasma light emitting panel of second embodiment of the invention;
Fig. 6 is the top view of metacoxal plate of the plasma light emitting panel of third embodiment of the invention;
Fig. 7 is the schematic perspective view of metacoxal plate of the plasma light emitting panel of fourth embodiment of the invention;
Fig. 8 is the schematic perspective view of metacoxal plate of the plasma light emitting panel of fifth embodiment of the invention.
Description of reference numerals
10 plasma light emitting panels, 12 prebasal plates
14 metacoxal plates, 16 electrode pairs
18 electrodes, 20 electrodes
22 dielectric layers, 24 luminescent coatings
26 gap supporters, 30 plasma light emitting panels
32 prebasal plates, 34 metacoxal plates
36 electrode pairs, 38 electrodes
39 ledges, 40 electrodes
41 ledges, 42 conductivity gap supporters
44 conductivity gap supporter 46 dielectric layers
48 luminescent coatings, 50 conductivity gap supporters
52 conductivity gap supporter 54 electrode pairs
56 electrode 56a ledges
58 electrode 58a ledges
60 insulating barriers
Embodiment
Please refer to Fig. 2 to Fig. 4, Fig. 2 is the schematic perspective view of the plasma light emitting panel of first embodiment of the invention, and Fig. 3 is the front view of plasma light emitting panel shown in Figure 2, and Fig. 4 is the top view of metacoxal plate shown in Figure 2.As Fig. 2 and shown in Figure 3, a plasma luminescent panel 30 includes a prebasal plate 32, metacoxal plate 34 and a discharge gas (not shown) parallel and relative with prebasal plate 32 filled and sealed up for safekeeping between prebasal plate 32 and metacoxal plate 34.In addition, plasma light emitting panel 30 also includes a plurality of parallel electrode pairs 36 and is located on the surface of metacoxal plate 34, a plurality of conductivity gap supporter 42,44 is electrically connected on the electrode pair 36, one dielectric layer 46 is deposited on each electrode pair 36, and a luminescent coating 48 is formed at the downside surface of prebasal plate 32.In addition, plasma light emitting panel 30 also can include a reflector (not shown) and be deposited on the dielectric layer 46, and a luminescent coating (not shown) is formed on this reflector.
As shown in Figure 4, each electrode pair 36 all includes an electrode 38 and an electrode 40, the uper side surface of electrode 38 is provided with a plurality of conductivity gap supporter 42, the uper side surface of electrode 40 then is provided with a plurality of conductivity gap supporter 44, and each conductivity gap supporter 42 is respectively with respect to each conductivity gap supporter 44, in addition, the distance of two adjacent conductivity gap supporters 42 (or, two adjacent conductivity gap supporters 44) can be adjusted according to process technology limit or required discharging efficiency.Wherein, each conductivity gap supporter 42,44 all includes a spheroid, and it is used for separating prebasal plate 32 and metacoxal plate 34, and makes prebasal plate 32 and the metacoxal plate 34 can be at interval more than tens of microns (μ m), to provide this discharge gas enough discharge spaces.On the other hand, mode of connection between each conductivity gap supporter 42,44 and the electrode 38,40 has two kinds, first kind of mode is (for example: conductive silver glue), and then utilize artificial or machine adheres to each conductivity gap supporter 42,44 respectively on the electrode 38,40 earlier each conductivity gap supporter 42,44 to be stained with the conductivity adhesion coating.The second way is to make a plurality of openings of formation in a plurality of pedestals or the dielectric layer 46 above electrode 38 and electrode 40 on electrode 38 and the electrode 40 respectively, so that electrode 38 can be electrically connected with each conductivity gap supporter 42,44 with electrode 40, then, utilize artificial or machine that each conductivity gap supporter 42,44 is placed on respectively this opening in this pedestal respectively or the dielectric layer 46 again, via after the encapsulation, each conductivity gap supporter 42,44 just can be electrically connected on electrode 38,40 at last.In the present embodiment, each electrode 38 and 40 all includes chromium/copper/chromium, chromium/aluminium/chromium, aluminum metal or silver metal, each conductivity gap supporter 42 and 44 all is conductive stainless shots, and this discharge gas is neon (Ne), xenon (Xe) or the mist of neon and xenon.
It should be noted that because each conductivity gap supporter 42,44 directly is electrically connected on the electrode 38,40, so each conductivity gap supporter 42,44 can be considered the extension of electrode 38,40, being used for auxiliary electrode 38 discharges with electrode 40.In other words, when applying a discharge voltage, the one drive circuit (not shown) gives electrode 38 and electrode 40, so that generation level when discharge between electrode 38 and the electrode 40, this discharge voltage can produce subtend discharge (discharge of opposed electrodes) between each conductivity gap supporter 42 conductivity gap supporter 44 relative with it, lighting the plasma between each conductivity gap supporter 42,44, and produce UV-irradiation luminescent coating 48 and send visible light.
In addition, the metacoxal plate of plasma light emitting panel shown in Figure 4 is not unique structure of the present invention, next will go on to say the metacoxal plate structure of other embodiments of the invention.Please refer to Fig. 5, Fig. 5 is the top view of metacoxal plate of the plasma light emitting panel of second embodiment of the invention.As shown in Figure 5, the surface of metacoxal plate 34 is provided with a plurality of parallel electrode pairs 36, and each electrode pair 36 all has an electrode 38 and an electrode 40, and electrode 38 all respectively includes a plurality of ledges 39 and ledge 41 with electrode 40, and each ledge 39 is relative with each ledge 41 respectively, is used for lighting plasma.In addition, also include a plurality of conductivity gap supporter 42 on the surface of electrode 38, in the same manner, then also include a plurality of conductivity gap supporter 44 on the surface of electrode 40, and each conductivity gap supporter 42,44 all comprises a spheroid, and it is used for carrying out the subtend discharge and supports a prebasal plate (not shown) parallel and relative with metacoxal plate 34.In addition, as shown in Figure 5, each conductivity gap supporter 42,44 is located at the top of ledge 39,41 respectively, yet the present invention is not limited to this, and the position of each conductivity gap supporter 42,44 can be adjusted according to process technology limit or required discharging efficiency.
In the present embodiment, when the one drive circuit (not shown) applies a discharge voltage and gives electrode 38 with electrode 40, this discharge voltage can be lighted the plasma between ledge 39 and the ledge 41 earlier, and then, light all plasmas via the discharge of the subtend between two relative each conductivity gap supporter 42 and 44.It should be noted that, because the discharging gap between two opposing projections 39 and the ledge 41 is less, accordingly, be used for lighting plasma between two opposing projections 39 and the ledge 41 light voltage (firing voltage) just can be lower, that is to say, present embodiment can apply a lower discharge voltage and give electrode 38 and electrode 40, can light the plasma between ledge 39 and the ledge 41, that is to say, in plasma light emitting panel 30 of the present invention, meeting generation level is discharged between ledge 39 and ledge 41, more can produce the subtend discharge between conductivity gap supporter 42 and the conductivity gap supporter 44, thereby can increase discharging efficiency.Hence one can see that, and present embodiment not only has level discharge and subtend discharge simultaneously, more can reduce the voltage of lighting of plasma, thereby can improve discharging efficiency effectively.
Please refer to Fig. 6, Fig. 6 is the top view of metacoxal plate of the plasma light emitting panel of third embodiment of the invention.As shown in Figure 6, metacoxal plate 34 is provided with a plurality of parallel electrode pairs 36, and each electrode pair 36 all includes an electrode 38 and an electrode 40, and electrode 38 all respectively includes a plurality of ledges 39 and ledge 41 with electrode 40, to reduce the voltage of lighting of plasma.On the other hand, each ledge 39 all is V-shape with each ledge 41, and each ledge 41 is located between the two adjacent ledges 39, therefore make a ledge 41 simultaneously with respect to 39, one ledges 39 of two ledges then the while with respect to two ledges 41.In addition, also include a plurality of conductivity gap supporter 42 on the surface of electrode 38, in the same manner, then also include a plurality of conductivity gap supporter 44 on the surface of electrode 40, and each conductivity gap supporter 42,44 all includes a spheroid, and it is used for carrying out the subtend discharge and supports a prebasal plate (not shown) parallel and relative with metacoxal plate 34.In addition, as shown in Figure 6, each conductivity gap supporter 42,44 is located at the top of ledge 39,41 respectively, yet the present invention is not limited to this, and the position of each conductivity gap supporter 42,44 can be adjusted according to process technology limit or required discharging efficiency.
Please refer to Fig. 7, Fig. 7 is the schematic perspective view of metacoxal plate of the plasma light emitting panel of fourth embodiment of the invention.As shown in Figure 7, metacoxal plate 34 is provided with a plurality of parallel electrode pairs 36, and each electrode pair 36 all comprises an electrode 38 and an electrode 40.Wherein, the surface of electrode 38 is provided with a plurality of conductivity gap supporter 50, then is provided with a plurality of conductivity gap supporter 52 on the surface of electrode 40.In addition, each conductivity gap supporter 50,52 all is cylinders, and each conductivity gap supporter 50,52 is parallel each other and staggered, is used for carrying out the subtend discharge and supports a prebasal plate (not shown) parallel and relative with metacoxal plate 34.
Please refer to Fig. 8, Fig. 8 is the schematic perspective view of metacoxal plate of the plasma light emitting panel of fifth embodiment of the invention.As shown in Figure 8, metacoxal plate 34 is provided with an electrode pair 54, and the thickness h of electrode pair 54 is about more than the tens of micron (μ m), and it is used for carrying out the subtend discharge and supports a prebasal plate (not shown) parallel and relative with metacoxal plate 34.In addition, electrode pair 54 includes an electrode 56 with a plurality of ledge 56a, and an electrode 58 with a plurality of ledge 58a, and each ledge 56a and each ledge 58a are parallel to each other and interlaced.In addition, also include a plurality of insulating barriers 60 in the electrode pair 54, be used for linking each ledge 56a and electrode 58 and be used for linking each ledge 58a and electrode 56, but, insulating barrier 60 and inessential element, it also can omit.In the present embodiment, electrode 56 all includes a module electrodes with electrode 58, and electrode 56 can be two identical module electrodes or two different module electrodes with electrode 58.It is noted that,,, more can save processing step so present embodiment not only can increase discharging efficiency because therefore the function that the electrode pair 54 of present embodiment has the subtend discharge simultaneously and supports this prebasal plate can omit the step of making the gap supporter.
Be compared to prior art, plasma light emitting panel of the present invention utilizes conductivity gap supporter 42,44 and 50,52 to isolate prebasal plate 32 and metacoxal plate 34.The subtend discharge can be produced between each conductivity gap supporter 42 and 44 and between each conductivity gap supporter 50 and 52 accordingly, thereby the discharging efficiency of plasma light emitting panel can be increased.Moreover electrode 38,40 of the present invention also includes a plurality of ledges 39,41, and because the discharging gap between two opposing projections 39 and the ledge 41 is less, thereby can reduce the voltage of lighting of plasma, improves discharging efficiency further.On the other hand, the function that electrode pair 54 of the present invention has the subtend discharge simultaneously and isolates prebasal plate 32 and metacoxal plate 34, and can save processing step and improve discharging efficiency.
The above only is the preferred embodiments of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. plasma light emitting panel, it is used as the light source of a display floater, and this plasma luminescent panel includes:
One first substrate, it has a first surface;
One second substrate is arranged at the top of this first surface;
A plurality of electrode pairs, it extends on this first surface along a first direction, and wherein respectively this electrode pair all includes one first electrode and one second electrode; And
A plurality of conductivity gap supporter is arranged at respectively respectively on this first electrode and this second electrode respectively, is used for carrying out the subtend discharge and supports this second substrate.
2. plasma light emitting panel as claimed in claim 1, wherein respectively this first electrode all includes an elongate body with this second electrode respectively.
3. plasma light emitting panel as claimed in claim 2, wherein respectively this first electrode also includes a plurality of first ledges.
4. plasma light emitting panel as claimed in claim 3, wherein respectively this second electrode also includes a plurality of and the second relative ledge of this first ledge respectively.
5. plasma light emitting panel as claimed in claim 4, wherein respectively this first ledge all is long strip type with this second ledge respectively.
6. plasma light emitting panel as claimed in claim 4, wherein respectively this first ledge all is V-shape with this second ledge respectively.
7. plasma light emitting panel as claimed in claim 1, wherein respectively this conductivity gap supporter all includes a spheroid or a polyhedron.
8. plasma light emitting panel as claimed in claim 1, wherein respectively this conductivity gap supporter all includes a cylinder or a prism.
9. plasma light emitting panel as claimed in claim 8, wherein respectively these conductivity gap supporters on this first electrode are parallel and staggered with these conductivity gap supporters on this second electrode respectively.
10. plasma light emitting panel as claimed in claim 1, wherein this display floater includes a display panels.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031474845A CN1310273C (en) | 2003-07-14 | 2003-07-14 | Plasma luminous panel |
| CNB2007100849348A CN100538972C (en) | 2003-07-14 | 2003-07-14 | Plasma light emitting panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031474845A CN1310273C (en) | 2003-07-14 | 2003-07-14 | Plasma luminous panel |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100849348A Division CN100538972C (en) | 2003-07-14 | 2003-07-14 | Plasma light emitting panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1571104A CN1571104A (en) | 2005-01-26 |
| CN1310273C true CN1310273C (en) | 2007-04-11 |
Family
ID=34471955
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100849348A Expired - Fee Related CN100538972C (en) | 2003-07-14 | 2003-07-14 | Plasma light emitting panel |
| CNB031474845A Expired - Fee Related CN1310273C (en) | 2003-07-14 | 2003-07-14 | Plasma luminous panel |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100849348A Expired - Fee Related CN100538972C (en) | 2003-07-14 | 2003-07-14 | Plasma light emitting panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN100538972C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH038801A (en) * | 1989-06-05 | 1991-01-16 | Wacoal Corp | Panty stocking |
| CN2107064U (en) * | 1990-07-21 | 1992-06-10 | 三星电管株式会社 | Flat-type cold cathode fluorescent lamp |
| US5420707A (en) * | 1992-04-21 | 1995-05-30 | Sony Corporation | Plasma addressing electro-optical device with wall surface plasma electrodes |
| CN1412814A (en) * | 2001-10-12 | 2003-04-23 | 翰立光电股份有限公司 | Plane fluorescent lamp |
-
2003
- 2003-07-14 CN CNB2007100849348A patent/CN100538972C/en not_active Expired - Fee Related
- 2003-07-14 CN CNB031474845A patent/CN1310273C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH038801A (en) * | 1989-06-05 | 1991-01-16 | Wacoal Corp | Panty stocking |
| CN2107064U (en) * | 1990-07-21 | 1992-06-10 | 三星电管株式会社 | Flat-type cold cathode fluorescent lamp |
| US5420707A (en) * | 1992-04-21 | 1995-05-30 | Sony Corporation | Plasma addressing electro-optical device with wall surface plasma electrodes |
| CN1412814A (en) * | 2001-10-12 | 2003-04-23 | 翰立光电股份有限公司 | Plane fluorescent lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1571104A (en) | 2005-01-26 |
| CN100538972C (en) | 2009-09-09 |
| CN101004999A (en) | 2007-07-25 |
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