CN1290141C

CN1290141C - Plasma display structure

Info

Publication number: CN1290141C
Application number: CN 03147440
Authority: CN
Inventors: 蔡宗光; 苏耀庆
Original assignee: AU Optronics Corp
Current assignee: AU Optronics Corp
Priority date: 2003-07-10
Filing date: 2003-07-10
Publication date: 2006-12-13
Anticipated expiration: 2023-07-10
Also published as: CN1567515A

Abstract

The present invention relates to a plasma display structure which comprises an upper glass base plate, a lower glass base plate, a plurality of auxiliary electrodes, a plurality of extension electrodes and a plurality of blocking walls, wherein the sliver-shaped auxiliary electrode is arranged on the upper glass base plate, and the extension electrode is connected with the auxiliary electrode. In addition, the blocking walls are arranged in parallel, the blocking wall comprises a plurality of straight line segments, and the adjacent straight line segments are arranged on the lower glass base plate in a zigzag mode. The structure improves display brightness and luminous efficiency through effectively increasing spatial discharge effects.

Description

Plasma display panel structure

Technical field

The present invention relates to a kind of plasma display panel structure, be specifically related to a kind ofly, can improve the plasma display panel structure of brightness and luminous efficiency by tortuous barrier rib is set.

Background technology

Plasma scope (Plasma Display Panel is called for short PDP) is a kind of slim display, and its main characteristic is to accomplish the screen of oversize, ultrathin, to save a large amount of screen spaces.The principle of luminosity and the fluorescent lamp of plasma scope are similar, it is inert gas injecting in the vacuum glass groove, make inert gas generation plasma effect and emit ultraviolet ray with the voltage pressing mode, this moment, ultraviolet ray shone the fluorescent material of coating on the glass guide channel wall surface again, can make fluorescent material inspire redness, green or blue visible light.

So, the screen of plasma scope can combine by luminous voluntarily unit by hundreds thousand of, each flat light emission comprises the tiny bulb of three kinds of colors of red, green, blue (R, G, B) again, make up cleverly and produce different colors via three primary colors, formed the picture that we saw then.

Please refer to Fig. 1, it shows the schematic diagram of existing plasma scope 10.The structure of existing plasma scope 10 mainly is made of a top glass substrate 12 that be arranged in parallel and a lower glass substrate 14, and have a gap between the upper and lower glass substrate 12,14, charge into inert gas (as: Ne, Xe) to form a discharge space 16.Top glass substrate 12 surfaces are provided with many group transverse electrodes, each group transverse electrode includes one first to be kept electrode (sustaining electrode) 18 and 1 second and keeps electrode 20, and first, second is kept

electrode

18,20 and all includes an extension electrode 181,201 and an auxiliary electrode (bus electrode) 182,202 separately.In addition, include a dielectric layer 24 on top glass substrate 12 surfaces and cover transverse electrode, and a protective layer 26 covers dielectric layer 24.

Lower glass substrate 14 is provided with a plurality of barrier ribs (barrier rib) 28, be arranged at abreast on lower glass substrate 14 surfaces, be used for discharge space 16 is separated into a plurality of discharge space groups, wherein each discharge space group is defined as and includes a red discharge space 16R, a green discharge space 16G and a blue discharge space 16B.In addition, plasma scope 10 also comprises a plurality of vertical above-mentioned first and keeps the longitudinal electrode that electrode 18 and second is kept electrode 20, be arranged on lower glass substrate 14 surfaces between two barrier ribs 28, be used as addressing electrode (address electrode) 22.

In addition, a red fluorescence layer 29R coats on the interior lower glass substrate of red discharge space 16R 14 surfaces and barrier rib 28 sidewalls; One green fluorescence layer 29G coats on the interior lower glass substrate of green discharge space 16G 14 surfaces and barrier rib 28 sidewalls; One blue fluorescent body 29B coats on the interior lower glass substrate of blue discharge space 16B 14 surfaces and barrier rib 28 sidewalls.

The working method of existing plasma scope 10 is to feed a driving voltage between electrode, utilize high voltage that the inert gases in the discharge space 16 are dissociated and produce ultraviolet light, then ultraviolet light can be beaten on red, green, blue fluorescent body 29R, 29G, 29B, to send red, blue, green three kinds of colors that common people can see, three primary colors are after different proportion mixes, and visible light is conveyed in common people's the sight line via top glass substrate 12.

Please consult Fig. 2 simultaneously, the partial top view of existing plasma display panel structure in Fig. 2 presentation graphs 1.A plurality of barrier ribs 28 are strip structures, and be arranged on the lower glass substrate 14 in the mode that is parallel to each other, wherein as shown in Figure 2, keep electrode 18 and second first and keep formation one main light emitting 161 between electrode 20 and adjacent two barrier ribs 28, by the generation ultraviolet light that dissociates of the inert gases in the discharge space 16, beat on the fluorescence coating 29 on lower glass substrate 14 and barrier rib 28 surfaces and luminous.

Yet the scope that existing barrier rib 28 structures can be accepted ultraviolet irradiation is left and right sides wall only, so its luminosity is limited; In addition, adopt barrier rib 28 designs of traditional strip, the ionized gas that is easy to generate discharge is crossed over (cross talk) phenomenon to adjacent light-emitting zone 161, so will form the interference between display unit (cell), and then influence the display quality of plasma scope 10.

Summary of the invention

Main purpose of the present invention is to provide a kind of plasma display panel structure, wherein a plurality of barrier ribs are made up of a plurality of straightway respectively, and adjacent straightway is arranged on the lower glass substrate in the mode of complications, can provide a brightness better and can improve the plasma scope of luminous efficiency by this.

The present invention is a kind of plasma display panel structure, comprises a top glass substrate, a lower glass substrate, a plurality of auxiliary electrode, a plurality of extension electrode and a plurality of barrier rib.Wherein, auxiliary electrode is arranged on the top glass substrate, and is connected with extension electrode.Above-mentioned barrier rib is arranged on the lower glass substrate abreast, and each barrier rib is made up of a plurality of straightway respectively, and adjacent straightway is arranged on the lower glass substrate in the mode of complications.Wherein, above-mentioned adjacent straightway angle is greater than 0 degree and less than 180 degree.

Again, above-mentioned barrier rib comprises one first straightway, one second straightway and one the 3rd straightway at least, and wherein second straightway connects first straightway and the 3rd straightway, and the 3rd straightway is parallel with first straightway again.

Wherein, plasma display panel structure of the present invention also comprises a fluorescence coating, is arranged at the surface of these barrier ribs.

In a preferred embodiment, above-mentioned extension electrode is a T shape electrode, and is parallel to the extension of barrier rib wall direction.

In a preferred embodiment, above-mentioned extension electrode comprises a protuberance, and is parallel to the extension of barrier rib wall direction.

In addition, in another preferred embodiment, above-mentioned straightway equals the distance of adjacent two auxiliary electrodes in the length of vertical auxiliary electrode direction.

The present invention is by the mode of barrier rib with complications is arranged on the lower glass substrate, be compared to the barrier rib design of existing strip, can increase light-emitting area and brightness, and can reduce the interference that is produced because of the ionized gas leap, and provide a brightness better by this, and can significantly improve the plasma scope of luminous efficiency.

Further, by panel structure of plasma display of the present invention, not only can effectively improve the space discharge effect and improve display brightness and luminous efficiency, but it is also quite big to keep the working range of pulse voltage simultaneously, can be easier to actual application.

Yet for above-mentioned purpose of the present invention, feature and advantage can be become apparent more, cited below particularlyly go out a preferred embodiment, and conjunction with figs., be described in detail below.

Description of drawings

Fig. 1 represents the schematic diagram of existing plasma display panel structure;

Fig. 2 represents the partial top view of existing plasma display panel structure;

Fig. 3 represents the partial top view of first embodiment of the invention ionic medium volumetric display structure;

Fig. 4 represents the partial top view of second embodiment of the invention ionic medium volumetric display structure;

Fig. 5 represents the partial top view of third embodiment of the invention ionic medium volumetric display structure;

Fig. 6 represents the partial top view of fourth embodiment of the invention ionic medium volumetric display structure.

Description of reference numerals

10 plasma scopes, 12 top glass substrate

14 lower glass substrate, 16 discharge spaces

The green discharge space of the red discharge space 16G of 16R

Blue discharge space 161 light-emitting zones of 16B

162 light-emitting zones 18 first are kept electrode

181 extension electrodes, 182 auxiliary electrodes

183 extension electrodes, 184 extension electrodes

20 second keep electrode 201 extension electrodes

202 auxiliary electrodes, 203 extension electrodes

22 addressing electrodes, 24 dielectric layers

26 protective layers, 28 barrier ribs

29R red fluorescence layer 29G green fluorescence layer

29B blue fluorescent body 30 barrier ribs

301 first straightways, 302 second straightways

303 the 3rd straightways 304 the 4th straightway

The L aid electrode distance

Embodiment

First embodiment

At first see also Fig. 3, the figure shows the partial top view of first embodiment of the invention ionic medium volumetric display structure.As shown in the figure, the present invention is directed to existing plasma display panel structure is improved, wherein the auxiliary electrode 182,202 of extension electrode 181,201 and strip is arranged at top glass substrate 12, and different with existing plasma scope 10 be that the barrier rib 30 that is provided with a plurality of complications in the present invention is on lower glass substrate 14.

As shown in Figure 3, wherein above-mentioned barrier rib 30 is made up of a plurality of straightway, comprising first straightway 301, second straightway 302, the 3rd straightway 303 and the 4th straightway 304 that are connected arbitrarily; Again, above-mentioned two adjacent straightways arbitrarily have an angle greater than 0 degree and less than 180 degree; That is, adjacent two straightways are connected but are not parallel.

In addition, first straightway 301 and the 3rd straightway 303 at interval, and 304 of second straightway 302 and the 4th straightways are for being parallel to each other.In addition, 30 of above-mentioned a plurality of barrier ribs are arranged on the lower glass substrate 14 abreast.

So, between adjacent two barrier ribs 30, can form the discharge space of complications; Wherein, above-mentioned each organize between horizontal auxiliary electrode 182,202 and the adjacent barrier rib 30 and then form a light-emitting zone 162.As shown in the figure, by the barrier rib 30 that oblique complications are set, the light-emitting area of fluorescence coating will increase on barrier rib 30 walls that ultraviolet light can shine, and can produce the bigger light-emitting zone of an area 162, and then improve the brightness and the luminous efficiency of plasma scope.

In addition, by barrier rib 30 designs that oblique complications are set, can lower ionized gas and cross over the probability of (crosstalk) mutual adjacent light-emitting zone 162, under existing strip barrier rib is compared, can effectively lower the interference between the display unit (cell), and can improve operating voltage range by this, and then improve the display quality of plasma scope.

Second embodiment

Then see also Fig. 4, the figure shows the partial top view of second embodiment of the invention ionic medium volumetric display structure.As shown in Figure 4, wherein above-mentioned barrier rib 30 is made up of a plurality of straightway, comprising first straightway 301, second straightway 302, the 3rd straightway 303 and the 4th straightway 304 that are connected arbitrarily; Again, above-mentioned two adjacent straightways arbitrarily have an angle greater than 0 degree and less than 180 degree; That is, adjacent two straightways are connected but are not parallel.

In the present embodiment, T font extension electrode 183,203 is connected with one group of horizontal auxiliary electrode 182,202 respectively, and be parallel to barrier rib 30 walls and extend in opposite directions, by the extension electrode 183,203 that above-mentioned T font is set and the barrier rib 30 of oblique complications, one can increase electrode discharge efficient, and can lower the interference that ionized gas leap (cross talk) is produced, effectively improve operating voltage range by this, and then improve the display quality of plasma scope.

The 3rd embodiment

Then see also Fig. 5, the figure shows the partial top view of third embodiment of the invention ionic medium volumetric display structure.What be different from above-mentioned first and second embodiment is, the auxiliary electrode 182 of horizontal expansion in the present embodiment is one to share form, and wherein each auxiliary electrode 182 connects a horizontal expansion electrode 184 respectively.

As shown in Figure 5, wherein above-mentioned barrier rib 30 is made up of a plurality of straightway, comprising first straightway 301, second straightway 302, the 3rd straightway 303 and the 4th straightway 304 that are connected arbitrarily; Again, above-mentioned two adjacent straightways arbitrarily have an angle greater than 0 degree and less than 180 degree; That is, adjacent two straightways are connected but are not parallel.

As shown in the figure, the spacing L of wherein adjacent auxiliary electrode 182 equals the length of above-mentioned straightway in vertical these auxiliary electrode 182 directions; By sharing the barrier rib 30 that auxiliary electrode 182 cooperates oblique complications in the present embodiment, can lower ionized gas and cross over the interference that (cross talk) produced, and can improve operating voltage range, and then improve the display quality of plasma scope.

The 4th embodiment

Then see also Fig. 6, the figure shows the partial top view of fourth embodiment of the invention ionic medium volumetric display structure.As above-mentioned the 3rd embodiment, the auxiliary electrode 182 of horizontal expansion is a shared form; Especially, wherein each auxiliary electrode 182 connects a plurality of extension electrodes with protuberance 185 respectively, and wherein above-mentioned protuberance 185 is parallel to barrier rib 30 wall directions and extends.

Wherein, as shown in Figure 6, above-mentioned barrier rib 30 is made up of a plurality of straightway, comprising first straightway 301, second straightway 302, the 3rd straightway 303 and the 4th straightway 304 that are connected arbitrarily; Again, above-mentioned two adjacent straightways arbitrarily have an angle greater than 0 degree and less than 180 degree; That is, adjacent two straightways are connected but are not parallel.

As shown in the figure, the spacing L of wherein adjacent auxiliary electrode 182 equals the length of above-mentioned straightway in vertical these auxiliary electrode 182 directions; The extension electrode that has protuberance 185 by setting of the present invention, and cooperate the barrier rib 30 of oblique complications, can increase electrode discharge efficient, lower the interference that is produced because of ionized gas leap (crosstalk) and improve operating voltage range, and then improve the display quality of plasma scope.

In sum, barrier rib 30 of the present invention is made up of a plurality of straightway respectively, and adjacent straightway is arranged on the lower glass substrate 14 in the mode of complications; Be compared to the barrier rib design of existing strip, not only can increase light-emitting area and brightness, and can reduce because of ionized gas and cross over the interference that is produced, effectively improve operating voltage range.In addition, shown in above-mentioned embodiment, the present invention also can cooperate various electrode setting modes, provides a brightness better by this, and can significantly improve the plasma scope of luminous efficiency.

Though the present invention discloses as above in conjunction with the preferred embodiments; so it is not to be used for limiting scope of the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; can do a little change and retouching, so protection scope of the present invention is with being as the criterion that claim was defined.

Claims

1. plasma display panel structure comprises:

One top glass substrate;

A plurality of strip auxiliary electrodes are arranged on this top glass substrate abreast;

A plurality of extension electrodes connect this a plurality of auxiliary electrodes;

One lower glass substrate;

A plurality of barrier ribs are arranged on this lower glass substrate abreast, and form discharge space between the two adjacent parallel barrier ribs, and these a plurality of barrier ribs comprise a plurality of straightways respectively again, and these adjacent a plurality of straightway angles are greater than 0 degree and less than 180 degree.

2. plasma display panel structure as claimed in claim 1, wherein these a plurality of barrier ribs comprise one first straightway, one second straightway and one the 3rd straightway, wherein this second straightway connects this first straightway and the 3rd straightway, and the 3rd straightway is parallel with this first straightway again.

3. plasma display panel structure as claimed in claim 1, wherein these a plurality of extension electrodes are T font electrode, and are parallel to this a plurality of barrier rib wall directions extensions.

4. plasma display panel structure as claimed in claim 1, wherein these a plurality of extension electrodes comprise a protuberance, and are parallel to this a plurality of barrier rib wall directions extensions.

5. plasma display panel structure as claimed in claim 1, wherein these a plurality of straightways equal the distance of these adjacent two auxiliary electrodes in the length of vertical these a plurality of auxiliary electrode directions.

6. plasma display panel structure as claimed in claim 1, wherein this plasma display device structure also comprises an addressing electrode, is arranged on this lower glass substrate.

7. plasma display panel structure as claimed in claim 1, wherein this plasma display device structure also comprises a fluorescence coating, is arranged at the surface of these a plurality of barrier ribs.

8. plasma display panel structure as claimed in claim 1, wherein this plasma display device structure also comprises a dielectric layer, covers this auxiliary electrode and this extension electrode.

9. plasma display panel structure as claimed in claim 8, wherein this plasma display device structure also comprises a protective layer, covers this dielectric layer.