CN1308990C - AC plasma display panel - Google Patents
AC plasma display panel Download PDFInfo
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- CN1308990C CN1308990C CNB2004100396768A CN200410039676A CN1308990C CN 1308990 C CN1308990 C CN 1308990C CN B2004100396768 A CNB2004100396768 A CN B2004100396768A CN 200410039676 A CN200410039676 A CN 200410039676A CN 1308990 C CN1308990 C CN 1308990C
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Abstract
The present invention relates to a structure of an AC plasma display panel, which comprises a back plate, a plurality of auxiliary pixel areas separated by a plurality of closed partition wall areas, a front plate relative to the back plate and positioned on the back plate and a plurality of maintain electrodes, wherein the auxiliary pixel areas are arranged on the back plate in a triangular pixel arrangement mode; the maintain electrodes comprise a plurality of auxiliary electrodes and a plurality of extending electrodes arranged on a face of the front plate relative to the back plate, and the extending electrodes extend along a first direction and are in parallel with each other. The extending electrodes extend to the auxiliary pixel area from the auxiliary electrodes, relative to the adjacent extending electrode of the adjacent maintain electrodes, and form a discharge gap in the auxiliary pixel areas. Each extending electrode has at least one corresponding connection electrode connected with the adjacent extending electrode.
Description
Technical field
The present invention relates to a kind of AC type plasma displaying panel, particularly the structure of a kind of sparking electrode of AC type plasma displaying panel and barrier rib.
Background technology
Plasma display (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 display 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 fluorescence material of coating on the glass guide channel wall surface, can make the fluorescence material inspire redness, green or blue visible light.So, the screen of plasma display 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 display 10.The structure of existing plasma display 10 mainly is made of a top glass substrate 12 that be arranged in parallel and a lower glass substrate 14, and has a gap between the upper and lower glass substrate 12,14, charges 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.
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 mode of operation of existing plasma display 10, in between electrode, feed a driving voltage, for example in first, second keeps electrode 18,20 apply voltage, it can form a plasma between two electrodes in discharge space 16, and along with the increase that applies voltage, its isoionic scope can be extended to first, second keeps electrode 18,20 position, so utilize high voltage that the inert gases in the discharge space 16 are dissociated and produce ultraviolet light, then ultraviolet light can be beaten in redness, green, blue fluorescent body 29R, 29G, on the 29B, to send red that common people can see, blue, green three kinds of colors, 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 structure of plasma display device in Fig. 2 presentation graphs 1.A plurality of barrier ribs 28 are a strip structure, 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 162, so will form the interference between display unit (cell), and then influence the display quality of plasma display 10.
United States Patent (USP) discloses a kind of electrode design of novel AC type plasma displaying panel for No. 6376987, its utilization has the sparking electrode (row electrode) that has continuous main part (bodyportion) in discharge spacing (discharge gap) position, cause the change of flash-over characteristic with the self extension (projecting portion) of avoiding sparking electrode because of site error, and can improve traditional too low shortcoming of line style sparking electrode discharging efficiency.But the design of self sparking electrode is if open circuit, then can therefore produce point defect (point defect), cause the decline of qualification rate, and the self sparking electrode is had relatively high expectations at alignment accuracy, easily cause the change of flash-over characteristic, and the sparking electrode with continuous main part (bodyportion) can cause adjacent secondary pixel region to interact and make the shortcoming that operating voltage range diminishes.
Summary of the invention
In view of this, in order to address the above problem, the object of the present invention is to provide a kind of its formation sealing discharge space of enclosed shape barrier wall structure with rounded projections arranged, and it keeps electrode (sustainelectrode), has a junction branch (connected portion), can connect in any position of two adjacent independent sparking electrodes, because its auxiliary electrode opens circuit and causes point defect, and the sealing hexagon discharge space structure of its rounded projections arranged that provides also has preferred discharging efficiency to prevent.Suitable live width is designed in the coupling part in addition, not influence operating voltage range size (operation margin).
For reaching above-mentioned purpose, the present invention provides a kind of structure of AC type plasma displaying panel in addition, have two a relative back plate and header boards, be provided with a plurality of sealing barrier ribs between back plate and header board and separate into the plain zone of a plurality of secondary images, a plurality of electrodes of keeping are arranged on the face of header board with respect to the back plate, roughly prolonging a first direction extends, each is kept electrode and comprises: an auxiliary electrode, a plurality of extension electrodes, extend to the plain zone of corresponding secondary image and a plurality of connection electrode by this auxiliary electrode, each extension electrode has the connection electrode of at least one correspondence to connect adjacent extension electrode, and wherein these connection electrode are adjacent to this auxiliary electrode.
For reaching above-mentioned purpose, the present invention provides a kind of structure of AC type plasma displaying panel in addition.A plurality of sealing barrier ribs separate into the plain regional arrangement mode with a triangular pixel of a plurality of secondary images and are arranged on the back plate.One header board is positioned on the plate of back.A plurality of electrodes of keeping are arranged on the face of header board with respect to the back plate, roughly prolonging a first direction extends, wherein each is kept electrode and comprises an auxiliary electrode, a plurality of extension electrode, extend to the plain zone of corresponding secondary image and a plurality of connection electrode by auxiliary electrode, each extension electrode has the connection electrode of at least one correspondence to connect adjacent extension electrode, and auxiliary electrode comprises that a plurality of extensions prolong a second direction and extend on corresponding barrier rib, and wherein these connection electrode are adjacent to this auxiliary electrode.
For above and other objects of the present invention, feature and advantage can be become apparent, several preferred embodiments cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 shows the schematic diagram of existing plasma display;
Fig. 2 represents the partial top view of existing structure of plasma display device;
Fig. 3 A shows the plane graph of first embodiment of the invention barrier rib and electrode structure;
Fig. 3 B shows among Fig. 3 A of the present invention profile along 3b-3b ';
Fig. 4 shows the plane graph of another electrode structure of first embodiment of the invention;
Fig. 5 shows the plane graph of the another electrode structure of first embodiment of the invention;
Fig. 6 shows the first embodiment of the invention plane graph of an electrode structure again;
Fig. 7 shows the first embodiment of the invention plane graph of another electrode structure again;
Fig. 8 shows among Fig. 9 of the present invention profile along 8-8 ';
Fig. 9 shows the plane graph of second embodiment of the invention barrier rib and electrode structure;
Figure 10 shows the plane graph of another electrode structure of second embodiment of the invention;
Figure 11 shows the plane graph of third embodiment of the invention barrier rib and electrode structure;
Figure 12 shows the plane graph of another electrode structure of third embodiment of the invention.
Description of reference numerals
Prior art
10 existing plasma display 12 top glass substrate
14 lower glass substrate, 16 discharge spaces
18 first keep electrode 20 second keeps electrode
181,201 extension electrodes, 182,202 auxiliary electrodes
24 dielectric layers, 26 protective layers
The red discharge space of 28 barrier rib 16R
The blue discharge space of the green discharge space 16B of 16G
22 addressing electrode 29R red fluorescence layers
29G green fluorescence layer 29B blue fluorescent body
161 main light emitting, 162 adjacent light-emitting zones
The technology of the present invention:
First embodiment
302 hexagon barrier ribs, 304 R discharge spaces
306 G discharge spaces, 308 B discharge spaces
310 auxiliary electrodes, 312 extension electrodes
314 connection electrode, 382 back plates
384 barrier ribs, 386 top glass substrate
390 fluorescence coatings, 392 dielectric layers
502 connection electrode, 504 extension electrodes
506 auxiliary electrodes, 508 auxiliary electrodes, second limit
602,604 liang of adjacent extension electrode 606 connection electrode
Extension electrode 702 extension electrodes of 608 another sides
The zone 706 of 704 nearly auxiliary electrodes is away from the zone of auxiliary electrode
708 connection electrode
Second embodiment
800 back plate 802 barrier ribs
804 top glass substrate, 814 fluorescence coatings
816 dielectric layers, 818 gaps
902 hexagon barrier ribs, 904 R discharge spaces
906 G discharge spaces, 908 B discharge spaces
910 auxiliary electrodes, 912 extension electrodes
914 connection electrode, 916 extensions
352 extension electrodes, 354 connection electrode
356 auxiliary electrodes, 358 extensions
The 3rd embodiment
452 hexagon barrier ribs, 454 R discharge spaces
456 G discharge spaces, 458 B discharge spaces
460 auxiliary electrodes, 462 extension electrodes
552 extension electrodes, 554 connection electrode
Embodiment
The invention provides a kind of structure of keeping electrode, can avoid taking place because of the auxiliary electrode broken string causes the problem of point defect.This keeps electrode and is made of the auxiliary electrode of high conductivity, transparent extension electrode and the connection electrode that further connects adjacent extension electrode basically.In the first following embodiment, the various correspondence positions of connection electrode and extension electrode will be described in detail, in a second embodiment, also further comprise the keep electrode structure of extension with describing in detail from the extension of auxiliary electrode, in the 3rd embodiment, be the electrode structure of keeping of crooked shape with describing auxiliary electrode in detail.
First embodiment
Please be simultaneously with reference to Fig. 3 A and Fig. 3 B, Fig. 3 A shows the plane graph of first embodiment of the invention barrier rib and electrode structure, among Fig. 3 B displayed map 3A along the profile of 3b-3b '.
A plurality of barrier ribs 302 are arranged on the plate 382 of back with the arrangement mode of a triangular pixel, separate into the plain zone of a plurality of secondary images, and the plain zone of this secondary image can be polygon or circle, and it is a hexagon in this preferred embodiment.Thereafter plate 382 is preferably a glass substrate.In a preferred embodiment of the invention, the arrangement mode of its triangular pixel is according to three primary colors＜R, G, B 〉, the hexagon barrier rib is arranged in R discharge space 304, G discharge space 306 and the B discharge space 308 that triangle is formed with one, and its barrier rib 384 is preferably and is divided into two kinds of colors of levels, the upper strata is that black is to increase the contrast of picture, and but lower floor is the white reflect visible light, and to increase the brightness of picture, preferred barrier rib 384 highly is 100 μ m～180 μ m.
Please be simultaneously with reference to Fig. 3 A and Fig. 3 B, a top glass substrate 386 is with respect to lower glass substrate 382 and be positioned on the lower glass substrate 382.386 are provided with and a plurality ofly extend and auxiliary electrode 310 parallel to each other along a directions X on top glass substrate.Its auxiliary electrode 310 can be the vertical bar shape, and is made up of chromium/copper/chromium (Cr/Cu/Cr) or silver-colored Ag.In addition, a plurality of extension electrodes 312 electrically connect with auxiliary electrode and are extended along the Y direction by auxiliary electrode 310, and in this preferred embodiment, its extension electrode 312 is a rectangle, and are the transparency electrode by ITO constituted.Connection electrode 314 is preferably ITO and constitutes, and connects adjacent extension electrode 312 and be electric connection along directions X, and wherein the connection electrode width is preferably 0.1 μ m～45 μ m.Shown in Fig. 3 B, the Plasmia indicating panel structure comprises that still a fluorescence coating 390 is arranged on the barrier rib 384, and comprises that a dielectric layer 392 covers auxiliary electrode 310, extension electrode 312 and connection electrode 314.
As shown in Figure 4, the position of connection electrode 402 can also connect adjacent extension electrode 404 by extension electrode 404 close discharge spacings 408 places of rectangle.As shown in Figure 5, connection electrode 502 can also be close to the adjacent extension electrode 508 of position connection of auxiliary electrodes 506 by the extension electrode 504 of rectangle.Connection electrode can be arranged on any position of extension electrode both sides in addition, connects adjacent extension electrode.As shown in Figure 6, wherein two adjacent extension electrodes 602,604 connect via connection electrode 606 each other, and the extension electrode 608 that connects adjacent extension electrode 602 and connection electrode 604 its another sides of discord of 604 is connected.So two adjacent extension electrodes 602 are connected extension electrode with 604 for one group via connection electrode 606 formation.Principle can have a plurality of extension electrodes to form one group of extension electrode according to this in addition.Easy speech, extension electrode is formed many groups with connection electrode and is connected extension electrode, and the extension electrode of each group connection extension electrode has corresponding connection electrode and joins in twos, and between the adjacent connection extension electrode connection electrode is not set.
As shown in Figure 7, extension electrode 702 also can comprise that the zone 704 and of a nearly auxiliary electrode that is parallel to the Y direction is parallel to a zone 706 away from auxiliary electrode of directions X for a T font and T font.One connection electrode 708 is connected adjacent extension electrode via the zone 704 of the nearly auxiliary electrode of T font with intersection away from the zone 706 of auxiliary electrode.Connection electrode 708 also can be in any position corresponding to extension electrode 702 sides in addition, connects adjacent extension electrode 702 as the zone 704 of nearly auxiliary electrode or away from 706 places, zone of auxiliary electrode.
Connection electrode in above-described three embodiment can form simultaneously with auxiliary electrode, also can form simultaneously with extension electrode.Generally speaking, when making header board, the material of ground floor conductive layer is generally transparent material, indium tin oxide (ITO) for example, and the material of second layer conductive layer is generally metal material, for example CT/Cu/Cr, Al, Cr/AI/Cr, Ag, vice versa.
Second embodiment
Please be simultaneously with reference to Fig. 9 and Fig. 8, Fig. 9 shows the plane graph of second embodiment of the invention barrier rib and electrode structure, Fig. 8 shows among Fig. 9 of the present invention profile along 8-8 '.
A plurality of hexagon barrier ribs 902 are arranged on the plate 800 of back with the arrangement mode of a triangular pixel, and plate 800 is preferably a glass substrate thereafter.In a preferred embodiment of the invention, the arrangement mode of its triangular pixel is according to three primary colors＜R, G, B 〉, the hexagon barrier rib is arranged in R discharge space 904, G discharge space 906 and the B discharge space 908 that triangle is formed with one, and its barrier rib 902 is preferably and is divided into two kinds of colors of levels, the upper strata is that black is to increase the contrast of picture, and but lower floor is the white reflect visible light, and to increase the brightness of picture, preferred barrier rib 902 highly is 100 μ m～180 μ m.
Please be simultaneously with reference to Fig. 8 and Fig. 9, one top glass substrate 804 is relative with lower glass substrate 800, top glass substrate 804 is provided with a plurality of along directions X extension and auxiliary electrode 910 parallel to each other, and its auxiliary electrode 910 is preferably chromium/copper/chromium (Cr/Cu/Cr) or silver-colored Ag forms.In addition, a plurality of extension electrodes 912 are extended by auxiliary electrode 910 upper edge Y directions, and in this preferred embodiment, its extension electrode 912 is a T shape, and are the transparency electrode by ITO constituted.A plurality of connection electrode 914 connect each extension electrode 912 along directions X.Each auxiliary electrode 910 is positioned at and includes a plurality of extensions 916 on the side barrier rib of hexagon barrier rib 902 and extend along the Y direction.As shown in Figure 8, the Plasmia indicating panel structure comprises that still one is arranged at the fluorescence coating 814 on the barrier rib 802 and covers the dielectric layer 816 and the extension electrode 912 of auxiliary electrode 910.Wherein dielectric layer 816 because of its topographical elevation difference, can produce a gap 818 when covering auxiliary electrode 910 and metal electrode 914, avoids adjacent pair pixel influence each other (cross-talk) by this.
As shown in figure 10, its extension electrode 352 can be a rectangle, and a plurality of connection electrode 354 connects adjacent extension electrode 352.Be positioned at two adjacent extension electrodes 352 and a plurality of extensions 358 that extended along the Y direction by auxiliary electrode 356 arranged corresponding to hexagon barrier rib place.The material of auxiliary electrode 356 and extension 358 is preferably chromium/copper/chromium (Cr/Cu/Cr) or silver-colored Ag forms.
The 3rd embodiment
As shown in figure 11, a plurality of hexagon barrier ribs 452 are arranged on the plate of back with the arrangement mode of a triangular pixel, and plate is preferably a glass substrate thereafter.In a preferred embodiment of the invention, the arrangement mode of its triangular pixel is according to three primary colors＜R, G, B 〉, the hexagon barrier rib is arranged in R discharge space 454, G discharge space 456 and the B discharge space 458 that triangle is formed with one, and its barrier rib 452 is preferably and is divided into two kinds of colors of levels, the upper strata is that black is to increase the contrast of picture, and but lower floor is the white reflect visible light, and to increase the brightness of picture, preferred barrier rib 452 highly is 100 μ m～180 μ m.
In addition, a plurality of auxiliary electrodes 460 are arranged on the top glass substrate, and forming curved district's shape (zigzag) is optimal way with the barrier rib alteration of form.In this preferred embodiment, its extension electrode 462 is a T shape, and is the transparency electrode by ITO constituted.In addition, the Plasmia indicating panel structure comprises that still a fluorescence coating is arranged at the barrier rib sidewall, and a dielectric layer covers auxiliary electrode 460 and extension electrode 462.As shown in figure 12, its extension electrode 552 can also be a rectangle and connection electrode 554 each extension electrode 552 of connection.
The features and advantages of the present invention
In sum, the electrode of keeping of the present invention is made of the auxiliary electrode of high conductivity, transparent extension electrode and the connection electrode that further connects adjacent extension electrode.The auxiliary electrode bending that can be linearity or change wherein with the barrier rib shape, extension electrode can be rectangle, T shape or other shape, the link position of connection electrode can be the arbitrary position corresponding to extension electrode, as shown in Figure 3A roughly corresponding to the zone of centre, as shown in Figure 4 be positioned at position away from auxiliary electrode, be positioned at the position of nearly auxiliary electrode as shown in Figure 5.In addition, each extension electrode has at least a connection electrode to be connected with adjacent extension electrode, as shown in Figure 6.
Moreover as described in second embodiment, the electrode of keeping of the present invention further comprises the extension of extension from auxiliary electrode, and position corresponding to barrier rib, with the landform that rises and falls by height, between adjacent extension, form a gap, influence each other to avoid the adjacent pair pixel.
Therefore auxiliary electrode provided by the invention has a junction branch, can connect in any position of two adjacent independent sparking electrodes, because its auxiliary electrode opens circuit and causes point defect, and the hexagon barrier wall structure of its rounded projections arranged that provides also has preferred discharging efficiency to prevent.
Though the present invention is open in conjunction with the preferred embodiments as above; so it is not to be used for limiting the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is with being as the criterion that claims were defined.
Claims (8)
1. AC type plasma displaying panel, have two a relative back plate and header boards, be provided with a plurality of sealing barrier ribs between this back plate and this header board and separate into the plain zone of a plurality of secondary images, a plurality of electrodes of keeping are arranged on the face of this header board with respect to this back plate, extend along a first direction, each is kept electrode and comprises:
One auxiliary electrode;
A plurality of extension electrodes extend to the plain zone of corresponding secondary image by this auxiliary electrode; And
A plurality of connection electrode, each extension electrode have the connection electrode of at least one correspondence to connect adjacent extension electrode, and wherein these connection electrode are adjacent to this auxiliary electrode; And
This auxiliary electrode comprises a plurality of extensions, and these a plurality of extensions extend from this auxiliary electrode, and extend in corresponding barrier rib upper edge one second direction.
2, AC type plasma displaying panel as claimed in claim 1, the plain zone of these a plurality of secondary images is arranged on this back plate with the arrangement mode of a triangular pixel.
3. AC type plasma displaying panel as claimed in claim 1 or 2, wherein this connection electrode width is 0.1 μ m～45 μ m.
4. AC type plasma displaying panel as claimed in claim 1, wherein this auxiliary electrode is vertical bar or bending.
5. AC type plasma displaying panel as claimed in claim 1 or 2, wherein those extension electrodes are rectangle or T shape.
6. AC type plasma displaying panel as claimed in claim 1 or 2, wherein those extension electrodes are formed many groups with those connection electrode and are connected extension electrode, the extension electrode of each group connection extension electrode has corresponding connection electrode and joins in twos, between the adjacent connection extension electrode connection electrode is not set.
7. AC type plasma displaying panel as claimed in claim 1 or 2, wherein this first direction and this second direction are orthogonal.
8. AC type plasma displaying panel as claimed in claim 2, wherein this auxiliary electrode is vertical bar or bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100396768A CN1308990C (en) | 2004-03-16 | 2004-03-16 | AC plasma display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100396768A CN1308990C (en) | 2004-03-16 | 2004-03-16 | AC plasma display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1564302A CN1564302A (en) | 2005-01-12 |
| CN1308990C true CN1308990C (en) | 2007-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100396768A Expired - Fee Related CN1308990C (en) | 2004-03-16 | 2004-03-16 | AC plasma display panel |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264914A (en) * | 1999-02-24 | 2000-08-30 | 富士通株式会社 | Surface discharging plasma displaying panel |
| US6333599B1 (en) * | 1998-01-21 | 2001-12-25 | Hitachi, Ltd. | Plasma display system |
| US6376986B1 (en) * | 1999-05-11 | 2002-04-23 | Fujitsu Limited | Plasma display panel |
| CN1407583A (en) * | 2001-08-20 | 2003-04-02 | 三星Sdi株式会社 | Plasma display panel with delta electric discharge unit |
-
2004
- 2004-03-16 CN CNB2004100396768A patent/CN1308990C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6333599B1 (en) * | 1998-01-21 | 2001-12-25 | Hitachi, Ltd. | Plasma display system |
| CN1264914A (en) * | 1999-02-24 | 2000-08-30 | 富士通株式会社 | Surface discharging plasma displaying panel |
| US6376986B1 (en) * | 1999-05-11 | 2002-04-23 | Fujitsu Limited | Plasma display panel |
| CN1407583A (en) * | 2001-08-20 | 2003-04-02 | 三星Sdi株式会社 | Plasma display panel with delta electric discharge unit |
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| CN1564302A (en) | 2005-01-12 |
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