CN201256137Y - Shadow mask type plasma display board with high light-emitting efficiency - Google Patents
Shadow mask type plasma display board with high light-emitting efficiency Download PDFInfo
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- CN201256137Y CN201256137Y CNU2008201853904U CN200820185390U CN201256137Y CN 201256137 Y CN201256137 Y CN 201256137Y CN U2008201853904 U CNU2008201853904 U CN U2008201853904U CN 200820185390 U CN200820185390 U CN 200820185390U CN 201256137 Y CN201256137 Y CN 201256137Y
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- metacoxal plate
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- dimensional addressing
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Abstract
The utility model relates to a high luminous efficiency shadow mask type plasma display panel, in particular to a shadow mask type plasma display panel with a three-dimensional addressing electrode on a rear substrate, which mainly comprises a front substrate, a rear substrate and a conductive shadow mask, wherein the shadow mask including a grid aperture array for addressing is clamped between the front substrate and the rear substrate for supporting the front substrate and the rear substrate. The shadow mask is a conductive board including a surface aperture array and a bottom aperture array, the surface apertures and the bottom apertures respectively belong to the upper surface and the lower surface of a same discharging unit. The three-dimensional scanning electrode is prepared on the rear substrate, thereby stuffing the bottom aperture spaces and reducing the operating distance of counter electrodes for increasing the luminous efficiency.
Description
Technical field
The utility model relates to a kind of shadow mask plasma display panel, refers more particularly to a kind of shadow mask plasma display panel of high-luminous-efficiency, specifically a kind of shadow mask plasma display panel for preparing three-dimensional addressing electrode at metacoxal plate.
Background technology
The shadow mask plasma display panel that adopts mainly comprises prebasal plate, metacoxal plate and shadow mask at present.Prebasal plate is from glass substrate, is respectively scan electrode, dielectric layer and the protective layer that forms on the dielectric layer surface; Metacoxal plate is respectively the addressing electrode vertical with scan electrode from glass substrate, dielectric layer and the protective layer that forms on dielectric layer; Being clipped in the middle shadow mask of forward and backward substrate is the metal foil web plate that comprises the addressing of mesh battle array that is processed by electric conducting material (for example iron or its alloy).To charge into predetermined working gas after above-mentioned prebasal plate, shadow mask and the metacoxal plate assembling sealing-in, for example various inert gases have promptly formed shadow mask plasma display panel.Shadow mask plasma display panel adopts the operation principle of subtend discharge at present, and its operation principle is as follows: at first, add a high voltage narrow pulse or slope pulsed erase signal between address electrodes of address electrode group and scan electrode, wipe the wall electric charge of discharge accumulation last time; On scan electrode, add a high impulse addressing voltage then and choose this row, on addressing electrode, apply simultaneously the data pulse of this row, the difference of this data pulse voltage amplitude and scanning voltage is higher than the firing voltage between scan electrode and the addressing electrode, control triggers discharge, thereby forms the wall CHARGE DISTRIBUTION corresponding with required display message at this row; After finishing the visual initial discharge of whole screen line by line, between scan electrode group and addressing electrode, apply and keep discharge pulse, to show this frame image.Circulation like this is displayed image frame by frame.For colored shadow mask plasma display panel, the face of shadow mask is a macropore, face placement with prebasal plate, the coated inner wall three primary colors fluorescent powder, the bottom outlet of shadow mask is an aperture, and by groove UNICOM, bottom outlet and metacoxal plate are in the face of placing between aperture, the vacuum-ultraviolet light that gas discharge produces in each discharge cell excites different fluorescent materials to send corresponding three primary colors light.There are the following problems in the above-mentioned shadow mask plasma display panel: 1) shadow mask is the dimensional accuracy that guarantees face and bottom outlet in preparation engineering, must adopt two-sided etching technics, the etching depth of face is relevant with low hole aperture efficiency with the face opening with bottom outlet etching depth ratio, in addition, the etching depth of face is also relevant with the requirement of strength of shadow mask, usually the face etching depth accounts for 1/2～2/3 of shadow mask thickness, has caused the asymmetric of face and bottom outlet structure like this.2) owing to adopt subtend type discharging structure, discharge space concentrates between the electrode of upper and lower base plate, the distance that is electric field action is whole shadow mask thickness, and fluorescent material can only be coated in the inner wall surface of face, but the electric field that acts on the bottom outlet space still exists, this electric field action almost is invalid to the generation of visible light, has caused luminous efficiency lower.3) the bottom outlet space is little, can't apply fluorescent material, and the deep UV (ultraviolet light) that produces at this discharge space almost can't excite the light-emitting phosphor of face inwall, makes shadow mask plasma display panel brightness and luminous efficiency lower.
Summary of the invention
The purpose of this utility model is to adopt the problem of subtend type discharge generation at existing shadow mask plasma display panel, a kind of shadow mask plasma display panel that improves brightness and luminous efficiency of utility model, prepare the stereoscan electrode at metacoxal plate, cram the bottom outlet space, reduce counter electrode operating distance simultaneously, to improve luminous efficiency.
The technical solution of the utility model is:
A kind of shadow mask plasma display panel of high-luminous-efficiency, comprise prebasal plate, metacoxal plate, shadow mask, wherein shadow mask is encapsulated between prebasal plate, the metacoxal plate, described prebasal plate comprises preceding substrate glass substrate, scan electrode, front substrate medium layer, prebasal plate protective layer, scan electrode is parallel on preceding substrate glass substrate, front substrate medium layer covers on the scan electrode, and the prebasal plate protective layer covers on the front substrate medium layer; Described metacoxal plate comprises back substrate glass substrate, three-dimensional addressing electrode, metacoxal plate dielectric layer and metacoxal plate protective layer, three-dimensional addressing electrode is set in parallel on the back substrate glass substrate, the metacoxal plate dielectric layer covers on the three-dimensional addressing electrode, and the metacoxal plate protective layer then covers on the metacoxal plate dielectric layer; Three-dimensional addressing electrode becomes the spatial vertical quadrature with scan electrode; Shadow mask is that a thickness d is the conductive plate that comprises face array and bottom outlet array of 0.1～1.0mm, face and bottom outlet belong to the upper and lower surface of same discharge cell, the area of the face that prebasal plate is relative is 10～20 times of its bottom outlet area relative with metacoxal plate, and the upper shed width of each face is 2～4 times of bottom outlet under shed width; It is characterized in that: the degree of depth of each face is 2～4 times of the degree of depth of bottom outlet, the upper shed of the face on scan electrode and the shadow mask is in the face of placing and placing centre position, the under shed of the bottom outlet on three-dimensional addressing electrode and the shadow mask to be the embedding state and place the centre position; Described scan electrode and three-dimensional addressing electrode are formed the elementary cell of medium blocking type AC discharge type, three-dimensional addressing electrode and metacoxal plate dielectric layer are embedded in the space of bottom outlet, whole discharge space is compressed in the space of face, the shortest operating distance of scan electrode and three-dimensional addressing electrode is near the degree of depth of face, that is to say that stereo electrod crammed the height of bottom outlet, two interelectrode distances are shortened, be approximately the degree of depth of face, apply phosphor powder layer at the face inwall.
Reasonablely be, three-dimensional addressing electrode of the present utility model is high narrow stereo electrod array, formation is to the deep three-dimensional addressing electrode in bottom outlet space, and it is identical with front substrate medium layer thickness on covering prebasal plate to cover the thickness of the metacoxal plate dielectric layer above the three-dimensional addressing electrode.
Reasonablely be, the height of three-dimensional addressing electrode of the present utility model and metacoxal plate dielectric layer is 0.3～0.7 times of the bottom outlet degree of depth, the overall width of three-dimensional addressing electrode and metacoxal plate dielectric layer is 0.3～0.5 times of under shed width, makes array that three-dimensional addressing electrode and dielectric layer constitute and bottom outlet and the groove that is connected between bottom outlet is the embedding state.
Three-dimensional addressing electrode of the present utility model and metacoxal plate dielectric layer are the multi-layered electrode structure alternate with the multilayer dielectricity layer, the width that ground floor covers the three-dimensional addressing electrode of metacoxal plate substrate glass is 0.2～0.4 times of bottom outlet under shed width, thickness is 4～10 μ m, the area that covers top ground floor metacoxal plate dielectric layer is the effective display area of display panel, thickness is identical with front substrate medium layer, the position of the three-dimensional addressing electrode of corresponding ground floor prepares the three-dimensional addressing electrode array of the second layer on ground floor metacoxal plate dielectric layer, width is identical with the three-dimensional addressing electrode of ground floor, the three-dimensional addressing electrode of electrode leads to client ground floor outside effective display area is communicated with the three-dimensional addressing electrode of the second layer, the thickness that covers the second layer metacoxal plate dielectric layer above the three-dimensional addressing electrode of the second layer is identical with ground floor metacoxal plate dielectric layer, second layer metacoxal plate dielectric layer width is 0.3～0.5 times of under shed width, the length of second layer metacoxal plate dielectric layer is less than the length of addressing electrode, promptly do not cover at electrode leads to client, repeat above-mentioned steps and continue preparation three-layer stereo addressing electrode and the 3rd layer of metacoxal plate dielectric layer, until the total height that makes three-dimensional addressing electrode and metacoxal plate dielectric layer is 0.3～0.7 times of the bottom outlet degree of depth, and overall width is 0.3～0.5 times of bottom outlet under shed width.
Shadow mask described in the utility model; be coated with the elementary cell of scan electrode with the three-dimensional addressing electrode composition medium blocking type AC discharge type that is coated with metacoxal plate dielectric layer and metacoxal plate protective layer of front substrate medium layer and prebasal plate protective layer; three-dimensional addressing electrode and metacoxal plate dielectric layer are embedded in the space of bottom outlet; whole discharge space is compressed in the space of face; the shortest operating distance of scan electrode and three-dimensional addressing electrode is near the degree of depth of face; apply phosphor powder layer at the face inwall; make the deep UV (ultraviolet light) of the generation of face discharge space excite the fluorescent material of inwall, send visible light.
The utility model compared with prior art has following beneficial effect:
1, shadow mask plasma display panel of the present utility model prepares three-dimensional addressing electrode and three-dimensional dielectric layer at metacoxal plate, crammed the shadow mask bottom outlet, the face space that effective discharge space is compressed to be coated with fluorescent material, and make sparking electrode apart from shortening, lowered power consumption, improve the utilance of deep UV (ultraviolet light), thereby improved the luminous efficiency and the brightness of shadow mask plasma display panel.
2, the utility model prepares three-dimensional addressing electrode and dielectric layer adopts present plasma display panel conventional process, is fit to the volume production requirement of shadow mask plasma display panel.
Description of drawings
Fig. 1 is the structural representation of display panel of the present utility model.
Fig. 2 is that the position of three-dimensional addressing electrode, metacoxal plate dielectric layer and shadow mask among the utility model embodiment one concerns schematic diagram.
Fig. 3 is three-dimensional addressing electrode of the present utility model, metacoxal plate dielectric layer embodiment one preparation method's a step.
The encapsulating structure schematic diagram of Fig. 4 display panel of the present utility model.
Fig. 5 is that the position of three-dimensional addressing electrode, metacoxal plate dielectric layer and shadow mask among the utility model embodiment two concerns schematic diagram.
Fig. 6 is three-dimensional addressing electrode of the present utility model, metacoxal plate dielectric layer embodiment two preparation methods' a step.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Embodiment one:
As shown in Figure 1, a kind of shadow mask plasma display panel of high-luminous-efficiency, comprise prebasal plate 1, metacoxal plate 2, shadow mask 3, wherein shadow mask 3 is encapsulated between prebasal plate 1, the metacoxal plate 2, described prebasal plate 1 comprises preceding substrate glass substrate 4, scan electrode 5, front substrate medium layer 6, prebasal plate protective layer 7, scan electrode 5 is parallel on preceding substrate glass substrate 4, and front substrate medium layer 6 covers on the scan electrode 5, and prebasal plate protective layer 7 covers on the front substrate medium layer 6; Described metacoxal plate 2 comprises back substrate glass substrate 8, three-dimensional addressing electrode 9, metacoxal plate dielectric layer 10 and metacoxal plate protective layer 11, three-dimensional addressing electrode 9 is set in parallel on the back substrate glass substrate 8, metacoxal plate dielectric layer 10 covers three-dimensional addressing electrode, and (on 9,11 of metacoxal plate protective layers cover on the metacoxal plate dielectric layer 10; Three- dimensional addressing electrode 9 and 5 one-tenth spatial vertical quadratures of scan electrode; Shadow mask 3 is that a thickness d is the conductive plate that comprises face 12 arrays and bottom outlet 13 arrays of 0.1～1.0mm, face 12 and bottom outlet 13 belong to the upper and lower surface of same discharge cell, 10～20 times of the area of the face 12 that prebasal plate 1 is relative bottom outlet 13 areas that to be them relative with metacoxal plate 2, upper shed 14 width of each face 12 are 2～4 times of bottom outlet 13 under sheds 15 width; It is characterized in that: the degree of depth 16 of each face 12 is 2～4 times of the degree of depth 17 of bottom outlet 13, the upper shed 14 of the face 12 on scan electrode 5 and the shadow mask 3 is in the face of placing and place the centre position, and the under shed 15 of the bottom outlet 13 on three-dimensional addressing electrode 9 and the shadow mask 3 is the embedding state and places the centre position; Described scan electrode 5 and three-dimensional addressing electrode 9 are formed the elementary cell of medium blocking type AC discharge types, three-dimensional addressing electrode 9 and metacoxal plate dielectric layer 10 are embedded in the space of bottom outlet 13, whole discharge space is compressed in the space of face 12, the shortest operating distance of scan electrode 5 and three-dimensional addressing electrode 9 applies phosphor powder layer near the degree of depth 16 of face 12 at face 12 inwalls.
Three-dimensional addressing electrode 9 of the present utility model is to utilize the prepared that forms barrier among the present PDP to become high and narrow stereo electrod array, formation is to the deep three-dimensional addressing electrode 9 in bottom outlet 13 spaces, it is identical with dielectric layer 6 thickness on the prebasal plate 1 to cover the thickness of the metacoxal plate dielectric layer 10 above the three-dimensional addressing electrode 9, the height 18 of three-dimensional addressing electrode 9 and metacoxal plate dielectric layer 10 is 0.3～0.7 times of the bottom outlet degree of depth 17, the degree of depth 20 less than 13 grooves 19 of bottom outlet, the overall width of three-dimensional addressing electrode 9 and dielectric layer 10 is less than bottom outlet under shed width 15, be 0.3～0.5 times of under shed width 15, the groove 19 that makes array that three-dimensional addressing electrode 9 and metacoxal plate dielectric layer 10 constitute and bottom outlet 13 and be connected 13 in bottom outlet is the embedding state.The relation of three-dimensional addressing electrode 9 and metacoxal plate dielectric layer 10 and shadow mask 3 as shown in Figure 2, the preparation process of three-dimensional addressing electrode 9 and metacoxal plate dielectric layer 10 is as shown in Figure 3.
The utility model carries out hermetic seal with the sealing-in frame of making of low-melting glass 24 of prebasal plate 1, shadow mask 3, metacoxal plate 2 all around, outside the viewing area, in the sealing-in frame 24, blast pipe 25 is set, link to each other with vacuum system by this blast pipe, can carry out vacuum degassing to above-mentioned device, and fill with behind the required working gas of certain air pressure with the vacuum system sealed-off, this has just formed plasma display panel provided by the utility model, and the sealing-in destructing as shown in Figure 4.
The operation principle of plasma display panel of the present utility model is as follows: add a high voltage narrow pulse or slope pulsed erase signal between three-dimensional addressing electrode 9 and scan electrode 5, wipe the wall electric charge of discharge accumulation last time; On scan electrode 5, add a high impulse then and choose this row, on three-dimensional addressing electrode 9, apply simultaneously the data pulse of this row, the difference of this data pulse voltage amplitude and scanning voltage is higher than the firing voltage between scan electrode and the addressing electrode, control triggers discharge, thereby forms the wall CHARGE DISTRIBUTION corresponding with required display message at this row; After finishing the visual initial discharge of whole screen line by line, between 5 groups of scan electrodes and three-dimensional addressing electrode 9, apply and keep discharge pulse, make wall voltage and keep the firing voltage that the voltage sum is higher than the pixel that is addressed, produce discharge, the fluorescent material that the deep UV (ultraviolet light) of discharge generation excites face 12 inwalls to apply sends visible light, so just realized the demonstration of this frame image, circulation like this is displayed image frame by frame.
Plasma display panel of the present utility model can adopt a son driving method of addressing and display separation (ADS), also can adopt Alternate Lighting of Surfaces (ALIS) driving method.
Embodiment two:
In the foregoing description one, three-dimensional addressing electrode 9 and metacoxal plate dielectric layer 10 also can be made multi-layered electrode three-dimensional addressing electrode 9 and the metacoxal plate dielectric layer 10 alternate with the multilayer dielectricity layer by common photosensitive silver slurry photoetching process and silk-screen printing technique, the width 20 that ground floor covers the addressing electrode 9a of metacoxal plate substrate glass is 0.2～0.4 times of bottom outlet 13 under shed width 15, thickness is by choosing silver-colored pulp material characteristic decision, usually at 4～10 μ m, the area that covers top ground floor metacoxal plate dielectric layer 10a is the effective display area of display panel, thickness is identical with front substrate medium layer 6, the position of the three-dimensional addressing electrode 9a of corresponding ground floor prepares the three-dimensional addressing electrode 9b of second layer array on ground floor metacoxal plate dielectric layer 10a, width is identical with the three-dimensional addressing electrode 9a of ground floor, the three-dimensional addressing electrode 9a of electrode leads to client ground floor outside effective display area is communicated with the three-dimensional addressing electrode 9b of the second layer, the thickness that covers the second layer metacoxal plate dielectric layer 10b above the three-dimensional addressing electrode 9b of the second layer is identical with ground floor metacoxal plate dielectric layer 10a's, but width is wideer than the three-dimensional addressing electrode 9b's of the second layer, narrower than bottom outlet 13 under shed width 15, be 0.3～0.5 times of under shed width 15, the length of second layer metacoxal plate dielectric layer 10b is less than the length of the three-dimensional addressing electrode 9b of the second layer, promptly do not cover at electrode leads to client, take identical step to continue preparation three-layer stereo addressing electrode 9c and the 3rd layer of metacoxal plate dielectric layer 10c or the like, until making three- dimensional addressing electrode 9b, 9c...... and dielectric layer 10b, 10c...... total height be 0.3～0.7 times of the bottom outlet degree of depth 17, overall width is 0.3～0.5 times of bottom outlet under shed width 15, makes by three- dimensional addressing electrode 9a, 9b, 9c...... forming three-dimensional addressing electrode 9 reaches by metacoxal plate dielectric layer 10a, 10b, 10c...... the array that the metacoxal plate dielectric layer of forming 10 constitutes and bottom outlet 13 and the groove 19 that is connected 13 in bottom outlet are the embedding state.The relation of three-dimensional addressing electrode 9 and medium 10 and shadow mask 3 as shown in Figure 5, the preparation process of three-dimensional addressing electrode 9 and medium 10 is as shown in Figure 6.The operation principle such as the embodiment one of the shadow mask plasma display panel that present embodiment constitutes.
Present embodiment has only provided the concrete example application of part, but for the patent personnel that are engaged in flat-panel monitor, also can design the various deformation product according to above enlightenment, and this still is considered to be covered by among the utility model.
Claims (4)
1, a kind of shadow mask plasma display panel of high-luminous-efficiency, comprise prebasal plate (1), metacoxal plate (2), shadow mask (3), wherein shadow mask (3) is encapsulated between prebasal plate (1), the metacoxal plate (2), described prebasal plate (1) comprises preceding substrate glass substrate (4), scan electrode (5), front substrate medium layer (6), prebasal plate protective layer (7), scan electrode (5) is parallel on preceding substrate glass substrate (4), front substrate medium layer (6) covers on the scan electrode (5), and prebasal plate protective layer (7) covers on the front substrate medium layer (6); Described metacoxal plate (2) comprises back substrate glass substrate (8), three-dimensional addressing electrode (9), metacoxal plate dielectric layer (10) and metacoxal plate protective layer (11), three-dimensional addressing electrode (9) is set in parallel on the back substrate glass substrate (8), metacoxal plate dielectric layer (10) covers on the three-dimensional addressing electrode (9), and metacoxal plate protective layer (11) then covers on the metacoxal plate dielectric layer (10); Three-dimensional addressing electrode (9) becomes the spatial vertical quadrature with scan electrode (5); Shadow mask (3) is that a thickness d is the conductive plate that comprises face (12) array and bottom outlet (13) array of 0.1～1.0mm, face (12) and bottom outlet (13) belong to the upper and lower surface of same discharge cell, the area of the face (12) that prebasal plate (1) is relative is 10～20 times of its bottom outlet (13) area relative with metacoxal plate (2), and upper shed (14) width of each face (12) is 2～4 times of bottom outlet (13) under shed (15) width; It is characterized in that: the degree of depth (16) of each face (12) is 2～4 times of the degree of depth (17) of bottom outlet (13), the upper shed (14) of the face (12) on scan electrode (5) and the shadow mask (3) is in the face of placing and place the centre position, and the under shed (15) of the bottom outlet (13) on three-dimensional addressing electrode (9) and the shadow mask (3) is the embedding state and places the centre position; Described scan electrode (5) and three-dimensional addressing electrode (9) are formed the elementary cell of medium blocking type AC discharge type, three-dimensional addressing electrode (9) and metacoxal plate dielectric layer (10) are embedded in the space of bottom outlet (13), whole discharge space is compressed in the space of face (12), the shortest operating distance of scan electrode (5) and three-dimensional addressing electrode (9) applies phosphor powder layer near the degree of depth (16) of face (12) at face (12) inwall.
2, the shadow mask plasma display panel of high-luminous-efficiency according to claim 1, it is characterized in that: three-dimensional addressing electrode (9) is high narrow stereo electrod array, formation is to the deep three-dimensional addressing electrode (9) in bottom outlet (13) space, and it is identical with front substrate medium layer (6) thickness on covering prebasal plate (1) to cover the thickness of the metacoxal plate dielectric layer (10) above the three-dimensional addressing electrode (9).
3, the shadow mask plasma display panel of high-luminous-efficiency according to claim 2, it is characterized in that: the height of three-dimensional addressing electrode (9) and metacoxal plate dielectric layer (10) is 0.3～0.7 times of the bottom outlet degree of depth (17), the overall width of three-dimensional addressing electrode (9) and metacoxal plate dielectric layer (10) is 0.3～0.5 times of under shed width (15), makes array that three-dimensional addressing electrode (9) and dielectric layer (10) constitute and bottom outlet (13) and the groove (19) that is connected between bottom outlet (13) is the embedding state.
4, the shadow mask plasma display panel of high-luminous-efficiency according to claim 1, it is characterized in that: three-dimensional addressing electrode (9) and metacoxal plate dielectric layer (10) are the multi-layered electrode structure alternate with the multilayer dielectricity layer, the width that ground floor covers the three-dimensional addressing electrode (9a) of metacoxal plate substrate glass is 0.2～0.4 times of bottom outlet (13) under shed width (15), thickness is 4～10 μ m, the area that covers top ground floor metacoxal plate dielectric layer (10a) is the effective display area of display panel, thickness is identical with front substrate medium layer (6), the position of going up the three-dimensional addressing electrode of corresponding ground floor (9a) at ground floor metacoxal plate dielectric layer (10a) prepares three-dimensional addressing electrode (9b) array of the second layer, width is identical with the three-dimensional addressing electrode of ground floor (9a), the three-dimensional addressing electrode of electrode leads to client ground floor outside effective display area (9a) is communicated with the three-dimensional addressing electrode of the second layer (9b), the thickness that covers the second layer metacoxal plate dielectric layer (10b) above the three-dimensional addressing electrode of the second layer (9b) is identical with ground floor metacoxal plate dielectric layer (10a), second layer metacoxal plate dielectric layer (10b) width is 0.3～0.5 times of under shed width (15), the length of second layer metacoxal plate dielectric layer (10b) is less than the length of addressing electrode (9b), promptly do not cover at electrode leads to client, repeat above-mentioned steps and continue preparation three-layer stereo addressing electrode (9c) and the 3rd layer of metacoxal plate dielectric layer (10c), until the total height that makes three-dimensional addressing electrode (9) and metacoxal plate dielectric layer (10) is 0.3～0.7 times of the bottom outlet degree of depth (17), and overall width is 0.3～0.5 times of bottom outlet under shed width (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNU2008201853904U CN201256137Y (en) | 2008-09-24 | 2008-09-24 | Shadow mask type plasma display board with high light-emitting efficiency |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008201853904U CN201256137Y (en) | 2008-09-24 | 2008-09-24 | Shadow mask type plasma display board with high light-emitting efficiency |
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| CN201256137Y true CN201256137Y (en) | 2009-06-10 |
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| CNU2008201853904U Expired - Fee Related CN201256137Y (en) | 2008-09-24 | 2008-09-24 | Shadow mask type plasma display board with high light-emitting efficiency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800143A (en) * | 2010-03-16 | 2010-08-11 | 东南大学 | Double-sided displayed shadow mask type plasma display panel |
| CN104333395A (en) * | 2014-10-23 | 2015-02-04 | 广东安居宝数码科技股份有限公司 | Display panel and manufacturing method thereof and interphone for building |
-
2008
- 2008-09-24 CN CNU2008201853904U patent/CN201256137Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800143A (en) * | 2010-03-16 | 2010-08-11 | 东南大学 | Double-sided displayed shadow mask type plasma display panel |
| CN104333395A (en) * | 2014-10-23 | 2015-02-04 | 广东安居宝数码科技股份有限公司 | Display panel and manufacturing method thereof and interphone for building |
| CN104333395B (en) * | 2014-10-23 | 2016-09-07 | 广东安居宝数码科技股份有限公司 | A kind of display floater and manufacture method thereof and building speakerphone |
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Granted publication date: 20090610 Termination date: 20110924 |