CN101416266B - Plasma display panel - Google Patents
Plasma display panel Download PDFInfo
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- CN101416266B CN101416266B CN2007800089901A CN200780008990A CN101416266B CN 101416266 B CN101416266 B CN 101416266B CN 2007800089901 A CN2007800089901 A CN 2007800089901A CN 200780008990 A CN200780008990 A CN 200780008990A CN 101416266 B CN101416266 B CN 101416266B
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 229910052754 neon Inorganic materials 0.000 description 1
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- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/44—Optical arrangements or shielding arrangements, e.g. filters, black matrices, light reflecting means or electromagnetic shielding means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
- H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/22—Electrodes, e.g. special shape, material or configuration
- H01J11/32—Disposition of the electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/36—Spacers, barriers, ribs, partitions or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/36—Spacers, barriers, ribs, partitions or the like
- H01J2211/361—Spacers, barriers, ribs, partitions or the like characterized by the shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/44—Optical arrangements or shielding arrangements, e.g. filters or lenses
- H01J2211/444—Means for improving contrast or colour purity, e.g. black matrix or light shielding means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Electromagnetism (AREA)
- Gas-Filled Discharge Tubes (AREA)
Abstract
The present invention relates to a plasma display panel. The plasma display panel includes a front substrate on which a first electrode and a second electrode are positioned parallel to each other, a first black layer at a position corresponding to the first electrode, a second black layer at a position corresponding to the second electrode, a rear substrate positioned opposite the front substrate, and a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell. An interval between the first black layer and the second black layer ranges from 0.7 to 2.5 times a shortest interval between at least one of the first and second black layers and the barrier rib.
Description
Technical field
The present invention relates to a kind of plasma display.
Background technology
The present invention relates to a kind of plasma display.
Generally speaking, luminescent coating and a plurality of electrode are formed in the discharge cell of being separated by the barrier ribs (barrier ribs) of plasma display.
When drive signal was applied to the electrode of plasma display, because the drive signal of being supplied with, discharge occurred in the discharge cell.In other words, when owing to the drive signal of being supplied with, discharge when occurring in the discharge cell, the discharge gas of filling in discharge cell produces vacuum ultraviolet, and it causes the light-emitting phosphor in discharge cell thus, thereby has produced visible light.Because visible light, image is presented on the screen of plasma display.
Summary of the invention
Technical problem
Exemplary embodiment of the present invention provides a kind of plasma display, and it can be by reducing the contrastive feature that the panel reflectivity improves image.
Technical scheme
Plasma display according to exemplary embodiment of the present invention comprises: first electrode and second electrode be located parallel prebasal plate on it, be positioned at the black layer of first on first electrode, be positioned at the black layer of second on second electrode, be positioned at the metacoxal plate on prebasal plate opposite, and between prebasal plate and metacoxal plate to separate the barrier ribs of discharge cell, wherein the scope at the interval between the first black layer and the second black layer be 0.7 times to 2.5 times of the shortest interval between at least one and barrier ribs first and second deceive layer.
The scope at the interval between the first black layer and the second black layer can be 0.8 times to 1.8 times of the shortest interval between at least one and barrier ribs first and second black layers.
Plasma display can further comprise: corresponding to the 3rd black layer on the prebasal plate of the position of barrier ribs.
Plasma display can further comprise: the 4th black layer on the top of barrier ribs.
In the first and second black layers at least one and the shortest interval between the 4th black layer can be substantially equal to the shortest interval between at least one and the barrier ribs in first and second black layers.
Each of first electrode and second electrode comprises transparency electrode and bus electrode.First and second deceive between the bus electrode of layer transparency electrode that can lay respectively at first and second electrodes and first and second electrodes.
First electrode can be from separating with at least one the parallel barrier ribs second electrode with first electrode with second electrode.
The shortest interval between the barrier ribs and the first black layer can be substantially equal at the barrier ribs and the second the shortest interval of deceiving between the layer.
The shortest interval at the shortest interval between the barrier ribs and the first black layer, between the barrier ribs and the second black layer, and the interval between the first black layer and the second black layer can be equal to each other basically.
Barrier ribs can comprise and first a parallel barrier ribs of the first and second black layers, and second barrier ribs of intersecting with first barrier ribs.The 5th black layer can be positioned on the prebasal plate corresponding to the position of second barrier ribs of intersecting with the first and second black layers.
First electrode and second electrode can comprise transparency electrode and bus electrode separately.Each of transparency electrode in first and second electrodes can comprise: not with the first of the first black layer or the second black ply, with the second portion of the first black layer or the second black ply, wherein the distance of the centre from the second portion to the discharge cell is shorter than the distance of the centre from the first to the discharge cell, and between first and second portion and with the third part of the first black layer or the second black ply.The length in the cross section of second portion can be shorter than the length in the cross section of first.
Plasma display according to exemplary embodiment of the present invention comprises: first electrode and second electrode are located parallel the prebasal plate on it, be positioned at the black layer of first on first electrode, be positioned at the black layer of second on second electrode, be positioned at the metacoxal plate on prebasal plate opposite, between prebasal plate and metacoxal plate to separate the barrier ribs of discharge cell, and corresponding to the 3rd black layer on the prebasal plate of the position of barrier ribs, wherein the scope at the interval between the first black layer and the second black layer be from least one and the 3rd 0.7 times to 2.5 times of the shortest interval between deceiving layer the first and second black layers.
The scope at the interval between the first black layer and the second black layer be from least one and the 3rd 0.8 times to 1.8 times of the shortest interval between deceiving layer the first and second black layers.
The shortest interval at the shortest interval between the 3rd black layer and the first black layer, between the 3rd black layer and the second black layer, and the shortest interval between the first black layer and the second black layer can be equal to each other basically.
First electrode and second electrode can comprise transparency electrode and bus electrode separately.Each of transparency electrode in first and second electrodes can comprise: not with the first of the first black layer or the second black ply, with the second portion of the first black layer or the second black ply, wherein the distance of the centre from the second portion to the discharge cell is shorter than the distance of the centre from the first to the discharge cell, and between first and second portion and with the third part of the first black layer or the second black ply.The length in the cross section of second portion can be shorter than the length in the cross section of first.
Plasma display according to exemplary embodiment of the present invention comprises: first electrode and second electrode are located parallel the prebasal plate (wherein first electrode and second electrode comprise transparency electrode and bus electrode separately) on it, be positioned at the metacoxal plate on prebasal plate opposite, between prebasal plate and metacoxal plate to separate the barrier ribs of discharge cell, and corresponding to the black layer on the prebasal plate of the position of barrier ribs, wherein the scope at the interval between the bus electrode of first and second electrodes be from the bus electrode of first and second electrodes at least one with deceive layer between 0.7 times to 2.5 times of the shortest interval.
The scope at the interval between the bus electrode of first and second electrodes is 0.8 times to 1.8 times of the shortest interval between at least one and black layer the bus electrode of first and second electrodes.
Each of transparency electrode in first and second electrodes can comprise: with the nonoverlapping first of bus electrode, with the nonoverlapping second portion of bus electrode, wherein the distance of the centre from the second portion to the discharge cell is shorter than the distance of the centre from the first to the discharge cell, and between first and second portion and the third part overlapping with bus electrode.The length in the cross section of second portion can be shorter than the length in the cross section of first.
The darkness of bus electrode can be higher than the darkness of transparency electrode.
Bus electrode can comprise the black material with conductivity.
Beneficial effect
Plasma display according to the present invention is by relatively widening interval, the use capture-effect (eclipse effect) between the first black layer or the second black layer (it is between first electrode or second electrode and the prebasal plate) and the barrier ribs, reduce the panel reflectivity, thereby improved the contrastive feature of the image that on plasma display, shows.
Description of drawings
Fig. 1 and Fig. 2 are the figure that is used to explain according to the example of structure of plasma display of the present invention;
Fig. 3 is the figure that is used at length explaining according to the structure of plasma display of the present invention to Fig. 5;
Fig. 6 is the figure that is used to explain the reason of relatively widening the interval between the first and second black layers and the barrier ribs to Fig. 8;
Fig. 9 and Figure 10 are according to exemplary embodiment of the present invention, the reflectivity of plasma display and the chart of the relation between the brightness are shown;
Figure 11 is the figure that is used to explain the 3rd black layer;
Figure 12 is the figure that is used to explain the 4th black layer;
Figure 13 and 14 is the figure that is used to explain another structure of bus electrode;
Figure 15 and Figure 16 are the figure that is used to explain the 5th black layer; And
Figure 17 is the figure that is used to explain the method that drives plasma display.
Embodiment
Fig. 1 and Fig. 2 are the figure that is used to explain according to the example of structure of plasma display of the present invention.
As shown in FIG. 1, can comprise prebasal plate 101 and metacoxal plate 111 according to plasma display of the present invention, on prebasal plate 101, be formed parallel to each other first electrode 102 (Y) and second electrode 103 (Z), on metacoxal plate 111, formed the third electrode 113 (X) that intersects with first electrode 102 (Y) and second electrode 103 (Z).Can use the discharge gas that comprises xenon (Xe), neon (Ne) etc. to be filled in space between prebasal plate 101 and the metacoxal plate 111.Advantageously, based on total weight of discharge gas, Xe content is equal to, or greater than 10%, so that improve discharging efficiency.
The first black layer 106 can be located on the prebasal plate 101 corresponding to the position of first electrode 102, and the second black layer 107 can be positioned on the prebasal plate 101 corresponding to the position of second electrode 103.
For example, as shown in fig. 1, comprise separately under the situation of transparency electrode 102a and 103a and bus electrode 102b and 103b at first electrode 102 and second electrode 103, the first black layer 106 can be between the transparency electrode 102a and bus electrode 102b of first electrode 102, and second black layer 107 can be between the transparency electrode 103a and bus electrode 103b of second electrode 103.
Can be preferably, the darkness of the first and second black layers 106 and 107 is higher than the darkness of first electrode 102 or second electrode 103.In other words, the first and second black layers 106 and 107 have than first electrode 102 or the dark color of second electrode 103.
The first and second black layers 106 and 107 can be formed by substantially the same material.For example, the first and second black layers 106 and 107 can comprise based on the material of ruthenium (Ru) with based on the material of cobalt (Co).
The first and second black layers 106 and 107 prevent to be reflected by first and second electrodes 102 and 103 from the light of outside, thereby have reduced reflectivity.
Upper dielectric layer 104 can be positioned on first electrode 102 and second electrode 103, is used to limit the discharging current of first electrode 102 and second electrode 103, and is used for providing electric insulation between first electrode 102 and second electrode 103.
Can on upper dielectric layer 104, form protective layer 105 to help discharging condition.Protective layer 105 can comprise the material with high secondary electron yield, for example, and magnesium oxide (MgO).
On metacoxal plate 111, form third electrode 113, and can on third electrode 113, form low-dielectric layer 115, so that the electric insulation of third electrode 113 to be provided.
The barrier ribs 112 of bar shaped, well type, Delta type, honeycomb type etc. can be positioned on the low-dielectric layer 115, in order to separate discharge space (being discharge cell).Therefore, launching first discharge cell of red (R) light, second discharge cell of blue (B) light of emission, and the 3rd discharge cell etc. of launching green (G) light, can be formed between prebasal plate 101 and the metacoxal plate 111.
Except first, second, and outside the 3rd discharge cell, can further form the 4th discharge cell of white (W) light of emission or Huang (Y) light.
Though first, second, and the width of the 3rd discharge cell can be equal to each other basically, first, second, and at least one the width in the 3rd discharge cell can be different with the width of other discharge cell.
For example, the width of launching first discharge cell of red (R) light can be minimum, and the width of the 3rd discharge cell of second discharge cell of blue (B) light of emission and emission green (G) light can be greater than the width of first discharge cell.Therefore, can improve the colour temperature that is shown image.The width of second discharge cell can equate with the width of the 3rd discharge cell basically or be different with it.
Plasma display can have the barrier ribs structure of various ways and the structure of the barrier ribs 112 shown in Fig. 1.For example, as shown in Figure 2, barrier ribs 112 can comprise the first barrier ribs 112b intersected with each other and the second barrier ribs 112a, and can have the height h1 of the first barrier ribs 112b wherein can be less than difference type (differentialtype) the barrier ribs structure of the height h2 of the second barrier ribs 112a.
In addition, barrier ribs 112 can have the barrier ribs structure of the barrier ribs structure of channel type, hollow (hollow) type etc., in the barrier ribs structure of channel type, the raceway groove that can be used as exhaust pathway is formed among the first barrier ribs 112b or the second barrier ribs 112a at least one, and in the barrier ribs structure of hollow type, on hollow at least one that is formed among the first barrier ribs 112b or the second barrier ribs 112a.
Though Fig. 1 illustrates and described first, second, and the 3rd discharge cell is arranged in the situation on the same line, first, second, and the 3rd discharge cell can be arranged in a different manner.For example, it is adaptable that Delta type is arranged, wherein arranges first, second with triangular shaped, and the 3rd discharge cell.In addition, discharge cell can have multiple polygonal shape, such as five limits and hexagonal shape and rectangular shape.
Though Fig. 1 has illustrated and described barrier ribs 112 and has been formed at situation on the metacoxal plate 111, barrier ribs 112 can be formed in prebasal plate 101 or the metacoxal plate 111 at least one.
Luminescent coating 114 can be positioned at discharge cell and be used for the visible light that image shows during being transmitted in address discharge.For example, produce respectively red, blue, and first, second of green glow, and the 3rd luminescent coating can be positioned at discharge cell.
Except first, second, and the 3rd luminescent coating, the 4th luminescent coating that produces white and/or gold-tinted can further be placed.
First, second, and at least one thickness of the 3rd luminescent coating can be different from the thickness of other luminescent coating.For example, the thickness of second luminescent coating or the 3rd luminescent coating can be greater than the thickness of first luminescent coating.The thickness of second luminescent coating can equate with the thickness of the 3rd luminescent coating basically or is different with it.
In Fig. 1, upper dielectric layer 104 and lower dielectric layer 105 can have single layer structure separately.Yet, at least one the had sandwich construction in upper dielectric layer 104 and the lower dielectric layer 105.
Though third electrode 113 can have the width or the thickness of substantial constant, the width of the third electrode 113 in the discharge cell or thickness can be different from the width or the thickness of the outer third electrode 113 of discharge cell.For example, the width of the third electrode 113 in the discharge cell or thickness can be greater than the width or the thickness of the outer third electrode 113 of discharge cell.
Fig. 3 is the figure that is used at length explaining according to the structure of plasma display of the present invention to Fig. 5.
As shown in Fig. 3 and 4, respectively by G1, G2, and G3 indicate the shortest interval between the first black layer 106 and barrier ribs 112, the interval between first black layer 106 and the second black layer 107 and second deceive layers 107 and barrier ribs 112 between the shortest interval.
Among the shortest interval G3 between the shortest interval G1 between the first black layer 106 and the barrier ribs 112 and second black layer 107 and the barrier ribs 112 at least one is arranged to relative broad.Preferably, the scope of the interval G2 between first black layer 106 and the second black layer 107 can for deceive from the first black layer 106 and the shortest interval G1 and second between the barrier ribs 112 layers 107 and barrier ribs 112 between the shortest interval G3 at least one 0.7 times to 2.5 times.Therefore, satisfy the relation of 0.7G1≤G2≤2.5G1 or 0.7G3≤G2≤2.5G3.
The shortest interval G1 between the first black layer 106 and the barrier ribs 112 can be substantially equal to the shortest interval G3 between the second black layer 107 and the barrier ribs 112.
In the present invention, with the top of the first black layer 106 and the shortest interval between the barrier ribs 112 the shortest interval G1 between the first black layer 106 and the barrier ribs 112 is set, and with the top of the second black layer 107 and the shortest interval between the barrier ribs 112 be provided with second deceive layers 107 and barrier ribs 112 between the shortest interval G3.Yet, can the shortest interval G1 between the first black layer 106 and the barrier ribs 112 be set with the lower part of the first black layer 106 and the shortest interval between the barrier ribs 112, and with the lower part of the second black layer 107 and the shortest interval between the barrier ribs 112 be provided with second deceive layers 107 and barrier ribs 112 between the shortest interval G3.
Under the excessively wide situation of the interval S2 between first electrode 102 and second electrode 103, ignition voltage (firing voltage) can exceedingly rise between first electrode and second electrode 103.Therefore, can reduce driving efficient.
On the other hand, under the excessively narrow situation of the interval S2 between first electrode 102 and second electrode 103, the positive column of interdischarge interval (positive column region) can not be used fully.Therefore, reduced brightness.
Consider this point, advantageously, the interval S2 between first electrode 102 and second electrode 103 is equal to, or greater than approximate 80 μ m, and preferably is equal to, or greater than approximate 90 μ m.
Each width of first electrode 102 and second electrode 103 will be described below.
Under the excessively big situation of the width W 1 of the transparency electrode 102a of first and second electrodes 102 and 103 and 103a and W2, the interval S2 between first electrode 102 and second electrode 103 can be exceedingly narrow.Therefore, owing to the positive column of interdischarge interval can not be used fully, so can reduce brightness.
On the other hand, under the excessively little situation of the width W 1 of the transparency electrode 102a of first and second electrodes 102 and 103 and 103a and W2, first and second electrodes 102 and 103 resistance are bigger.Therefore, can reduce driving efficient.
Consider this point, preferably, the width W 1 of first and second electrodes 102 and 103 transparency electrode 102a and 103a and W2 and scope (W1+W2) be from discharge cell pitch S1 (that is, between adjacent two barrier ribs 112 parallel apart from S1) with first and second electrodes 102 and 103 60% to 90%.
Describe the transparency electrode 102a and the 103a of first and second electrodes 102 and 103 in detail below with reference to Fig. 5.
As shown in FIG. 5, first and second electrodes 102 and 103 transparency electrode 102a and each P1 of comprised first, the second portion P2 of 103a, and third part P3.The P1 of first and first 106 or second black layer 107 on the black layer are not overlapping.The second portion P2 and first 106 or second black layer 107 on the black layer are not overlapping, and the distance of the centre from second portion P2 to discharge cell is shorter than the distance of the centre from the P1 of first to discharge cell.Third part P3 is between P1 of first and second portion P2, and is and overlapping with the black layer of the first black layer 106 or second 107.
The length in the cross section of second portion P2 can be shorter than the length in the cross section of first P1.In other words, first and second electrodes 102 and 103 bus electrode 102b and 103b can be positioned on transparency electrode 102a and the 103a, with the center near discharge cell.
Fig. 6 is the figure that is used to explain the reason of relatively widening the interval between the first and second black layers and the barrier ribs to Fig. 8.
Fig. 9 and 10 is according to exemplary embodiment of the present invention, the reflectivity of plasma display and the chart of the relation between the brightness is shown.
Fig. 6 is illustrated among regional d1 or the d2 the overlapping situation of first black the layer 300 or second black layer 310 and barrier (barrier) 312.
As shown in Figure 7, suppose that light incides on the panel obliquely in the panel construction of Fig. 6.In addition, suppose that the observer is at the anterior aspect of panel picture with the aid of pictures.
A part that incides the light on the panel obliquely is by first black layer 300, the second black layer 310, and barrier 312 stops, therefore by first black layer 300, the second black layer 310, and the shade that produces of barrier 312 has covered the part of discharge cell.Yet,, so as shown in FIG. 7, can in regional W, be reflected from the light of outside because the first black layer 300 and barrier 312 are adjacent or the second black layer 310 is adjacent with barrier 312.
Correspondingly, the observer watches the light that is reflected in regional W, and the contrastive feature of the image that therefore shows on panel is lowered.
On the other hand, when as shown in FIG. 3, during interval relative broad between the interval between the first black layer 106 and the barrier ribs 112 or second black layer 107 and the barrier ribs 112, as shown in FIG. 8, a part that incides the light on the panel obliquely can be deceived layer 107 by the first black layer 106, second, and barrier ribs 112 stops.
Because interval enough wide at the interval between the first black layer 106 and the barrier ribs 112 and between the second black layer 107 and barrier ribs 112 is also enough wide, so by first black layer 106, the second black layer 107, and the shade of barrier ribs 112 generations can cover most of zone of discharge cell.
Though the observer in the panel front watches the image that is presented on the panel, the catoptrical weak strength of the situation of the catoptrical strength ratio that the observer watches described in Fig. 6 and 7.Therefore, can improve the contrastive feature of image shown on panel.This is called capture-effect.
Fig. 9 and 10 shows brightness and reflectivity.
As shown in FIG. 9, when the scope of the interval G2 between first black layer 106 and the second black layer 107 be the shortest interval G1 and second between the first black layer 106 and barrier ribs 112 deceive layers 107 and barrier ribs 112 between the shortest interval G3 at least one 0.3 times to 0.5 times the time, the shade concentrated area that is produced by first black the layer 106 and second black layer 107 has covered the mid portion of discharge cell, and has exposed the marginal portion of discharge cell.Therefore, the scope of panel reflectivity can be from 27% to 28%.
When interval G2 is the shortest interval G1 or G3 3.0 times, as as shown in Fig. 6 and 7, by first black layer 106, the second black layer 107, and the shade that barrier ribs 112 produces only covered the part of discharge cell, and exposed most of zone of discharge cell.Therefore, the panel reflectivity can rise to approximate 30% sharp.
On the other hand, when interval G2 was the shortest interval G1 or G3 0.7 times, the panel reflectivity can be reduced to approximate 21% sharp.When the scope of interval G2 was from the shortest interval G1 or G3 0.7 times to 2.5 times, because the capture-effect described in Fig. 8, the panel reflectivity can have the stable value of scope from 18% to 22%.
As shown in Figure 10, when the scope of the interval G2 between first black layer 106 and the second black layer 107 be at least one 0.3 times to 0.5 times from the shortest interval G3 between the shortest interval G1 between the first black layer 106 and the barrier ribs 112 and the second black layer 107 and the barrier ribs 112, first deceives layer 106 and second deceived layers 107 mid portions that covered the discharge cell that has wherein produced relative a large amount of light.Therefore, brightness can have scope from 140cd/m
2To 145cd/m
2Relatively little value.
On the other hand, when the scope of interval G2 was from the shortest interval G1 or G3 0.7 times to 2.5 times, the mid portion of discharge cell was opened.Therefore, the scope of brightness can be for from 170cd/m
2To 202cd/m
2
When interval G2 surpasses the shortest interval G1 or G3 2.5 times, at 202cd/m
2To 203cd/m
2Between scope in the brightness saturable.
Consider the panel reflectivity of Fig. 9 and the brightness of Figure 10, advantageously, the scope of interval G2 between first black layer 106 and the second black layer 107 be at least one 0.7 times to 2.5 times the shortest interval G3 between the shortest interval G1 between the first black layer 106 and the barrier ribs 112 and second black layer 107 and barrier ribs 112, so that reduction panel reflectivity and raising brightness.
More advantageously, the scope of interval G2 between first black layer 106 and the second black layer 107 be at least one 0.7 times to 2.0 times or 0.8 times to 1.8 times the shortest interval G3 between the shortest interval G1 between the first black layer 106 and the barrier ribs 112 and second black layer 107 and barrier ribs 112, so that reduction panel reflectivity and raising brightness.
Interval G2 between first black layer 106 and the second black layer 107 can be substantially equal to the first black layer 106 and the shortest interval G1 and second between the barrier ribs 112 deceive layers 107 and barrier ribs 112 between the shortest interval G3 at least one.
Figure 11 is the figure that is used to explain the 3rd black layer.In Figure 11, the description identical with foregoing description will be omitted.
As shown in Figure 11, the 3rd black layer 200 and 210 can be located on the prebasal plate 101 corresponding to the position of barrier ribs 112, and can have than at least one the high darkness of darkness in first electrode 102 and second electrode 103.
In this case, can be respectively by G4, G5, and G6 indicates the shortest interval between the 3rd black layer 200 and the first black layer 106, the shortest interval between first black layer 106 and the second black layer 107, and the 3rd black layer 210 and second is deceived the shortest interval between layers 107.
The relation that can satisfy 0.7G4≤G5≤2.5G4 or 0.7G6≤G5≤2.5G6 is to obtain capture-effect.
Compare Figure 11 and Fig. 3, the shortest interval G1 between the black layer 106 of among Fig. 3 first and the barrier ribs 112 can deceive the shortest interval G6 between layers 107 corresponding to black layer 210 and second of the 3rd among Figure 11 corresponding to the shortest interval G3 between the second black layer 107 among the shortest interval G4, Fig. 3 between black layer 200 and the first black layer 106 of the 3rd among Figure 11 and the barrier ribs 112, and the shortest interval G2 among Fig. 3 can be corresponding to the shortest interval G5 among Figure 11.
The width of the 3rd black layer 200 and 210 can be substantially equal to the width of the top or the lower part of barrier ribs 112.When considering the error of manufacture process, the width of the 3rd black layer 200 and 210 can be similar to 10 μ m to 40 μ m greater than the top of barrier ribs 112 or the width of lower part.
Figure 12 is the figure that is used to explain the 4th black layer.In Figure 12, will omit the description identical with foregoing description.
As shown in Figure 12, the 4th black layer 500 and 510 can be positioned on the top of barrier ribs 112, and can have the darkness higher than the darkness of barrier ribs 112.
In this case, can be respectively by G7, G8, and G9 indicates the shortest interval between the 4th black layer 500 and the first black layer 106, the shortest interval between first black layer 106 and the second black layer 107, and the 4th black layer 510 and second is deceived the shortest interval between layers 107.
The relation that can satisfy 0.7G7≤G8≤2.5G7 or 0.7G9≤G8≤2.5G9 is to obtain above-mentioned capture-effect.
Compare Figure 12 and Fig. 3, the shortest interval G1 between the black layer 106 of among Fig. 3 first and the barrier ribs 112 can deceive the shortest interval G9 between layers 107 corresponding to black layer 510 and second of the 4th among Figure 12 corresponding to the shortest interval G3 between the second black layer 107 among the shortest interval G7, Fig. 3 between black layer 500 and the first black layer 106 of the 4th among Figure 12 and the barrier ribs 112, and the shortest interval G2 among Fig. 3 can be corresponding to the shortest interval G8 among Figure 12.
Figure 13 and 14 is the figure that is used to explain another structure of bus electrode.In Figure 13 and 14, the description identical with foregoing description will be omitted.
As shown in Figure 13, (a) situation that first electrode 102 and second electrode 103 comprise transparency electrode 102a and 103a and bus electrode 102b and 103b separately is shown, the first black layer 106 is between the transparency electrode 102a and bus electrode 102b of first electrode 102, and the second black layer 107 is between the transparency electrode 103a and bus electrode 103b of second electrode 103.
As shown in (b) of Figure 13, the first and second black layers 106 and 107 with bus electrode 102b and 103b merging, and can form bus electrode 602b and 603b.
As mentioned above, bus electrode 602b that merge with the first and second black layers 106 and 107 and 603b can be by forming by mixing the material that black material and electrode material obtain, and wherein the darkness that has of black material is higher than the darkness of electrode material.
Since with black laminated and bus electrode 602b and the formation of 603b has reduced the number of manufacture process and in manufacture process required time, so manufacturing cost can be lowered.
In this case, as shown in Figure 14, can be respectively by G11, G12, and G13 indicates the bus electrode 602b of the bus electrode 602b of first electrode 602 and the shortest interval between the 3rd black layer 200, first and second electrodes 602 and 603 and the interval between the 603b, and the bus electrode 603b of second electrode 603 with the 3rd black layer 210 between the shortest interval.
The relation that can satisfy 0.7G11≤G12≤2.5G11 or 0.7G13≤G12≤2.5G13 is to obtain above-mentioned capture-effect.
Compare Figure 14 and Fig. 3, the shortest interval G1 between the black layer 106 of among Fig. 3 first and the barrier ribs 112 can deceive the shortest interval G13 between the bus electrode 603b of layer 210 and second electrode 603 corresponding to the 3rd among Figure 14 corresponding to the second black layer 107 among the shortest interval G11, Fig. 3 between the bus electrode 602b of the black layer of the 3rd among Figure 14 200 and first electrode 602 and the shortest interval G3 between the barrier ribs 112, and the shortest interval G2 among Fig. 3 can be corresponding to the interval G8 among Figure 14.
Figure 15 and 16 is for being used to explain the figure of the 5th black layer.
As shown in Figure 15, the first barrier ribs 112b that barrier ribs 112 comprises and the 3rd black layer 200 is parallel with 210, and the second barrier ribs 112a that intersects with the first barrier ribs 112b.On the prebasal plate (not shown) that intersects with the 3rd black layer 200 and 210 the 5th black layer 1300 can be located at corresponding to the position of the second barrier ribs 112a.
Though not shown in Figure 15, the 5th black layer 1300 can intersect with the first black layer (not shown) and second a black layer (not shown).
As shown in Figure 15, can omit the 5th black layer 1300 in part corresponding to the position of the second barrier ribs 112a.Preferably, can omit the 5th black layer 1300 in part corresponding to the position of the mid portion of discharge cell.As mentioned above, omitting the 5th black layer 1300 under situation, can prevent the excessive reduction aspect brightness corresponding to the part of the position of the mid portion of discharge cell.
As shown in Figure 16, the 5th black layer 1300 can be positioned on the top of the second barrier ribs 112a.
The formation of the 5th black layer 1300 can further reduce the panel reflectivity, thereby improves the contrastive feature of image.
Figure 17 is the figure that is used to explain the method that drives plasma display.
As shown in Figure 17, during the period RP that resets, rising signals RS and dropping signal FS can be offered scan electrode Y, be used for initialization is carried out at least one height field of a plurality of sub of frame.
For example, during foundation (setup) the period SU of the period RP that resets, rising signals RS can be offered scan electrode Y, and during removing after SU of last period is set (set-down) the period SD, dropping signal FS can be offered scan electrode Y.
When rising signals RS was offered scan electrode Y, because rising signals RS, weak dark discharge (discharge promptly is set) occurred in the discharge cell.Therefore, remaining wall electric charge (wallcharges) can be evenly distributed in the discharge cell.
When after rising signals RS is being provided dropping signal FS being offered scan electrode Y, weak erasure discharge (discharge promptly is set down) occurs in the discharge cell.Therefore, remaining wall electric charge can be evenly distributed in the discharge cell, to such an extent as to address discharge stably takes place.
During the addressing period AP after the period RP that resets, the scanning offset signal Vsc with voltage of the minimum voltage that is higher than dropping signal FS can be offered scan electrode Y.
During addressing period AP, the sweep signal Scan that descends from scanning offset signal Vsc can be offered scan electrode Y.
The width that the sweep signal that provides during the addressing period of other son field can be provided at the width that offers the sweep signal of scan electrode during the addressing period of at least one height field.For example, according to time sequencing, the width of the sweep signal in the son field can be greater than the width of the sweep signal in the next son field.In the son field of arranging continuously, the width of sweep signal can reduce gradually according to the order of 2.6 μ s, 2.3 μ s, 2.1 μ s, 1.9 μ s etc., perhaps can according to 2.6 μ s, 2.3 μ s, 2.3 μ s, 2.1 μ s,?, 1.9 μ s, 1.9 μ s etc. order reduce.
When sweep signal Scan is offered scan electrode Y, the data-signal Data corresponding to sweep signal Scan can be offered addressing electrode X.
When the wall electric charge that produces during by the period RP that resets was increased to wall voltage with the voltage difference between sweep signal Scan and the data-signal Data, address discharge can occur in it provides the discharge cell of data-signal Data.
Keeping during the period SP after addressing period AP can offer scan electrode Y or keep among the electrode Z at least one keeping signal SUS.For example, can alternately offer scan electrode Y and keep electrode Z keeping signal SUS.
When will by carry out wall voltage in the discharge cell that address discharge select be increased to keep signal SUS keep voltage Vs the time, whenever providing when keeping signal SUS, keep discharge (promptly show and discharge) and can occur in scan electrode Y and keep between the electrode Z.Therefore, image can be presented on the screen of plasma display.
Though the present invention has been described with reference to the drawings, it will be understood by those skilled in the art that under prerequisite without departing from the spirit and scope of the present invention, can be made in the multiple change of form and details aspect therein.
In addition, provide exemplary embodiment of the present invention,, and fully pass on notion of the present invention to those skilled in the art so that the disclosure will be completely and complete.Such variation should not think to deviate from the spirit and scope of the present invention, and it will be apparent to those of ordinary skill in the art that all such modifications should comprise within the scope of the appended claims.
Claims (20)
1. plasma display comprises:
First electrode and second electrode are located parallel the prebasal plate on it;
Be positioned at the black layer of first on described first electrode;
Be positioned at the black layer of second on described second electrode;
Be positioned at the metacoxal plate on described prebasal plate opposite; And
Between described prebasal plate and described metacoxal plate separating the barrier ribs of discharge cell,
The scope at the interval between the wherein said first black layer and the described second black layer be 0.7 times to 2.5 times of the shortest interval between at least one and the described barrier ribs from described first and second black layers.
2. plasma display according to claim 1, the scope at the described interval between the wherein said first black layer and the described second black layer be 0.8 times to 1.8 times of described the shortest interval between at least one and the described barrier ribs from described first and second black layers.
3. plasma display according to claim 1 further is included in corresponding to the 3rd black layer on the described prebasal plate of the position of described barrier ribs.
4. plasma display according to claim 1 further is included in the 4th black layer on the top of described barrier ribs.
5. plasma display according to claim 4, wherein at least one in the described first and second black layers and the shortest interval between the described the 4th black layer are substantially equal to the shortest described interval between described first and second black layers at least one and described barrier ribs.
6. plasma display according to claim 1, each comprises transparency electrode and bus electrode wherein said first electrode and described second electrode, and described first and second deceive between the described bus electrode of layer described transparency electrode that lays respectively at described first and second electrodes and described first and second electrodes.
7. plasma display according to claim 1, wherein said first electrode and described second electrode are from separating with at least one parallel described barrier ribs of described first electrode and described second electrode.
8. plasma display according to claim 1 wherein is substantially equal to the shortest described interval between the described barrier ribs and the described second black layer at the shortest described interval between the described barrier ribs and the described first black layer.
9. plasma display according to claim 8, the shortest described interval between the shortest described interval between the wherein said barrier ribs and the described first black layer, described barrier ribs and the described second black layer, and the described interval between the described first black layer and the described second black layer is equal to each other basically.
10. plasma display according to claim 1, wherein said barrier ribs comprise and first a parallel barrier ribs of the described first and second black layers, and second barrier ribs of intersecting with described first barrier ribs, and
The 5th black layer is positioned on the prebasal plate corresponding to the position of described second barrier ribs, to intersect with the described first and second black layers.
11. plasma display according to claim 1, each comprises transparency electrode and bus electrode wherein said first electrode and described second electrode, and each of the described transparency electrode of described first and second electrodes comprises:
With the described first black layer or the nonoverlapping first of the described second black layer;
With the described first black layer or the nonoverlapping second portion of the described second black layer, the distance of the centre from described second portion to described discharge cell is shorter than the distance of the centre from described first to described discharge cell; And
Between described first and described second portion and with the third part of the described first black layer or the described second black ply,
The length in the cross section that is shorter in length than described first in the cross section of wherein said second portion.
12. a plasma display comprises:
First electrode and second electrode are located parallel the prebasal plate on it;
Be positioned at the black layer of first on described first electrode;
Be positioned at the black layer of second on described second electrode;
Be positioned at the metacoxal plate on described prebasal plate opposite;
Between described prebasal plate and described metacoxal plate to separate the barrier ribs of discharge cell; And
Corresponding to the 3rd black layer on the described prebasal plate of the position of described barrier ribs,
The scope at the interval between the wherein said first black layer and the described second black layer be at least one and the described the 3rd 0.7 times to 2.5 times of the shortest interval between deceiving layer from the described first and second black layers.
13. plasma display according to claim 12, the wherein said first black layer and described interval between the described second black layer be at least one and the described the 3rd 0.8 times to 1.8 times of described the shortest interval between deceiving layer from the described first and second black layers.
14. plasma display according to claim 12, the shortest described interval between the shortest described interval between the wherein said the 3rd black layer and the described first black layer, the described the 3rd black layer and the described second black layer, and the shortest described interval between the described first black layer and the described second black layer is equal to each other basically.
15. plasma display according to claim 12, each comprises transparency electrode and bus electrode wherein said first electrode and described second electrode, and each of the described transparency electrode of described first and second electrodes comprises:
With the described first black layer or the nonoverlapping first of the described second black layer;
With the described first black layer or the nonoverlapping second portion of the described second black layer, wherein the distance of the centre from described second portion to described discharge cell is shorter than the distance of the centre from described first to described discharge cell; And
Between described first and described second portion and with the third part of the described first black layer or the described second black ply,
The length in the cross section that is shorter in length than described first in the cross section of wherein said second portion.
16. a plasma display comprises:
First electrode and second electrode are located parallel the prebasal plate on it, and each comprises transparency electrode and bus electrode described first electrode and described second electrode;
Be positioned at the metacoxal plate on described prebasal plate opposite;
Between described prebasal plate and described metacoxal plate to separate the barrier ribs of discharge cell; And
Corresponding to the black layer on the described prebasal plate of the position of described barrier ribs,
The scope at the interval between the described bus electrode of wherein said first and second electrodes is 0.7 times to 2.5 times of the shortest interval between at least one and the described black layer from the bus electrode of described first and second electrodes.
17. plasma display according to claim 16, the scope at the described interval between the described bus electrode of wherein said first and second electrodes are 0.8 times to 1.8 times of described the shortest interval between at least one and the described black layer from the bus electrode of described first and second electrodes.
18. plasma display according to claim 16, each of the described transparency electrode of wherein said first and second electrodes comprises:
With the nonoverlapping first of described bus electrode;
With the nonoverlapping second portion of described bus electrode, the distance of the centre from described second portion to described discharge cell is shorter than the distance of the centre from described first to described discharge cell; And
Between described first and second portion and the third part overlapping with described bus electrode,
The length in the cross section that is shorter in length than described first in the cross section of wherein said second portion.
19. plasma display according to claim 16, the darkness of wherein said bus electrode is higher than the darkness of described transparency electrode.
20. plasma display according to claim 16, wherein said bus electrode comprises the black material with conductivity.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060129024 | 2006-12-15 | ||
| KR1020060129024A KR100811485B1 (en) | 2006-12-15 | 2006-12-15 | Plasma display panel |
| KR10-2006-0129024 | 2006-12-15 | ||
| KR1020060138005A KR100867585B1 (en) | 2006-12-29 | 2006-12-29 | Plasma display panel |
| KR10-2006-0138005 | 2006-12-29 | ||
| KR1020060138005 | 2006-12-29 | ||
| PCT/KR2007/006602 WO2008072940A1 (en) | 2006-12-15 | 2007-12-17 | Plasma display panel |
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| Publication Number | Publication Date |
|---|---|
| CN101416266A CN101416266A (en) | 2009-04-22 |
| CN101416266B true CN101416266B (en) | 2010-07-21 |
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|---|---|---|---|
| CN2007800089901A Expired - Fee Related CN101416266B (en) | 2006-12-15 | 2007-12-17 | Plasma display panel |
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| CN1417833A (en) * | 2001-11-05 | 2003-05-14 | Lg电子株式会社 | Plasma display panel and its making process |
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| JP4139053B2 (en) | 2000-07-13 | 2008-08-27 | 大日本印刷株式会社 | Method for manufacturing front plate for plasma display panel |
| KR20030037487A (en) * | 2001-11-05 | 2003-05-14 | 엘지전자 주식회사 | A Plasma Display Panel |
| KR100726631B1 (en) * | 2004-12-16 | 2007-06-12 | 엘지전자 주식회사 | Manufacturing Method of Plasma Display Panel |
| KR100726648B1 (en) * | 2005-05-11 | 2007-06-11 | 엘지전자 주식회사 | Plasma Display Panel And Method Of Manufacturing The Same |
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| CN1417833A (en) * | 2001-11-05 | 2003-05-14 | Lg电子株式会社 | Plasma display panel and its making process |
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