CN101110324A - Plasma display device - Google Patents
Plasma display device Download PDFInfo
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- CN101110324A CN101110324A CNA2006100860304A CN200610086030A CN101110324A CN 101110324 A CN101110324 A CN 101110324A CN A2006100860304 A CNA2006100860304 A CN A2006100860304A CN 200610086030 A CN200610086030 A CN 200610086030A CN 101110324 A CN101110324 A CN 101110324A
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Abstract
The invention relates to a plasma display, which comprises a discharge unit with certain spacing is formed by dividing a front glass plate with a scanning electrode and a maintenance electrode as well as a spacing wall between an addressing electrode and a front glass plate; the discharge unit is composed of a R pixel, a G pixel and a B pixel; one of the R, G and B pixels is arranged with horizontal rectangular shape while the rest two pixels are arranged with horizontal rectangular shape, so as to form an asymmetric unit structure. Therefore, the invention, which improves the structure of the discharge unit and electrode in plasma display, does not only improve the discharge efficiency but also enhance the visual effect of color temperature compensation.
Description
Technical field
The present invention relates to a kind of plasma display, relate in particular to a kind of plasma display that improves the discharge cell structure.
Background technology
Generally speaking, for plasma display (Plasma Display Panel:PDP), it is a kind of picture to be carried out device shown.The spaced walls that forms between front glass panel that is made of soda lime (Soda-lime) glass and back glass plate constitutes the unit of a unit.Then, will main discharge gas and a spot of xenon inert gases such as (Xe) of mist (Ne+He) of containing neon (Ne), helium (He) or neon and helium and so on be arranged in each unit.When producing discharge, will produce vacuum ultraviolet (Vacuum Ultraviolet rays), thereby make the light-emitting phosphor that between spaced walls, forms, like this, just can carry out picture and show by high frequency voltage.
Fig. 1 is the organigram of prior art plasma display apparatus.As shown in Figure 1, for plasma display, the front glass panel 10 that picture is shown and constitute between the back glass plate 20 of aft section and be provided with a tiny interval, thus front glass panel and back glass plate are combined in parallel to each other.The bottom of front glass panel 10 be provided be used for keeping the unit that causes by the mutual discharge between the pixel electrode luminous keep electrode 11,12.Keep electrode 11,12 and comprised scan electrode 11 and kept electrode 12, scan electrode 11 and keep electrode 12 and be used for making the inert gas of a discharge cell to discharge mutually, and keep the luminous of unit.Scan electrode 11 all is to be made of bus electrode 11b, 12b that the transparency electrode 11a, the 12a that adopt transparent ITO material to make and employing metal material are made with keeping electrode 12.Above-mentioned scan electrode 11 is mainly used in provides sweep signal of carrying out panel scanning and the signal of keeping of keeping discharge, and the above-mentioned electrode 11 of keeping is mainly used in to provide and keeps signal.The above-mentioned electrode 11,12 of keeping is inserted in and can limits discharging current, and makes among the more than one upper dielectric layer 13a that insulate between two kinds of electrodes.On dielectric layer 13a, for making discharging condition be more prone to form to contain the diaphragm 14 of magnesium oxide (MgO).
On the glass plate 20 of back, be formed with a plurality of discharge spaces.That is to say the strip or well (well) the shape spaced walls 21 that on the dielectric layer of back glass plate 20, are being arranged in parallel and are forming the unit.In addition, be used to carry out address discharge and produce vacuum ultraviolet a plurality of addressing electrode 22 and be arranged in parallel with respect to spaced walls 21.On the upper side of back glass plate 20, be coated with, be used for when address discharge, carrying out image and show at the R that can radiate visible rays, G, B fluorescence coating 23.
Fig. 2 a to Fig. 2 d is the structural representation that has the discharge cell of different shape in the prior art plasma display.Fig. 2 a is the structural representation that expression has the banded discharge cell of strip (Stripe Type) spaced walls; Fig. 2 b is the structural representation with right angle enclosed type discharge cell of well shape (Well Type) spaced walls; Fig. 2 c is the structural representation with triangle layout type discharge cell of triangle spaced walls; Fig. 2 d has the structural representation of the honeycomb type discharge cell of triangle spaced walls.As shown in the figure, the discharge cell 101 of plasma display is made up of the R with equal area and same modality, G, B sub-pixel, and each sub-pixel 101a, 101b, 101c are spaced apart wall 21 and separate.
On the one hand, the same with displays such as CRT, LCD, FED, plasma display is in order to show that white light also needs colour temperature is compensated.This so-called color temperature compensating is exactly colour temperature to be adjusted to user's the reasonable state of visual experience of allowing, and when showing white light, is adjusted to the visual experience that the high blue white light of colour temperature can be more suitable for the user generally speaking.
But in plasma display in the past,,, must in the process of handling according to the brightness ratio map over signal of R, G, three kinds of colors of B, carry out signal processing in order to be adjusted to the high blue white light of colour temperature if the identical sub-pixel of area is set.Will be created in the low problem of gray scale expressive force in the process of handling according to the light characteristic map over signal of R, G, B fluorophor like this.
Summary of the invention
The present invention researches and develops for the problem that solves above-mentioned prior art and produce.The object of the present invention is to provide a kind of plasma display, it has not only promoted gray scale and colour temperature by improving the structure of discharge cell, has also improved user's visual experience.
To achieve these goals, plasma display of the present invention, comprise: by being provided with scan electrode and keeping the front glass panel of electrode and the spaced walls that is provided with between the back glass plate of addressing electrode is divided the discharge cell with certain intervals that forms, above-mentioned discharge cell is made up of red (R), green (G), blue (B) three sub pixels, any one sub-pixel in above-mentioned redness (R), green (G), blue (B) sub-pixel is arranged to horizontal rectangular shape, two other sub-pixel is arranged to vertical rectangular shape, is asymmetric cellular construction.
The area of the above-mentioned sub-pixel that is horizontal rectangular shape is less than the above-mentioned area that is the sub-pixel of vertical rectangular shape.
The above-mentioned longitudinal length that is the sub-pixel of horizontal rectangular shape be above-mentioned two sub-pixels that are vertical rectangular shape longitudinal length 1/2nd.
Above-mentioned discharge cell frame anyhow all is closed state.
The scan electrode that is provided with on the above-mentioned front glass panel and keep electrode: be arranged in the bus electrode on the lateral separation wall that is used to divide above-mentioned redness (R), green (G), blueness (B) sub-pixel by forming with bottom electrode; Be projected into the transparency electrode of above-mentioned redness (R), green (G), blue (B) sub-pixel central part; The addressing electrode correspondence of above-mentioned back glass plate setting is arranged on the longitudinal separation wall of dividing above-mentioned sub-pixel, and has comprised to the outstanding protuberance of above-mentioned sub-pixel central part.
The lateral length of the sub-pixel that is horizontal rectangular shape in the above-mentioned sub-pixel is less than the lateral length sum of two sub-pixels that are vertical rectangular shape.
Above-mentioned transparency electrode is outstanding to the angular direction towards green (G) and blue (B) sub-pixel central part, and above-mentioned addressing electrode is outstanding to the angular direction towards green (G) and blue (B) sub-pixel central part, and corresponding with above-mentioned transparency electrode.
As mentioned above, the structure and the electrode structure of the discharge cell of the present invention by improving plasma display, thus not only improved the efficient of discharge, also promoted the visual experience of color temperature compensating.
Description of drawings
Fig. 1 is the schematic diagram of prior art structure of plasma display device;
Fig. 2 a to Fig. 2 d is the structural representation that has the discharge cell of different shape in the prior art plasma display;
Fig. 3 is the plane perspective view of the discharge cell and the electrode structure of plasma display of the present invention;
Fig. 4 is the front glass panel electrode structure schematic diagram of discharge cell configuration of the present invention;
Fig. 5 is the back glass plate electrode structural representation of discharge cell configuration of the present invention;
Fig. 6 is another plane perspective view of plasma display discharge cell of the present invention and electrode structure.
The symbol description of major part in the accompanying drawing
10: front glass panel 11: scan electrode
12: keep electrode 11a, 12a: transparency electrode
11b, 12b: bus electrode 13a: dielectric layer
14: protective layer 20: the back glass plate
21: spaced walls 22: addressing electrode
23: fluorescence coating
Embodiment
With reference to the accompanying drawings the preferred embodiments of the present invention are described in more details.
At first, for plasma display of the present invention, the front glass panel that picture is shown and constitute between the back glass plate of aft section and be provided with a tiny interval, thus front glass panel and back glass plate are combined in parallel to each other.Front glass panel being provided with is used for the scan electrode that scanning impulse is provided and keeps pulse and keeps electrode when plasma display drives, back glass plate being provided with is used to the addressing electrode of data pulse is provided and be used for the dividing discharge unit and have the spaced walls of certain intervals each other.Have discharge cell in the plasma display of the present invention of said structure and electrode structure as shown in Figure 3.
Fig. 3 is the plane perspective view of the discharge cell and the electrode structure of plasma display of the present invention.As shown in Figure 3, plasma display of the present invention is provided with the discharge cell 201 that is made of red (R), green (G), blue (B) three sub-pixel 201a, 201b, 201c, and the area of any one sub-pixel among red (R), green (G), blue (B) three sub-pixel 201a, 201b, the 201c is less than remaining two areas with sub-pixel of the same area.For the structure of this discharge cell 201, the difference according to the sub-pixel area that is coated with fluorescence coating when carrying out color temperature compensating, demonstrates blue white light or red white light.
According to the difference of user's pupil color, it is watched the visual experience of plasma display image can be divided into suitable blue white light and is fit to red white light.Usually, pupil color is that the user of black feels more comfortable to blue white light.Therefore, the redness of sub-pixel 201a (R) phosphor coated area minimum in sub-pixel of the present invention, thus contained blue light is more when making display show white light.Certainly, in each sub-pixel, the area minimum of red (R) sub-pixel, remain two greens (G), blueness (B) even the area of sub-pixel 201b, 201c to some extent difference also can both demonstrate blue white light.
As mentioned above, at the discharge cell of forming by three sub-pixel 201a, 201b, 201c 201, in order to make in three sub-pixels area minimum except one of them sub-pixel, the area of all the other two subpixel is identical, preferably adopt structure shown in Figure 3, be that sub-pixel 201a is horizontal rectangular shape, all the other two sub-pixel 201b, 201c are vertical rectangular shape.Certainly, the area that at this moment is the sub-pixel 201a of horizontal rectangular shape is less than all the other two and is the sub-pixel 201b of vertical rectangular shape, the area of 201c.In addition, be and be coated with red (R) fluorescence coating among the sub-pixel 201a of horizontal rectangular shape.
Fig. 4 is the front glass panel electrode structure schematic diagram of discharge cell configuration of the present invention.As shown in the figure, be provided with scan electrode 210 on the front glass panel of plasma display and keep electrode 220, scan electrode 210 and keep electrode 220 and all form by bus electrode 210a, 220a and transparency electrode 210b, 220b.Bus electrode 210a, 220a are arranged in parallel within the lateral separation wall A that is used for dividing red (R), green (G), blue (B) sub-pixel, and transparency electrode 210b, 220b give prominence to the central part at the redness (R) that is divided into by lateral separation wall A and longitudinal separation wall B, green (G), blue (B) sub-pixel.
The bus electrode 210a, the 220a that are arranged on the wall A of lateral separation the time can not reduce the aperture of visible rays in discharge, and transparency electrode 210b, the 220b outstanding to central part can improve discharging efficiency. Better transparency electrode 210b, 220b structure are exactly: the transparency electrode that is arranged in parallel 210b, 220b, thus make the transparency electrode 210b, the relative area between the 220b that are projected into the sub-pixel central part increase, and further promote discharging efficiency.
On the one hand, the discharge cell of being made up of the sub-pixel with horizontal and vertical rectangular shape 201 is square shape, be horizontal rectangular shape sub-pixel 201a and be vertical rectangular shape sub-pixel 210b, 201c positional alignment as shown in the figure, when the length on a limit of discharge cell 201 is made as L, the longitudinal length (h1) that is the sub-pixel 201a of horizontal rectangular shape is 1/3 of discharge cell one edge lengths (L), and the longitudinal length (h2) that is two sub-pixel 201b, 201c of vertical rectangular shape is 2/3 of discharge cell one edge lengths (L).That is to say that the longitudinal length that is the sub-pixel 201a of horizontal rectangular shape is 1/2 of two sub-pixel 201b being vertical rectangular shape, a 201c longitudinal length.
Fig. 5 is the back glass plate electrode structural representation of discharge cell configuration of the present invention.As shown in the figure, be provided with addressing electrode 230 on the back glass plate of plasma display.Addressing electrode 230 is arranged in parallel within the longitudinal separation wall B that is used for dividing red (R), green (G), blue (B) sub-pixel, and is provided with to the outstanding protuberance 230a of sub-pixel central part.At this moment, the addressing electrode 230 that is among the sub-pixel 201a of horizontal rectangular shape is on the longitudinal separation wall, and runs through central part.In addition, to the shape of the outstanding protuberance 230a of sub-pixel central part according to sub-pixel, just giving prominence to protuberance 230a end in being the sub-pixel 201a of horizontal rectangular shape, to be gasket shape transversely arranged, gives prominence to protuberance 230a end in being sub-pixel 201b, the 201c of vertical rectangular shape and be gasket shape and vertically arrange.
Why will be arranged to said structure, be in order balancedly to discharge between scan electrode in address period 210 and the addressing electrode 230.Preferred structure is exactly to be provided with the transverse width that is the sub-pixel 201a of horizontal rectangular shape in the sub-pixel less than two sub-pixel 201b, 201c transverse width sums that are vertical rectangular shape.This is in order to make the addressing electrode 230 on the longitudinal separation wall B that is arranged in sub-pixel produce map to the above-mentioned sub-pixel that is horizontal rectangular shape when carrying out address discharge.
Fig. 6 is another plane perspective view of plasma display discharge cell of the present invention and electrode structure.As shown in Figure 6, the discharge cell of the discharge cell of plasma display of the present invention and electrode structure and plasma display shown in Figure 3 and electrode structure are much at one.Just be arranged in transparency electrode 210b, 220b the angular direction is given prominence in green (G), blue (B) sub-pixel towards central part.Addressing electrode 230 is corresponding to transparency electrode 210b, 220b giving prominence to the angular direction towards green (G), blue (B) sub-pixel central part.
Electrode with this arrangement architecture makes diagonal angle region of discharge and face region of discharge strengthen, thereby has improved luminous efficiency.
Being familiar with the technical staff and can carrying out the change of other concrete form to embodiments of the invention not departing from the technology of the present invention thought and necessary characteristics fully of the technical field of the invention.Therefore, above-described embodiment launches with the purpose of example in all respects, do not have limitation, compared with above-mentioned detailed description, scope of the present invention more is embodied in the claim scope, and all changes that the thought of claim scope and scope and equivalent concepts thereof derive or the form of variation should belong to scope of the present invention.
Claims (8)
1. plasma display, it is characterized in that, comprise: by being provided with scan electrode and keeping the front glass panel of electrode and the spaced walls that is provided with between the back glass plate of addressing electrode is divided the discharge cell with certain intervals that forms, above-mentioned discharge cell is made up of R, G, B three sub pixels, any one sub-pixel in above-mentioned R, G, the B sub-pixel is arranged to horizontal rectangular shape, two other sub-pixel is arranged to vertical rectangular shape, is asymmetric cellular construction.
2. plasma display as claimed in claim 1 is characterized in that: have two sub-pixels of the same area and be arranged to vertical rectangular shape, a remaining sub-pixel is arranged to horizontal rectangular shape.
3. plasma display as claimed in claim 2 is characterized in that: the above-mentioned sub-pixel that is horizontal rectangular shape is the sub-pixel that has been coated with the red fluorescence layer.
4. plasma display as claimed in claim 2 is characterized in that: the above-mentioned longitudinal length that is the sub-pixel of horizontal rectangular shape be above-mentioned two sub-pixels that are vertical rectangular shape longitudinal length 1/2nd.
5. plasma display as claimed in claim 1 is characterized in that: above-mentioned discharge cell frame anyhow all is a closed state.
6. plasma display as claimed in claim 1 is characterized in that:
The scan electrode that is provided with on the above-mentioned front glass panel and keep electrode: be arranged in the bus electrode on the lateral separation wall that is used to divide above-mentioned R, G, B sub-pixel by forming with bottom electrode; Be projected into the transparency electrode of above-mentioned R, G, B sub-pixel central part;
The addressing electrode correspondence of above-mentioned back glass plate setting is arranged on the longitudinal separation wall of dividing above-mentioned sub-pixel, and has comprised to the outstanding protuberance of above-mentioned sub-pixel central part.
7. plasma display as claimed in claim 6 is characterized in that: the lateral length of the sub-pixel that is horizontal rectangular shape in the above-mentioned sub-pixel is less than the lateral length sum of two sub-pixels that are vertical rectangular shape.
8. plasma display as claimed in claim 6, it is characterized in that: above-mentioned transparency electrode is outstanding to the angular direction towards G and B sub-pixel central part, above-mentioned addressing electrode is outstanding to the angular direction towards G and B sub-pixel central part, and corresponding with above-mentioned transparency electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100860304A CN101110324A (en) | 2006-07-20 | 2006-07-20 | Plasma display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100860304A CN101110324A (en) | 2006-07-20 | 2006-07-20 | Plasma display device |
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| CN101110324A true CN101110324A (en) | 2008-01-23 |
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| CNA2006100860304A Pending CN101110324A (en) | 2006-07-20 | 2006-07-20 | Plasma display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257494A (en) * | 2013-04-27 | 2013-08-21 | 北京京东方光电科技有限公司 | Display substrate and display device |
| CN103529614A (en) * | 2013-10-30 | 2014-01-22 | 北京京东方光电科技有限公司 | Array base plate, display device and driving method thereof |
| CN104407480A (en) * | 2014-11-05 | 2015-03-11 | 深圳市华星光电技术有限公司 | Pixel structure and liquid crystal display panel with pixel structure |
-
2006
- 2006-07-20 CN CNA2006100860304A patent/CN101110324A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257494A (en) * | 2013-04-27 | 2013-08-21 | 北京京东方光电科技有限公司 | Display substrate and display device |
| WO2014173063A1 (en) * | 2013-04-27 | 2014-10-30 | 北京京东方光电科技有限公司 | Display substrate and display device |
| CN103257494B (en) * | 2013-04-27 | 2016-03-30 | 北京京东方光电科技有限公司 | Display base plate and display device |
| CN103529614A (en) * | 2013-10-30 | 2014-01-22 | 北京京东方光电科技有限公司 | Array base plate, display device and driving method thereof |
| CN103529614B (en) * | 2013-10-30 | 2016-06-01 | 北京京东方光电科技有限公司 | Array substrate, display unit and driving method thereof |
| CN104407480A (en) * | 2014-11-05 | 2015-03-11 | 深圳市华星光电技术有限公司 | Pixel structure and liquid crystal display panel with pixel structure |
| CN104407480B (en) * | 2014-11-05 | 2017-05-31 | 深圳市华星光电技术有限公司 | Dot structure and the liquid crystal display panel with the dot structure |
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