CN101807505A - Plasma display panel - Google Patents
Plasma display panel Download PDFInfo
- Publication number
- CN101807505A CN101807505A CN 201010178263 CN201010178263A CN101807505A CN 101807505 A CN101807505 A CN 101807505A CN 201010178263 CN201010178263 CN 201010178263 CN 201010178263 A CN201010178263 A CN 201010178263A CN 101807505 A CN101807505 A CN 101807505A
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- Prior art keywords
- glass substrate
- visible light
- reflective coating
- plasma panel
- light reflective
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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
- H01J11/10—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
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Electromagnetism (AREA)
- Gas-Filled Discharge Tubes (AREA)
Abstract
The invention discloses a plasma display panel which comprises a front substrate and a back substrate. The back substrate is provided with a fluorescent powder layer, and a visible light reflective film layer of the plasma display panel is arranged on the back substrate and is used for reflecting lights emitted by the fluorescent powder layer to the front substrate. The invention can enhance the utilization ratio of the visible light emitted by a PDP (Plasma Display Panel) discharge unit and ensures the best luminous efficiency of the PDP.
Description
Technical field
The present invention relates to a kind of plasma panel.
Background technology
Plasma panel is a kind ofly to produce luminous new display spare by gas discharge, and its maximum characteristics are light, thin, and rich color is made big picture easily and do not had the problem at visual angle, can be called a kind of epoch-making display unit.
Fig. 1 is the generalized section according to the plasma panel discharge cell structure of correlation technique.
As shown in Figure 1, the plasma panel discharge cell comprises: metacoxal plate and prebasal plate.
The production program of metacoxal plate 2 is: at first make addressing electrode lines 21 on the glass substrate 20 of back, on addressing electrode lines 21, make dielectric layer 22 then, on dielectric layer 22, make the barrier groove again, after the barrier groove is made, make phosphor powder layer 24 more thereon, promptly be covered with fluorescent material in the barrier groove, fluorescent material can produce visible light.Metacoxal plate 2 is made of back glass substrate 20, addressing electrode lines 21, dielectric layer 22, barrier groove and phosphor powder layer 24.
Wherein, the upper surface of barrier 23 and dielectric layer 22 constitutes the barrier groove, and barrier 23 is vertically connected on the dielectric layer 22.
The production program of prebasal plate 1 is: at first make ITO lines 11 on front glass substrate 10; make bus electrode 12 more thereon; cover then and go up transparent dielectric layer 13, adopt the method for electron beam evaporation plating to make protective film at last, protective film can be a magnesium oxide (MgO) 14.
Wherein, charge into inert gas between prebasal plate 1 and the metacoxal plate 2, after the discharge beginning, charge into two inert gases between the glass substrate and excited, can launch vacuum ultraviolet, excited by vacuum ultraviolet fluorescent material, after fluorescent material is subjected to exciting of vacuum ultraviolet (VUV), can launch visible light.This light sees through the front glass substrate, becomes the luminous ray that enters in beholder's eye.
This traditional plasma panel (Plasma Display Panel, abbreviate PDP as) the discharge cell structure in the actual ignition process, find that the discharge cell visible light emitted can be divided into two parts, a part is through the reflection of barrier and dielectric material, become the effective sunlight that enters human eye, and a part can directly transmit back medium and back glass substrate, become invalid light, the light that invalid light not only makes discharge cell send can not effectively utilize, reduce the brightness of PDP, also made original just not high PDP light efficiency make a discount simultaneously.
Invalid at the light portion that sends owing to the display screen discharge cell in the correlation technique, as to cause plasma panel (PDP) brightness to reduce problem does not propose effective solution at present as yet.
Summary of the invention
The plasma panel that provides a kind of brightness higher is provided main purpose of the present invention.
To achieve these goals, according to an aspect of the present invention, provide a kind of plasma panel.
Higher ion display screen according to the present invention comprises: prebasal plate and metacoxal plate, have phosphor powder layer on the metacoxal plate, it is characterized in that, plasma panel can also comprise: the visible light reflective coating, be arranged on the metacoxal plate, be used for the light of phosphor powder layer emission is reflected to prebasal plate.
Further, metacoxal plate can comprise the back glass substrate; And the visible light reflective coating is positioned at the front side or the rear side of back glass substrate.
Further, metacoxal plate can comprise the back glass substrate; And the visible light reflective coating is attached to the front surface of back glass substrate.
Further, metacoxal plate can comprise the back glass substrate; And the visible light reflective coating is attached to the rear surface of back glass substrate.
Further, can also comprise the aluminium backboard that is positioned at glass substrate rear, back, the visible light reflective coating is between back glass substrate and aluminium backboard.
Further, the material of visible light reflective coating can be an aluminium foil specular layer material.
Further, metacoxal plate can comprise the back glass substrate, and the place ahead of back glass substrate is provided with dielectric layer; And the visible light reflective coating is arranged on the front surface of dielectric layer.
Further, metacoxal plate can comprise the back glass substrate and be arranged on the barrier of glass substrate top, back, surround the barrier groove between back glass substrate and the barrier; The visible light reflective coating is arranged on the inboard of barrier groove, is positioned at the below of phosphor powder layer.
Further, the below of barrier groove is provided with dielectric layer, is pasted with the visible light reflective coating at the front surface of dielectric layer.
Further, the visible light reflective coating comprises alumina layer, magnesium oxide layer or titanium oxide layer.
By the present invention, employing has phosphor powder layer on metacoxal plate, the visible light reflective coating of plasma panel is arranged on the metacoxal plate, be used for the light of phosphor powder layer emission is reflected to prebasal plate, solved in the correlation technique because the light portion that the display screen discharge cell sends is invalid, the problem that causes plasma panel (PDP) brightness to reduce, and then reach the utilance that improves PDP discharge cell visible light emitted, guaranteed the effect of the best light efficiency of PDP.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the plasma panel discharge cell of correlation technique;
Fig. 2 is the structural representation according to the plasma panel discharge cell of the embodiment of the invention one;
Fig. 3 is the structural representation according to the plasma panel discharge cell of the embodiment of the invention two;
Fig. 4 is the structural representation according to the plasma panel discharge cell of the embodiment of the invention three.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
According to embodiments of the invention, provide a kind of plasma panel.
Fig. 2 is the structural representation according to the plasma panel discharge cell of the embodiment of the invention one; Fig. 3 is the structural representation according to the plasma panel discharge cell of the embodiment of the invention two; Fig. 4 is the structural representation according to the plasma panel discharge cell of the embodiment of the invention three.
Shown in Fig. 2,3,4: plasma panel of the present invention can comprise: prebasal plate 1 and metacoxal plate 2, can have phosphor powder layer 24 on the metacoxal plate 2, plasma panel can also comprise: visible light reflective coating 40, be arranged on the metacoxal plate 2, be used for the light of phosphor powder layer 24 emissions is reflected to prebasal plate 1.
In the embodiment of the invention, visible light reflective coating 40 is attached in the metacoxal plate 2, the visible light of omitting out in the metacoxal plate 2 can be successfully reflected in this reflector, and from the front glass substrate ejaculation of prebasal plate, this improvement has improved the brightness and the effect of plasma panel.
Wherein, this visible light reflective coating 40 can place the back side of back glass substrate 20, also can place the surface of back medium 22, also can place the inboard of barrier 23.
As shown in Figure 2, metacoxal plate 2 can comprise back glass substrate 20 among the present invention; And visible light reflective coating 40 can be positioned at the front side or the rear side of back glass substrate 20.Visible light on the glass substrate 20 of back is successfully reflected.
Visible light reflective coating 40 can be attached to the front surface of back glass substrate 20, also can be attached to the rear surface of back glass substrate 20.
Wherein, plasma panel can also comprise the aluminium backboard that is positioned at glass substrate 20 rears, back, and visible light reflective coating 40 can be between back glass substrate 20 and aluminium backboard.
In the embodiment of the invention, the material that is attached to the visible light reflective coating 40 on the glass substrate of back can be an aluminium foil specular layer material.
In the embodiment of the invention one, after plasma panel PDP makes end, can paste one deck efficient visible light reflectance coating 40 in the outside of back glass substrate 20, the light of omitting out from back glass substrate 20 can be successfully reflected in this reflector, projects from the front glass substrate 10 of prebasal plate 1.This improvement is successfully reflected invalid light 27, thereby becomes effective sunlight 26, has improved the brightness and the efficient of plasma panel.This reflective film material selection is extensive, can be specular layer materials such as aluminium foil, and the attaching mode is mechanical grip or manual the attaching.After attaching finishes, hang aluminium backboard, Heat Conduction Material etc. in this reflective coating outside.
As shown in Figure 3, the place ahead of back glass substrate 20 is provided with dielectric layer 22; And visible light reflective coating 40 can be arranged on the front surface of dielectric layer 22.This reflective coating successfully reflects the visible light on the dielectric layer 22.Wherein, the material of visible light reflective coating 40 can be alumina layer, magnesium oxide layer or titanium oxide layer.
In the embodiment of the invention two, efficient visible light reflective coating 40 can be attached on the surface of back dielectric material 22, and the light of omitting out from dielectric layer 22 can be successfully reflected in this reflector, projects from the front glass substrate 10 of prebasal plate 1.This improvement succeeds in sending up invalid light 27, thereby becomes effective sunlight 26, has improved the brightness and the efficient of plasma panel.Because back dielectric layer 22 surface requirements are non-conductive, therefore, it is insulating barrier that visible light reflective coating 40 also requires, and the material of this layer has the alumina layer of high direct reflection, magnesium oxide layer, titanium oxide layer etc.The rete processing method is methods such as evaporation.
As shown in Figure 4, metacoxal plate 2 can comprise back glass substrate 20 and be arranged on the barrier 23 of glass substrate 20 tops, back, surround the barrier groove between back glass substrate 20 and the barrier 23; Visible light reflective coating 40 is arranged on the inboard of barrier groove 23, is positioned at the below of phosphor powder layer 24.Wherein, visible light reflective coating 40 can be alumina layer, magnesium oxide layer or titanium oxide layer.
Wherein, the below of obstacle groove also can be provided with dielectric layer 22, is pasted with visible light reflective coating 40 at the front surface of dielectric layer 22.
In the embodiment of the invention three, efficient visible light reflective coating 40 is attached on the surface of the dielectric layer 22 that the inboard of barrier groove is connected with obstacle 23 lower parts, and front glass substrate 10 places that reflector 40 can successfully reflex to barrier 23 inboards and dielectric layer 22 lip-deep a small amount of light of omitting out prebasal plate 1 penetrate.Because barrier groove 23 inboard requirements are non-conductive, therefore, it is insulating barrier that visible light reflective coating 40 also requires, and the material of this layer has the alumina layer of high direct reflection, magnesium oxide layer, titanium oxide layer etc.The rete processing method is methods such as evaporation.
As mentioned above, plasma panel of the present invention strengthened the reflection to invalid light, thereby the light that discharge cell is sent has obtained maximum utilization by the efficient visible light reflectance coating is implanted in the back substrate 1, has increased the brightness of PDP.
Shown in Fig. 2,3,4, prebasal plate and metacoxal plate constitute the discharge cell structure, front medium layer 13 constitutes region of discharge with back dielectric layer 22 and obstacle 23, fluorescent material 24 is layered on and produces visible light in the region of discharge, the optical reflection film laminating is in metacoxal plate, because the material of optical reflection film layer has albedo efficiently, so the visible light on original plasma panel region of discharge directive metacoxal plate is reflexed to the front glass substrate ejaculation of prebasal plate.
Said method is that the present invention realizes that plasma panel changes into the method for effective light with invalid light, has mainly utilized the isolation reflectivity properties in efficiency light reflector.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a plasma panel comprises prebasal plate (1) and metacoxal plate (2), has phosphor powder layer (24) on the described metacoxal plate (2), it is characterized in that described plasma panel also comprises:
Visible light reflective coating (40) is arranged on the described metacoxal plate (2), is used for the light of described phosphor powder layer (24) emission is reflected to described prebasal plate (1).
2. plasma panel according to claim 1 is characterized in that, described metacoxal plate (2) comprises back glass substrate (20); And,
Described visible light reflective coating (40) is positioned at the front side or the rear side of described back glass substrate (20).
3. plasma panel according to claim 2 is characterized in that, described metacoxal plate (2) comprises back glass substrate (20); And,
Described visible light reflective coating (40) is attached to the front surface of described back glass substrate (20).
4. plasma panel according to claim 2 is characterized in that, described metacoxal plate (2) comprises back glass substrate (20); And,
Described visible light reflective coating (40) is attached to the rear surface of described back glass substrate (20).
5. plasma panel according to claim 4 is characterized in that, also comprises the aluminium backboard that is positioned at glass substrate (20) rear, described back, and described visible light reflective coating (40) is positioned between described back glass substrate (20) and the described aluminium backboard.
6. according to each described plasma panel in the claim 2 to 5, it is characterized in that the material of described visible light reflective coating (40) comprises aluminium foil specular layer material.
7. plasma panel according to claim 2 is characterized in that, the place ahead of described back glass substrate (20) is provided with dielectric layer (22); And,
Described visible light reflective coating (40) is arranged on the front surface of described dielectric layer (22).
8. plasma panel according to claim 1, it is characterized in that, described metacoxal plate (2) comprises back glass substrate (20) and is arranged on the barrier (23) of described back glass substrate (20) top, surrounds the barrier groove between described back glass substrate (20) and the described barrier (23);
Described visible light reflective coating (40) is arranged on the inboard of described barrier groove (23), is positioned at the below of described phosphor powder layer (24).
9. plasma panel according to claim 8 is characterized in that, the below of described barrier groove is provided with dielectric layer (22), is pasted with described visible light reflective coating (40) at the front surface of described dielectric layer (22).
10. according to each described plasma panel in the claim 7 to 9, it is characterized in that described visible light reflective coating (40) comprises alumina layer, magnesium oxide layer or titanium oxide layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010178263 CN101807505A (en) | 2009-12-31 | 2010-05-11 | Plasma display panel |
| PCT/CN2011/073711 WO2011140952A1 (en) | 2010-05-11 | 2011-05-05 | Plasma display panel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910261857.8 | 2009-12-31 | ||
| CN 201010178263 CN101807505A (en) | 2009-12-31 | 2010-05-11 | Plasma display panel |
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| Publication Number | Publication Date |
|---|---|
| CN101807505A true CN101807505A (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010178263 Pending CN101807505A (en) | 2009-12-31 | 2010-05-11 | Plasma display panel |
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| CN (1) | CN101807505A (en) |
| WO (1) | WO2011140952A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011140952A1 (en) * | 2010-05-11 | 2011-11-17 | 四川虹欧显示器件有限公司 | Plasma display panel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412811A (en) * | 2001-10-12 | 2003-04-23 | 友达光电股份有限公司 | Plasma display device |
| CN1797664A (en) * | 2004-12-24 | 2006-07-05 | 中华映管股份有限公司 | Structure of plasma display device |
| CN1971819A (en) * | 2005-11-23 | 2007-05-30 | 乐金电子（南京）等离子有限公司 | Plasma display device |
| CN101266907A (en) * | 2007-03-16 | 2008-09-17 | 三星Sdi株式会社 | Plasma display panel (PDP) and its method of manufacture |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807505A (en) * | 2009-12-31 | 2010-08-18 | 四川虹欧显示器件有限公司 | Plasma display panel |
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2010
- 2010-05-11 CN CN 201010178263 patent/CN101807505A/en active Pending
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- 2011-05-05 WO PCT/CN2011/073711 patent/WO2011140952A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412811A (en) * | 2001-10-12 | 2003-04-23 | 友达光电股份有限公司 | Plasma display device |
| CN1797664A (en) * | 2004-12-24 | 2006-07-05 | 中华映管股份有限公司 | Structure of plasma display device |
| CN1971819A (en) * | 2005-11-23 | 2007-05-30 | 乐金电子（南京）等离子有限公司 | Plasma display device |
| CN101266907A (en) * | 2007-03-16 | 2008-09-17 | 三星Sdi株式会社 | Plasma display panel (PDP) and its method of manufacture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011140952A1 (en) * | 2010-05-11 | 2011-11-17 | 四川虹欧显示器件有限公司 | Plasma display panel |
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| Publication number | Publication date |
|---|---|
| WO2011140952A1 (en) | 2011-11-17 |
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Application publication date: 20100818 |