CN102515482B - Glass substrate, preparation method and preparation mould for glass substrate, and plasma display screen comprising glass substrate - Google Patents
Glass substrate, preparation method and preparation mould for glass substrate, and plasma display screen comprising glass substrate Download PDFInfo
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- CN102515482B CN102515482B CN201110458156.0A CN201110458156A CN102515482B CN 102515482 B CN102515482 B CN 102515482B CN 201110458156 A CN201110458156 A CN 201110458156A CN 102515482 B CN102515482 B CN 102515482B
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Abstract
The invention provides a glass substrate, a preparation method and a preparation mould for the glass substrate, and a plasma display screen comprising the glass substrate. The upper surface of the preparation mould for the glass substrate adopts a protrusion structure with a high middle part and a low periphery; and the included angles between the normal lines at the central point and the boundary points of the upper surface, and the central line of the upper surface are increased gradually in sequence. The invention has the advantage that through the change of the structure of the glass substrate in the front substrate of the plasma display screen, light paths in the display process of the plasma display screen change to form diverging lights shielding a seal frame at the periphery of the display screen, so as to form a display screen without a seal frame, which has the effect that the display visual effect is enhanced while the display area is not increased.
Description
Technical field
The invention belongs to plasma panel field, the plasma panel of relate in particular to a kind of glass substrate, its preparation method, preparing mould and comprise it.
Background technology
General alternating current gas discharge plasma display screen all adopts surface discharge type structure at present; comprise a prebasal plate and the metacoxa sealing with it; on prebasal plate, dispose transparency electrode ITO and bus electrode; transparency electrode and bus electrode form discharge electrode; discharge electrode comprises sustain discharge electrode X and scanning discharge electrode Y; surface coverage at discharge electrode has one deck medium layer, protective cover on medium layer, for example magnesium oxide films.On metacoxa, dispose and the orthogonal addressing electrode of discharge electrode, on addressing electrode, cover one deck medium layer, on medium layer, dispose the barrier rib parallel with its addressing electrode, and the bottom in barrier rib is coated with phosphor powder layer, front-back baseboard seals with glass powder with low melting point, and is filled with discharge gas betwixt.
During existing display screen panel is made, upper lower glass substrate is by sealing frame sealing-in securely, and sealing frame wraps whole indicating meter in the surrounding of screen.When watching, there is obvious boundary in existing this display screen, always gives a kind of limitation sense of people, and in order to increase sense of vision, increasing large size display screen is pushed out.
Summary of the invention
Obvious in order to solve in prior art display screen sealing frame, the deficiency of strong, the poor visual effect of limitation sense during demonstration, the plasma panel of provide a kind of glass substrate, its preparation method, preparing mould and comprise it.
In one aspect of the invention, provide a kind of glass substrate to prepare mould, the bulge-structure high in the middle of the upper surface of preparing mould is, surrounding is low, and upper surface by the normal of central point, normal and the angle between medullary ray to frontier point increases successively gradually.
Further, the normal of above-mentioned frontier point and the corresponding radian of the angle between medullary ray are 0.01745 radian～0.4363 radian.
Further, the above-mentioned upper surface of preparing mould is comprised of a plurality of support units, between each adjacent supports unit, seamlessly transit, and in each support unit, normal and the angle between medullary ray at the normal of the point near center position place and the point of close frontier point position increases successively gradually.
In another aspect of the present invention, a kind of preparation method of glass substrate is provided, comprise the following steps: glass substrate idiosome is placed on to above-mentioned glass substrate and prepares on mould, high temperature sintering, make glass substrate idiosome softening, paste at glass substrate and prepare on mould, form and prepare with glass substrate the shape that mould is identical, form preparation body; Preparation body lower surface is polished, obtain glass substrate.
Further, the thickness of above-mentioned glass substrate idiosome is 4mm～7mm, and sintering temperature is 900 ℃～1600 ℃, is incubated 40～100 minutes, and being then cooled to glass substrate idiosome surface temperature is 25～35 ℃, forms preparation body.
Further, the speed with 5 ℃/min～6 ℃/min in above-mentioned sintering process heats up, and temperature-fall period carries out with the speed of 2.8 ℃/min～3.5 ℃/min.
Further, when above-mentioned preparation body lower surface polishes, the thickness of controlling glass substrate central position is 1.5mm～2mm.
In another aspect of the present invention, a kind of glass substrate is provided, it is characterized in that, by above-mentioned method, be prepared from.
In another aspect of the present invention, a kind of plasma panel is provided, comprise prebasal plate and metacoxa, and the sealing frame that is arranged on prebasal plate and metacoxa periphery, it is characterized in that, the glass substrate in prebasal plate is above-mentioned glass substrate.
Further, the width of above-mentioned sealing frame is 0.8mm～1.7mm.
By glass substrate provided by the invention, its preparation method, the plasma panel preparing mould and comprise it, by the structure of glass substrate in the prebasal plate of change plasma panel, this plasma panel light path in the process showing is changed, formed diverging light is covered the sealing frame that is positioned at display screen surrounding, formation does not have the display screen of sealing frame, this display screen is not increasing on the basis of display area, has strengthened the visual effect that display screen shows.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
Accompanying drawing forms the part of this specification sheets, for further understanding the present invention, accompanying drawing shows the preferred embodiments of the present invention, and is used for illustrating principle of the present invention together with specification sheets.In figure:
Fig. 1 shows according to glass substrate preparation flow figure in the embodiment of the present invention; And
Fig. 2 shows according to the structural representation of embodiment of the present invention ionic medium display screen.
Embodiment
Be noted that following detailed description is all exemplary, is intended to the invention provides further instruction.Unless otherwise, all technology used herein and scientific terminology have the identical meanings of conventionally understanding with general technical staff of the technical field of the invention.
In a kind of typical embodiment of the present invention, the bulge-structure high in the middle of the upper surface that glass substrate is prepared mould is, surrounding is low, and this mould upper surface is increased successively gradually by normal to the angle between the normal of frontier point of central point.Above-mentioned central point refers to that mold center's line and upper surface intersect the point forming, and frontier point refers to that mould periphery and upper surface intersect the point forming, and normal refers to the line perpendicular with reference point place tangent line.
It is in order to prepare special-purpose glass substrate that this glass substrate provided by the present invention is prepared mould, prepared glass substrate is due to the bulge-structure high in the middle of having, surrounding is low, change the refraction angle of glass substrate, make to change through the light path of the light of glass substrate, and then the sealing frame that the light dispersed of the plasma panel that makes to adopt this glass substrate will be positioned at display screen surrounding covers, form the display screen that there is no sealing frame.Wherein, the normal of frontier point and the angle between medullary ray are determined according to the width of the area of screen and sealing-in line.This plasma panel is not increasing on the basis of display area, has strengthened the visual effect that display screen shows.
The radian of the arc that preferably, the angle between the normal of frontier point and central point normal and described upper surface are corresponding is 0.01745 radian～0.4363 radian.Angle between the normal of frontier point and central point normal can form enough diverging lights to cover sealing frame within the scope of this, can not affect because diverging light is excessive the visual effect of image again simultaneously.
Preferably, upper surface is comprised of a plurality of support units, between each adjacent supports unit, seamlessly transit, and in each support unit, normal and the angle between described medullary ray at the normal of the point near described center position place and the point of close described frontier point position increases successively gradually.These support units can form a plurality of display units when preparing glass substrate, the luminescence unit of each display unit in can corresponding 1～10 display screen.The setting of a plurality of support units can be calculated the angle subregion of the each point normal of glass substrate upper surface and medullary ray, can simplify method of calculation so on the one hand, can also increase computational accuracy on the other hand.
At above-mentioned glass substrate, prepare in the preparation process of mould, can analyze with reference to the law of refraction, calculate, to those skilled in the art, have the ability to calculate the normal angle that glass substrate is prepared each point on mould upper surface, be prepared out this glass substrate and prepare mould, do not repeat them here.
As shown in Figure 1, in a kind of typical embodiment of the present invention, the preparation method of glass substrate comprises the following steps: glass substrate idiosome is placed on to above-mentioned glass substrate and prepares on mould 4, high temperature sintering, make glass substrate idiosome softening, paste at glass substrate and prepare on mould, form and prepare with described glass substrate the shape that mould is identical, form preparation body 11; Again preparation body lower surface is polished, obtain glass substrate 1.
This method is prepared mould 4 by first preparing glass substrate, form fixing shape, again glass substrate idiosome is placed on mould, utilize glass material at high temperature easily softening, form the feature of the structure identical with its accole structure, simplified the preparation technology of glass substrate, be applicable to large-scale industrialization and produce.
Preferably, the thickness of glass substrate idiosome is 4mm～7mm, and the thickness of glass substrate idiosome is not easy too greatly softening moulding, and thickness is too little is unfavorable for again the ensuing processing that polishes.Preferably, form in the process of preparation body, sintering temperature is 900 ℃～1600 ℃, is incubated 40～100 minutes, and being then cooled to described glass substrate idiosome surface temperature is 25～35 ℃, forms preparation body.The setting of these processing parameters can make the glass substrate idiosome neither can overbate on the one hand, can form desired shape again, prepares the good glass substrate of refracted light effect.
Preferably,, the speed with 5 ℃/min～6 ℃/min in sintering process heats up, and temperature-fall period carries out with the speed of 2.8 ℃/min～3.5 ℃/min.Control and heat up and cooling rate, the inequality that can keep from heat on the one hand, the adverse consequences bursting, be conducive on the other hand the shaping gradually of glass material, and then formed structure is more accurate.
Preferably, when preparing body lower surface in above-mentioned preparation process and polishing, the thickness of controlling described glass substrate central position is 1.5mm～2mm.Thickness is too little, Glass breadks easily, and thickness affects refraction effect too greatly again, can access the good glass substrate of over-all properties within the scope of this.
Adopt the prepared glass substrate of aforesaid method, due to the bulge-structure high in the middle of having, surrounding is low, change the refraction angle of glass substrate, make to change through the light path of the light of glass substrate, and then the sealing frame that the light dispersed of the plasma panel that makes to adopt this glass substrate will be positioned at display screen surrounding covers, form the display screen that there is no sealing frame.This plasma panel is not increasing on the basis of display area, has strengthened the visual effect that display screen shows.、
As shown in Figure 2, also provide in the present invention a kind of plasma panel, comprised prebasal plate and metacoxa 2, and the sealing frame 3 that is arranged on described prebasal plate and metacoxa periphery.Glass substrate 1 in prebasal plate is above-mentioned glass substrate.The light that this plasma panel is dispersed is covered the sealing frame that is positioned at display screen surrounding, forms the display screen that there is no sealing frame.This plasma panel is not increasing on the basis of display area, has strengthened the visual effect that display screen shows.。
Preferably, in above-mentioned plasma panel, the width of sealing frame is 0.8mm～1.7mm.In this width range, take into account the supporting role of display screen and diverging light coverage, make its visual effect better.
Below with reference to embodiment, further illustrate beneficial effect of the present invention.
The preparation method of glass substrate:
Normal and the corresponding radian of the angle between medullary ray that glass substrate is prepared mould upper surface frontier point are 0.01745 radian.
The glass substrate idiosome that is 7mm by thickness is placed on glass substrate to be prepared on mould, with the speed of 6 ℃/min, be warming up to 1600 ℃, be incubated 100 minutes, make glass substrate idiosome softening, paste at glass substrate and prepare on mould, form and to prepare with glass substrate the shape that mould is identical, the speed of 3.5 ℃/min of then take is cooled to glass substrate idiosome surface temperature as 35 ℃, forms and prepares body;
Preparation body lower surface is polished, and the thickness of controlling glass substrate central position is 2mm, obtains glass substrate sample 1.
The plasma panel that adopts 1 preparation of glass substrate sample, the distance at 7m during demonstration be can't see sealing frame outward, and visual effect is good.
The preparation method of glass substrate:
Normal and the corresponding radian of the angle between medullary ray that glass substrate is prepared mould upper surface frontier point are 0.2546 radian.
The glass substrate idiosome that is 4mm by thickness is placed on glass substrate to be prepared on mould, with the speed of 5 ℃/min, be warming up to 900 ℃, be incubated 40 minutes, make glass substrate idiosome softening, paste at glass substrate and prepare on mould, form and to prepare with glass substrate the shape that mould is identical, the speed of 2.8 ℃/min of then take is cooled to glass substrate idiosome surface temperature as 25 ℃, forms and prepares body;
Preparation body lower surface is polished, and the thickness of controlling glass substrate central position is 1.5mm, obtains glass substrate.
The plasma panel that adopts 1 preparation of glass substrate sample, the distance at 4m during demonstration be can't see sealing frame outward, and visual effect is good.
Embodiment 3
The preparation method of glass substrate:
Normal and the corresponding radian of the angle between medullary ray that glass substrate is prepared mould upper surface frontier point are 0.4363 radian.
The glass substrate idiosome that is 5.2mm by thickness is placed on glass substrate to be prepared on mould, with the speed of 5.6 ℃/min, be warming up to 1100 ℃, be incubated 60 minutes, make glass substrate idiosome softening, paste at glass substrate and prepare on mould, form and to prepare with glass substrate the shape that mould is identical, the speed of 3.1 ℃/min of then take is cooled to glass substrate idiosome surface temperature as 29 ℃, forms and prepares body;
Preparation body lower surface is polished, and the thickness of controlling glass substrate central position is 1.8mm, obtains glass substrate.
The plasma panel that adopts 1 preparation of glass substrate sample, the distance at 5m during demonstration be can't see sealing frame outward, and visual effect is good.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. glass substrate is prepared a mould, it is characterized in that, the bulge-structure that the described upper surface of preparing mould is high in the middle of being, surrounding is low, and described upper surface by the normal of central point, normal and the angle between medullary ray to frontier point increases successively gradually; The normal of described frontier point and the corresponding radian of the angle between medullary ray are 0.01745 radian～0.4363 radian.
2. the mould of preparing according to claim 1, it is characterized in that, described upper surface is comprised of a plurality of support units, between each adjacent supports unit, seamlessly transit, and in each support unit, normal and the angle between described medullary ray at the normal of the point near described center position place and the point of close described frontier point position increases successively gradually.
3. a preparation method for glass substrate, is characterized in that, comprises the following steps:
The glass substrate that glass substrate idiosome is placed on described in claim 1 or 2 is prepared on mould, high temperature sintering, makes described glass substrate idiosome softening, pastes at described glass substrate and prepares on mould, form and prepare with described glass substrate the shape that mould is identical, form preparation body;
Described preparation body lower surface is polished, obtain described glass substrate.
4. preparation method according to claim 3, is characterized in that, the thickness of described glass substrate idiosome is 4mm～7mm, sintering temperature is 900 ℃～1600 ℃, be incubated 40～100 minutes, being then cooled to described glass substrate idiosome surface temperature is 25～35 ℃, forms described preparation body.
5. preparation method according to claim 4, is characterized in that, the speed with 5 ℃/min～6 ℃/min in sintering process heats up, and temperature-fall period carries out with the speed of 2.8 ℃/min～3.5 ℃/min.
6. preparation method according to claim 3, is characterized in that, when described preparation body lower surface is polished, the thickness of controlling described glass substrate central position is 1.5mm～2mm.
7. a glass substrate, is characterized in that, the method in claim 3-6 described in any one is prepared from.
8. a plasma panel, comprises prebasal plate and metacoxa, and the sealing frame that is arranged on described prebasal plate and metacoxa periphery, it is characterized in that, the glass substrate in described prebasal plate is the glass substrate described in claim 7; The width of described sealing frame is 0.8mm～1.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458156.0A CN102515482B (en) | 2011-12-31 | 2011-12-31 | Glass substrate, preparation method and preparation mould for glass substrate, and plasma display screen comprising glass substrate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458156.0A CN102515482B (en) | 2011-12-31 | 2011-12-31 | Glass substrate, preparation method and preparation mould for glass substrate, and plasma display screen comprising glass substrate |
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| Publication Number | Publication Date |
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| CN102515482A CN102515482A (en) | 2012-06-27 |
| CN102515482B true CN102515482B (en) | 2014-03-26 |
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| WO1999033753A1 (en) * | 1997-12-24 | 1999-07-08 | Ngk Insulators, Ltd. | Die and production method thereof, glass substrate and production method thereof and method of forming pattern on the glass substrate |
| JP2001002433A (en) * | 1999-06-17 | 2001-01-09 | Asahi Glass Co Ltd | Method for bending glass sheet and apparatus therefor |
| DE10127090A1 (en) * | 2001-06-02 | 2002-12-05 | Glasdesign Radeburg Gmbh | Device for the production of curved composite safety glass comprises a glass bending mold having a surface corresponding to the convex or concave shape of the glass to be made, and temperature resistant glass fiber mats |
| KR100589362B1 (en) * | 2003-10-23 | 2006-06-14 | 삼성에스디아이 주식회사 | Plasma display and plasma display device with the same |
| CN201433162Y (en) * | 2009-06-29 | 2010-03-31 | 成都普兰斯纳科技有限公司 | Glass forming die |
| US20110265516A1 (en) * | 2010-04-29 | 2011-11-03 | Douglas Clippinger Allan | Compositional control of fast relaxation in display glasses |
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Granted publication date: 20140326 Termination date: 20161231 |