CN102064223B - Solar battery component cover plate glass and solar battery component - Google Patents
Solar battery component cover plate glass and solar battery component Download PDFInfo
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- CN102064223B CN102064223B CN 201010566343 CN201010566343A CN102064223B CN 102064223 B CN102064223 B CN 102064223B CN 201010566343 CN201010566343 CN 201010566343 CN 201010566343 A CN201010566343 A CN 201010566343A CN 102064223 B CN102064223 B CN 102064223B
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- plate glass
- solar battery
- solar module
- battery component
- hemisphere unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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Abstract
The invention relates to solar battery component cover plate glass and a solar battery component. The solar battery component cover plate glass comprises a glass matrix provided with a first surface and a second surface, wherein the first surface is arranged on one side towards incident sunlight; the second surface is arranged on one side towards an ethylene-vinyl acetate copolymer (EVA) layer with a silicon chip of the solar battery component; the first surface has a patterned structure provided with hemispherical convex units and hemispherical concave units; and the second surface has a textured structure. The solar battery component is provided with the cover plate glass, the EVA layer with the silicon chip and a back board sequentially arranged from top to bottom, wherein the cover plate glass is the solar battery component cover plate glass. The solar battery component cover plate glass and the solar battery component can effectively reduce reflection rays incident on the solar battery component cover plate glass, further improve the light transmittance of the solar battery component, can not deposit dust easily, are easy to clean, and can be applied to the severe outdoor environment.
Description
Technical field
The present invention relates to technical field of solar batteries, particularly relate to a kind of solar module cover-plate glass and solar module.
Background technology
The solar module cover-plate glass is called the solar energy glass cover plate again; The solar photovoltaic conversion rate is high because the solar module cover-plate glass has, plate crushes that loss rate is low, intensity is high, the characteristics of good planeness; Fully the transmission sunlight supplies solar battery sheet to absorb; And with self the intensity protection solar battery sheet under it not by the damage of bad weather such as extraneous wind and frost sleet or space service conditions; Therefore, the solar module that is widely used in monocrystalline silicon piece, polysilicon chip and the amorphous silicon chip of all kinds, all size.
At present, the solar module cover-plate glass that comparatively generally adopts, its structure comprises surface with smooth flat and the surface with embossing aspect.When solar module encapsulates, will have incident one side of the surface of smooth flat towards sunlight, will have the side of the surface of embossing aspect, and seal bonding through EVA layer and solar battery sheet towards solar battery sheet.
All the time; It is believed that the encapsulation of solar module; Can only be with the side of the surface with smooth flat towards sunlight incident; To have the side of the surface of embossing aspect towards solar battery sheet, mainly be owing to the surface with embossing aspect can be bonding firmly with the EVA layer, is difficult for causing battery drain.Yet during the surperficial incident of incident ray through this smooth flat, transmitted light is less than 92 ﹪, the loss of the reflection ray of 8 ﹪ that still have an appointment.So, how to reduce the reflection ray that incides the solar module cover-plate glass more effectively, become the research emphasis that people further improve solar module cover-plate glass light transmittance.
For solving above-mentioned technological prejudice problem; Granted publication number is: the Chinese invention patent of CN 100495734C discloses a kind of " glass plate used for solar cell module packaging " on June 3rd, 2009, and its technical scheme is: " comprise glass substrate and be coated in the coating above the glass substrate, the one side of glass substrate is provided with the embossed layers that has decorative pattern; wherein; the coating above the said glass substrate is that the utilization nano material forms, and the coating above the glass substrate is coated in the embossed layers surface ", and further " decorative pattern on the embossed layers is shaped as cellular; the honeycomb mouth is the regular hexagon of distortion; relative up and down both sides are parallel to equate that all the other four limits equate that catercorner length a value parallel with relative up and down both sides in the honeycomb mouth is 0.8mm; the vertical range b value between the relative up and down both sides is 0.9mm; Described coating layer thickness is 130nm～145nm, and two relative up and down edge lengths c values are 0.2mm in the regular hexagon of the honeycomb mouth distortion in the described embossed layers decorative pattern, and the honeycomb depth d value in the described embossed layers decorative pattern is 0.55mm～0.6mm.”
Though the technical scheme of above-mentioned CN 100495734C Chinese invention patent has overcome traditional technological prejudice; Adopt the technical scheme opposite with traditional thinking; When the encapsulation of solar module; With the one side of embossed layers towards sun light inlet side, with the side of smooth flat towards solar battery sheet.But in actual use, this smooth flat and EVA layer are bonding not firm, are prone to cause the phenomenon of battery drain; And; Embossed layers adopts cellular pattern structure and the regular hexagon of honeycomb mouth for being out of shape; The mould of making this structure is comparatively complicated, and has corner angle between each honeycomb, because solar module is arranged on abominable outdoor of environment more; The structure of this corner angle formula causes the surface of solar module cover-plate glass to be prone to dust stratification dirt easily, difficult cleaning.Above-mentioned patent simultaneously is coated with and can realizes the easy problem that cleans with the coating that reduces tension force with glass-modified through the embossed layers that is employed in glass substrate; But the thickness of coating is merely 130nm～145nm; Angular structures between the honeycomb still exists; Even the coating of setting up still makes the surface of solar module cover-plate glass be prone to dust stratification dirt, also increased the processing step of making cover-plate glass simultaneously; Increase the cost of solar module virtually, made Application of Solar Energy, popularization, universal difficulty increase thus.
Therefore, needing badly provides a kind of reflection loss can reduce sunlight incident the time, and effectively converging when guaranteeing the sunlight transmission is difficult for dust stratification dirt again, is prone to cleaning, and manufacturing process solar module cover-plate glass simple, with low cost.
Needing badly provides a kind of reflection loss can reduce sunlight incident the time; Effectively converging when guaranteeing the sunlight transmission; Be difficult for dust stratification dirt again, be prone to cleaning, and the manufacturing process solar module with solar module cover-plate glass simple, with low cost.
Summary of the invention
One of the object of the invention is to avoid weak point of the prior art and a kind of reflection loss can reduce sunlight incident the time is provided; Effectively converging when guaranteeing the sunlight transmission; Be difficult for dust stratification dirt again, be prone to cleaning, and manufacturing process solar module cover-plate glass simple, with low cost.
Two of the object of the invention is to avoid weak point of the prior art and a kind of reflection loss can reduce sunlight incident the time is provided; Effectively converging when guaranteeing the sunlight transmission; Be difficult for dust stratification dirt again, be prone to cleaning, and the manufacturing process solar module with solar module cover-plate glass simple, with low cost.
The object of the invention is realized through following technical scheme:
The invention provides a kind of solar module cover-plate glass; Include glass basis, wherein, said glass basis has first surface and second surface; Said first surface is arranged at incident one side towards sunlight; Said second surface is arranged at the side towards the EVA layer with silicon chip of solar module, and said first surface is provided with has the pattern structure that the hemisphere unit is protruding and the hemisphere unit caves in, and said second surface is a suede structure.
Wherein, said pattern structure is and said hemisphere unit depression horizontal vertical continuously the be provided with pattern structure that constitute protruding by said hemisphere unit.
Wherein, said pattern structure is provided with the pattern structure that constitutes for the horizontal vertical interval of being caved in by said hemisphere unit convexity and said hemisphere unit.
Wherein, said hemisphere unit radius protruding and said hemisphere unit depression is 0.3mm～3mm.
Wherein, said hemisphere unit radius protruding and said hemisphere unit depression is 0.5mm～1.9mm.
Wherein, said hemisphere unit radius protruding and said hemisphere unit depression is 1.7mm.
Wherein, said hemisphere unit radius protruding and said hemisphere unit depression is 1mm.
Wherein, said suede structure is plane suede structure or woven design suede structure.
Wherein, the thickness of said glass basis is 5.1mm～5.7mm.
The present invention also provides a kind of solar module, is disposed with cover-plate glass from top to bottom, has the EVA layer and the backplate of silicon chip, and said cover-plate glass is above-mentioned each described solar module cover-plate glass.
Beneficial effect of the present invention: a kind of solar module cover-plate glass of the present invention; Include glass basis, wherein, glass basis has first surface and second surface; First surface is arranged at incident one side towards sunlight; Second surface is arranged at the side towards the EVA layer with silicon chip of solar module, and first surface is provided with has the pattern structure that the hemisphere unit is protruding and the hemisphere unit caves in, and second surface is a suede structure.Through changing the surface configuration and the structure of glass basis; The first surface of glass basis is set to have the pattern structure that the hemisphere unit is protruding and the hemisphere unit caves in; Effectively converging in the time of to guarantee the sunlight transmission on the one hand; On the other hand because the hemisphere unit has arc-shaped surface, and horizontal vertical concavo-convex setting the in hemisphere unit constituted pattern structure, thereby make first surface not have corner angle to exist; But form by smooth arc-shaped surface transition, institute is so that cover-plate glass is difficult for dust stratification dirt, is prone to cleaning; And; The manufacturing process of the pattern structure of this solar module cover-plate glass is comparatively simple, and concrete manufacturing approach is: at first produce female rotor (mould) according to pattern structure, by the Mould Machining knurling rolls; Suppress glass with knurling rolls again with pattern structure; Because manufacturing process is comparatively simple, with low cost, therefore, is convenient to the popularization and the application of solar module cover-plate glass.Simultaneously; The second surface of glass basis is set to suede structure; Can be bonding firmly thereby make with the EVA layer with second surface; Being difficult for causing battery drain, is suede structure but not smooth flat structure just because of second surface, just makes the realization of the technical scheme that overcomes conventional art prejudice become possibility.To sum up this solar module cover-plate glass and solar module with this solar module cover-plate glass can reduce the reflection ray that incides the solar module cover-plate glass effectively; Further improve the light transmittance of solar module; And be difficult for dust stratification dirt, easy cleaning, can be applied to abominable outdoor the grade in the environment of environment.
Description of drawings
Utilize accompanying drawing that the present invention is described further, but the embodiment in the accompanying drawing does not constitute any restriction of the present invention.
Fig. 1 is the structural representation of a kind of solar module cover-plate glass of the present invention.
Fig. 2 is the side-looking structural representation of Fig. 1.
Fig. 3 is the plan structure sketch map of Fig. 1.
Fig. 4 is the A of Fig. 3---the A cross-sectional view.
Fig. 5 is the another kind of structural representation of a kind of solar module cover-plate glass of the present invention.
Fig. 6 is the B of Fig. 5---the B cross-sectional view.
Fig. 7 is the structural representation of a kind of solar module of the present invention.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, comprise: 10---glass basis, 11---first surface, 12---second surface, 111---protruding, 112---hemisphere unit depression, 100---cover-plate glass, 200---EVA layer, the 300---backplates in hemisphere unit with silicon chip.
Embodiment
In conjunction with following examples the present invention is further described.
Embodiment 1
One of embodiment of a kind of solar module cover-plate glass of the present invention; Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; Include glass basis 10, wherein, glass basis 10 has first surface 11 and second surface 12; First surface 11 is arranged at the side towards sunlight incident; Second surface 12 is arranged at the side towards the EVA layer with silicon chip of solar module, and first surface 11 is provided with the pattern structure with hemisphere unit protruding 111 and hemisphere unit depression 112, and second surface 12 is a suede structure.Wherein, hemisphere unit depression 112 is the hole face of the hemisphere bodily form.Concrete; Pattern structure is the 112 horizontal vertical pattern structures that constitute that are provided with continuously that caved in by hemisphere unit protruding 111 and hemisphere unit; Promptly on transverse direction; A hemisphere unit protruding 111 is right after a hemisphere unit depression 112 and is right after a hemisphere unit convexity 111 again, so in order hemisphere unit protruding 111 and hemisphere unit depression 112 is provided with continuously; On longitudinal direction, in like manner, a hemisphere unit protruding 111 is right after a hemisphere unit depression 112 and connects a hemisphere unit convexity 111 again, and hemisphere unit protruding 111 is provided with hemisphere unit depression 112 continuously so in order.Cave in by hemisphere unit protruding 111 and hemisphere unit and 112 horizontally vertically the pattern structure that constitutes to be set continuously to have continuous arc-shaped surface; Thereby make first surface 11 not have corner angle to exist; But form by smooth arc-shaped surface transition, institute is so that cover-plate glass is difficult for dust stratification dirt, is prone to cleaning.
When solar module encapsulates; To have the side of the first surface 11 of the hemisphere unit protruding 111 and the pattern structure of hemisphere unit depression 112 towards sunlight incident; To have the side of the second surface 12 of suede structure towards the EVA layer with silicon chip of solar module; This set had both made second surface 12 firmly to be difficult for causing battery drain with the EVA layer is bonding, in the time of guaranteeing that again the sunlight incident ray has first surface 11 incidents of the hemisphere unit protruding 111 and the pattern structure of hemisphere unit depression 112 through this; Can reduce the loss of reflection ray, guarantee also that simultaneously first surface 11 is difficult for dust stratification dirt, is prone to cleaning.
Wherein, the radius R of hemisphere unit protruding 111 can be 0.3mm～3mm; The radius R of hemisphere unit depression 112 can be 0.3mm～3mm.
Wherein, suede structure is plane suede structure or woven design suede structure.Concrete, this suede structure is the structure with frosted finish effect, but not smooth planar structure.Preferred woven design suede structure, can be concrete be straight line woven design suede structure or oblique line woven design suede structure.
Wherein, the thickness D of glass basis 10 is 5.1mm～5.7mm.
Embodiment 2
Two of the embodiment of a kind of solar module cover-plate glass of the present invention; Like Fig. 5 and shown in Figure 6; The main technical schemes of present embodiment is identical with embodiment 1, and unaccounted characteristic adopts the explanation among the embodiment 1 in the present embodiment; No longer give unnecessary details at this, and the parts identical with Fig. 1, Fig. 2, Fig. 3 and Fig. 4 adopt identical label in Fig. 5 and Fig. 6.The difference of present embodiment and embodiment 1 is that pattern structure is provided with the pattern structure that constitutes for the 112 horizontal vertical intervals of being caved in by hemisphere unit protruding 111 and hemisphere unit.Promptly on transverse direction; Be provided with the interval of certain distance between protruding 111 and hemisphere unit, hemisphere unit depression 112; Be provided with the interval of certain distance between 112 and hemisphere unit of depression, a hemisphere unit protruding 111, so in order hemisphere unit protruding 111 and hemisphere unit depression 112 be provided with at interval; On longitudinal direction; Be provided with the interval of certain distance between protruding 111 and hemisphere unit, hemisphere unit depression 112; Be provided with the interval of certain distance between 112 and hemisphere unit of depression, a hemisphere unit protruding 111, so in order hemisphere unit protruding 111 and hemisphere unit depression 112 be provided with at interval.The interval of the certain distance of above-mentioned indication can be equidistant can be not equidistant yet.This set can further reduce the processing cost of silicon chip, and be convenient to the assembling of solar module so that have the wideer of silicon chip processing in the EVA layer of silicon chip, thereby saves manual work, reduce manufacturing cost.
Embodiment 3
Three of the embodiment of a kind of solar module cover-plate glass of the present invention, the main technical schemes of present embodiment is identical with embodiment 1, and unaccounted characteristic adopts the explanation among the embodiment 1 in the present embodiment, no longer gives unnecessary details at this.The difference of present embodiment and embodiment 1 is that wherein, the radius R of hemisphere unit protruding 111 is 0.5mm～1.9mm, and the radius R of hemisphere unit depression 112 is 0.5mm～1.9mm.
Wherein, the radius R of hemisphere unit protruding 111 can select 0.5mm, 1.9mm, 1.7mm or 1mm, and the radius R of hemisphere unit depression 112 can select 0.5mm, 1.9mm, 1.7mm or 1mm.
In addition, hemisphere unit protruding 111 can have identical radius length or radius length inequality with hemisphere unit depression 112.
Wherein, the thickness D of glass basis 10 can be 5.1mm, 5.7mm or 5.4mm.
Embodiment 4
Four of the embodiment of a kind of solar module cover-plate glass of the present invention, the main technical schemes of present embodiment is identical with embodiment 2, and unaccounted characteristic adopts the explanation among the embodiment 2 in the present embodiment, no longer gives unnecessary details at this.The difference of present embodiment and embodiment 2 is that wherein, the radius R of hemisphere unit protruding 111 is 0.5mm～1.9mm, and the radius R of hemisphere unit depression 112 is 0.5mm～1.9mm.
Wherein, the radius R of hemisphere unit protruding 111 can select 0.5mm, 1.9mm, 1.7mm or 1mm, and the radius R of hemisphere unit depression 112 can select 0.5mm, 1.9mm, 1.7mm or 1mm.
In addition, hemisphere unit protruding 111 can have identical radius length or radius length inequality with hemisphere unit depression 112.
Wherein, the thickness D of glass basis 10 can be 5.1mm, 5.7mm or 5.4mm.
Embodiment 5
One of embodiment of a kind of solar module of the present invention; As shown in Figure 7; Be disposed with cover-plate glass 100 from top to bottom, have the EVA layer 200 and the backplate 300 of silicon chip, wherein, cover-plate glass 100 is for implementing the solar module cover-plate glass described in 1.
Embodiment 6
Two of the embodiment of a kind of solar module of the present invention; As shown in Figure 7; Be disposed with cover-plate glass 100 from top to bottom, have the EVA layer 200 and the backplate 300 of silicon chip, wherein, cover-plate glass 100 is for implementing the solar module cover-plate glass described in 2.
Embodiment 7
Three of the embodiment of a kind of solar module of the present invention; As shown in Figure 7; Be disposed with cover-plate glass 100 from top to bottom, have the EVA layer 200 and the backplate 300 of silicon chip, wherein, cover-plate glass 100 is for implementing the solar module cover-plate glass described in 3.
Embodiment 8
Four of the embodiment of a kind of solar module of the present invention; As shown in Figure 7; Be disposed with cover-plate glass 100 from top to bottom, have the EVA layer 200 and the backplate 300 of silicon chip, wherein, cover-plate glass 100 is for implementing the solar module cover-plate glass described in 4.
Should be noted that at last; Above embodiment is only in order to explain technical scheme of the present invention; But not to the restriction of protection range of the present invention, although with reference to preferred embodiment the present invention has been done explanation at length, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical scheme of the present invention.
Claims (8)
1. solar module cover-plate glass; Include glass basis; It is characterized in that: said glass basis has first surface and second surface, and said first surface is arranged at incident one side towards sunlight, and said second surface is arranged at the side towards the EVA layer with silicon chip of solar module; Said first surface is provided with has the pattern structure that the hemisphere unit is protruding and the hemisphere unit caves in, and said second surface is a suede structure; Said pattern structure is and said hemisphere unit depression horizontal vertical continuously the be provided with pattern structure that constitute protruding by said hemisphere unit.
2. solar module cover-plate glass according to claim 1 is characterized in that: said hemisphere unit radius protruding and said hemisphere unit depression is 0.3mm～3mm.
3. solar module cover-plate glass according to claim 2 is characterized in that: said hemisphere unit radius protruding and said hemisphere unit depression is 0.5mm～1.9mm.
4. solar module cover-plate glass according to claim 3 is characterized in that: said hemisphere unit radius protruding and said hemisphere unit depression is 1.7mm.
5. solar module cover-plate glass according to claim 3 is characterized in that: said hemisphere unit radius protruding and said hemisphere unit depression is 1mm.
6. according to each described solar module cover-plate glass in the claim 1 to 5, it is characterized in that: said suede structure is plane suede structure or woven design suede structure.
7. solar module cover-plate glass according to claim 1 is characterized in that: the thickness of said glass basis is 5.1mm～5.7mm.
8. solar module is characterized in that: be disposed with cover-plate glass from top to bottom, have the EVA layer and the backplate of silicon chip, said cover-plate glass is each described solar module cover-plate glass in the claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010566343 CN102064223B (en) | 2010-11-30 | 2010-11-30 | Solar battery component cover plate glass and solar battery component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010566343 CN102064223B (en) | 2010-11-30 | 2010-11-30 | Solar battery component cover plate glass and solar battery component |
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| Publication Number | Publication Date |
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| CN102064223A CN102064223A (en) | 2011-05-18 |
| CN102064223B true CN102064223B (en) | 2012-05-09 |
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| CN 201010566343 Expired - Fee Related CN102064223B (en) | 2010-11-30 | 2010-11-30 | Solar battery component cover plate glass and solar battery component |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916070A (en) * | 2012-11-16 | 2013-02-06 | 晶科能源有限公司 | Crystalline silicon photovoltaic module and cover plate |
| CN103633193B (en) * | 2013-11-05 | 2016-08-17 | 上海交通大学 | A kind of micro structure for silicon-based thin film solar cell falls into light method |
| CN104734629B (en) * | 2015-03-18 | 2017-02-22 | 日芯光伏科技有限公司 | Cooling glass bottom plate of high-concentration photovoltaic power generation module receiver and preparation method of cooling glass bottom plate |
| CN105789356A (en) * | 2016-04-14 | 2016-07-20 | 董友强 | Glass-substrate-structure solar cell module |
| CN206022388U (en) * | 2016-07-29 | 2017-03-15 | 上海比亚迪有限公司 | A kind of solar module |
| TWI616697B (en) * | 2016-10-13 | 2018-03-01 | 大立光電股份有限公司 | Annular optical element, imaging lens assembly, imaging apparatus and electronic device |
| CN110444623B (en) * | 2019-07-24 | 2024-03-08 | 东莞南玻太阳能玻璃有限公司 | Solar cover plate glass with anti-dazzle pattern structure |
| CN110350049B (en) * | 2019-07-24 | 2024-02-02 | 东莞南玻太阳能玻璃有限公司 | Anti-dazzle solar module cover plate glass |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110451A (en) * | 2007-06-27 | 2008-01-23 | 常州市亚玛顿科技有限公司 | Glass plate used for solar cell module packaging |
| CN201853724U (en) * | 2010-11-30 | 2011-06-01 | 东莞南玻太阳能玻璃有限公司 | Solar battery pack |
| CN201868438U (en) * | 2010-11-30 | 2011-06-15 | 东莞南玻太阳能玻璃有限公司 | Glass cover plate of solar energy battery component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090126780A1 (en) * | 2007-11-15 | 2009-05-21 | Chang-Chih Sung | Solar Cell and Method of Manufacturing a Transparent Cover Plate |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110451A (en) * | 2007-06-27 | 2008-01-23 | 常州市亚玛顿科技有限公司 | Glass plate used for solar cell module packaging |
| CN201853724U (en) * | 2010-11-30 | 2011-06-01 | 东莞南玻太阳能玻璃有限公司 | Solar battery pack |
| CN201868438U (en) * | 2010-11-30 | 2011-06-15 | 东莞南玻太阳能玻璃有限公司 | Glass cover plate of solar energy battery component |
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| CN102064223A (en) | 2011-05-18 |
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