CN102299188B - Thin film solar cell capable of showing images and process - Google Patents
Thin film solar cell capable of showing images and process Download PDFInfo
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- CN102299188B CN102299188B CN201010213197.9A CN201010213197A CN102299188B CN 102299188 B CN102299188 B CN 102299188B CN 201010213197 A CN201010213197 A CN 201010213197A CN 102299188 B CN102299188 B CN 102299188B
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- 239000010409 thin film Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000010408 film Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 230000009514 concussion Effects 0.000 claims description 3
- 238000002242 deionisation method Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
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- 238000002834 transmittance Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a thin film solar cell capable of showing images and a process. The thin film solar cell comprises a substrate and a reaction layer, wherein the substrate has light transmission property, and can be made of a hard glass material or a soft plastic material; the reaction layer comprises a thin film layer (p-i-n layer) and a conductive film layer (AZO or Ag), and the reaction layer is formed on the surface of one end of the substrate; and the thin film layer (p-i-n layer) and the conductive film layer (AZO or Ag) are cut in the local reaction layer in a laser scribing mode. By the structure, a hollowed region is formed at the laser scribing part, and the images are shown at the hollowed region and the laser non-penetrating part; and because the thin film solar cell shows the images, the additional value of the thin film solar cell can be improved.
Description
Technical field
The invention relates to a kind of thin-film solar cells, espespecially a kind of thin-film solar cells and the technique of capable of appearing picture " can ", utilizes light shield to cover and makes thin-film solar cells show conventional images with laser scribing, to improve its surcharge.
Background technology
Due to global climate transition, the event of shortage increasingly of air pollution problems inherent and resource, solar power generation is as one possibility of power supply main source, day by day cause that people gaze at, this is also the reason taking Silicon Wafer as main solar cell market Fast Growth in recent years, but, it is a lot of that Silicon Wafer is that main its cost of solar energy generation technology exceeds conventional electric power producing method after all, therefore existing market still can only be confined to special-purpose, also therefore main research unit in the world, all be devoted to drop into the research of solar energy correlation technique, seek for the material that exploitation makes new advances, can reduce product cost and promote usefulness, wherein, thin-film type solar cell is owing to can using at cheap glass, plastics, pottery, graphite, the different materials such as sheet metal are worked as substrate and are manufactured, the film thickness that formation can produce voltage only needs several μ m, must maintain certain thickness compared to Silicon Wafer, materials'use is considerably less, and because film is to use flexible substrate, application elasticity is large, therefore, known a kind of thin-film solar cells, use glass is substrate, and the common building window that is used in, produce thus the effect of generating, and then save a large amount of electricity charge, and effectively reach the effect of energy-saving and carbon-saving.
See in detail above-mentioned known structure and be not difficult to realize that it has remained a little weak point, main cause be return as follows:
(1), its thin-film solar cells is to utilize sunlight to generate electricity, and hereat has the isolation sunlight of certain degree, therefore seems and has the situation of indoor lighting deficiency, makes to reduce applied film solar cell in the wish of window.
(2), its thin-film solar cell applications in the time of window, be the effect without capable of appearing picture, cannot improve its surcharge.
In view of this, the inventor is in manufacturing development and the design experiences of being engaged in for many years Related product, for above-mentioned target, in detail after design and scrupulous assessment, eventually the present invention of a true tool practicality.
Summary of the invention
The technical problem point that wish solves:
Its thin-film solar cells is to utilize sunlight to generate electricity, hereat there is the isolation sunlight of certain degree, therefore seem and have the situation of indoor lighting deficiency, make to reduce applied film solar cell in the wish of window, this thin-film solar cells does not have the effect of capable of appearing picture again, and has the shortcoming that cannot improve its surcharge.
The technical characterstic of dealing with problems:
A kind of thin-film solar cells and technique that can capable of appearing picture, its thin-film solar cells includes a substrate and a conversion zone, this substrate has light transmission, and can be the glass material of a hard or be that a soft plastic material is made, this conversion zone is to include thin layer (p-i-n layer) and conductive film layer (AZO & Ag), and conversion zone is formed at the surface, one end of substrate, thin layer (p-i-n layer) and conductive film layer (AZO & Ag) are excised via laser scribing mode in this conversion zone part again, by said structure, make Stimulated Light line part be formed with vacancy section, and with vacancy section with do not penetrate laser part and coordinate and show conventional images.
Its processing step is as follows: a, clean surface, and thin-film solar cells is inserted in deionized water and shaken, to clean its surface; B, oven dry, insert the thin-film solar cells after clean in baking oven, to remove surperficial moisture content; C, paste light shield, coordinate shown in Fig. 3, by smooth the light shield with shading pattern in thin-film solar cells; D, laser scribing, be placed in laser scribing machine by thin-film solar cells, and the parameter of its laser scribing machine is that wavelength is that 532nm, spacing are 0.5mm, and power is 400W, and carry out laser scribing by light shield end face; E, clean surface, light shield is taken off, and the powder after removal laser scribing is residual via deionization concussion, can show in thin-film solar cells surface the image of light shield, test via energy output again, the rate effect of the thin-film solar cells after this laser scribing only has a little decline, does not affect its generating effect.
Effect of contrast prior art:
(1), the conversion zone of its thin-film solar cells has vacancy section by laser scribing, increases its light transmittance, so that the application in daylighting to be provided by vacancy section.
(2), the vacancy section of this conversion zone coordinates and is formed with image with the part that does not penetrate laser, manifested by the image of thin-film solar cells, can improve its surcharge.
Brief description of the drawings
For auditor can be had a better understanding and awareness object of the present invention, feature and effect, below please coordinate accompanying drawing to be described in detail as follows, wherein:
Fig. 1 is stereogram of the present invention.
Fig. 2 is flow chart of steps of the present invention.
Fig. 3 is the schematic diagram of subsides light shield of the present invention.
Fig. 4 is the schematic diagram () of laser scribing of the present invention.
Fig. 5 is the schematic diagram (two) of laser scribing of the present invention.
Fig. 6 is the curve chart of generating efficiency of the present invention.
Embodiment
First please shown in Fig. 1 and Fig. 2, see it, a kind of thin-film solar cells and technique that can capable of appearing picture, its thin-film solar cells 10 is to include a substrate 11 and a conversion zone 12, this substrate 11 has light transmission, and can be the glass material of a hard or be that a soft plastic material is made, this conversion zone 12 is to include thin layer (p-i-n layer) and conductive film layer (AZO & Ag), and conversion zone 12 is formed at the surface, one end of substrate (11), this conversion zone (12) is local again excises thin layer (p-i-n layer) and conductive film layer (AZO & Ag) via laser scribing mode, by said structure, make Stimulated Light line part be formed with vacancy section 121, and with vacancy section 121 with do not penetrate laser part and coordinate and show conventional images 122.
Please see as shown in Figure 2 it, its processing step is as follows again: a, clean surface (10a), insert thin-film solar cells 10 in deionized water and shake, to clean its surface; B, oven dry (10b), insert the thin-film solar cells 10 after clean in baking oven, to remove surperficial moisture content; C, paste light shields (10c), coordinate shown in Fig. 3, by smooth the light shield 20 with shading pattern in thin-film solar cells 10; D, laser scribing (10d), as shown in Figure 4, Figure 5, thin-film solar cells 10 is placed in to laser scribing machine 30, the parameter of its laser scribing machine 30 is that wavelength is that 532nm, spacing are 0.5mm, and power is 400W, and carry out laser scribing by light shield 20 end faces; E, clean surface (10e), light shield 20 is taken off, and the powder after removal laser scribing is residual via deionization concussion, can show in thin-film solar cells 10 surfaces the image 122 (as shown in Figure 1) of light shield 20, test via energy output again, can obtain chart as shown in Figure 6, the rate effect of the thin-film solar cells 10 after this laser scribing only has a little decline, does not affect its generating effect.
By the structure of above-mentioned specific embodiment, can obtain following benefit: the conversion zone 12 of (one) its thin-film solar cells 10 has vacancy section 121 by laser scribing, increases its light transmittance by vacancy section 121, so that the application in daylighting to be provided; (2) vacancy section 121 of this conversion zone 12 coordinates and is formed with image 122 with the part that does not penetrate laser, is manifested by the image 122 of thin-film solar cells 10, can improve its surcharge.
In sum, the present invention has reached breakthrough structural design really, and there is the summary of the invention of improvement, can reach again usability and the progressive in industry simultaneously, and the present invention does not see any publication, also have a novelty, when meeting the regulation of the relevant law of Patent Law, therefore propose application for a patent for invention in accordance with the law.
Only above-described, be only a preferred embodiment of the present invention, when can not with restriction scope of the invention process; Be that every equalization of doing according to the present patent application the scope of the claims changes and modifies, all should still belong in the scope that the claims in the present invention contain.
Claims (10)
1. a thin-film solar cells that can capable of appearing picture, its thin-film solar cells is to include a substrate and a conversion zone, and this substrate has light transmission, it is characterized in that:
This conversion zone includes thin layer and conductive film layer, and conversion zone is formed at the surface, one end of substrate, thin layer and conductive film layer are excised via laser scribing mode in this conversion zone part again, make Stimulated Light line part be formed with vacancy section, and with vacancy section with do not penetrate laser part and coordinate and show conventional images.
2. thin-film solar cells that can capable of appearing picture according to claim 1, wherein, substrate has light transmission, and is that the glass material of a hard is made.
3. thin-film solar cells that can capable of appearing picture according to claim 1, wherein, substrate has light transmission, and is that a soft plastic material is made.
4. thin-film solar cells that can capable of appearing picture according to claim 1, wherein, optical maser wavelength is that 532nm, laser spacing are 0.5mm, and laser power is 400W.
5. a thin-film solar cells technique that can capable of appearing picture, its thin-film solar cells is to include a substrate and a conversion zone, this substrate has light transmission, the steps include:
A, clean surface, insert thin-film solar cells in deionized water and shake, to clean its surface;
B, oven dry, insert the thin-film solar cells after clean in baking oven, to remove surperficial moisture content;
C, paste light shield, by smooth the light shield with shading pattern in thin-film solar cells;
D, laser scribing, be placed in laser scribing machine by thin-film solar cells, and carry out laser scribing by light shield end face, and excise via laser scribing mode this conversion zone part, makes Stimulated Light line part be formed with vacancy section;
E, clean surface, take off light shield, and via deionization concussion, the powder after removal laser scribing is residual, can show reticle image in thin-film solar cells surface.
6. thin-film solar cells technique that can capable of appearing picture according to claim 5, wherein, the wavelength of laser scribing machine is that 532nm, spacing are that 0.5mm, power are 400W.
7. thin-film solar cells technique that can capable of appearing picture according to claim 5, wherein, thin-film solar cells includes a substrate and a conversion zone.
8. thin-film solar cells technique that can capable of appearing picture according to claim 7, wherein, conversion zone includes thin layer and conductive film layer.
9. thin-film solar cells technique that can capable of appearing picture according to claim 7, wherein, substrate has light transmission, and is that the glass material of a hard is made.
10. thin-film solar cells technique that can capable of appearing picture according to claim 7, wherein, substrate has light transmission, and is that a soft plastic material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010213197.9A CN102299188B (en) | 2010-06-22 | 2010-06-22 | Thin film solar cell capable of showing images and process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010213197.9A CN102299188B (en) | 2010-06-22 | 2010-06-22 | Thin film solar cell capable of showing images and process |
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| Publication Number | Publication Date |
|---|---|
| CN102299188A CN102299188A (en) | 2011-12-28 |
| CN102299188B true CN102299188B (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010213197.9A Expired - Fee Related CN102299188B (en) | 2010-06-22 | 2010-06-22 | Thin film solar cell capable of showing images and process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109854A (en) * | 2006-07-17 | 2008-01-23 | 陈国平 | LCD device |
| CN101327715A (en) * | 2008-02-21 | 2008-12-24 | 温晋奕 | Method for coating film and internally carving into picture and lamp cup product |
| CN101504955A (en) * | 2008-02-04 | 2009-08-12 | 株式会社Msk | Transmission type sunlight electricity generating apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001257375A (en) * | 2000-03-10 | 2001-09-21 | Sharp Corp | Thin-film solar cell and thin-film solar cell module group |
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- 2010-06-22 CN CN201010213197.9A patent/CN102299188B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109854A (en) * | 2006-07-17 | 2008-01-23 | 陈国平 | LCD device |
| CN101504955A (en) * | 2008-02-04 | 2009-08-12 | 株式会社Msk | Transmission type sunlight electricity generating apparatus |
| CN101327715A (en) * | 2008-02-21 | 2008-12-24 | 温晋奕 | Method for coating film and internally carving into picture and lamp cup product |
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| Publication number | Publication date |
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| CN102299188A (en) | 2011-12-28 |
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