CN201213140Y - Organic thin-film solar cell - Google Patents
Organic thin-film solar cell Download PDFInfo
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- CN201213140Y CN201213140Y CN 200720311391 CN200720311391U CN201213140Y CN 201213140 Y CN201213140 Y CN 201213140Y CN 200720311391 CN200720311391 CN 200720311391 CN 200720311391 U CN200720311391 U CN 200720311391U CN 201213140 Y CN201213140 Y CN 201213140Y
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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
- Y02E10/549—Organic PV cells
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Abstract
An organic-film solar battery containing a film of organic light active semiconductor function comprises a UV protective layer, an increased euphotic layer, a glass substrate or transparent plastic board, a transparent top electrode, an organic active layer, a metal bottom electrode, an insulation-isolating wall, a composite covering and protecting layer of organic and inorganic materials and an extraction electrode. The utility model can utilize a combination of multiple components and multiple structures to optimize and increase the light absorption rate and photoelectric conversion rate and improve the output characteristics of voltage and current as well. The utility model has the advantages of low cost, light weight, large-scale production, wide absorption spectrum, obvious flexibility and phototransformation efficiency as well as exploration potentiality. The utility model is applicable to outdoors, remote natural villages and nomadic life, and the fields of military, geology, forestry, mines, tourism, naval navigation and the like.
Description
Technical field
The utility model relates to a kind of solar cell, particularly a kind of organic thin film solar cell and several enforcement package assembly thereof that includes organic photoactive semiconductor function film layer.
Background technology
Present solar-energy photo-voltaic cell technology mainly is based on the photovoltaic cells such as monocrystalline silicon, polysilicon and amorphous silicon of Si semiconductor, though technology is comparatively ripe, energy consumption is big, production cost remains high but silicon materials are made, thereby promotion and application on a large scale, especially in developing country.Therefore, fundamentally solve the human energy crisis that faces at present, develop huge inexhaustible solar energy, just must manage to reduce the solar cell cost, seek and more cheap and economic solar cell material and the technology of Development of New Generation.
Just rising at present the upsurge of one research and development organic conductive material in the world, more newfound organic small molecule material, particularly some macromolecule polymer material has good characteristic of semiconductor, compare with inorganic semiconductor, this class organic semiconducting materials has that cost is low, the absorbing light spectrum width, characteristics such as manufacture craft is simple can be made into the few film of feed consumption by several different methods such as vacuum thermal evaporation, rotation coating and the printings of spray film.Therefore, can produce large tracts of land, low cost, frivolous, can curl and the organic thin film solar cell that can be convenient for carrying and develop many-sided purposes.
But the photoelectric conversion rate of organic thin film solar cell needs further to improve not as good as the inorganic silicon solar cell at present.The photoelectricity conversion process of organic solar batteries mainly comprises: photonic absorption, exciton or claim four steps such as electron-hole pair diffusion, charge transfer, charge-trapping, wherein to total optoelectronic transformation efficiency influence bigger be the absorptivity of light and the diffusivity of exciton.
Summary of the invention
For overcoming the present optoelectronic transformation efficiency of organic thin film solar cell shortcoming on the low side, the utility model passes through multiple improvement design and the incompatible formation prioritization scheme of multiple structural group to a plurality of modular constructions of organic solar batteries, the electric current output and the voltage output that can obviously improve the electricity conversion of organic solar batteries and improve the photovoltaic cell practicality.Expanded greatly organic solar batteries out of doors, the use under the unregulated power condition such as field, and can be applied even more extensively special dimensions such as agricultural, forestry, animal husbandry, colliery, geology, oil, ocean, military affairs.
The multiple assembling scheme of technology implementation scheme that its technical problem that solves the utility model adopts and organic thin film solar cell is as follows:
Technology implementation scheme A: the organic thin film solar cell that is provided comprises the UV protective layer; anti-reflection photosphere; glass or transparent plastic substrate; transparent upper electrode; the organic photoactive material layer; the metal bottom electrode; parts such as insulation barrier wall and organic and the compound encapsulation cover layer of inorganic material; it is characterized in that: be provided with anti-reflection photosphere and UV protective layer from bottom to top with on the upper surface of glass or transparent plastic substrate, stacking gradually; be provided with organic thin film solar cell spare at glass or transparent plastic substrate lower surface; this organic thin film solar cell spare is from top to bottom successively by the transparent upper electrode that is provided with stackedly; organic photoactive material layer and metal bottom electrode are formed; intercept mutually by insulation barrier wall between transparent upper electrode and metal bottom electrode, be provided with the organic and compound encapsulation cover layer of inorganic material of one deck in the outsourcing of organic thin film solar cell spare.In the actual fabrication; stack gradually anti-reflection photosphere and UV protective layer in the making at glass or transparent plastic substrate upper surface; and then stack gradually at glass or transparent plastic substrate lower surface and to produce transparent upper electrode, organic photoactive material layer, metal bottom electrode; be provided with an insulation barrier wall between upper and lower electrode and photolytic activity organic material layer and the extraction electrode; make the organic and compound encapsulation cover layer of inorganic material of last layer at last again and just form a kind of novel organic thin film solar cell, see Fig. 2.
Technology implementation scheme B: the organic thin film solar cell that is provided comprises the UV protective layer; anti-reflection photosphere; glass or transparent plastic substrate; transparent upper electrode; the organic photoactive material layer; the metal bottom electrode; parts such as insulation barrier wall and organic and the compound encapsulation cover layer of inorganic material; it is characterized in that: be provided with anti-reflection photosphere and UV protective layer from bottom to top with on the upper surface of glass or transparent plastic substrate, stacking gradually; be provided with organic thin film solar cell spare at glass or transparent plastic substrate lower surface; this organic thin film solar cell spare is made up of a plurality of organic thin film solar cell unit that are connected in series; each battery unit is from top to bottom successively by the transparent upper electrode of stacked setting; organic photoactive material layer and metal bottom electrode constitute; intercept mutually by insulation barrier wall between the transparent upper electrode of each battery unit and metal bottom electrode; each battery unit just in the horizontal direction; the end to end series connection of negative electrode is provided with the organic and compound encapsulation cover layer of inorganic material of one deck in the organic thin film solar cell outsourcing.In the actual fabrication; stack gradually anti-reflection photosphere and UV protective layer in the making at glass or transparent plastic substrate upper surface; and then stack gradually at glass or transparent plastic substrate lower surface and to produce transparent upper electrode; the organic photoactive material layer; the metal bottom electrode; on; be provided with an insulation barrier wall between bottom electrode and photolytic activity organic material layer and the extraction electrode; make a plurality of organic thin film solar cells unit earlier; each solar battery cell is the series connection of the end to end realization solar battery cell of positive and negative electrode in the horizontal direction; make the organic and compound encapsulation cover layer of inorganic material of last layer at last again and just form a kind of novel organic thin film solar cell; it has the raising output voltage characteristic, sees Fig. 3.
Technology implementation scheme C: the organic thin film solar cell that is provided comprises the UV protective layer; anti-reflection photosphere; glass or transparent plastic substrate; transparent upper electrode; the organic photoactive material layer; the metal bottom electrode; parts such as insulation barrier wall and organic and the compound encapsulation cover layer of inorganic material; it is characterized in that: be provided with anti-reflection photosphere and UV protective layer from bottom to top with on the upper surface of glass or transparent plastic substrate, stacking gradually; be provided with organic thin film solar cell spare at glass or transparent plastic substrate lower surface; this organic thin film solar cell spare is made up of a plurality of organic thin film solar cell unit that are connected in parallel by the stacked setting of vertical direction; each battery unit is by the transparent upper electrode of stacked setting from top to bottom; organic photoactive material layer and metal bottom electrode constitute; the positive electrode of each battery unit links together; negative electrode links together and draws by extraction electrode respectively, is provided with the organic and compound encapsulation cover layer of inorganic material of one deck in the outsourcing of organic thin film solar cell spare.In the actual fabrication; stack gradually anti-reflection photosphere and UV protective layer in the making at glass or transparent plastic substrate upper surface; and then stack gradually at glass or transparent plastic substrate lower surface and to produce transparent upper electrode; the organic photoactive material layer; the metal bottom electrode; on; be provided with an insulation barrier wall between bottom electrode and photolytic activity organic material layer and the extraction electrode; shared by adjacent electrode; make out in vertical direction a plurality of stacked organic thin film solar cell unit; the positive electrode of each solar battery cell links together; negative pole links together and draws the parallel connection that realizes solar battery cell by different extraction electrodes respectively; make the organic and compound encapsulation cover layer of inorganic material of last layer at last again and just form a kind of novel organic thin film solar cell; it has the raising output current characteristic, sees Fig. 4.
Description of drawings
Fig. 1 is the exemplary block diagram of inorganic silicon solar cell.
Fig. 2 is the utility model package assembly 1, promptly basic assembling assumption diagram.
Fig. 3 is the utility model package assembly 2, is basic the package assembly end to end and tandem junction composition that forms of positive and negative electrode in the horizontal direction.
Fig. 4 is the utility model package assembly 3, is that basic package assembly connects together at the vertical direction positive electrode, and negative electrode connects together and the parallel-connection structure figure that forms.
Fig. 5 is the structure chart of anti-reflection photosphere of the present utility model.
Fig. 6 is one dimension, the 2 and 3 dimensional organization figure of transparent upper electrode of the present utility model.
Fig. 7 is three kinds of structure charts of photolytic activity organic material layer of the present utility model.
Fig. 8 is a kind of structure chart that has the machine resilient coating of metal electrode down of the present utility model.
Fig. 9 is the structure chart of organic and inorganic material protective mulch of the present utility model.
Figure 10 is the optically focused characteristic surface structure chart of UV protective layer of the present utility model.
The 01-glass substrate
The 02-transparency electrode
The 03-P N-type semiconductor N
The 04-N N-type semiconductor N
The 05-metal electrode
The anti-reflection photosphere of 1-
2-glass or transparent plastic substrate
The 3-transparent upper electrode
4-photolytic activity organic material layer
5-metal bottom electrode
Organic and the compound encapsulation cover layer of inorganic material of 6-
7-insulation barrier wall
The 8-extraction electrode
The 9-UV protective layer
11-low-refraction optically denser medium
Refractive index optically denser medium among the 12-
13-high index of refraction optically denser medium
31-one-dimentional structure top electrode
32-two-dimensional structure top electrode
33-three-dimensional structure top electrode
41-electron acceptor type and electron donor type mixing integrative-structure photolytic activity organic material layer
42-electron acceptor type photolytic activity organic material layer
43-electron donor type photolytic activity organic material layer
The 51-organic buffer layer
52-metal bottom electrode
61-organic material cover layer
62-inorganic material cover layer
Embodiment:
Further specify each embodiment of the present utility model below in conjunction with accompanying drawing.
Organic thin film solar cell package assembly 1 embodiment
In Fig. 2; on the upper surface of glass or transparent plastic substrate 2, stack gradually and produce anti-reflection photosphere 1 and UV protective layer 9; and then stack gradually at glass or transparent plastic substrate lower surface and to produce transparent upper electrode 3, organic photoactive material layer 4, metal bottom electrode 5; be provided with an insulation barrier wall 7 between upper and lower electrode and photolytic activity organic material layer and the extraction electrode, make the organic and compound encapsulation cover layer 6 of inorganic material of last layer at last again and just formed described a kind of novel organic thin film solar cell.
The utility model organic thin film solar cell, cost is low, compact conformation, the reliability height, in light weight, thin thickness, the associativity that has multiple different package assemblies simultaneously, can further optimize and maximize the optoelectronic transformation efficiency of organic thin film solar cell by the combination of the multiple structure of different parts, expand its application at special dimensions such as agricultural, forestry, animal husbandry, colliery, geology, oil, ocean, military affairs.
Organic thin film solar cell package assembly 2 embodiment
In Fig. 3; on the upper surface of glass or transparent plastic substrate 2, stack gradually anti-reflection photosphere 1 and UV protective layer 9 in the making; and then stack gradually at glass or transparent plastic substrate lower surface and to produce transparent upper electrode 3; organic photoactive material layer 4; metal bottom electrode 5; on; be provided with an insulation barrier wall 7 between bottom electrode and photolytic activity organic material layer and the extraction electrode; by each solar battery cell in the horizontal direction the end to end mode of positive and negative electrode make a plurality of organic thin film solar cells unit; realize the series connection of solar battery cell, make the organic and compound encapsulation cover layer 6 of inorganic material of last layer at last again and just formed described a kind of novel organic thin film solar cell.
The utility model organic thin film solar cell, cost is low, compact conformation, the reliability height, in light weight, thin thickness, the associativity that has multiple different package assemblies simultaneously, can further optimize and maximize the optoelectronic transformation efficiency of organic thin film solar cell by the combination of the multiple structure of different parts, its cascaded structure also can significantly improve the output voltage of solar cell, has expanded its application at special dimensions such as agricultural, forestry, animal husbandry, colliery, geology, oil, ocean, military affairs.
Organic thin film solar cell package assembly 3 embodiment
In Fig. 4; on the upper surface of glass or transparent plastic substrate 2, stack gradually anti-reflection photosphere 1 and UV protective layer 9 in the making; and then stack gradually at glass or transparent plastic substrate lower surface and to produce transparent upper electrode 3; organic photoactive material layer 4; metal bottom electrode 5; on; be provided with an insulation barrier wall 7 between bottom electrode and photolytic activity organic material layer and the extraction electrode; shared by adjacent electrode; make a plurality of stacked organic thin film solar cell unit in vertical direction; the positive electrode of each solar battery cell links together; negative pole links together and draws the parallel connection that realizes solar battery cell by different extraction electrodes respectively, makes the organic and compound encapsulation cover layer 6 of inorganic material of last layer at last again and has just formed described a kind of novel organic thin film solar cell.
The utility model organic thin film solar cell, cost is low, compact conformation, the reliability height, in light weight, thin thickness, the associativity that has multiple different package assemblies simultaneously, can further optimize and maximize the optoelectronic transformation efficiency of organic thin film solar cell by the combination of the multiple structure of different parts, its parallel-connection structure also can significantly improve the output current of battery, has expanded its application at special dimensions such as agricultural, forestry, animal husbandry, colliery, geology, oil, ocean, military affairs.
Anti-reflection photosphere embodiment
In Fig. 5, dredge order by light is close from top to bottom to light, stack gradually high index of refraction optically denser medium 13, middle refractive index optically denser medium 12 and low-refraction optically denser medium 11 and just made an anti-reflection photosphere 1 of multilayer with antireflective light effect, the number of plies of optically denser medium can be one deck to three layer.
Transparent upper electrode embodiment
In Fig. 6, can make first kind of transparent upper electrode 3 of one-dimensional plane structure electrode 31 formulas, or make second kind of transparent upper electrode 3 of two-dimension plane structure electrode 32 formulas in printing opacity gaps such as having ' H ' shape or sawtooth waveform; Or make and not only have the printing opacity gap but also have outstanding the third transparent upper electrode 3 that embeds 3-D solid structure electrode 33 formulas of cylinder such as ' V ' shape or semicircle downwards, so that increase light transmission and increase the contact area of top electrode.
Organic photoactive material layer embodiment
In Fig. 7, electron acceptor type photolytic activity organic material and electron donor type photolytic activity organic material can be mixed into mutually the individual layer 41 of integrative-structure, make first kind of organic photoactive material layer 4 with single layer structure; Or stack one deck electron acceptor type photolytic activity organic material layer 42 is made and is had double-deck second kind of organic photoactive material layer 4 on electron donor type photolytic activity organic material layer 43; Or at stack one deck on the electron donor type photolytic activity organic material layer 43 by the electron acceptor type with after electron donor type photolytic activity organic material is mixed into the individual layer 41 of integrative-structure mutually, be superimposed with one deck electron acceptor type photolytic activity organic material layer 42 again and make the third organic photoactive material layer 4 with three-decker.
Metal bottom electrode embodiment
In Fig. 8, can only make a single metal level 52 as metal bottom electrode 5; Or the organic buffer layer 51 that the one deck that superposes again on metal level 52 helps carrier collection is made double-deck metal bottom electrode 5.
Organic and the compound encapsulation cover layer of inorganic material embodiment
In Fig. 9, the whole one deck organic material layer 61 that covers on organic solar batteries, the whole again inorganic material layer 62 that covers the last layer densification has just been made an organic and compound encapsulation cover layer 6 of inorganic material; Or repeatedly repeat to cover 61 layers and the 62 layers compound encapsulation cover layer 6 of organic and inorganic material that forms a high fine and close and high-isolation more than 2 layers.Organic material layer 61 can be that a kind of organic material also can be an organic material not of the same race; Inorganic material layer 62 can be that a kind of inorganic material also can be an inorganic material not of the same race.Organic material layer and inorganic material layer are can orderliness stacked also can the combination in any order stacked.
UV protective layer embodiment
In Figure 10, on the outer surface of UV protective layer, suppress many small pits and just made and both have light and converge characteristic the UV protective layer 9 with UV protective value is arranged.
In concrete the enforcement, the multiple different structure of each parts of organic thin film solar cell described in the utility model can be combined to form the organic thin film solar cell scheme of optimizing structure of a plurality of optimizations and maximization optoelectronic transformation efficiency mutually, such as, the cascaded structure of battery unit and parallel-connection structure combined to form not only have the output voltage that improves organic solar batteries but also have the optimization effect that improves output current, various combining structures are particularize not, all belongs to invention scope of the present utility model.
Claims (9)
1; a kind of organic thin film solar cell; comprise UV protective layer (9); anti-reflection photosphere (1); glass or transparent plastic substrate (2); transparent upper electrode (3); organic photoactive material layer (4); metal bottom electrode (5); insulation barrier wall (7) and the organic and compound encapsulation cover layer parts such as (6) of inorganic material; it is characterized in that: on the upper surface of glass or transparent plastic substrate (2), be provided with anti-reflection photosphere (1) and UV protective layer (9) from bottom to top with stacking gradually; be provided with organic thin film solar cell spare at glass or transparent plastic substrate lower surface; this organic thin film solar cell spare is from top to bottom successively by the transparent upper electrode that is provided with (3) stackedly; organic photoactive material layer (4) and metal bottom electrode (5) are formed; intercepts mutually by insulation barrier wall (7) between transparent upper electrode (3) and metal bottom electrode (5), the outsourcing of organic thin film solar cell spare be provided with one deck organic with the compound encapsulation cover layer of inorganic material (6).
2, organic thin film solar cell as claimed in claim 1, it is characterized in that: the organic thin film solar cell spare that is provided with on the lower surface of glass or transparent plastic substrate (2) is made up of a plurality of organic thin film solar cell unit that are connected in series, each battery unit is from top to bottom successively by the transparent upper electrode (3) of stacked setting, organic photoactive material layer (4) and metal bottom electrode (5) constitute, intercept mutually by insulation barrier wall (7) between the transparent upper electrode of each battery unit (3) and metal bottom electrode (5), each battery unit just in the horizontal direction, the end to end series connection of negative electrode is provided with the organic and compound encapsulation cover layer of inorganic material (6) of one deck in the organic thin film solar cell outsourcing.
3, organic thin film solar cell as claimed in claim 1, it is characterized in that the organic thin film solar cell spare that is provided with is made up of a plurality of organic thin film solar cell unit that are connected in parallel by the stacked setting of vertical direction on the lower surface of glass or transparent plastic substrate (2), each battery unit is by the transparent upper electrode (3) of stacked setting from top to bottom, organic photoactive material layer (4) and metal bottom electrode (5) constitute, the positive electrode of each battery unit links together, negative electrode links together and draws by extraction electrode (8) respectively, is provided with the organic and compound encapsulation cover layer of inorganic material (6) of one deck in the outsourcing of organic thin film solar cell spare.
4, organic thin film solar cell as claimed in claim 1 is characterized in that: the anti-reflection photosphere (1) of organic thin film solar cell is stacked gradually by 1 to 3 layer of medium layer of arranging to the optically denser medium order by optically thinner medium and forms.
5, as claim 1,2 or 3 described organic thin film solar cells, it is characterized in that: the transparent upper electrode of organic thin film solar cell (3) is an one dimension slab construction electrode, or for having the two-dimension plane structure electrode in ' H ' shape or sawtooth waveform printing opacity gap, or the printing opacity gap for both having ' H ' shape or sawtooth waveform, have ' V ' shape or the semicircular outstanding 3-D solid structure electrode that embeds cylinder again downwards.
6, as claim 1,2 or 3 described organic thin film solar cells, it is characterized in that: the photolytic activity organic material layer (4) of organic thin film solar cell is for being mixed into the single layer structure of one by electron acceptor type and electron donor type photolytic activity organic material, or the double-decker that forms for stack one deck electron acceptor type photolytic activity organic material layer on electron donor type photolytic activity organic material layer, or the three-decker that forms by electron acceptor type and electron donor type photolytic activity organic material mixed layer and one deck electron acceptor type photolytic activity organic material layer for the one deck that on electron donor type photolytic activity organic material layer, superposes successively.
7, as claim 1,2 or 3 described organic thin film solar cells, it is characterized in that: the metal bottom electrode (5) of organic thin film solar cell is the single layer structure of a metal level, or the double-decker that forms for one deck organic buffer layer that superposes again on metal level.
8, as claim 1,2 or 3 described organic thin film solar cells, it is characterized in that: the basic structure of the compound encapsulation cover layer of the organic and inorganic material of organic thin film solar cell (6) is the whole again double-decker that covers the inorganic material layer of last layer densification and form on one deck organic material cover layer, or repeatedly repeat stackedly this double-deck compound encapsulation cover layer is set and forms the compound encapsulation cover layer of organic and inorganic material more than 2 layers, said organic material layer is one or more organic materials, said inorganic material layer is one or more inorganic material, and organic material layer and inorganic material layer are stacked in order or stacked by the combination in any order.
9, organic thin film solar cell as claimed in claim 1 is characterized in that: the UV protective layer (9) of organic thin film solar cell is the UV protective material rete that is suppressed with many small pits on the outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720311391 CN201213140Y (en) | 2007-12-25 | 2007-12-25 | Organic thin-film solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720311391 CN201213140Y (en) | 2007-12-25 | 2007-12-25 | Organic thin-film solar cell |
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| CN201213140Y true CN201213140Y (en) | 2009-03-25 |
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| CN 200720311391 Expired - Fee Related CN201213140Y (en) | 2007-12-25 | 2007-12-25 | Organic thin-film solar cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964605A (en) * | 2010-08-05 | 2011-02-02 | 苏州柔印光电科技有限公司 | Solar energy field emergency power supply |
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- 2007-12-25 CN CN 200720311391 patent/CN201213140Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964605A (en) * | 2010-08-05 | 2011-02-02 | 苏州柔印光电科技有限公司 | Solar energy field emergency power supply |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20111225 |