CN102231333A - Vacuum automatic packaging method used for dye sensitization solar energy cell - Google Patents
Vacuum automatic packaging method used for dye sensitization solar energy cell Download PDFInfo
- Publication number
- CN102231333A CN102231333A CN 201110084525 CN201110084525A CN102231333A CN 102231333 A CN102231333 A CN 102231333A CN 201110084525 CN201110084525 CN 201110084525 CN 201110084525 A CN201110084525 A CN 201110084525A CN 102231333 A CN102231333 A CN 102231333A
- Authority
- CN
- China
- Prior art keywords
- work electrode
- encapsulating material
- electrode
- tio
- slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- Y02E10/542—Dye sensitized solar cells
-
- 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
Landscapes
- Hybrid Cells (AREA)
Abstract
The invention is directed to the field of dye sensitization solar energy cell production technology and particularly relates to a vacuum automatic packaging method used for a dye sensitization solar energy cell. According to the method, a screen printing method is adopted to prepare a TiO2 film, automatic gluing equipment is employed to form a required figure and a procuring is carried out, electrolyte is dripped into the figure formed by the packaging glue with an automatic dripping apparatus, leveling and stitching are carried out in a vacuum atmosphere and finally the packaging process of the cell is completed. The invention is characterized by simple technology, high controllability on technological parameter, short packaging time, good packaging reliability and high yield. The thickness of the cell and the amount of electrolyte are controlled through doping a cushion in the liquid state glue and the working electrode and the counter electrode are separated. The invention can be used for the packaging of a high efficiency large acreage dye sensitization solar energy cell.
Description
Technical field
The invention belongs to the DSSC technical field of producing, relate in particular to a kind of automatic method for packing of vacuum that is used for DSSC.
Background technology
Along with the increase in recent years of global population, energy depletion and global pollution have become very important problem.And solar energy is sought in the course of novel energy the mankind as a kind of inexhaustible reproducible energy, and its irreplaceable important function is arranged.Solar cell is a kind of device that directly transform light energy is become electric energy by photoelectric effect or Photochemical effects.Because solar cell just consumes sunlight, do not need moving component, move very reliably, and, become the human optimal energy naturally to not influence of environment.
Photoelectricity transform phenomenon by French scientist Henri Becq μ erel in first observed in 1839 to, successfully prepared solar cell up to the breadboard scientist of Bell in 1954 with p-n junction, its electricity conversion reaches 6%, but this is the solar cell of first kind of practicality.
At present, crystal silicon solar energy battery is widely used, and occupies the staple market of solar cell.But crystal silicon solar energy battery has certain limitation, relative cost height for example, and solar photovoltaic conversion efficient is low relatively, and silicon wafer thickness is thicker or the like.Meanwhile, thin-film solar cells has caused people's interest, and has had industry to a certain degree to use.Compare with crystalline silicon, the cost of thin-film solar cells descends bigger, and conversion efficiency further promotes and have the large tracts of land productive potentialities, so occupation rate of market has the space of further lifting, but, limited its development because its complex process and cost are still higher.And as the DSSC that grows up the nineties, be a kind of novel solar cell.1991, the Switzerland scientist
Utilize nanometer technology that the transformation efficiency of DSSC is brought up to 7% first Deng the people.DSSC is by means of the nanometer technology of fast development at present, and characteristics such as low-cost and environmental friendliness with it by people's broad research, and are able to fast development as third generation solar battery technology.
DSSC mainly comprises work electrode, electrolyte and to electrode.Wherein, can pass through behind preparation semiconductor porous film on the conductive substrate, dye molecule is adsorbed on form work electrode on the perforated membrane; To electrode generally is the electro-conductive glass that is coated with the platinum layer; Containing redox couple in the electrolyte, can be liquid, accurate solid-state or solid-state, and electrolyte commonly used is to contain I
3/ I
4The liquid state of ion.
DSSC adopts above-mentioned " sandwich " structure, in the time of on being applied to the area battery product, for guaranteeing the stable of battery performance, needs battery good sealing property and electrolyte thickness to keep evenly usually.Meanwhile,, use the long life-span that needs, encapsulation technology is also had higher requirement in order to guarantee DSSC because electrolyte generally has stronger oxidizability and higher volatility.
In the prior art, DSSC is holed on an electro-conductive glass earlier usually as hand-hole, utilize encapsulant to form seal chamber around electro-conductive glass, the hand-hole by electro-conductive glass injects electrolyte again, finishes the sealing of hand-hole at last.The encapsulating method of prior art needs than complicated packaging technology, and encapsulation automation and repeatable relatively poor, causes encapsulation difficulty increase, rate of finished products to reduce.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: the repeatability and the automaticity that how to improve the DSSC encapsulation.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of automatic method for packing of vacuum that is used for DSSC, may further comprise the steps:
The method of S1, employing silk screen printing is printed on slurry the conductive substrate that is used for the preparation work electrode, so that described slurry is printed to the sheet film of some mutual isolation, reserve one section space between the sheet film on every conductive substrate so that encapsulation;
S2, the conductive substrate that will utilize step S1 to obtain carry out sintering, soak then, obtain work electrode;
S3, bed course is mixed in the liquid packaging plastic;
S4, the liquid packaging plastic that will mix bed course are inserted in the automatic glue application equipment and are stirred, and bed course is evenly distributed in liquid packaging plastic, form encapsulating material; And will evenly apply in the space of described encapsulating material between the sheet film of work electrode, obtain having applied the work electrode of encapsulating material; Then described encapsulating material is carried out precuring, obtain being coated with the work electrode of semi-solid preparation encapsulating material;
S5, utilize the electrolyte that instils in the encapsulating material of automatic drop instillator after precuring;
S6, under vacuum condition, will be covered on the work electrode that is coated with the semi-solid preparation encapsulating material electrode, and the work electrode that is coated with electrode will be applied uniform pressure, make it smooth and remove to introduce wherein air;
S7, the encapsulating material in the work electrode is cured once more, obtains dye-sensitized cell.
Wherein, described conductive substrate is a fin oxide condutire glass of mixing F.
Wherein, described slurry is TiO
2The nano particle slurry, correspondingly, formed sheet film is TiO
2The rectangle sheet film.
Wherein, described bed course is made up of the insulated particle of same size.
Wherein, described bed course is made up of the spherical insulated particle of same diameter.
Wherein, described liquid packaging plastic is a ultraviolet curing glue.
Wherein, described TiO
2The nano particle slurry is the slurry that utilizes sol-gel process to be prepared from.
Wherein, step S2 is specially, and will be printed with TiO
2The conductive substrate of rectangle sheet film places annealing furnace, and the sintering temperature between 450 ℃～550 ℃ 30～60 minutes takes out substrate after sintering is finished, place dyestuff to soak 24～48 hours, obtains work electrode.
(3) beneficial effect
With respect to the packaging technology of traditional DSSC, the present invention adopts automatically dropping glue, the instil packaged type of electrolyte automatically, has obtained efficient large-area dye-sensitized solar battery, specifically,
1) figure that utilizes the automatic glue application Equipment Control to encapsulate, utilize the diameter Control work electrode of bed course and to distance between electrodes and electrolytical thickness, improve the repeatability of area battery encapsulation, aligning between the realization battery two-plate and the isolation between the junior unit battery help the production and the application of efficient area battery;
2) leveling pressing work electrode and during to electrode in vacuum atmosphere has effectively been removed the air that may introduce in the instillation electrolyte process, prevents reducing of the introducing of air causes in the solar cell effective area.
3) by selecting the bed course of forming by the spheric granules of same diameter for use, can control the use of liquid electrolyte, effectively adjust the impedance of electrolyte part, improve the performance of battery;
4) can use the liquid packaging plastic of strong corrosion resistance, utilize its strong adhesive performance and good sealing property, shorten the encapsulation time, improve the life-span of encapsulation rate of finished products and product.
Description of drawings
Fig. 1 is a method flow diagram of the present invention;
Fig. 2 is the silk-screen TiO on the FTO electro-conductive glass according to the embodiment of the invention
2Film;
Fig. 3 is the work electrode of making according to the embodiment of the invention;
Fig. 4 is the integration applanation process of battery in vacuum atmosphere according to the embodiment of the invention;
Fig. 5 is the complete dye-sensitized cell according to the embodiment of the invention.
Among the figure: the 1FTO electro-conductive glass; TiO before 2 annealing
2Film; TiO after 3 annealing
2Film; 4 pairs of electrodes; 5 mix the curing glue of bed course; 6 electrolyte.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, and with reference to figure 2～5, the method for the embodiment of the invention may further comprise the steps:
S1, employing screen printing technique are TiO
2The nano particle slurry is printed on the conductive substrate (being preferably the fin oxide condutire glass (FTO electro-conductive glass 1) of mixing F) that is used for the preparation work electrode, so that described TiO
2The nano particle slurry is printed to the TiO of some mutual isolation
2The rectangle sheet film (can abbreviate TiO as
2Film).TiO on every conductive substrate
2Reserve one section space (be the interval between four films among Fig. 2) between the film so that encapsulate.
Wherein, before the use, FTO electro-conductive glass 1 will be through ultrasonic water bath cleaning back oven dry, and effect is the cleaning electro-conductive glass, the TiO after guaranteeing to anneal
2With FTO electro-conductive glass good contact effect.
Wherein, preparation TiO
2The process of nano particle slurry is: utilize sol-gel process to prepare nano-TiO
2Nano particle slurry: the triethylamine solution 50mL, the 0.1mol/L acetate titanium solution 250mL that prepare a certain amount of concentration; Under strong agitation, triethylamine solution is joined in the acetate titanium solution; In order to make TiO
2Uniform particles prevents that particle from reuniting fast, uses dropping funel that triethylamine solution is joined in the acetate titanium solution lentamente; Along with the adding of triethylamine solution, the adularescent floccule generates; Constantly stir,, become stable sols through about 15h; Filter then, remove oarse-grained TiO
2After obtain required TiO
2The nano particle slurry.
Wherein, use silk screen printing machine silk-screen TiO
2Nano particle slurry, the silk screen of used screen process press are 300 orders, TiO
2Reservation distance between the film is 3mm.
Wherein, the printing process is specially: FTO electro-conductive glass 1 is positioned on the microscope carrier of silk screen printing machine, covers silk screen, can be stained with TiO with scraper by the figure of slurry with what make in advance on the FTO electro-conductive glass 1 aligning silk screen when covering silk screen
2The nano particle slurry is even blade coating TiO on the figure of silk screen firmly
2The nano particle slurry, its thickness is about 7um-10um.As shown in Figure 2, for being printed with the preceding TiO of annealing on the FTO electro-conductive glass 1
2The schematic diagram of film 2.
S2, the conductive substrate that silk-screen is finished carry out sintering, soak then, obtain work electrode.Be specially: will be printed with TiO
2The conductive substrate of film places annealing furnace (for example Muffle furnace), the sintering temperature that between 450 ℃～550 ℃, (is preferably 500 ℃) 30～60 minutes (being preferably 60 minutes), take out substrate after sintering is finished, place the N719 dyestuff to soak 24～48 hours (being preferably 36 hours).Work electrode after dyestuff soaks as shown in Figure 4.On-chip TiO
2Particle mean radius in the film is about 40nm, and thickness is 7.0 μ m.
Next work electrode is used for the assembling of battery.
S3, be that the bed course (spacer) of 20 μ m mixes in the 5g ultraviolet curing glue, obtain mixture, promptly mix the curing glue 5 of bed course the 0.1g diameter.
S4, mixture is inserted in the automatic glue application equipment, bed course is evenly distributed in ultraviolet curing glue, form encapsulating material, in the process that forms encapsulating material, utilize the figure of described automatic glue application Equipment Control encapsulating material with mechanical agitation.Using the diameter with the automatic glue application coordinative composition of equipments is the needle head that is coated with of 100 μ m, with the encapsulating material that the mixes TiO at work electrode
2Evenly apply in the space between the film.The encapsulating material that coating is good places in the ultraviolet curing machine, uses 365nm, intensity to be 100mw/cm
2UV-irradiation 10 seconds, finish the precuring of encapsulating material, form the encapsulating material of semi-cured state, thereby obtain being coated with the work electrode of precuring encapsulating material.Described precuring is the process with the encapsulating material semi-solid preparation, makes encapsulating material that certain viscosity be arranged, and is unlikely to full solidification again.Described automatic glue application equipment is existing equipment, gets final product so long as can finish the equipment of automatic glue application.For example, can be by computer control, the equipment of the track glue coated of setting according to the user.
S5, utilize instillation electrolyte 6 in the encapsulating material of manual or automatic drop instillator after precuring.Described automatic drop instillator is an existing equipment, gets final product so long as can finish the equipment of automatic instillation.For example, can be by computer control, according to user's needs, the electrolyte of specified quantitative is instilled into equipment in the encapsulating material with certain flow.
S6, required vacuum cavity is taken out vacuum atmosphere for 200-20000pa (being preferably 5000pa) with mechanical pump, to be covered on the work electrode that has applied encapsulating material electrode 4 (back electrode of battery) under this vacuum condition, and apply uniform pressure with the auto-stitching device, make its smooth and removal introducing air, thereby improve the rate of finished products of cell package.
S7, this auto-stitching device is put in the ultraviolet curing machine, uses peak value to be 365nm, intensity is 100mw/cm
2UV-irradiation 20s, encapsulating material is cured once more, to obtain complete dye-sensitized cell, as shown in Figure 5.
As can be seen from the above embodiments, technology of the present invention is simple, technological parameter controllability height, the encapsulation time is short, reliability that under this technological parameter condition, encapsulates and rate of finished products height, and adopt method control cell thickness and the electrolyte consumption in liquid glue, mix bed course, isolate work electrode and electrode.The present invention can be used for the encapsulation of efficient large-area dye-sensitized solar battery.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (9)
1. the automatic method for packing of vacuum that is used for DSSC is characterized in that, may further comprise the steps:
The method of S1, employing silk screen printing is printed on the conductive substrate that is used for the preparation work electrode to slurry, so that described slurry is printed to the number of plate-shaped film, the certain distance in described number of plate-shaped film space is arranged on the described conductive substrate;
S2, the conductive substrate that will utilize step S1 to obtain carry out sintering, soak then, obtain work electrode;
S3, bed course is mixed in the liquid packaging plastic;
S4, the liquid packaging plastic that will mix bed course are inserted in the automatic glue application equipment and are stirred, and bed course is evenly distributed in liquid packaging plastic, form encapsulating material; And will evenly apply in the interval of described encapsulating material between the sheet film of work electrode, obtain having applied the work electrode of encapsulating material; Then described encapsulating material is carried out precuring, obtain being coated with the work electrode of semi-solid preparation encapsulating material;
S5, utilize the electrolyte that instils in the encapsulating material of automatic drop instillator after precuring;
S6, under vacuum condition, will be covered on the work electrode that is coated with the semi-solid preparation encapsulating material electrode, and the work electrode that is coated with electrode will be applied uniform pressure, make it smooth and remove to introduce wherein air;
S7, the encapsulating material in the work electrode is cured once more, obtains dye-sensitized cell.
2. the method for claim 1 is characterized in that, described conductive substrate is a fin oxide condutire glass of mixing F.
3. method as claimed in claim 2 is characterized in that, described slurry is TiO
2The nano particle slurry, correspondingly, formed sheet film is TiO
2The rectangle sheet film.
4. as each described method of claim 1～3, it is characterized in that described bed course is made up of the insulated particle of same size.
5. method as claimed in claim 4 is characterized in that, described bed course is made up of the spherical insulated particle of same diameter.
6. method as claimed in claim 3 is characterized in that, described liquid packaging plastic is a ultraviolet curing glue.
7. method as claimed in claim 3 is characterized in that, described TiO
2The nano particle slurry is the slurry that utilizes sol-gel process to be prepared from.
8. as each described method in the claim 3,6,7, it is characterized in that step S2 is specially, will be printed with TiO
2The conductive substrate of rectangle sheet film places annealing furnace, and the sintering temperature between 450 ℃～550 ℃ 30～60 minutes takes out substrate after sintering is finished, place dyestuff to soak 24～48 hours, obtains work electrode.
9. a DSSC of utilizing in the claim 1,2,3,6,7 each described method preparation is characterized in that, comprises work electrode, and it comprises work electrode, electrolyte and to electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110084525 CN102231333B (en) | 2011-04-06 | 2011-04-06 | Vacuum automatic packaging method used for dye sensitization solar energy cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110084525 CN102231333B (en) | 2011-04-06 | 2011-04-06 | Vacuum automatic packaging method used for dye sensitization solar energy cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102231333A true CN102231333A (en) | 2011-11-02 |
| CN102231333B CN102231333B (en) | 2013-01-23 |
Family
ID=44843890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110084525 Expired - Fee Related CN102231333B (en) | 2011-04-06 | 2011-04-06 | Vacuum automatic packaging method used for dye sensitization solar energy cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102231333B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610399A (en) * | 2012-03-09 | 2012-07-25 | 上海北京大学微电子研究院 | Sensitized solar cell package system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515509A (en) * | 2009-03-25 | 2009-08-26 | 彩虹集团公司 | Packaging method for dye-sensitized solar battery assembly |
| CN101582335A (en) * | 2009-05-27 | 2009-11-18 | 彩虹集团公司 | Method for packaging dye-sensitized solar battery |
| CN101777436A (en) * | 2010-01-20 | 2010-07-14 | 北京大学 | Method for packaging dye-sensitized solar cell |
| CN101916668A (en) * | 2010-08-09 | 2010-12-15 | 上海联孚新能源科技有限公司 | Dye-sensitized solar battery with sealing structure and preparation method thereof |
-
2011
- 2011-04-06 CN CN 201110084525 patent/CN102231333B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515509A (en) * | 2009-03-25 | 2009-08-26 | 彩虹集团公司 | Packaging method for dye-sensitized solar battery assembly |
| CN101582335A (en) * | 2009-05-27 | 2009-11-18 | 彩虹集团公司 | Method for packaging dye-sensitized solar battery |
| CN101777436A (en) * | 2010-01-20 | 2010-07-14 | 北京大学 | Method for packaging dye-sensitized solar cell |
| CN101916668A (en) * | 2010-08-09 | 2010-12-15 | 上海联孚新能源科技有限公司 | Dye-sensitized solar battery with sealing structure and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610399A (en) * | 2012-03-09 | 2012-07-25 | 上海北京大学微电子研究院 | Sensitized solar cell package system and method |
| CN102610399B (en) * | 2012-03-09 | 2014-08-27 | 上海北京大学微电子研究院 | Sensitized solar cell package system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102231333B (en) | 2013-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101702377B (en) | Zinc oxide/titanium dioxide hybrid electrode and preparation method thereof | |
| CN109461821A (en) | A kind of preparation method of hybrid inorganic-organic perovskite thin film | |
| CN103172273B (en) | A kind of hydro-thermal method prepares the method for electro-allochromatic nickel oxide film | |
| CN104250723A (en) | Chemical method for in-situ large-area controlled synthesis of perovskite type CH3NH3PBI3 membrane material based on lead simple-substance membrane | |
| CN102254697B (en) | Titanium dioxide light anode, and preparation method and use thereof | |
| CN104021942B (en) | A kind of method improving Zinc oxide-base DSSC photoelectric properties | |
| CN102332355B (en) | Preparation technology for titanium dioxide nano membrane in dye-sensitized solar cell | |
| CN108666428A (en) | A kind of perovskite monocrystalline film solar cell preparation method and device | |
| CN102930993B (en) | Dye solar cell two dye-sensitized nano gold doped electrode and preparation method | |
| CN102208487B (en) | Preparation method of nanostructure heterojunction of CuInSe nanocrystal, cadmium sulfide quantum dot and zinc oxide nanowire array | |
| CN102956356A (en) | Device and method for rapidly preparing large-area dye-sensitized solar cell | |
| TW201115809A (en) | Method for manufacturing an electrode | |
| CN106128772B (en) | A kind of preparation method of vulcanized lead quantum dot photovoltaic battery | |
| CN104934503A (en) | Preparation method of perovskite solar cell light absorption layer material methylamine lead dibromide | |
| CN105514276A (en) | Mesoporous perovskite photovoltaic material and preparation method thereof | |
| CN103700725A (en) | Preparation method of nano-particle-based copper indium sulphur selenium film for solar battery | |
| CN103762084A (en) | Dye-sensitized solar cell and low-temperature preparation method of photo-anode of dye-sensitized solar cell | |
| CN101354970A (en) | Method for preparing dye sensitization nano-crystalline solar battery | |
| CN105576128A (en) | Method for controlling features of light absorption layer of perovskite solar battery | |
| CN101789317B (en) | Dye sensitization solar battery and preparation method thereof | |
| CN105789450B (en) | A kind of preparation method of large area homogeneous organic-inorganic perovskite thin film and its product and application | |
| CN101777436A (en) | Method for packaging dye-sensitized solar cell | |
| CN102231333B (en) | Vacuum automatic packaging method used for dye sensitization solar energy cell | |
| CN102436935A (en) | Natural dye sensitized Zn2TiO4 nano-crystalline film solar cell and preparation method thereof | |
| CN102005303B (en) | Method for preparing SiO2-modified ZnO nano-porous thin film composite electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20160406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |