CN104966776A - Long-service-life quantum dot fluorescent composite film for LED plant growth lamp and preparation method thereof - Google Patents
Long-service-life quantum dot fluorescent composite film for LED plant growth lamp and preparation method thereof Download PDFInfo
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- CN104966776A CN104966776A CN201510381220.8A CN201510381220A CN104966776A CN 104966776 A CN104966776 A CN 104966776A CN 201510381220 A CN201510381220 A CN 201510381220A CN 104966776 A CN104966776 A CN 104966776A
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- 239000002096 quantum dot Substances 0.000 title claims abstract description 117
- 230000008635 plant growth Effects 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002131 composite material Substances 0.000 title abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 72
- 125000006239 protecting group Chemical group 0.000 claims description 43
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 6
- 150000002484 inorganic compounds Chemical class 0.000 claims description 6
- 229910010272 inorganic material Inorganic materials 0.000 claims description 6
- 229920000620 organic polymer Polymers 0.000 claims description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000004811 fluoropolymer Substances 0.000 claims description 2
- 229920002313 fluoropolymer Polymers 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 239000012994 photoredox catalyst Substances 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 229920000915 polyvinyl chloride Polymers 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 78
- 239000012790 adhesive layer Substances 0.000 abstract 2
- 239000010408 film Substances 0.000 description 13
- 239000010409 thin film Substances 0.000 description 10
- 241000196324 Embryophyta Species 0.000 description 6
- 241001025261 Neoraja caerulea Species 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000012010 growth Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000029553 photosynthesis Effects 0.000 description 3
- 238000010672 photosynthesis Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 150000003003 phosphines Chemical class 0.000 description 2
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/20—Forcing-frames; Lights, i.e. glass panels covering the forcing-frames
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a long-service-life quantum dot fluorescent composite film for an LED plant growth lamp and a preparation method thereof. The quantum dot fluorescent composite film comprises a quantum dot layer, protection base material layers and protection adhesive layers, wherein the upper surface and the lower surface of the quantum dot layer are covered by the protection base material layers, and four side surfaces of the quantum dot layer are covered by the protection adhesive layers. The LED plant growth lamp, which is equipped with a blue-light, purple-light or ultraviolet-light LED to act as a light source, provided with the quantum dot fluorescent composite film can emit mixed light of red light and blue light. The wavelength, the half-peak width and the relative strength of the red light and the blue light emitted by the plant growth lamp can be changed through adjusting the type, the concentration and the dosage of quantum dots in the fluorescent composite film, thereby achieving requirements which are the most appropriate for plant growth.
Description
Technical field
The present invention relates to a kind of quantum dot fluorescence laminated film for LED plant growth lamp and preparation method thereof.The LED lamp of installing this quantum dot fluorescence laminated film can be used for plant light compensation.
Background technology
Plant growth needs to absorb sunlight, for photosynthesis.Plant can carry out the photosynthesis of 16 hours every day, but the time of natural lighting is very limited, makes plant growth slow.For strengthening the photosynthesis of plant, promote that it grows, generally use powerful light fixture (being called plant growth lamp) at present, when cloudy day and rainy day in exposure cell or the crops planted in booth, sunlight is replaced, for growth and development of plants provides a good environment with light.
In sunray, be blue light and ruddiness to the most important wave band of plant growth.Blue light can Promoting plant growth, and ruddiness is then conducive to flowering of plant result and kind of blooming period prolonging.
The LED plant growth lamp of prior art adopts Red and blue light LED lamp bead as light source simultaneously, and the number ratio of red LED lamp pearl and blue LED lamp pearl is generally 5:1 to 10:1, and Red and blue light lamp pearl number difference is comparatively large, causes light fixture bright dipping uneven.
For solving the problem, current people have explored some modification methods.Using blue-ray LED as light source, using red quantum point as light-converting material, the some light sent by blue-ray LED converts the ruddiness of specific wavelength to, can solve the problem that light fixture bright dipping is uneven.But under the joint effect of the heat sent in LED lamp and the wet environment of crop growth, the useful life of quantum dot fluorescence material is subject to very test.Temperature during LED lamp work can reach 100 DEG C, and the relative humidity of crop growth environment can reach 100%.Quantum dot is under the acting in conjunction of the factors such as light, heat, aqueous vapor, oxygen, and its stability is greatly affected.Therefore, can quantum dot fluorescence material obtain suitable protection, is the key point that can technology of quantum dots be applied in plant light compensation field.
Summary of the invention
The present invention aims to provide a kind of long-life quantum dot fluorescent composite thin film for LED plant growth lamp and preparation method thereof, this long-life quantum dot fluorescent composite thin film being used for LED plant growth lamp effectively improves the stability of quantum dot in hot and humid environment, extends the useful life of quantum dot fluorescence film.
For achieving the above object, the invention provides following technical scheme:
A kind of long-life quantum dot fluorescent composite thin film for LED plant growth lamp; it comprises quantum dot layer, protecting group sheet material layers and protection glue-line; upper surface, the lower surface of described quantum dot layer are covered by described protecting group sheet material layers, and the cubic side of described quantum dot layer is covered by described protection glue-line.
Protecting group sheet material layers and protection glue-line effectively stop extraneous aqueous vapor, oxygen, VOC, and enter quantum dot layer, wherein, described VOC comprises organophosphor (phosphine) class, organic amine, alcohols etc.
As a further improvement on the present invention, described quantum dot layer comprises quantum dot fluorescence material, fluoropolymer resin and light diffusion particle.Preferably, above-mentioned quantum dot fluorescence material is Patent Application Publication No is the quantum dot described in the patent of invention of CN102676174 A and CN103242831 A.
As a further improvement on the present invention, described quantum dot fluorescence material is red quantum point, or the mixture of red quantum point and blue quantum dot.
As a further improvement on the present invention, the emission wavelength of described red quantum point fluorescent material is 610nm ~ 670nm.
As a further improvement on the present invention, the emission wavelength of described blue quantum dot fluorescent material is 400nm ~ 500nm.
As a further improvement on the present invention, when incident ray is blue light, described quantum dot fluorescence material is red quantum point.
As a further improvement on the present invention, when incident ray is purple light, described quantum dot fluorescence material comprises red quantum point and blue quantum dot.
As a further improvement on the present invention, when incident ray is ultraviolet light, described quantum dot fluorescence material comprises red quantum point and blue quantum dot.
As a further improvement on the present invention, the content of described quantum dot fluorescence material in quantum dot layer is 0.01% ~ 40%.
As a further improvement on the present invention, the content of described quantum dot fluorescence material in quantum dot layer is 0.1% ~ 20%.
As a further improvement on the present invention, described quantum dot layer also comprises other components, for filmogen, light diffusion particle, solvent and base material, the component of described quantum dot layer and proportioning, and the preparation method that fluorescence membrane preparation method is the fluorescent optical membrane described in the patent of invention of CN103408984A with reference to public announcement of a patent application number.
As a further improvement on the present invention, after described quantum dot layer solidification, can be separated with its base material, become the fluorescence membrane of self-supporting.
As a further improvement on the present invention, the thickness of described quantum dot layer is 1 μm ~ 1000 μm.
As a further improvement on the present invention, the thickness of described quantum dot layer is 5 μm ~ 500 μm.
As a further improvement on the present invention, the thickness of described quantum dot layer is 10 μm ~ 100 μm.
As a further improvement on the present invention, the binding material between described protecting group sheet material layers and quantum dot layer is one or more in organic siliconresin, acrylic resin, epoxy resin, polyurethane, UV light-cured resin, ethylene-vinyl acetate copolymer (EVA).
As a further improvement on the present invention, between described protecting group sheet material layers and quantum dot layer, the solvent of binding material is one or more in aromatic hydrocarbons, ketone, alcohols, alkanes, cycloalkane, ester class.
As a further improvement on the present invention, the bondline thickness bondd between described protecting group sheet material layers and quantum dot layer is 5 μm ~ 50 μm.
As a further improvement on the present invention, described protecting group sheet material layers is organic polymer, inorganic compound, or, the compound of organic polymer and inorganic compound.
As a further improvement on the present invention, the protecting group sheet material layers of described organic polymer type is one or more in organic siliconresin, epoxy resin, acrylic resin, Merlon (PC), PETG (PET), ethylene-vinyl acetate copolymer (EVA), polypropylene (PP), polyvinyl chloride (PVC), polymethyl methacrylate (PMMA).
As a further improvement on the present invention, the protecting group sheet material layers of described inorganic compound type is silicon dioxide, silica (SiO
x), Al
2o
3, glass, one or more in quartz.
As a further improvement on the present invention, the thickness of described protecting group sheet material layers is 0.01mm ~ 5mm.
As a further improvement on the present invention, the thickness of described protecting group sheet material layers is 0.05mm ~ 1mm.
As a further improvement on the present invention, described protecting group sheet material layers or protection glue-line are 1 × 10 to the transmitance of aqueous vapor
-6mg/m
2my god ~ 1mg/m
2my god, be preferably 0.1mg/m
2my god ~ 1 × 10
-3mg/m
2my god.
As a further improvement on the present invention, described protecting group sheet material layers or protection glue-line are 1 × 10 to the transmitance of oxygen
-6mL/m
2my god ~ 1mL/m
2my god, be preferably 0.1mL/m
2my god ~ 1 × 10
-3mg/m
2my god.
As a further improvement on the present invention, described protecting group sheet material layers or the transmitance of protection glue-line to organophosphor (phosphine) class are 1 × 10
-6mg/m
2my god ~ 1mg/m
2my god, be preferably 0.1mg/m
2my god ~ 1 × 10
-3mg/m
2my god.
As a further improvement on the present invention, described protecting group sheet material layers or protection glue-line are 1 × 10 to the transmitance of organic amine
-6mg/m
2my god ~ 1mg/m
2my god, be preferably 0.1mg/m
2my god ~ 1 × 10
-3mg/m
2my god.
As a further improvement on the present invention, described protecting group sheet material layers or protection glue-line are 1 × 10 to the transmitance of alcohols
-6mg/m
2my god ~ 1mg/m
2my god, be preferably 0.1mg/m
2my god ~ 1 × 10
-3mg/m
2my god.
Compared with prior art, the long-life quantum dot fluorescent composite thin film for LED plant growth lamp provided by the invention, the protecting group sheet material layers of described quantum dot fluorescence laminated film and protection glue-line significantly can improve the useful life of quantum dot in hot and humid environment.Described quantum dot fluorescence laminated film, under the exciting of blue light, purple light or ultraviolet light, can send the ruddiness of the specific wavelength that plant growth needs most or the mixed light of ruddiness and blue light.By regulating the kind of quantum dot in fluorescent composite thin film, concentration and consumption, changing the strength ratio of the Red and blue light penetrated from fluorescent composite thin film, reaching the needs to the most applicable plant growth.Can be installed on the cover surface of conventional LED plant growth lamp, described quantum dot fluorescence laminated film also can replace lampshade, and be installed on lampshade position originally, highly versatile, install simple, the LED plant growth lamp of different size and shape all can be installed.The LED plant growth lamp (being equipped with blue light, purple light or ultraviolet leds as light source) of this quantum dot fluorescence laminated film is installed, the mixed light of ruddiness and blue light can be sent.By regulating the kind of quantum dot in fluorescent composite thin film, concentration and consumption, the wavelength of the Red and blue light of outgoing from plant growth lamp, half-peak breadth and relative intensity can be changed, reach the needs to the most applicable plant growth.
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of quantum dot layer in the embodiment of the present invention 1 ~ 4.
Fig. 2 and Fig. 3 is the structural representation of sandwich construction fluorescent composite thin film in the embodiment of the present invention 5 ~ 8.
Fig. 4 is the outgoing spectrum of the plant growth lamp installing blue-ray LED and quantum dot fluorescence laminated film.
Fig. 5 is the contrast of quantum dot fluorescence stability when " using the situation of protecting group sheet material layers and protection glue-line " and " do not use protecting group sheet material layers and protect the situation of glue-line ".
Embodiment
A kind of long-life quantum dot fluorescent composite thin film for LED plant growth lamp provided by the invention; it comprises quantum dot layer, protecting group sheet material layers and protection glue-line; upper surface, the lower surface of described quantum dot layer are covered by described protecting group sheet material layers, and the cubic side of described quantum dot layer is covered by described protection glue-line.
As shown in Figure 1, quantum dot layer 11 comprises blue quantum dot 111, red quantum point 112, light diffusion particle 113, filmogen 114.
The preparation method of quantum dot layer is: at the glue of substrate surface coating containing dot layer material, after glue curing, form quantum dot layer.
Embodiment 1 ~ 4 for preparing the concrete grammar of quantum dot layer, in table 1.
The preparation method of table 1 quantum dot layer 11
As shown in Figures 2 and 3, quantum dot fluorescence laminated film 1 comprises quantum dot layer 11, is positioned at the protecting group sheet material layers 12 of quantum dot layer 11 upper and lower surface and is positioned at the protection glue-line 13 of quantum dot layer side surrounding.
Wherein, the preparation method of quantum dot fluorescence laminated film: quantum dot layer 11 is put in protecting group sheet material layers 12; or with protecting group sheet material layers 12 for base material; prepare quantum dot layer 11 thereon; then another layer of protecting group sheet material layers 12 is covered at quantum dot layer 11 another side; bond with adhesives between quantum dot layer 11 and protecting group sheet material layers 12, finally coat protection glue-line 13 in quantum dot layer side surrounding and make it solidification.The effect of protection glue-line 13 protects quantum dot layer 11 side.The material protecting glue-line 13 used is identical with material used bonding between quantum dot layer 11 and protecting group sheet material layers 12.Embodiment 5 ~ 8 is the concrete preparation method of quantum dot fluorescence laminated film 1, in table 2.
The preparation method of table 2 quantum dot fluorescence laminated film 1
The spectrum of the plant growth lamp emitted light of blue-ray LED and quantum dot fluorescence laminated film 1 is installed as shown in Figure 4.Comprising the spectral content that plant growth needs most in this spectrum, be the blue light of 450nm and maximum wavelength is the ruddiness of 650nm comprising maximum wavelength.
Compared with prior art, the invention has the beneficial effects as follows: by using protecting group sheet material layers and protection glue-line, significantly can improve the durability of quantum dot.By the quantum dot layer 11 containing protecting group sheet material layers 12 and protection glue-line 13, and not containing protective layer 12 and the quantum dot layer 11 protecting glue-line 13, be installed on respectively on the lampshade of the plant growth lamp being equipped with blue-ray LED, make this light fixture continuous operation 1400 hours.In the process, the intensity of the red fluorescence that quantum dot layer 11 sends constantly is detected.As shown in Figure 5; in plant growth lamp continuous operation after 1400 hours, when quantum dot layer 11 is subject to the protection of protecting group sheet material layers 12 and protection glue-line 13, its red fluorescence intensity is without weakening; and not containing protecting group sheet material layers 12 and the quantum dot layer 11 protecting glue-line 13, red fluorescence intensity declines 80%.
The present invention is not limited to above-mentioned execution mode, if do not depart from the spirit and scope of the present invention to various change of the present invention or modification, if these are changed and modification belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. the quantum dot fluorescence laminated film for LED plant growth lamp; it is characterized in that; it comprises quantum dot layer, protecting group sheet material layers and protection glue-line; upper surface, the lower surface of described quantum dot layer are covered by described protecting group sheet material layers, and the cubic side of described quantum dot layer is covered by described protection glue-line.
2. the quantum dot fluorescence laminated film for LED plant growth lamp according to claim 1, is characterized in that, described quantum dot layer comprises quantum dot fluorescence material, fluoropolymer resin and light diffusion particle.
3. the quantum dot fluorescence laminated film for LED plant growth lamp according to claim 2, is characterized in that, described quantum dot fluorescence material is red quantum point, or the mixture of red quantum point and blue quantum dot.
4. the quantum dot fluorescence laminated film for LED plant growth lamp according to claim 1, is characterized in that, described protecting group sheet material layers is organic polymer, inorganic compound, or, the compound of organic polymer and inorganic compound.
5. the quantum dot fluorescence laminated film for LED plant growth lamp according to claim 4; it is characterized in that, the protecting group sheet material layers of described organic polymer type be organic siliconresin, epoxy resin, acrylic resin, PP, PC, EVA, PET, PMMA, PVC one or more.
6. the quantum dot fluorescence laminated film for LED plant growth lamp according to claim 4, is characterized in that, the protecting group sheet material layers of described inorganic compound type is silicon dioxide, silica, Al
2o
3, glass, quartz one or more.
7. the quantum dot fluorescence laminated film for LED plant growth lamp according to claim 1; it is characterized in that, the binding material between the protecting group sheet material layers of described quantum dot fluorescence laminated film and quantum dot layer is one or more in organic siliconresin, acrylic resin, epoxy resin, polyurethane, UV light-cured resin, ethylene-vinyl acetate copolymer.
8. the quantum dot fluorescence laminated film for LED plant growth lamp according to claim 7, is characterized in that, the bondline thickness bondd between described protecting group sheet material layers and quantum dot layer is 5 μm ~ 50 μm.
9. described in any one of claim 1-8 for a preparation method for the quantum dot fluorescence laminated film of LED plant growth lamp, it is characterized in that, described quantum dot layer is put in and is positioned in the described protecting group sheet material layers of bottom; Or with the described protecting group sheet material layers being positioned at bottom for base material, prepare described quantum dot layer thereon; Then; the described protecting group sheet material layers being positioned at upper strata is covered at described quantum dot layer upper surface; bond with adhesives between described quantum dot layer and described two-layer protecting group sheet material layers, finally coat described protection glue-line in described quantum dot layer side surrounding, and make it solidification.
10. the preparation method of the quantum dot fluorescence laminated film for LED plant growth lamp according to claim 9, is characterized in that, described protection glue-line material used is, bonding material used between described quantum dot layer and described protecting group sheet material layers.
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| CN201510381220.8A CN104966776B (en) | 2015-06-29 | 2015-06-29 | A kind of long-life quantum dot fluorescent composite thin film and preparation method thereof for LED plant growth lamp |
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|---|---|---|---|
| CN201510381220.8A CN104966776B (en) | 2015-06-29 | 2015-06-29 | A kind of long-life quantum dot fluorescent composite thin film and preparation method thereof for LED plant growth lamp |
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| CN104966776B CN104966776B (en) | 2018-08-31 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609495A (en) * | 2016-02-02 | 2016-05-25 | 陕西科技大学 | Integrated quantum dot LED plant growth lamp and preparation method therefor |
| CN106367069A (en) * | 2016-08-19 | 2017-02-01 | Tcl集团股份有限公司 | Four-footed quantum dot, preparation method of four-footed quantum dot and four-footed quantum dot luminescent film |
| CN106505137A (en) * | 2016-11-01 | 2017-03-15 | 厦门世纳芯科技有限公司 | Excellent quantum dot reinforcing membrane of a kind of optical effect and preparation method thereof |
| CN107681042A (en) * | 2017-09-29 | 2018-02-09 | 广州正农照明科技有限公司 | A kind of quantum dot LED light source for plant growth |
| CN107869700A (en) * | 2016-09-26 | 2018-04-03 | 纳米及先进材料研发院有限公司 | A kind of light conversion film and preparation method thereof and the application on plant growth lamp |
| CN108022922A (en) * | 2017-11-10 | 2018-05-11 | 江苏稳润光电科技有限公司 | One kind is suitable for plant illumination LED light source |
| CN108302368A (en) * | 2016-09-28 | 2018-07-20 | 纳米及先进材料研发院有限公司 | A kind of plant growth lamp |
| CN108488758A (en) * | 2018-02-26 | 2018-09-04 | 惠州市华星光电技术有限公司 | A kind of optical diaphragm, backlight module and display device |
| CN109994592A (en) * | 2016-10-20 | 2019-07-09 | 苏州星烁纳米科技有限公司 | Quantum dot colloid, light conversion element and light emitting device |
| CN110129398A (en) * | 2018-02-02 | 2019-08-16 | 中国农业大学 | Processing waste water and the method and apparatus for producing nutriment |
| US10667467B2 (en) | 2018-01-24 | 2020-06-02 | Nano And Advanced Materials Institute Limited | Light control device for stimulating plant growth and method thereof |
| CN111952426A (en) * | 2020-07-21 | 2020-11-17 | 广东广腾达科技有限公司 | Quantum dot light-emitting diode and packaging method thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609495B (en) * | 2016-02-02 | 2018-09-18 | 陕西科技大学 | integrated quantum dot LED plant growth lamp and preparation method thereof |
| CN105609495A (en) * | 2016-02-02 | 2016-05-25 | 陕西科技大学 | Integrated quantum dot LED plant growth lamp and preparation method therefor |
| CN106367069A (en) * | 2016-08-19 | 2017-02-01 | Tcl集团股份有限公司 | Four-footed quantum dot, preparation method of four-footed quantum dot and four-footed quantum dot luminescent film |
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| CN106505137B (en) * | 2016-11-01 | 2018-08-17 | 厦门世纳芯科技有限公司 | A kind of quantum dot that optical effect is excellent enhancing film and preparation method thereof |
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| CN110129398A (en) * | 2018-02-02 | 2019-08-16 | 中国农业大学 | Processing waste water and the method and apparatus for producing nutriment |
| CN108488758A (en) * | 2018-02-26 | 2018-09-04 | 惠州市华星光电技术有限公司 | A kind of optical diaphragm, backlight module and display device |
| CN111952426A (en) * | 2020-07-21 | 2020-11-17 | 广东广腾达科技有限公司 | Quantum dot light-emitting diode and packaging method thereof |
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