CN108949143A - Embedded photoluminescent material - Google Patents
Embedded photoluminescent material Download PDFInfo
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- CN108949143A CN108949143A CN201710361024.3A CN201710361024A CN108949143A CN 108949143 A CN108949143 A CN 108949143A CN 201710361024 A CN201710361024 A CN 201710361024A CN 108949143 A CN108949143 A CN 108949143A
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- embedded photoluminescent
- photoluminescent material
- fluorescent powder
- light
- core carrier
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7701—Chalogenides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7706—Aluminates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
- C09K11/881—Chalcogenides
- C09K11/883—Chalcogenides with zinc or cadmium
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Luminescent Compositions (AREA)
Abstract
A kind of embedded photoluminescent material comprising: a core carrier；And a phosphor mixture, which is contained in the inside of core carrier, and phosphor mixture includes at least two fluorescent powders.Fluorescent powder in embedded photoluminescent material of the invention is light mixing to be carried out inside core carrier, and can issue a uniform mixed light on embedded photoluminescent material surface.
Description
Technical field
The present invention relates to the luminescence generated by light materials that a kind of embedded photoluminescent material more particularly to a kind of surface are coated with fluorescence coating
Material, when irradiating the fluorescent powder in fluorescence coating with light, the primitive color light that different fluorescent powders are inspired can be in luminescence generated by light material
Expect surface mixing, and issues a mixed light.
Background technique
In recent years, because light emitting diode (LED) has few luminous efficiency height, power consumption, long service life and assembly volume
The advantages that small, is widely used in various light emitting devices, and replaces several lighting apparatus.
However, LED is but dfficult to apply to people's livelihood illumination market, in addition to light emitting diode has heat dissipation, luminance shortage and bright
Outside degree the problems such as successively decreasing, the problem of with more can not directly inspire white light.Therefore, attempt to develop efficiently there are many research
The white light LEDs of rate, to replace existing lighting apparatus.
The white light LEDs of mainstream at present are using the YAG fluorescent powder body of blue LED chip cooperation yellow light, to make
For white light source.Although generating white light with this complementary colours principle, the continuity of its spectral wavelength distribution is not so good as sunlight, and has
The situation of color unevenness, therefore color saturation is lower.Therefore, the white light source generated by this method can only be used to low order light
Source, and cannot be widely applied to people's livelihood illumination market.
In addition, ultraviolet light-emitting diodes chip cooperation feux rouges, green light and blue light three-color phosphor can also be used, lead to
The trichromatic light mixing mechanism of red blue green is crossed, white light can be mixed into.Due to the ultraviolet leds chip excitation intensity and conversion effect used
Rate is higher, therefore the higher white light of intensity can be obtained.
White light is formed using the light mixing mechanism of different colours fluorescent powder at present, being will be containing the glue of different colours fluorescent powder
Body is covered on LED chip, and a white light LEDs can be made in drying and encapsulation procedure.However, because fluorescence used in general
Diameter of particle is larger, and the mixing of a variety of fluorescent powders is uneven, therefore is easy the non-uniform situation of light mixing, is unable to get tool
There are the white light LEDs of required colour temperature and color rendering.In addition, due also to fluorescent powder present it is irregular, will cause fluorescent powder and exist
The uniformity for going out light after excitation reduces.
Therefore, a kind of fluorescent material is needed at present, and particle size is uniform and external form is regular, to promote going out for fluorescent powder
Optical uniformity, and fluorescent material body surface can uniform mixed light to issue white light, and apply on White-light LED illumination.
Summary of the invention
It, can be photic with can be after light source activation the main purpose of the present invention is to provide a kind of embedded photoluminescent material
Luminescent material surface carries out light mixing.
To achieve the above object, embedded photoluminescent material of the invention comprising: a core carrier；And one fluorescent powder it is mixed
Object is closed, which is contained in the inside of core carrier, and phosphor mixture includes at least two fluorescent powders.
Embedded photoluminescent material of the invention is that fluorescent powder is coated on inside core carrier, therefore compared to usual partial size
Irregular fluorescent powder, embedded photoluminescent material entirety uniform particle diameter of the invention, and spherical shell have splendid total reflection
Effect, therefore embedded photoluminescent material of the invention light-emitting uniformity with higher.Also, it is known that mixing there are many fluorescent powder
Colloid, the exciting light that various fluorescent powders are issued is to release on fluorescent powder surface, and obtain a mixed light；But this
Various fluorescent powders in the embedded photoluminescent material of invention, the exciting light that various fluorescent powders are issued are in core carrier
Portion carries out light mixing, then releases on core carrier surface, therefore light mixing effect is more uniform.Furthermore luminescence generated by light material of the invention
Material, can first adjust the colour temperature and color rendering of mixed fluorescent powder body, if by as the fluorescent material of light emitting diode before the synthesis
When, also the generation of light emitting diode waste material can be made to minimize.
In embedded photoluminescent material of the invention, phosphor mixture may also include electronics limitation material.Preferably, this
It is a quantum dot that electronics, which limits to material, such as cadmium selenide-zinc sulphide (CdSe/ZnS) or silicon quantum dot.Preferably, this electronics limits to
Material is cadmium selenide-zinc sulphide.
Here, the electronics limits to material, i.e. quantum dot, fluorescence nano made by semiconductor material is referred to
Grain.The color of these quantum dot light emittings can change with the size of particle, and when particle is smaller, color will more level off to spectrum
Blue end.
In embedded photoluminescent material of the invention, electronics limit to material partial size can between 10nm to 3 μm, and preferably
Ground is between 10nm between 100nm.
In embedded photoluminescent material of the invention, core carrier is preferably ball-type carrier, and the partial size of core carrier can be situated between
Between 350nm to 5 μm.In addition, the material of core carrier is preferably SiOx、TiOx, polystyrene (PS), polymethylacrylic acid
Methyl esters (PMMA) or melamine resin, the range system of X is between 0.5~2.
In embedded photoluminescent material of the invention, the partial size of fluorescent powder can be situated between 10nm to 3 μm, and preferably
In 10nm between 100nm.
In addition, used various fluorescent powders preferably respectively have difference in embedded photoluminescent material of the invention
The fluorescent powder of emission wavelength.The material of fluorescent powder is preferably chosen from by ZnO, ZrO2、PbO、Y2O3、Y2O2、Zn2SiO4、
Y3Al5O12、Y3(AlGa)5O12Y2SiO5、LaOCl、InBO3、ZnGa2O4、ZnS、PbS、CdS、CaS、SrS、ZnxCd1-xS、
Y2O2S、Gd2O2The compound of group composed by S and AlN, and X is between 0.1 to 0.9.
The compound of above-mentioned fluorescent powder material, can also copper doped (Cu), silver (Ag), europium (Eu), ytterbium (Yb), lanthanum
(La), chlorine (Cl), terbium (Tb), aluminium (Al), cerium (Ce), erbium (Er), zinc (Zn), manganese (Mn), other lanthanide series (praseodymiums (Pr), promethium
(Pm), samarium (Sm), holmium (Ho)) and lanthanum actinium series alkaline element composed by group element so that fluorescent powder can have difference
Emission wavelength.
When exciting the light source of embedded photoluminescent material of the invention to be blue light-emitting diode, if phosphor mixture can wrap
Red light fluorescent powder and green light fluorescent powder are included, then can issue white light in the light mixing of embedded photoluminescent material surface.It is of the invention when exciting
When the light source of embedded photoluminescent material is ultraviolet light-emitting diodes, if phosphor mixture includes red light fluorescent powder, green-emitting fluorescent
Powder and blue light fluorescent powder then can issue white light in the light mixing of embedded photoluminescent material surface.
In embedded photoluminescent material of the invention, general hydro-thermal method, sol-gal process, co-precipitation is can be used in fluorescent powder
Method.In addition, the size of core carrier can be controlled by acid-base property and material concentration.Sol-gal process synthesizes SiOxOr TiOxAmorphous
Sphere synthesizes SiO using spray pyrolysisxOr TiOxAmorphous sphere synthesizes PS, PMMA or melamine using no emulsion process
Resin (Melamine) macromolecule sphere.
Embedded photoluminescent material of the invention, it is preferred to use the fluorescent powder of nano-scale, in favor of forming luminescence generated by light
The various fluorescent powder ratios in fluorescent powder solution are adjusted before material, and can ensure that embedded photoluminescent material of the invention has
Scheduled colour temperature and color rendering.In addition, embedded photoluminescent material of the invention also uses CdSe/ZnS quantum dot, because of its absorbable purple
Outside (UV) light and issue positive white light, the white light colour temperature and color rendering of embedded photoluminescent material can be reinforced, and can be applied to ultraviolet light
In light emitting diode.Meanwhile the light emitting diode by mixing a variety of capable of emitting different colours exciting lights, light of the invention can be made
The light mixing spectrum of electroluminescent material is more continuous, and is able to be applied in normal lighting equipment.
Detailed description of the invention
Fig. 1 is the schematic diagram for the embedded photoluminescent material that one embodiment of the invention proposes.
[description of symbols]
10- core carrier；11- phosphor mixture.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.
Embedded photoluminescent material provided by the present invention, as shown in Figure 1.Fig. 1 is the luminescence generated by light of the preferred embodiment of the present invention
The schematic diagram of material, wherein this embedded photoluminescent material includes: a core carrier 10；And a phosphor mixture 11, the fluorescence
Powder mixture 11 is contained in the inside of core carrier 10, and phosphor mixture includes at least two fluorescent powders.
General hydro-thermal method, sol-gal process can be used, made by coprecipitation in nano phosphor powder of the invention；And core
Carrier then synthesizes SiO using general sol-gal processxOr TiOxAmorphous sphere synthesizes SiO using spray pyrolysisxOr
TiOxAmorphous sphere synthesizes PS, PMMA or melamine resin (Melamine) macromolecule sphere using no emulsion process.
Fluorescent powder used in embedded photoluminescent material of the invention can be commonly known various colors fluorescent powder.It connects down
To illustrate the production methods of several nano phosphor powders.However, the production method of nano phosphor powder of the invention and unlimited
In the following example, and fluorescent powder used in embedded photoluminescent material of the invention can be generally to be usually used in light emitting diode
Fluorescent powder, the preferably fluorescent powder of nano-scale.
Synthesize YAG:Ce3+Nano phosphor powder
By four hydrations acetic acid yttrium (Yttrium acetate tetrahydrate) of 2.5014g, the cerous acetate of 0.0251g
The aluminium isopropoxide (Aluminium isopropoxide) of hydrate (Cerium acetate hydrate), 2.553g, and
The 1,4-butanediol (Isosorbide-5-Nitrae-butanediol) of 63.6ml, is placed in the autoclave of 120ml, is slowly heated solution extremely under stiring
300 DEG C, and maintain this temperature 2 hours.Then, by this solution (YAG:Ce3+1,4-butanediol solution) be cooled to room temperature, and it is quiet
One week is set with deposit clumps.
By the YAG:Ce of 5ml3+/ 1,4-butanediol solution adds in pure water, and the 3- aminopropyl trimethoxy of 150 μ L is added
Silane (3-Aminopropyltri-methoxysilane, APTMS) stirs 2 hours, then is centrifuged and removes APTMS, to be made
YAG:Ce3+Aqueous solution.Then, by the YAG:Ce of 5 μ L3+Aqueous solution and the PS solution of 50 μ L add in pure water, at 40~50 DEG C
Stirring 3~5 hours.After centrifugation, filtering, drying, YAG:Ce can be made3+Nano phosphor powder, partial size are about 10~15nm.
Synthesize Y2O3: Er3+, Yb3+Nano phosphor powder
Respectively by Y2O3、Er2O3And Yb2O3It is configured to the nitrate solution of 1M.Then, by the Y (NO of 2.45ml3)3Solution,
Er (the NO of 0.025ml3)3Yb (the NO of solution and 0.025ml3)3Solution mixing, and the sodium acetate (CH of 2.05g is added3COONa)
And the ethylene glycol (ethylene glycol) of 43.75ml, it stirs 3 hours.Then, above-mentioned mixed solution is placed in the height of 60ml
180 DEG C are heated in pressure kettle, and maintains this temperature 24 hours.After being cooled to room temperature, it is centrifuged this mixed solution for several times, then dry.
Then, 900 DEG C are heated to using Muffle furnace (Muffle furnace), and maintained 4 hours, Y can be made2O3: Er3+, Yb3+Nanometer
Fluorescent powder, partial size are about 10~15nm.
Synthesize Y2O3: Eu3+Nano phosphor powder
By the yttrium oxide (YCl of 200ml3) aqueous solution (0.0184M) and 200ml Europium chloride (EuCl3) aqueous solution
(0.0016M) is mixed 10 minutes, adds the urea (urea) of 0.15ML.Then, said mixture is heated to 87 DEG C,
And maintain this temperature 1 hour.Then, after this mixture of centrifugal filtration, 85 DEG C are heated to, and maintains this temperature 12 hours.Finally,
1050 DEG C are warming up to from 750 DEG C 4 hours, this mixture sintering is blocking, Y can be made2O3: Eu3+Nano phosphor powder, grain
Diameter is about 10~15nm.
Embodiment 1
Y is mixed with firstly, preparing2O3: La3+, YAG:La3+And the fluorescent powder mixing of CdSe/ZnS quantum dot is water-soluble
Liquid, wherein Y2O3: La3+Capable of emitting yellow light, YAG:La after blue light-emitting diode irradiates3+It is irradiated through blue light-emitting diode
Capable of emitting yellow light and CdSe/ZnS quantum dot can absorb UV light to issue positive white light afterwards.After being detected using integrating sphere, adjust each
The ratio of fluorescent powder can obtain the fluorescent powder mixed solution with predetermined colour temperature and color rendering.In the present embodiment, gained
Fluorescent powder mixed solution after blue light-emitting diode irradiates, issue white light (colour temperature=5500K).
Then, by ammonium hydroxide (NH4OH), ethyl alcohol and water mixing, and stir 5 minutes.Then, tetraethyl orthosilicate is added
(TEOS) it is used as initiator, and is stirred 4 hours at a constant temperature.In SiO2When core carrier will agglomerate molding, by above-mentioned configuration
Fluorescent powder mixed aqueous solution add in reaction solution, can synthesize include phosphor mixture SiO2Core carrier.It connects
, by synthesis include phosphor mixture SiO2Core carrier is centrifuged for several times, obtains a sediment.Through dry and calcination
Afterwards, can be made include phosphor mixture SiO2Core carrier, partial size about 500nm.
Therefore, the embedded photoluminescent material of the present embodiment includes: a core carrier；And one be contained in inside core carrier
Phosphor mixture.Wherein, phosphor mixture includes the Y of capable of emitting yellow light2O3: La3+Fluorescent powder, capable of emitting yellow light
YAG:La3+The CdSe/ZnS quantum dot of fluorescent powder and capable of emitting positive white light.Pass through the ratio of the various fluorescent powders of appropriate adjustment
Example, the embedded photoluminescent material of the present embodiment can carry out light mixing on embedded photoluminescent material surface after blue light-emitting diode irradiates,
Issue the white light that colour temperature is 5500K.
Embodiment 2
Firstly, preparing Y2O3: Eu3+、Y2O3: Yb3+、Y2O3: Ce3+And YAG:Ce3+Fluorescent powder mixed aqueous solution,
In, Y2O3: Eu3+Capable of emitting feux rouges, Y after blue light-emitting diode irradiates2O3: Yb3+Capable of emitting green light, Y2O3: Ce3+It is capable of emitting
Blue light and YAG:Ce3+Capable of emitting yellow light.After integrated ball detection, the ratio of each fluorescent powder is adjusted, can obtain having predetermined
The fluorescent powder mixed solution of colour temperature and color rendering.In the present embodiment, obtained fluorescent powder mixed solution is sent out through blue light
After optical diode irradiation, capable of emitting white light (colour temperature=5500K).
Then, by ammonium hydroxide (NH4OH), ethyl alcohol and water mixing, and stir 5 minutes.Then, TEOS is added as initiator,
And it stirs 4 hours at a constant temperature.In SiO2When core carrier will agglomerate molding, the fluorescent powder of above-mentioned configuration is mixed water-soluble
Liquid adds in reaction solution, then can synthesize include phosphor mixture SiO2Core carrier.Then, include by synthesis
The SiO of phosphor mixture2Core carrier is centrifuged for several times, obtains a sediment.After drying and calcination, it includes glimmering for being made
The SiO of light powder mixture2Core carrier, partial size about 300nm.
Therefore, the embedded photoluminescent material of the present embodiment includes: a core carrier；And one be contained in inside core carrier
Phosphor mixture.Wherein, phosphor mixture includes the Y of capable of emitting feux rouges2O3: Eu3+Fluorescent powder, capable of emitting green light
Y2O3: Yb3+The Y of fluorescent powder, capable of emitting blue light2O3: Ce3+The YAG:Ce of fluorescent powder and capable of emitting yellow light3+Fluorescent powder
Body.By the ratio of the various fluorescent powders of appropriate adjustment, the embedded photoluminescent material of the present embodiment is irradiated through blue light-emitting diode
Afterwards, light mixing can be carried out on embedded photoluminescent material surface, issues white light.
In conclusion the present invention is by the way that mixed fluorescent powder to be coated on inside core carrier, be made have it is uniform
The embedded photoluminescent material of partial size and regular external form.There is splendid total reflection effect by the way that the rule of core carrier is spherical, with
Promote the light-emitting uniformity of fluorescent powder.Meanwhile capable of emitting predetermined colour temperature more is prepared by adjusting the ratio of fluorescent powder in advance
And the fluorescent powder mixed solution of color rendering, if therefore embedded photoluminescent material of the invention can be mentioned using on a light emitting diode
Rise the product qualification rate of light emitting diode.In addition, the fluorescent powder of embedded photoluminescent material internal mix of the invention, swashs through light source
It is to carry out light mixing inside embedded photoluminescent material after hair, is then come out in core carrier surface excitation.Therefore, compared to fluorescence
Powder complex colloid, the mixed light issued after embedded photoluminescent material excitation of the invention are more uniform.Furthermore light of the invention
Electroluminescent material, which also passes through, mixes a variety of fluorescent powders with different radiation wavelength, and more continuous mixed spectra can be obtained,
Natural light is more nearly to issue.Therefore, if embedded photoluminescent material of the invention is applied to luminous the two of tool high-luminous-efficiency
Pole pipe then may replace traditional lighting apparatus, and reach energy-efficient purpose.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in protection of the invention
Within the scope of.
Claims (13)
1. a kind of embedded photoluminescent material, comprising:
One core carrier；And
One phosphor mixture, it includes in the inside of the core carrier, and the phosphor mixture includes at least two
Fluorescent powder.
2. embedded photoluminescent material as described in claim 1, wherein the phosphor mixture further includes electronics limitation material
Material.
3. embedded photoluminescent material as claimed in claim 2, wherein the electronics limitation material is a quantum dot.
4. embedded photoluminescent material as claimed in claim 2, wherein the electronics limitation material is cadmium selenide-zinc sulphide.
5. embedded photoluminescent material as claimed in claim 2, wherein the partial size of electronics limitation material between 10nm extremely
Between 100nm.
6. embedded photoluminescent material as described in claim 1, wherein the core carrier is ball-type.
7. embedded photoluminescent material as claimed in claim 2, wherein at least two fluorescent powder is that respectively have different hairs
The fluorescent powder of optical wavelength.
8. embedded photoluminescent material as described in claim 1, wherein the material of the fluorescent powder is selected from by ZnO, ZrO2、PbO、
Y2O3、Y2O2、Zn2SiO4、Y3Al5O12、Y3(AlGa)5O12Y2SiO5、LaOCl、InBO3、ZnGa2O4、ZnS、PbS、CdS、CaS、
SrS、ZnxCd1-xS、Y2O2S、Gd2O2The compound of group composed by S and AlN, and X is between 0.1 to 0.9.
9. embedded photoluminescent material as claimed in claim 8, wherein the compound be adulterate at least one selected from by copper, silver,
The element of group composed by europium, ytterbium, lanthanum, chlorine, terbium, aluminium, cerium, erbium, zinc, manganese, praseodymium, promethium, samarium and holmium.
10. embedded photoluminescent material as described in claim 1, wherein the material of the core carrier includes SiOx、TiOx, polyphenyl
Ethylene, polymethyl methacrylate or melamine resin, wherein the range of X is between 0.5~2.
11. embedded photoluminescent material as described in claim 1, wherein the partial size of the core carrier between 350nm to 5 μm it
Between.
12. embedded photoluminescent material as described in claim 1, wherein the partial size of the fluorescent powder between 10nm to 3 μm it
Between.
13. embedded photoluminescent material as described in claim 1, wherein the partial size of the fluorescent powder between 10nm to 100nm it
Between.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113429966A (en) * | 2021-06-16 | 2021-09-24 | 东北大学 | Early metal corrosion probe and preparation method thereof |
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| CN1812092A (en) * | 2004-12-10 | 2006-08-02 | 安捷伦科技有限公司 | Flash module with quantum dot light conversion |
| CN102816563A (en) * | 2012-08-29 | 2012-12-12 | 上海交通大学 | Preparation method and application of adjustable-refractivity silicon dioxide coated quantum dot nano composite luminescent material |
| CN103013491A (en) * | 2012-12-20 | 2013-04-03 | 杭州纳晶科技有限公司 | Silica gel fitting and fabrication method thereof, and LED lamp provided with silica gel fitting |
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| CN1812092A (en) * | 2004-12-10 | 2006-08-02 | 安捷伦科技有限公司 | Flash module with quantum dot light conversion |
| CN102816563A (en) * | 2012-08-29 | 2012-12-12 | 上海交通大学 | Preparation method and application of adjustable-refractivity silicon dioxide coated quantum dot nano composite luminescent material |
| CN103013491A (en) * | 2012-12-20 | 2013-04-03 | 杭州纳晶科技有限公司 | Silica gel fitting and fabrication method thereof, and LED lamp provided with silica gel fitting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113429966A (en) * | 2021-06-16 | 2021-09-24 | 东北大学 | Early metal corrosion probe and preparation method thereof |
| CN113429966B (en) * | 2021-06-16 | 2022-04-26 | 东北大学 | Early metal corrosion probe and preparation method thereof |
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