CN106543942A - A kind of white light LEDs are with arogel and preparation method thereof - Google Patents
A kind of white light LEDs are with arogel and preparation method thereof Download PDFInfo
- Publication number
- CN106543942A CN106543942A CN201610904542.0A CN201610904542A CN106543942A CN 106543942 A CN106543942 A CN 106543942A CN 201610904542 A CN201610904542 A CN 201610904542A CN 106543942 A CN106543942 A CN 106543942A
- Authority
- CN
- China
- Prior art keywords
- component
- somebody
- arogel
- white light
- epoxy resin
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of white light LEDs match somebody with somebody arogel, which is made up of the component of following weight portion：The YAG yellow fluorescent powders of 10 ~ 20 parts of pretreatment, 1 ~ 3 part of terpene resin, 0.3 ~ 0.5 part of modified micaceous powder, 80 ~ 100 parts of bi-component A/B epoxy resin, wherein component A epoxy resin is WL 700A 2T, B component epoxy resin is WL 700B 2T, and component A epoxy resin is 1 with the mass ratio of B component epoxy resin：1.The white light LEDs of the present invention match somebody with somebody the reasonable science of arogel compatibility, and low cost, fluorescent material dispersibility are good with temperature stability, and the distributional difference in glue is little, are conducive to improving middle low power zone concentration degree and LED service lifes.The invention also discloses a kind of white light LEDs match somebody with somebody arogel preparation method, processing step is simple, low for equipment requirements, workable.
Description
Technical field
The present invention relates to white-light LED encapsulation technical field, matches somebody with somebody arogel and its preparation side more particularly, to a kind of white light LEDs
Method.
Background technology
Commercialization white light LEDs are mainly by the yttroalumite pomegranate with reference to InGaN base blue-ray LED chips and cerium dopping at present
Stone YAG fluorescent powder is realizing.Concrete grammar is：Fluorescent material is evenly mixed in into transparent epoxy resin first（As carrier）
In make with arogel, then will be coated on LED chips with arogel, the blue light components of LED chip emissions are absorbed by fluorescent material
And gold-tinted is converted to, remaining blue light is then combined so as to obtain white light into epoxy resin with gold-tinted.
But, the radiating of current epoxy resin and heat resistance are poor, easily discoloration failure, reduce the amount of light of LED,
So as to cause the reduction of luminous flux and the drift of colour temperature, in addition, fluorescent material YAG is difficult to disperse in resin glue, easily occur
Reunite, and sedimentation easily occurs during glue curing, the fluorescent material skewness caused because of sedimentation is to white light LEDs zone collection
Moderate has a significant impact, while current fluorescent material temperature influence, than more serious, when radiating condition is bad, fluorescent material more holds
Easily light decay is aging.Therefore, how improving the dispersibility and temperature stability of fluorescent material, to become many encapsulation enterprises urgently to be resolved hurrily
Problem, becomes one of the key technology in raising white light LEDs life-span.
The content of the invention
The present invention be in order to solve the LED of prior art with arogel radiate and heat resistance it is poor, and fluorescent material point
The problem of scattered property and temperature stability difference, there is provided a kind of reasonable science of compatibility, low cost, fluorescent material dispersibility and temperature stabilization
Property it is good, the distributional difference in glue is little, is conducive to improving the white light of middle low power zone concentration degree and LED service lifes
LED matches somebody with somebody arogel.
Present invention also offers a kind of white light LEDs match somebody with somebody arogel preparation method, processing step is simple, low for equipment requirements, can
Strong operability.
To achieve these goals, the present invention is employed the following technical solutions：
A kind of white light LEDs of the present invention match somebody with somebody arogel, and which is made up of the component of following weight portion：The YAG yellow of 10 ~ 20 parts of pretreatment
Fluorescent material, 1 ~ 3 part of terpene resin, 0.3 ~ 0.5 part of modified micaceous powder, wherein 80 ~ 100 parts of bi-component A/B epoxy resin, component A
Epoxy resin is WL-700A-2T, and B component epoxy resin is WL-700B-2T, component A epoxy resin and B component epoxy resin
Mass ratio is 1：1.The present invention is optimized improvement to the formula with arogel, using bi-component A/B epoxy resin as carrier,
Which has the huge advantage that need not be queried in light transmission and cost, but which shows slightly not enough at the aspect such as anti-UV, heat-resisting, is solution
The problem, adds terpene resin in the present invention, terpene resin can be perfect compatible with bi-component A/B epoxy resin, can not only change
Light transmission, non-oxidizability and heat stability after kind A/B epoxy resin cures, and the viscous of whole system of the present invention can also be improved
Degree and stability, effectively suppress YAG yellow fluorescent powders that sedimentation occurs during glue curing, and reduction fluorescent material is in glue
Distributional difference, so as to be conducive to improving middle low power zone concentration degree, while terpene resin can suppress the generation of bubble；This
The YAG yellow fluorescent powders of bright employing pretreatment, pretreated YAG yellow fluorescent powders have excellent heat stability, the group of being difficult
It is poly-, the good dispersion in glue；Modified micaceous powder insulating properties is good with dispersive property, and with excellent heat dispersion, can be big
Improve greatly radiating and the heat resistance of glue, can improve and cause luminous flux to reduce and colour temperature because of the discoloration failure of A/B epoxy resin
The problem of drift.
Preferably, the YAG yellow fluorescent powders of the pretreatment are obtained by the following method：
（1）YAG yellow fluorescent powders are uniformly dispersed in alkali liquor, centrifugation after 12 ~ 18h of immersion, then are washed to
, in neutrality, sucking filtration, drying are stand-by for clear liquid.YAG yellow fluorescent powders adopt dipping by lye, remove the impurity that its surface may remain,
Increase its surface activity so as to be more prone to adsorb clad, soak time is longer, to the more abundant of phosphor surface activation,
Impurity removal effect is better, but, after being dipped to 18h, light-emitting phosphor intensity declines, it may be possible to due to long soaking time,
Alkali liquor is damaged to phosphor surface so as to which surface produces defect, is affected light-emitting phosphor effect, therefore is controlled in the present invention
Soak time is 12 ~ 18h.
（2）By magnesium oxide and YAG yellow fluorescent powder mass ratioes（5~10）：100 proportioning, measures the desired amount of magnesium nitrate,
Magnesium nitrate is dissolved in into water and is configured to the magnesium nitrate solution that concentration is 0.5 ~ 0.6mol/L.Addition of the present invention by restriction magnesium nitrate
Measure and concentration is to control to coat thicknesses of layers and effect, on the one hand, fluorescent powder grain surface oxidation magnesium clad is opaque coating
Layer, if film layer is blocked up, is decreased obviously can the luminous intensity of fluorescent material；On the other hand, if film layer is excessively thin, fluorescent material can be made
The anti-light ability of declining decline, and magnesium nitrate solution excessive concentration is difficult for oxidation magaldrate to be uniformly deposited in fluorescent material
Surface, magnesium nitrate solution concentration are too low, are difficult again to form magnesium oxide hydrate in phosphor surface, therefore, the present invention needs basis
YAG yellow fluorescent powders quality strictly controls magnesium nitrate addition and magnesium nitrate solution concentration.
（3）YAG yellow fluorescent powders are added in being sodium diacetate solution of 4 ~ 6, concentration for 0.5 ~ 0.6mol/L to pH value,
Ultrasonic disperse, obtains suspension.Suspended liquid system pH is controlled only 4 ~ 6, the magnesium ion in ability guarantee system can be deposited on
Fluorescent powder grain surface formed magnesium oxide hydrate, sodium diacetate solution due to there is common-ion effect in system, with certain
Antiacid, alkali resistant and anti-diluting effect, stablizing for whole system pH can be maintained, substantially change will not occur.
（4）Magnesium nitrate solution is gradually dropped in suspension liquid, stirring 1 ~ 2h after, Jing precipitations, centrifugation, washing,
After dehydration, drying, 2 ~ 4h is calcined under the conditions of 300 ~ 400 DEG C, is crushed after cooling, is obtained final product the YAG yellow fluorescent powders of pretreatment.
Preferably, step（1）In, sodium hydroxide solution or potassium hydroxide of the alkali liquor for mass percentage concentration 5 ~ 6%
Solution.
Preferably, step（4）In, the YAG yellow fluorescent powders particle diameter of the pretreatment is 5 ~ 10 μm.
Preferably, the modified micaceous powder is obtained by the following method：Titanate coupling agent NDZ-01 is matched somebody with somebody with ethanol
The surface conditioning agent that mass percent concentration is 40 ~ 50% is made, mica powder is heated to into 80 ~ 90 DEG C of 20 ~ 30min of preheating, is being stirred
Mix under state, by titanate coupling agent NDZ-01 additions for mica powder quality 0.5 ~ 0.8% benchmark, by surface conditioning agent with
Vaporific to apply to mica powder surface, after being stirred continuously 30 ~ 60min, cooling obtains final product modified micaceous powder.By titanate coupling agent
Mica powder is modified, is keeping, in the original performance basis of mica powder, improving its performance compatible with resin and dispersive property
。
Preferably, the modified micaceous powder footpath is 5 ~ 10 μm.
A kind of white light LEDs match somebody with somebody arogel preparation method, concretely comprise the following steps：After by stoichiometry each component, first by pretreatment
After YAG yellow fluorescent powders, terpene resin, modified micaceous powder stir in component A epoxy resin being added after mixing, add B
Component epoxy stirs, and obtains final product white light LEDs with arogel.It is obtained by simple mixture, processing step is simple, to setting
It is low for requiring, it is workable.
Therefore, the present invention has the advantages that：
（1）Improvement is optimized to the formula with arogel, using bi-component A/B epoxy resin as carrier, terpenes is with the addition of
Resin and modified micaceous powder, are mutually cooperateed with by each component, and in colloid, fluorescent material dispersibility is good with temperature stability, distributional difference
Property it is little, and glue radiating and heat resistance be greatly improved, solve because A/B epoxy resin discoloration failure cause light lead to
Amount is reduced and color temperature shift and the fluorescent material skewness shadow caused because fluorescent material occurs to settle during glue curing
Ring the problem of white light LEDs zone concentration degree；
（2）The YAG yellow fluorescence powder preparation techniques of pretreatment are disclosed, makes one layer of fluorescent powder grain surface formation water-fast
Inorganic film and external environment isolation, efficiently reduce impact of the external environment to fluorescent material, improve the temperature of yellow fluorescent powder
Stability, the light decay for slowing down fluorescent material are aging, increase the service life；
（3）Magnesium oxide be have selected as coating substance, the phenomenon that fluorescent powder grain is easily reunited can be improved, its dispersibility is improved, and
With good chemical stability and excellent heat stability, to ensure to the exciting light in the range of the phosphor wavelength and send out
The radiation of light is penetrated with good permeability；
（4）Preparation method, processing step are simple, low for equipment requirements, workable.
Specific embodiment
Below by specific embodiment, the present invention will be further described.
Embodiment 1
（One）Prepare the YAG yellow fluorescent powders of pretreatment
（1）YAG yellow fluorescent powders are uniformly dispersed in into alkali liquor（The sodium hydroxide solution of mass percentage concentration 5%）In, immersion
Centrifugation after 12h, then supernatant is washed in neutrality, sucking filtration, drying are stand-by；
（2）By magnesium oxide and YAG yellow fluorescent powders mass ratio 5：100 proportioning, measures the desired amount of magnesium nitrate, and magnesium nitrate is molten
The magnesium nitrate solution that concentration is 0.5mol/L is configured in water；
（3）YAG yellow fluorescent powders are added in being the sodium diacetate solution that 4, concentration is 0.5mol/L to pH value, ultrasonic disperse,
Obtain suspension；
（4）Magnesium nitrate solution is gradually dropped in suspension liquid, it is after stirring 1h, Jing precipitations, centrifugation, washing, dehydration, dry
After dry, 2h is calcined under the conditions of 300 DEG C, crush after cooling, obtain final product the YAG yellow fluorescent powders of the pretreatment that particle diameter is 5 μm, treat
With；
（Two）Prepare modified micaceous powder
Titanate coupling agent NDZ-01 ethanol is configured to into the surface conditioning agent that mass percent concentration is 40%, by mica powder
80 DEG C of preheating 20min are heated to, under stirring, are mica powder quality 0.5% by titanate coupling agent NDZ-01 additions
Benchmark, surface conditioning agent is applied to mica powder surface, after being stirred continuously 30min with vaporific, cooling, and it is 5 μm to obtain final product particle diameter
Modified micaceous powder, it is stand-by；
（Three）With glue
By the YAG yellow fluorescent powders of 10Kg pretreatment, 1Kg terpene resins, the modified micaceous powder of 0.3Kg, 80Kg bi-component A/B epoxies
Resin（Purchased from Peng Nuohuili electronic materials（Xiamen）Company limited, component A epoxy resin be WL-700A-2T, B component asphalt mixtures modified by epoxy resin
Fat is WL-700B-2T, and component A epoxy resin is 1 with the mass ratio of B component epoxy resin：1）Weight proportion metering each component
Afterwards, first will add in component A epoxy resin after the YAG yellow fluorescent powders of pretreatment, terpene resin, the mixing of modified micaceous powder and stir
After uniform, add B component epoxy resin and stir, white light LEDs are obtained final product with arogel.
Embodiment 2
（One）Prepare the YAG yellow fluorescent powders of pretreatment
（1）YAG yellow fluorescent powders are uniformly dispersed in into alkali liquor（The sodium hydroxide solution of mass percentage concentration ~ %）In, immersion
Centrifugation after 18h, then supernatant is washed in neutrality, sucking filtration, drying are stand-by；
（2）By magnesium oxide and YAG yellow fluorescent powders mass ratio 10：100 proportioning, measures the desired amount of magnesium nitrate, by magnesium nitrate
It is dissolved in water and is configured to the magnesium nitrate solution that concentration is 0.6mol/L；
（3）YAG yellow fluorescent powders are added in being the sodium diacetate solution that 6, concentration is 0.6mol/L to pH value, ultrasonic disperse,
Obtain suspension；
（4）Magnesium nitrate solution is gradually dropped in suspension liquid, it is after stirring 2h, Jing precipitations, centrifugation, washing, dehydration, dry
After dry, 4h is calcined under the conditions of 400 DEG C, crush after cooling, obtain final product the YAG yellow fluorescent powders of the pretreatment that particle diameter is 10 μm, treat
With；
（Two）Prepare modified micaceous powder
Titanate coupling agent NDZ-01 ethanol is configured to into the surface conditioning agent that mass percent concentration is 40 ~ 50%, by Muscovitum
Powder is heated to 90 DEG C of preheating 30min, under stirring, is mica powder quality 0.8% by titanate coupling agent NDZ-01 additions
Benchmark, surface conditioning agent is applied to mica powder surface, after being stirred continuously 60min with vaporific, is cooled down, obtain final product particle diameter for 10 μm
Modified micaceous powder, it is stand-by；
（Three）With glue
By the YAG yellow fluorescent powders of 20Kg pretreatment, 3Kg terpene resins, the modified micaceous powder of 0.5Kg, 100Kg bi-component A/B rings
Oxygen tree fat（Purchased from Peng Nuohuili electronic materials（Xiamen）Company limited, component A epoxy resin be WL-700A-2T, B component epoxy
Resin is WL-700B-2T, and component A epoxy resin is 1 with the mass ratio of B component epoxy resin：1）Weight proportion metering each group
After point, first will add after the YAG yellow fluorescent powders of pretreatment, terpene resin, the mixing of modified micaceous powder and stir in component A epoxy resin
After mixing uniformly, add B component epoxy resin and stir, white light LEDs are obtained final product with arogel.
Embodiment 3
（One）Prepare the YAG yellow fluorescent powders of pretreatment
（1）YAG yellow fluorescent powders are uniformly dispersed in into alkali liquor（The potassium hydroxide solution of mass percentage concentration 5.5%）In, immersion
Centrifugation after 15h, then supernatant is washed in neutrality, sucking filtration, drying are stand-by；
（2）By magnesium oxide and YAG yellow fluorescent powders mass ratio 8：100 proportioning, measures the desired amount of magnesium nitrate, and magnesium nitrate is molten
The magnesium nitrate solution that concentration is 0.55mol/L is configured in water；
（3）YAG yellow fluorescent powders are added in being the sodium diacetate solution that 5, concentration is 0.55mol/L to pH value, ultrasonic disperse,
Obtain suspension；
（4）Magnesium nitrate solution is gradually dropped in suspension liquid, stirring 1.2h after, Jing precipitations, centrifugation, washing, dehydration,
After drying, 3h is calcined under the conditions of 350 DEG C, crush after cooling, obtain final product the YAG yellow fluorescent powders of the pretreatment that particle diameter is 8 μm, treat
With；
（Two）Prepare modified micaceous powder
Titanate coupling agent NDZ-01 ethanol is configured to into the surface conditioning agent that mass percent concentration is 45%, by mica powder
85 DEG C of preheating 25min are heated to, under stirring, are mica powder quality 0.7% by titanate coupling agent NDZ-01 additions
Benchmark, surface conditioning agent is applied to mica powder surface, after being stirred continuously 40h with vaporific, cooling, is obtained final product particle diameter and is 8 μm and changes
Property mica powder, it is stand-by；
（Three）With glue
By the YAG yellow fluorescent powders of 15Kg pretreatment, 2Kg terpene resins, the modified micaceous powder of 0.4Kg, 90Kg bi-component A/B epoxies
Resin（Purchased from Peng Nuohuili electronic materials（Xiamen）Company limited, component A epoxy resin be WL-700A-2T, B component asphalt mixtures modified by epoxy resin
Fat is WL-700B-2T, and component A epoxy resin is 1 with the mass ratio of B component epoxy resin：1）Weight proportion metering each component
Afterwards, first will add in component A epoxy resin after the YAG yellow fluorescent powders of pretreatment, terpene resin, the mixing of modified micaceous powder and stir
After uniform, add B component epoxy resin and stir, white light LEDs are obtained final product with arogel.
By the prepared white light LEDs of the present invention, with arogel, viscosity is 3350cp or so at room temperature, and density is 1.2g/cm3It is left
The right side, the YAG yellow fluorescent powders of pretreatment are at high temperature（65 DEG C, 30mA）The anti-light ability of declining compares untreated YAG yellow fluorescences
Powder can improve 20% or so, encapsulate to form white light LEDs with blue-light LED chip, and its colour temperature Tc is 6700K, and light efficiency is 35.57m/
W, can fully meet the use requirement of white light LEDs product.
Embodiment described above is one kind preferably scheme of the present invention, not the present invention is made any pro forma
Limit, also have other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (7)
1. a kind of white light LEDs match somebody with somebody arogel, it is characterised in which is made up of the component of following weight portion：10 ~ 20 parts of pretreatment
YAG yellow fluorescent powders, 1 ~ 3 part of terpene resin, 0.3 ~ 0.5 part of modified micaceous powder, 80 ~ 100 parts of bi-component A/B epoxy resin, its
Middle component A epoxy resin is WL-700A-2T, and B component epoxy resin is WL-700B-2T, component A epoxy resin and B component ring
The mass ratio of oxygen tree fat is 1：1.
2. a kind of white light LEDs according to claim 1 match somebody with somebody arogel, it is characterised in that the YAG yellow fluorescences of the pretreatment
Powder is obtained by the following method：
（1）YAG yellow fluorescent powders are uniformly dispersed in alkali liquor, centrifugation after 12 ~ 18h of immersion, then are washed to
, in neutrality, sucking filtration, drying are stand-by for clear liquid；
（2）By magnesium oxide and YAG yellow fluorescent powder mass ratioes（5~10）：100 proportioning, measures the desired amount of magnesium nitrate, by nitre
Sour magnesium is dissolved in water and is configured to the magnesium nitrate solution that concentration is 0.5 ~ 0.6mol/L；
（3）YAG yellow fluorescent powders are added in being sodium diacetate solution of 4 ~ 6, concentration for 0.5 ~ 0.6mol/L to pH value, ultrasound
Dispersion, obtains suspension；
（4）Magnesium nitrate solution is gradually dropped in suspension liquid, stirring 1 ~ 2h after, Jing precipitations, centrifugation, washing, dehydration,
After drying, 2 ~ 4h is calcined under the conditions of 300 ~ 400 DEG C, is crushed after cooling, is obtained final product the YAG yellow fluorescent powders of pretreatment.
3. a kind of white light LEDs according to claim 1 match somebody with somebody arogel, it is characterised in that step（1）In, the alkali liquor is matter
The sodium hydroxide solution or potassium hydroxide solution of amount percentage concentration 5 ~ 6%.
4. a kind of white light LEDs according to claim 1 match somebody with somebody arogel, it is characterised in that step（4）In, the pretreatment
YAG yellow fluorescent powders particle diameter is 5 ~ 10 μm.
5. a kind of white light LEDs according to claim 1 match somebody with somebody arogel, it is characterised in that the modified micaceous powder is by following
Method is obtained：Titanate coupling agent NDZ-01 ethanol is configured to into the surface conditioning agent that mass percent concentration is 40 ~ 50%,
Mica powder is heated to into 80 ~ 90 DEG C of 20 ~ 30min of preheating, under stirring, is cloud by titanate coupling agent NDZ-01 additions
The benchmark of female powder quality 0.5 ~ 0.8%, surface conditioning agent is applied to mica powder surface, after being stirred continuously 30 ~ 60min with vaporific,
Cooling, obtains final product modified micaceous powder.
6. a kind of white light LEDs according to claim 5 match somebody with somebody arogel, it is characterised in that the modified micaceous powder footpath be 5 ~
10μm。
7. a kind of white light LEDs as claimed in claim 1 match somebody with somebody arogel preparation method, it is characterised in that concretely comprise the following steps：By proportioning
After metering each component, first component A epoxy will be added after the YAG yellow fluorescent powders of pretreatment, terpene resin, the mixing of modified micaceous powder
After stirring in resin, add B component epoxy resin and stir, white light LEDs are obtained final product with arogel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904542.0A CN106543942A (en) | 2016-10-18 | 2016-10-18 | A kind of white light LEDs are with arogel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904542.0A CN106543942A (en) | 2016-10-18 | 2016-10-18 | A kind of white light LEDs are with arogel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106543942A true CN106543942A (en) | 2017-03-29 |
Family
ID=58369134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610904542.0A Pending CN106543942A (en) | 2016-10-18 | 2016-10-18 | A kind of white light LEDs are with arogel and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106543942A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716618A (en) * | 2018-04-19 | 2018-10-30 | 深圳市丰功文化传播有限公司 | A kind of fluorescent glue and its LEDbulb lamp of LED light-emitting sections |
| CN110425436A (en) * | 2019-01-22 | 2019-11-08 | 杭州新湖电子有限公司 | LED composite light source device and method |
| CN111019579A (en) * | 2019-12-26 | 2020-04-17 | 苏州晶台光电有限公司 | Thermochromic packaging adhesive and preparation method and application thereof |
| CN112608735A (en) * | 2020-12-30 | 2021-04-06 | 温州大学 | CsPbX3Preparation method and application of @ mica composite material |
| CN114940898A (en) * | 2021-02-17 | 2022-08-26 | 歆炽电气技术股份有限公司 | Light conversion composite material and method for manufacturing light conversion composite material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664051A (en) * | 2005-02-25 | 2005-09-07 | 东南大学 | Magnesia coated fluorescent powder and its coating method |
| CN104017558A (en) * | 2014-04-14 | 2014-09-03 | 江苏嘉娜泰有机硅有限公司 | Method for improving sedimentation performance of fluorescent powder for LED (Light Emitting Diode) packaging |
| CN104017526A (en) * | 2014-05-29 | 2014-09-03 | 绍兴光彩显示技术有限公司 | Fluorescent-powder dispensing glue for white-light SMD nixie tube and application method thereof |
| CN105400470A (en) * | 2015-12-01 | 2016-03-16 | 杭州新湖电子有限公司 | Packaging adhesive for LED white-light nixie tube and preparation method of packaging adhesive |
-
2016
- 2016-10-18 CN CN201610904542.0A patent/CN106543942A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664051A (en) * | 2005-02-25 | 2005-09-07 | 东南大学 | Magnesia coated fluorescent powder and its coating method |
| CN104017558A (en) * | 2014-04-14 | 2014-09-03 | 江苏嘉娜泰有机硅有限公司 | Method for improving sedimentation performance of fluorescent powder for LED (Light Emitting Diode) packaging |
| CN104017526A (en) * | 2014-05-29 | 2014-09-03 | 绍兴光彩显示技术有限公司 | Fluorescent-powder dispensing glue for white-light SMD nixie tube and application method thereof |
| CN105400470A (en) * | 2015-12-01 | 2016-03-16 | 杭州新湖电子有限公司 | Packaging adhesive for LED white-light nixie tube and preparation method of packaging adhesive |
Non-Patent Citations (3)
| Title |
|---|
| 李子东 等: "《现代胶粘技术手册》", 31 January 2002, 新时代出版社 * |
| 王建清: "《包装材料学》", 31 January 2009, 中国轻工业出版社 * |
| 王锦高: "《半导体照明LED白光荧光粉论文集(2005-2012)》", 31 January 2013, 厦门大学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716618A (en) * | 2018-04-19 | 2018-10-30 | 深圳市丰功文化传播有限公司 | A kind of fluorescent glue and its LEDbulb lamp of LED light-emitting sections |
| US10989402B2 (en) | 2018-04-19 | 2021-04-27 | Shenzhen Fenggong Culture Communication Co., Ltd. | Fluorescent glue for LED lighting bar and LED bulb lamp using the LED lighting bar |
| CN110425436A (en) * | 2019-01-22 | 2019-11-08 | 杭州新湖电子有限公司 | LED composite light source device and method |
| CN111019579A (en) * | 2019-12-26 | 2020-04-17 | 苏州晶台光电有限公司 | Thermochromic packaging adhesive and preparation method and application thereof |
| CN112608735A (en) * | 2020-12-30 | 2021-04-06 | 温州大学 | CsPbX3Preparation method and application of @ mica composite material |
| CN114940898A (en) * | 2021-02-17 | 2022-08-26 | 歆炽电气技术股份有限公司 | Light conversion composite material and method for manufacturing light conversion composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106543942A (en) | A kind of white light LEDs are with arogel and preparation method thereof | |
| TWI392110B (en) | Method for producing luminescence-conversion led | |
| CN104944766B (en) | A kind of fluorescent glass and its preparation method and application | |
| CN102730980B (en) | High-reliability and high-efficiency fluorescent glass for packaging LED (light emitting diode) and preparation method thereof | |
| CN107446572A (en) | Synthetic silica coats the application of the method for organic inorganic calcium perovskite like structure quantum dot and its quantum dot of synthesis | |
| CN106967412A (en) | Containing phosphor particle and using it light-emitting device, containing phosphor plates | |
| WO2021128895A1 (en) | High-thermal-conductivity insulating layer material, metal substrate, and preparation method | |
| CN102412347B (en) | Fabrication method of substrate with phosphor powder and fabrication method of light-emitting module | |
| CN101787254B (en) | Preparation method of white light LED gluewater | |
| CN102002269B (en) | Fluorescent powder coating liquid of white light emitting diode as well as preparation method and coating method thereof | |
| CN105704911A (en) | High-thermal conductivity aluminum base circuit board manufacturing method | |
| CN106118043B (en) | A kind of graphite modified Heat Conduction Material | |
| CN105070816A (en) | LED fluorescent film powder slurry | |
| TWI746875B (en) | Dispersion, composition, sealing member, light-emitting device, lighting fixture, display device, and manufacturing method of light-emitting device | |
| CN102227010B (en) | Preparation method for large power white light LED lens | |
| CN110157388A (en) | A kind of high thermal conductivity cream and preparation method thereof | |
| CN105131880A (en) | LED die attach adhesive as well as preparation method and application thereof | |
| CN105860919A (en) | Crystal curing adhesive for improving light extraction efficiency of LED (Light-Emitting Diode) and preparation method thereof | |
| WO2018121104A1 (en) | Chip scale package and packaging method | |
| CN110467913A (en) | A kind of method for coating of big granularity LED fluorescent powder | |
| CN105164824B (en) | Open reel | |
| CN205282499U (en) | Pottery fluorescence base plate and illuminator | |
| CN106381031A (en) | Three-proofing lacquer for high-temperature-resistant printed circuit board and preparation method thereof | |
| CN103811628A (en) | High-color rendering index white-light LED and manufacturing method thereof | |
| CN102983252B (en) | LED of adjustable color and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170329 |
|
| RJ01 | Rejection of invention patent application after publication |