CN107464871A - A kind of apparatus and method for configuring high colour gamut LED fluorescent powder - Google Patents
A kind of apparatus and method for configuring high colour gamut LED fluorescent powder Download PDFInfo
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- CN107464871A CN107464871A CN201710707729.6A CN201710707729A CN107464871A CN 107464871 A CN107464871 A CN 107464871A CN 201710707729 A CN201710707729 A CN 201710707729A CN 107464871 A CN107464871 A CN 107464871A
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- fluorescent powder
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- 239000000843 powder Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 229910003564 SiAlON Inorganic materials 0.000 claims description 23
- 239000003292 glue Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 101150038956 cup-4 gene Proteins 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000009103 reabsorption Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised 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
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses a kind of device for configuring high colour gamut LED fluorescent powder, including casing and working chamber, the working chamber is opened in casing, pinion gear is provided with the working chamber, coaxially rotary table is fixed with above the pinion gear, it is provided with the rotary table and mixes slowly cup and closed jar, cup and the closed jar of mixing slowly drives rotation by pinion gear, friction pad is provided with the side wall and bottom of a cup for mixing slowly cup, the pinion gear is connected in drive motor by power transmission shaft, it is simple in construction, it is easy to operate, the stirring of efficient uniform can be completed without foreign object insertion, and manpower is liberated；The LED fluorescent powder of the method configuration of high colour gamut LED fluorescent powder is configured, prevents the precipitation of bulky grain fluorescent material in configuration process, uniformity is higher after stirring, while has high color domain coverage ratio.
Description
Technical field
The present invention relates to LED encapsulation fields, more particularly to a kind of apparatus and method for configuring high colour gamut LED fluorescent powder.
Background technology
Traditional LED encapsulation, YAG yellow fluorescent powders are added usually using InGaN blue chips, colour gamut can only control
NTSC65%-72%.And what colour gamut covering was mainly determined by red, green, blue three primary colours coverage, coverage is wider, colour gamut
It is higher.Traditional LED only InGaN Blue Scale coverages, so colour gamut covering is smaller, it is impossible to meet that high color quality will
The medical and industrial display demand asked.In addition during fluorescent material configures, to prevent fluorescent material from precipitating, it usually needs
Carry out plug-in type hand operated mixing, on the one hand stir it is uneven, another aspect plug-in type stirring can bring pollution, these all can be significantly
Influence the colour gamut coverage after LED encapsulation.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of apparatus and method for configuring high colour gamut LED fluorescent powder, its
The colour gamut coverage after LED encapsulation can be greatly improved.
To reach above-mentioned purpose, technical scheme is as follows：
The device of high colour gamut LED fluorescent powder is configured, including casing and working chamber, the working chamber are opened in casing, institute
State and pinion gear is provided with working chamber, coaxially rotary table, the rotary table are fixed with above the pinion gear
On be provided with and mix slowly cup and closed jar, the rotary table, mix slowly cup and closed jar by wandering star
Gear driving rotates, and is provided with friction pad in the side wall and bottom of a cup for mixing slowly cup, the pinion gear passes through transmission
Axis connection is in drive motor.
As preferable, the friction pad is two strip rubber blankets, and the rubber blanket, which is embedded in, mixes slowly cup sidewall
In bottom of a cup.
As preferable, the angle between the closed jar axle center and rotary table is between 0 °~90 °.
As preferable, the drive motor is electrically connected with control panel, and the control panel is arranged on casing.
As preferable, work chamber lid is provided with the casing.
As preferable, the pinion gear includes gear ring, sun gear, planetary gear and planet carrier, the gear ring and the sun
Wheel is set with wheel, and the planetary gear is arranged between gear ring and sun gear, and the planetary gear is fixed by planet carrier.
The method for configuring high colour gamut LED fluorescent powder, it is characterised in that including matching somebody with somebody described in claim 1-6 any one
The device of high colour gamut LED fluorescent powder is put, it comprises the following steps：
1) some beakers are cleaned with acetone, precise electronic is placed on after drying deserves to be called and carry out returning 0；
2) β-SiAlON are added in beaker, are recorded after weighing；
3) KSF fluorescent material is added in an other beaker, quality is 4.5 times~4.7 times of β-SiAlON quality；
4) β-SiAlON and KSF fluorescent material are blended in configuration beaker, are placed in mixing slowly in cup and are stirred, turned
Speed is 30rpm~60rpm；
5) glue A is added in beaker, quality is 1.2 times~1.3 times of β-SiAlON quality；
6) by glue A pour into configuration beaker in, and continue be stirred in cup is mixed slowly, rotating speed be 30rpm~
60rpm；
7) glue B is added in beaker, quality is 6 times~7 times of β-SiAlON quality；
8) by glue B pour into configuration beaker in, and continue be stirred in cup is mixed slowly, rotating speed be 50rpm~
80rpm, time 2min；
9) after the completion of being stirred in mixing slowly cup, configuration beaker is sealed in closed jar and carries out high-speed stirred,
It is 5s, mixing speed 4000rpm, mixing time 105s to spin up the time, and rotation deceleration time is 10s；
10) after the completion of high-speed stirred, the fluorescent material configured enters next processing procedure, is 447.5nm~450nm's with wavelength
LED chip is packaged.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, traditional LED backlight color domain coverage ratio only has NTSC65%-72%, and color domain coverage ratio of the invention reaches
More than NTSC95%, make television set color rendition apparent, truer, resolution ratio is higher, and regarding for genuineness is brought to human eye
Feel and enjoy, slightly general red effect can also reach such as face, therefore can more meet the medical and industrial of high color quality requirement
Display demand.
2nd, for the fluorescent material of configuration after being packaged, LED color stability and color uniformity are high, product yield also compared with
Prior art greatly improves.
3rd, mixed slowly in configuration process by mixing slowly cup, prevented artificial stirring dynamics and made with speed inequality
Into incomplete mixing, while liberated manpower.
4th, in whole whipping process, stirred without plug-in type, avoid the pollution that plug-in type stirring is brought.
5th, whole device realizes driving by a drive motor, and can realize different rotations and stirring under revolution speed
Mix, it is simple in construction, it is easy to operate.
Brief description of the drawings
, below will be in the description of embodiment technology for the technical scheme in clearer explanation technology of the embodiment of the present invention
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, additionally it is possible to according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation for the device that the present invention configures high colour gamut LED fluorescent powder；
Fig. 2 is the internal structure schematic diagram for the device that the present invention configures high colour gamut LED fluorescent powder；
Fig. 3 is the structural representation of erratic star wheel；
Fig. 4 is the improved configuration technique of the present invention and the spectral intensity comparison diagram of each wavelength of conventional arrangement technique.
Wherein, 1- casings, 2- working chambers, 3- rotary tables, 4- mix slowly cup, 40- friction pads, the closed stirrings of 5-
Cup, 6- control panels, 7- work chamber lids, 8- pinion gears, 80- sun gears, 81- planetary gears, 82- planet carriers, 83- gear rings, 9-
Power transmission shaft, 10- drive motors.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only invention part of the embodiment, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are obtained every other on the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment
A kind of device for configuring high colour gamut LED fluorescent powder, including case are disclosed shown in 1~Fig. 3 of reference picture, in the present embodiment
Body 1, working chamber 2 and pinion gear 8, working chamber 2 are arranged in casing 1.Above-mentioned pinion gear 8 includes sun gear 80, planetary gear
81st, planet carrier 82 and gear ring 83, sun gear 80 and gear ring 83 are coaxially disposed, planetary gear 81 be arranged on sun gear 80 and gear ring 83 it
Between, all planetary gears 81 are fixedly connected by planet carrier 82, and sun gear 80 and planetary gear 81 have identical diameter, and gear ring 83 is consolidated
It is scheduled in working chamber 2.
The above-mentioned top of sun gear 80 is coaxially arranged with rotary table 3, rotary table 3 and the synchronous axial system of sun gear 80.
Be provided with rotary table 3 two mix slowly cup 4 and with two closed jars 5, mix slowly cup 4 and closed jar
5 are arranged on rotary table 3 around center alternating is equidistant, each mix slowly cup 4 and closed jar 5 and a row
Star-wheel 81 connects.Sun gear 80 drives rotary table 3 to rotate during work, and the driving of planetary gear 81 mixes slowly cup 4 and closed stirred
Cup 5 is mixed to rotate.
Above-mentioned mix slowly is inlaid with two friction pads 40 in cup 4, two friction pads 40 are from accent along side wall and bottom of a cup
Relative other end accent is extended to, two friction pads 40 intersect vertically in bottom, to the frictional force of beaker when increase rotates, together
When the buffering certain to beaker, prevent from damaging.
At 0 °~90 °, beaker stirs angle between the center line and rotary table 3 of above-mentioned closed jar 5 closed
When mixing high speed rotation in cup 5, the fluorescent material of configuration is risen by centrifugal force, then is sunk by gravity, realizes the material at bottom and top
Exchange so that stirring is evenly.
Above-mentioned sun gear 80 is connected by power transmission shaft 9 with drive motor 10, and the drive motor 10 is fixed on casing 1.
Drive motor 10 is electrically connected with control panel 6, and control panel 6 is arranged on casing.
Work chamber lid 7 is provided with above-mentioned casing 1, work chamber lid 7 is closed to working chamber 2 when device works, prevented
Beaker or liquid throw away and damaged outside chamber when only rotating at a high speed.
The method of LED fluorescent powder is configured using the device of the high colour gamut LED fluorescent powder of above-mentioned configuration, it includes following step
Suddenly：
1) some beakers are cleaned with acetone, precise electronic is placed on after drying deserves to be called and carry out returning 0, can be with to clean with acetone
Fluorescent material, glue and the other materials of residual in beaker are effectively removed, avoid polluting；
2) β-SiAlON are added in beaker, are recorded after weighing；
3) KSF fluorescent material is added in an other beaker, quality is 4.5 times~4.7 times of β-SiAlON quality, because
KSF fluorescent material half-wave width, arrange in pairs or groups β-SiAlON when, there is higher NTSC, with the time secondary reabsorption reduction, it is identical
Under NTSC effects, there is higher brightness, this ratio of KSF fluorescent material can preferably embody its characteristic；
4) β-SiAlON and KSF fluorescent material are blended in configuration beaker, are placed in mixing slowly in cup and are stirred, turned
Speed is 30rpm~60rpm, and having relatively prevents two kinds of fluorescent material from being settled caused by the difference of granular size；
5) glue A is added in beaker, quality is 1.2 times~1.3 times of β-SiAlON quality, and glue A is silica gel, is had
Stable chemical property and preferable heat resistance, can lift overall performance；
6) by glue A pour into configuration beaker in, and continue be stirred in cup is mixed slowly, rotating speed be 30rpm~
60rpm so that glue A, β-SiAlON and KSF fluorescent material uniformly mixes；
7) glue B is added in beaker, quality is 6 times~7 times of β-SiAlON quality, and glue B is curing agent, Neng Gouyou
Effect is adhered on support, and protection is provided for LED chip；
8) by glue B pour into configuration beaker in, and continue be stirred in cup is mixed slowly, rotating speed be 50rpm~
80rpm, time 2min, in this step, properly increased speed of agitator so that be partly adhered to glue together with it is glimmering
Light powder further separates, and coordinates appropriate mixing time, will not make bulky grain again because centrifugal force is gathered in periphery；
9) after the completion of being stirred in mixing slowly cup, configuration beaker is sealed in closed jar and carries out high-speed stirred,
It is 5s, mixing speed 4000rpm, mixing time 105s to spin up the time, and rotation deceleration time is 10s, and extremely short adds
The fast time, the high density part of adhesion can be impacted open so that it is easier to spread in high speed rotates, relatively gentle drop
Speed so that mixed liquor keeps uniform state；
10) after the completion of high-speed stirred, the fluorescent material configured enters next processing procedure, is 447.5nm~450nm's with wavelength
LED chip is packaged.
The more preferable scheme of the present embodiment, mainly has the following steps：
1) some beakers are cleaned with acetone, precise electronic is placed on after drying deserves to be called and carry out returning 0；
2) β-SiAlON are added in beaker, are recorded after weighing；
3) KSF fluorescent material is added in an other beaker, quality is 4.6 times of β-SiAlON quality；
4) β-SiAlON and KSF fluorescent material are blended in configuration beaker, are placed in mixing slowly in cup and are stirred, turned
Speed is 50rpm；
5) glue A is added in beaker, quality is 1.3 times of β-SiAlON quality；
6) glue A is poured into configuration beaker, and continues to be stirred in cup is mixed slowly, rotating speed 50rpm；
7) glue B is added in beaker, quality is 6.3 times of β-SiAlON quality；
8) glue B is poured into configuration beaker, and continues to be stirred in cup is mixed slowly, rotating speed 70rpm, the time
For 2min；
9) after the completion of being stirred in mixing slowly cup, configuration beaker is sealed in closed jar and carries out high-speed stirred,
It is 5s, mixing speed 4000rpm, mixing time 105s to spin up the time, and rotation deceleration time is 10s；
10) after the completion of high-speed stirred, the fluorescent material configured enters next processing procedure, is 447.5nm~450nm's with wavelength
LED chip is packaged.
The present invention is covered using three primary colours completely, and the green powder of short wavelength β-SiAlON and long wave are added with short wavelength's blue chip
Long rouge and powder KSF fluorescent material, three most extreme points, collocation accurately match so that red light frequency range energy is sufficient, color color
Domain is broader, and the person image closer to realistic colour is presented up to more than NTSC95% in color saturation.
During work, configuration beaker is placed on and mixes slowly in cup 4 or is enclosed in closed jar 5, passes through control
Panel 6 sets rotary speed, rotational time, acceleration time and the deceleration time of drive motor 10.Rotary table 3 passes through the sun
Wheel 80 drive carry out rotation, be arranged on rotary table 3 mix slowly cup 4 and closed jar 5 surrounds rotary work
The center of platform 3 is revolved round the sun, and is mixed slowly cup 4 and closed jar 5 and is carried out rotation by the drive of planetary gear 81, so as to realize
While configuration beaker is revolved round the sun around the center of rotary table 3, and can carries out rotation, and foreign object need not be inserted can be complete
Into evenly efficient mixing effect.Shown in reference picture 4, the spectrum of the spectral intensity of modified technique of the invention compared with traditional handicraft
Intensity has larger lifting.
Current embodiment require that supplementary notes is：The present apparatus is by the specific hardware configuration group such as control panel and drive motor
Into fractional hardware has the participation of software program in the process of running, and the software program of auxiliary the machine operation is existing reproducible
Software program, do not form the innovative point of the application.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to consistent with principles disclosed herein and novel point
Most wide scope.
Claims (7)
- A kind of 1. device for configuring high colour gamut LED fluorescent powder, it is characterised in that：Including casing and working chamber, the working chamber is opened It is located in casing, pinion gear is provided with the working chamber, is coaxially fixed with rotary table above the pinion gear, institute State to be provided with rotary table and mix slowly cup and closed jar, the rotary table, mix slowly cup and closed stir Mix cup and driven by pinion gear and rotated, friction pad, the wandering star are provided with the side wall and bottom of a cup for mixing slowly cup Gear is connected in drive motor by power transmission shaft.
- 2. the device of the high colour gamut LED fluorescent powder of configuration according to claim 1, it is characterised in that：The friction pad is two Bar strip rubber blanket, the rubber blanket, which is embedded in, to be mixed slowly on cup sidewall and bottom of a cup.
- 3. the device of the high colour gamut LED fluorescent powder of configuration according to claim 2, it is characterised in that：The closed jar Angle between axle center and rotary table is between 0 °~90 °.
- 4. the device of the high colour gamut LED fluorescent powder of configuration according to claim 3, it is characterised in that：The drive motor electricity Control panel is connected with, the control panel is arranged on casing.
- 5. the device of the high colour gamut LED fluorescent powder of configuration according to claim 4, it is characterised in that：Set on the casing There is work chamber lid.
- 6. the device of the high colour gamut LED fluorescent powder of configuration according to claim 1, it is characterised in that：The pinion gear bag Include gear ring, sun gear, planetary gear and planet carrier, the gear ring and sun gear with taking turns settings, the planetary gear be arranged on gear ring with Between sun gear, the planetary gear is fixed by planet carrier.
- A kind of 7. method for configuring high colour gamut LED fluorescent powder, it is characterised in that including described in claim 1-6 any one The device of high colour gamut LED fluorescent powder is configured, it comprises the following steps：1) some beakers are cleaned with acetone, precise electronic is placed on after drying deserves to be called and carry out returning 0；2) β-SiAlON are added in beaker, are recorded after weighing；3) KSF fluorescent material is added in an other beaker, quality is 4.5 times~4.7 times of β-SiAlON quality；4) β-SiAlON and KSF fluorescent material are blended in configuration beaker, are placed in mixing slowly in cup and are stirred, rotating speed is 30rpm~60rpm；5) glue A is added in beaker, quality is 1.2 times~1.3 times of β-SiAlON quality；6) glue A is poured into configuration beaker, and continues to be stirred in cup is mixed slowly, rotating speed is 30rpm~60rpm；7) glue B is added in beaker, quality is 6 times~7 times of β-SiAlON quality；8) glue B being poured into configuration beaker, and continues to be stirred in cup is mixed slowly, rotating speed is 50rpm~80rpm, Time is 2min；9) after the completion of being stirred in mixing slowly cup, configuration beaker is sealed in closed jar and carries out high-speed stirred, is rotated Acceleration time is 5s, mixing speed 4000rpm, mixing time 105s, and rotation deceleration time is 10s；10) after the completion of high-speed stirred, the fluorescent material configured enters next processing procedure, with the LED that wavelength is 447.5nm~450nm Chip is packaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707729.6A CN107464871A (en) | 2017-08-17 | 2017-08-17 | A kind of apparatus and method for configuring high colour gamut LED fluorescent powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707729.6A CN107464871A (en) | 2017-08-17 | 2017-08-17 | A kind of apparatus and method for configuring high colour gamut LED fluorescent powder |
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| CN107464871A true CN107464871A (en) | 2017-12-12 |
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| CN201710707729.6A Pending CN107464871A (en) | 2017-08-17 | 2017-08-17 | A kind of apparatus and method for configuring high colour gamut LED fluorescent powder |
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Application publication date: 20171212 |