CN207818600U - A kind of color temperature-tunable LED packagings - Google Patents
A kind of color temperature-tunable LED packagings Download PDFInfo
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- CN207818600U CN207818600U CN201820132736.8U CN201820132736U CN207818600U CN 207818600 U CN207818600 U CN 207818600U CN 201820132736 U CN201820132736 U CN 201820132736U CN 207818600 U CN207818600 U CN 207818600U
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Abstract
The utility model provides a kind of color temperature-tunable LED packagings, is related to LED technology field, this device has first light source, second light source and third light source.First light source, second light source and third light source are mutually closely.The fluorescent adhesive layer that first light source is excited by blue chip forms, and wherein the luminous power ratio shared by blue light is 0.15~0.25, and the luminous power ratio that fluorescent powder is excited is 1.The fluorescent adhesive layer that second light source is excited by blue chip forms, and wherein the luminous power ratio shared by blue light is 1, and the luminous power ratio that fluorescent powder is excited is 0.45~0.5.Third light source is made of green light chip and transparent silicon glue-line.The distance between three kinds of colour temperature devices are close, avoid generating the hot spot generated by the distance between multiple color temperatures device, improve illuminating effect, are 2700K~6500K, colour rendering index Ra >=90, color tolerance SDCM≤3 to obtain white light colour temperature adjustable extent.
Description
Technical field
The utility model is related to LED technology fields, in particular to a kind of color temperature-tunable LED packagings.
Background technology
Now with the development of semiconductor illumination technique, color temperature-tunable white LED light source is in high-quality illumination and special photograph
There is wider application in bright.Common adjustable color technology has：1) multi-chip integrated white light LED is used；2) low color is used
Warm white light LEDs and high color temperature LED mixed lights；3) pass through red, green, blue monochromatic LED mixed light.From technical feasibility and stability
From the point of view of, second and the third, i.e. RGB technologies and height white light LEDs colour mixture technology implement more convenient, are the most real
.
CN200910036845.5 proposes a kind of side generating white light using low color temperature LED light and high color temperature LED lamp mixed lights
Method, for this method according to target color temperature value, the gray scale by adjusting low color temperature LED light and high color temperature LED light reaches predetermined color
Temperature value.This method is the simplest in use, and most commonly used technology in adjustable color temperature technical solution currently on the market, can
Be this method color temperature adjustment precision it is very limited, can only be adjusted on the chromaticity coordinates line of high low color temperature, Bu Nengyan
Blackbody curve carries out color temperature adjustment.CN201510063655.8 proposes a kind of method generating white light using 4 LED mixing, the
One LED light source include peak wavelength be 442~450nm the first blue-light LED chip, thereon be coated with peak wavelength be 525~
The orange light phosphor powder of 580~600nm of green light fluorescent powder of 540nm；2nd LED light sources include that peak wavelength is 442~450nm
The second blue-light LED chip；3rd LED light sources include the green light LED chip that peak wavelength is 490~500nm；4th LED light
Source includes the red LED chip that peak wavelength is 627~635nm.It, can be 2700 by adjusting the energy weight of 4 LED
Colour temperature is adjusted within the scope of~6500K, and colour rendering index can reach 95 or more.But the algorithm of this its energy weight of method compared with
For complexity, technical difficulty is higher, and light source is made of independent different LED components, in light source igniting can because it is a variety of not
Hot spot is generated with the distance between LED component difference, does not meet the application requirement of high-quality illumination.
Therefore, it is desirable to while researching and developing a kind of color temperature adjustment that high-quality may be implemented, and has both simply control simultaneously
Adjustable color temperature light source.
Utility model content
The purpose of this utility model is to provide a kind of color temperature-tunable LED packagings, this color temperature-tunable LED encapsulation
Device can be while realizing the color temperature adjustment of high-quality, and has both the function of the adjustable color temperature light source simply controlled simultaneously, three
The distance between kind colour temperature device is close, avoids generating the hot spot generated by the distance between multiple color temperatures device, improves photograph
Obvious results fruit, adjustable color ranging from 2700~6500K, colour rendering index Ra >=90, color tolerance SDCM≤3.
What the embodiments of the present invention were realized in：
A kind of color temperature-tunable LED packagings, including：
Patch type bracket；
First light source layer, first light source layer is set to patch type bracket, and first light source layer is wrapped up by fluorescent glue sealing
First light source for providing blue feux rouges obtains；
Second light source layer, second light source layer is set to patch type bracket, and second light source layer is wrapped up by fluorescent glue sealing
Second light source for providing blue yellow light obtains；
Third light source layer, third light source layer is set to patch type bracket, and third light source layer passes through transparent silica gel sealing packet
It wraps up in and is obtained for providing the third light source of green light；
Wherein, first light source, second light source and third light source mutually closely, and third light source be set to second light source with
Between first light source, the export ratio of the LDE light sources in the channel by adjusting patch type bracket can get the white of different-colour
Light, and the adjustable color of white light ranging from 2700~6500K, colour rendering index Ra >=90, color tolerance SDCM≤3.
Further, in the preferred embodiment of the utility model, patch type bracket be triple channel patch type bracket, three
The patch type bracket in channel obtains the white light of different-colour for changing the export ratio of the corresponding LED light sources in three channels；
And the adjustable color of white light ranging from 2700~6500K, colour rendering index Ra >=90, color tolerance SDCM≤3.
Further, in the preferred embodiment of the utility model, first light source that first light source layer has by 415~
The blue chip of 425nm excites the fluorescent adhesive layer composition of 630~645nm.
Further, in the preferred embodiment of the utility model, shared by the blue light of the blue chip of 415~425nm
Luminous power ratio is 0.15~0.25.
Further, in the preferred embodiment of the utility model, the fluorescent powder of the fluorescent adhesive layer of 630~645nm is swashed
The luminous power ratio of hair is 1.
Further, in the preferred embodiment of the utility model, second light source that second light source layer has by 450~
The blue chip of 460nm excites the fluorescent adhesive layer composition of 524~535nm.
Further, in the preferred embodiment of the utility model, shared by the blue light of the blue chip of 450~460nm
Luminous power ratio is 1.
Further, in the preferred embodiment of the utility model, the fluorescent powder of the fluorescent adhesive layer of 524~535nm is swashed
The luminous power ratio of hair is 0.45~0.5.
Further, in the preferred embodiment of the utility model, third light source that third light source layer has by 520~
The green light chip and transparent silica gel of 530nm forms.
The advantageous effect of said program：
The utility model provides a kind of color temperature-tunable LDE packagings.
The color temperature-tunable LED packagings provided include the patch type bracket of independent triple channel, fluorescent glue sealing, provide
The first light source of blue feux rouges, the second light source that blue yellow light is provided and the third light source that green light is provided.First light source, second light source and
Third light source mutually closely, and is wrapped up by different fluorescent glue sealings or transparent silica gel sealing.First light source is by 415~425nm
Blue chip excites the fluorescent adhesive layer composition of 630~645nm, wherein the luminous power ratio shared by 415~425nm blue lights is 0.15
The luminous power ratio that~0.25,630~645nm fluorescent powder are excited is 1.Second light source is excited by 450~460nm blue chips
The fluorescent adhesive layer of 524~535nm forms, wherein the luminous power ratio shared by 450~460nm blue lights is 1,524~535nm is glimmering
The luminous power ratio that light powder is excited is 0.45~0.5.Third light source is by 520~530nm green lights chip and transparent silicon glue-line group
At.By changing the corresponding LED light source light output ratio in three channels, to obtain the white light of different-colour, and white light colour temperature
Adjustable extent is 2700K~6500K, colour rendering index Ra >=90, color tolerance SDCM≤3.
In conclusion this color temperature-tunable LED packaging can be while realizing the color temperature adjustment of high-quality, and simultaneously
Have both the function of the adjustable color temperature light source simply controlled, the distance between three kinds of colour temperature devices are close, avoid generating because of plurality of color
The hot spot that the distance between warm device generates, improves illuminating effect, adjustable color ranging from 2700~6500K, colour developing refers to
Number Ra >=90, color tolerance SDCM≤3.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the color temperature-tunable LED packagings that the embodiments of the present invention provide；
The relative spectral of first light source, second light source and third light source that Fig. 2 provides for the embodiments of the present invention
The schematic diagram of power distribution；
Fig. 3 is first light source, the chromaticity coordinate of second light source and third light source that the embodiments of the present invention provide
The schematic diagram of range.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts belongs to the model of the utility model protection
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model embodiment, it should be noted that term "center", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on ... shown in the drawings or position
Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality
With novel and simplified description, does not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third "
It is described etc. being only used for distinguishing, is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art
Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, and can also be detachable for example, it may be being fixedly connected
Connection, or be integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, centre can also be passed through
Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Height is less than second feature.
The color temperature-tunable LED packagings and equipment of the embodiments of the present invention are specifically described below.
Fig. 1 is the structural schematic diagram for the color temperature-tunable LED packagings that the embodiments of the present invention provide.It please refers to
Fig. 1, in the present embodiment, this color temperature-tunable LED packaging include patch type bracket, first light source layer, second light source layer
And third light source layer.Wherein, first light source layer is set to patch type bracket, and first light source layer is wrapped up by fluorescent glue sealing
First light source for providing blue feux rouges obtains, and second light source layer is set to patch type bracket, and second light source layer passes through fluorescence
Glue sealing package is obtained for providing the second light source of blue yellow light, and third light source layer, third light source layer is set to patch type bracket,
And third light source layer is wrapped up by transparent silica gel sealing and being obtained for providing the third light source of green light.Also, first light source, second
Mutually closely, and third light source is set between second light source and first light source for light source and third light source, is passed through and is adjusted patch
The export ratio of the LDE light sources in the channel of formula holder can get the white light of different-colour.Setting in this way so that three kinds of colors
The distance between warm device is close, avoids generating the hot spot generated by the distance between multiple color temperatures device, improves illumination effect
Fruit.And the adjustable color of white light ranging from 2700~6500K, colour rendering index Ra >=90, color tolerance SDCM≤3.
Fig. 2 is the relative spectral power distributions of first light source provided in this embodiment, second light source and third light source
Schematic diagram, Fig. 3 are the signal of the chromaticity coordinate range of first light source provided in this embodiment, second light source and third light source
Figure.It please refers to Fig.1 to Fig.3, specifically, patch type bracket is the patch type bracket of triple channel, and the patch type bracket of triple channel is used
The white light of different-colour, and the adjustable color range of white light are obtained in the export ratio for changing the corresponding LED light source in three channels
For 2700~6500K, colour rendering index Ra >=90, color tolerance SDCM≤3.
Also, the first light source that first light source layer has by 415~425nm blue chip excite 630~645nm it is glimmering
Optical cement layer forms, and the luminous power ratio shared by the blue light of the blue chip of 415~425nm is 0.15~0.25；630~645nm
The luminous power ratio that is excited of fluorescent powder of fluorescent adhesive layer be 1.
The second light source that second light source layer has is excited the fluorescent glue of 524~535nm by the blue chip of 450~460nm
Layer forms, and the luminous power ratio shared by the blue light of the blue chip of 450~460nm is 1.The fluorescent adhesive layer of 524~535nm it is glimmering
The luminous power ratio that light powder is excited is 0.45~0.5.
The third light source that third light source layer has is made of the green light chip and transparent silica gel of 520~530nm.
Optionally scheme, first light source excite the fluorescent adhesive layer of 635nm to form by 420nm blue chips；Second light
Source excites the fluorescent adhesive layer of 534nm to form by 455nm blue chips；Third light source is by 525nm green lights chip and transparent silicon glue-line
Composition.Certainly, in the other embodiment of the utility model, the composition of light source can also be selected according to demand, this practicality
Novel embodiment repeats no more.
It should be noted that in the present embodiment, selecting first light source：Second light source：The luminous power ratio of third light source
Respectively 1：0.2275：0.5381、1：0.3282：0.5684、1： 0.4749：0.6946、1：0.6983：0.7058、
0.7759：1：0.5184、0.5518：1： 0.2819、0.3925：1：0.0939 is measured, the corresponding colour temperature that measures, aobvious
Colour index and color tolerance are as shown in table 1 below.
Table one
The data shown according to table 1 are it is found that this color temperature-tunable LED packaging can be in the color temperature adjustment for realizing high-quality
While, and having both the function of the adjustable color temperature light source simply controlled simultaneously, the distance between three kinds of colour temperature devices are close, avoid
The hot spot generated by the distance between multiple color temperatures device is generated, improves illuminating effect, adjustable color ranging from 2700~
6500K, colour rendering index Ra >=90, color tolerance SDCM≤3.
Embodiments described above is the utility model a part of the embodiment, instead of all the embodiments.This practicality
The detailed description of novel embodiment is not intended to limit claimed the scope of the utility model, but is merely representative of this reality
With novel selected embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of the every other embodiment that is obtained, shall fall within the protection scope of the present invention.
Claims (9)
1. a kind of color temperature-tunable LED packagings, which is characterized in that including：
Patch type bracket；
First light source layer, the first light source layer is set to the patch type bracket, and the first light source layer passes through fluorescent glue
Sealing package is obtained for providing the first light source of blue feux rouges；
Second light source layer, the second light source layer is set to the patch type bracket, and the second light source layer passes through fluorescent glue
Sealing package is obtained for providing the second light source of blue yellow light；
Third light source layer, the third light source layer is set to the patch type bracket, and the third light source layer passes through transparent silicon
Glue sealing package is obtained for providing the third light source of green light；
Wherein, the first light source, the second light source and the third light source mutually closely, and the first light source, institute
State second light source and the third light source mutually closely, and the third light source is set to the second light source and described first
Between light source, the export ratio of the LDE light sources in the channel by adjusting the patch type bracket can get the white light of different-colour,
And the adjustable color of the white light ranging from 2700~6500K, colour rendering index Ra >=90, color tolerance SDCM≤3.
2. color temperature-tunable LED packagings according to claim 1, it is characterised in that：
The patch type bracket is the patch type bracket of triple channel, and the patch type bracket of the triple channel is for changing three channels
The export ratio of corresponding LED light source obtains the white light of different-colour；
And the adjustable color of the white light ranging from 2700~6500K, colour rendering index Ra >=90, color tolerance SDCM≤3.
3. color temperature-tunable LED packagings according to claim 1, it is characterised in that：
The first light source that the first light source layer has is excited the fluorescent glue of 630~645nm by the blue chip of 415~425nm
Layer composition.
4. color temperature-tunable LED packagings according to claim 3, it is characterised in that：
Luminous power ratio shared by the blue light of the blue chip of 415~425nm is 0.15~0.25.
5. color temperature-tunable LED packagings according to claim 3, it is characterised in that：
The luminous power ratio that the fluorescent powder of the fluorescent adhesive layer of 630~645nm is excited is 1.
6. color temperature-tunable LED packagings according to claim 5, it is characterised in that：
The second light source that the second light source layer has is excited the fluorescent glue of 524~535nm by the blue chip of 450~460nm
Layer composition.
7. color temperature-tunable LED packagings according to claim 6, it is characterised in that：
Luminous power ratio shared by the blue light of the blue chip of 450~460nm is 1.
8. color temperature-tunable LED packagings according to claim 7, it is characterised in that：
The luminous power ratio that the fluorescent powder of the fluorescent adhesive layer of 524~535nm is excited is 0.45~0.5.
9. color temperature-tunable LED packagings according to claim 8, it is characterised in that：
The third light source that the third light source layer has is made of the green light chip and transparent silica gel of 520~530nm.
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| CN201820132736.8U CN207818600U (en) | 2018-01-25 | 2018-01-25 | A kind of color temperature-tunable LED packagings |
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| CN201820132736.8U CN207818600U (en) | 2018-01-25 | 2018-01-25 | A kind of color temperature-tunable LED packagings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281533A (en) * | 2018-01-25 | 2018-07-13 | 广东省半导体产业技术研究院 | A kind of color temperature-tunable LED packagings and its application method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281533A (en) * | 2018-01-25 | 2018-07-13 | 广东省半导体产业技术研究院 | A kind of color temperature-tunable LED packagings and its application method |
| CN108281533B (en) * | 2018-01-25 | 2019-11-26 | 广东省半导体产业技术研究院 | A kind of color temperature-tunable LED packaging and its application method |
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Address after: 510651 No. 363, Changxin Road, Guangzhou, Guangdong, Tianhe District Patentee after: Institute of semiconductors, Guangdong Academy of Sciences Address before: 510000 363 Changxin Road, Tianhe District, Guangzhou, Guangdong. Patentee before: GUANGDONG INSTITUTE OF SEMICONDUCTOR INDUSTRIAL TECHNOLOGY |