CN207350253U - Wavelength converter - Google Patents
Wavelength converter Download PDFInfo
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- CN207350253U CN207350253U CN201720588525.0U CN201720588525U CN207350253U CN 207350253 U CN207350253 U CN 207350253U CN 201720588525 U CN201720588525 U CN 201720588525U CN 207350253 U CN207350253 U CN 207350253U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
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- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
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Abstract
A kind of Wavelength converter is the utility model is related to, including：Incident layer, fluorescence coating and exit layer, incident layer are arranged on the side away from exit layer on fluorescence coating, including guiding incident light enters the incident film of Wavelength converter；Fluorescence coating includes wavelength conversion material；Exit layer is arranged on fluorescence coating, including the filter unit array being made of the filter unit of multiple border close proximities；Wherein, when on the wavelength conversion material that the incident light entered via incident layer is irradiated in fluorescence coating, wavelength conversion material is excited and sends the transmitting light of different wave length, and transmitting light is sent with the mixed light that incident light is mixed to form via filter unit array from Wavelength converter.Wavelength converter provided by the utility model, processing technology is simple, and the light extraction efficiency of unit area is high, and the color of the light sent and the uniformity of brightness are good.
Description
Technical field
It the utility model is related to display and lighting technical field, more particularly to a kind of Wavelength converter.
Background technology
In related art scheme, it is necessary to add between two luminescence units in most of array wavelength convert light emitters
Add reflective grid, to solve the cross-interference issue of light among luminescence unit.Also, the monochromatic light of different wave length to be obtained needs
Different fluorescent materials is filled in reflective grid, this technical solution is complex in manufacture craft, implements difficulty
It is higher.And in the case where the width of grid is larger, grid occupied area occupies larger proportion in unit area, makes unit plane
Light-emitting area in product reduces, and can reduce the light extraction efficiency of unit area；, will to the precision of processing in the case of grid is less
Ask higher, be extremely difficult in correlation technique.Therefore, in the case of same size, how to improve in unit area and shine
The accounting of area, increase light extraction efficiency are a problem to be solved.
Utility model content
Technical problem
In view of this, the technical problems to be solved in the utility model is how to improve accounting for for light-emitting area in unit area
Than, increase light extraction efficiency.
Solution
In order to solve the above-mentioned technical problem, an embodiment according to the present utility model, there is provided a kind of Wavelength converter,
Including：Incident layer, fluorescence coating and exit layer, the incident layer are arranged on the side away from the exit layer on the fluorescence coating,
The incident layer includes incident film, for guiding incident light to enter the Wavelength converter；The fluorescence coating turns including wavelength
Conversion materials, at least partly described incident light to be converted into the transmitting light of different wave length；The exit layer is arranged on described glimmering
On photosphere, including the filter unit array being made of the filter unit of multiple border close proximities；
Wherein, the wavelength conversion material being irradiated in the incident light entered via the incident layer in the fluorescence coating
In the case of upper, the wavelength conversion material is excited and sends the transmitting light of different wave length, the transmitting light and the incidence
The mixed light that light is mixed to form is sent via the filter unit array from the Wavelength converter.
In a kind of possible implementation, the incident layer is in close contact with the fluorescence coating.
In a kind of possible implementation, dielectric layer is further included, the dielectric layer is coated in the fluorescence layer surface not
The region contacted with the incident layer and the exit layer, the dielectric layer is reflecting the transmitting light and/or incidence
Light.
In a kind of possible implementation, dielectric layer is further included, the dielectric layer is arranged on remote on the fluorescence coating
The side of the exit layer, the dielectric layer is between the incident layer and the fluorescence coating, and the dielectric layer is reflecting
The transmitting light and/or the incident light.
In a kind of possible implementation, dielectric layer is further included, the dielectric layer is arranged on remote on the fluorescence coating
The side of the exit layer, the dielectric layer include through hole, and the incident layer is placed in the through hole, and the dielectric layer is to anti-
Penetrate the transmitting light and/or the incident light.
In a kind of possible implementation, the dielectric layer includes the air gap, reflectance coating and is coated with the of reflectance coating
At least one of one transparent substrate, wherein, the reflectance coating reflection transmitting light and/or the incident light.
In a kind of possible implementation, further include：Radiate frame, encapsulates the incident layer, the fluorescence coating and institute
Exit layer, or the encapsulation dielectric layer are stated, so that the incident light can enter from the incident layer, is sent out from the exit layer
Go out.
In a kind of possible implementation, it is coated in the reflectance coating on first transparent substrate away from described glimmering
In the case of photosphere side, the thickness of first transparent substrate is less than or equal to 0.35mm；Or it is coated in the reflectance coating
On first transparent substrate in the case of the close fluorescence coating side, the thickness of first transparent substrate is less than or equal to
5mm。
In a kind of possible implementation, the reflectance coating is metallic reflective coating, and the thickness of the metallic reflective coating is
500nm~2000nm.
In a kind of possible implementation, the reflectance coating is dielectric reflectance coating, the dielectric reflectance coating and phase
There are the air gap between the interface of adjacent bed.
In a kind of possible implementation, the incidence film transmission incident angle is less than or equal to predetermined angular threshold value
The incident light, reflection incident angle are more than the incident light of the predetermined angular threshold value, and the predetermined angular threshold value is 7 °.
In a kind of possible implementation, the filter unit includes red filter unit, blue filter unit, green
At least two in filter unit and Yellow filter unit, and form each described of the filter unit array of border close proximity
Filter unit is in periodic arrangement.
In a kind of possible implementation, the filter unit is filter coating, and the filter coating is coated on the fluorescence
On layer.
In a kind of possible implementation, the exit layer further includes the second transparent substrate, and the filter unit is set
On the second transparent substrate, the second transparent substrate thickness is less than or equal to 0.35mm, and the filter unit is filter coating, institute
Filter coating is stated to be coated on second transparent substrate.
In a kind of possible implementation, it is described heat dissipation frame material include sapphire, aluminium nitride, silicon, aluminium oxide,
At least one of metallic aluminium and copper, the thickness of the heat dissipation frame is 0.3mm~2mm.
In a kind of possible implementation, the wavelength conversion material is included in fluorescent powder, quantum dot and fluorescent dye
At least one, the thickness of the fluorescence coating is 0.3mm~0.5mm.
Beneficial effect
Wavelength converter provided by the utility model, the incident light entered via incident layer are irradiated in fluorescence coating
On wavelength conversion material, wavelength conversion material is excited and sends the transmitting light of different wave length, and transmitting light mixes warp with incident light
Sent by filter unit array, the light extraction efficiency of unit area is high, and the color of the light sent and the uniformity of brightness are good, and device
Processing technology it is simple.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the further feature and aspect of the utility model will
It is made apparent from.
Brief description of the drawings
Comprising in the description and the attached drawing of a part for constitution instruction and specification together illustrate this practicality newly
Exemplary embodiment, feature and the aspect of type, and for explaining the principle of the utility model.
Fig. 1 shows the sectional view of the Wavelength converter according to one embodiment of the utility model；
Fig. 2 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Fig. 3 shows the rearview of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Fig. 4 shows the front view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Fig. 5 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Fig. 6 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Fig. 7 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Fig. 8 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Fig. 9 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Figure 10 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Figure 11 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Figure 12 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Figure 13 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Figure 14 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Figure 15 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model；
Figure 16 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model.
Embodiment
Describe the various exemplary embodiments, feature and aspect of the utility model in detail below with reference to attached drawing.In attached drawing
Identical reference numeral represents functionally the same or similar element.Although the various aspects of embodiment are shown in the drawings,
It is unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the utility model, given in embodiment below numerous specific
Details.It will be appreciated by those skilled in the art that without some details, the utility model can equally be implemented.In some realities
In example, it is not described in detail for method well known to those skilled in the art, means, element and circuit, in order to highlight this reality
With new purport.
Embodiment 1
Fig. 1 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model.Such as Fig. 1 institutes
Show, which can include incident layer 101, fluorescence coating 102 and exit layer 103.
Incident layer 101 is arranged on the side away from exit layer 103 on fluorescence coating 102, and incident layer 101 includes incident film, uses
Enter Wavelength converter in guiding incident light；Fluorescence coating 102 includes wavelength conversion material, for converting incident light into difference
The transmitting light of wavelength；Exit layer 103 is arranged on fluorescence coating 102, including is made of the filter unit of multiple border close proximities
Filter unit array.
Wherein, the feelings being irradiated in the incident light entered via incident layer 101 on the wavelength conversion material in fluorescence coating 102
Under condition, wavelength conversion material is excited and sends the transmitting light of different wave length, the mixed light that transmitting light is mixed to form with incident light
Sent via filter unit array from Wavelength converter.
As an example of the present embodiment, incident light can be blue light or ultraviolet light.For example, can be that wave-length coverage exists
The blue light of 445nm~465nm.
In a kind of possible implementation, Fig. 2 shows to be turned according to an exemplary wavelength of one embodiment of the utility model
The sectional view of changing device.As shown in Fig. 2, the device can also include：Radiate frame 104, for encapsulating incident layer 101, fluorescence
Layer 102 and exit layer 103, so that incident light can enter from incident layer 101, send from exit layer 103.
It should be noted that heat dissipation frame 104 can have a variety of encapsulation incident layer 101, fluorescence coating 102 and exit layer 103
Mode.For example, in the case of 103 shape of incident layer 101, fluorescence coating 102 and exit layer, area all same, radiate frame
104 can only encapsulate the side of incident layer 101, fluorescence coating 102 and exit layer 103, can also be together with a part for incident layer 101
The plane of incidence and a part of exit facet of exit layer 103 together encapsulate.
When the shape of incident layer 101 and exit layer 103 is identical with fluorescence coating 102, and area is less than 102 area of fluorescence coating
In the case of, heat dissipation frame 104 can then encapsulate incident layer 101, fluorescence coating 102, the side of exit layer 103 and fluorescence coating 102
On not by incident layer 101,102 orthographic projection region coverage fraction of fluorescence coating；
Certainly, there are other situations, the shape, area such as incident layer 101 and fluorescence coating 102 are identical, and 103 He of exit layer
103 shape of fluorescence coating is identical, and area is less than the situation of 102 area of fluorescence coating；Alternatively, exit layer 103 and the shape of fluorescence coating 102
Shape, area are identical, and incident layer 101 with 103 shape of fluorescence coating identical, area be less than 102 area of fluorescence coating situation；Alternatively,
Incident layer 101, the situation that fluorescence coating 102 is different with the shape of exit layer 103, area is different.Heat dissipation frame 104 encapsulates incidence
Layer 101, fluorescence coating 102, the mode of exit layer 103 refer to above-mentioned encapsulating structure, as long as enabling incident light from incident layer 101
Into being sent from exit layer 103, details are not described herein again.
As an example of the present embodiment, Fig. 3 shows to be turned according to an exemplary wavelength of one embodiment of the utility model
The rearview of changing device；Fig. 4 shows the front view of the exemplary wavelength conversion equipment according to one embodiment of the utility model.Such as
Shown in Fig. 3, heat dissipation frame 104 can not coat incident layer 101.Or heat dissipation frame 104 can also coat the portion of incident layer 101
Point, for example, the surrounding of cladding incident layer 101.In this manner it is ensured that incident light can enter from incident layer 101.As shown in figure 4,
Heat dissipation frame 104 can not coat exit layer 103.Or heat dissipation frame 104 can also coat the subregion of exit layer 103,
For example, the surrounding of cladding exit layer 103.In this manner it is ensured that mixed light can be sent from exit layer 103.
In a kind of possible implementation, as shown in Fig. 2, being arranged on the side away from exit layer 103 on fluorescence coating 102
Incident layer 101 can be in close contact with fluorescence coating 102.
In a kind of possible implementation, incident film transmission incident angle is less than or equal to the incidence of predetermined angular threshold value
Light, reflection incident angle are more than the incident light of predetermined angular threshold value, and predetermined angular threshold value can be 7 °.
As an example of the implementation, the characteristic that incident layer 101 can be adjusted according to the requirement of product is (such as right
The material of incident layer 101, thickness etc. are adjusted), so as to adjust the angle threshold value, the utility model is not construed as limiting this.
In a kind of possible implementation, wavelength conversion material can include in fluorescent powder, quantum dot and fluorescent dye
At least one, the thickness of fluorescence coating 102 can be 0.3mm~0.5mm.
As an example of the implementation, the wavelength conversion material in fluorescence coating 102 can absorb incident light, can be with
The colour temperature deviation of mixed light is adjusted by adjusting the thickness of fluorescence coating 102.Fluorescence coating 102 is thicker, and the incident light of absorption is more,
The colour temperature deviation of mixed light is bigger；Fluorescence coating 102 is thinner, and the incident light of absorption is fewer, and the colour temperature deviation of mixed light is smaller.
As an example of the implementation, fluorescence coating 102 can also be YAG:Ce pure phases ceramics or YAG:Ce monocrystalline.
Wherein, YAG:Ce pure phases ceramics can be aluminium oxide and YAG:The transparent pure phase ceramics that Ce is formed, YAG:Ce monocrystalline can be oxygen
Change aluminium and YAG:The monocrystalline that Ce is formed；Fluorescence coating 102 can also be YAG:The complex phase ceramic of Ce and aluminium oxide.Need what is illustrated
It is that the wavelength conversion material in fluorescence coating 102 can also be the wider wavelength conversion material of other emission spectrum, not limit herein
It is fixed.
In a kind of possible implementation, filter unit can include red filter unit 103-R, blue filter unit
At least two in 103-B, green filter unit 103-G and Yellow filter unit 103-Y, and form the filter of border close proximity
Each filter unit of light unit array is in periodic arrangement.
As an example of the implementation, as shown in figure 4, including red filter unit 103-R, indigo plant in filter unit
In the case of color filter unit 103-B, green filter unit 103-G and Yellow filter unit 103-Y, each filter unit can be by
According to form periodic arrangement as shown in Figure 4.It should be noted that those skilled in the art can be set respectively according to the actual requirements
The periodic arrangement mode of filter unit, is not limited thereto.Each filter unit in filter unit array can use
RGBY (red, green, blue and yellow) mode is arranged (as shown in Figure 4), can also use RGGB (red green and green is blue), RGBB (RGB is blue)
Arranged, can be set according to product requirement, the utility model is not restricted this etc. mode.
As an example of the implementation, under the action of filter unit array, it is emitted via exit layer 102 mixed
Closing light can be the array white light divided according to RGB (rgb color pattern, a kind of color standard).Can be by adjusting each filter
The area accounting of light unit adjusts the colour temperature of array white light, brightness and color, and the area accounting of filter unit is single to filter
The ratio of the area of member and the area of exit layer 103.
In a kind of possible implementation, filter unit can be filter coating, and filter coating can be coated on fluorescence coating 102
On.
As an example of the implementation, filter coating can be plated by way of multiple mask, subregion are coated with
Make the side away from incident layer 101 on fluorescence coating 102.It can be coated with according to different filter unit material therefor in filter coating
The order of temperature from high to low is coated with each filter unit successively, to realize that the orderly of filter coating lossless is coated with.
In a kind of possible implementation, exit layer 103 can also include the second transparent substrate, and the filter unit is set
Put on the second transparent substrate, the second transparent substrate thickness is less than or equal to 0.35mm, and the filter unit is filter coating, described
Filter coating is coated on second transparent substrate.
As an example of the implementation, the material of the second transparent substrate can include sapphire sheet and/or optics
Glass, its thickness can be 0.1mm~0.3mm.Mixed light exists during being propagated in the second transparent substrate laterally to be propagated
Situation, i.e. phenomenon of the second transparent substrate there are side direction light.If the second transparent substrate is blocked up, side direction light is obvious, light
Loss is serious.Therefore, the thickness of the second transparent substrate can be determined according to light loss and processing technology, be allowed in processing technology
In the case of, ensure less light loss.
As an example of the implementation, in the situation that exit layer 103 is the second transparent substrate for being coated with filter coating
Under, can utilize the transparent high heat conduction binding material such as silica gel by exit layer 103 with fluorescence coating 102 is seamless is glued together.
In a kind of possible implementation, as shown in Fig. 2, the area of exit layer 103 can be less than the face of fluorescence coating 102
Product.Fig. 5 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model, as shown in figure 5, outgoing
The area of layer 103 can also be equal to the area of fluorescence coating 102.In this manner it is ensured that be mixed to form by transmitting light and incident light
Outgoing luminous energy is sent from exit layer 103 so that the light finally sent from Wavelength converter passes through exit layer 103.
Fig. 6 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model, and Fig. 7 shows root
According to the sectional view of an exemplary wavelength conversion equipment of one embodiment of the utility model.
In a kind of possible implementation, as shown in Figure 6, Figure 7, the area of incident layer 101 can be less than or equal to glimmering
The area of photosphere 102.In this way, the incident light that can make to enter fluorescence coating 102 from incident layer 101 can be irradiated to fluorescence coating 102
In wavelength conversion material on.
In a kind of possible implementation, the area of incident layer 101 can be greater than or equal to incident light in incident layer 101
Incidence surface on the area of hot spot that shows.In this way, as far as possible more incident light beam strikes can be caused to the incidence surface of incident layer 101
On, the loss of incident light is avoided, improves light extraction efficiency.
Fig. 8 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model, and Fig. 9 shows root
According to the sectional view of an exemplary wavelength conversion equipment of one embodiment of the utility model.
In a kind of possible implementation, as shown in Figure 8 and Figure 9, the area of incident layer 101 can be less than or equal to glimmering
The area of photosphere 102, the device can also include dielectric layer 105, and dielectric layer 105 is arranged on fluorescence coating 102 away from exit layer
103 side, dielectric layer 105 include through hole, and incident layer 101 is placed in through hole, dielectric layer 105 to reflect transmitting light and/or
Incident light.
As an example of the implementation, dielectric layer 105 can be in close contact with fluorescence coating 102, and dielectric layer can be with
It is the functional layer of reflection transmitting light or the functional layer of reflection incident light, can also be while reflect transmitting light and incidence
The functional layer of light；In addition, dielectric layer can also strengthen the functional layer that incident light passes through.It is not construed as limiting herein.
As an example of the implementation, as shown in figure 8, heat dissipation frame 104 can encapsulate incident layer 101, fluorescence
Layer 102, exit layer 103 and dielectric layer 105, and the frame 104 that radiates can coat dielectric layer 105 completely.As shown in figure 9, dissipate
Hot frame 104 can encapsulate incident layer 101, fluorescence coating 102, exit layer 103 and dielectric layer 105, but the frame 104 and endless of radiating
Full cladding dielectric layer 105, only coats the side of dielectric layer 105.It should be noted that those skilled in the art can be according to reality
Need to set heat dissipation frame 104 whether to coat dielectric layer 105 and coat the cladding area of dielectric layer 105 in heat dissipation frame 104,
It is not limited thereto.
Figure 10 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model.Can in one kind
In the implementation of energy, as shown in Figure 10, which can also include dielectric layer 105, and dielectric layer 105 is arranged on fluorescence coating 102
The upper side away from exit layer 103, dielectric layer 105 can be arranged between incident layer 101 and fluorescence coating 102, and dielectric layer 105 is used
With reflection transmitting light and/or incident light.
As an example of the implementation, as shown in Figure 10, the area of dielectric layer 105 can be equal to fluorescence coating 102
Area, and the area of incident layer 101 can be less than or equal to dielectric layer 105 area, that is, the area of incident layer 101 can
With the area less than or equal to fluorescence coating 102, it is not limited thereto.
In a kind of possible implementation, dielectric layer 105 can include the air gap, reflectance coating and be coated with reflectance coating
At least one of first transparent substrate, wherein, reflectance coating can reflect transmitting light and/or incident light.When selection such as Fig. 8, Fig. 9
During shown structure, reflectance coating can only reflection transmitting light, transmitting light and incident light can also be reflected at the same time, or only reflection is incident
Light；When selecting the structure shown in Figure 10, reflectance coating reflection transmitting light.
As an example of the implementation, the material of the first transparent substrate can be sapphire sheet and/or optics glass
Glass.
In a kind of possible implementation, dielectric layer 105 can be only the air gap, due to the air gap relative to
Fluorescence coating belongs to the thin matter of Jie, will occur entirely from the wide-angle light that fluorescence coating 102 is emitted in fluorescence coating 102 and the air gap interface
Reflection, further improves the utilization rate of light, highlights.
In a kind of possible implementation, reflectance coating can be metallic reflective coating, and the thickness of metallic reflective coating is 500nm
~2000nm.
As an example of the implementation, the material of metallic reflective coating can be metallic aluminium or metallic silver.
In a kind of possible implementation, reflectance coating can be dielectric reflectance coating, dielectric reflectance coating and adjacent layer
Interface between there are the air gap.
As an example of the implementation, in the case where reflectance coating is dielectric reflectance coating, dielectric reflectance coating
It is both needed to set the air gap between incident layer 101 and between dielectric reflectance coating and fluorescence coating 102.
In a kind of possible implementation, when being coated with the first transparent substrate of reflectance coating as dielectric layer 105, anti-
Penetrate film to be coated on the first transparent substrate away from the case of 102 side of fluorescence coating, the thickness of the first transparent substrate can be less than
Or equal to 0.35mm；Or in the case where reflectance coating is coated on the first transparent substrate close to 102 side of fluorescence coating, first is transparent
The thickness of substrate can be less than or equal to 5mm.
In a kind of possible implementation, reflectance coating can be directly coated on fluorescence coating 102 as dielectric layer
105.In this way, the heat-conducting effect of dielectric layer can be improved, the thermal resistance of dielectric layer is reduced.
Figure 11 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model.
In a kind of possible implementation, as shown in figure 11, which can also include dielectric layer 105, in incident layer
In the case that dielectric layer 105 is set between 101 and fluorescence coating 102, dielectric layer 105 can coat in 102 surface of fluorescence coating not with
The region that exit layer 103 contacts, heat dissipation frame 104 can coat dielectric layer 105.
As an example of the implementation, as shown in figure 11, it is less than fluorescence coating 102 in the area of exit layer 103
In the case of area, dielectric layer 105 need to coat the region not contacted in 102 surface of fluorescence coating with exit layer 103, to ensure medium
The transmitting light that layer 105 can be inspired with reflected fluorescent light layer 102.Figure 12 shows the example according to one embodiment of the utility model
The sectional view of property Wavelength converter, Figure 13 are shown according to an exemplary wavelength conversion equipment of one embodiment of the utility model
Sectional view.In the case where the area of exit layer 103 is equal to the area of fluorescence coating 102, as shown in figure 12, dielectric layer 105 can be with
The region not contacted in 102 surface of cladding fluorescence coating with exit layer 103.It is equal to the face of fluorescence coating 102 in the area of exit layer 103
In the case of product, as shown in figure 13, dielectric layer 105 can also be coated in 102 surface of side and fluorescence coating of exit layer 103 not
The region contacted with exit layer 103.Dielectric layer 105 has reflex, can be with the wavelength conversion material in reflected fluorescent light layer 102
Be excited generation different wave length transmitting light, those skilled in the art can set dielectric layer 105 to coat according to the actual requirements
The concrete mode of fluorescence coating 102, as long as ensureing the reflex of dielectric layer 105, is not limited thereto.
Figure 14 shows the sectional view of the exemplary wavelength conversion equipment according to one embodiment of the utility model.
In a kind of possible implementation, as shown in figure 14, which can also include dielectric layer 105, dielectric layer 105
The region not contacted in 102 surface of fluorescence coating with incident layer 101 and exit layer 103 can be coated, dielectric layer 105 is sent out to reflect
Penetrate light and/or incident light.
As an example of the implementation, heat dissipation frame 104 can coat dielectric layer 105.Figure 15 is shown according to this
The sectional view of one exemplary wavelength conversion equipment of one embodiment of utility model, Figure 16 are shown according to one embodiment of the utility model
An exemplary wavelength conversion equipment sectional view.In the case where the area of exit layer 103 is equal to the area of fluorescence coating 102,
As shown in figure 15, dielectric layer 105 except the region not contacted in cladding fluorescence coating 102 surface with incident layer 101 and exit layer 103 it
Outside, the side of exit layer 103 can also be coated；Alternatively, as shown in figure 16, dielectric layer 105 can only coat 102 surface of fluorescence coating
In the region that is not contacted with incident layer 101 and exit layer 103, do not coat the side of exit layer 103.
In a kind of possible implementation, the material for the frame 104 that radiates can include sapphire, aluminium nitride, silicon, oxidation
At least one of aluminium, metallic aluminium and copper, the thickness of heat dissipation frame 104 can be 0.3mm~2mm.
As an example of the implementation, the material of heat dissipation frame 104 can be glass, metal or inorganic high heat conduction
Material.For example, the material of heat dissipation frame 104 can be fine copper or structure aluminum.In this way, the internal structure of whole device can be protected
From external world, and ensure high heat transfer, the heat inside device is delivered to rapidly the external world, achievees the purpose that heat dissipation.
Certainly, the inner wall of heat dissipation frame 104 can also be processed by shot blasting that substitute medium layer is used as reflection.As the implementation
One example, due between heat dissipation frame 104 incident layer 101, fluorescence coating 102, exit layer 103 and the dielectric layer 105 that contact
Contacted for low temperature, high heat conduction binding agent can be utilized to bond heat dissipation frame 104 with each layer, highly heat-conductive material pressure can also be utilized
Close heat dissipation frame 104 and each layer.In a kind of possible implementation, incident layer 101 can also include the 3rd transparent substrate, can
Incident film is coated on the 3rd transparent substrate, recycle the transparent high heat conduction binding material such as silica gel by incident layer 101 with it is glimmering
102 seamless splicing of photosphere.
In a kind of possible implementation, only include incident film in incident layer 101, exit layer 103 only includes filter coating
In the case of, incident film can be directly coated on to the side of fluorescence coating 102, filter coating is coated on the another of fluorescence coating 102
Side.
It should be noted that although describe Wavelength converter using embodiment 1 as example as above, but art technology
Personnel are it is understood that the utility model answers not limited to this.For example, it will can be dissipated in the Wavelength converter exemplified by Fig. 2~Figure 16
Hot frame removes.In fact, user completely can be according to personal like and/or the flexible setting section of practical application scene, as long as full
Sufficient the technical solution of the utility model.
Wavelength converter provided by the utility model, the incident light entered via incident layer are irradiated in fluorescence coating
On wavelength conversion material, wavelength conversion material is excited and sends the transmitting light of different wave length, and transmitting light mixes warp with incident light
Sent by filter unit array, the light extraction efficiency of unit area is high, and the color of the light sent and the uniformity of brightness are good, and device
Processing technology it is simple.
In the application of lighting area, Wavelength converter according to the present utility model can be by adjusting each optical filtering
The type of the filtered region of unit, size, area accounting etc., reach colour temperature adjusting, brightness regulation, the purpose of color adaptation, energy
The attribute of light is enough adjusted flexibly.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (16)
- A kind of 1. Wavelength converter, it is characterised in that including：Incident layer, fluorescence coating and exit layer,The incident layer is arranged on the side away from the exit layer on the fluorescence coating, and the incident layer includes incident film, uses Enter the Wavelength converter in guiding incident light；The fluorescence coating includes wavelength conversion material, at least partly described incident light to be converted into the transmitting of different wave length Light；The exit layer is arranged on the fluorescence coating, including the optical filtering list being made of the filter unit of multiple border close proximities Element array；Wherein, it is irradiated in the incident light entered via the incident layer on the wavelength conversion material in the fluorescence coating In the case of, the wavelength conversion material is excited and sends the transmitting light of different wave length, and the transmitting light is mixed with the incident light The mixed light formed is closed to send from the Wavelength converter via the filter unit array.
- 2. device according to claim 1, it is characterised in that the incident layer is in close contact with the fluorescence coating.
- 3. device according to claim 1, it is characterised in that further include dielectric layer, the dielectric layer coats the fluorescence The region not contacted in layer surface with the incident layer and the exit layer, the dielectric layer to reflect it is described transmitting light and/ Or the incident light.
- 4. device according to claim 1, it is characterised in that further include dielectric layer, the dielectric layer is arranged on described glimmering Side away from the exit layer on photosphere, the dielectric layer is between the incident layer and the fluorescence coating, the medium Layer is reflecting the transmitting light and/or incident light.
- 5. device according to claim 1, it is characterised in that further include dielectric layer, the dielectric layer is arranged on described glimmering The side away from the exit layer, the dielectric layer include through hole on photosphere, and the incident layer is placed in the through hole, is given an account of Matter layer is reflecting the transmitting light and/or incident light.
- 6. according to claim 3~5 any one of them device, it is characterised in that the dielectric layer includes the air gap, reflection Film and at least one of first transparent substrate of reflectance coating is coated with,Wherein, the reflectance coating reflection transmitting light and/or the incident light.
- 7. according to claim 3~5 any one of them device, it is characterised in that further include：Radiate frame, the incident layer, the fluorescence coating and the exit layer, or the encapsulation dielectric layer is encapsulated, so that described Incident light can enter from the incident layer, be sent from the exit layer.
- 8. device according to claim 6, it is characterised in thatIn the case where the reflectance coating is coated on first transparent substrate away from the fluorescence coating side, described first is saturating The thickness of bright substrate is less than or equal to 0.35mm；OrIn the case where the reflectance coating is coated on first transparent substrate close to the fluorescence coating side, described first is saturating The thickness of bright substrate is less than or equal to 5mm.
- 9. device according to claim 6, it is characterised in that the reflectance coating is metallic reflective coating, the metallic reflection The thickness of film is 500nm~2000nm.
- 10. device according to claim 6, it is characterised in that the reflectance coating is dielectric reflectance coating, the dielectric There are the air gap between reflectance coating and the interface of adjacent layer.
- 11. according to Claims 1 to 5 any one of them device, it is characterised in that the incidence film transmission incident angle is less than Or the incident light equal to predetermined angular threshold value, reflection incident angle are more than the incident light of the predetermined angular threshold value, The predetermined angular threshold value is 7 °.
- 12. according to Claims 1 to 5 any one of them device, it is characterised in that the filter unit includes red filter list At least two in member, blue filter unit, green filter unit and Yellow filter unit, and form the filter of border close proximity Each filter unit of light unit array is in periodic arrangement.
- 13. device according to claim 12, it is characterised in that the filter unit is filter coating, the filter coating plating System is on the fluorescence coating.
- 14. according to Claims 1 to 5 any one of them device, it is characterised in that the exit layer further includes the second transparent base Plate, the filter unit are arranged on the second transparent substrate, and the second transparent substrate thickness is less than or equal to 0.35mm, described Filter unit is filter coating, and the filter coating is coated on second transparent substrate.
- 15. device according to claim 7, it is characterised in that the material of the heat dissipation frame includes sapphire, nitridation At least one of aluminium, silicon, aluminium oxide, metallic aluminium and copper, the thickness of the heat dissipation frame is 0.3mm~2mm.
- 16. according to Claims 1 to 5 any one of them device, it is characterised in that the wavelength conversion material includes fluorescence At least one of powder, quantum dot and fluorescent dye, the thickness of the fluorescence coating is 0.3mm~0.5mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588525.0U CN207350253U (en) | 2017-05-24 | 2017-05-24 | Wavelength converter |
| PCT/CN2018/074750 WO2018214593A1 (en) | 2017-05-24 | 2018-01-31 | Wavelength conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588525.0U CN207350253U (en) | 2017-05-24 | 2017-05-24 | Wavelength converter |
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| CN207350253U true CN207350253U (en) | 2018-05-11 |
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| CN201720588525.0U Active CN207350253U (en) | 2017-05-24 | 2017-05-24 | Wavelength converter |
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| CN (1) | CN207350253U (en) |
| WO (1) | WO2018214593A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665662A (en) * | 2019-03-06 | 2020-09-15 | 夏普株式会社 | Illumination device and display device |
| CN115188875A (en) * | 2022-09-13 | 2022-10-14 | 泉州三安半导体科技有限公司 | Light emitting device and light emitting element |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100502065C (en) * | 2006-10-09 | 2009-06-17 | 李屹 | High-efficiency fluorescent converted LED light source and backlight module |
| CN101539270B (en) * | 2008-03-17 | 2011-06-08 | 绎立锐光科技开发(深圳)有限公司 | Method for converting light wavelength with emission angle selectivity characteristic |
| WO2012006128A2 (en) * | 2010-06-28 | 2012-01-12 | Axlen Technologies, Inc. | High brightness illumination devices using wavelength conversion materials |
| DE102012005657B4 (en) * | 2012-03-22 | 2020-06-10 | Schott Ag | White light lighting device |
| CN105093776B (en) * | 2014-05-13 | 2020-08-25 | 深圳光峰科技股份有限公司 | Wavelength conversion device, light source system and projection system |
| CN204739537U (en) * | 2015-03-04 | 2015-11-04 | 晶科电子（广州）有限公司 | Wide colour gamut optics diaphragm and LED backlight unit |
| CN106324963A (en) * | 2016-11-16 | 2017-01-11 | 青岛蓝之虹光电技术有限公司 | Novel transmission-type backlight source device applying wavelength conversion principle |
-
2017
- 2017-05-24 CN CN201720588525.0U patent/CN207350253U/en active Active
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2018
- 2018-01-31 WO PCT/CN2018/074750 patent/WO2018214593A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665662A (en) * | 2019-03-06 | 2020-09-15 | 夏普株式会社 | Illumination device and display device |
| CN115188875A (en) * | 2022-09-13 | 2022-10-14 | 泉州三安半导体科技有限公司 | Light emitting device and light emitting element |
Also Published As
| Publication number | Publication date |
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| WO2018214593A1 (en) | 2018-11-29 |
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