CN209525553U - Wavelength converter and projection arrangement - Google Patents
Wavelength converter and projection arrangement Download PDFInfo
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- CN209525553U CN209525553U CN201920330457.7U CN201920330457U CN209525553U CN 209525553 U CN209525553 U CN 209525553U CN 201920330457 U CN201920330457 U CN 201920330457U CN 209525553 U CN209525553 U CN 209525553U
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Abstract
The utility model provides a kind of Wavelength converter.Wavelength converter includes substrate, wavelength conversion layer and an at least positioning region.Substrate has surface.Wavelength conversion layer is set on the surface of substrate, and occupies the transition region of substrate.An at least positioning region is set on substrate and protrudes from surface, and is located inside and the outside at least one of them of transition region.The utility model provides a kind of projection arrangement with this Wavelength converter.Wavelength converter and projection arrangement provided by the utility model can effectively avoid or reduce wavelength conversion layer in generate sliding on substrate the case where, and can improving heat radiation efficiency.
Description
Technical field
The utility model relates to a kind of projection arrangement, and in particular to a kind of throwing comprising Wavelength converter
Image device.
Background technique
Light source type used in projection arrangement is as market is to projection arrangement brightness, color saturation, service life, nothing
Poison ring guarantor etc. requires, and evolves from ultrahigh pressure mercury lamp (UHP lamp), light emitting diode (light emitting diode, LED)
To laser diode (laser diode, LD) light source.
The red laser diode of high brightness and the cost of green laser diode are excessively high at present, in order to reduce cost, lead to
Yellow light, green light are generated frequently with the fluorescent powder on blue light laser diode excitated fluorescent powder runner, then via filter wheel
(filter wheel) filters out required feux rouges, then the blue light for blue light laser diode sending of arranging in pairs or groups, and constitutes projection
Red Green Blue needed for picture.
Fluorescent powder runner is to use laser diode for element particularly important in the projection arrangement of light source at present.In Gao Gong
In rate projection arrangement, it can be used in phosphor glass (Phosphor in glass, PIG) or phosphor ceramic (Phosphor
In ceramic, PIC) etc. flourescent sheets fluorescent powder runner is made.Flourescent sheet is attached to the substrate of fluorescent powder runner with binder
The problem of when upper, the more thin then heat-conducting effect of binder is better, but while having flourescent sheet attaching is easily slided.The thickness for increasing binder can
Make flourescent sheet is firm to be attached on the substrate of fluorescent powder runner, but there is the problem that heat-conducting effect is bad.
This " background technique " paragraph is used only to help to understand the content of the present invention, therefore is taken off in " background technique "
The content of dew may be comprising some without constituting known technology known to the technical staff in the technical field.In addition, "
Disclosed content does not represent the content in background technique " or the utility model one or more embodiment is to be solved
Problem does not also represent and is known or recognized by the technical staff in the technical field before the present utility model application.
Utility model content
The utility model provides a kind of Wavelength converter, can effectively avoid or reduce wavelength conversion layer in generating on substrate
The case where sliding, and can improving heat radiation efficiency.
The utility model provides a kind of projection arrangement, Wavelength converter can effectively avoid or reduce wavelength conversion layer in
The case where sliding is generated on substrate, and can improving heat radiation efficiency.
The other objects and advantages of the utility model can be obtained from the technical characteristic disclosed by the utility model into one
The understanding of step.
It is the wave provided by an embodiment of the present invention up to one of above-mentioned or partly or entirely purpose or other purposes
Long conversion equipment includes substrate, wavelength conversion layer and an at least positioning region.Substrate has surface.Wavelength conversion layer is set to base
On the surface of plate, and occupy the transition region of substrate.An at least positioning region is set on substrate and protrudes from surface, and is located at and turns
It changes at the inside and outside at least one of them in region.
It is that an embodiment of the present invention is provided to throw up to one of above-mentioned or part or all of purpose or other purposes
Image device includes lighting system, light valve and projection lens.Lighting system can provide illuminating bundle.Light valve is configured at illuminating bundle
On transmission path, illuminating bundle is converted into image strip.Projection lens is configured on the transmission path of image strip.Illumination
System includes excitation light source and above-mentioned Wavelength converter.Excitation light source can provide excitation beam.Wavelength converter is matched
It is placed on the transmission path of excitation beam, the wavelength conversion layer of Wavelength converter is used to excitation beam being converted into conversion light
Beam, illuminating bundle include commutating optical beam and excitation beam.
In the Wavelength converter and projection arrangement of the utility model, Wavelength converter includes the surface for protruding from substrate
An at least positioning region wavelength conversion layer can be positioned at the phase by positioning region when wavelength conversion layer is set on substrate
Hope position, with effectively avoid or reduce wavelength conversion layer on substrate generate sliding the case where.In addition, positioning region protrudes from substrate
Surface, can increase the surface area of substrate and auxiliary generate flow-disturbing, facilitate improving heat radiation efficiency.
For the above-mentioned and other purposes of the utility model, feature and advantage can be clearer and more comprehensible, preferable reality is cited below particularly
Example is applied, and cooperates attached drawing, is described in detail below.
Detailed description of the invention
Fig. 1 is the schematic diagram of the Wavelength converter of an embodiment of the present invention.
Fig. 2 is diagrammatic cross-section of the Fig. 1 along line A-A.
Fig. 3 A and Fig. 3 B are the schematic diagram of at least embodiment of a positioning region.
Fig. 4 A is the schematic diagram of the Wavelength converter of another embodiment of the utility model.
Fig. 4 B and Fig. 4 C are the schematic diagram of at least embodiment of a positioning region.
Fig. 5 is the diagrammatic cross-section of the Wavelength converter of another embodiment of the utility model.
Fig. 6 is the schematic diagram of the Wavelength converter of another embodiment of the utility model.
Fig. 7 is the block schematic diagram of the projection arrangement of an embodiment of the present invention.
Fig. 8 is the schematic diagram of the lighting system of the projection arrangement of an embodiment of the present invention.
Specific embodiment
In relation to addressing other technologies content, feature and effect before the utility model, in following cooperation with reference to one of attached drawing
In the detailed description of preferred embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as: upper,
Under, it is left and right, front or rear etc., be only the direction with reference to attached drawing.Therefore, the direction term used is for illustrating not to be used to limit
The utility model processed.
Fig. 1 is the schematic diagram of the Wavelength converter of an embodiment of the present invention.Fig. 2 is that Fig. 1 shows along the section of line A-A
It is intended to.Please refer to Fig. 1 and Fig. 2, the Wavelength converter 100 of the present embodiment includes substrate 110, wavelength conversion layer 120 and extremely
A few positioning region 130.Wavelength converter 100 is, for example, rotatable wavelength convert wheel, and substrate 110 may be, for example, with table
The turntable in face 111.Specifically, turntable can be complete disk or tool disk jaggy, but not limited to this.At other
In embodiment, Wavelength converter 100 is also possible to chip component.The part of the surface 111 of substrate 110 is, for example, light-receiving surface.Wave
Long conversion layer 120 is set on the surface 111 of substrate 110, and occupies the transition region 112 of substrate 110.In other words, wavelength
The region set on surface 111 of conversion layer 120 is transition region 112.Transition region 112 is, for example, complete annulus
Domain or tool annular region jaggy, but not limited to this.In the embodiment shown in fig. 1, transition region 112 may include inner edge
(interal edge) 1121, outer rim 1122, and the middle part 1120 between inner edge 1121 and outer rim 1122.In some realities
It applies in example, an at least positioning region 130 is set on substrate 110 and protrudes from surface 111, and at least a positioning region 130 can be located at
The inside and/or outside of transition region 112.For example, in Fig. 1 and embodiment shown in Fig. 2, positioning region 130, which is located at, to be turned
It changes the region (also that is, inside of transition region 112) within the inner edge 1121 in region 112 and is located at the outer rim of transition region 112
Region (also that is, outside of transition region 112) other than 1122, but not limited to this.In detail for example, positioning region 130
Region within the inner edge of transition region 112 1121, positioning region 130 can contact but not cover inner edge 1121.Positioning region
130 are located at the region other than the outer rim 1122 of transition region 112, and positioning region 130 can contact but not cover outer rim 1122.?
In other embodiments, positioning region 130 can for example be only located at the region (such as Fig. 3 A) within inner edge 1121, or be only located at outer rim 1122
Region (such as Fig. 3 B) in addition.With reference to Fig. 1, in the present embodiment, inner edge 1121 is defined as transition region 112 close to substrate 110
The side of (turntable) center C, outer rim 1122 are defined as side of the transition region 112 far from substrate 110 (turntable) center C.At this
In embodiment, term " inside " is defined as the periphery direction center C by Wavelength converter 100, and vice versa.In some implementations
In example, Wavelength converter 100 may include multiple wavelength conversion layers 120.In the present embodiment, these wavelength conversion layers 120 can
Discontinuously it is arranged on the surface of substrate 110 111, the region that each wavelength conversion layer 120 occupies is defined as sub- transition region, also
That is, transition region 112 may include multiple discontinuous transition regions.In embodiment so, between the sub- transition region such as this
Gap S (being described in detail in lower with reference to Fig. 6) may be present.
In some embodiments, substrate 110 for example may include metal.For example, the material of substrate 110 may include for example
Aluminium, copper, silver metal, or may include the metal alloy of such as aluminium alloy, copper alloy, albronze.In other embodiments,
The material of substrate 110 may include the ceramic material of such as aluminium nitride, silicon nitride, silicon carbide, boron nitride.However, the utility model
It is not limited to this.
In some embodiments, wavelength conversion layer 120 for example including phosphor glass (Phosphor in glass,
PIG), the flourescent sheet after sintering such as phosphor ceramic (Phosphor in ceramic, PIC), for being configured at substrate.
In some embodiments, by taking the Wavelength converter of Fig. 1 100 as an example, at least a positioning region 130 includes along transition zone
An at least internal projection structure 131 for the inside setting in domain 112 and at least outer lug knot being arranged along the outside of transition region 112
Structure 132.In some embodiments, internal projection structure 131 is, for example, continuous bulge-structure, but not limited to this.In other realities
Apply in example, internal projection structure 131 also can be discontinuous multiple bulge-structure (described below), or continuous bulge-structure with not
The combination of continuous bulge-structure.In some embodiments, outer lug structure 132 also can be continuous bulge-structure, but not limit to
In this.In other embodiments, outer lug structure 132 also can be discontinuous multiple bulge-structure (described below), Huo Zhelian
The combination of continuous bulge-structure and discontinuous bulge-structure.As shown in Figures 1 and 2, the internal projection structure 131 and wave of positioning region 130
There is distance D1 between long conversion layer 120, there is distance between the outer lug structure 132 and wavelength conversion layer 120 of positioning region 130
D2.In this embodiment, according to the difference of design requirement, distance D1 is, for example, 0mm~0.5mm, distance D2 be, for example, 0mm~
0.5mm。
In some embodiments, between the surface 111 of substrate 110 and the bottom surface 121 of wavelength conversion layer 120 have first away from
From H1, and the surface 111 of substrate 110 and the top surface 122 of wavelength conversion layer 120 have second distance H2.In one embodiment, until
A few positioning region 130 is greater than first distance H1 compared to the height H on the surface 111 of substrate 110, and is less than or equal to second distance
H2.In a further embodiment, at least height H of a positioning region 130 is greater than or equal to first distance H1 and second distance H2
Average value, and be less than or equal to second distance H2.
In some embodiments, Wavelength converter 100 for example further includes the first middle dielectric layer 140, is configured at substrate
Between 110 surface 111 and wavelength conversion layer 120.First middle dielectric layer 140 is used for the processing procedure in Wavelength converter 100
Middle gluing substrate 110 and wavelength conversion layer 120.The material of first middle dielectric layer 140 for example including silica gel, epoxy resin etc.,
But the utility model is not limited to this.
In some embodiments, Wavelength converter 100 for example further includes reflecting layer 150, is configured at surface 111 and first
Between middle dielectric layer 140.In one embodiment, reflecting layer 150 include metal-coated membrane, plating dielectric film, or combinations thereof, it is gold-plated
Belonging to film is, for example, to plate silverskin or aluminizer.In another embodiment, reflecting layer 150 for example including multiple diffusing reflection particles with then
Agent, and multiple diffusing reflection particles are mixed in solid.Multiple diffusing reflection particles are for example including TiO 2 particles, titanium dioxide silicon grain
Son, aluminium oxide particles, boron nitride particles, zirconium dioxide particle, or combinations thereof.When Wavelength converter 100 is configured with reflecting layer
When 150, the first middle dielectric layer 140 is, for example, to be greater than or equal to for the penetrance of the light in visible wavelength range
85%, the refractive index to light is, for example, 1.35~1.65.
In some embodiments, Wavelength converter 100 for example also has fan-shaped region 113.In some embodiments, should
Fan-shaped region 113 can extend generally along the direction from 110 center of substrate to edge.The utility model is to fan-shaped region 113
Position and shape it is without restriction, for example, in the embodiment shown in fig. 1, the substrate 110 of Wavelength converter 100
C is provided with central through hole CH in its center.Fan-shaped region 113 can generally extend outwardly from central through hole CH, and may extend to
The edge of substrate 100, or can also be not extend to the edge of substrate 100.In this embodiment, fan-shaped region 113 and transition zone
Domain 112 is not overlapped.In one embodiment, the reflective optical devices for reflected excitation light beam, or for penetrating laser beam
Transmission optical component may be disposed in the fan-shaped region 113.For example, in the embodiment of setting transmission optical component,
Fan-shaped region 113 is, for example, weld access hole, the glass substrate configured with corresponding weld access hole, for passing through excitation beam.It answers
It is appreciated that, in the embodiment for not having fan-shaped region 113, transition region 112 is complete annular region.
In some embodiments, Wavelength converter 100 includes at least one positioning for protruding from the surface 111 of substrate 110
Wavelength conversion layer 120 can be positioned at by portion 130 when wavelength conversion layer 120 is set on substrate 110 by positioning region 130
Desired locations, with effectively avoid or reduce wavelength conversion layer 120 on substrate 110 generate sliding the case where.Furthermore, on the one hand,
Positioning region 130 protrudes from the surface 111 of substrate 110, can increase the surface area of substrate 110, on the other hand, works as Wavelength converter
When 100 rotation, positioning region 130 helps to create flow-disturbing in rotary course, so that wavelength conversion layer 120 is shone by excitation beam
Heat caused by after penetrating can be conducted, and improving heat radiation efficiency is facilitated.Furthermore due to the surface for protruding from substrate 110
111, positioning region 130 can also increase the radial support power between wavelength conversion layer 120 and substrate 110, to promote wavelength convert dress
Set 100 reliability.
In some embodiments, it compared to the Wavelength converter of no positioning region 130, is filled in the wavelength convert of the present embodiment
Set 100 be provided with an at least internal projection structure 131 in the case where, the probability that wavelength conversion layer 120 can be slid on substrate 110
15% is reduced to from 50%.Furthermore in the case where being provided with an at least outer lug structure 132, wavelength conversion layer 120 can be existed
The probability slid on substrate 110 is reduced to 10% from 50%.Furthermore, it is provided with an at least internal projection structure at the same time
131 and at least one in the case where outer lug structure 132, and the probability that can slide wavelength conversion layer 120 on substrate 110 is from 50%
It is reduced to 0%.
In some embodiments, positioning region 130 can be formed as one with substrate 110, but the utility model is not limited to this,
In other embodiments, positioning region 130 can be fixed on substrate 110 by other modes.In this embodiment, positioning region
130 be a part of substrate 110.Compared to the Wavelength converter of no positioning region 130, in the Wavelength converter of the present embodiment
In the case that 100 are provided with an at least internal projection structure 131, wavelength conversion layer 120 and substrate 110 (internal projection structure 131) it
Between adhesion can promote 3%~5%.Furthermore in the case where being provided with an at least outer lug structure 132, wavelength convert
Adhesion between layer 120 and substrate 110 (outer lug structure 132) can be promoted greater than 50%.Furthermore, it sets at the same time
In the case where being equipped with an at least internal projection structure 131 and an at least outer lug structure 132, wavelength conversion layer 120 and substrate 110
Adhesion between (internal projection structure 131 and outer lug structure 132) can be promoted greater than 50%.
Fig. 4 A is the schematic diagram of the Wavelength converter of another embodiment of the utility model.Please refer to Fig. 4 A, the present embodiment
Wavelength converter 100a it is similar to above-mentioned 100 structure of Wavelength converter and advantage, below only for the master of its structure
It wants to be illustrated at difference.In the Wavelength converter 100a of the present embodiment, internal projection structure 131a and outer lug structure 132a
E.g. discontinuous bulge-structure, as shown in Figure 4 A, the discontinuous bulge-structure such as this can be multiple cylinders, but the utility model is simultaneously
It is not particularly limited the shape and quantity of discontinuous bulge-structure.In addition, internal projection structure 131a is also possible to continuous bulge-structure
With the combination of discontinuous bulge-structure, outer lug structure 132a is also possible to the group of continuous bulge-structure Yu discontinuous bulge-structure
It closes.In other embodiments, according to the difference of design requirement, internal projection structure 131a is, for example, discontinuous bulge-structure, and outer
Bulge-structure 132a is, for example, continuous bulge-structure (such as Fig. 4 B) or internal projection structure 131a is, for example, continuous bulge-structure,
And outer lug structure 132a is, for example, discontinuous bulge-structure (such as Fig. 4 C).
Fig. 5 is the diagrammatic cross-section of the Wavelength converter of another embodiment of the utility model.Referring to FIG. 5, this implementation
The Wavelength converter 100b of example is similar to above-mentioned 100 structure of Wavelength converter and advantage, and difference is only that the present embodiment
Wavelength converter 100b further include the second middle dielectric layer 160, be configured at wavelength conversion layer 120 and at least a positioning region
Between 130.For example, the second middle dielectric layer 160 be configured in wavelength conversion layer 120 and internal projection structure 131/131a it
Between, or be configured between wavelength conversion layer 120 and outer lug structure 131/132a.Alternatively, as shown in figure 5, the second intermediate medium
Layer 160 is configured between wavelength conversion layer 120 and internal projection structure 131/131a, and is configured at wavelength conversion layer 120 and outer
Between bulge-structure 131/132a.In some embodiments, the material of the second middle dielectric layer 160 is for example including silica gel, epoxy
Resin etc., but the utility model is not limited to this.When Wavelength converter 100b rotation, the second middle dielectric layer 160 can be mentioned
The stability in the radial direction of wavelength conversion layer 120 is risen, the reliability of Wavelength converter 100b is increased.
Fig. 6 is the schematic diagram of the Wavelength converter of another embodiment of the utility model.Referring to FIG. 6, the present embodiment
Wavelength converter 100c is similar to above-mentioned 100 structure of Wavelength converter and advantage, below only for the main of its structure
It is illustrated at difference.In the Wavelength converter 100c of the present embodiment, wavelength conversion layer 120 includes that first wave length converts block
120a and second wave length convert block 120b.For example, first wave length conversion block 120a is, for example, to be shone by excitation beam
The block of green light is generated after penetrating, it is, for example, by the area for generating yellow light after excitation beam irradiation that second wave length, which converts block 120b,
Block, but not limited to this.Be in Fig. 6 with first wave length convert block 120a and second wave length conversion block 120b signal, however
The present embodiment is not specially limited the quantity of 120 medium wavelength of wavelength conversion layer conversion block.
In the embodiment shown in fig. 6, have between first wave length conversion block 120a and second wave length conversion block 120b
Gap S.Due to first wave length conversion block 120a and second wave length conversion block 120b be stimulated light beam irradiation generate heat,
The presence of gap S is it is possible to prevente effectively from or reduce first wave length conversion block 120a and second wave length conversion block 120b due to heat
Swollen shrinkage effect and being pressed against each other leads to the case where rupture.According to the difference of design requirement, the distance of gap S is, for example, 0.05mm
~0.5mm.In some embodiments, an at least positioning region 130 can auxiliary positioning wavelength conversion layer 120 be configured on substrate 110
Radial position, can also auxiliary positioning first wave length conversion block 120a and second wave length conversion block 120b circumferential distance,
Make the distance that gap S between the two is required.
Fig. 7 is the block schematic diagram of the projection arrangement of an embodiment of the present invention.Please refer to Fig. 7, the throwing of the present embodiment
Image device 200 includes lighting system 210, light valve 220 and projection lens 230.Lighting system 210 can provide illuminating bundle L1, light
Valve 220 is configured on the transmission path of illuminating bundle L1, and illuminating bundle L1 is converted into image strip L2, and projection lens
230 are configured on the transmission path of image strip L2, image strip L2 are projected to screen, and then form image on the screen
Picture.Light valve 220 can be perforation light-valve or optical valve in reflection type, and wherein perforation light-valve can be penetration liquid crystal surface
Plate, and optical valve in reflection type can be digital micromirror elements (Digital Micro-mirror Device, DMD), liquid crystal display
(liquid-crystal display, LCD), liquid crystal cover silicon plate (Liquid Crystal On Silicon panel, LCoS
Panel), light transmitting liquid crystal panel (Transparent Liquid Crystal Panel), electro-optic modulators (Electro-
Optical Modulator), maganeto-optic modulators (Maganeto-Optic modulator), acousto-optic light modulation (Acousto-
Optic Modulator, AOM), but not limited to this.Projection lens 230 is for example including one or more light with diopter
The combination for learning eyeglass, for example including biconcave lens, biconvex lens, concave-convex lens, meniscus, plano-convex lens and plano-concave lens
Etc. the various combinations of non-planar eyeglass.In one embodiment, projection lens 230 also may include planar wave eyeglass.This is practical
Novel kenel and its type to projection lens 230 is simultaneously without restriction.
Fig. 1 and Fig. 7 are please referred to, in the present embodiment, above-mentioned lighting system 210 includes excitation light source 211 and wavelength
Conversion equipment 100, diode (led) module of the excitation light source 211 e.g. including light emitting diode or laser diode wafer is either
The matrix as composed by more pieces of diode (led) modules, for providing excitation beam Le, but not limited to this.And Wavelength converter
100 are configured on the transmission path of excitation beam Le.Although Fig. 7 is by taking the Wavelength converter 100 of Fig. 1 as an example, wavelength turns
Changing device 100 is alternatively at the Wavelength converter of any of the above-described embodiment.
Above-mentioned excitation beam Le is radiated at the transition region 112 of Wavelength converter 100, with Wavelength converter
100 around center C rotation, excitation beam Le can be converted into commutating optical beam Lp by the wavelength conversion layer 120 of transition region 112, turn
Changing light beam Lp can further be reflected by the reflecting layer 150 of substrate 110.The wavelength of commutating optical beam Lp is different from the wave of excitation beam Le
It is long.In some embodiments, fan-shaped region 113 reflected excitation light beam Le or can make excitation beam Le pass through (in Fig. 7 fan section
Domain 113 (being shown in Fig. 1) is that the excitation beam reflected by fan-shaped region 113 is indicated with Lr by taking reflective optical devices as an example),
And it includes the commutating optical beam Lp and excitation beam Lr via fan-shaped region 113 that above-mentioned illuminating bundle L1, which is,.Lighting system 210 can
It further include other optical elements, so that illuminating bundle L1 is transferred to light valve 220.Illumination system is further illustrated below in conjunction with attached drawing
System 210 specific implementation aspects, but the specific framework of the lighting system of the utility model be not limited to it is set forth below for embodiment.
Fig. 8 is the schematic diagram of the lighting system of the projection arrangement of an embodiment of the present invention.Fig. 7 and Fig. 8 is please referred to, this
The lighting system 210 of embodiment may also include other than including above-mentioned excitation light source 211 and Wavelength converter 100
Light combination element 212, filter wheel (filterwheel) 215, light uniformization element 216 and collector lens 217, wherein light uniformization
Element 216 can be optical integration pillar, but not limited to this.
In some embodiments, light combination element 212 is configured between excitation light source 211 and Wavelength converter 100, and is wrapped
Color separation portion 213 and reflecting part 214 are included, wherein color separation portion 213 is adjacent with reflecting part 214, and color separation portion 213 is for allowing exciting light
Beam Le, Lr penetrate and reflect commutating optical beam Lp, and reflecting part 214 can reflected excitation light beam Le, Lr and commutating optical beam Lp.Collector lens
217 are configured between light combination element 212 and Wavelength converter 100, can converge excitation beam Le, the excitation beam Le through converging
It is incident to Wavelength converter 100.In this embodiment, collector lens 217, which can also converge, is wavelength-converted the reflection of device 100
Commutating optical beam Lp and excitation beam Lr.The excitation beam Le that excitation light source 211 provides penetrates the color separation portion 213 of light combination element 212
And it is transferred to Wavelength converter 100, and the commutating optical beam Lp and excitation beam Lr that reflect from Wavelength converter 100 can be transmitted
To light combination element 212.Excitation beam Lr can be reflected by the reflecting part 214 of light combination element 212 and sequentially pass through filter wheel 215 and light
Uniformization element 216.Commutating optical beam Lp can be reflected by the reflecting part 214 of light combination element 212 and color separation portion 213 and sequentially pass through filter
Halo 215 and light uniformization element 216.Therefore, the illuminating bundle L1 that lighting system 210 provides includes commutating optical beam Lp and excitation
Light beam Lr.
In conclusion Wavelength converter includes convex in the wavelength convert wheel and projection arrangement of the utility model embodiment
It, can be by positioning region by wavelength when wavelength conversion layer is set on substrate for an at least positioning region on the surface of substrate
Conversion layer is positioned at desired locations, with effectively avoid or reduce wavelength conversion layer on substrate generate sliding the case where.In addition, fixed
Position portion protrudes from the surface of substrate, can increase the surface area of substrate and auxiliary generates flow-disturbing, facilitate improving heat radiation efficiency, together
When, positioning region can also promote the adhesion between wavelength conversion layer and substrate.
Only as described above, the only preferred embodiment of the utility model, when the utility model cannot be limited with this
The range of implementation, i.e., all simple equivalence changes made according to the utility model claims book and utility model content with repair
Change, all still belongs in the range that the utility model patent covers.In addition, any embodiment or claim of the utility model are not necessary to
Reach the disclosed whole purpose of the utility model or advantage or feature.In addition, abstract and utility model title be intended merely to it is auxiliary
It helps patent document retrieval to be used, not is used to limit the interest field of the utility model.In addition, this specification or claims
In refer to " first ", the terms such as " second " are only to name the title or the different embodiments of difference or model of element (element)
It encloses, and is not used to the quantitative upper limit of restriction element or lower limit.
Description of symbols:
100,100a, 100b, 100c: Wavelength converter
110: substrate
111: surface
112: transition region
113: fan-shaped region
1121: inner edge
1122: outer rim
120: wavelength conversion layer
120a: first wave length converts block
120b: second wave length converts block
121: bottom surface
122: top surface
130: positioning region
131,131a: internal projection structure
132,132a: outer lug structure
140: the first middle dielectric layers
150: reflecting layer
160: the second middle dielectric layers
200: projection arrangement
210: lighting system
211: excitation light source
212: light combination element
213: color separation portion
214: reflecting part
215: filter wheel
216: light uniformization element
217: collector lens
220: light valve
230: projection lens
C: center
CH: central through hole
D1, D2: distance
H: height
H1: first distance
H2: second distance
L1: illuminating bundle
L2: image strip
Le: excitation beam
Lp: commutating optical beam
Lr: the excitation beam reflected
S: gap.
Claims (20)
1. a kind of Wavelength converter, which is characterized in that the Wavelength converter includes substrate, wavelength conversion layer and at least
One positioning region, in which:
The substrate has surface；
The wavelength conversion layer is set on the surface of the substrate, and occupies the transition region of the substrate；And
An at least positioning region is set on the substrate and protrudes from the surface, and an at least positioning portion is located at described
At the inside of transition region and at least one of them in outside.
2. Wavelength converter according to claim 1, which is characterized in that an at least positioning region includes along described turn
Change an at least internal projection structure for the inside setting in region.
3. Wavelength converter according to claim 2, which is characterized in that an at least internal projection structure includes continuous
Bulge-structure, multiple discontinuous bulge-structures or combinations thereof.
4. Wavelength converter according to claim 1, which is characterized in that an at least positioning region includes along described turn
Change an at least outer lug structure for the outside setting in region.
5. Wavelength converter according to claim 4, which is characterized in that an at least outer lug structure includes continuous
Bulge-structure, multiple discontinuous bulge-structures or combinations thereof.
6. Wavelength converter according to claim 2, which is characterized in that described at least the one of an at least positioning region
The distance between internal projection structure and the wavelength conversion layer are in the range of 0mm~0.5mm.
7. Wavelength converter according to claim 4, which is characterized in that described at least the one of an at least positioning region
The distance between outer lug structure and the wavelength conversion layer are in the range of 0mm~0.5mm.
8. Wavelength converter according to claim 1, which is characterized in that the wavelength conversion layer includes that first wave length turns
Block and second wave length conversion block are changed, between having between the first wave length conversion block and second wave length conversion block
Gap, the distance in the gap is in the range of 0.05mm~0.5mm.
9. Wavelength converter according to claim 1, which is characterized in that the surface of the substrate and the wavelength
There is first distance, the surface of the substrate and the top surface of the wavelength conversion layer have second between the bottom surface of conversion layer
Distance, the height on the surface of at least positioning region relative to the substrate are greater than the first distance, and be less than or
Equal to the second distance.
10. Wavelength converter according to claim 9, which is characterized in that the height of an at least positioning region
More than or equal to the average value of the first distance and the second distance.
11. Wavelength converter according to claim 1, which is characterized in that it further include the first middle dielectric layer, configuration
Between the surface and the wavelength conversion layer of the substrate.
12. Wavelength converter according to claim 11, which is characterized in that further include reflecting layer, be configured at described
Between surface and first middle dielectric layer.
13. Wavelength converter according to claim 12, which is characterized in that the reflecting layer includes metal-coated membrane, plating
Dielectric film or combinations thereof.
14. Wavelength converter according to claim 12, which is characterized in that the reflecting layer includes multiple diffusing reflection grains
Son and solid, the multiple diffusing reflection particle are mixed in the solid.
15. Wavelength converter according to claim 14, which is characterized in that the multiple diffusing reflection particle includes dioxy
Change titanium particle, silicon dioxide granule, aluminium oxide particles, boron nitride particles, zirconium dioxide particle or combinations thereof.
16. Wavelength converter according to claim 1, which is characterized in that it further include the second middle dielectric layer, configuration
Between the wavelength conversion layer and an at least positioning region.
17. a kind of projection arrangement, which is characterized in that the projection arrangement includes lighting system, light valve and projection lens, the photograph
Bright system is for providing illuminating bundle, and the light valve is configured on the transmission path of the illuminating bundle, by the illumination light
Beam is converted into image strip, and the projection lens is configured on the transmission path of the image strip, wherein the lighting system
Including excitation light source and Wavelength converter, in which:
The excitation light source provides excitation beam；And
The Wavelength converter includes substrate, wavelength conversion layer and an at least positioning region, in which:
The substrate has a surface；
The wavelength conversion layer is set on the surface of the substrate, and occupies the transition region of the substrate；And
An at least positioning region is set on the substrate and protrudes from the surface, and an at least positioning portion is located at described
At the inside of transition region and at least one of them in outside, wherein the Wavelength converter is configured at the excitation beam
Transmission path on, the wavelength conversion layer of the Wavelength converter is used to the excitation beam being converted into conversion light
Beam, the illuminating bundle include the commutating optical beam and the excitation beam.
18. projection arrangement according to claim 17, which is characterized in that the surface of the substrate and the wavelength turn
Changing has first distance between the bottom surface of layer, the top surface of the surface of the substrate and the wavelength conversion layer have second away from
From the height on the surface of at least positioning region relative to the substrate is greater than the first distance, and is less than or waits
In the second distance.
19. projection arrangement according to claim 17, which is characterized in that the Wavelength converter further includes among first
Dielectric layer is configured between the surface and the wavelength conversion layer of the substrate.
20. projection arrangement according to claim 19, which is characterized in that the Wavelength converter further includes reflecting layer,
It is configured between the surface and first middle dielectric layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330457.7U CN209525553U (en) | 2019-03-15 | 2019-03-15 | Wavelength converter and projection arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330457.7U CN209525553U (en) | 2019-03-15 | 2019-03-15 | Wavelength converter and projection arrangement |
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| CN209525553U true CN209525553U (en) | 2019-10-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967303A (en) * | 2021-02-26 | 2022-08-30 | 中强光电股份有限公司 | Wavelength conversion device, manufacturing method thereof and projector |
| US11454872B2 (en) * | 2020-05-29 | 2022-09-27 | Coretronic Corporation | Wavelength conversion element and projection apparatus |
| US11714344B2 (en) | 2020-12-24 | 2023-08-01 | Coretronic Corporation | Wavelength conversion module and projector |
-
2019
- 2019-03-15 CN CN201920330457.7U patent/CN209525553U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11454872B2 (en) * | 2020-05-29 | 2022-09-27 | Coretronic Corporation | Wavelength conversion element and projection apparatus |
| US11714344B2 (en) | 2020-12-24 | 2023-08-01 | Coretronic Corporation | Wavelength conversion module and projector |
| CN114967303A (en) * | 2021-02-26 | 2022-08-30 | 中强光电股份有限公司 | Wavelength conversion device, manufacturing method thereof and projector |
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