CN205608228U - Light source device - Google Patents
Light source device Download PDFInfo
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- CN205608228U CN205608228U CN201620008574.8U CN201620008574U CN205608228U CN 205608228 U CN205608228 U CN 205608228U CN 201620008574 U CN201620008574 U CN 201620008574U CN 205608228 U CN205608228 U CN 205608228U
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- colour wheel
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- wheel substrate
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Abstract
The utility model provides a light source device, includes excitation light source and wavelength conversion colour wheel subassembly, excitation light source output exciting light incides in wavelength conversion colour wheel subassembly, wavelength conversion colour wheel subassembly includes the colour wheel base plate of disc, and the colour wheel base plate is including being located its surperficial first region, second district and third region, and the first region is used for receiving the exciting light to this exciting light is passed through or reflected, the second district is used for receiving the exciting light to it receives laser emission to convert it into, the third region is arranged in filtering light and the transmitted light who receives the laser specific wavelength, and the surface that the colour wheel base plate lies in the third region is equipped with and is used for filtering the optical filtering diaphragm that receives laser, and the colour wheel substrate surface is equipped with the fretwork of agreeing with mutually with the diaphragm appearance that filters and windows, is used for the transmission receive laser. The utility model discloses make luminous colour wheel and the integration of optical filtering colour wheel on same colour wheel, the fretwork is windowed and is heated and produces deformation and play and necessarily slow down the effect the colour wheel base plate, and avoid receiving the thermal deformation and the luminous diaphragm that results in damages.
Description
Technical field
The application relates to a kind of optical instrument, particularly relates to a kind of light supply apparatus.
Background technology
Fluorescent material has been widely used in laser instrument and LED (Light Emitting as optical wavelength conversion material
Diode, light emitting diode) in light source.At present, blue laser excites the colour wheel of high speed rotating can effectively solve the problem that
Fluorescent material heating quencher problem and the laser display of high efficiency, low cost is become a reality, be developing progressively into
One of mainstream technology of laser instrument.
The wavelength converting structure of existing color block component is mainly illuminating module, and illuminating module is mainly included in colour wheel
Reflector layer that substrate surface is sequentially prepared and luminescent layer.By the irradiation luminous module of incident color light thus inspire
The Stimulated Light of different wave length, is reflexing to optical filtering membrane surface by dichroic mirror, through optical filtering diaphragm correction
The Stimulated Light of rear output fixed wave length.Wherein, optical filtering diaphragm is generally arranged at and luminous colour wheel coaxial rotating
On optical filtering colour wheel, and in order to reach filter effect, the size of luminous colour wheel cannot ultra-filtration light colour wheel, make
The structure obtaining luminous colour wheel is restricted, and affects the development space of product.
Utility model content
This utility model provides a kind of light supply apparatus, call on solve the output of existing color block component monochromatic light road lose into
The problem penetrating light path.
A kind of light supply apparatus, including excitation source and wavelength convert color block component, the output of described excitation source
Exciting light is incident in wavelength convert color block component；Described wavelength convert color block component includes discoidal colour wheel base
Plate, wherein, described colour wheel substrate includes the firstth district and the secondth district being positioned at its surface, described firstth district and
2nd district are to be positioned at same circumference on described colour wheel substrate and the identical circular arc region of curvature；Described firstth district uses
In receiving described exciting light, and this exciting light of transmission or reflection；Described secondth district is used for receiving described exciting light,
And it is converted into Stimulated Light-emission；Described colour wheel substrate also includes the 3rd district being positioned at its surface, described
3rd district are positioned at circular arc region circumferentially distributed along it on described colour wheel substrate, described 3rd place, district described
The surface of colour wheel substrate is provided with optical filtering diaphragm and hollow out is windowed, and described optical filtering diaphragm and described hollow out are windowed profile
Agreeing with mutually, described 3rd district is for filtering light the transmitted ray of specific wavelength in Stimulated Light.
Described a kind of light supply apparatus, wherein, described firstth district and the secondth district are positioned at outside described colour wheel substrate
Circumference；Described 3rd district is positioned at the inner periphery of colour wheel substrate.
Described light supply apparatus, wherein, the colour wheel substrate surface in described secondth district is coated with luminous diaphragm, institute
State luminous diaphragm and inspire the Stimulated Light of different wave length for accepting excitation light irradiation, be concurrently incident upon correspondence
Optical filtering module.
Described light supply apparatus, wherein, described luminous diaphragm and corresponding optical filtering diaphragm are positioned at colour wheel base
On plate in same sector region with colour wheel substrate center of rotation as the center of circle, or lay respectively at relative colour wheel substrate
In two sector regions that center of rotation is centrosymmetric.
Described light supply apparatus, wherein, described optical filtering diaphragm is arranged at described colour wheel substrate surface and covers institute
State hollow out to window；Or described optical filtering diaphragm is embedded in the internal corresponding described hollow out of described colour wheel substrate and windows place.
Described light supply apparatus, wherein, described luminous diaphragm includes contacting the luminescent film sheet basic unit of colour wheel substrate,
And deviate from reflecting layer and the luminescent layer that described colour wheel substrate is sequentially distributed；
Described luminescent layer includes inorganic light emitting layers and organic luminous layer.
Fluorescent material contained by described inorganic light emitting layers is longer relative to the wavelength that fluorescent material contained by organic luminous layer sends；
Described luminescent film sheet basic unit is ceramic layer.
Described light supply apparatus, wherein, described colour wheel substrate is sapphire substrate.
Described light supply apparatus, wherein, the center of rotation of described luminous diaphragm the most described colour wheel substrate in
What the heart was symmetrical arranges two；Corresponding, the center of rotation pair of described optical filtering diaphragm the most described colour wheel substrate
Claim arranges two.
Described light supply apparatus, wherein, described first surface, district is the engraved structure passed for exciting light.
Described light supply apparatus, wherein, described first surface, district is coated with the reflective membrane for reflected excitation light
Sheet.
Novel wavelength convert color block component given by this utility model and projection arrangement, by colour wheel substrate table
Face is offered the hollow out suitable with the diaphragm that filters and is windowed so that luminous colour wheel is incorporated into of the same colour with optical filtering colour wheel
On wheel, meanwhile, hollow out is windowed and colour wheel basal plate heated produces deformation is played and necessarily slow down effect；Colour wheel base
Plate surface configuration the firstth district, while output Stimulated Light, it is possible to output exciting light；Luminous diaphragm and colour wheel
The one side of substrate contact is provided with thinks close ceramic layer with the sapphire substrate deformation nature that is heated so that luminescent film
It is heated evenly bottom sheet, it is to avoid the luminous diaphragm that inequality of being heated causes or caused by thermal deformation damages.
Accompanying drawing explanation
Fig. 1 is in this utility model embodiment one, and the region of wavelength convert color block component divides schematic diagram；
Fig. 2 (a)～(b) are in this utility model embodiment one, the structural representation of wavelength convert color block component；
Fig. 3 is in this utility model embodiment one, the internal structure schematic diagram of the first luminous diaphragm；
Fig. 4 is in this utility model embodiment one, the internal structure schematic diagram of the second luminous diaphragm；
Fig. 5 is in this utility model embodiment one, the structural representation of colour wheel substrate；
Fig. 6 (a)-6 (d) is in this utility model embodiment one, the assembling schematic diagram of optical filtering diaphragm；
Fig. 7 is in this utility model embodiment one, and the first luminous diaphragm and the first optical filtering diaphragm be not at same fan
During shape region, hot spot is radiated at the schematic diagram of the first luminous membrane surface；
Fig. 8 is the light path principle figure of corresponding diagram 7；
Fig. 9 is in this utility model embodiment one, and the first luminous diaphragm and the first optical filtering diaphragm are in same sector
During region, hot spot is radiated at the schematic diagram of the first luminous membrane surface；
Figure 10 is the light path principle figure of corresponding diagram 9；
Figure 11 is in this utility model embodiment one, and hot spot is radiated at the schematic diagram in the firstth district；
Figure 12 is the light path principle figure of corresponding Figure 11；
Figure 13 is in this utility model embodiment two, and the region of wavelength convert color block component divides schematic diagram；
Figure 14 is in this utility model embodiment two, the structural representation of wavelength convert color block component；
Figure 15 is in this utility model embodiment two, and hot spot is radiated at the schematic diagram in the firstth district；
Figure 16 is the light path principle figure of corresponding Figure 15.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the application is described in further detail.
Embodiment one:
A kind of projection arrangement that the present embodiment is provided, as shown in Figure 8, including for launching swashing of exciting light
Luminous source, this excitation source is laser instrument 510；It is arranged at the wavelength convert color block component below laser instrument 510,
This color block component accepts excitation light irradiation, and is converted into the Stimulated Light light path output of multiple different wave length；Arrange
The first collecting lens 610 in Stimulated Light output light path, the first collecting lens 610 is used for collecting color block component
The Stimulated Light launched.The second collecting lens 620 being arranged in exciting light output light path, the second collecting lens
620 are used for collecting exciting light；Also include the motor 210 for driving color block component to rotate.
Further, as it is shown in figure 1, wavelength convert color block component includes discoidal colour wheel substrate 110, color
Wheel substrate 110 surface includes the first district 11 and the second district 12, and the first district 11 and the second district 12 are for being positioned at colour wheel
Substrate 110 excircle and the identical circular arc region of curvature, i.e. the first district 11 and the second common shape in district 12
Become around the colour wheel substrate 110 outer rim circular annular region of a week；First district 11 launches for transmission laser device 510
Exciting light；Second district 12 is used for accepting excitation light irradiation, and is converted into Stimulated Light-emission；Colour wheel base
Plate 110 surface is additionally provided with the 3rd district 13, and the 3rd district 13 is positioned at colour wheel substrate 110 inner circumferential surface, and along it
Circumferentially distributed circular arc region, the 3rd district 13 should for the light transmission filtering specific wavelength in Stimulated Light
Light, colour wheel substrate 110 surface at the 3rd place, district 13 is provided with the optical filtering diaphragm for filtering Stimulated Light and engraves
Sky is windowed, and hollow out is windowed and filter coating sheet profile is agreed with mutually, is circular arc.What filtered diaphragm filtered is subject to
In laser, the light path of specific wavelength is windowed through hollow out and is set injection.In the present embodiment, inner periphery and excircle are
Determining according to its radius on disc colour wheel substrate, the radius of inner periphery is less than excircle radius.
It is also preferred that the left the first district 11 is distributed in colour wheel substrate 110 excircle separately with the second district 12, the 3rd
District 13 and the second district 12 are positioned at the same sector region with colour wheel substrate 110 center of rotation as the center of circle, and two
Person has identical circular arc curvature.First surface, district 11 is coated with luminous diaphragm, and the second surface, district 12 is circle
The engraved structure of arc；Luminous diaphragm accepts excitation light irradiation, and is converted into Stimulated Light injection, engraved structure
Directly penetrate through colour wheel substrate 110 through engraved structure for exciting light.
First district 11 and the second district 12 can respectively arrange at one, it is also possible to along colour wheel substrate 110 cylindrical phase
Be spaced is respectively provided with many places.The present embodiment with the first district 11 and the second district 12 separately respectively arrange at two
As a example by be described.
As it is shown in figure 1, colour wheel substrate 110 meets light side surface along two circular arcs first with excircle distribution
District 11, between two circular arc the firstth districts 11 two the second districts 12 of distribution separately.Such as Fig. 2 (a)～(b) institute
Showing, at two, the second surface, district 12 is all covered with luminous diaphragm, and two luminous diaphragms are denoted as the first luminescent film respectively
Sheet 121 and the second luminous diaphragm 122, the first luminous diaphragm 121 and the second luminous diaphragm 122 relative colour wheel base
The center of rotation of plate 110 is symmetrical arranged.First luminous module 121 and the second luminous diaphragm 122 are along colour wheel
The circular arc of substrate 110 excircle distribution.The inner periphery of colour wheel substrate 110 is provided with the 3rd district 13 at two, often
Locate the 3rd district 13 and be equipped with an optical filtering diaphragm.Two optical filtering diaphragms, are denoted as the first optical filtering diaphragm 131 respectively
And the second optical filtering diaphragm 132, the first optical filtering diaphragm 131 and the second optical filtering diaphragm 132 are with colour wheel substrate 110
Center of rotation is the circular arc in the center of circle.First luminous diaphragm 121 and first optical filtering diaphragm 131 are positioned at colour wheel
On substrate 110 in same sector region with colour wheel substrate center of rotation as the center of circle, accordingly, second
Light diaphragm 122 and the second optical filtering diaphragm 132 are positioned on colour wheel substrate 110 with colour wheel substrate center of rotation as circle
In the same sector region of the heart.In other words, the first luminous luminous diaphragm 122, first of diaphragm 121, second
Optical filtering diaphragm 131 and the circular arc that the second optical filtering diaphragm 132 is the circle distribution along same center of circle different radii.
Wherein, the first luminous diaphragm 121 stimulated luminescence irradiates the Stimulated Light inspiring particular range of wavelengths, is reflected
After process, penetrate after being filtered by the first optical filtering diaphragm 131；Second luminous diaphragm 122 stimulated luminescence irradiates
Inspire Stimulated Light, penetrate after being filtered by the second optical filtering diaphragm 132 after reflection.That is, the first luminescent film
Sheet 121 is corresponding with the first optical filtering diaphragm 131, and the second luminous diaphragm 122 is right with the second optical filtering diaphragm 132
Should.
Further, the first luminous diaphragm 121 and the first optical filtering diaphragm 131 may be located at colour wheel substrate 110
In center of rotation is the same sector region in the center of circle, it is also possible to lay respectively at relative colour wheel substrate 110 center of circle in
In centrosymmetric two sector regions.Same, the second luminous diaphragm 122 and the second optical filtering diaphragm 132
Two kinds of different structures of the corresponding employing of position relationship.That is, when the first luminous diaphragm as shown in Fig. 2 (a)
121 and first optical filtering diaphragm 131 be positioned at the same sector region that colour wheel substrate 110 center of rotation is the center of circle
Time, the second luminous diaphragm 122 and the second optical filtering diaphragm 132 also are located at colour wheel substrate 110 center of rotation for circle
In the same sector region of the heart；As shown in Fig. 2 (b), when the first luminous diaphragm 121 and the first optical filtering diaphragm 131
When laying respectively in two sector regions that relative colour wheel substrate 110 center of circle is centrosymmetric, the second luminescent film
Sheet 122 also lays respectively at two that relative colour wheel substrate 110 center of circle is centrosymmetric with the second optical filtering diaphragm 132
In individual sector region.
Further, as it is shown on figure 3, the first luminous diaphragm 121 includes the luminescence being sequentially distributed from down to up
Diaphragm basic unit, reflecting layer 1212 and luminescent layer 1213, this luminescent film sheet basic unit is ceramic layer 1211, such as
Aluminium nitride basic unit.Reflecting layer 1212 by organic carrier doped-glass powder and alumina powder, titanium dioxide powder,
One or more high reflective white ceramic material serosity such as boron nitride powder sintering forms, and organic carrier is at sintering
During evaporated or decomposed.Luminescent layer 1213 is formed with fluorescent material sintering by organic carrier, glass dust.
During installation, ceramic layer 1211 being fixed on the surface of colour wheel substrate 110, its fixed form can be welding,
Can also be to paste.As shown in Figure 4, the second luminous diaphragm 122 includes the most successively, aluminium base 1221,
Organic reflecting layer 1222 and organic luminous layer 1223.Wherein, organic reflecting layer 1222 is anti-plus height for silica gel
Penetrate rate particle, such as the one in aluminium oxide, titanium oxide, zinc oxide, the high reflective particle of the contour refraction of barium sulfate
Or multiple preparation；Organic luminous layer 1223 is mixed fluorescent powder grain by silica gel to be prepared.In the present embodiment,
One luminous diaphragm 121 and the second luminous diaphragm 122 can also all select inorganic light-emitting diaphragm, the most all with pottery
Layer is as luminescent film sheet basic unit, with inorganic reflective layer as reflecting layer, with inorganic light emitting layers as luminescent layer；Or
First luminous diaphragm 121 and the second luminous diaphragm 122 all select organic light emission diaphragm；Can also is that inorganic
The technical scheme that light diaphragm is mixed with organic light emission diaphragm.
Further, colour wheel substrate 110 preferably sapphire substrate.The employing of the first luminous diaphragm 121
The aluminium nitride substrate 1211 of ceramic material, when the first luminous diaphragm 121 accepts excitation light irradiation and adstante febre,
Due to the thermal uniformity of ceramic material, street even heat is delivered to colour wheel substrate 110 table by aluminium nitride substrate 1211
Face, does not results in the first luminous diaphragm 121 and produces deformation because being heated inequality, additionally, due to ceramic material
The colour wheel substrate 110 of thermal coefficient of expansion and sapphire material be very close to, when color block component variations in temperature,
Will not be different due to thermal expansion deformation degree from the first luminous diaphragm 121 because of colour wheel substrate 110, and cause
Equipment damages because inside produces active force.
Further, the Stimulated Light wavelength that the luminous diaphragm that the second surface, district 12 not existed together covers is inspired
Scope there are differences, and specifically, the first luminous diaphragm 121 and the second luminous diaphragm 122 are except material-structure
Difference outside, main difference also resides in, and the phosphor wavelength that the first luminous diaphragm 121 uses is relative to the
The fluorescent material that two luminous diaphragms 122 are used is longer, such as long wavelength's bloom, and orange powder, Hydrargyri Oxydum Rubrum etc., second
The phosphor wavelength that light diaphragm 122 uses is relatively short, such as Calomelas, green powder, short wavelength's bloom etc..Because
The caloric value of long wavelength's fluorescent material is high, and the requirement to heat stability is high, so being applicable to inorganic system, and shortwave
Long fluorescent material caloric value is low, still can effectively apply in silica gel organic system, it is possible to use silica gel system with
Obtain higher light efficiency.And this utility model uses the two mode combined, by inorganic system and organism
The luminous diaphragm of system is prepared on same colour wheel substrate 110 so that projector equipment is obtained in that more light
Road exports, and strengthens drop shadow effect.
Further, as it is shown in figure 5, the 3rd surface, district 13 is provided with and agrees with the first optical filtering diaphragm 131 phase
Hollow out is windowed 131a, and the hollow out agreed with the second optical filtering diaphragm 132 phase is windowed 131b, and hollow out is windowed 131a
And 131b is the circular arc covering the 3rd territory, district 13.Its radian is preferably slightly less than the radian of optical filtering diaphragm.
In the present embodiment, the assembling windowed with hollow out of optical filtering diaphragm can take four kinds of structures.The most only with
As a example by first optical filtering diaphragm 131, illustrate the assembling process of optical filtering diaphragm.One, as shown in Fig. 6 (a), permissible
First optical filtering diaphragm 131 is covered in hollow out and windows above 131a, by the way of pasting, be fixed on colour wheel base
Plate 110 upper surface.Its two, as shown in Fig. 6 (b), the first optical filtering diaphragm 131 is pasted with under colour wheel substrate
Surface, Stimulated Light is radiated at the first optical filtering diaphragm 131 surface by the hollow out 131a that windows.Its three, such as Fig. 6 (c)
Shown in, the first optical filtering diaphragm 131 is embedded in colour wheel substrate 110 internal.At colour wheel substrate 110 upper surface
The window periphery of 131a of hollow out offers the fluting 133 for inlaying the first optical filtering diaphragm 131, the first filter coating
After sheet 131 is inlaid into fluting 710, just keep and colour wheel substrate 110 flush, then at surrounding gap
Fill viscose to fix.They are four years old, it is also possible to as shown in Fig. 6 (d), fluting 133 is arranged at colour wheel substrate
The lower surface of 110, uses mode ibid to inlay the first optical filtering diaphragm 131.Above four kinds of assembling modes,
All can realize the assembling of optical filter and colour wheel substrate 110.
Offer hollow out by employing on surface, colour wheel substrate 110 the 3rd district 13 to window, and optical filter is not scheduled on
Surface that hollow out is windowed or be embedded in structure therein design, can either realize optical filtering colour wheel and close with luminous colour wheel
Become on same colour wheel substrate, meanwhile, offer hollow out on colour wheel substrate 110 surface and window, effectively delay
Colour wheel substrate adstante febre, the problem causing substrate deformation owing to expanding with heat and contract with cold, and beneficially colour wheel substrate are solved
Heat radiation.
Further, the first surface, district 11 in the present embodiment is the engraved structure of circular arc.Specifically, as
Shown in Fig. 5, the first surface, district 11 between adjacent two the luminous diaphragms of colour wheel substrate 110 excircle is provided with
Engraved structure 111a and engraved structure 111b, engraved structure 111a and engraved structure 111b are relative to colour wheel base
What plate 110 center of rotation was centrosymmetric is distributed in colour wheel substrate 110 both sides.This engraved structure 111a and 111b
It is preferable to provide the circular arc for agreeing with colour wheel substrate 110 cylindrical phase, is available for Stimulated Light and extends there through.
This engraved structure 111a and engraved structure 111b is the laser output area passing rear output for exciting light.
The work process of light supply apparatus in elaboration the present embodiment in detail below, one, the situation as shown in Fig. 2 (a),
It is center that first luminous diaphragm 121 and the first optical filtering diaphragm 131 lay respectively at both sides, colour wheel substrate 110 center of circle
Symmetrical sector region: as it is shown in fig. 7, when the hot spot 2 of exciting light 310 falls at the first luminous diaphragm 121
During surface, as shown in Figure 8, exciting light 310 is radiated at first through binomial color mirror 410 to its light path principle
Light diaphragm 121 surface, the generation of the first luminous diaphragm 121 and the Stimulated Light 320 of exciting light 310 different wave length,
Stimulated Light 320 is radiated at and the first luminous diaphragm 121 after binomial color mirror 410 and binomial color mirror 420 reflect
The first optical filtering diaphragm 131 surface in the sector region that place sector region is centrosymmetric, the first filter coating
Sheet 131 allows the light of specific wavelength to pass through, and the Stimulated Light of the first optical filtering diaphragm 131 transmission is by the first receipts
Collection lens 610 export after converging.
Its two, the situation as shown in Fig. 2 (b), the i.e. first luminous diaphragm 121 and the first optical filtering diaphragm 131
It is positioned at the same sector region of colour wheel substrate 110, as it is shown in figure 9, when the hot spot 2 of exciting light 310 falls
During the first luminous diaphragm 121 surface, as shown in Figure 10, exciting light 310 is through binomial color mirror for its light path principle
410 when being radiated at the first luminous diaphragm 121 surface, and the generation of the first luminous diaphragm 121 is with exciting light 310 not
The Stimulated Light 320 of co-wavelength, Stimulated Light 320, after binomial color mirror 410 and binomial color mirror 420 reflect, is irradiated
On the first optical filtering diaphragm 131 surface being positioned at same sector region with the first luminous diaphragm 121, first filters
Diaphragm 131 allows the light of specific wavelength to pass through, and the Stimulated Light of the first optical filtering diaphragm 131 transmission passes through first
Collecting lens 610 exports after converging.
Wherein, binomial color mirror 410 between the luminous diaphragm 121 of laser instrument 510 and first, binomial color mirror
420 are positioned at above the second luminous diaphragm 131, and are oppositely arranged in the same horizontal line with binomial color mirror 410.
Preferably, exciting light 310 is blue light, and binomial color mirror 410 zone line is the region of transmission blue light, surrounding
For total reflection minute surface.
When luminous diaphragm 122 surface of excitation light irradiation second, its light path principle be radiated at the first luminescent film
During sheet 121 surface identical, here is omitted.
When the hot spot of exciting light 310 is radiated at the firstth district 11, as shown in figure 11, the light of exciting light 310
Speckle is radiated at engraved structure 111a (or 111b) surface on colour wheel substrate 110 surface by binomial color mirror 410,
As shown in figure 12, exciting light 310 passes through through engraved structure 111a and is arranged on engraved structure its light path principle
Export after the second collecting lens 620 optically focused below 111a.
Embodiment two:
Projection arrangement given by the present embodiment is to be improved on the basis of embodiment one, as shown in figure 13,
In the present embodiment, wavelength convert color block component includes discoidal colour wheel substrate 110, colour wheel substrate 110 surface
Including the first district 11 and the second district 12, the first district 11 and the second district 12 are for being positioned at colour wheel substrate 110 excircle
And the circular arc region that curvature is identical, i.e. the first district 11 and the second district 12 are collectively forming around colour wheel substrate 110
The outer rim circular annular region of a week；The exciting light that first district 11 launches for reflection laser 510, and pass through
After multiple reflections, exciting light is exported；Second district 12 is used for accepting excitation light irradiation, and is converted into and is excited
Light emission；Colour wheel substrate 110 surface is additionally provided with the 3rd district 13, and the 3rd district 13 is positioned at colour wheel substrate 110 inner circle
Perimeter surface, and along the circular arc region of its circle distribution, the 3rd district 13 is used for filtering specific wavelength in Stimulated Light
Light and this light of transmission, colour wheel substrate 110 surface in the 3rd district 13 is provided with the filter for filtering Stimulated Light
Light diaphragm, colour wheel substrate 110 surface is provided with hollow out and windows, and hollow out is windowed and filter coating sheet profile is agreed with mutually,
Filtered diaphragm filter Stimulated Light in specific wavelength light path through hollow out window set injection the first district 11 for
Launch exciting light, thus export excitation light path.
Specifically, as shown in figure 14, at two between adjacent two the luminous diaphragms of colour wheel substrate 110 excircle
First surface, district 11 is coated with retroreflective sheeting 112a and retroreflective sheeting 112b, retroreflective sheeting 112a and reflective membrane
Sheet 112b is distributed in colour wheel substrate 110 both sides relative to what colour wheel substrate 110 center of rotation was centrosymmetric,
And with the first luminous diaphragm 121 and the second luminous diaphragm 122 setting separately.Retroreflective sheeting 112a and 112b
Paste the surface at colour wheel substrate 110.Retroreflective sheeting 112a and 112b is for being respectively overlay in two the firstth districts
The circular arc laminated structure on 11 surfaces.For comparing embodiment one, theing improvement is that of the present embodiment, the
One district 11 by cover its surface retroreflective sheeting 112a and the engraved structure 111a of 112b alternate embodiment one and
111b。
In the present embodiment, the preparation process of color block component is, first, on colour wheel substrate 110 surface, preparation is used
Windowing 13a and 13b in the hollow out inlaying optical filtering diaphragm, then at hollow out windows 13a and 13b, assembling filters
Diaphragm, installs the first luminous diaphragm 121 and the second luminous diaphragm 122 according still further to the mode described in embodiment one,
Finally retroreflective sheeting 112a and 112b is separately fixed at the first surface, district 11 at two, thus forms Figure 14
Shown color block component.
Light supply apparatus given by the present embodiment, the exciting light 310 sent when laser instrument 510 passes through dichroic
When mirror 430 is irradiated on retroreflective sheeting, as shown in figure 15, as a example by hot spot falls on retroreflective sheeting 112a,
When the hot spot 2 of exciting light is radiated at retroreflective sheeting 112a surface, its light path principle as shown in figure 16, excites
Light 310 is after the diffuse-reflectance of retroreflective sheeting 112a, and the reflection light 330 of generation is by being arranged on laser instrument 510
And after dichroic mirror 430 reflection between retroreflective sheeting 112a, directive dichroic mirror 440.Dichroic mirror 440
Center is set to the transparent region allowing this reflection light 330 to pass through, and so, binomial color mirror 440 penetrates
Reflection light 330 by after the second collecting lens 620 optically focused export.Reflection diaphragm 112a and 112b is diffuse-reflectance
Diaphragm, the luminous reflectance of in the future self-excitation light source can become the light in lambertian distribution, so can dissipate laser
Plate, improves the uniformity of output light.
It is also preferred that the left exciting light 310 is blue light, binomial color mirror 430 zone line is the region of transmission blue light,
Surrounding is total reflection minute surface, binomial color mirror 440 transmission blue light.Second collecting lens 620 is arranged on binomial color
On the extended line of mirror 430 and 440 place straight line.The light path principle of the present embodiment Stimulated Light and a upper embodiment
Identical, again repeat no more.
In the present embodiment, binomial color mirror arrange position and quantity can also be according to actual feelings depending on, as can root
Adjust the reflection angle of binomial color mirror according to the position of output light path and direction or increase more binomial color mirror thus
Control outgoing position and the angle of light path.
Additionally, in the present embodiment, the first luminous diaphragm 121 and the first optical filtering diaphragm 131 may be located at colour wheel
In substrate 110 center of rotation is the same sector region in the center of circle, it is also possible to lay respectively at relative colour wheel substrate 110
In two sector regions that the center of circle is centrosymmetric.Same, the second luminous diaphragm 122 and the second filter coating
Two kinds of different structures of the corresponding employing of position relationship of sheet 132.That is, when first as shown in Fig. 2 (a)
Light diaphragm 121 and the first optical filtering diaphragm 131 are positioned at the same sector that colour wheel substrate 110 center of rotation is the center of circle
Time in region, the second luminous diaphragm 122 and the second optical filtering diaphragm 132 also are located in colour wheel substrate 110 rotation
In the heart is the same sector region in the center of circle；As shown in Fig. 2 (b), when the first luminous diaphragm 121 and the first filter coating
When sheet 131 lays respectively in two sector regions that relative colour wheel substrate 110 center of circle is centrosymmetric, second
It is center pair that luminous diaphragm 122 also lays respectively at relative colour wheel substrate 110 center of circle with the second optical filtering diaphragm 132
In two sector regions claimed.
Novel wavelength convert color block component given by this utility model and projection arrangement, by colour wheel substrate table
Face is offered the hollow out suitable with the diaphragm that filters and is windowed so that luminous colour wheel is incorporated into of the same colour with optical filtering colour wheel
On wheel, meanwhile, hollow out is windowed and colour wheel basal plate heated produces deformation is played and necessarily slow down effect；Colour wheel base
Plate surface configuration the firstth district, while output Stimulated Light, it is possible to output exciting light；Luminous diaphragm and colour wheel
The one side of substrate contact is provided with thinks close ceramic layer with the sapphire substrate deformation nature that is heated so that luminescent film
It is heated evenly bottom sheet, it is to avoid the luminous diaphragm that inequality of being heated causes or caused by thermal deformation damages.
Above content is to combine the further description that the application is made by specific embodiment, it is impossible to recognize
Determine the application be embodied as be confined to these explanations.Ordinary skill for the application art
For personnel, on the premise of conceiving without departing from the present application, it is also possible to make some simple deductions or replace
Change.
Claims (10)
1. a light supply apparatus, including excitation source and wavelength convert color block component, the exciting light of described excitation source output is incident in wavelength convert color block component；Described wavelength convert color block component includes discoidal colour wheel substrate, it is characterized in that, described colour wheel substrate includes the firstth district and the secondth district being positioned at its surface, and described firstth district and the secondth district are to be positioned at same circumference on described colour wheel substrate and the identical circular arc region of curvature；Described firstth district is used for receiving described exciting light, and this exciting light of transmission or reflection；Described secondth district is used for receiving described exciting light, and is converted into Stimulated Light-emission；
Described colour wheel substrate also includes the 3rd district being positioned at its surface, described 3rd district is positioned at circular arc region circumferentially distributed along it on described colour wheel substrate, the surface of the described colour wheel substrate at described 3rd place, district is provided with optical filtering diaphragm and hollow out is windowed, described optical filtering diaphragm and described hollow out profile of windowing is agreed with mutually, and described 3rd district is for filtering light the transmitted ray of specific wavelength in Stimulated Light.
2. light supply apparatus as claimed in claim 1, it is characterised in that described firstth district and the secondth district are positioned at the excircle of described colour wheel substrate；Described 3rd district is positioned at the inner periphery of colour wheel substrate.
3. light supply apparatus as claimed in claim 2, it is characterised in that the colour wheel substrate surface in described secondth district is coated with luminous diaphragm, described luminous diaphragm inspires the Stimulated Light of different wave length for accepting excitation light irradiation, is concurrently incident upon the optical filtering module of correspondence.
4. light supply apparatus as claimed in claim 3, it is characterized in that, described luminous diaphragm and corresponding optical filtering diaphragm are positioned on colour wheel substrate the same sector region with colour wheel substrate center of rotation as the center of circle, or lay respectively in two sector regions that relative colour wheel substrate center of rotation is centrosymmetric.
5. light supply apparatus as claimed in claim 1, it is characterised in that described optical filtering diaphragm is arranged at described colour wheel substrate surface and covers described hollow out and window；Or described optical filtering diaphragm is embedded in the internal corresponding described hollow out of described colour wheel substrate and windows place.
6. light supply apparatus as claimed in claim 3, it is characterised in that described luminous diaphragm includes contacting the luminescent film sheet basic unit of colour wheel substrate, and deviates from reflecting layer and the luminescent layer that described colour wheel substrate is sequentially distributed；Described luminescent film sheet basic unit is ceramic layer.
7. light supply apparatus as claimed in claim 1, it is characterised in that described colour wheel substrate is sapphire substrate.
8. the light supply apparatus as described in as arbitrary in claim 3,4 or 6, it is characterised in that what the center of rotation of described luminous diaphragm the most described colour wheel substrate was centrosymmetric arranges two；What the center of rotation of described optical filtering diaphragm the most described colour wheel substrate was symmetrical arranges two.
9. the light supply apparatus as described in claim 1-7 is arbitrary, it is characterised in that described first surface, district is engraved structure, for transmission exciting light.
10. the light supply apparatus as described in claim 1-7 is arbitrary, it is characterised in that described first surface, district is coated with the retroreflective sheeting for reflected excitation light.
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| CN201620008574.8U CN205608228U (en) | 2016-01-05 | 2016-01-05 | Light source device |
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| CN201620008574.8U CN205608228U (en) | 2016-01-05 | 2016-01-05 | Light source device |
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| CN205608228U true CN205608228U (en) | 2016-09-28 |
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