CN104914658B - A kind of light supply apparatus and projection arrangement - Google Patents

Abstract

The invention provides a kind of light supply apparatus and there is the projection arrangement of light supply apparatus, light supply apparatus, including, light source module, even smooth unit and Wavelength converter, light source module is for sending first light beam with first wave length, even smooth unit is positioned on the bang path of the first light beam, to homogenize the first light beam, Wavelength converter, it is positioned on the bang path of the first light beam after even smooth unit outgoing, wherein, this even smooth unit is the array of multiple lens composition, each lens of the plurality of lens have light inlet and light-emitting window, the area of this light inlet is less than the area of this light-emitting window；This light inlet of the lens that this light inlet of these each lens is adjacent has interval, the separate distribution of this light-emitting window, the shape of this light-emitting window is in curved surface, so that by the uniform intensity of the first light beam of even smooth unit, and has the reduction of higher capacity usage ratio beneficially system dimension.

Description

A kind of light supply apparatus and projection arrangement

Technical field

The present invention is about a kind of light supply apparatus and the projection arrangement with light supply apparatus, especially relates to one The light supply apparatus of LASER Light Source and there is the projection arrangement of LASER Light Source.

Background technology

Laser is high as a kind of brightness, monochromaticity is good, the light source of good directionality, in recent years in projection arrangement It is widely used.The quality of display image is played an important role by the lighting source of monochromatic high brightness, The performance of projection arrangement there are raising greatly, therefore, one of laser principal light source becoming projection arrangement. But, owing to the light field of laser does not generally have equally distributed light intensity, such as laser on whole cross section Gauss distribution so that laser allocation of square in illumination region is uneven.Require the highest for illumination uniformity Laser projection device, portion's uniformity of light distribution will directly influence the performance of system.

In the prior art, generally using integrating rod to realize even light, its principle realizing even light is to allow multi beam Beamlet at integrating rod inwall after multiple total reflection, at the exit superposition dimorphism uniformly light of integrating rod , thus realize even light.Due to the multiple reflections of light beam, there is bigger energy loss, so this even light Method capacity usage ratio is low；It addition, for the uniformity improving output beam, need to make order of reflection increase, The length of integrating rod increases, and therefore, is unfavorable for the reduction of system dimension.

Therefore, it is necessary to design a kind of novel light supply apparatus and there is the projection arrangement of light supply apparatus to overcome Drawbacks described above.

Summary of the invention

It is an object of the invention to provide a kind of light supply apparatus and have the projection arrangement of light supply apparatus, it can be even Change the light intensity of light beam, to improve the quality of display image.

For reaching above-mentioned purpose, the invention provides a kind of light supply apparatus, including:

Light source module, for sending first light beam with first wave length；

Even smooth unit, is positioned on the bang path of this first light beam, to homogenize this first light beam；

Wavelength converter, is positioned on the bang path of this first light beam after this even smooth unit outgoing；

Wherein, this even smooth unit be multiple lens composition array, each lens of the plurality of lens have into Light mouth and light-emitting window, the area of this light inlet is less than the area of this light-emitting window；This light inlet of these each lens This light inlet of the lens being adjacent has interval, the separate distribution of this light-emitting window, the shape of this light-emitting window Shape is in curved surface, and this first light beam that this light source module produces is incident by this light inlet of the plurality of lens, and by This light-emitting window of the plurality of lens penetrates to this Wavelength converter；The central shaft of these each lens is parallel to this The optical axis of the first light beam.

It is also preferred that the left this light-emitting window is circular or regular polygon in the orthographic projection of the first plane, wherein this first Plane is perpendicular to the optical axis of this first light beam.

It is also preferred that the left this light-emitting window in orthographic projection and this light inlet of this first plane in the just throwing of this first plane The shape of shadow is identical, and this light-emitting window covers this light inlet in this first plane in the orthographic projection of this first plane Orthographic projection.

It is also preferred that the left the local evagination of the close central shaft of this light-emitting window, shape is convex.

It is also preferred that the left in the plurality of lens, the justified margin of this light-emitting window of adjacent lens contacts, so that this is even The compact conformation of light unit.

It is also preferred that the left the plurality of lens use binding agent carry out even between the edge of this light-emitting window of adjacent lens Connect.

It is also preferred that the left the array of the plurality of lens uses rectangular arranged, hexagonal array or the combination of triarray Mode.

It is also preferred that the left this light source module includes:

First LASER Light Source, for launching first laser beam with first wave length；And

First light concentrating components, for assembling to form this first light beam to this first laser beam；

Or, this light source module includes:

First LASER Light Source, for launching first laser beam with first wave length；

Second LASER Light Source, for launching second laser beam with first wave length；

Transflective optical element, is positioned in the light path of this first laser beam and this second laser beam, For reflecting this first laser beam and this second laser beam of transmission；

First light concentrating components, for assembling the light beam through this Transflective optical element outgoing with shape Become this first light beam.

It is also preferred that the left light source module farther includes reflecting element, this reflecting element be used for receiving and reflect this One light beam is so that its optical axis changes 90 degree.

It is also preferred that the left also include LED light source module, this LED light source module includes:

First LED light source, for launching first LED beam with first wave length；

3rd light concentrating components, is used for receiving and assemble this first LED beam；

Second LED light source, for launching second LED beam with first wave length；

4th light concentrating components, is used for receiving and assemble this second LED beam；

First total internal reflection lens, this first LED beam assembled through the 3rd light concentrating components for transmission and Reflect this second LED beam assembled through the 4th light concentrating components, form the 5th light beam to merge.

It is also preferred that the left Wavelength converter is for receiving this first light beam through this even smooth unit, wavelength convert Device includes transmission region and the first transition region, and when this first light beam incides this transmission region, should First light beam penetrates this transmission region, when this first light beam incides this first transition region, and this first turn Changing field emission and go out to have the second light beam of second wave length, wherein, this transparent area is different from this first switch region Territory.

It is also preferred that the left this Wavelength converter is rotatable colour wheel, this first transition region of this colour wheel is arranged Having fluorescent material, after this first light beam is incident to this first transition region, this first transition region produces second Light beam.

It is also preferred that the left this light supply apparatus also includes:

Dichroic parts, for passing through for this first light beam after this even smooth unit homogenizes；

Light-receiving member；

This first light beam through when being incident to this Wavelength converter after these dichroic parts, this second light beam with In contrast to the direction outgoing of this first light beam incident direction, and after this second light beam arrives these dichroic parts, This light-receiving member is reflexed to by these dichroic parts.

For reaching above-mentioned purpose, the present invention also provides for a kind of projection arrangement, comprises:

Light supply apparatus as above；

Light valve, for receiving the light beam that this light supply apparatus produces, and becomes image light by this Beam Transformation；

Projection lens, is used for receiving and project this image light.

Compared with prior art, light supply apparatus of the present invention and there is the projection arrangement of light supply apparatus by light source Even smooth unit is set between module and Wavelength converter, so that the light intensity of the first light beam by even smooth unit Uniformly, so can improve the quality of display image, improve the performance of projection arrangement, and light supply apparatus of the present invention And the projection arrangement with light supply apparatus has the reduction of higher capacity usage ratio and beneficially system dimension.

Accompanying drawing explanation

The structural representation of the light supply apparatus that Fig. 1 provides for the embodiment of the present invention.

Fig. 2 is the structural representation of the first embodiment of the even smooth unit of Fig. 1.

Fig. 3 is the structural representation of the second embodiment of the even smooth unit of Fig. 1.

Fig. 4 is the structural representation of the 3rd embodiment of the even smooth unit of Fig. 1.

Fig. 5 is the structural representation of the 4th embodiment of the even smooth unit of Fig. 1.

Fig. 6 be the even smooth unit of Fig. 4 in the structural representation of other direction.

Fig. 7 is the structural representation of the embodiment of the wavelength conversion unit of Fig. 1.

Detailed description of the invention

For making the purpose of the present invention, structure, feature and function thereof are had further understanding, hereby coordinate reality Execute example and describe in detail as follows.

With reference to shown in Fig. 1, for the structural representation of the light supply apparatus 100 that the embodiment of the present invention provides.See Shown in Fig. 1, light supply apparatus of the present invention includes light source module 1, even smooth unit 2 and Wavelength converter 3. It addition, for purposes of illustration only, specific justice has the space of X-axis, Y-axis and Z axis the most perpendicular to one another, its In, the plane at this X-axis and this Z axis place is the first plane.

Wherein, light source module 1, for sending first light beam 10 with first wave length.Can be in conjunction with Fig. 1 institute Showing, light source module 1 includes first LASER Light Source the 11, second LASER Light Source 12, Transflective optical element 13 and first light concentrating components 14, the first LASER Light Source 11 and the second perpendicular layout of LASER Light Source 12, wherein First LASER Light Source 11 is for launching first laser beam with first wave length, and the second LASER Light Source 12 is used In launching second laser beam with first wave length, Transflective optical element 13 is positioned at the first laser light In the light path of bundle and the second laser beam, for reflection the first laser beam and transmission the second laser beam, the One light concentrating components 14 for assembling to be formed the to the light beam through Transflective optical element 22 outgoing One light beam 10.In the present embodiment, the first laser beam that the first LASER Light Source 11 sends is collimated light beam, the The second laser beam that dual-laser light source 12 sends is also for collimated light beam, and the optical axis of the first laser beam and the The optical axis of dual-laser light beam is perpendicular.When driving the first LASER Light Source 11 and the second LASER Light Source 12, the Second laser beam of dual-laser light source 12 injection is through Transflective optical element 13, the first LASER Light Source First laser beam of 11 injections optical axis 90-degree rotation after Transflective optical element 13 reflects, i.e. half Penetration half-reflection optical element 13 is by reflecting the first laser beam and transmission the second laser beam by the first laser light Bundle and the second laser beam carry out closing light to form the first light beam；Via Transflective optical element 13 outgoing The first light beam 10 be incident to the first light concentrating components 14 and improve its concentration degree to carry out assembling.It addition, It should be noted that light source module 1 also can only comprise the second LASER Light Source 12 and light concentrating components 14, and omit First LASER Light Source 11 and Transflective optical element 13, the second of the i.e. second LASER Light Source 12 injection swashs Light light beam directly forms the first light beam after light concentrating components 14 is assembled, and also can reach identical effect.This enforcement In example, the first LASER Light Source 11 and the second LASER Light Source 12 are blue semiconductor laser, can launch indigo plant Light.

Furthermore light source module 1 also can with reflecting element 15 with the use of so that light source module 1 injection first The optical axis of light beam changes, thus the beneficially integrally-built arrangement of light supply apparatus 100 so that it is structure is more Compact.Such as, shown in Fig. 1, light supply apparatus 100 farther includes reflecting element 15, light source module After first light beam of 1 output is incident to reflecting element 15, its optical axis is incident to even smooth unit after being rotated by 90 degrees 2.It should be strongly noted that the effect of reflecting element 15 is to change the direction of light path, make compact conformation, But being not necessary use, in reality, designer also can be according to the layout of actual light source device and sky Between situation, decide whether use.

Even smooth unit 2, is positioned on the bang path of the first light beam 10, to homogenize the first light beam 10, makes first The light distribution of light beam 10 is uniform, thus improves the quality of display image, and then improves the performance of projection arrangement. Wherein, as shown in Figures 2 to 6, even smooth unit 2 is the array of multiple lens composition, the plurality of lens Each lens are respectively provided with relative light inlet and light-emitting window, and the first light beam 10 that light source module 1 produces is by many The light inlet of individual lens is incident, and is incident to Wavelength converter 3 by after the light-emitting window injection of multiple lens, its The area of middle light-emitting window is more than the area of light inlet, the lens that this light inlet of these each lens is adjacent Light inlet has interval, the separate distribution of this light-emitting window, and the shape of this light-emitting window is in curved surface (such as Fig. 6 institute Show, Fig. 6 illustrate as a example by the lens in 4), and the central shaft of these each lens be parallel to this The optical axis of one light beam 10, to guide and to homogenize the first light beam 10.Such as, shown in Fig. 2 and Fig. 6, many The light-emitting window of individual lens (21,22,23,24) is circular or regular polygon in the orthographic projection of the first plane (such as, regular polygon is rectangle, square or regular hexagon), but be not limited；Further , the light-emitting window of multiple lens in orthographic projection and the light inlet of the first plane in the shape of the orthographic projection of the first plane Shape is identical, and light-emitting window covers if light mouth is in the orthographic projection of the first plane in the orthographic projection of the first plane, and goes out light Mouth covers as parallel in the corresponding sides of the orthographic projection of the first plane in light mouth in the orthographic projection of the first plane；Furthermore, It is also preferred that the left the justified margin of the light-emitting window of adjacent lens arranges and (the contact position that contacts with each other in multiple lens It is 213,223,233,234) so that multiple lens arrangement is compact, prevent light leak the evenest to have Light effect.In the present embodiment, the local evagination of the close central shaft of light-emitting window, shape is convex, it is also preferred that the left Light inlet be shaped as curved surface, sphere or aspheric surface, but be not limited.Specifically, such as Fig. 2 Shown in, when multiple lens are multiple first lens 210, the light-emitting window 212 of multiple first lens 210 in The section of the first plane is the second regular hexagon, and light inlet 211 is the first positive six limits in the section of the first plane Shape, and the second orthohexagonal center is parallel with the first light beam 10 with the line at the first orthohexagonal center, First regular hexagon is parallel with the second orthohexagonal corresponding sides, the such as first orthohexagonal first limit 2111 Parallel with the second orthohexagonal corresponding sides 2121, the second orthohexagonal area is orthohexagonal more than first Alignment and contacting with each other between area, and the edge of the light-emitting window 212 of multiple first lens 210, with Make multiple first lens 210 arrange compact, prevent light leak to have preferable even light effect；Such as Fig. 3 institute Showing, when multiple lens are multiple second lens 220, the light-emitting window 222 of multiple second lens 220 is in The section of one plane is the second circle, and light inlet 221 is the first circle in the section of the first plane, and second Circular center is parallel with the first light beam 10 with the line at the center of the first circle, and the area of the second circle is more than Alignment and phase between the area of the first circle, and the edge of the light-emitting window 222 of multiple second lens 220 Contact, so that multiple second lens 220 arrange compact, prevents light leak to have preferable even light effect mutually； As shown in Figure 4, when multiple lens are multiple three lens 230, the light-emitting window of multiple 3rd lens 230 232 is the second rectangle in the section of the first plane, and light inlet 231 is first rectangular in the section of the first plane Shape, and the second rectangular center is parallel with the first light beam 10 with the line at the first rectangular center, first Rectangle is parallel with the second rectangular corresponding sides, the such as first rectangular long limit and the second rectangular length Limit is parallel, and the first rectangular minor face is parallel with the second rectangular minor face, and the second rectangular area is more than Alignment and phase between first rectangular area, and the edge of the light-emitting window 232 of multiple 3rd lens 230 Contact, so that multiple 3rd lens 230 arrange compact, prevents light leak to have preferable even light effect mutually； Such as shown in Fig. 5, when multiple lens are multiple four lens 210, multiple 4th lens 210 go out light Mouthfuls 242 when the section of the first plane is the second square, and light inlet 241 is the in the section of the first plane One square, and the second rectangular center is parallel with the first light beam 10 with the line at the first foursquare center, First square is parallel with the second foursquare corresponding sides, and the area of the second positive direction is foursquare more than first Alignment and contacting with each other between area, and the edge of the light-emitting window 242 of multiple 4th lens 240, so that Multiple 4th lens 240 arrange compact, prevent light leak to have preferable even light effect.It is also preferred that the left such as Shown in Fig. 2 to Fig. 6, the edge 233 of the light-emitting window of multiple lens uses binding agent adhesion, and binding agent is not Absorb light, but be not limited.And the light-emitting window of multiple lens is curved surface, sphere or aspheric surface, but It is not limited.It should be strongly noted that even smooth unit 2 can be the array of multiple identical lens composition, It can also be the array of multiple different lens composition.In the present embodiment, even smooth unit 2 is multiple identical saturating The array of mirror composition, the light-emitting window side of multiple lens and being positioned on the bang path of the first light beam 10 is provided with 5th light concentrating components, with the multiple beamlet of superposition, thus the first light beam after being homogenized.Apply in reality In, the array of multiple lens can in the way of using rectangular arranged, hexagonal array or rounded projections arranged, But it is not limited.

When the first light beam 10 is incident to multiple lens of even smooth unit 2, and each lens are by the first light beam 10 points Being segmented into equivalently-sized beamlet, multiple beamlets are again through the optically focused effect of the 5th light concentrating components, the 5th On the focal plane of light concentrating components, superposition forms uniform light field, thus realizes the even light to the first light beam 10, the most multiple The even smooth principle of the array of lens is that the first light beam 10 is divided into several equivalently-sized beamlets, then makes Beamlet is mutually cumulative realizes even light, and therefore, the uniformity coefficient of optical field distribution depends on the beamlet being divided into Number or the number of lens, and the number of beamlet depends on the number of lens, such as, when even light When unit 2 comprises 3 lens, the first light beam 10 is divided into 3 beamlets, and therefore, lens number is more Many, the beamlet that the first light beam 10 is divided into is the most, and the light path distribution of the light beam obtained is the most uniform, when The lens number that right even smooth unit 2 comprises have by designer according to practical situation depending on, the most more Good.Further, due to the first light beam 10 by the array of multiple lens time, it is not necessary to through multiple reflections, therefore Higher capacity usage ratio can be obtained, it is also preferred that the left multiple lens by plating anti-reflection film and can be selected in work Wavelength (for first wave length in the present embodiment) material that absorptance is less is made, to improve energy further Utilization rate, but be not limited.Additionally, the thickness of multiple lens arras is less than the length of integrating rod, favorably In the axial dimension reducing device.

Wavelength converter 3, can rotate under the driving driving motor 30.Further, such as Fig. 1 Shown in Fig. 7, Wavelength converter 3, it is positioned at the transmission road of the first light beam 10 after even smooth unit 2 On footpath, Wavelength converter 3 has transmission region 31 and the first transition region 32, because of Wavelength converter 3 Rotation so that when the first light beam 10 incides transmission region 31, the first light beam 10 penetrates transmission region 31, When making the first light beam 10 incide the first transition region 32, the first transition region 32 is launched has second Second light beam 320 of wavelength.It is also preferred that the left the first transition region 32 is coated with fluorescent material, because of the first light beam 10 Inciding on fluorescent material, the first transition region 32 produces the second light beam 320 of second wave length, and because of coating The difference of fluorescent material, the wavelength of the light beam that the first transition region 32 sends is the most different.Such as, if first changes Region 32 is coated with red light fluorescent powder, because the frequency relatively HONGGUANG of blue light is high, thus works as what light source module 1 sent When blue light beam is incident to the first transition region 32, red light fluorescent powder is excited to produce HONGGUANG, the wavelength of HONGGUANG Wavelength more than blue light；If the first transition region 32 is coated with yellow fluorescent powder, then send when light source module 1 Blue light beam when being incident to the first transition region 32, excite yellow fluorescent powder to produce gold-tinted.Should in reality In with, Wavelength converter 3 is rotatable colour wheel, and can be provided with in the first transition region 32 of colour wheel Fluorescent material, after the first light beam 10 is incident to the first transition region 32, the first transition region 32 produces second Light beam 320.Furthermore, it is necessary to explanation, in order to reduce light loss, above-mentioned Wavelength converter 3 can also set Counting into fully-reflected type, the light beam being i.e. incident to Wavelength converter 4 is completely used for excitation wavelength conversion equipment 4 On fluorescent material to produce new light beam, without penetrating Wavelength converter 3, specifically by designer according to Depending on practical situation.

Further, because of the rotation of Wavelength converter 3, when the first light beam 10 is incident to Wavelength converter 3 the first transition region 32 time, excite the fluorescent material of the first transition region 32 to produce and there is the of second wave length Two light beams 320, and the second light beam 31 is with the side in contrast to the first light beam 10 incident wavelength conversion equipment 3 direction To outgoing.

Continuing referring to shown in Fig. 1, light supply apparatus 100 also includes dichroic parts 4 and light-receiving member 5, The dichroic parts 4 first light beam 10 with first wave length after homogenizing for even smooth unit 2 passes through, the One light beam 10 is incident to Wavelength converter 3 through after dichroic parts 4, and the second light beam 31 is with in contrast to the The direction outgoing in one light beam 10 incident wavelength conversion equipment 3 direction, and when the second light beam 31 arrives dichroic After parts 4, reflexed to light-receiving member 5 by dichroic parts 4.Preferably, because dichroic parts 3 are to The reflection of two light beams 31 to light-receiving member 5 after the optical axis 90-degree rotation of the second light beam 31 Concentrating element 50 is launched, and then line focus element 50 is received by light pipe 51 after assembling.In the present embodiment, light Receiving parts 5, including collecting lens 50 and light pipe 51, the first light beam 10 penetrates Wavelength converter 3 Behind penetrating region 31, after several reflecting mirrors and lens, penetrate dichroic parts 4 be incident to light-receiving member 5. Such as, dichroic parts 3 may be designed to make blue light pass through, and HONGGUANG, green glow and gold-tinted are reflected.

In the present invention, also the second light collecting part can be set between Wavelength converter 3 and dichroic parts 4 Part 6, assembles with the second light beam 320 launching Wavelength converter 3 so that be incident to two to Second light beam 320 of color parts 4 is more concentrated such that it is able to more preferably transmit in optical receiver component 5.

Above-mentioned have as a example by the first transition region 32 by Wavelength converter 3 illustrate.Apply in reality In, also can be by controlling light supply apparatus 100 so that light supply apparatus 100 produces the light substantially of 4 kinds of colors, structure Become display picture so that the display of picture has more preferable effect.For realizing purpose, it is also preferred that the left wavelength turns Changing device 3 also includes the second transition region 33 and the 3rd transition region 34, and wherein the second transition region 33 is not It is same as the 3rd transition region 34；Because of the rotation of Wavelength converter 3, and the first light beam 10 is made to be incident to During two transition regions 33, the second transition region 33 launches the 3rd light beam 330 with the 3rd wavelength so that When first light beam 10 is incident to three transition regions 34, the 3rd transition region 34 is launched has the 4th wavelength The 4th light beam 340, the direction of the 3rd light beam 330 and the 4th light beam 340 is with the direction phase of the second light beam 320 With, and the 3rd light beam 330 and the 4th light beam 340 are to dichroic parts 4 incidence and via dichroic parts 4 After reflection, it is directly transmitted to the concentrating element 50 of light-receiving member 5, and transmits to light after line focus element 50 Pipe 51, thus collected by light pipe 51.In actual enforcement, the first light beam 10 can be blue light beam, and wavelength turns First transition region 32 of changing device 3 is coated with red fluorescence powder, the second transition region 33 is coated with green Fluorescent material, the 3rd transition region 34 coat by yellow fluorescent powder, when blue light beam is incident to the first transition region When 32, excitated red fluorescent powder, so that the first transition region 32 launches the second light beam 320 (redness Light beam)；When along with the rotation of Wavelength converter 3 so that the first light beam 10 (blue light beam) is incident to During the second transition region 33, excite green emitting phosphor, so that the second transition region 33 launches the 3rd Light beam 330 (green beam)；When along with the rotation of Wavelength converter 3 so that the first light beam (blue light Bundle) when being incident to three transition regions 34, excite yellow fluorescent powder, so that the 3rd transition region 34 Launch the 4th light beam 340 (yellow light beam).Thus by controlling light source module 1, LED light source module Lighting time and the rotary speed of Wavelength converter 3, it is achieved the second light beam 320 (red beam), the 3rd Light beam 330 (green beam), the 4th light beam 340 (blue light beam) timesharing enter in light-receiving member 5, Obtain the light of different colours, and then constitute display picture.

In addition, it is necessary to explanation is, although the present invention is disclosed above with preferred embodiment, so and be not used to Limit the present invention.Such as, the effect of light source module 1 be provide light source, therefore, can also be according to reality Need select LASER Light Source number, can be such as 1 or more than 2, and be not limited to 2 laser light Source.Further, light source module 100 of the present invention can also include LED light source module, this LED light source module bag Include, the first LED light source, the 3rd light concentrating components, the second LED light source, the 4th light concentrating components and first complete in Mirror lens, wherein the first total internal reflection lens is for converging being incident to its interior light beam.Wherein when When driving the first LED light source, the first LED light source launches first LED beam with first wave length, should First LED beam is incident to this first total internal reflection lens after assembling via the 3rd light concentrating components；Work as driving During the second LED light source, the second LED light source launches second LED beam with first wave length, and this is second years old LED beam is incident to this first total internal reflection lens (TIR) after assembling via the 4th light concentrating components.First The first LED beam that total internal reflection lens is assembled through the 3rd light concentrating components for transmission and reflecting through the 4th The second LED beam that light concentrating components is assembled, forms the 5th light beam to merge.Be incident to this first complete in anti- Formation should after this first total internal reflection lens merges to penetrate the first LED beam in lens and the second LED beam 5th light beam, the 5th light beam further by outgoing to these dichroic parts 4, and through these dichroic parts 4 It is incident to this light-receiving member 5.Above-mentioned through the 3rd light concentrating components assemble after the first LED beam optical axis with The direction of the optical axis of the second LED beam after the 4th light concentrating components is assembled is perpendicular, to save space, The structure making LED light source module is compacter.In the present embodiment, LED light source module uses two LEDs light altogether Source also utilizes the first total internal reflection lens (TIR) to produce the 5th enough light beam.Above, the first LED light Source and the second LED light source are blue LED light source, and being total to because of the first LED light source and the second LED light source With driving use, it is possible to provide enough blue lights, but it is not limited.In reality, those skilled in the art can To select a number of the LED light source needed for LED light source module, example according to practical situation (needs of brightness) As being one, it is also possible to be three or more, and be not limited to two.Additionally, the light source of the present invention Module 1 can also only comprise this LED light source module, specifically by designer as required depending on, not with this It is limited.For another example, the effect of reflecting mirror 24 is to change the direction of light path, makes compact conformation, but is not Necessary use, in reality, designer also can according to the layout of actual light source device and special case, Decide whether to use.

The present invention provides a kind of projection arrangement with above-mentioned light supply apparatus 100.Projection arrangement includes that light source fills Putting 100, light valve and projection lens, wherein light supply apparatus 100 provides the light source that can use for projection arrangement；Light Valve in order to receive light supply apparatus 100 provide the first light beam, the second light beam, the 3rd light beam and the 4th light beam, And the first light beam, the second light beam, the 3rd light beam and the 4th Beam Transformation are become image light；Projection lens in order to Receive and project image light.Because of the structure of light supply apparatus 100, feature and principle and above-mentioned reality in the present embodiment That executes described in example is identical, does not repeats them here.

To sum up, light supply apparatus of the present invention and there is the projection arrangement of light supply apparatus by light source module and wavelength Even smooth unit is set between conversion equipment, so that by the uniform intensity of the first light beam of even smooth unit, so The quality of display image can be improved, improve the performance of projection arrangement, and light supply apparatus of the present invention and there is light source The projection arrangement of device has the reduction of higher capacity usage ratio and beneficially system dimension.

The present invention is been described by by above-mentioned related embodiment, but above-described embodiment is only and implements the present invention's Example.It must be noted that, the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, not The change made in departing from the spirit and scope of the present invention and retouching, all belong to the scope of patent protection of the present invention.

Claims (14)

1. a light supply apparatus, including light source module, even smooth unit and Wavelength converter, this light source die Block is for sending first light beam with first wave length, and this even smooth unit is positioned at the bang path of this first light beam On, to homogenize this first light beam, this even smooth unit is the array of multiple lens composition, the plurality of lens every One lens have light inlet and light-emitting window, this Wavelength converter be positioned at after this even smooth unit outgoing this On the bang path of one light beam, it is characterised in that the area of this light inlet is less than the area of this light-emitting window；Should This light inlet of the lens that this light inlet of each lens is adjacent has interval, and this light-emitting window is separate Distribution, the shape of this light-emitting window is in curved surface, and this first light beam that this light source module produces is by the plurality of lens This light inlet is incident, and is penetrated to this Wavelength converter by this light-emitting window of the plurality of lens；This is each The central shaft of mirror is parallel to the optical axis of this first light beam.

2. light supply apparatus as claimed in claim 1, it is characterised in that this light-emitting window is in the first plane Orthographic projection is circular or regular polygon, and wherein this first plane is perpendicular to the optical axis of this first light beam.

3. light supply apparatus as claimed in claim 2, it is characterised in that this light-emitting window is in this first plane Orthographic projection identical in the shape of the orthographic projection of this first plane with this light inlet, and this light-emitting window in this first The orthographic projection of plane covers this light inlet in the orthographic projection of this first plane.

4. light supply apparatus as claimed in claim 1, it is characterised in that the close central shaft of this light-emitting window Local evagination, shape is convex.

5. light supply apparatus as claimed in claim 1, it is characterised in that adjacent lens in the plurality of lens The justified margin of this light-emitting window contact, so that the compact conformation of this even smooth unit.

6. light supply apparatus as claimed in claim 5, it is characterised in that adjacent lens in the plurality of lens This light-emitting window edge between use binding agent be attached.

7. light supply apparatus as claimed in claim 1, it is characterised in that the array of the plurality of lens uses The compound mode of rectangular arranged, hexagonal array or triarray.

8. light supply apparatus as claimed in claim 1, it is characterised in that

This light source module includes:

First LASER Light Source, for launching first laser beam with first wave length；And

First light concentrating components, for assembling to form the first light beam to this first laser beam；

Or, this light source module includes:

First LASER Light Source, for launching first laser beam with first wave length；

Second LASER Light Source, for launching second laser beam with first wave length；

Transflective optical element, is positioned in the light path of this first laser beam and this second laser beam, For reflecting this first laser beam and this second laser beam of transmission；

First light concentrating components, for assembling with shape through the light beam of Transflective optical element outgoing this Become this first light beam.

9. light supply apparatus as claimed in claim 8, it is characterised in that this light source module farther includes Reflecting element, this reflecting element is used for receiving and reflect this first light beam so that its optical axis changes 90 degree.

10. light supply apparatus as claimed in claim 1, it is characterised in that also include LED light source module, this LED Light source module includes:

First LED light source, for launching first LED beam with first wave length；

3rd light concentrating components, is used for receiving and assemble this first LED beam；

Second LED light source, for launching second LED beam with first wave length；

4th light concentrating components, is used for receiving and assemble this second LED beam；

First total internal reflection lens, the first LED beam assembled through the 3rd light concentrating components for transmission and anti- Penetrate the second LED beam assembled through the 4th light concentrating components, form the 5th light beam to merge.

11. light supply apparatuses as claimed in claim 1, it is characterised in that Wavelength converter is used for receiving Through this first light beam of this even smooth unit, Wavelength converter includes transmission region and the first transition region, And when this first light beam incides this transmission region, this first light beam penetrates this transmission region, when this first When light beam incides this first transition region, this first transition region launches second light with second wave length Bundle, wherein, this transparent area is different from this first transition region.

12. light supply apparatuses as claimed in claim 11, it is characterised in that this Wavelength converter is can The colour wheel rotated, this first transition region of this colour wheel is provided with fluorescent material, is incident to this at this first light beam After first transition region, this first transition region produces the second light beam.

13. light supply apparatuses as claimed in claim 11, it is characterised in that also include:

Dichroic parts, for passing through for this first light beam after this even smooth unit homogenizes；

Light-receiving member；

This first light beam through when being incident to this Wavelength converter after these dichroic parts, this second light beam with In contrast to the direction outgoing of this first light beam incident direction, and after this second light beam arrives these dichroic parts, This light-receiving member is reflexed to by these dichroic parts.

14. 1 kinds of projection arrangements, it is characterised in that comprise

Light supply apparatus as described in any one of claim 1 to 13；

Light valve, for receiving the light beam that this light supply apparatus produces, and becomes image light by this Beam Transformation；

Projection lens, is used for receiving and project this image light.