CN207937746U - Lighting system and projection arrangement - Google Patents
Lighting system and projection arrangement Download PDFInfo
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- CN207937746U CN207937746U CN201820233411.9U CN201820233411U CN207937746U CN 207937746 U CN207937746 U CN 207937746U CN 201820233411 U CN201820233411 U CN 201820233411U CN 207937746 U CN207937746 U CN 207937746U
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Abstract
A kind of lighting system, including excitation light source module, recombination dichroic elements, Wavelength changing element, even optical element and lens array.Excitation light source module includes multiple excitation light sources, and each excitation light source is for providing excitation beam.Recombination dichroic elements are for allowing excitation beam to be transferred to Wavelength changing element.Wavelength changing element is used to excitation beam being converted into commutating optical beam, and reflects commutating optical beam to recombination dichroic elements, and recombination dichroic elements are used to commutating optical beam being transferred to even optical element.Even optical element is configured on the transmission path of the commutating optical beam from recombination dichroic elements, and even optical element has a light inputting end.Lens array is configured on the transmission path of excitation beam, and lens array includes multiple lens units, parallel with the long side of light inputting end when the long side of each lens unit is projected to light inputting end along the transmission path of commutating optical beam.
Description
Technical field
The utility model relates to a kind of display device, and is illuminated in particular to a kind of lighting system and using this
The projection arrangement of system.
Background technology
Light source type used in projection arrangement is as market is to projection arrangement brightness, color saturation, service life, nothing
Poison ring protect etc. require, from ultrahigh pressure mercury lamp (UHP lamp), light-emitting diode (light emitting diode, LED) into
Change to laser diode (laser diode, LD).
In the known projection arrangement using laser diode, laser diode is provided excitation beam and is turned with excitated fluorescent powder
Phosphor powder layer on wheel generates fluorescent light beam, homogenizes fluorescent light beam by even optical element again later.However, even optical element
Light inputting end is rectangle, and the hot spot that excitation beam is formed on fluorescent powder runner is circular light spot, the fluorescent light beam inspired
It can be correspondingly formed circular light spot in the light inputting end of even optical element.The light spot shape that is formed in light inputting end due to fluorescent light beam and enter light
The shape at end mismatches, and light utilization efficiency is caused to be deteriorated, thus reduces the brightness of projection arrangement.
This " background technology " paragraph is used only to help to understand the utility model content, therefore is taken off in " background technology "
The content of dew may include the known technology that some do not constitute road known to those skilled in the art.In addition, in " background technology "
In disclosed content do not represent the content or the utility model one or more embodiment problem to be solved, also not
Representative has been readily known to those persons skilled in the art or has recognized before the present utility model application.
Utility model content
The utility model provides a kind of lighting system, can promote light utilization efficiency.
The utility model provides a kind of projection arrangement, can promote light utilization 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.
Be to reach one of above-mentioned or partly or entirely purpose or other purposes, one embodiment of the utility model provided one
Kind of lighting system include excitation light source module, recombination dichroic elements (dichroic element), Wavelength changing element, even optical element with
And lens array.Excitation light source module includes multiple excitation light sources, and each excitation light source is for providing excitation beam.Recombination dichroic elements are matched
It is placed on the transmission path of excitation beam, and for allowing the excitation beam from excitation light source module to be transferred to wavelength convert member
Part.Wavelength changing element is configured on the transmission path of the excitation beam from recombination dichroic elements, and excitation beam is converted into
Light beam is changed, and reflects commutating optical beam to recombination dichroic elements, recombination dichroic elements are used to commutating optical beam being transferred to even optical element.Even optical element
It is configured on the transmission path of the commutating optical beam from recombination dichroic elements, even optical element has a light inputting end.Lens array is configured at
On the transmission path of excitation beam, lens array includes multiple lens units, and the long side of each lens unit is along commutating optical beam
It is parallel with the long side of light inputting end when transmission path is projected to light inputting end.
Be to reach one of above-mentioned or partly or entirely purpose or other purposes, one embodiment of the utility model provided one
Plant lighting system, light valve and projection lens that projection arrangement includes above-mentioned.Above-mentioned lighting system is for providing illuminating bundle.
Light valve is configured on the transmission path of illuminating bundle, and illuminating bundle is converted into image strip.Projection lens is configured at image
On the transmission path of light beam.
The utility model can adjust outgoing and be irradiated in wavelength turn from the excitation beam of lens array because using lens array
Light spot shape when element is changed, so that the light spot shape of the commutating optical beam through Wavelength changing element conversion corresponds to entering for even optical element
The shape at light end, and then promote light utilization efficiency.The projection arrangement of the utility model embodiment is because using said lighting system, therefore
Light utilization efficiency can be promoted.
For the above and other objects, features and advantages of the utility model can be clearer and more comprehensible, preferred reality cited below particularly
Example is applied, and coordinates appended attached drawing, is described in detail below.
Description of the drawings
Fig. 1 is the schematic diagram of the lighting system of one embodiment of the utility model.
Fig. 2 is the schematic diagram of the light inputting end of the even optical element of Fig. 1.
Fig. 3 is the hot spot schematic diagram that the excitation beam of one embodiment of the utility model is formed in lens array.
Fig. 4 is the hot spot signal of the excitation beam and commutating optical beam of one embodiment of the utility model on Wavelength changing element
Figure.
Fig. 5 is the schematic diagram of the lighting system of another embodiment of the utility model.
Fig. 6 is the block diagram of the projection arrangement of one embodiment of the utility model.
Fig. 7 is the schematic diagram of the even optical element and light valve of one embodiment of the utility model.
Specific implementation mode
Aforementioned and other technology contents, feature and effect in relation to the utility model, the one of following cooperation refer to the 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 drawings.Therefore, the direction term used is for illustrating not to use
To limit the utility model.
Fig. 1 is the schematic diagram of the lighting system of one embodiment of the utility model.It please refers to Fig.1 and Fig. 2, the photograph of the present embodiment
Bright system 100 includes excitation light source module 110, recombination dichroic elements 120, Wavelength changing element 130, even optical element 140 and lens
Array 150.Excitation light source module 110 includes multiple excitation light sources 111, and each excitation light source 111 is for providing excitation beam L1.Point
Color component 120 is configured on the transmission path of these excitation beams L1, and for allow from excitation light source module 110 these swash
The beam L1 that shines is transferred to Wavelength changing element 130.Wavelength changing element 130 is configured at these excitations from recombination dichroic elements 120
On the transmission path of light beam L1, these excitation beams L1 is converted into commutating optical beam L2, and reflects commutating optical beam L2 to color separation
Element 120, the wherein wavelength of excitation beam L1 are different from the wavelength of commutating optical beam L2, and recombination dichroic elements 120 are used for conversion light
Beam L2 is transferred to even optical element 140.Even optical element 140 is configured at the transmission path of the commutating optical beam L2 from recombination dichroic elements 120
On, even optical element 140 has light inputting end 141.In the present embodiment, lens array 150 can be used only single group and be configured at exciting light
On the transmission path of beam L1, lens array 150 includes multiple lens units 151.
Fig. 2 is the schematic diagram of the light inputting end of the even optical element of Fig. 1, and Fig. 3 is the exciting light of one embodiment of the utility model
The hot spot schematic diagram that beam is formed in lens array.Fig. 1, Fig. 2 and Fig. 3 are please referred to, in the present embodiment, each lens unit 151
It is parallel with the long side 141b of light inputting end 141 when long side 151a is projected to light inputting end 141 along the transmission path of commutating optical beam L2.
Since lens array 150 can carry out integer to incident excitation beam L1, excitation beam L1 forms hot spot S3 in lens array 150
And each hot spot S3 can cover at least two lens units 151, make the hot spot of the excitation beam L1 of outgoing lens array 150 that can correspond to
To the shape of lens unit 151, therefore, the long side of the hot spot of commutating optical beam L2 can be parallel to light inputting end 141 in light inputting end 141
Long side 141b.
Fig. 1 and Fig. 3 is please referred to, in the present embodiment, excitation light source 111 e.g. laser light source or other solid state light emitters,
But not limited to this.These excitation light sources 111 are, for example, to be arranged in array.111 quantity of excitation light source of the present embodiment is with 20
For a, thus 20 hot spot S3 are formed on lens array 150.In addition, excitation light source module 110 may also include multiple collimations
Lens (collimating lens) 112 are correspondingly arranged in these 111 fronts of excitation light source respectively, i.e., collimation lens 112 is located at
Between excitation light source 111 and lens array 150, these collimation lenses 112 are used to excitation beam L1 being transferred to recombination dichroic elements
120.In another embodiment, multiple collimation lenses 112 can also be substituted for a chip-lens array.
Above-mentioned recombination dichroic elements 120 are, for example, dichroic filter (Dichroic filter) or dichroscope
Recombination dichroic elements such as (Dichroic mirror), but not limited to this.Recombination dichroic elements 120 are for allowing excitation beam L1 (to be, for example, indigo plant
Color beam) it passes through and reflects commutating optical beam L2 (being, for example, yellow light beam).In the embodiment of another lighting system, recombination dichroic elements
120 also reflected excitation light beam L1 and can allow commutating optical beam L2 to pass through, but the optics framework of lighting system need to be adjusted suitably.
Above-mentioned Wavelength changing element 130 is configured with wavelength conversion material (not labeled), and wavelength conversion material can be photic
Luminescent material, to receive short-wavelength beam and generate corresponding commutating optical beam L2 (such as Fig. 1 institutes by luminescence generated by light phenomenon
Show).Embedded photoluminescent material is, for example, fluorescent powder, and Wavelength changing element 130 is, for example, fluorescent powder runner, and fluorescent powder runner has
Fluorescent powder block (not shown), and when excitation beam L1 is irradiated in fluorescent powder block can inspire commutating optical beam L2.
Above-mentioned even optical element 140 is, for example, optical integration pillar (light integration rod), and but not limited to this.
Optical integration pillar can be solid cylinder or hollow cylinder.
The lens array 150 of the present embodiment is for example arranged between excitation light source module 110 and recombination dichroic elements 120, and
On the transmission path of excitation beam L1.Each lens unit 151 of said lens array 150 is for example with positive diopter
(refractive power), for example, each lens unit 151 can be planoconvex spotlight or biconvex lens etc..In another reality
Apply in example, also visual demand and make each lens unit 151 that there is negative diopter, for example, each lens unit 151 can be double
Concavees lens.In addition, the excitation beam L1 from these excitation light sources 111 is in forming multiple hot spot S3, each light on lens array 150
Spot S3 for example covers at least two lens units 151.Because the encircled energy of the hot spot S3 of excitation beam L1 is high, when covering at least
When two lens units 151, capped each lens unit 151 can will be projected to Wavelength changing element 130 after hot spot S3 cuttings,
It is excessively concentrated to avoid energy, and then in the preferably whole hot spot of the formation uniformity on Wavelength changing element 130.
In order to enable most commutating optical beam L2 to enter even optical element 140 from light inputting end 141, lighting system can be adjusted
100 component structure, changes the shape of excitation beam L1 by each lens unit 151 of lens array 150, then allows and turn through wavelength
The shape for changing the shape for the commutating optical beam L2 that element 130 is converted and the light inputting end 141 of even optical element 140 matches.For example, making each
The light inputting end 141 of lens unit 151 and even optical element 140 is corresponding rectangle, and the length-width ratio of each lens unit 151 is made to be more than
The length-width ratio of the light inputting end 141 of even optical element 140.The length and width of each lens unit 151 when even optical element will be illustrated below
The relevance of the length-width ratio of 140 light inputting end 141.
Fig. 4 is the hot spot signal of the excitation beam and commutating optical beam of one embodiment of the utility model on Wavelength changing element
Figure.It please also refer to Fig. 2 and Fig. 4, it is assumed that the light inputting end 141 of even optical element 140 is that the size of rectangle and light inputting end 141 is
2.5mm × 4.6mm, and the hot spot magnifying power of Wavelength changing element 130 to even optical element 140 is 2 times, then needs default commutating optical beam
L2 is 1.25mm × 2.3mm (length-width ratio 2.3/1.25=1.84) in the size of the hot spot S2 of Wavelength changing element 130.This
Outside, when being projeced into the surface (not labeled) of the wavelength conversion material of Wavelength changing element 130 due to excitation beam L1, excitation beam
L1 is in the integral hot spot S1 of the surface shape, and excitation beam L1 enters the commutating optical beam L2 meetings converted in wavelength conversion material
It disperses around, makes hot spots of the commutating optical beam L2 when surface of the wavelength conversion material of Wavelength changing element 130 is emitted
S2 can be more than the whole hot spot S1 that excitation beam L1 converges at Wavelength changing element 130.Also that is, excitation beam L1 is in wavelength convert
The length of the whole hot spot S1 of element 130 is less than commutating optical beam L2 in the length of the hot spot S2 of Wavelength changing element 130.Assuming that turning
The length and width value added that light beam L2 is changed in the hot spot S2 of Wavelength changing element 130 is all 0.25mm, so excitation beam L1 need to be preset
It is 1mm × 2.05mm (length-width ratio 2.05) in the size of the whole hot spot S1 of Wavelength changing element 130, can just makes commutating optical beam
L2 is 1.25mm × 2.3mm in the size of the hot spot S2 of Wavelength changing element 130.Therefore, excitation beam L1 converges at wavelength and turns
Commutating optical beam L2 need to be more than in the length and width of the hot spot S2 of Wavelength changing element 130 by changing the length-width ratio of the whole hot spot S1 of element 130
Than.
Hold above-mentioned, whole excitation beam L1 is converged at Wavelength changing element 130 by the present embodiment by lens array 150
Wavelength conversion material the surface and form whole hot spot S1, and the long side 151a of each lens unit 151 is along conversion light
It is parallel with the long side 141b of light inputting end 141 when the transmission path of beam L2 is projected to light inputting end 141, make the hot spot S2 of commutating optical beam
Long side L2c the long side 141b of light inputting end 141 can be parallel in light inputting end 141, due to each lens unit 151 length-width ratio substantially
The upper excitation beam L1 that is equal to is in the length-width ratio of the whole hot spot S1 of Wavelength changing element 130, so the length and width of each lens unit 151
Than the length-width ratio for needing the light inputting end 141 more than even optical element 140 in design, so that most commutating optical beam L2 is from light inputting end
141 enter even optical element 140 and reduce light loss.Numerical value mentioned above, which is only for example, to be used, neck belonging to the utility model
Field technique personnel can use the suitable length of each lens unit 151 according to the difference of each element design value in lighting system 100
Wide ratio.
Above-mentioned lighting system 100 may also include multiple lens or other optical elements, such as first collector lens 160,
Second collector lens 170 and third collector lens 180.First collector lens 160 are configured at excitation light source module 110 and color separation member
Between part 120.Second collector lens 170 is configured between lens array 150 and Wavelength changing element 130.Third collector lens
180 are configured between recombination dichroic elements 120 and even optical element 140.In the embodiment of Fig. 1, first collector lens 160 are located at excitation
Between light source module 110 and lens array 150, the second collector lens 170 is located at recombination dichroic elements 120 and Wavelength changing element 130
Between, then it is saturating sequentially to pass through first collector lens 160, lens array 150, recombination dichroic elements 120 and the second optically focused by excitation beam L1
It is converged at after mirror 170 on Wavelength changing element 130.
The lighting system 100 of the present embodiment changes excitation beam L1 in wave by each lens unit 151 of lens array 150
The shape for the whole hot spot S1 that long conversion element 130 is formed, and then make commutating optical beam L2 in the hot spot S2 of Wavelength changing element 130
Shape matched with the shape of the light inputting end 141 of even optical element 140, therefore can reduce commutating optical beam L2 via light inputting end 141 into
Enter light loss when even optical element 140, promotes light utilization efficiency.
In addition, above-mentioned Wavelength changing element 130 can also make partially passing through for excitation beam L1, below with excitation beam L3
Indicate the excitation beam across Wavelength changing element 130.Specifically, Wavelength changing element 130 is, for example, fluorescent powder runner, and
Block (not shown) is penetrated with fluorescent powder block (not shown) and light.When Wavelength changing element 130 rotates, excitation beam L1
Fluorescent powder block and light can be radiated in turn and penetrate block, be radiated at fluorescent powder block excitation beam L1 can be converted to it is above-mentioned
Commutating optical beam L2, it is excitation beam L3 to be radiated at light and penetrate block and penetrate the excitation beam L1 of Wavelength changing element 130.
In one embodiment, excitation beam L1 is, for example, blue light beam, and commutating optical beam L2 is, for example, yellow light beam.In addition, fluorescent powder area
Block also can make commutating optical beam L2 be divided into multiple color according to sequential there are many fluorescent powder that can generate different colours.In addition, illumination system
System 100 can further include light arrangement for guiding 190, and the excitation beam L3 across Wavelength changing element 130 is guided by light arrangement for guiding 190
And it is transferred to even optical element 140.Light arrangement for guiding 190 is for example including three reflecting elements 191,192,193, by excitation beam
L3 sequentially reflects and guides back recombination dichroic elements 120, and excitation beam L3 passes through recombination dichroic elements 120, and then is transferred to even optical element
140。
Although the present embodiment is so that there is fluorescent powder runner light to penetrate block as an example, the lighting system of the utility model
Framework is not limited thereto.In another embodiment, fluorescent powder runner can have fluorescent powder block (not shown) and echo area
Block (not shown), reflection block can be used to reflected excitation light beam, then coordinate the other elements of lighting system make to be reflected block it is anti-
The excitation beam penetrated can enter even optical element with commutating optical beam.
Fig. 5 is the schematic diagram of the lighting system of another embodiment of the utility model.Referring to FIG. 5, the illumination of the present embodiment
System 100a is similar to above-mentioned 100 structure of lighting system and advantage, below only for being said at the main difference of its structure
It is bright.The lens array 150 of the lighting system 100a of the present embodiment be arranged in recombination dichroic elements 120 and Wavelength changing element 130 it
Between.The light inputting end 141 of each lens unit 151 and even optical element 140 is, for example, corresponding rectangle.Due to excitation beam L1 and conversion
Light beam L2 can all pass through lens array 150, so the length-width ratio that can design each lens unit 151 is substantially equal to even optical element 140
Light inputting end 141 length-width ratio, can so make commutating optical beam L2 in the light inputting end 141 of even optical element 140 light spot shape with
The shape of light inputting end 141 matches, and then reduces light loss when commutating optical beam L2 is entered even optical element 140 by light inputting end 141, with
Promote light utilization efficiency.
Fig. 6 is the block diagram of the projection arrangement of one embodiment of the utility model.Referring to FIG. 6, the projection dress of the present embodiment
It includes above-mentioned lighting system 100, light valve 20 and projection lens 30 to set 10.Lighting system 100 is for providing illuminating bundle L.Light
Valve 20 is configured on the transmission path of illuminating bundle L, and illuminating bundle L is converted into image strip La.Projection lens 30 configures
In on the transmission path of image strip La, image strip La is projected to screen, and then form image frame on the screen.This
Illuminating bundle L includes above-mentioned commutating optical beam L2 and excitation beam L3.Lighting system 100 may also include colour wheel (not shown), with
Illuminating bundle L is divided into the light beam of the more pure color of red, green, blue three.Light valve 20 can be perforation light-valve or optical valve in reflection type,
Middle perforation light-valve can be liquid crystal display panel, and optical valve in reflection type can be digital micromirror elements (digital micro-
Mirror devic, DMD) or silica-based liquid crystal panel (liquid crystal on silicon panel, LCoS panel).
According to different design architectures, the quantity of light valve 20 can be one or more.In addition, illuminating bundle L can forward entrance light valve 20 or
Oblique incidence light valve 20.
Fig. 7 is the schematic diagram of the even optical element and light valve of one embodiment of the utility model.Please refer to Fig. 6 and Fig. 7, this implementation
Even optical element 140 in example has the light extraction end 142 relative to light inputting end 141, illuminating bundle L being emitted from light extraction end 142
Such as the optical modulation region 21 of oblique incidence light valve 20.Optical modulation region 21, which is light valve 20, can be converted to illuminating bundle L image strip La
Effective coverage.By taking light valve 20 is digital micromirror elements as an example, optical modulation region 21 is the region of multiple micro mirror configurations.
In the present embodiment, the light extraction end 142 Yu optical modulation region 21 of even optical element 140 are, for example, rectangle, and even optical element
The length-width ratio at 140 light extraction end 142 is adjustable into the length-width ratio more than optical modulation region 21, and most illuminating bundle L is enable to shine
It penetrates on the optical modulation region of light valve 20 21, to promote light utilization efficiency.Therefore, the length-width ratio of the light inputting end 141 of even optical element 140 can
With different from the length-width ratio at light extraction end 142.
In conclusion the utility model embodiment can adjust outgoing from lens array because using single group lens array
Excitation beam is irradiated in light spot shape when Wavelength changing element, so that the hot spot of the commutating optical beam through Wavelength changing element conversion
Shape corresponds to the shape of the light inputting end of even optical element, and then promotes light utilization efficiency.The projection arrangement of the utility model embodiment because
Using said lighting system, therefore light utilization efficiency can be promoted.
The above, the only preferred embodiment of the utility model are implemented when that cannot limit the utility model with this
Range, i.e., it is all according to simple equivalence changes made by the utility model claims book and specification with modification, all still belong to
In the range of the utility model patent covers.In addition, any embodiment or claim of the utility model are not necessary to reach this reality
With novel disclosed whole purposes or advantage or feature.In addition, abstract part and denomination of invention are intended merely to auxiliary patent text
Part retrieval is used, and not is used for limiting the interest field of the utility model.In addition, being referred in this specification or claim
" first ", the terms such as " second " only to the title or the different embodiments of difference or range of naming element (element), and simultaneously
It is non-to be used for the quantitative upper limit of restriction element or lower limit.
Reference numeral
10：Projection arrangement
20：Light valve
21：Optical modulation region
30：Projection lens
100、100a：Lighting system
110：Excitation light source module
111：Excitation light source
112：Collimation lens
120：Recombination dichroic elements
130：Wavelength changing element
140：Even optical element
141：Light inputting end
142：Light extraction end
150：Lens array
151：Lens unit
160：First collector lens
170：Second collector lens
180：Third collector lens
190：Light arrangement for guiding
191、192、193：Reflecting element
151a：The long side of lens unit
141b：The long side of light inputting end
L：Illuminating bundle
L1：Excitation beam
L2：Commutating optical beam
L2c：The long side of the hot spot of commutating optical beam
L3：The part of excitation beam
La：Image strip
S1：Excitation beam is in the whole hot spot of Wavelength changing element
S2：Commutating optical beam is in the hot spot of Wavelength changing element
S3：Excitation beam is in the hot spot of lens array
Claims (15)
1. a kind of lighting system, it is characterised in that including：Excitation light source module, recombination dichroic elements, Wavelength changing element, even optical element
And lens array；Wherein
The excitation light source module includes multiple excitation light sources, and each excitation light source is for providing excitation beam；
The recombination dichroic elements are configured on the transmission path of the excitation beam, and for allowing from the excitation light source module
The excitation beam is transferred to the Wavelength changing element；
The Wavelength changing element is configured on the transmission path of the excitation beam from the recombination dichroic elements, will be described
Excitation beam is converted into commutating optical beam, and reflects the commutating optical beam to the recombination dichroic elements, and the recombination dichroic elements are used for institute
It states commutating optical beam and is transferred to the even optical element；
The even optical element is configured on the transmission path of the commutating optical beam from the recombination dichroic elements, the even optical element
With light inputting end；And
The lens array is configured on the transmission path of the excitation beam, and the lens array includes multiple lens units,
When the long side of each lens unit is projected to the light inputting end along the transmission path of the commutating optical beam, with it is described enter light
The long side at end is parallel.
2. lighting system as described in claim 1, it is characterised in that the lens array is configured at the excitation light source module
Between the recombination dichroic elements.
3. lighting system as claimed in claim 2, it is characterised in that each lens unit and the even optical element enter
Light end is corresponding rectangle, and the length-width ratio of each lens unit is more than the length and width of the light inputting end of the even optical element
Than.
4. lighting system as claimed in claim 3, it is characterised in that the excitation beam is converged at by the lens array
The Wavelength changing element simultaneously forms whole hot spot, and the length-width ratio of each lens unit is equal to the excitation beam in described
The length-width ratio of the whole hot spot of Wavelength changing element.
5. lighting system as claimed in claim 3, it is characterised in that the excitation beam converges at the Wavelength changing element
Whole hot spot length-width ratio be more than the commutating optical beam in the length-width ratio of the hot spot of the Wavelength changing element, the exciting light
The length of the whole hot spot of Wavelength changing element described in Shu Yu is less than the commutating optical beam in the Wavelength changing element
The length of the hot spot.
6. lighting system as claimed in claim 2, it is characterised in that further include：
First collector lens are configured between the excitation light source module and the lens array；
Second collector lens is configured between the recombination dichroic elements and the Wavelength changing element；And
Third collector lens is configured between the recombination dichroic elements and the even optical element.
7. lighting system as described in claim 1, it is characterised in that the lens array is configured at the recombination dichroic elements and institute
It states between Wavelength changing element.
8. lighting system as claimed in claim 7, it is characterised in that each lens unit and the even optical element enter
Light end is corresponding rectangle, and the length-width ratio of each lens unit is equal to the length and width of the light inputting end of the even optical element
Than.
9. lighting system as claimed in claim 8, it is characterised in that the excitation beam is converged at by the lens array
The Wavelength changing element simultaneously forms whole hot spot, and the length-width ratio of each lens unit is equal to the excitation beam in described
The length-width ratio of the whole hot spot of Wavelength changing element.
10. lighting system as claimed in claim 7, it is characterised in that further include：
First collector lens are configured between the excitation light source module and the recombination dichroic elements；
Second collector lens is configured between the lens array and the Wavelength changing element；And
Third collector lens is configured between the recombination dichroic elements and the even optical element.
11. lighting system as described in claim 1, it is characterised in that each excitation beam is in the hot spot on the lens array
Cover at least two lens units.
12. lighting system as described in claim 1, it is characterised in that the excitation light source module includes multiple collimation lenses,
It is correspondingly arranged in respectively in front of the multiple excitation light source, for the excitation beam to be transferred to the recombination dichroic elements.
13. lighting system as described in claim 1, it is characterised in that the Wavelength changing element is for making the excitation beam
A part pass through, and the lighting system further includes light arrangement for guiding, passes through the exciting light of the Wavelength changing element
The part of beam is guided by the smooth arrangement for guiding and is transferred to the even optical element.
14. a kind of projection arrangement, it is characterised in that including：
Such as claim 1 to 13 any one of them lighting system, for providing illuminating bundle；
Light valve, is configured on the transmission path of the illuminating bundle, and the illuminating bundle is converted into image strip；And
Projection lens is configured on the transmission path of the image strip.
15. projection arrangement as claimed in claim 14, it is characterised in that the even optical element has relative to the light inputting end
Light extraction end, the optical modulation region of light valve described in the illuminating bundle oblique incidence penetrated, the light extraction end are brought out from the light extraction
It is rectangle with the optical modulation region, and the length-width ratio at the light extraction end of the even optical element is more than the length and width of the optical modulation region
Than.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233411.9U CN207937746U (en) | 2018-02-09 | 2018-02-09 | Lighting system and projection arrangement |
| TW107107230A TWI656361B (en) | 2018-02-09 | 2018-03-05 | Illumination system and projection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233411.9U CN207937746U (en) | 2018-02-09 | 2018-02-09 | Lighting system and projection arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN207937746U true CN207937746U (en) | 2018-10-02 |
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ID=63652097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820233411.9U Active CN207937746U (en) | 2018-02-09 | 2018-02-09 | Lighting system and projection arrangement |
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| Country | Link |
|---|---|
| CN (1) | CN207937746U (en) |
| TW (1) | TWI656361B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133950A (en) * | 2018-02-09 | 2019-08-16 | 中强光电股份有限公司 | Lighting system and projection arrangement |
| CN111176060A (en) * | 2018-11-12 | 2020-05-19 | 中强光电股份有限公司 | Wavelength conversion module, method for manufacturing wavelength conversion module, and projection apparatus |
| CN112394606A (en) * | 2020-11-19 | 2021-02-23 | 无锡视美乐激光显示科技有限公司 | Light source device and projection system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI809973B (en) * | 2022-07-07 | 2023-07-21 | 台達電子工業股份有限公司 | Illumination system of projector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI504832B (en) * | 2014-05-02 | 2015-10-21 | Coretronic Corp | Illumination system and projection apparatus |
| JP6690217B2 (en) * | 2015-03-09 | 2020-04-28 | セイコーエプソン株式会社 | Light source device and projector |
| CN104914658B (en) * | 2015-06-08 | 2016-09-28 | 苏州佳世达光电有限公司 | A kind of light supply apparatus and projection arrangement |
-
2018
- 2018-02-09 CN CN201820233411.9U patent/CN207937746U/en active Active
- 2018-03-05 TW TW107107230A patent/TWI656361B/en active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133950A (en) * | 2018-02-09 | 2019-08-16 | 中强光电股份有限公司 | Lighting system and projection arrangement |
| CN111176060A (en) * | 2018-11-12 | 2020-05-19 | 中强光电股份有限公司 | Wavelength conversion module, method for manufacturing wavelength conversion module, and projection apparatus |
| US11054732B2 (en) | 2018-11-12 | 2021-07-06 | Coretronic Corporation | Wavelength conversion module, manufacturing method of wavelength conversion module and projection device |
| CN112394606A (en) * | 2020-11-19 | 2021-02-23 | 无锡视美乐激光显示科技有限公司 | Light source device and projection system |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI656361B (en) | 2019-04-11 |
| TW201935085A (en) | 2019-09-01 |
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