CN109426051A - Light-source system and projection arrangement - Google Patents
Light-source system and projection arrangement Download PDFInfo
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- CN109426051A CN109426051A CN201710719396.9A CN201710719396A CN109426051A CN 109426051 A CN109426051 A CN 109426051A CN 201710719396 A CN201710719396 A CN 201710719396A CN 109426051 A CN109426051 A CN 109426051A
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- 230000003287 optical effect Effects 0.000 claims abstract description 42
- 239000003086 colorant Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 230000003760 hair shine Effects 0.000 claims abstract description 3
- 238000007747 plating Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000005284 excitation Effects 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000004446 light reflex Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/206—Control of light source other than position or intensity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Projection Apparatus (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a kind of light-source system and projection arrangements.The light-source system includes the first light source for emitting the first primary lights, second light source, Wavelength converter and the control device for emitting the second primary lights.The Wavelength converter includes at least the first, second region, first primary lights are alternately radiated at first, second region by the first optical path, first area is equipped with wavelength conversion material, for absorbing the first primary lights and generating third primary lights, second area is for scattering first primary lights.The control device generates light source control signal for being in first optical path according to the different zones of the Wavelength converter, the period that the light source control signal is used to control the first light source and second light source shines, so that the light-source system exports RGB three primary colours light or RGBY coloured light in timing.Above-mentioned light-source system structure is simple, and light-emitting mode is adjustable, can meet different projection or lighting demand.
Description
Technical field
The present invention relates to optical technical field more particularly to a kind of light-source systems and projection arrangement.
Background technique
Currently, the light-source system for laser display receives the irradiation of exciting light usually using fluorescent wheel and generates and be excited
Light.Wherein, for single panel projector, colour wheel could be provided at least formed with the section of three different attributes for showing
Three primary light source, this kind of light source colour wheel increase the technical difficulty of color wheel balance due to each section mass unbalance, while each
Section adjoiner is to guarantee seamless interfacing, and technique requires high.
Summary of the invention
In consideration of it, utilizing the simple Wavelength converter of structure it is necessary to provide a kind of light-source system and projection arrangement
There is provided light-emitting mode adjustable light source, to meet different projection or lighting demand.
On the one hand the embodiment of the present invention provides a kind of light-source system, the light-source system includes:
Light supply apparatus, including the first light source for emitting the first primary lights, and for emitting the second primary lights
Two light sources；
Wavelength converter, includes at least first area and second area, and first primary lights are handed over by the first optical path
Alternately it is radiated at the first area and the second area, wherein the first area is equipped with wavelength conversion material, for inhaling
It receives first primary lights and generates third primary lights, the second area is for scattering first primary lights, wherein described
The wavelength of third primary lights is different from the wavelength of first primary lights；
Output device；
Light directing arrangement, for guiding first primary lights to the Wavelength converter, and by described second
Primary lights, the first primary lights being emitted from the Wavelength converter and third primary lights are guided to the output device；And
Control device, for generating first light source control signal and/or second light source control signal；
Wherein, first light source control signal is used to be in described the according to the different zones of the Wavelength converter
The first light source and the second light source luminous period are controlled in one optical path, so that the output device exports RGB in timing
Three primary colours light, the second light source control signal are used to be in first light according to the different zones of the Wavelength converter
The period that road controls the first light source and second light source shines, so that the output device exports RGBY color in timing
Light.
In one embodiment, the first light source control signal is for the first preset period of time control in one cycle
It makes the first light source to close, and remaining period within one period controls the first light source and opens；
The first light source control signal is also used to described in the control of first preset period of time within one period
Second light source is opened, and remaining period within one period controls the second light source and closes, so that the output fills
Set the output RGB three primary colours light in timing；
Wherein, when first preset period of time is that the first area is in the part in the period in first optical path
Section, and when first optical path is left in the first area, the second area initially enters first optical path
At the time of quarter is that first preset period of time terminates.
In one embodiment, the second light source control signal is for the second preset period of time control in one cycle
It makes the first light source to close, and remaining period within one period controls the first light source and opens；
When the second light source control signal is also used to the second preset period of time and default third within one period
Section controls the second light source and opens, and remaining period within one period controls the second light source and closes, so that
The output device exports RGBY coloured light in timing；
Wherein, when second preset period of time is that the first area is in the part in the period in first optical path
Section, the third preset period of time be the second preset period of time finish time to the first area leave first optical path,
Period between at the time of the second area initially enters first optical path.
In one embodiment, the first light source is blue excitation light source, for emitting blue excitation light；
The second light source is red light source, for emitting red light；
The wavelength conversion material is green wavelength transition material, and the third primary lights are green fluorescence.
In one embodiment, the light directing arrangement includes light-dividing device, and the light-dividing device is used for transmission/reflection/angle
First primary lights of the first light source transmitting and the second primary lights of second light source transmitting；
The first area of the Wavelength converter is used to receive the first primary colours gone out from the light-dividing device transmission/reflection/angle
The third primary lights of generation are reflexed to the light-dividing device to generate the third primary lights by light；
The light-dividing device is also used to third primary lights described in reflection/transmission.
In one embodiment, the light-dividing device is dichroic piece, and the second area of the Wavelength converter is used
In the first primary lights that reception goes out from the dichroic piece transmission/reflection/angle, and first primary lights received are carried out scattered
Penetrate transmission；
The light directing arrangement further includes reflection unit, and the reflection unit is for receiving and reflecting from the second area
First primary lights of outgoing.
In one embodiment, the light-dividing device is that diaphragm is plated in region, and the region plating diaphragm includes central area
And the peripheral region being located at around the central area, the central area of the region plating diaphragm is for transmiting the first light source
Second primary lights of the first primary lights of transmitting and second light source transmitting；
The second area of the Wavelength converter is used to receive the first primary lights transmitted from region plating diaphragm,
And reflection is scattered to the first primary lights received；
The peripheral region of region plating diaphragm is for receiving and reflecting the third primary lights and from secondth area
First primary lights of domain outgoing.
In one embodiment, the light-dividing device is that diaphragm or reflecting mirror are plated in region, and the region plating diaphragm includes
Central area and the peripheral region being located at around the central area, the central area of the region plating diaphragm or the reflecting mirror
For reflecting the first primary lights of the first light source transmitting and the second primary lights of second light source transmitting；
The second area of the Wavelength converter is used to receive the reflected from region plating diaphragm or reflecting mirror
One primary lights, and reflection is scattered to the first primary lights received；
The peripheral region of the region plating diaphragm or the peripheral region except the reflecting mirror are used to transmit the third base
Coloured light and the first primary lights being emitted from the second area.
In one embodiment, the light directing arrangement further includes the first beam condensing unit, and first beam condensing unit is used
In receive the second primary lights for being emitted from the light-dividing device and third primary lights and through the Wavelength converter second
First primary lights of regions scatter, and first primary lights, the second primary lights and the third primary lights that receive are gathered
After burnt, even light and shaping, it is emitted to the output device.
On the other hand the embodiment of the present invention also provides a kind of projection arrangement, the projection arrangement includes any of the above-described described
Light-source system.
Light-source system structure provided by the invention is simple, and Wavelength converter only needs to be arranged two regions, passes through control
Device is in first optical path according to the different zones of the Wavelength converter generates light source control signal to control the
The light-emitting period of one light source and second light source can meet different projection or lighting demand, can apply so that light-emitting mode is adjustable
In the projection arrangement or lighting device of one chip spatial light modulator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the light-source system of first embodiment of the invention.
Fig. 2 is the modulation timing schematic diagram of first embodiment of the invention.
Fig. 3 is the modulation timing schematic diagram of second embodiment of the invention.
Fig. 4 is the structural schematic diagram of the Wavelength converter of first embodiment of the invention.
Fig. 5 is the structural schematic diagram of the Wavelength converter of second embodiment of the invention.
Fig. 6 is the structural schematic diagram of the light-source system of second embodiment of the invention.
Main element symbol description
Light-source system 100,200
First light source 111,211
Second light source 112,212
Wavelength converter 121,221
First area 1211,1211 '
Second area 1212,1212 '
Light-dividing device 131,231
Reflection unit 232
First beam condensing unit 133,233
Second beam condensing unit 134,234
Control device 140,240
Output device 150,250
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Referring to Fig. 1, the structural schematic diagram of the light-source system 100 for first embodiment of the invention.In present embodiment
In, the light-source system 100 includes light supply apparatus, Wavelength converter 121, light directing arrangement, control device 140 and output
Device 150.
In the present embodiment, the light supply apparatus includes the first light source 111, Yi Jiyong for emitting the first primary lights
In the second light source 112 for emitting the second primary lights.
In the present embodiment, the Wavelength converter 121 includes at least first area 1211 and second area 1212
(as shown in Figure 4), first primary lights are alternately radiated at the first area 1211 and described second by the first optical path
Region 1212.In the present embodiment, the first area 1211 is equipped with wavelength conversion material, for absorbing first primary colours
Light simultaneously generates third primary lights, and the second area 1212 is for scattering first primary lights.Wherein, the third primary lights
Wavelength it is different from the wavelength of first primary lights.
In the present embodiment, the first light source 111 is blue excitation light source, for emitting blue excitation light.It is described
Second light source 112 is red light source, for emitting red light.The wavelength conversion material is green wavelength transition material, institute
Stating third primary lights is green fluorescence.
In the present embodiment, the light directing arrangement is used to guide first primary lights to the wavelength convert and fill
Set 121, and by second primary lights, the first primary lights and third primary lights that are emitted from the Wavelength converter 121
It guides to the output device 150.
It is appreciated that first primary lights can be guided to the Wavelength converter 121, and by described second
Primary lights, the first primary lights being emitted from the Wavelength converter 121 and third primary lights are guided to the output device 150
There are many embodiment, the light will be guided in the application first embodiment and subsequent second to the 4th embodiment
Some specific implementations of the other structures of device and the light-source system 100 are illustrated, it is to be understood that, the application
Light-source system 100 be not limited with the embodiment in subsequent first to fourth embodiment.
In the present embodiment, the control device 140 is for generating first light source control signal and/or second light source control
Signal processed.Wherein, the first light source control signal is used to be in described according to the different zones of the Wavelength converter 121
The first light source 111 and the second light source 112 luminous period are controlled in first optical path so that the output device 150 when
RGB three primary colours light is exported in sequence.The second light source control signal is used for the different zones according to the Wavelength converter 121
The first light source 111 and the second light source 112 luminous period are controlled in first optical path, so that the output device
150 export RGBY coloured light in timing.
Referring to Fig. 2, being the modulation timing schematic diagram of first embodiment of the invention.Specifically, the first light source control
Signal processed is for the first preset period of time (such as period between the t1-t2 in Fig. 2) control described first in one cycle
Light source 111 is closed, and remaining period within one period controls the first light source 111 and opens.
The first light source control signal is also used to described in the control of first preset period of time within one period
Second light source 112 is opened, and remaining period within one period controls the second light source 112 and closes, so that described
Output device 150 exports RGB three primary colours light in timing.
Wherein, first preset period of time is that the first area 1211 is in the portion in the period in first optical path
At times, and in the first area 1211 leave first optical path, the second area 1212 initially enter it is described
At the time of end at the time of first optical path for first preset period of time.
Specifically, also referring to Fig. 1-2, the first light source 111 emits blue laser B, and the second light source 112 emits
The first area 1211 of feux rouges R, the Wavelength converter 121 are equipped with green emitting phosphor G.
Before time tl, the first area 1211 is in first optical path, and the second light source 112 is closed not
Emit feux rouges R, the first light source 111 is opened, and the blue laser B of transmitting is radiated at the green fluorescence of the first area 1211
On powder G, Lan Jiguang B is converted into green fluorescence G, and therefore, emergent light before time tl is green light G.
Period between t1-t2, the first area 1211 are in first optical path, the first light source 111
Closing does not emit blue laser B, and the second light source 112 is opened and emits feux rouges R, therefore, the outgoing of the period between t1-t2
Light is feux rouges R.
Period between t2-T (T is a cycle), the second area 1212 is in first optical path, described
The closing of second light source 112 does not emit feux rouges R, and the first light source 111 is opened, and the blue laser B of transmitting is by the second area
1212 scatter out, and therefore, the emergent light of the period between t2-T is blue laser B.
It is appreciated that the duration of first preset period of time specifically can be in the emergent light according to the output device 150
It needs the ratio of different colours light to be controlled, for example, some use occasions have standard proportional to various colors light, then presses standard
The duration of first preset period of time described in ratio setting.
It is appreciated that the tune of above-mentioned first embodiment can be used in the occasion for needing to show using RGB three primary colours
First light source 111 and the second light source 112 described in ordered pair carry out above-mentioned modulation when processed.
Referring to Fig. 3, being the modulation timing schematic diagram of second embodiment of the invention.Specifically, the second light source control
Signal processed is for the second preset period of time (such as period between the t1-t2 in Fig. 3) control described first in one cycle
Light source 111 is closed, and remaining period within one period controls the first light source 111 and opens.
When the second light source control signal is also used to the second preset period of time and default third within one period
Section (such as period between the t2-t3 in Fig. 3) controls the second light source 112 and opens, and its within one period
The remaining period controls the second light source 112 and closes, so that the output device 150 exports RGBY coloured light in timing.
Wherein, second preset period of time is that the first area 1211 is in the portion in the period in first optical path
At times, the third preset period of time is that the second preset period of time finish time to the first area 1211 leaves described the
Period between at the time of one optical path, the second area 1212 initially enter first optical path.
Specifically, also referring to Fig. 1,3, before time tl, the first area 1211 is in first optical path
On, the closing of second light source 112 does not emit feux rouges R, and the first light source 111 is opened, and the blue laser B of transmitting is radiated at institute
State on the green emitting phosphor G of first area 1211, Lan Jiguang B is converted into green fluorescence G, therefore, before time tl go out
Penetrating light is green light G.
Period between t1-t2, the first area 1211 are in first optical path, the first light source 111
Closing does not emit blue laser B, and the second light source 112 is opened and emits feux rouges R, therefore, the outgoing of the period between t1-t2
Light is feux rouges R.
Period between t2-t3, the first area 1211 are in first optical path, the second light source 112
Feux rouges R is opened and emits, the first light source 111 is opened, and the blue laser B of transmitting is radiated at the green of the first area 1211
On color fluorescent powder G, Lan Jiguang B is converted into green fluorescence G, feux rouges R and green fluorescence G and is mixed to form yellow light Y, therefore, in t2-
The emergent light of period between t3 is yellow light Y.
Period between t3-T (T is a cycle), the second area 1212 is in first optical path, described
The closing of second light source 112 does not emit feux rouges R, and the first light source 111 is opened, and the blue laser B of transmitting is by the second area
1212 scatter out, and therefore, the emergent light of the period between t3-T is blue laser B.
It is appreciated that the duration of second preset period of time and the third preset period of time specifically can be respectively according to
The ratio of different colours light is needed to be controlled in the emergent light of output device 150, for example, some use occasions are to various colors
Light has standard proportional, then the duration of second and third preset period of time is arranged by standard proportional.
It is appreciated that in the occasion for needing to show using RGBY color, such as can be using above-mentioned the when needing to show white field
The modulation timing of two embodiments carries out above-mentioned modulation to the first light source 111 and the second light source 112, effectively to mention
High white brightness.
In the present embodiment, the light-source system 100 may also include driving device, and the driving device is for driving institute
The movement of Wavelength converter 121 is stated, first primary lights is enable alternately to be radiated at described the by first optical path
On one region 1211 and second area 1212.It is appreciated that only one region is shone by first primary lights in the same time
It is mapped to.
As shown in figure 4, being the structural schematic diagram of the Wavelength converter 121 of first embodiment of the invention.The wavelength
Conversion equipment 121 can be rotation wheel construction, and the driving device is for driving the Wavelength converter 121 to turn along central shaft
It is dynamic, it is alternately arranged the first area 1211 and second area 1212 in 121 rotation process of Wavelength converter
In in first optical path.
Optionally, as shown in figure 5, being the structural schematic diagram of the Wavelength converter 121 of second embodiment of the invention.Institute
Stating Wavelength converter 121 can be strip structure, and the driving device is for driving the Wavelength converter 121 along default side
To reciprocating movement, make the first area 1211 and second area 1212 in 121 reciprocating movement of Wavelength converter
In be alternately arranged in first optical path.
It is appreciated that the Wavelength converter 121 includes first surface and second surface, the first surface is in correspondence
The wavelength conversion material is equipped in place of the first area 1211, the second surface is equipped with radiator structure, in favor of institute
State the heat dissipation of Wavelength converter 121.
Referring to Fig. 1, in the present embodiment, the light directing arrangement includes light-dividing device 131, the light splitting dress
131 are set for transmiting the first primary lights that the first light source 111 emits and the second primary colours that the second light source 112 emits
Light.The first area 1211 of the Wavelength converter 121 is for receiving the first primary colours transmitted from the light-dividing device 131
The third primary lights of generation are reflexed to the light-dividing device 131 to generate the third primary lights by light.In this implementation
In mode, the light-dividing device 131 is also used to reflect the third primary lights.
In the present embodiment, the light-dividing device 131 is that diaphragm is plated in region, and the region plating diaphragm includes central area
And the peripheral region being located at around the central area, wherein the central area of region plating diaphragm is for transmiting described the
The second primary lights that the first primary lights and the second light source 112 of one light source 111 transmitting emit.
In the present embodiment, the second area 1212 of the Wavelength converter 121 is plated for receiving from the region
The first primary lights that diaphragm transmits, and reflection is scattered to the first primary lights received.In the present embodiment, described
Region plating diaphragm peripheral region be used for receive and reflect the third primary lights and from the second area 1212 be emitted
First primary lights.
In the present embodiment, the first surface of the Wavelength converter 121 is corresponding to the second area 1212
Place can be equipped with scattered reflection material, for being scattered reflection to the first primary lights for projecting the second area 1212.
It is appreciated that in another embodiment, the light-dividing device 131 can be used for reflecting the transmitting of first light source 111
The second primary lights that first primary lights and second light source 112 emit.The first area 1211 of the Wavelength converter 121 is used for
The first primary lights for reflecting from the light-dividing device 131 are received to generate the third primary lights, and by described the of generation
Three primary colours light reflexes to the light-dividing device 131.The second area 1212 of the Wavelength converter 121 is for receiving from described
The first primary lights that light-dividing device 131 reflects, and reflection is scattered to the first primary lights received.The light-dividing device
131 are also used to transmit the first primary lights and third primary lights that the Wavelength converter 121 is emitted.
In another embodiment, the light-dividing device 131 can plate diaphragm or reflecting mirror for region.Wherein, described
Plate the peripheral region that diaphragm includes central area and is located at around the central area, the center of the region plating diaphragm in region
What the first primary lights and the second light source 112 of domain or the reflecting mirror for reflecting the transmitting of first light source 111 emitted
Second primary lights.The second area 1212, which is used to receive from the region, plates the first primary colours that diaphragm or reflecting mirror reflect
Light, and reflection is scattered to the first primary lights received.Wherein, the size of reflecting mirror is small as far as possible, if can by 4/5 with
On exciting light reflection.The peripheral region of the region plating diaphragm or the peripheral region except the reflecting mirror are used to transmit
The third primary lights and the first primary lights being emitted from the second area 1212.
In another embodiment, the light directing arrangement may also include one or more reflection units, and (figure is not
Show), the reflection unit is for guiding the second primary lights being emitted from the light-dividing device to the first beam condensing unit.
Referring to Fig. 1, in the present embodiment, the light directing arrangement further includes the first beam condensing unit 133, described
First beam condensing unit 133 is set in the optical path between the light-dividing device 131 and the output device 150, for receive from
The second primary lights and third primary lights and the secondth area through the Wavelength converter 121 that the light-dividing device 131 is emitted
The first primary lights that domain 1212 scatters, and first primary lights received, the second primary lights and third primary lights are carried out
It focuses, after even light and shaping, is emitted to the output device 150.
In the present embodiment, the light directing arrangement further includes the second beam condensing unit 134, second beam condensing unit
134 are set in the optical path between the light-dividing device 131 and the Wavelength converter 121, are used for the light-dividing device
131 emergent light is focused before being incident to the Wavelength converter 121, even light and shaping, and for will be described
The emergent light of Wavelength converter 121 is focused before being incident to the light-dividing device 131, even light and shaping.
100 structure of light-source system provided by the invention is simple, and Wavelength converter only needs to be arranged two regions, passes through control
Device processed is in first optical path according to the different zones of the Wavelength converter and generates light source control signal to control
The light-emitting period of first light source and second light source can meet different projection or lighting demand, can answer so that light-emitting mode is adjustable
For in the projection arrangement or lighting device of one chip spatial light modulator.
Referring to Fig. 6, being the structural schematic diagram of the light-source system 200 of second embodiment of the invention.Second embodiment
Light-source system 200 and the main distinction of the light-source system 100 of first embodiment be, in the second embodiment,
Light-dividing device 231 is dichroic piece, and the second area 1212 of Wavelength converter 221 is saturating from the dichroic piece for receiving
The first primary lights penetrated/reflected, and transmission is scattered to first primary lights received.It should be noted that
In the range of the spirit or essential attributes of the embodiment of the present invention, each concrete scheme suitable for first embodiment can also phase
Answer suitable for second embodiment, for the sake of saving space and avoiding repetition, details are not described herein again.
In one embodiment, transparent material can be used in the second area 1212, so as to the first base received
Coloured light is scattered transmission.In other embodiments, the second area 1212 can be set as through-hole structure, so as to receiving
The first primary lights transmitted.
In the second embodiment, the light directing arrangement further includes reflection unit 232, the reflection unit 232
For the first primary lights being emitted from the second area 1212 to be reflexed to the first beam condensing unit 233.
In the second embodiment, the light-dividing device 231 is used to transmit the first primary colours of the transmitting of first light source 211
The second primary lights that light and second light source 212 emit.
It is appreciated that in another embodiment, the light-dividing device 231 can be used for reflecting the transmitting of first light source 211
The second primary lights that first primary lights and second light source 212 emit.The first area 1211 of the Wavelength converter 221 is used for
The first primary lights for reflecting from the light-dividing device 231 are received to generate the third primary lights, and by described the of generation
Three primary colours light reflexes to the light-dividing device 231.The light-dividing device 231 is also used to transmit the Wavelength converter 221 and goes out
The third primary lights penetrated.
In another embodiment, the light directing arrangement may also include one or more reflection units, and (figure is not
Show), the reflection unit is for guiding the second primary lights being emitted from the light-dividing device to the first beam condensing unit.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of light-source system, which is characterized in that the light-source system includes:
Light supply apparatus, including the first light source for emitting the first primary lights, and the second light for emitting the second primary lights
Source；
Wavelength converter, includes at least first area and second area, and first primary lights pass through the first optical path alternately
It is radiated at the first area and the second area, wherein the first area is equipped with wavelength conversion material, for absorbing
It states the first primary lights and generates third primary lights, the second area is for scattering first primary lights, wherein the third
The wavelength of primary lights is different from the wavelength of first primary lights；
Output device；
Light directing arrangement, for guiding first primary lights to the Wavelength converter, and by second primary colours
Light, the first primary lights being emitted from the Wavelength converter and third primary lights are guided to the output device；And
Control device, for generating first light source control signal and/or second light source control signal；
Wherein, the first light source control signal is used to be in first light according to the different zones of the Wavelength converter
The period that road controls the first light source and second light source shines, so that the output device exports tri- base of RGB in timing
Coloured light, the second light source control signal are used to be in first optical path according to the different zones of the Wavelength converter
The first light source and the second light source luminous period are controlled, so that the output device exports RGBY coloured light in timing.
2. light-source system as described in claim 1, it is characterised in that: the first light source control signal is used in a cycle
The first interior preset period of time controls the first light source and closes, and remaining period control described first within one period
Light source is opened；
The first light source control signal is also used to the control of first preset period of time within one period described second
Light source is opened, and remaining period within one period controls the second light source and closes, so that the output device exists
RGB three primary colours light is exported in timing；
Wherein, first preset period of time is that the first area is in the partial period in the period in first optical path,
And it is at the time of first optical path is left in the first area, the second area initially enters first optical path
At the time of first preset period of time terminates.
3. light-source system as described in claim 1, it is characterised in that: the second light source control signal is used in a cycle
The second interior preset period of time controls the first light source and closes, and remaining period control described first within one period
Light source is opened；
The second light source control signal is also used to the second preset period of time and third preset period of time control within one period
It makes the second light source to open, and remaining period within one period controls the second light source and closes, so that described
Output device exports RGBY coloured light in timing；
Wherein, second preset period of time is that the first area is in the partial period in the period in first optical path,
The third preset period of time is that first optical path, described is left in the second preset period of time finish time to the first area
Period between at the time of second area initially enters first optical path.
4. light-source system as described in claim 1, it is characterised in that: the first light source is blue excitation light source, for sending out
Penetrate blue excitation light；
The second light source is red light source, for emitting red light；
The wavelength conversion material is green wavelength transition material, and the third primary lights are green fluorescence.
5. such as the described in any item light-source systems of Claims 1 to 4, it is characterised in that: the light directing arrangement includes light splitting dress
It sets, the light-dividing device emits for the first primary lights of the transmitting of first light source described in transmission/reflection/angle and the second light source
Second primary lights；
The first area of the Wavelength converter be used for receives from the light-dividing device transmission/reflection/angle out the first primary lights with
The third primary lights are generated, and the third primary lights of generation are reflexed into the light-dividing device；
The light-dividing device is also used to third primary lights described in reflection/transmission.
6. light-source system as claimed in claim 5, it is characterised in that: the light-dividing device is dichroic piece, and the wavelength turns
The second area of changing device is used to receive the first primary lights gone out from the dichroic piece transmission/reflection/angle, and to the institute received
It states the first primary lights and is scattered transmission；
The light directing arrangement further includes reflection unit, and the reflection unit is emitted for receiving and reflecting from the second area
The first primary lights.
7. light-source system as claimed in claim 5, it is characterised in that: the light-dividing device is that diaphragm, the region are plated in region
The peripheral region that diaphragm includes central area and is located at around the central area is plated, the central area of the region plating diaphragm is used
In the second primary lights of the first primary lights and second light source transmitting for transmiting the first light source transmitting；
The second area of the Wavelength converter is used to receive the first primary lights transmitted from region plating diaphragm, and right
The first primary lights received are scattered reflection；
The peripheral region of the region plating diaphragm is for receiving and reflecting the third primary lights and go out from the second area
The first primary lights penetrated.
8. light-source system as claimed in claim 5, it is characterised in that: the light-dividing device is that diaphragm or reflecting mirror are plated in region,
The peripheral region that diaphragm includes central area and is located at around the central area is plated in the region, and the region is plated in diaphragm
Heart district domain or the reflecting mirror be used to reflect the first light source transmitting the first primary lights and second light source transmitting the
Two primary lights；
The second area of the Wavelength converter, which is used to receive from the region, plates the first base that diaphragm or reflecting mirror reflect
Coloured light, and reflection is scattered to the first primary lights received；
The peripheral region of the region plating diaphragm or the peripheral region except the reflecting mirror are used to transmit the third primary lights
And the first primary lights being emitted from the second area.
9. light-source system as claimed in claim 5, it is characterised in that: the light directing arrangement further includes the first beam condensing unit,
First beam condensing unit is used to receive described in the second primary lights being emitted from the light-dividing device and third primary lights and warp
First primary lights of the second area scattering of Wavelength converter, and first primary lights, the second primary lights that will be received
It is focused with third primary lights, after even light and shaping, is emitted to the output device.
10. a kind of projection arrangement, it is characterised in that: the projection arrangement includes as in one of claimed in any of claims 1 to 9
Light-source system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719396.9A CN109426051A (en) | 2017-08-21 | 2017-08-21 | Light-source system and projection arrangement |
| PCT/CN2017/114733 WO2019037327A1 (en) | 2017-08-21 | 2017-12-06 | Light source system and projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719396.9A CN109426051A (en) | 2017-08-21 | 2017-08-21 | Light-source system and projection arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN109426051A true CN109426051A (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710719396.9A Pending CN109426051A (en) | 2017-08-21 | 2017-08-21 | Light-source system and projection arrangement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109426051A (en) |
| WO (1) | WO2019037327A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008333A1 (en) * | 2019-07-16 | 2021-01-21 | 深圳光峰科技股份有限公司 | Color correction method for lighting system and lighting system |
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| CN101937162A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | Light supply apparatus, projection arrangement and projecting method |
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| WO2019037327A1 (en) | 2019-02-28 |
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Application publication date: 20190305 |