CN103309138A - Light source system for projection device - Google Patents
Light source system for projection device Download PDFInfo
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- CN103309138A CN103309138A CN2012100610037A CN201210061003A CN103309138A CN 103309138 A CN103309138 A CN 103309138A CN 2012100610037 A CN2012100610037 A CN 2012100610037A CN 201210061003 A CN201210061003 A CN 201210061003A CN 103309138 A CN103309138 A CN 103309138A
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Abstract
The invention discloses a light source system for a projection device. The system comprises a light emitting element, a color wheel and at least one actuator. The light emitting element moderately emits a first wave band beam; the color wheel comprises a wheel disc and a plurality of wave band transition blocks which are formed on the wheel disc; and the at least one actuator which is connected with the color wheel moves the color wheel to a selected position, so that the first wave band beam is projected to one of the plurality of wave band transition blocks and is excited to be a plurality of selected wave band transition beams. The light source system of the invention can automatically adjust the position of the color wheel, so that after the beams emitted by the light emitting element are projected to the color wheel, colored light different in the chroma and brightness can be transformed optionally and the chroma and brightness of the projection picture projected by the projection device can be adjusted according to the needs.
Description
Technical field
The present invention relates to a kind of light-source system for laser projection device, particularly a kind ofly comprise of the same colour the wheel and have a plurality of wave bands conversion blocks, and can adjust the light-source system of the position of a colour wheel automatically.
Background technology
Projection arrangement is general being applied in the environment such as various business meetings and family's theater now, and owing to people improve for the requirement of visual enjoyment, projection arrangement need adjust the projected picture of various different chromas and brightness according to the different demand of user especially.
Wherein, having now utilizes laser light as the projection arrangement of light source, it is the mode that excites red to produce, blue, the green or sodium yellow of the fluorescent powder of coating on the colour wheel by laser beam, imaging system by projection arrangement converts described a plurality of coloured light to projected picture again, yet, often only can change out the projected picture of a kind of specific chroma or certain luminance with the coloured light that this kind mode inspires, and can't adjust various different chroma or the projected picture of brightness according to demand.For solving foregoing problems, Chang Bixu replaces with another new colour wheel in manual mode with former fluorescence, when making laser beam excite this newly-increased colour wheel, produced the coloured light that chroma and brightness are different from former colour wheel, right this kind substitute mode not only time-consuming take a lot of work and also can't be fully with colour wheel precisely to being positioned at light source the place ahead, moreover also must at the newly-increased at least one color block module of a demand in light-source system, will cause the production cost of projection arrangement to increase.
In view of this, research and develop a kind of light-source system and must produce the coloured light of various different chromas and brightness according to demand automatically, and then effectively regulate chroma and the brightness of the projected picture of projection arrangement, and simplify the structure of projection arrangement and exempt the complicated disappearance of adjustment program, just become for this reason industry to need the target of reaching badly.
Summary of the invention
For addressing the above problem, a purpose of the present invention is to provide a kind of light-source system for projection arrangement, this light-source system gets a position of adjusting its colour wheel automatically, after the light beam that makes light-emitting component project is projected to colour wheel, optionally convert the coloured light of various different chromas and brightness to, chroma and the brightness of the projected picture that projection arrangement projects can be adjusted on demand.
For reaching above-mentioned purpose, the light-source system that the present invention is used for projection arrangement comprises a light-emitting component, one colour wheel and at least one actuator, this light-emitting component is suitable can to produce one first wave band light, this colour wheel comprises a wheel disc, a plurality of wave band conversion blocks and a rotating shaft are arranged at the central authorities of this wheel disc, described a plurality of wave band conversion block is formed on this wheel disc, this wheel disc can rotate centered by this rotating shaft, this at least one actuator and this colour wheel join, move to a selected location in order to adjust this colour wheel, a wherein wave band that makes this excitation line be projected to described a plurality of wave band conversion blocks is changed block and is inspired a plurality of selected wave band light.By the selected location of adjusting colour wheel, make the band of light line of winning to be projected to different wave band conversion blocks according to demand, and produce chroma and the different a plurality of coloured light of brightness, and then make projected picture must have the multicolour contextual model to be available for users to select.
This light-source system of the present invention can be adjusted a position of its colour wheel automatically, after the light beam that makes light-emitting component project is projected to colour wheel, optionally convert the coloured light of various different chromas and brightness to, chroma and the brightness of the projected picture that projection arrangement projects can be adjusted on demand.
For above-mentioned purpose, technical characterictic and advantage can be become apparent, hereinafter be elaborated with the preferred embodiment conjunction with figs..
Description of drawings
Figure 1A is projected to the synoptic diagram of first wave band conversion block for the first wave band light of the light-source system of one embodiment of the invention;
Figure 1B is projected to the synoptic diagram of second wave band conversion block for the second wave band light of the light-source system of one embodiment of the invention;
Fig. 2 is the front schematic view of colour wheel of the light-source system of one embodiment of the invention;
Fig. 3 A is the colour wheel of light-source system of one embodiment of the invention and the relativeness synoptic diagram of light-emitting component; And
Fig. 3 B is the colour wheel of light-source system of another embodiment of the present invention and the relative position relation synoptic diagram of light-emitting component.
Wherein, description of reference numerals is as follows:
1 light-source system
11 light-emitting components
111 first wave band light
12 colour wheels
121 wheel discs
More than 122 wave band conversion block
122a first wave band conversion block
122b second wave band conversion block
123 rotating shafts
13 actuators
14 memory modules
The 141a first contextual model signal
The 141b second contextual model signal
15 control modules
The x horizontal direction
The y direction
A first selected location
B second selected location
The R1 first red fluorescence zone
The B1 first blue-fluorescence zone
The G1 first green fluorescence zone
The Y1 first yellow fluorescence zone
The R2 second red fluorescence zone
The B2 second blue-fluorescence zone
The G2 second green fluorescence zone
Embodiment
Please join Figure 1A.Figure 1A is the synoptic diagram of light-source system 1 of the present invention for a projection arrangement, and light-source system 1 comprises a light-emitting component 11, a colour wheel 12 and at least one actuator 13.In present embodiment, light-emitting component 11 is that a laser diode is suitable to produce one first wave band light 111, please join Fig. 2, Fig. 2 is for being the front schematic view of colour wheel 12, colour wheel 12 comprises a wheel disc 121, a plurality of wave bands are changed blocks 122 and are arranged at the rotating shaft 123 of the central authorities of wheel disc 121, described a plurality of wave band conversion block 122 is formed on the wheel disc 121, and in present embodiment, can utilize a plurality of fluorescent materials to be formed on the wheel disc 121 in the mode of plated film, wheel disc 121 rotates centered by rotating shaft 123, at least one actuator 13 interconnects with colour wheel 12, on a direction y, move to a selected location in order to adjust colour wheel 12, a wherein wave band that makes the first wave band light 111 can be projected to described a plurality of wave band conversion blocks 122 is changed block and is excited into a plurality of selected wave band light, and this projection arrangement comprises an image-forming module just can change into described a plurality of selected wave band light one projected picture (figure does not illustrate).
It should be noted that light-source system of the present invention can be adjusted the selected location of colour wheel by manual or electronic mode driving actuator, below only view similar adjust the selected location of colour wheel with electronic mode driving actuator.
From the above, please continue ginseng Figure 1A, light-source system 1 comprises a memory module 14 and a control module 15 of mutual electric connection, memory module 14 can be stored a plurality of contextual model signals in advance, control module 15 is connected with at least one actuator 13, control module 15 is suitable can be driven the consistent at least device 13 that move according to one of them of described a plurality of contextual model signals and adjusts colour wheels 12 and move to this selected location in direction y, makes excitation line 111 be projected to described a plurality of wave band and changes a wherein wave band of blocks 122 and change block.In present embodiment, direction y is a vertical direction, that is please join Fig. 3 A, Fig. 3 A is the relative position relation synoptic diagram of colour wheel 12 and light-emitting component 11, one top of the reliable advancing coloud nearside wheel 12 in the position that light-emitting component 11 is put, and at least one actuator 13 moves up and down with regard to the adjustable optical element 11 of haircuting, and makes the first wave band light 111 can be projected to one of them that described a plurality of wave band is changed blocks 122.
Yet, in other embodiments of the invention, please join Fig. 3 B, also can adjust colour wheel 12 and move in a horizontal direction x, that is, a sidepiece of the reliable advancing coloud nearside wheel 12 in the position that light-emitting component 11 is put, and at least one actuator 13 is with regard to adjustable optical element 11 move left and right of haircuting.So, colour wheel 12 is not limited in aforementioned mobile on horizontal or vertical direction, also can select colour wheel 12 after other either party move up, and makes the first wave band light 111 be projected to a wherein ring of described a plurality of wave band conversion blocks 122.
Now be described in further detail the structure of colour wheel 12, as shown in Figure 2, described a plurality of wave band conversion blocks 122 of colour wheel 12 have one first wave band conversion block 122a and one second wave band conversion block 122b, first wave band conversion block 122a is formed at a periphery 121a of wheel disc 121, and second wave band conversion block 122b then is formed between rotating shaft 123 and first wave band conversion block 122a.In present embodiment, first wave band conversion block 122a has one first red fluorescence zone R1, one first blue-fluorescence zone B1, one first green fluorescence zone G1 and one first yellow fluorescence zone Y1, second wave band conversion block 122b then has one second red fluorescence zone R2, one second green fluorescence zone G2 and one second blue-fluorescence zone B2, wherein, in other embodiments of the invention, the fluorescence area of described a plurality of wave band conversion blocks 122 all can adjust collocation according to demand, be not restricted in this, for example, also replaceable one-tenth one white fluorescent zone of the yellow fluorescence of first wave band conversion block 122a zone Y1.When wheel disc 121 rotates centered by rotating shaft 123, the first wave band light 111 can be projected to each fluorescence area of described a plurality of wave band conversion blocks 122, to inspire the light of various different-wavebands, and chroma and brightness that the first wave band light 111 is projected to the wave band light that first wave band conversion block 122a and second wave band conversion block 122b produce respectively are inequality, so just can make the image-forming module of projection arrangement produce the projected picture of different chromas and brightness, will details are as follows about the flowing mode of doing of present embodiment.
Clearer and more definite, light source module 1 of the present invention can be pre-defined goes out a plurality of contextual models and is representing a plurality of color situations, and correspondence sets out a plurality of contextual model signals in advance and is stored in the memory module, for example, the default described a plurality of contextual models of present embodiment are two kinds of contextual models: high chroma contextual model and high brightness contextual model, and the two contextual model signals that define correspondence can have one first contextual model signal 141a and one second contextual model signal 141b, the first contextual model signal 141a can be set at a high chroma contextual model signal in present embodiment, and the second contextual model signal 141b can be set at a high brightness contextual model signal.Please join Figure 1A, the first contextual model signal 141a is suitable can be driven the consistent at least device 13 that moves and moves to one first selected location A in direction y when control module 15 receives, when the first selected location A, the first wave band light, 111 suitable first wave bands that can be projected to are changed block 122a and are excited into a plurality of first selected wave band light, and just aforementioned described a plurality of wave band light of mentioning can be the described a plurality of first selected wave band light that is different from the first wave band light under the first contextual model signal 141a.
Please continue ginseng Figure 1B, if control module 15 receives the second contextual model signal 141b, suitable can drive the consistent at least device 13 that moves and on direction y, move to one second selected location B, excitation line 111 suitable second wave bands that can be projected to are changed block 122b and are excited into a plurality of second selected wave band light, and just aforementioned described a plurality of wave band light of mentioning are the described a plurality of second selected wave band light that is different from the first wave band light under the second contextual model signal 141b.
In other words, adjust chroma and the brightness of the fluorescence area of first wave band conversion block 122a and second wave band conversion block 122b, just the chroma that can control the described a plurality of first selected wave band light is higher than the chroma of the described a plurality of second selected wave band light, and then utilize the described a plurality of first selected band of light line to form the projected picture of higher chroma, and the brightness that can control the described a plurality of second selected wave band light is higher than the brightness of the described a plurality of first selected wave band light, and then utilizes the described a plurality of second selected band of light line to form the projected picture of higher brightness.In addition, light 111 inspires the higher coloured light of chroma because first wave band conversion block 122a can be excited, relative its excites the temperature that produces also compared to the temperature height that excites second wave band conversion block 122b to produce, therefore first wave band conversion block 122a periphery that is formed at colour wheel 12 just can fall the heat energy loss fast, and it is overheated that wheel disc 121 is difficult for.
Except above-mentioned preestablishing excites first wave band conversion block 122a and second wave band conversion block 122b can obtain the coloured light of different chromas and brightness, in other embodiments of the invention, can increase various wave band conversion block newly is formed on the colour wheel, for example, can increase triband conversion block (figure does not illustrate) between second wave band conversion block 122b and rotating shaft 123 newly, and adjust its chroma that inspires wave band light and brightness value and excite first wave band conversion block 122a and wave band light that second wave band conversion block 122b produces different, and can further set one the 3rd situation signal, make at least one actuator 13 adjust colour wheel 12 to 1 the 3rd selected locations according to the 3rd situation signal, light-emitting component can be projected to excitation line triband conversion block, this is that those of ordinary skills should spread to easily, repeats no more in this.
Need the expositor, the shape of each element of light-source system of the present invention that accompanying drawing illustrates, size and at least one actuator 13, the relative position relation that memory module 14 and control module are 15 is only for asking easy understanding, non-in order to limit practical structures, ratio and the position of putting, as long as can adjust a selected location of colour wheel 12 by manual or electronic mode driving actuator 13, make the first wave band light 111 of light-emitting component 11 can be projected to described a plurality of wave band conversion blocks 122 of colour wheel 12, just can reach the present invention and control the purpose that colour wheel 12 moved and inspired various different color lights.
In sum, light-source system compared to existing projection arrangement passes through to replace inner colour wheel, the present invention is used for the light source module of projection arrangement, only have single colour wheel and comprise a plurality of wave band conversion blocks, and by adjusting the position of single colour wheel, so that the light of light-emitting component must project the projected picture of various chromas and brightness by colour wheel, and then the color change degree of the imaging picture of increase projection arrangement, also can simplify unnecessary element and replacement program, to reduce the production cost of projection arrangement.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to limit category of the present invention.Any those of ordinary skills can unlabored change or the arrangement of isotropism all belong to the scope that the present invention advocates, protection scope of the present invention should be as the criterion with the claim scope.
Claims (15)
1. a light-source system that is used for a projection arrangement is characterized in that, comprises:
One light-emitting component can provide one first wave band light;
One colour wheel, this colour wheel comprise a wheel disc, a plurality of wave band conversion block and a rotating shaft, and this rotating shaft is arranged at the central authorities of this wheel disc, and described a plurality of wave band conversion block is formed on this wheel disc, and this wheel disc rotates centered by this rotating shaft; And
One actuator, be connected with this colour wheel, move to a selected location in order to adjust this colour wheel, make this first wave band light be projected to one of them wave band conversion block of described a plurality of wave band conversion blocks, and inspire a plurality of selected wave band light that is different from this first wave band light.
2. light-source system as claimed in claim 1, wherein said a plurality of wave band conversion block has the one first wave band conversion block of a periphery that is formed at this wheel disc, this actuator can drive this colour wheel and move to one first selected location, make this first wave band light be projected to this first wave band conversion block, and inspire a plurality of first selected wave band light.
3. light-source system as claimed in claim 2, wherein said a plurality of wave band conversion block has and is formed between this rotating shaft and this first wave band conversion block one second wave band and changes block, this actuator can drive this colour wheel and move to one second selected location, make this first wave band light be projected to this second wave band conversion block, and inspire a plurality of second selected wave band light.
4. light-source system as claimed in claim 3, wherein respectively a chroma of this first selected wave band light is higher than a respectively chroma of this second selected wave band light.
5. light-source system as claimed in claim 4, wherein respectively a brightness of this second selected wave band light is higher than a respectively brightness of this first selected wave band light.
6. light-source system as claimed in claim 5, wherein said a plurality of wave bands conversion blocks are that the mode of a plurality of fluorescent materials with plated film is formed on this wheel disc.
7. light emitting module as claimed in claim 6, wherein this first wave band light is a laser diode.
8. light-source system as claimed in claim 7, wherein this first wave band conversion block has one first red fluorescence zone, one first blue-fluorescence zone, one first green fluorescence zone and one first yellow fluorescence zone.
9. light-source system as claimed in claim 7, wherein this first wave band conversion block has one first red fluorescence zone, one first blue-fluorescence zone, first green fluorescence zone and one first white fluorescent zone.
10. light-source system as claimed in claim 7, wherein this second wave band conversion block has one second red fluorescence zone, one second green fluorescence zone and one second blue-fluorescence zone.
11. light-source system as claimed in claim 7, wherein this light-source system comprises a memory module and a control module of mutual electric connection, this memory module is stored a plurality of contextual model signals, this control module and this actuator electrically connect, this control module can drive this actuator according to one of them of described a plurality of contextual model signals and adjust this colour wheel and move to this selected location, make this first wave band light be projected to one of them wave band conversion block of described a plurality of wave band conversion blocks, and inspire the described a plurality of selected wave band light that is different from this first wave band light.
12. light-source system as claimed in claim 11, wherein said a plurality of contextual model signal has one first contextual model signal, this control module receives this first contextual model signal and can drive this actuator and adjusts this colour wheel and move to this first selected location, makes this first wave band light can be projected to this first wave band conversion block and inspires the described a plurality of first selected wave band light.
13. light-source system as claimed in claim 12, wherein said a plurality of contextual model signal has one second contextual model signal, this control module receives this second contextual model signal and can drive this actuator and adjusts this colour wheel and move to this second selected location, makes this first wave band light can be projected to this second wave band conversion block and inspires the described a plurality of second selected wave band light.
14. light-source system as claimed in claim 7, wherein this actuator can drive this colour wheel of adjustment with manual mode and move to this selected location, make this first wave band light be projected to one of them wave band conversion block of described a plurality of wave band conversion blocks, and inspire the described a plurality of selected wave band light that is different from this first wave band light.
15. light-source system as claimed in claim 1, wherein this projection arrangement comprises an image-forming module, and this image-forming module converts described a plurality of selected wave band light to a projected picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100610037A CN103309138A (en) | 2012-03-09 | 2012-03-09 | Light source system for projection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100610037A CN103309138A (en) | 2012-03-09 | 2012-03-09 | Light source system for projection device |
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| CN103309138A true CN103309138A (en) | 2013-09-18 |
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| CN2012100610037A Pending CN103309138A (en) | 2012-03-09 | 2012-03-09 | Light source system for projection device |
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| CN105049821A (en) * | 2015-08-04 | 2015-11-11 | 海信集团有限公司 | Method and device for automatically adjusting color wheel |
| WO2018014617A1 (en) * | 2016-07-19 | 2018-01-25 | 深圳市绎立锐光科技开发有限公司 | Colour wheel module, light-emitting device and projection system |
| CN107632488A (en) * | 2017-10-31 | 2018-01-26 | 广景视睿科技（深圳）有限公司 | A kind of fluorescence colour wheel excitation apparatus and its projection module |
| CN108710256A (en) * | 2018-03-30 | 2018-10-26 | 苏州佳世达光电有限公司 | Spectral module and apply its projection arrangement |
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Application publication date: 20130918 |