CN101598887A - Projection arrangement - Google Patents
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- CN101598887A CN101598887A CNA2008101084954A CN200810108495A CN101598887A CN 101598887 A CN101598887 A CN 101598887A CN A2008101084954 A CNA2008101084954 A CN A2008101084954A CN 200810108495 A CN200810108495 A CN 200810108495A CN 101598887 A CN101598887 A CN 101598887A
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Abstract
The invention provides a kind of projection arrangement, on object, it comprises sensing cell, control module, light source module and optical processing unit for projected image.Sensing cell produces sensing signal.Control module and sensing cell are coupled, and according to sensing signal, produce control signal.Light source module is for the output polychromatic light, and the polychromatic light that adjustment is exported according to control signal.The optical processing unit receives the polychromatic light that light source module is exported, and produces projected image.
Description
Technical field
The invention relates to a kind of projection arrangement, specifically, projection arrangement is according to different external environment condition light sources or carry out the adjustment of projected image according to different projected areas.
Background technology
In the known technology, the optical facilities of optical projection system are changeless mostly, even if can change, also be limited, the light that light source produces in the optical projection system for example, its color, wave band or brightness are generally fixing, or can only change in default several modes, and can't satisfy projection environment in fact miscellaneous.Especially, carry out projection under the environment for use of high brightness, the effect of its image obviously is lower than the effect of carrying out projection in the darkroom.In addition, known optical projection system also can't dynamically be adjusted the white balance of image.
In view of this, be need a kind of can be with external environment condition or view field's image and self-adjusting projection arrangement except adjusting the brightness, can also be adjusted white balance.
Summary of the invention
One aspect of the present invention is to provide a kind of projection arrangement, and the sensing signal that utilizes sensing apparatus to produce offers sensing signal control module in order to the control light source module, again to produce projected image by the optical processing unit.
The present invention is to provide a kind of projection arrangement on the other hand, the sensing signal that utilizes sensing apparatus to produce, again sensing signal is offered control module in order to the control light source module, in order to adjust the polychromatic light that light source module is exported, with the white balance or the light intensity of further adjustment projected image.
The present invention is to provide a kind of projection arrangement on the other hand, utilize the sensing signal that light intensity or photochromism produced of light sensors external environment condition, and provide control module in order to the control light source module, in order to adjust white balance or the light intensity that light source module is exported.
In an embodiment, a kind of projection arrangement is provided, for producing projected image on object, its projection arrangement comprises sensing cell, control module, light source module and optical processing unit.Sensing cell produces sensing signal.Control module and sensing cell are coupled, and according to sensing signal, produce control signal.Light source module is for the output polychromatic light, and the polychromatic light that adjustment is exported according to control signal.The optical processing unit receives the polychromatic light that light source module is exported, and produces projected image.Wherein, the optical processing unit also can be according to control signal, with the white balance or the light intensity of further this projected image of adjustment.
The present invention also provides a kind of method of projected image, and for producing projected image on object, this method comprises: produce sensing signal; In response to this sensing signal, produce control signal; Polychromatic light according to this control signal adjustment output; And the polychromatic light that receives output, in order to produce this projected image.
The present invention also provides a kind of electronic installation with above-mentioned projection arrangement, comprises: projection arrangement, and for producing projected image on object, comprise: sensing cell produces sensing signal; Control module is coupled with this sensing cell, and according to this sensing signal, produces control signal; Light source module, for the output polychromatic light, and the polychromatic light of being exported according to this control signal adjustment; And the optical processing unit, receive the polychromatic light that this light source module is exported, and produce this projected image; Wherein this light source module is adjusted the polychromatic light that this light source module is exported according to this control signal, with the white balance or the light intensity of further this projected image of adjustment.
Cooperate narration and the graphic explanation of following preferred embodiment, purpose of the present invention, embodiment, feature, reaching advantage will be more clear.
Description of drawings
Fig. 1 is in the calcspar of the projection arrangement of embodiment according to the present invention;
Fig. 2 is the synoptic diagram of the projection arrangement of the explanation embodiment of the invention;
Fig. 3 is that explanation the present invention is in the synoptic diagram of the projection arrangement of embodiment;
Fig. 4 is that explanation the present invention is in the synoptic diagram of the light source module of embodiment;
Fig. 5 is that explanation the present invention is in the synoptic diagram of the light source module of embodiment; And
Fig. 6 is that explanation the present invention is in the method flow diagram of the projected image of embodiment.
[main element label declaration]
Projection arrangement 100,200,300
Sensing cell 102,202,302
Sensing signal SS
Control module 104,204,304
Control signal CS
Light source module 106,206,306,400,500
RGB coloured light CL
Optical processing unit 108,208,308
Projected image PI
External environment condition light source EO
Luminescence unit 402,502
White light WL
Embodiment
The present invention discloses a kind of projection arrangement, for producing projected image on object.In order to make narration of the present invention more detailed and complete, can and cooperate that Fig. 1's to Fig. 5 is graphic with reference to following description.
With reference to figure 1, be in the calcspar of the projection arrangement 100 of embodiment according to the present invention.For instance, projection arrangement 100 also can be integrated in personal computer, notebook computer, personal digital assistant, mobile phone or movable video-audio device except can be independent projector.
With reference to figure 2, be the synoptic diagram of the projection arrangement 200 of the explanation embodiment of the invention.With reference to the explanation of figure 1, when sensing cell 202 was the capturing images device, fechtable projection arrangement 200 was incident upon the projected image PI on screen or the wall in the lump, and sensing cell 202 can obtain the color or the brightness message of image from the projected image PI of acquisition by this.So message can offer control module 204 by sensing signal SS, with judge the projected image PI color on the screen of being presented in or the wall whether be projection arrangement 200 correct colors to be presented.
For instance, solid white image PI desires to present in projection arrangement 200 original institutes, but if solid white image PI is projected under the situation of yellow environment light source, the image PI that the user watched tends to inclined to one side Huang, but not pure white.Control module 204 carries out analyzing and processing according to sensing signal SS again, produces the control signal CS that adjusts output color message.This control signal CS inputs to light source module 206, in order to the special ratios of the polychromatic light CL that provides to be provided, for example projection arrangement 200 projects the projected image PI of correct color according to setting, yet when projected image PI is in following time of environment light source of inclined to one side yellow, the actual color of projected image PI that detects on display screen or the wall by sensing cell 202 is inclined to one side yellow, and sends sensing signal SS accordingly to control module 204; Control module 204 sends control signal CS again to light source module 206, to increase the ratio of medium blue coloured light, makes original projected image PI of yellow partially, is shown as the projected image PI of correct color.Above-mentioned compensation correction generally also is called the image white balance correction.In addition, when the luminance brightness that presents as projected image PI is too high, will make the picture material details of projected image PI be difficult for distinguishing, so adjust the intensity of light source modules 206, the correction of reaching brightness of image by control module 204.
With reference to figure 3, be that explanation the present invention is in the synoptic diagram of the projection arrangement 300 of embodiment.With reference to the explanation of figure 1, when sensing cell 302 is optical sensor, can detect light intensity and the photochromism of outside environment for use light EO in the lump, and produce sensing signal SS, for example optical sensor can be photometer or colorimeter.The message of light intensity like this or photochromism, can offer control module 304 by sensing signal SS, to judge whether light source module 306 needs to improve/reduce the intensity of light source, perhaps change the color of light source, make projection arrangement 300 produce the user can be known and cosily watch projected image PI, and unlikely too strongly, the projected image PI of too faint or incorrect color etc.
Sensing signal SS by sensing cell 302 offers control module 304, carries out the light intensity of external environment condition or the analyzing and processing of photochromism, produces the control signal CS that adjusts output light intensity or photochromism message.This control signal CS provide light source module 306, in order to the light intensity or the photochromism of the light source module that provides 306 to be provided, for example with the sensed messages of light intensity, provide higher electric current to give this light source module 306, produce higher light intensity, in order to the part of compensation projected image luminance shortage, perhaps can reduce the light intensity of projection, in order to the eyes of saving electric power and avoiding bright image to stimulate the user.
With reference to figure 4, be that explanation the present invention is in the synoptic diagram of the light source module 400 of embodiment.Light source module 400 comprises luminescence unit 402 and colour wheel 403.Luminescence unit 402 for example directly utilizes high-pressure halogen lamp (UHP) to produce light source for producing white light.One termination of colour wheel 403 is received light source WL, and filters, and produces polychromatic light CL in colour wheel 403 other ends, and for example light source then filters out red light through the red area of colour wheel 403.About material or other details of colour wheel 403, those skilled in the art can learn with reference to the colour wheel in the known projection machine, not add at this and give unnecessary details.But be that with the known technology difference light source module 400 can be adjusted the rotating speed of colour wheel 403, the brightness of luminescence unit 402 according to the control of control signal CS, or adjust the light quantity that luminescence unit 402 or colour wheel 403 are exported, it is described in detail as follows.
In one embodiment, control signal CS1 is in order to adjust the rotating speed of colour wheel 403, and the heterogeneous light time of colour wheel 403 outputs has special ratios by this.For example, control signal CS1 adjusts the rotating speed of colour wheel 403, makes that rotating speed reduces in colour wheel 403 a certain color regions (for example red).That is, with respect to green and blue region, increase the time that luminescence unit 402 is incident to red area in colour wheel 403, so colour wheel 403 other ends produce the red light CL of higher proportion.
In another embodiment, it is certain that the rotating speed of colour wheel 403 keeps, but control signal CS2 is in order to adjust the intensity of luminescence unit 402, and the heterogeneous light light intensity of being exported by colour wheel 403 has special ratios.For example, control signal CS2 adjusts the intensity of luminescence unit 402, makes the light that is sent when luminescence unit 402 be incident to colour wheel 403 a certain color regions (for example red), and intensity increases.That is with respect to green and blue region, therefore the intensity when increasing luminescence unit 402 and being incident in colour wheel 403 red area produce the red light CL of higher proportion in colour wheel 403 other ends.
In another embodiment, light source module 400 also comprises lightproof unit 404, has aperture in order to adjust the light quantity that luminescence unit 402 or colour wheel 403 are exported.Rotating speed maintenance one timing when colour wheel 403, it is certain that the brightness of luminescence unit 402 also keeps, but aperture size by control signal CS3 control lightproof unit 404, the light quantity that luminescence unit 402 exports colour wheel 403 to is adjusted in control, and the heterogeneous light light intensity that makes colour wheel 403 be exported has special ratios.For example, when lightproof unit 404 is between luminescence unit 402 or colour wheel 403, adjust the aperture size of lightproof unit 404 by control signal CS, export the light quantity of colour wheel 403 to, make the light source of output have special ratios in order to the light source of decision luminescence unit 402.It should be noted that lightproof unit 404 not only adjusts the light quantity that luminescence unit 402 is exported, also can adjust the light quantity that colour wheel 403 is exported, so be not restricted to the described embodiments.
In addition, light source module 402 also can be adjusted heterogeneous light luminance brightness or the phase place of being exported according to control signal CS, and the heterogeneous light light intensity of reaching output has special ratios.The present invention does not limit the mode of utilizing in above-mentioned.
With reference to figure 5, be that explanation the present invention is in the synoptic diagram of the light source module 500 of embodiment.Luminescence unit 402 directly sends white light in the foregoing description, and the luminescence unit 502 of light source module 500 is made up of a plurality of light emitting diodes or a plurality of laser diode, and it sends the light of at least three kinds of colors, for example red bluish-green three primary colors.Preferably, put on the electric current or the voltage of a plurality of light emitting diodes or a plurality of laser diodes, can directly change the photoemissive intensity of each color, make luminescence unit 502 have the polychromatic light CL of special ratios light intensity by adjustment.And, by the polychromatic light of control signal CS modulation special ratios.
So by adjusting the output light intensity or the photochromism of light source module 400 or 500, the phenomenon of the color error ratio of can improve the external environment effectively light or projected image.And cooperate sensing cell sensing external environment condition light source or different projected areas, adjust light source module or optical processing unit by the control signal of control module.Preferably, projection arrangement also can reach the effect that robotization is adjusted by control module.
With reference to figure 6, be in the method flow diagram of the projected image of embodiment according to the present invention.The method 600 of projected image is to use in projection arrangement 100 as shown in Figure 1.The method 600 of projected image starts from step 602, produces sensing signal; Then,, produce control signal in response to sensing signal in step 604; Afterwards in step 606, according to the polychromatic light of control signal adjustment output; In step 608, receive the polychromatic light of output at last, in order to produce projected image.
The above is preferred embodiment of the present invention only, is not in order to limit claim scope of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the above-mentioned claim scope.
Claims (24)
1. a projection arrangement supplies to produce projected image on object, comprises:
Sensing cell produces sensing signal;
Control module is coupled with this sensing cell, and according to this sensing signal, produces control signal;
Light source module, for the output polychromatic light, and the polychromatic light of being exported according to this control signal adjustment; And
The optical processing unit receives the polychromatic light that this light source module is exported, and produces this projected image.
2. device according to claim 1, wherein this sensing cell is the capturing images device.
3. device according to claim 2, wherein this capturing images device captures this projected image.
4. device according to claim 1, wherein this light source module is adjusted the polychromatic light that this light source module is exported according to this control signal, with the white balance or the light intensity of further this projected image of adjustment.
5. device according to claim 1, wherein this sensing cell is an optical sensor.
6. device according to claim 5, the wherein light intensity of this photosensor senses external environment condition or photochromism.
7. according to claim 2 or 5 described devices, wherein this optical processing unit is according to this control signal, with the white balance or the light intensity of further this projected image of adjustment.
8. device according to claim 1, wherein this light source module also comprises a plurality of light emitting diodes or a plurality of laser diode.
9. device according to claim 1, wherein this light source module also comprises:
Luminescence unit is for producing light source; And
Colour wheel for this light source of filtration, and produces polychromatic light;
Wherein this control signal is in order to adjust the rotating speed of this colour wheel, and this colour wheel heterogeneous light time of exporting has special ratios by this.
10. device according to claim 1, wherein this light source module also comprises:
Luminescence unit is for producing light source; And
Colour wheel for this light source of filtration, and produces polychromatic light;
Wherein this control signal is in order to adjust the intensity of this luminescence unit, and the heterogeneous light light intensity exported of this colour wheel has special ratios by this.
11. device according to claim 1, wherein this light source module also comprises:
Luminescence unit is for producing light source; And
Colour wheel for this light source of filtration, and produces polychromatic light;
Lightproof unit has aperture, in order to adjust the light quantity of output;
Wherein this control signal is in order to adjust this aperture of this lightproof unit, and this light source of exporting of the heterogeneous light light intensity exported of this colour wheel or this luminescence unit has special ratios by this.
12. device according to claim 1, wherein heterogeneous light luminance brightness or the phase place also exported of this light source module according to this control signal adjustment.
13. the method for a projected image, for producing projected image on object, this method comprises:
Produce sensing signal;
In response to this sensing signal, produce control signal;
Polychromatic light according to this control signal adjustment output; And
Receive the polychromatic light of output, in order to produce this projected image.
14. method according to claim 13, the method that produces of this sensing signal wherein further comprises the light intensity or the photochromism of sensing external environment condition.
15. method according to claim 14, wherein the method for this control signal generation further comprises white balance or the light intensity of adjusting this projected image.
16. method according to claim 13, wherein the method for this sensing signal generation further comprises this projected image of acquisition.
17. method according to claim 16, wherein the method for this control signal generation further comprises white balance or the light intensity of adjusting this projected image.
18. method according to claim 13, wherein the method for this polychromatic light generation further comprises by luminescence unit, for the generation light source, and via colour wheel, in order to produce this polychromatic light.
19. method according to claim 18, wherein the method that produces of this control signal further comprises the rotating speed of adjusting this colour wheel, and this colour wheel this heterogeneous light time of exporting has special ratios by this.
20. method according to claim 18, wherein the method for this control signal generation further comprises the intensity of adjusting this light source of exporting, makes this heterogeneous light light intensity of exporting via this colour wheel have special ratios.
21. method according to claim 18, the method that produces of this control signal wherein, further bag is adjusted the aperture of lightproof unit, and this polychromatic light that makes this heterogeneous light light intensity of exporting via this colour wheel or this light source export has special ratios.
22. method according to claim 18, wherein the method for this control signal generation further comprises heterogeneous light luminance brightness or phase place that adjustment is exported.
23. one kind cooperates claim 1 and has the electronic installation of this projection arrangement, comprises:
Projection arrangement for producing projected image on object, comprises:
Sensing cell produces sensing signal;
Control module is coupled with this sensing cell, and according to this sensing signal, produces control signal;
Light source module, for the output polychromatic light, and the polychromatic light of being exported according to this control signal adjustment; And
The optical processing unit receives the polychromatic light that this light source module is exported, and produces this projected image;
Wherein this light source module is adjusted the polychromatic light that this light source module is exported according to this control signal, with the white balance or the light intensity of further this projected image of adjustment.
24. electronic installation according to claim 23, wherein this electronic installation is personal computer, notebook computer, personal digital assistant, mobile phone or movable video-audio device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101084954A CN101598887A (en) | 2008-06-06 | 2008-06-06 | Projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101084954A CN101598887A (en) | 2008-06-06 | 2008-06-06 | Projection arrangement |
Publications (1)
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|---|---|
| CN101598887A true CN101598887A (en) | 2009-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101084954A Pending CN101598887A (en) | 2008-06-06 | 2008-06-06 | Projection arrangement |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109744A (en) * | 2009-12-24 | 2011-06-29 | 宏碁股份有限公司 | Method and apparatus of projector color enhancement by dynamic lamp waveform |
| CN103777438A (en) * | 2012-10-19 | 2014-05-07 | 国基电子（上海）有限公司 | Mobile terminal with miniature projector and projection method |
| CN104113742A (en) * | 2013-04-16 | 2014-10-22 | 罗伯特·博世有限公司 | Image Display Unit, Mobile Phone And Method |
| CN104378566A (en) * | 2013-08-12 | 2015-02-25 | 联想(北京)有限公司 | Projection method and electronic equipment |
| CN104854500A (en) * | 2012-07-18 | 2015-08-19 | 法雷奥伊图德斯电子公司 | Device and method for emitting a light beam intended to form an image, projection system, and display using said device |
| CN105430308A (en) * | 2014-09-17 | 2016-03-23 | 索尼公司 | Exposure value automatic adjusting device of interactive projector, and method thereof |
| CN105652571A (en) * | 2014-11-14 | 2016-06-08 | 中强光电股份有限公司 | Projection device and projection system thereof |
| WO2018028238A1 (en) * | 2016-08-12 | 2018-02-15 | 深圳市光峰光电技术有限公司 | Projection system and brightness adjusting method applied to projection system |
| CN109151416A (en) * | 2018-08-29 | 2019-01-04 | 中航国画（上海）激光显示科技有限公司 | The multi-functional fusion processing system of laser projection and method |
| CN113418116A (en) * | 2016-06-17 | 2021-09-21 | 米莫诺有限责任公司 | Projector holder |
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2008
- 2008-06-06 CN CNA2008101084954A patent/CN101598887A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109744A (en) * | 2009-12-24 | 2011-06-29 | 宏碁股份有限公司 | Method and apparatus of projector color enhancement by dynamic lamp waveform |
| CN104854500A (en) * | 2012-07-18 | 2015-08-19 | 法雷奥伊图德斯电子公司 | Device and method for emitting a light beam intended to form an image, projection system, and display using said device |
| CN103777438A (en) * | 2012-10-19 | 2014-05-07 | 国基电子（上海）有限公司 | Mobile terminal with miniature projector and projection method |
| CN104113742B (en) * | 2013-04-16 | 2017-12-08 | 罗伯特·博世有限公司 | Image display, mobile phone and method |
| CN104113742A (en) * | 2013-04-16 | 2014-10-22 | 罗伯特·博世有限公司 | Image Display Unit, Mobile Phone And Method |
| CN104378566B (en) * | 2013-08-12 | 2017-12-26 | 联想(北京)有限公司 | A kind of projecting method and a kind of electronic equipment |
| CN104378566A (en) * | 2013-08-12 | 2015-02-25 | 联想(北京)有限公司 | Projection method and electronic equipment |
| CN105430308A (en) * | 2014-09-17 | 2016-03-23 | 索尼公司 | Exposure value automatic adjusting device of interactive projector, and method thereof |
| CN105652571A (en) * | 2014-11-14 | 2016-06-08 | 中强光电股份有限公司 | Projection device and projection system thereof |
| CN105652571B (en) * | 2014-11-14 | 2018-09-07 | 中强光电股份有限公司 | Projection arrangement and its optical projection system |
| US10349021B2 (en) | 2014-11-14 | 2019-07-09 | Coretronic Corporation | Projection device and projection system having the same |
| CN113418116A (en) * | 2016-06-17 | 2021-09-21 | 米莫诺有限责任公司 | Projector holder |
| US11740542B2 (en) | 2016-06-17 | 2023-08-29 | Mimono LLC | Projector holder |
| WO2018028238A1 (en) * | 2016-08-12 | 2018-02-15 | 深圳市光峰光电技术有限公司 | Projection system and brightness adjusting method applied to projection system |
| CN107728413A (en) * | 2016-08-12 | 2018-02-23 | 深圳市光峰光电技术有限公司 | Optical projection system and the brightness adjusting method applied to optical projection system |
| CN107728413B (en) * | 2016-08-12 | 2019-07-16 | 深圳光峰科技股份有限公司 | Optical projection system and brightness adjusting method applied to optical projection system |
| CN109151416A (en) * | 2018-08-29 | 2019-01-04 | 中航国画（上海）激光显示科技有限公司 | The multi-functional fusion processing system of laser projection and method |
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Open date: 20091209 |