CN1719333A - Multifunction colour wheel - Google Patents
Multifunction colour wheel Download PDFInfo
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- CN1719333A CN1719333A CN 200410062891 CN200410062891A CN1719333A CN 1719333 A CN1719333 A CN 1719333A CN 200410062891 CN200410062891 CN 200410062891 CN 200410062891 A CN200410062891 A CN 200410062891A CN 1719333 A CN1719333 A CN 1719333A
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- colour
- multifunction
- projection system
- colour wheel
- circle
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Abstract
The present invention discloses a multifunctional colour wheel for optical projection system. Said multifunctional colour wheel includes several colour rings, on every colour ring several colour filters are placed, and at least on one colour ring a white transmission zone is set. Besides, the colour wheel can be moved on a plane perpendicular to optical axis of optical projection system, and the optical axis of optical projection system is positioned in one of said colour rings.
Description
(1) technical field
The relevant a kind of colour wheel (color wheel) of the present invention, especially relevant a kind of multifunction colour wheel that is used for optical projection system.
(2) background technology
According to the difference of use occasion, general optical projection system mainly is divided into family's theater (home theater) and two kinds of forms of data (data), and the key distinction of multi-form optical projection system is in the design of colour wheel (colorwheel).With the optical projection system of data form, the design of colour wheel focuses on the performance of overall brightness, thereby has a district that allows white light pass through fully (white area) in the colour circle, shown in Figure 1A.Relatively, with the optical projection system of family's theater form, the design of colour wheel focuses on the performance of color, thereby does not have an above-mentioned white light area in the colour circle, shown in Figure 1B.
Yet in the optical projection system of data form, in order to increase whole brightness, the sacrifice of color saturation is unavoidable.Similarly, in the optical projection system of family's theater form, in order to promote the vividness of color, the increase of brightness is also inevitable limited.In addition, because the wheel design difference of two kinds of forms, thereby between the system of two kinds of forms in the application, be not suitable for changing, in other words, after optical projection system is made into the data form, just be not suitable for being used as domestic play chief minister usefulness, vice versa.
Therefore, the demand that how wheel design of an optical projection system is become can satisfy simultaneously color and brightness is to be worth thinking and desirable.In view of this, the present invention proposes a kind of multi-functional (multi-function) colour wheel, can carry out the mode switch of true (real) in optical projection system, is different from the generally mode switch of only virtual (image).
(3) summary of the invention
The object of the present invention is to provide a kind of multifunction colour wheel that is used for optical projection system, and multi-form colour wheel can be combined.
The multifunction colour wheel that is used for optical projection system of the present invention comprises a plurality of colour circles, dispose on each colour circle on a plurality of colored filters and at least one colour circle and dispose the white light photic zone, wherein, colour wheel moves on a plane vertical with the optical axis of this optical projection system, and this optical axis of this optical projection system by this colour circle one of them.
Among one embodiment, the multifunction colour wheel that is used for optical projection system comprises two colour circles, disposes redness, green and blue color filter on the colour circle and disposes redness, green and blue color filter and a white light photic zone on another colour circle.Mode according to this, when the optical axis of optical projection system when disposing the colour circle of white light photic zone, this optical projection system can be used as the data form and uses, and when the optical axis of optical projection system disposed the colour circle of white light photic zone by nothing, this optical projection system can be used as family's theater form and uses.
The colour circle number of colour wheel of the present invention and the optical filter number of each colour circle are not limit, as long as the colour wheel of difference in functionality is incorporated on the single colour wheel, and carries out the wheel design spirit all according to the invention of real mode switch by colour wheel with respect to the position translation of the optical axis of optical projection system.Can provide an optical projection system that can satisfy brightness and color saturation simultaneously by the present invention.
(4) description of drawings
Figure 1A is a synoptic diagram, shows the existing colour wheel that is used for the optical projection system of data form.
Figure 1B is a synoptic diagram, shows the existing colour wheel that is used for the optical projection system of family's theater form.
Fig. 2 A is a synoptic diagram, shows the colour wheel of the optical projection system of first embodiment of the invention.
Fig. 2 B is a synoptic diagram, shows the colour wheel of the optical projection system of second embodiment of the invention.
Fig. 3 A is a synoptic diagram, the colour wheel of the optical projection system of demonstration first embodiment of the invention and a relative position of optical axis.
Fig. 3 B is a synoptic diagram, the colour wheel of the optical projection system of demonstration first embodiment of the invention and another relative position of optical axis.
Fig. 4 is a synoptic diagram, shows the colour wheel of the optical projection system of third embodiment of the invention.
(5) embodiment
Please refer to Fig. 2 A, the colour wheel 10 of first embodiment of the invention has one first colour circle 11 and one second colour circle 12, first colour circle 11 includes a Red lightscreening plate R1, a blue color filter B1, a green color filter G1 and a white light photic zone W1, and wherein the area of white light photic zone W1 is less than the area of arbitrary optical filter.In addition, second colour circle 12 includes a Red lightscreening plate R2, blue color filter B2 and green color filter G2.
Please refer to Fig. 3 A and Fig. 3 B, in the present embodiment, colour wheel 10 can one with the vertical plane of the optical axis of optical projection system (not shown) on (X-Y coordinate plane as shown in the figure) parallel moving and make the optical axis projection surface 100 of optical projection system can drop on the different colour circles of same colour wheel, that is the different colour circles of optical axis by same colour wheel, and between data form and family's theater form, switch.For example, when wish that optical projection system is when operating under the data form, then can allow optical axis projection surface 100 drop on first colour circle 11, suppose that the central point of colour wheel 10 just drops on the center of X-Y coordinate plane this moment, as shown in Figure 3A.And when wishing that optical projection system switches to family's theater form, then only need the central point of colour wheel 10 is moved a specific range L with respect to the center of X-Y coordinate plane, make optical axis projection surface 100 drop on second colour circle 12 and get final product.Thus, colour wheel 10 of the present invention has just become a multitask colour wheel that can switch really between data form and family's theater form, and realizes that one has the multifunctional optical optical projection system of two kinds of forms of expression.
On the other hand, see also Fig. 2 B, first colour circle 31 of the colour wheel 30 of second embodiment of the invention also can be made up of a white light photic zone W1, a cyan (cyan) optical filter C1, a carmetta (magenta) optical filter M1 and a yellow (yellow) optical filter Y1, and second colour circle 32 then is made up of a cyan optical filter C2, a carmetta optical filter M2 and a yellow filter Y2.In other words, the color of the colored filter on first colour circle 31 and second colour circle 32 can be respectively red complementary color, green complementary color and blue complementary color, and, can present the color effect that is different from above-mentioned first embodiment according to such configuration, and be applied to different occasions.At this, identical about the move mode of colour wheel 30 with first embodiment, promptly repeat no more in this.
In addition, see also Fig. 4, the colour wheel 20 of third embodiment of the invention has one first colour circle 21, one second colour circle 22 and one the 3rd colour circle 23 at least, first colour circle 21 includes a Red lightscreening plate R1, a blue color filter B1, a green color filter G1 and a white light photic zone W1, and second colour circle 22 includes a Red lightscreening plate R2, a blue color filter B2, a green color filter G2 and a white light photic zone W2, and 23 of the 3rd colour circles include a Red lightscreening plate R3, a blue color filter B3 and a green color filter G3.Be noted that the white light photic zone W1 of present embodiment and white light photic zone W2 shared area on colour circle varies in size, for example white light photic zone W1 at the shared area of first colour circle 21 less than white light photic zone W2 shared area on second colour circle 22.In addition, the color of the optical filter that each colour circle disposed in the present embodiment is not limited to redness, green and blue, also can be the cyan described in second embodiment, carmetta and yellow, perhaps other color.
Similarly, the colour wheel 20 of present embodiment can one with the vertical plane of the optical axis of optical projection system (not shown) on parallel moving and make the optical axis projection surface of optical projection system drop on the different colour circles of same colour wheel, and finish the switching of different mode.With regard to present embodiment, when the optical axis projection surface of optical projection system drops on first colour circle 21, optical projection system is to be in the first data form, and when the optical axis projection surface of optical projection system drops on second colour circle 22, optical projection system be in the second data form and brightness than the first data form for high, and when the optical axis projection surface of optical projection system dropped on the 3rd colour circle 23, optical projection system was to be in family's theater form.At this, identical about the move mode of colour wheel 20 with first embodiment, promptly repeat no more in this.
Generally speaking, in the present invention, colour circle number on the colour wheel and the optical filter number on each colour circle are not limited to the foregoing description, and every colour wheel with difference in functionality is incorporated on the single colour wheel, and in optical projection system, reach real mode switch by this single multifunction colour wheel, connotation all according to the invention with respect to the position translation of optical projection system optical axis.
To sum up, the present invention encyclopaedizes by the above embodiments and variation example.Person skilled in the art person should be appreciated that, all embodiment of the present invention only are exemplary at this but not are restricted, in not breaking away from connotation of the present invention and scope, other variation example of the above-mentioned multifunction colour wheel of addressing that is used for optical projection system and correction example are the present invention and contain.Therefore, protection scope of the present invention is defined by accompanying Claim.
Claims (11)
1. a multifunction colour wheel is applied in the optical projection system, and this multifunction colour wheel comprises:
A plurality of colour circles dispose a plurality of colored filters on each colour circle, and dispose a white light photic zone at least one colour circle;
Wherein, this colour wheel moves on a plane vertical with an optical axis of this optical projection system so that this optical axis of this optical projection system by this colour circle one of them.
2. multifunction colour wheel as claimed in claim 1 is characterized in that the colored filter on each colour circle has identical number.
3. multifunction colour wheel as claimed in claim 2, the number that it is characterized in that the colored filter on each colour circle is 3.
4. multifunction colour wheel as claimed in claim 1 is characterized in that these a plurality of colored filters on the same colour circle have area identical.
5. multifunction colour wheel as claimed in claim 1 is characterized in that the color of this colored filter comprises redness, green and blue.
6. multifunction colour wheel as claimed in claim 1 is characterized in that the color of this colored filter comprises cyan, carmetta and yellow.
7. multifunction colour wheel as claimed in claim 1 is characterized in that the area of the area of this white photic zone less than each colored filter on this colour circle that it disposed.
8. multifunction colour wheel as claimed in claim 1 is characterized in that the white light photic zone on the different colour circle has different areas.
9. multifunction colour wheel as claimed in claim 8, the area system that it is characterized in that the white light photic zone on the different colour circle increases progressively from inside to outside along the center of this multifunction colour wheel.
10. a multifunction colour wheel is applied in the optical projection system, and this multifunction colour wheel comprises:
One first colour circle disposes a plurality of colored filters on it; And
One second colour circle disposes a plurality of colored filters and a white light photic zone on it;
Wherein, this colour wheel moves on a plane vertical with an optical axis of this optical projection system so that this optical axis of this optical projection system by this first colour circle and this second colour circle one of them.
11. a multifunction colour wheel is applied in the optical projection system, this multifunction colour wheel comprises:
One first colour circle disposes a plurality of colored filters and one first white light photic zone on it;
One second colour circle disposes a plurality of colored filters and one second white light photic zone on it; And
One the 3rd colour circle disposes a plurality of colored filters on it;
Wherein, this colour wheel moves on a plane vertical with an optical axis of this optical projection system so that this optical axis of this optical projection system by this first colour circle, this second colour circle and the 3rd colour circle one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410062891 CN1719333A (en) | 2004-07-05 | 2004-07-05 | Multifunction colour wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410062891 CN1719333A (en) | 2004-07-05 | 2004-07-05 | Multifunction colour wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1719333A true CN1719333A (en) | 2006-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410062891 Pending CN1719333A (en) | 2004-07-05 | 2004-07-05 | Multifunction colour wheel |
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| Country | Link |
|---|---|
| CN (1) | CN1719333A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435903B (en) * | 2007-11-15 | 2010-10-13 | 亚洲光学股份有限公司 | Filtering module and projecting system using the same |
| CN102566231A (en) * | 2010-11-26 | 2012-07-11 | 三洋电机株式会社 | Illumination device and video projector |
| CN102854728A (en) * | 2011-12-18 | 2013-01-02 | 深圳市光峰光电技术有限公司 | Light source system and projection device |
| CN103309138A (en) * | 2012-03-09 | 2013-09-18 | 台达电子工业股份有限公司 | Light source system for projection device |
| CN104730821A (en) * | 2014-12-30 | 2015-06-24 | 苏州佳世达光电有限公司 | Projecting device |
| US9866807B2 (en) | 2011-10-03 | 2018-01-09 | Appotronics Corporation Limited | Light source system and image projection system |
| CN109491188A (en) * | 2018-11-16 | 2019-03-19 | 青岛海信激光显示股份有限公司 | Colour wheel control method and optical projection system |
| CN109791349A (en) * | 2016-10-12 | 2019-05-21 | 索尼公司 | Image display and light source equipment |
| CN111025621A (en) * | 2019-12-23 | 2020-04-17 | 四川长虹电器股份有限公司 | Adjustable color wheel system for projection equipment and adjusting method thereof |
-
2004
- 2004-07-05 CN CN 200410062891 patent/CN1719333A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435903B (en) * | 2007-11-15 | 2010-10-13 | 亚洲光学股份有限公司 | Filtering module and projecting system using the same |
| CN102566231A (en) * | 2010-11-26 | 2012-07-11 | 三洋电机株式会社 | Illumination device and video projector |
| US9866807B2 (en) | 2011-10-03 | 2018-01-09 | Appotronics Corporation Limited | Light source system and image projection system |
| CN102854728A (en) * | 2011-12-18 | 2013-01-02 | 深圳市光峰光电技术有限公司 | Light source system and projection device |
| CN102854728B (en) * | 2011-12-18 | 2016-03-16 | 深圳市光峰光电技术有限公司 | Light-source system and projection arrangement |
| CN103309138A (en) * | 2012-03-09 | 2013-09-18 | 台达电子工业股份有限公司 | Light source system for projection device |
| CN104730821A (en) * | 2014-12-30 | 2015-06-24 | 苏州佳世达光电有限公司 | Projecting device |
| CN104730821B (en) * | 2014-12-30 | 2016-06-08 | 苏州佳世达光电有限公司 | Projection arrangement |
| CN109791349A (en) * | 2016-10-12 | 2019-05-21 | 索尼公司 | Image display and light source equipment |
| CN109491188A (en) * | 2018-11-16 | 2019-03-19 | 青岛海信激光显示股份有限公司 | Colour wheel control method and optical projection system |
| CN109491188B (en) * | 2018-11-16 | 2022-07-12 | 青岛海信激光显示股份有限公司 | Color wheel control method and projection system |
| CN111025621A (en) * | 2019-12-23 | 2020-04-17 | 四川长虹电器股份有限公司 | Adjustable color wheel system for projection equipment and adjusting method thereof |
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