CN101051175A - Projector and its operation mode switching method - Google Patents
Projector and its operation mode switching method Download PDFInfo
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- CN101051175A CN101051175A CN 200610073259 CN200610073259A CN101051175A CN 101051175 A CN101051175 A CN 101051175A CN 200610073259 CN200610073259 CN 200610073259 CN 200610073259 A CN200610073259 A CN 200610073259A CN 101051175 A CN101051175 A CN 101051175A
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Abstract
A projection unit is prepared for using light source module to provide an illumination light beam, setting both the first and the second colored wheels on light path of illumination light beam, arranging the first white color region and the second white color region separately on the first and the second colored wheels, setting area of the first white color region to be different from that of second one, electric-coupling control unit with the first and the second colored wheels. Its switching-over method of operation mode is also disclosed.
Description
Technical field
The present invention relates to a kind of projection arrangement and operation mode switching method thereof, particularly relate to a kind of projection arrangement and operation mode switching method thereof that produces at least two kinds of operator schemes.
Background technology
General one chip digital light is handled (digital light processing, DLP) projector of technology adopts colour wheel (color wheel, CW) with ruddiness (red, R), green glow (green, G), blue light (blue, B) digital minitype reflector element (digital micromirror device, DMD) generation color and brightness are invested in timesharing in regular turn.Yet owing to R, G, B invest DMD simultaneously, so brightness can't improve.Traditional improvement mode is a white (W) zone to be set with raising brightness in colour wheel, but the colour wheel that color saturation is just constituted less than pure R, G, B zone after the colour mixture.In order to satisfy different user demands, produced the projector of changeable different operation modes.
Please refer to Figure 1A, existing DLP projector 10 comprises light source module 1, first colour wheel 2 and second colour wheel 3, light harvesting post (Integration Rod) 4, light valve (Light Valve) 5 and camera lens 6.First colour wheel 2 and second colour wheel 3 for example are shown in Figure 1A, have R, G, B three look zones and R, G, B, W four look zones respectively.First colour wheel 2 and second colour wheel 3 are the light entrance both sides that are arranged at light harvesting post 4 in mode side by side, and wherein first colour wheel 2 can move on the light path of illuminating bundle L along path M1; Second colour wheel 3 can move on the light path of illuminating bundle L along path M2.After light source module 1 produces illuminating bundle L, illuminating bundle L by moving to light path first colour wheel 2 or second colour wheel 3 after be pooled to the light entrance of light harvesting post 4.Then, illuminating bundle L light-self-collecting post 4 penetrates the back and invests light valve 5, produces an image strip Si again after light valve 5 is handled, and goes up via camera lens 6 projections at screen (figure does not show) at last and produces image.
When projector's 10 settings are operated with data (Data) pattern, the shown image of projector 10 is based on brightness, second colour wheel 3 that therefore will have a W zone moves on the light path of illuminating bundle L and is rotated, and cooperates signal Processing to come projection to produce chromatic image; When projector's 10 settings are operated with image (Video) pattern, the shown image of projector 10 is based on color, first colour wheel 2 that therefore will not have a W zone moves on on the light path of illuminating bundle L and is rotated, and cooperates signal Processing to come projection to produce chromatic image.
But be to use aforesaid way to switch the operator scheme of projector, projector 10 must provide first colour wheel 2 and the enough mobile spaces of second colour wheel 3, has therefore increased the volume of projector 10.And generally be to drive colour wheel by motor to move, but being provided with of motor will increase the risk of projector's fault and reduce production reliability, and motor drives colour wheel to location and needs the precise mechanism design.In addition, in order to the fixing support component of colour wheel, and the setting of motor also will increase the manufacturing cost of projector.
In addition, shown in Figure 1B, another existing projector 20 adopts single double-deck colour wheel 21, has the different color zone of internal layer A and outer C on the double-deck colour wheel 21.The color area of internal layer A comprises R, G, B three look zones, and the color area of outer C comprises R, G, B, W four look zones.Double-deck colour wheel 21 also is arranged on light entrance one side of light harvesting post 22.Projector 20 is when different brightness or color demonstration demand, the outer C of double-deck colour wheel 21 or internal layer A are moved on the light path of the illuminating bundle L that light source module 23 provides, back lighting light beam L passes colour wheel 21 and light-self-collecting post 22 penetrates back trend of purchasing light valve 25, after light valve 25 is handled, produce an image strip Si again, go up via camera lens 26 projections at screen (figure does not show) at last and produce image.But this kind mode can increase the service load of the motor of mobile colour wheel, reduces the fiduciary level of colour wheel.The motor of mobile colour wheel also needs bigger volume, so can improve the manufacturing cost of colour wheel.Moreover, because colour wheel 21 has double-deck color area, so it is higher to make the coating cost of double-deck colour wheel 21.And the diameter of double-deck colour wheel 21 is bigger, in projector's 20 designs, needs to increase the volume of projector 20.
Summary of the invention
A purpose of the present invention is to provide a kind of projection arrangement and operation mode switching method thereof, it is arranged at two colour wheels on the light path of illuminating bundle simultaneously at least, under the situation that does not need mobile colour wheel, can carry out the switching of different operation modes, to satisfy the different demand of user.
Another object of the present invention is to provide a kind of projection arrangement and operation mode switching method thereof, do not need additionally to provide the mobile space of colour wheel and motor is set in addition and come mobile colour wheel, therefore can reduce the projection arrangement volume and reduce cost.
According to purpose of the present invention, a kind of projection arrangement is proposed, have first pattern and second pattern and comprise light source module, first colour wheel, second colour wheel and control module.Light source module is in order to providing an illuminating bundle, and first colour wheel and second colour wheel are arranged on the light path of illuminating bundle simultaneously.First colour wheel and second colour wheel have first white portion and second white portion respectively, and the area of first white portion is not equal to the area of second white portion.Control module is electrically coupled to first colour wheel and second colour wheel.Operate following time in first pattern, control module is controlled first white portion and is stopped on the light path and control second colour wheel rotation; Operate following time in second pattern, control module is controlled second white portion and is stopped on the light path and control first colour wheel rotation.
According to purpose of the present invention, a kind of operation mode switching method of projection arrangement is proposed, projection arrangement comprises light source module, first colour wheel and second colour wheel.Light source module is in order to providing illuminating bundle, and illuminating bundle has light path.First colour wheel comprises first white portion, and second colour wheel comprises second white portion, and the area of second white portion is not equal to the area of first white portion.Operation mode switching method comprises judges that projection arrangement is one first pattern or one second pattern, and controls first colour wheel and one of them rotation of second colour wheel, and first white portion and second white portion one of them stop on the light path.When projection arrangement was first pattern, the rotation of second colour wheel and first white portion stopped on the light path, to carry out the operation of first pattern; When projection arrangement was second pattern, the rotation of first colour wheel and second white portion stopped on the light path, to carry out the operation of second pattern.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Description of drawings
Figure 1A is the main element synoptic diagram of existing DLP projector;
Figure 1B is the existing DLP projector part-structure synoptic diagram that uses double-deck colour wheel;
Fig. 2 is the main element synoptic diagram of the DLP projector of preferred embodiment of the present invention;
Fig. 3 is its operation mode switching method process flow diagram of projection arrangement of preferred embodiment of the present invention;
Fig. 4 is the main element synoptic diagram of another DLP projector of the present invention;
Fig. 5 is the present invention's main element synoptic diagram of a DLP projector again; And
Fig. 6 is the color area configuration schematic diagram of colour wheel of the present invention.
The main element symbol description
1,23,110: light source module
2,120: the first colour wheels
3,130: the second colour wheels
4,22,140,240: the light harvesting post
5,25,150: light valve
6,26,160: camera lens
10: projector
21: double-deck colour wheel
100,200,300: projection arrangement
122: the first cross sections
125,135: brake units
132: the second cross sections
170: control module
180: sensing unit
220: the three colour wheels
222: the three cross sections
290: lens unit
390: prism
610,620: colour wheel
W1, W2, W3: white portion
Embodiment
The present invention proposes a kind of projection arrangement, and first colour wheel and second colour wheel are arranged on the light path between light source module and the light valve simultaneously.First colour wheel and second colour wheel have unequal first white portion of area and second white portion respectively.Operate following time in first pattern, control first colour wheel and rotate to first white portion and stop at and control second colour wheel rotation on the light path simultaneously, and produce signal of video signal according to the electronic signal control light valve of second colour wheel output; Operate following time in second pattern, control second colour wheel and rotate to second white portion and stop on the light path, control the rotation of first colour wheel simultaneously, and produce signal of video signal according to the electronic signal control light valve of first colour wheel output.Therefore, projection arrangement does not need additionally to provide the mobile space of colour wheel, or motor is set in addition comes mobile colour wheel, effectively reduces the volume and the cost of projection arrangement.Detailed embodiment please see following preferred embodiment for details.
Please refer to Fig. 2, the projection arrangement 100 of a preferred embodiment of the present invention comprises light source module 110, light harvesting post 140, light valve 150, first colour wheel 120, second colour wheel 130, camera lens 160 and control module 170.Light source module 110 is in order to providing illuminating bundle L, and light harvesting post 140 is arranged on the light path of illuminating bundle L, in order to receive illuminating bundle L.Light valve 150 produces image strip Si in order to the illuminating bundle L that penetrates according to light-self-collecting post 140, produces image on a screen (figure does not show) via camera lens 160 projections again.First colour wheel 120 and second colour wheel 130 are arranged on the light path of illuminating bundle L simultaneously, and lay respectively at the light entrance and the light exit place of light harvesting post 140.As shown in Figure 2, first colour wheel 120 has R, G, B zone and white portion W1, and second colour wheel 130 has R, G, B zone and white portion W2, and the area of white portion W1 is greater than the area of white portion W2.Control module 170 electric couplings first colour wheel 120, second colour wheel 130 and light valve 150.When projection arrangement 100 is operated with first pattern (for example being image mode), the white portion W1 of control module 170 controls first colour wheel 120 stops on the light path, control 130 rotations of second colour wheel simultaneously, and produce image strip Si according to the second electronic signal S2 control light valve 150 of second colour wheel, 130 outputs; When projection arrangement 100 when second pattern (for example being data pattern) is operated, the white portion W2 of control module 170 controls second colour wheel 130 stops on the light path, control 120 rotations of first colour wheel simultaneously, and produce image strip Si according to the first electronic signal S1 control light valve 150 of first colour wheel, 120 outputs.In addition, the white portion W2 of the white portion W1 of first colour wheel 120 and second colour wheel 130 can stop on the light path simultaneously, uses so that projection arrangement 100 is used for the black-and-white image of super brightness.
The area of white portion W2 that it should be noted that the white portion W1 of above-mentioned first colour wheel 120 and second colour wheel 130 is respectively more than or equal to first cross section 122 of illuminating bundle L incident first colour wheel 120 and second cross section 132 of incident second colour wheel 130.And, when projection arrangement 100 when first pattern is operated, the white portion W1 of control module 170 control first colour wheel 120 is parked on the light path, makes that the illuminating bundle L by first colour wheel 120 falls within the white portion W1 fully; And when projection arrangement 100 when second pattern is operated, the white portion W2 of control module 170 control second colour wheel 130 is parked on the light path, makes that the illuminating bundle L by second colour wheel 130 drops in the white portion W2 fully.
In addition, above-mentioned light source module 110 for example be to use high-pressure sodium lamp, white organic LED (organic light emitting diode, OLED), metal halide lamp (metal halide light, MHL) or Halogen lamp LED.Light valve 150 for example is a kind of digital minitype reflector element (digitalmicromirror device, DMD), display panels (liquid crystal display, LCD) or the monocrystalline silicon display panels (liquid crystal on silicon, LCOS).
In addition, projection arrangement 100 also comprises sensing unit 180 and brake units 125,135.Sensing unit 180 couples first colour wheel 120, second colour wheel 130 and control module 170, in order to the anglec of rotation of difference sensing first colour wheel 120 and second colour wheel 130, to export the first sensing signal Sd1 and the second sensing signal Sd2 to control module 170.Brake units 125,135 couples control module 170 respectively, in order to stop first colour wheel 120 and 130 rotations of second colour wheel respectively.Control module 170 is according to the first sensing signal Sd1 or the second sensing signal Sd2, and control brake units 125 or 135 stops at the white portion W1 of first colour wheel 120 or the white portion W2 of second colour wheel 130 on the light path.In addition, though it is that example explains that the present invention utilizes the white portion W1 of sensing unit 180 Ji Brake car unit 125,135 control colour wheels 120 and 130 and W2 to stop at light path with projection arrangement 100, projection arrangement 100 of the present invention also can be the anglec of rotation of utilizing sensing unit 180 difference sensing first colour wheels 120 and second colour wheel 130, to export the first sensing signal Sd1 and the second sensing signal Sd2.First colour wheel 120 and second colour wheel 130 are exported one first control signal C1 and one second control signal C2 to control module 170 according to the illuminating bundle L that passes through.Control module 170 is according to the first control signal C1 and the first sensing signal Sd1, and control white portion W1 is parked on the light path; Perhaps according to the second control signal C2 and the second sensing signal Sd2, control white portion W2 is parked on the light path.So long as colour wheel 120 and 130 is arranged on the light path simultaneously, and the white portion that can control one of them colour wheel respectively is parked on the light path and another colour wheel rotation, to reach the purpose that two kinds of different situation effects (data or image mode) are provided, do not break away from technical scope of the present invention.
Please refer to Fig. 3, its operation mode switching method process flow diagram of the projection arrangement of preferred embodiment of the present invention.Projection arrangement 100 is after beginning, in step 301, judge that projection arrangement 100 is first pattern or second pattern, its mode is for example selected required pattern by the user, after the instruction by control module 170 reception users selections, control module 170 is judged first pattern or second pattern of entering; Back control first colour wheel 120 and 130 one of them rotation of second colour wheel, and white portion W1 and white portion W2 one of them stop on the light path.Detailed step is when first pattern (for example being image mode) is carried out in control module 170 judgements.At first, in step 300, rotate by control module 170 controls first colour wheel 120, and utilize the anglec of rotation of sensing unit 180 sensings first colour wheel 120, to export the first corresponding sensing signal Sd1.Then, in step 310, according to the first sensing signal Sd1 Kong Zhi Brake car unit 125, the white portion W1 of first colour wheel 120 is stopped on the light path by control module 170.At last,,, and, control light valve 150 and produce signal of video signal Si, project image via camera lens 160 again according to the second electronic signal S2 that second colour wheel 130 is exported by 130 rotations of control module 170 controls second colour wheel in step 320.
When second pattern (for example being data pattern) is carried out in control module 170 judgements.At first, in step 302, rotate by control module 170 controls second colour wheel 130, and utilize the anglec of rotation of sensing unit 180 sensings second colour wheel 130, to export the second corresponding sensing signal Sd2.Then, in step 312, stop on the light path according to second sensing signal Sd2 Kong Zhi Brake car unit 135 the white portion W2 second colour wheel 130 by control module 170.At last,,, and, control light valve 150 and produce signal of video signal Si, project image via camera lens 160 again according to the first electronic signal S1 that first colour wheel 120 is exported by 120 rotations of control module 170 controls first colour wheel in step 322.
As mentioned above, the projection arrangement 100 of present embodiment is fixed on two colour wheels 120 and 130 on the light path of illuminating bundle L simultaneously, and the white portion (W1 or W2) of controlling one of them colour wheel (120 or 130) respectively is parked on the light path and another colour wheel rotates, so that two kinds of different situation effects (being operator scheme) to be provided.Because two colour wheels all are fixed on the light path of projection arrangement 100, therefore, do not need additionally to provide the mobile space of colour wheel 120 and 130, also do not need to be provided with in addition motor and come mobile colour wheel 120 and 130, can effectively reduce the volume and the cost of projection arrangement 100; And same projection arrangement can have two or more operator scheme (image or data pattern), can satisfy different users's demand.
As mentioned above, though the present invention is that example explains with the two ends that colour wheel 120 and 130 is arranged at light harvesting post 140 respectively, yet the colour wheel 120 and 130 of projection arrangement of the present invention 100 also can be arranged at the same end of light harvesting post 140.For example be the light entrance or the light exit place of light harvesting post 140, or or even be arranged at any one position on the light path between light source module 110 and the light valve 150.So long as colour wheel 120 and 130 is arranged on the light path of illuminating bundle L simultaneously, and the white portion of controlling one of them colour wheel respectively stops on the light path and another colour wheel rotation, reach the purpose that two kinds of different situation effects are provided, do not break away from technical scope of the present invention.
Though the present invention comprises that with projection arrangement 100 a light harvesting post 140 and two colour wheels 120 and 130 are that example explains, projection arrangement 100 of the present invention also can comprise 140,240 and three colour wheels 120,130,220 of two light harvesting posts that are arranged on the light path as shown in Figure 4.First colour wheel 120, second colour wheel 130 and the 3rd colour wheel 220 are arranged at the light entrance of light harvesting post 140, the light exit of light harvesting post 140 and the light exit of light harvesting post 240 respectively.Also comprise a lens unit 290 in addition, be arranged between light harvesting post 140 and the light harvesting post 240, converge to the light entrance of light harvesting post 240 in order to the illuminating bundle L that light-self-collecting post 140 is penetrated.Lens unit 290 for example is relay lens (Relay Lens), avoids illuminating bundle L to cause light loss because of dispersing between the light harvesting post.The 3rd colour wheel 220 comprises white portion W3, and the area of white portion W3 is not equal to the area of white portion W1 or W2.Under the operation of above-mentioned first pattern and second pattern, control module 170 is controlled the 3rd colour wheel 220 simultaneously and is rotated to white portion W3 and stop on the light path; Under the three-mode operation, control module 170 control white portion W1 and W2 stop on the light path, and control 220 rotations of the 3rd colour wheel.And so long as colour wheel 120,130 and 220 be arranged at simultaneously on the light path of illuminating bundle L, and control the rotation of one of them colour wheel respectively and the white portion of other colour wheel stops on the light path, reach the purpose that at least two kinds of different situation effects are provided, do not break away from technical scope of the present invention.Preferred embodiment of the present invention more can comprise one the 4th colour wheel, the five colors wheel or polychrome wheel more, by increasing the size of R, G, B and white portion on colour wheel quantity and the adjustment colour wheel, looking actual needs again increases light harvesting post and lens unit, then can make projection arrangement provide more kinds of operator schemes to select for use for the user.
As shown in Figure 5, projection arrangement 300 of the present invention also can comprise two light harvesting posts 140,240, a slice prism 390 and two colour wheels 120,130 that are arranged on the light path.The optical axis of light harvesting post 140 is vertical with the optical axis of light harvesting post 240, and prism 390 is arranged between light harvesting post 140 and 240, reflexes to the light entrance of light harvesting post 240 in order to the illuminating bundle L that light-self-collecting post 140 is penetrated. Colour wheel 120 and 130 is arranged at the light entrance of light harvesting post 140 and the light exit of light harvesting post 240 respectively.
In addition, on the colour wheel color area (for example: R, G, B and white portion) size also can be done different variations.Please refer to Fig. 6,, have two groups R, G, B zone and a white portion W, can allow color conversion rapider, make beholder's vision impression more comfortable as the colour wheel 610 in left side among Fig. 6; Except can increasing R, G, B zone and white portion W, also can add again yellow (Y), cyan (Cyan), carmetta (Magenta) at least one of them, to increase the richness of colors of image.As the colour wheel 620 of Fig. 6, increase a yellow (Y) zone in addition, so that color more accurately to be provided.
Disclosed projection arrangement of the above embodiment of the present invention and operation mode switching method thereof under the situation that does not need mobile colour wheel, utilize the colour wheel that has different big or small white portions more than two to be arranged at simultaneously on the light path of illuminating bundle.And the white portion of controlling other colour wheel respectively is parked on the light path, only stays next colour wheel rotation, can carry out two or more operator schemes and switch, to obtain best image quality.Owing to do not need the colour wheel mobile space that provides extra, and do not need to be provided with in addition drive motor and come mobile colour wheel, can effectively reduce the volume and the manufacturing cost of projection arrangement, improve the operation reliability of projection arrangement simultaneously.
In sum; though disclosed the present invention in conjunction with an above preferred embodiment; yet it is not in order to limit the present invention; anyly be familiar with this operator; without departing from the spirit and scope of the present invention; can be used for a variety of modifications and variations, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (16)
1. projection arrangement has one first pattern and one second pattern, and comprises:
One light source module is in order to provide an illuminating bundle;
One first colour wheel (color wheel) and one second colour wheel, be arranged at simultaneously on the light path of this illuminating bundle, this first colour wheel and this second colour wheel have one first white portion and one second white portion respectively, and the area of this first white portion is not equal to the area of this second white portion;
One control module, be electrically coupled to this first colour wheel and this second colour wheel, when this first pattern, this first white portion that this control module is controlled this first colour wheel stops on this light path, and control this second colour wheel and rotate, when this second pattern, this second white portion that this control module is controlled this second colour wheel stops on this light path, and controls this first colour wheel rotation;
One light valve is electrically coupled with this control module and in order to this illuminating bundle is produced an image strip; And
One camera lens is located on this light path of this image strip, produces image with projection.
2. projection arrangement as claimed in claim 1, wherein this illuminating bundle by this first colour wheel and this second colour wheel has one first cross section and one second cross section respectively, and this first cross section and this second cross section are not more than the area of this first white portion and this second white portion respectively.
3. projection arrangement as claimed in claim 1, wherein this first pattern is an image (Video) pattern, this second pattern is data (Data) patterns, and the area of this first white portion is greater than the area of this second white portion.
4. projection arrangement as claimed in claim 1 also comprises a light harvesting post (rod), is arranged on this light path, and wherein this first colour wheel and this second colour wheel are arranged at the same end of this light harvesting post.
5. projection arrangement as claimed in claim 1 also comprises a light harvesting post (rod), is arranged on this light path, and wherein this first colour wheel and this second colour wheel are arranged at the two ends of this light harvesting post.
6. projection arrangement as claimed in claim 1, also comprise one the 3rd colour wheel, be arranged on this light path, wherein the 3rd colour wheel comprises one the 3rd white portion, the area of the 3rd white portion is not equal to the area of this first white portion and this second white portion, under this first pattern and the operation of this second pattern, the 3rd white portion that this control module is controlled the 3rd colour wheel stops on this light path, and under three-mode operation, this control module is controlled this first white portion and this second white portion and is stopped on this light path and control the rotation of the 3rd colour wheel.
7. projection arrangement as claimed in claim 6, also comprise one first light harvesting post and one second light harvesting post, be arranged on this light path, wherein this first colour wheel, this second colour wheel and the 3rd colour wheel are arranged at the light entrance of this first light harvesting post, the light exit of this first light harvesting post and the light exit of this second light harvesting post respectively.
8. projection arrangement as claimed in claim 7 also comprises a lens unit, is arranged between this first light harvesting post and this second light harvesting post, in order to will converge to the light entrance of this second light harvesting post from this illuminating bundle that this first light harvesting post penetrates.
9. projection arrangement as claimed in claim 1, also comprise one first light harvesting post, a prism and one second light harvesting post, be separately positioned on this light path, wherein the optical axis of this first light harvesting post is vertical with the optical axis of this second light harvesting post, this prism is arranged between this first light harvesting post and this second light harvesting post, in order to will reflexing to the light entrance of this second light harvesting post from this illuminating bundle that this first light harvesting post penetrates, and this first colour wheel and this second colour wheel are arranged at the light entrance of this first light harvesting post and the light exit of this second light harvesting post respectively.
10. projection arrangement as claimed in claim 1, wherein this light source module comprises a high-pressure sodium lamp, a white organic LED (organic light emitting diode, OLED), a metal halide lamp (metal halide light, MHL) or a Halogen lamp LED.
11. projection arrangement as claimed in claim 1 also comprises:
One sensing unit couples this control module, in order to the anglec of rotation of difference this first colour wheel of sensing and this second colour wheel, to export one first sensing signal and one second sensing signal; And
Yi Brake car unit couples this control module, rotates in order to stop this first colour wheel and this second colour wheel;
Wherein, this control module is controlled Gai Brake car unit this first white portion of this first colour wheel or this second white portion of this second colour wheel is stopped on this light path according to this first sensing signal or this second sensing signal.
12. projection arrangement as claimed in claim 1, also comprise a sensing unit, the anglec of rotation in order to difference this first colour wheel of sensing and this second colour wheel, to export one first sensing signal and one second sensing signal, wherein this first colour wheel and this second colour wheel are exported one first control signal and one second according to this illuminating bundle that passes through and are controlled signal to this control module, and this control module is according to this first control signal and this first sensing signal, controlling this first white portion is parked on this light path, perhaps, control this second white portion and be parked on this light path according to this second control signal and this second sensing signal.
13. projection arrangement as claimed in claim 1, wherein this light valve comprises a digital minitype reflector element (digital micromirror device, DMD), a display panels (liquid crystal display, LCD) or a monocrystalline silicon display panels (liquid crystal on silicon, LCOS).
14. operation mode switching method, be used for a projection arrangement, this projection arrangement comprises a light source module, one first colour wheel and one second colour wheel, this light source module is in order to provide an illuminating bundle, this illuminating bundle has a light path, and this first colour wheel comprises one first white portion, and this second colour wheel comprises one second white portion, the area of this second white portion is not equal to the area of this first white portion, and this operation mode switching method comprises:
Judge that this projection arrangement is one first pattern or one second pattern; And
Control this first colour wheel and the rotation wherein of this second colour wheel, and this first white portion and this second white portion one of them stop on this light path, when this projection arrangement is this first pattern, this second colour wheel rotation and this first white portion stop on this light path, to carry out this first pattern operation, when this projection arrangement was this second pattern, this first colour wheel rotation and this second white portion stopped on this light path, to carry out this second pattern operation.
15. operation mode switching method as claimed in claim 14, this step of wherein carrying out this first pattern operation more comprises:
Control the anglec of rotation of this first colour wheel rotation and this first colour wheel of sensing, to export one first sensing signal; And
This first white portion of controlling this first colour wheel according to this first sensing signal stops on this light path.
16. operation mode switching method as claimed in claim 14, this step of wherein carrying out this second pattern operation also comprises:
Control the anglec of rotation of this second colour wheel rotation and this second colour wheel of sensing, to export one second sensing signal; And
This second white portion of controlling this second colour wheel according to this second sensing signal stops on this light path.
Priority Applications (1)
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| CN 200610073259 CN101051175A (en) | 2006-04-06 | 2006-04-06 | Projector and its operation mode switching method |
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| CN 200610073259 CN101051175A (en) | 2006-04-06 | 2006-04-06 | Projector and its operation mode switching method |
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| CN102591119A (en) * | 2011-10-29 | 2012-07-18 | 明基电通有限公司 | Light source module and projecting apparatus using same |
| CN102645825A (en) * | 2011-11-03 | 2012-08-22 | 深圳市光峰光电技术有限公司 | Projecting device, light source system and color wheel assembly |
| CN102216847B (en) * | 2008-11-13 | 2013-03-20 | Lg电子株式会社 | Projection system |
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| CN105988272A (en) * | 2015-02-15 | 2016-10-05 | 深圳市绎立锐光科技开发有限公司 | Projection system and control method thereof |
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| CN108490623A (en) * | 2018-04-18 | 2018-09-04 | 广州市浩洋电子股份有限公司 | A kind of stage projecting light with double-colored wheel system |
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