CN109324464A - A kind of optical fiber scanning projection device - Google Patents
A kind of optical fiber scanning projection device Download PDFInfo
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- CN109324464A CN109324464A CN201710642157.8A CN201710642157A CN109324464A CN 109324464 A CN109324464 A CN 109324464A CN 201710642157 A CN201710642157 A CN 201710642157A CN 109324464 A CN109324464 A CN 109324464A
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- Prior art keywords
- light
- light source
- optical fiber
- exit end
- scanning projection
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/103—Scanning systems having movable or deformable optical fibres, light guides or waveguides as scanning elements
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/206—Control of light source other than position or intensity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mechanical Optical Scanning Systems (AREA)
Abstract
The invention discloses a kind of optical fiber scanning projection devices, including light source drive device, light source, light-dividing device, Illuminant chromaticity detection device, Multiplexing apparatus, fiber coupling device and scanning optical fiber；Light source drive device is connected with light source, light-dividing device is set to the exit end of light source, Illuminant chromaticity detection device is set to the first exit end of light-dividing device and is connected with light source drive device, Multiplexing apparatus is set to the second exit end of the light-dividing device, fiber coupling device is set to the second exit end of light-dividing device, and scanning optical fiber is set to the exit end of Multiplexing apparatus；Light source drive device is adjusted the light of light source outgoing according to the testing result of Illuminant chromaticity detection device.Optical fiber scanning projection device can be according to testing result, the light color of light source outgoing is adjusted, it ensure that the correctness of the white balance of the light of outgoing, carry out adjustment so as to the coloration for the light being emitted according to the practical operation situation of optical fiber scanning projection device to it.
Description
Technical field
The present invention relates to optical fiber scanning field more particularly to a kind of optical fiber scanning projection devices.
Background technique
Projection device is the commonly used equipment in people's daily life, meeting, in terms of obtained increasingly
More applications.
Important parameter of the color of projected image as projection device can greatly influence people and watch projection device projection
The visual experience of image, color be by brightness and coloration, brightness be determine the time of integration by light in human eye, and coloration be by
It is then the property of the color not including brightness, what it reflected is the tone and saturation degree of color, for by red (R), green
(G), for the light that blue (B) these three monochromatic light are composed, the coloration of the light depends on every kind of monochromatic ratio, institute
In the prior art, usually to carry out adjustment to projection device according to temperature etc. parameter when using when projection device dispatches from the factory,
Projection device is enabled to be emitted the light of correct color, still, the actual conditions of projection device in use may
It is had a certain difference with the parameter used when adjustment, such as the temperature of projection device in use can be because of environment temperature
Difference and exist heat dissipation difference so that the colour temperature when colour temperature and adjustment of light source is inconsistent, so that will lead to people can not
Obtain satisfied color experience.
Therefore, a kind of projection device that can carry out adjustment to its coloration according to the actual situation is needed in the prior art.
Summary of the invention
The embodiment of the present invention provides a kind of optical fiber scanning projection device, to meet in the prior art to can be according to reality
Situation carries out the demand of the projection device of adjustment to its coloration.
In order to achieve the above-mentioned object of the invention, the embodiment of the invention provides a kind of optical fiber scanning projection devices, including light source
Driving device, light source, light-dividing device, Illuminant chromaticity detection device, Multiplexing apparatus, fiber coupling device and scanning optical fiber；
The light source drive device is connected with the light source, and the light-dividing device is set to the exit end of the light source, institute
Illuminant chromaticity detection device is stated to be set to the first exit end of the light-dividing device and be connected with the light source drive device, it is described
Multiplexing apparatus is set to the second exit end of the light-dividing device, and the fiber coupling device is set to going out for the Multiplexing apparatus
End is penetrated, the scanning optical fiber is set to the exit end of the fiber coupling device；
The detection knot for the light that the light source drive device is emitted the light source according to the Illuminant chromaticity detection device
Fruit is adjusted the coloration of the light of light source outgoing.
Optionally, the light source is specially laser light source or LED light source.
Optionally, the light source be rgb light source when, the light source include red light-emitting unit, green luminescence unit and
Blue light emitting unit.
Optionally, the light-dividing device includes the feux rouges spectroscope for being set to the exit end of the red light-emitting unit, sets
It is placed in the green light spectroscope of the exit end of the green luminescence unit and is set to the indigo plant of the exit end of the blue light emitting unit
Light spectroscope.
Optionally, the Illuminant chromaticity detection device, which specifically includes, is set to spectroscopical first exit end of the feux rouges
Feux rouges detection device, the green light detection device for being set to spectroscopical first exit end of the green light and it is set to the blue light point
The blue light detection device of first exit end of light microscopic.
Optionally, the light source drive device is according to the feux rouges detection device, the green light detection device and the indigo plant
The testing result of optical detection device adjusts the red light-emitting unit, the green luminescence unit and the blue light emitting unit
Power.
Optionally, the Multiplexing apparatus specifically includes the feux rouges light combination for being set to spectroscopical second exit end of the feux rouges
Unit, the green light light combination unit for being set to spectroscopical second exit end of the green light and it is set to the blue light spectroscopical
The blue light light combination unit of two exit ends.
Optionally, the fiber coupling device is simple lens or lens group, wherein each lens can be spherical lens
Or non-spherical lens.
Optionally, the optical fiber scanning projection device further includes scanning optical fiber driving device, the scanning optical fiber driving dress
It sets and is connected with the scanning optical fiber, for driving the scanning optical fiber to be scanned according to default scanning mode.
Optionally, the optical fiber scanning projection device further includes decoding apparatus, and the decoding apparatus and the light source drive
Device is connected, and for image to be scanned to be converted to corresponding chrominance signal, and the light source drive device is passed to, so that institute
Light source drive device is stated according to the light of default scanning mode outgoing corresponding color.
One or more technical solution in the embodiment of the present invention, at least has the following technical effect that or advantage:
Technical solution provided in an embodiment of the present invention, which is used, separates one for the light that light source is emitted by light-dividing device
Divide and detected into Illuminant chromaticity detection device, and light source drive device is according to testing result to the light of light source outgoing
The technical solution that coloration is adjusted, so can be carried out in the operational process of optical fiber scanning projection device in source ends
The real-time detection of coloration, and the coloration of the light of light source outgoing is carried out in real time by light source drive device according to testing result
Adjustment ensure that the correctness of the white balance of the light of light source outgoing, realize the practical fortune according to optical fiber scanning projection device
The coloration for the light that market condition is emitted it carries out the purpose of adjustment, so as to provide a user good visual experience.
Detailed description of the invention
Fig. 1 is the structure chart of optical fiber scanning projection device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of optical fiber scanning projection device, to meet in the prior art to can be according to reality
Situation carries out the demand of the projection device of adjustment to its coloration.
Referring to FIG. 1, Fig. 1 is the structure chart of optical fiber scanning projection device provided in an embodiment of the present invention, as shown in Figure 1,
The optical fiber scanning projection device includes light source drive device 101, light source 102, light-dividing device 103, Illuminant chromaticity detection device
104, Multiplexing apparatus 105, fiber coupling device 106 and scanning optical fiber 107, light source 102 can be emitted at least two beam different colors
Light, specific color is subject to color mode used by optical fiber scanning projection device, for example, light source can be emitted it is a branch of
Light comprising red green and it is a branch of include turquois light, or can be emitted and respectively include red, green and blue
This three beams light, etc., or can also be emitted and respectively include red, green, blue and this white four bundles light line, etc.,
This is with no restrictions.
With continued reference to FIG. 1, light source drive device 101 is connected with light source 102；Light-dividing device 103 is set to light source 102
Exit end, every kind of light that light source 102 is emitted by light-dividing device 103 are divided into two parts, and a part guidance is detected to Illuminant chromaticity to be filled
104 carry out colorimetric detections are set, another part guides to Multiplexing apparatus 105 and carries out conjunction beam；Illuminant chromaticity detection device 104 is set to
First exit end of light-dividing device 103 and it is connected with light source drive device 101, Illuminant chromaticity detection device 104 is to light-dividing device
The coloration of the light of 103 the first exit end outgoing is detected, and be will test result and be sent to light source drive device 101；It closes
Electro-optical device 105 is set to the second exit end of the light-dividing device 103, what Multiplexing apparatus 105 was used to for light-dividing device 103 being emitted
Light carries out closing beam processing；Fiber coupling device 106 is set to the second exit end of Multiplexing apparatus 105, fiber coupling device 106
Light coupling for Multiplexing apparatus 105 to be emitted is into scanning optical fiber 107；Scanning optical fiber 107 is set to fiber coupling device
106 exit end.
In this way, light source drive device 101 can be according to Illuminant chromaticity during the operation of optical fiber scanning projection device
The testing result for the light that detection device 104 is emitted light source is adjusted the coloration for the light that light source 102 is emitted, and guarantees
The correctness of the white balance for the light that light source 102 is emitted.
As can be seen that the light that light source 102 is emitted is separated a part to light source by light-dividing device 103 due to using
It is detected in chroma detection device 104, and the light that light source drive device 101 is according to testing result emitted light source 102
The technical solution that is adjusted of coloration, so can in the operational process of optical fiber scanning projection device, source ends i.e. into
The real-time detection of row coloration, and the light that light source 102 is emitted in real time by light source drive device 101 according to testing result
Coloration is adjusted, and ensure that the correctness of the white balance for the light that light source 102 is emitted, and is realized and is set according to optical fiber scanning projection
The coloration for the light that standby practical operation situation is emitted it carries out the purpose of adjustment, so as to provide a user good view
Feel experience.
Light source drive device 101 can be emitted light source 102 according to the testing result of Illuminant chromaticity detection device 104
The coloration of light is adjusted, and realizes the color for the light being emitted according to the practical operation situation of optical fiber scanning projection device to it
Degree carries out the purpose of adjustment, so as to provide a user good visual experience.
In the specific implementation process, light source 102 is specifically as follows laser light source or LED light source, certainly, belonging to this field
Technical staff can select suitable light source according to the actual situation, to meet the needs of actual conditions, herein with no restrictions.
In the specific implementation process, the color mode according to used by optical fiber scanning projection device, light source 102 may include
Multiple sub- luminescence units, of course, corresponding light-dividing device 103, Illuminant chromaticity detection device 104 and light combination dress in subsequent optical path
Subelement also including corresponding quantity is set, details are not described herein again, will be specially RGB with light source 102 in the present embodiment
It is introduced for light source, with continued reference to FIG. 1, as shown in Figure 1, light source 102 includes red light-emitting unit 1021, green luminescence
Unit 1022 and blue light emitting unit 1023, by by red light-emitting unit 1021, green luminescence unit 1022 and blue light emitting
The light that unit 1023 is emitted, to together, can form the light of corresponding coloration, details are not described herein again by various combination.
Accordingly, light source drive device 101 includes feux rouges driving unit 1011, green light driving unit 1012 and blu-ray drives unit
1013。
In the specific implementation process, with continued reference to FIG. 1, as shown in Figure 1, light-dividing device 103 includes being set to feux rouges hair
The feux rouges spectroscope 1031 of the exit end of light unit 1021, be set to green luminescence unit 1022 exit end green light spectroscope
1032 and be set to blue light emitting unit 1023 exit end blue light spectroscope 1033.It should be noted that feux rouges spectroscope
1031, the light splitting ratio of green light spectroscope 1032 and blue light spectroscope 1033 herein with no restrictions, can according to the actual situation into
Row setting, is subject to the requirement for meeting actual conditions.
In the specific implementation process, Illuminant chromaticity detection device 104, which specifically includes, is set to the of feux rouges spectroscope 1031
The feux rouges detection unit 1041 of one exit end, be set to green light spectroscope 1032 the first exit end green light detection unit 1042
With the blue light detection unit 1043 for the first exit end for being set to blue light spectroscope 1033.
In the specific implementation process, the feux rouges detection unit 1041 in Illuminant chromaticity detection device 104, green light detection unit
1042 and blue light detection unit 1043 specifically can be photodiode, by the intensity for the light that photodiode detects,
And spectroscopical light splitting ratio, it can determine the intensity for the light that scanning optical fiber 107 exports, details are not described herein again.
In the specific implementation process, it is assumed that the color that a certain moment needs to scan the light of the outgoing of optical fiber 107 is grey, then
The light that red light-emitting unit 1021, green luminescence unit 1022 and blue light emitting unit 1023 are respectively emitted in light source 101
Normal intensity should be 190:190:190, can guarantee that user obtains good visual experience；In optical fiber scanning projection device
Actual moving process in, if such as resulting in light source because the factors such as temperature cause the working condition of some luminescence unit abnormal
The intensity for the light that red light-emitting unit 1021, green luminescence unit 1022 and blue light emitting unit 1023 are respectively emitted in 101
For 210:220:200, Illuminant chromaticity detection device 104 can pass through feux rouges detection unit 1041, green light detection unit 1042
The intensity that red light, green light and blue ray are detected with blue light detection unit 1043 is 210:220:200, and light source drives
Dynamic device 101 can reduce red light-emitting unit in light source 102 according to the testing result of Illuminant chromaticity detection device 104
1021, the luminous power of green luminescence unit 1022 and blue light emitting unit 1023, such as by reducing voltage and or current
Mode, so that the intensity for the light that red light-emitting unit 1021, green luminescence unit 1022 and blue light emitting unit 1023 are emitted
It is adjusted to 190:190:190, so that it is guaranteed that the color for the light that scanning optical fiber 107 is emitted is grey；In other embodiments, if
When scanning optical fiber 107 is emitted the light of a certain color, red light-emitting unit 1021, green luminescence unit 1022 or blue light emitting
Result of the intensity for each light that unit 1023 is emitted compared with normal intensity is lower, then light source drive device 101 can root
According to the testing result of Illuminant chromaticity detection device 104, the power of corresponding luminescence unit in light source 102 is improved, such as by mentioning
The mode of high voltage and/or electric current, so that red light-emitting unit 1021, green luminescence unit 1022 or blue light emitting unit 1023
The intensity of the light of outgoing increases, to guarantee the accuracy of the color for the light that scanning optical fiber 107 is emitted.
And so on, it can guarantee that the color of the light of optical fiber scanning projection device outgoing is correctly, to guarantee
The visual experience of user.
It of courses, it should be noted that the mistake being scanned by scanning optical fiber 107 is carried out in optical fiber scanning projection device
Cheng Zhong detects that the color of the light of outgoing of a certain moment of light source 102 is deposited when abnormal in Illuminant chromaticity detection device 104, should
There is abnormal light and be emitted on screen in color, be equivalent in the present frame of optical fiber scanning projection outgoing
Corresponding pixel has existed exception, still, frame per second when being scanned due to optical fiber scanning projection device be generally 60HZ,
75HZ or 90HZ are even more, and the variation of the environmental parameters such as the temperature of optical fiber scanning projection device in the process of running is one
A constantly process will not continually change in a short time, therefore, even if the outgoing of optical fiber scanning projection device is current
The color of a certain pixel occurs abnormal in frame, and the influence to user's visual experience is also minimum, uses in follow up scan process
Light can guarantee in the correct situation of color that the exception of the pixel can be ignored substantially, and details are not described herein again.
In the specific implementation process, Multiplexing apparatus 105 includes the feux rouges conjunction for being set to spectroscopical second exit end of feux rouges
Light unit, the green light light combination unit for being set to spectroscopical second exit end of green light and be set to blue light it is spectroscopical second outgoing
The blue light light combination unit at end, with continued reference to FIG. 1, as shown in Figure 1, in the present embodiment, feux rouges light combination unit is specially to be arranged
In the anti-feux rouges colour filter 1051 of the second exit end of feux rouges spectroscope 1031, green light light combination unit is specially to be set to green light point
The anti-green light colour filter 1052 of the saturating feux rouges of second exit end of light microscopic 1032, blue light light combination unit are specially to be set to blue light light splitting
The saturating blue light colour filter 1053 of the anti-red-green glow of second exit end of mirror 1033, in this way, passing through anti-feux rouges colour filter 1051, saturating feux rouges
Anti- green light colour filter 1052 and the saturating blue light colour filter 1053 of anti-red-green glow can be by red light-emitting units 1021, green luminescence list
Together, details are not described herein again for the light combinations that member 1022 or blue light emitting unit 1023 are respectively emitted.
It of courses, it should be noted that according to the difference of light path design, the colour filter in Multiplexing apparatus 105 can have more
Can Multiplexing apparatus be reasonably arranged according to the actual situation in seed type, in practical applications, technical staff belonging to this field
The position of colour filter and type in 105, to meet the needs of actual conditions, details are not described herein again.
In the specific implementation process, fiber coupling device 106 is simple lens or lens group, wherein each lens can be
Spherical lens or non-spherical lens.It of courses, in practical applications, technical staff belonging to this field can also be by optical fiber coupling
Attach together set 106 and scanning optical fiber 107 combine, such as can be lens fiber etc., this should also be as belonging to power of the present invention
The claimed range of benefit, details are not described herein again.
In the specific implementation process, scanning optical fiber 107 is specially piezoelectric ceramics optical fiber, in other embodiments, scans light
Line 107 can also be the optical fiber that is driven by electromagnetic force, certainly, introduction through this embodiment, skill belonging to this field
Art personnel can according to the actual situation, select the scanning optical fiber of other forms, to meet the needs of actual conditions, herein just no longer
It repeats.
In the specific implementation process, optical fiber scanning projection device further includes scanning optical fiber driving device 108, and scanning optical fiber drives
Dynamic device 108 is connected with scanning optical fiber 107, for driving scanning optical fiber 107 to be scanned according to default scanning mode, wherein
Preset scanning mode can be helical scanning mode, Li Saru scanning mode or grid type scanning mode etc., ability
Technical staff belonging to domain can select suitable scanning mode according to the actual situation, to meet the needs of actual conditions, herein
Just repeat no more.
In the specific implementation process, optical fiber scanning projection device further includes decoding apparatus 109, decoding apparatus 109 and light source
Driving device 101 is connected, and for image to be scanned to be converted to corresponding chrominance signal, and passes to light source drive device 101,
So that light source drive device 101 is emitted the light of corresponding color according to default scanning mode, and scanning optical fiber 107 can simultaneously
It under the action of scanning optical fiber driving device 108, is scanned according to default scanning mode, in this way, optical fiber scanning projection device
Can to screen prjection the image to be scanned, details are not described herein again.
It can be seen that technical solution provided in an embodiment of the present invention by above-mentioned part and use and pass through light-dividing device for light
The light of source outgoing separates the technical solution that a part is detected into Illuminant chromaticity detection device, so can sweep in optical fiber
It retouches in the operational process of projection device, the light color of real-time detection optical fiber scanning projection device outgoing, and light source driving dress
The light color of light source outgoing can be adjusted, realize basis according to the testing result of Illuminant chromaticity detection device by setting
Optical color that the practical operation situation of optical fiber scanning projection device is emitted it carries out the purpose of adjustment, so as to user
Good visual experience is provided.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" or " comprising " are not arranged
Except there are element or steps not listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of more
A such element.The present invention can be by means of including the hardware of several different elements and by means of properly programmed calculating
Machine is realized.In the unit claims listing several devices, several in these devices can be by same
Hardware branch embodies.The use of word first, second, and third does not indicate any sequence, can be by these word solutions
It is interpreted as title.
One or more technical solution in the embodiment of the present invention, at least has the following technical effect that or advantage:
Technical solution provided in an embodiment of the present invention, which is used, separates one for the light that light source is emitted by light-dividing device
Divide and detected into Illuminant chromaticity detection device, and light source drive device is according to testing result to the light of light source outgoing
The technical solution that coloration is adjusted, so can be carried out in the operational process of optical fiber scanning projection device in source ends
The real-time detection of coloration, and the coloration of the light of light source outgoing is carried out in real time by light source drive device according to testing result
Adjustment ensure that the correctness of the white balance of the light of light source outgoing, realize the practical fortune according to optical fiber scanning projection device
The coloration for the light that market condition is emitted it carries out the purpose of adjustment, so as to provide a user good visual experience.
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. a kind of optical fiber scanning projection device, which is characterized in that including light source drive device, light source, light-dividing device, Illuminant chromaticity
Detection device, Multiplexing apparatus, fiber coupling device and scanning optical fiber；
The light source drive device is connected with the light source, and the light-dividing device is set to the exit end of the light source, the light
Source chroma detection device is set to the first exit end of the light-dividing device and is connected with the light source drive device, the light combination
Device is set to the second exit end of the light-dividing device, and the fiber coupling device is set to the outgoing of the Multiplexing apparatus
End, the scanning optical fiber are set to the exit end of the fiber coupling device；
The testing result for the light that the light source drive device is emitted the light source according to the Illuminant chromaticity detection device is right
The coloration of the light of the light source outgoing is adjusted.
2. optical fiber scanning projection device as described in claim 1, which is characterized in that the light source be specially laser light source or
LED light source.
3. optical fiber scanning projection device as described in claim 1, which is characterized in that described when the light source is rgb light source
Light source includes red light-emitting unit, green luminescence unit and blue light emitting unit.
4. optical fiber scanning projection device as claimed in claim 3, which is characterized in that the light-dividing device is described including being set to
The feux rouges spectroscope of the exit end of red light-emitting unit, be set to the green luminescence unit exit end green light spectroscope and
It is set to the blue light spectroscope of the exit end of the blue light emitting unit.
5. optical fiber scanning projection device as claimed in claim 4, which is characterized in that the Illuminant chromaticity detection device is specifically wrapped
It includes and is set to the feux rouges detection device of spectroscopical first exit end of the feux rouges, be set to the green light spectroscopical first and go out
It penetrates the green light detection device at end and is set to the blue light detection device of spectroscopical first exit end of the blue light.
6. optical fiber scanning projection device as claimed in claim 5, which is characterized in that the light source drive device is according to described red
The testing result of optical detection device, the green light detection device and the blue light detection device, adjust the red light-emitting unit,
The power of the green luminescence unit and the blue light emitting unit.
7. optical fiber scanning projection device as claimed in claim 5, which is characterized in that the Multiplexing apparatus, which specifically includes, to be set to
The feux rouges light combination unit of spectroscopical second exit end of feux rouges is set to the green of spectroscopical second exit end of the green light
Photosynthetic light unit and the blue light light combination unit for being set to spectroscopical second exit end of the blue light.
8. optical fiber scanning projection device as described in claim 1, which is characterized in that the fiber coupling device be simple lens or
Person's lens group, wherein each lens can be spherical lens or non-spherical lens.
9. optical fiber scanning projection device as claimed in claim 8, which is characterized in that the optical fiber scanning projection device further includes
Optical fiber driving device is scanned, the scanning optical fiber driving device is connected with the scanning optical fiber, for driving the scanning optical fiber
It is scanned according to default scanning mode.
10. optical fiber scanning projection device as claimed in claim 9, which is characterized in that the optical fiber scanning projection device also wraps
Decoding apparatus is included, the decoding apparatus is connected with the light source drive device, for image to be scanned to be converted to corresponding color
Multimedia message number, and the light source drive device is passed to, it is corresponded to so that the light source drive device is emitted according to default scanning mode
The light of color.
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| CN201710642157.8A CN109324464A (en) | 2017-07-31 | 2017-07-31 | A kind of optical fiber scanning projection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710642157.8A CN109324464A (en) | 2017-07-31 | 2017-07-31 | A kind of optical fiber scanning projection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115706785A (en) * | 2021-08-04 | 2023-02-17 | Oppo广东移动通信有限公司 | Projection method, device and system and non-volatile computer readable storage medium |
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