CN106444249B - A kind of laser light-source device - Google Patents
A kind of laser light-source device Download PDFInfo
- Publication number
- CN106444249B CN106444249B CN201610892402.6A CN201610892402A CN106444249B CN 106444249 B CN106444249 B CN 106444249B CN 201610892402 A CN201610892402 A CN 201610892402A CN 106444249 B CN106444249 B CN 106444249B
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- colour wheel
- light
- light source
- area
- laser light
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000004913 activation Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000003086 colorant Substances 0.000 claims description 8
- 230000005284 excitation Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000011514 reflex Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
Classifications
-
- 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
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
- G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels
-
- 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
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
Abstract
The present invention provides a kind of laser light-source devices, including light source activation device, light path integral unit, the first colour wheel with transparent area and phosphor region, alternatively distributed second colour wheel of two kinds of coloured light filter areas, the light path guidance unit for guiding excitation light source, relay lens group, collimation lens set, speculum and light source receiving unit.The present invention alleviates the consumption of light source using light path guidance unit, improves brightness, and to improve the quality of picture, while such structure makes colour wheel be easier to realize.
Description
Technical field
The present invention relates to projection display technique fields, more particularly to a kind of laser light-source device.
Background technology
Laser light source is the electric light source to be shone under stimulated radiation effect using excited state particle, has monochromaticjty good, square
The features such as tropism is strong and brightness is high, is widely used in projection light source.
Existing laser light source in industry at present can use the first colour wheel to generate the fluorescence in addition to laser color, pass through
It excites the second colour wheel to generate other coloured light and transmits the fluorescence that the first colour wheel generates, the output purity higher three of final timing
Primary colours, in this, as the higher light source of picture brightness.The three primary colours that the double-colored wheel laser light source of the prior art generates will be through
Cross the second colour wheel to filter, not only the realization difficulty of increased second colour wheel, also make by the light in the second areas colour wheel Tou Se into
The consumption of one step, to reduce its brightness.
Invention content
The present invention solves the technical problem of by providing a kind of laser light-source device, to realize most efficient utilization
Three primary colours, while improving the realizability of colour wheel.
To solve the above problems, the technical scheme is that：A kind of laser light-source device, including：Light source activation device is used
In the laser light source for sending out at least one color；Light path integral unit is set in front of light source activation device light path, sharp for integrating
Radiant；First colour wheel is arranged in front of light path integral unit light path, includes at least transparent area and phosphor region, the transparent area
Being set as can be with transmission laser light source, and the plane of incidence of phosphor region, which is set as stimulated light light source activation, can generate fluorescence；Second colour wheel,
It is located in front of the light path for the light that the phosphor region of the first colour wheel is sent out, including one or more groups of filter areas, every group of filter area include
Two or more coloured light filter areas, every group of coloured light filter area are alternately distributed, and the filter area is set as filtering different colours
Light；Light path guidance unit for guiding light source；Relay lens group；Collimation lens set；Speculum；And for first will to be passed through
The light source receiving unit that colour wheel and the second colour wheel and the light of other elements transmission and reflection converge；First colour wheel and second
Colour wheel is pivoted according to certain rotating speed so that incident light thereon is alternately contacted with different regions.
Preferably, the rotating speed of the first colour wheel is the N speeds of the second colour wheel rotating speed, and N is two kinds of coloured light filters on the second colour wheel
Alternatively distributed group of light area number.
Preferably, the light path guidance unit includes speculum and relay lens, the swashing from the first colour wheel transmission
The fluorescence that radiant or excitation generate directly reflexes to light source receiving unit through light path guidance unit；It is described to be penetrated from the first colour wheel
Light source without the second colour wheel.
Preferably, be set as can be with the transmission of the echo area of reflection light or transmitted ray for the phosphor region of first colour wheel
Area.
Preferably, first colour wheel includes blue light transparent area and yellow fluorescence area.
Preferably, every group of one or more groups of filter areas of second colour wheel is that red filter area and green are filtered
Light area, and red filter area and green filter area are alternately distributed.
Preferably, the collimation lens set includes being located at two groups of collimation lenses of the first colour wheel both sides.
Preferably, the relay lens group includes being located at two groups of relay lens of the second colour wheel both sides.
Preferably, first colour wheel and the second colour wheel are placed in parallel relatively.
Preferably, first colour wheel and the second colour wheel Relative vertical are placed.
The advantageous effect of the embodiment of the present invention is：It is different from the prior art, the present invention is by being arranged according to certain rotating speed
The first colour wheel and the second colour wheel being pivoted, wherein the first colour wheel at least has in transparent area and phosphor region, the second colour wheel extremely
It is few to be alternately distributed there are two types of coloured light filter area, alternately excite the first colour wheel to generate yellow light, and by light path guide unit without the
Two colour wheels directly reflex to light source receiving unit, alleviate the further consumption of excitation light source, improve brightness, to carry
High image quality, while colour wheel being made to be easier to realize.
Description of the drawings
Fig. 1 is the first colour wheel and the second colour wheel front view of laser light-source device of the present invention；
Fig. 2 is the first embodiment structural schematic diagram of laser light-source device of the present invention；
Fig. 3 is the second embodiment structural schematic diagram of laser light-source device of the present invention；
Fig. 4 is the 3rd embodiment structural schematic diagram of laser light-source device of the present invention.
Specific implementation mode
It is the first colour wheel and the second colour wheel front view of the embodiment of the present invention as shown in Figure 1, the first colour wheel at least has saturating
Light area and phosphor region, the transparent area are set as to be set as being excited radiant with transmission laser light source, the plane of incidence of phosphor region
Excitation can generate fluorescence；Second colour wheel includes one or more groups of filter areas, and every group of filter area includes that two or more coloured light filter
Area, every group of coloured light filter area are alternately distributed, and the filter area is set as the light of filtering different colours；；The light transmission of first colour wheel
Area can be provided with fluorescent powder with transmitted ray, the phosphor region of the first colour wheel, and stimulated light excitation can generate fluorescence；Second colour wheel
Filter area can filter the light of different colours.
As shown in Figure 1, in the present embodiment, the first colour wheel 50 includes blue transparent area 51, yellow fluorescence area 52.Second colour wheel
60 include that the green filter area 61 of several groups and red filter area 62, green filter area and red filter area are alternately distributed, and first
The rotating speed of colour wheel 50 is the N speeds of 60 rotating speed of the second colour wheel, and N two kinds of coloured light filter areas on the second colour wheel 60 are alternately arranged
Group number.
If the second colour wheels of Fig. 1 60 are that feux rouges filter area and green light filter area are alternately distributed, group number is 2, i.e. N=2, this group of number
In the case of, when the first colour wheel 50 circles, the second 60 turns of colour wheel 1/2 week is sequentially output a feux rouges, green light and blue light.
When the group number of the second colour wheel is 3, when the first colour wheel circles, and the second colour wheel turns 1/3 week, is sequentially output a feux rouges, green
Light and blue light；Similarly, when the second colour wheel group number is N, when the first colour wheel circles, and the second colour wheel turns 1/N weeks, is sequentially output
Feux rouges, green light and blue light.First colour wheel, 50 and second colour wheel 60 is pivoted according to certain rotating speed so that incident
Crossover thereon is replaced and is contacted with different regions so that incident light thereon can generate corresponding place according to actual needs
Reason variation is to adapt to different demands.
In the embodiment of the present invention, N can select different numerical value according to actual conditions.
In the embodiment of the present invention, the rotating speed of the first colour wheel and the second colour wheel can specifically be adjusted according to actual conditions.
In the embodiment of the present invention, the first colour wheel is not limited to blue transparent area 51 and yellow fluorescence area 52, can be according to reality
Situation setting others or different transparent area and phosphor region；Or more or fewer transparent areas or phosphor region are set.
In the embodiment of the present invention, the second colour wheel is not limited to green filter area and red filter area, can be according to actual conditions
Other or different filter area is set；Or the more or fewer filter areas of setting.
Embodiment one
The laser light-source device of the present embodiment of the present invention includes the light source of the laser light source for sending out at least one color
Exciter 10；It is set in front of light source activation device light path, light path integral unit 20, the first colour wheel for integrating laser light source
50, the second colour wheel 60, the first light path guidance unit 30 for guiding light source, the first collimation lens set 41, the second collimation lens
The 42, first relay lens group 43 of group, the second relay lens group 44, the second speculum 23, third speculum 45 and for will be through
Cross the light source receiving unit 46 that the first colour wheel and the second colour wheel and the light of other elements transmission and reflection converge, the first colour wheel 50
It is placed in parallel relative to the second colour wheel 60.
As shown in Fig. 2, light source activation device 10 in the present embodiment generates blue laser, by light path integral unit 20, the
Two collimation lens sets 42 reach the first colour wheel 50, and the first colour wheel 50 is pivoted according to certain rotating speed.In the embodiment, yellow
Phosphor region 52 is that can excite yellow light when blue laser contacts yellow fluorescence area 52, and reflect with the echo area of reflection light
First colour wheel 50, yellow light reach the second color by the second collimation lens set 42, the second speculum 23 and the first relay lens group 43
Wheel 60；When blue laser contacts 50 blue transparent area 51 of the first colour wheel, blue laser transmits the first colour wheel 50, by the first standard
41 groups of the first light path of arrival guidance units 30 of straight lens, draw in the multigroup speculum and relay lens of the first light path guidance unit 30
Lower arrival third speculum 45 is led, light source receiving unit 46 is reached through reflection.
According to the rotation speed relation of the first colour wheel 50 and the second colour wheel 60, the second colour wheel 60 is according to the one of 50 rotating speed of the first colour wheel
Partly it is pivoted.The yellow light for reaching the second colour wheel 60, green light is filtered out when touching green filter area 61；When touching red filter
Feux rouges is filtered out when light area 62, and is sequentially output feux rouges and green light, and feux rouges and green light pass through the second relay lens group 44 and third
Speculum 45 reaches light source receiving unit 46.
Wherein, the light source activation device 10 of the present embodiment can also generate the light of other colors according to actual conditions.
Wherein, first colour wheel 50 of the present embodiment is reflective.
Wherein, light path integral unit 20 includes the first speculum 21 and carries out the structure 22 of looking in the distance of shrink beam to excitation light source.
Wherein, it includes the optical wand and dmd chip homogenized to light that light source receiving unit 46 is main.
Wherein, the second speculum 23 and third speculum 45 can be dichroic piece allows blue laser anti-by plated film
It penetrates, allows yellow light and red transmission.
Wherein, the first light path guidance unit 30 includes one or more groups of speculums and relay lens, will be from first
The laser light source that colour wheel penetrates directly reflexes to light source receiving unit without the second colour wheel.
Wherein, in the embodiment of the present invention, the collimation lens set includes being located at two groups of standards of the first colour wheel both sides
Straight lens, i.e. the first collimation lens set 41, the second collimation lens set 42, in practical application collimation lens set may include it is more or
Difference can be arranged in the position of less component, component, to realize different demands.
Wherein, in the embodiment of the present invention, the relay lens group includes being located in two groups of the second colour wheel both sides
After lens, i.e. the first relay lens group 43, the second relay lens group 44, practical application relay lens group may include more or more
Difference can be arranged in the position of few component, component, to realize different demands.
Wherein, in the embodiment of the present invention, the first light path guidance unit 30 includes one or more speculums in
After lens, the fluorescence generated by the excitation of the first colour wheel 50 directly reflexes to light source through the first light path guidance unit 30 and receives
Unit 46；The light source penetrated from the first colour wheel 50 without the second colour wheel 60, alleviate excitation light source (blue light) into one
Step consumption.
Embodiment two
Fig. 3 be the embodiment of the present invention two structural schematic diagram, the present embodiment compared to embodiment one the difference is that,
First colour wheel 70 of the present embodiment is vertical relative to the second colour wheel 80, at the same to the relay lens of the second light path guidance unit 90 and
Speculum is increased and decreased.
Embodiment three
The present embodiment compared to embodiment one the difference is that, as shown in figure 4, first colour wheel 71 of the present embodiment is
Transmission-type, i.e., in the embodiment, yellow fluorescence area 52 is can be with the transmission area of transmitted ray.When blue laser is passing through the first color
Behind the yellow fluorescence area 52 of wheel 71, the yellow light inspired is directed through the yellow fluorescence area 52 of the first colour wheel 71, and it is anti-to reach second
Mirror 24 is penetrated, the second colour wheel is reached through transmission；When blue laser reaches the second reflection through the blue transparent area 51 of the first colour wheel 71
Mirror 24 reaches third light path guidance unit 31 through reflection.
Wherein, the second speculum 24 can be dichroic piece allows blue laser to reflect by plated film, allows yellow light saturating
It penetrates.
Above example according to the first colour wheel can be transmission-type or reflective, do the adjustment of corresponding construction, herein
Differ a citing.
Wherein, in the embodiment of the present invention, the first colour wheel can be parallel with the second colour wheel or be vertically arranged, or according to reality
Space needs to select other set-up modes, using different set-up modes, different space requirements is adapted to, with maximum journey
Space is saved on degree ground.
Wherein, in the embodiment of the present invention, the arrangement mode of other each elements can also be according to the needs of space setting
Different arrangement modes is selected, to adapt to different space requirements, farthest saves space.
Wherein, in the embodiment of the present invention, it will be appreciated by those of skill in the art that according to actual needs, light source activation device,
Light path integral unit, light path guidance unit, relay lens group, collimation lens set, speculum and light source receiving unit etc. can be with
Include more or less than above-mentioned or diagram device.It should be understood that above-mentioned part divide and including corresponding component be all example
Property, according to actual needs, above-mentioned part is may include more or less than, or including being more or less than above-mentioned corresponding component.
In conclusion the embodiment of the present invention is by being arranged the first colour wheel and the second color that are pivoted according to certain rotating speed
Wheel, wherein there are the first colour wheel two kinds of coloured light filter areas in transparent area and phosphor region, the second colour wheel to be alternately distributed, excitation alternately the
Color wheel generates yellow light, and by light path guide unit without the second colour wheel, directly reflexes to light source receiving unit, alleviates sharp
The further consumption of light emitting source, improves brightness, to improve image quality, while colour wheel being made to be easier to realize.
Claims (8)
1. a kind of laser light-source device, including：
Light source activation device, the laser light source for sending out at least one color；
Light path integral unit is set in front of light source activation device light path, for integrating laser light source；
First colour wheel is arranged in front of light path integral unit light path, includes at least transparent area and phosphor region, the transparent area setting
For can be with transmission laser light source, the plane of incidence of phosphor region, which is set as stimulated light light source activation, can generate fluorescence；
Second colour wheel is located in front of the light path for the light that the phosphor region of the first colour wheel is sent out, including one or more groups of filter areas, often
Group filter area includes two or more coloured light filter areas, and every group of coloured light filter area is alternately distributed, and the filter area was set as
Filter the light of different colours；
Light path guidance unit for guiding light source；Relay lens group；Collimation lens set；Speculum；And for the will to be passed through
The light source receiving unit that color wheel and the second colour wheel and the light of other elements transmission and reflection converge；
First colour wheel and the second colour wheel are pivoted according to certain rotating speed so that incident light thereon alternately from it is different
Region contacts；
The light path guidance unit includes speculum and relay lens, the laser light source or fluorescence penetrated from the first colour wheel
Light source receiving unit is directly reflexed to through light path guidance unit；The light source penetrated from the first colour wheel is without the second colour wheel；
The rotating speed of first colour wheel is the N speeds of the second colour wheel rotating speed, and N is two kinds of coloured light filter area alternatings on the second colour wheel
The group number of distribution.
2. laser light-source device according to claim 1, which is characterized in that the phosphor region of first colour wheel is set as can
With the echo area of reflection light or the transmission area of transmitted ray.
3. laser light-source device according to claim 1, which is characterized in that first colour wheel includes blue light transparent area
With yellow fluorescence area.
4. laser light-source device according to claim 1, which is characterized in that described one group or more of second colour wheel
Every group of group filter area is red filter area and green filter area, and red filter area and green filter area are alternately distributed.
5. laser light-source device according to claim 1, which is characterized in that the collimation lens set includes being located at
Two groups of collimation lenses of the first colour wheel both sides.
6. laser light-source device according to claim 1, which is characterized in that the relay lens group includes being located at
Two groups of relay lens of the second colour wheel both sides.
7. laser light-source device according to claim 1, which is characterized in that first colour wheel and the second colour wheel is opposite
It is placed in parallel.
8. laser light-source device according to claim 1, which is characterized in that first colour wheel and the second colour wheel is opposite
It is disposed vertically.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892402.6A CN106444249B (en) | 2016-10-13 | 2016-10-13 | A kind of laser light-source device |
| PCT/CN2017/075613 WO2018068471A1 (en) | 2016-10-13 | 2017-03-03 | Laser light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892402.6A CN106444249B (en) | 2016-10-13 | 2016-10-13 | A kind of laser light-source device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106444249A CN106444249A (en) | 2017-02-22 |
| CN106444249B true CN106444249B (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610892402.6A Active CN106444249B (en) | 2016-10-13 | 2016-10-13 | A kind of laser light-source device |
Country Status (2)
| Country | Link |
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| CN (1) | CN106444249B (en) |
| WO (1) | WO2018068471A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444249B (en) * | 2016-10-13 | 2018-09-28 | 广景视睿科技（深圳）有限公司 | A kind of laser light-source device |
| CN107656414A (en) * | 2017-11-16 | 2018-02-02 | 四川长虹电器股份有限公司 | A kind of micro- projecting optical engine system of transmission-type single shaft two-wheel laser |
| JP6819910B2 (en) * | 2018-01-09 | 2021-01-27 | カシオ計算機株式会社 | Light source device and projection device |
| CN108303839B (en) * | 2018-02-09 | 2019-11-12 | 广景视睿科技（深圳）有限公司 | A kind of laser projection lighting source and its optical projection system |
| CN110471245B (en) * | 2018-05-10 | 2021-10-22 | 深圳光峰科技股份有限公司 | Light source system, projection apparatus, and illumination apparatus |
| CN109521638B (en) * | 2018-12-20 | 2021-01-05 | 苏州佳世达光电有限公司 | Optical module |
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| CN202306114U (en) * | 2011-10-29 | 2012-07-04 | 明基电通有限公司 | Light source module and projector using same |
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| CN104765239A (en) * | 2014-01-03 | 2015-07-08 | 深圳市亿思达科技集团有限公司 | Light source system |
| CN104317151B (en) * | 2014-10-27 | 2017-06-20 | 苏州佳世达光电有限公司 | The light mixing method of projection arrangement and projection arrangement |
| CN105467737A (en) * | 2015-12-29 | 2016-04-06 | 海信集团有限公司 | Laser light source device and laser projection equipment |
| CN106444249B (en) * | 2016-10-13 | 2018-09-28 | 广景视睿科技（深圳）有限公司 | A kind of laser light-source device |
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2016
- 2016-10-13 CN CN201610892402.6A patent/CN106444249B/en active Active
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2017
- 2017-03-03 WO PCT/CN2017/075613 patent/WO2018068471A1/en active Application Filing
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| CN101937161A (en) * | 2009-06-30 | 2011-01-05 | 卡西欧计算机株式会社 | Light supply apparatus and projector |
| CN103062672A (en) * | 2011-10-21 | 2013-04-24 | 中强光电股份有限公司 | Lighting system and projection device |
| CN203745789U (en) * | 2014-01-03 | 2014-07-30 | 深圳市亿思达显示科技有限公司 | Light source system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106444249A (en) | 2017-02-22 |
| WO2018068471A1 (en) | 2018-04-19 |
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