CN104808425A - Laser light source light beam parameter consistency adjusting device and adjusting method thereof - Google Patents
Laser light source light beam parameter consistency adjusting device and adjusting method thereof Download PDFInfo
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- CN104808425A CN104808425A CN201410036364.5A CN201410036364A CN104808425A CN 104808425 A CN104808425 A CN 104808425A CN 201410036364 A CN201410036364 A CN 201410036364A CN 104808425 A CN104808425 A CN 104808425A
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- light beam
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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
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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
- G03B21/208—Homogenising, shaping of the illumination light
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
Abstract
The invention discloses a laser light source light beam parameter consistency adjusting device comprising a light source component, a coupling component, a converging lens, and a light diffusing component. The light source component emits laser light beams, including a first light beam, a second light beam and a third light beam. The coupling component comprises a first dichroic light filter and a second dichroic light filter. The first dichroic light filter couples the first light beam and the second light beam into a first coupled light beam, and the second dichroic light filter couples the first coupled light beam and the third light beam into a second coupled light beam. The converging lens is arranged on the optical axis of the second coupled light beam, and converges the second coupled light beam on the light diffusing component. The light diffusing component emits the second coupled light beam at a fixed divergence angle. By adopting the device, the uniformity of light beams output by a light source is effectively improved, and the utilization efficiency of output light is ensured. The invention further discloses a laser light source light beam parameter consistency adjusting method.
Description
Technical field
The invention belongs to semiconductor laser field, particularly relate to the conforming adjusting gear of a kind of LASER Light Source light beam parameters and method of adjustment thereof.
Background technology
In recent years, using liquid crystal panel or digital micro-mirror chip (DMD) as in the projection display apparatus (or projector) of display element, employ the technology of light emitting diode as light source gradually, disclosed in patent documentation JP2003-186110A.Although compared with adopting the technology of conventional light source, adopt LED light emitting diode can have a series of advantage as light source, but in light source light spectrum purity, Color Range and the brightness in large screen projection market etc., using laser as the projector of light source, have more obvious advantage than the projector equipment adopting LED light emitting diode as light source.For solving the low problem of LED light-emitting diode luminance, a lot of invention proposes different improving one's methods, such as, invent CN103250096 and propose the scheme adopting semiconductor laser excitation fluorescent material to improve light-source brightness.Although this scheme can improve light-source brightness, due to the wide spectral characteristic of fluorescent material, therefore the chromatic characteristic of its light source module formed is still not enough.
The precision optics adopted in current projection display apparatus, cost of manufacture costly.The light path of projection display apparatus is all through accurate calibration, structure and the annexation thereof of each optics all need close fit, during in order to obtain Different Light brightness or corresponding color, the optical component structure in projection display apparatus cannot be changed neatly, therefore in use create inconvenience.
Summary of the invention
To instant invention overcomes in prior art cannot flexible projection display apparatus inner structure, logical light rate and the higher defect of cost of manufacture can not be improved, propose the conforming adjusting gear of a kind of LASER Light Source light beam parameters and method of adjustment thereof
The present invention proposes the conforming adjusting gear of a kind of LASER Light Source light beam parameters, comprising: light source part, coupling unit, plus lens and light dispersion member; Wherein,
Described light source part is used for giving off laser beam, and described laser beam comprises the first light beam, the second light beam and the 3rd light beam;
Described coupling unit comprises the first dichroic filter and the second dichroic filter; Described first dichroic filter is arranged on the angular bisector of angle between described first light beam and described second light beam, for described first light beam and described second light beam coupling are generated the first coupled light beam; Described second dichroic filter is arranged on the angular bisector of angle between described first coupled light beam and described 3rd light beam, for described first coupled light beam and described 3rd light beam coupling are generated the second coupled light beam;
Described plus lens is arranged on the optical axis of described second coupled light beam, for described second coupled light beam is converged at described light dispersion member;
Described second coupled light beam penetrates with the fixing angle of divergence by described light dispersion member.
In the conforming adjusting gear of LASER Light Source light beam parameters that the present invention proposes, described second coupled light beam is converged to described light dispersion member surface by described plus lens, and makes the area forming hot spot be less than the clear aperture of described light dispersion member.
In the conforming adjusting gear of LASER Light Source light beam parameters that the present invention proposes, the convergence angle of described second coupled light beam converged through described plus lens is positioned at ± 7 ° within.
In the conforming adjusting gear of LASER Light Source light beam parameters that the present invention proposes, the plane of incidence of described light dispersion member is provided with microstructure, and described light dispersion member is arranged on the back focus place of described plus lens, and the described plane of incidence is right against described plus lens.
In the conforming adjusting gear of LASER Light Source light beam parameters that the present invention proposes, the rear being positioned at described light source part is provided with adjustment component further, and described adjustment component injects described coupling unit after described laser beam being carried out expanding or collimate; Described adjustment component comprises concavees lens and/or convex lens.
The invention allows for the conforming method of adjustment of a kind of LASER Light Source light beam parameters, comprise the steps:
Step one: give off laser beam, described laser beam comprises the first light beam, the second light beam and the 3rd light beam;
Step 2: by described first light beam and described second light beam coupling, generate the first coupled light beam;
Step 3: by described first coupled light beam and described 3rd light beam coupling, generate the second coupled light beam;
Step 4: described second coupled light beam is converged to light dispersion member surface;
Step 5: described second coupled light beam penetrates with the fixing angle of divergence by described light dispersion member.
In the conforming method of adjustment of LASER Light Source light beam parameters that the present invention proposes, taking a step forward of step 2 comprises: expand described laser beam and collimate.
In the conforming method of adjustment of LASER Light Source light beam parameters that the present invention proposes, described second coupled light beam converges to the clear aperture that the area of hot spot that light dispersion member surface formed is less than described light dispersion member.
In the conforming method of adjustment of LASER Light Source light beam parameters that the present invention proposes, the convergence angle converging to described second coupled light beam on described light dispersion member surface in step 4 is positioned at ± 7 ° within.
In the conforming method of adjustment of LASER Light Source light beam parameters that the present invention proposes, the described fixing angle of divergence is positioned at ± and 12 °.
Beneficial effect of the present invention comprises: the laser beam of red, green, blue three Color Channels various lasers formed is coupled, it is same as facet region and convergence angle more among a small circle to converge to space, there is close optical extend, meet the input requirements of scattering sheet, and make light have certain space angular range by scattering sheet, the input beam of Illumination Distribution scope forms unified, uniform output beam.The present invention adopts different adjustment component to each independent passage, can multi-form light source be selected arbitrarily at each passage and make full use of the feature of often kind of light source, and the outlet Light distribation form adopting scattering sheet device no longer to need to adopt more expensive light-guide rod structure and obtain composite demand.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the conforming adjusting gear of LASER Light Source light beam parameters of the present invention.
Fig. 2 be in the present invention scattering sheet to the Adjustment Performance schematic diagram of light beam.
Fig. 3 is the output beam performance diagram of scattering sheet in the present invention.
Fig. 4 is the process flow diagram of the conforming method of adjustment of LASER Light Source light beam parameters of the present invention.
Fig. 5 is the beam characteristics curve of blue semiconductor laser in embodiment.
Fig. 6 is the beam characteristics curve of red laser diode in embodiment.
Fig. 7 is embodiment Green channel beam adjustment index path.
Fig. 8 is blue channel light beam adjustment index path in embodiment.
Fig. 9 is red channel light beam adjustment index path in embodiment.
Figure 10 is the light flux distribution that in embodiment, three kinds of color laser is irradiated to optical emission exit after all optical device couplings.
Figure 11 is the light intensity distributions that in embodiment, three kinds of color laser is irradiated to optical emission exit after all optical device couplings.
Embodiment
In conjunction with following specific embodiments and the drawings, the present invention is described in further detail.Implement process of the present invention, condition, experimental technique etc., except the following content mentioned specially, be universal knowledege and the common practise of this area, the present invention is not particularly limited content.
In order to not only improve the brightness of projector equipment, the content that the present invention relates to have employed full LASER Light Source, and use special design structure and beam shaping lens, multiple laser channeling is coupled to the outlet of satisfactory light source, there is satisfactory optical extend simultaneously.
As shown in Figure 1, the conforming adjusting gear of LASER Light Source light beam parameters of the present invention, comprises light source part 1, coupling unit 2, plus lens 3 and light dispersion member 4.
In the present invention, light source part 1 comprises the first light source 11, secondary light source 12 and the 3rd light source 13, first light source 11, secondary light source 12 and the 3rd light source 13 and is respectively used to send the first light beam, the second light beam and the 3rd light beam.First light beam, the second light beam and the 3rd light beam are the laser beam of the specific wavelength produced by the laser array of a laser instrument or multiple laser constitution respectively.According to the change that the final luminous flux exported requires, can increase or reduce the quantity of laser instrument in laser array, thus increase or reduce the total light flux of this laser beam.
In the present invention, coupling unit 2 comprises the first dichroic filter 21 and the second dichroic filter 22.First dichroic filter 21 and the light beam of the second dichroic filter 22 to a certain wavelength have high permeability, have high reflectance to the light beam of another kind of wavelength.The direction of the first dichroic filter 21 is arranged on the angular bisector of the optical axis included angle of the first light beam and the second light beam, by transmission first light beam and reflection the second light beam, by the light path of the second light beam coupling to the first light beam, forms the first coupled light beam.
Similarly, the direction of the second dichroic filter 22 is arranged on the angular bisector of the optical axis included angle of the first coupled light beam and the 3rd light beam, by transmission first coupled light beam and reflection the 3rd light beam, by in the light path of the 3rd light beam coupling to the first coupled light beam, form the second coupled light beam and be projected to plus lens 3.
In the present invention, plus lens 3 is arranged on the optical axis of the second coupled light beam, second coupled light beam is converged to the surface of light dispersion member 4 by plus lens 3, hot spot is formed on light dispersion member 4 surface, this facula area is less than the clear aperture of light dispersion member 4, laser beam simultaneously after plus lens 3 converges meets the requirement of light dispersion member 4 for the convergence angle of incident beam, and the convergence angle of such as incident beam is less than ± scope of 7 °.
In the present invention, light dispersion member 4 is arranged on the back focus place of plus lens 3, and light dispersion member 4 is a scattering sheet, and the plane of incidence of scattering sheet has microstructure, can by the light beam of incidence with the fixing angle of divergence and intensity distributions injection.Light dispersion member 4 consults Fig. 2 and Fig. 3 respectively for the Adjustment Performance of light beam and output beam characteristic, light beam incident at a certain angle by light dispersion member 4 with a fixed angle outgoing, this fixed angle is positioned at ± 12 ° within, and the beam intensity of output beam is better.
The conforming adjusting gear of LASER Light Source light beam parameters of the present invention comprises adjustment component 5 further.Adjustment component 5 is arranged on the rear of light source part 1, and it is injected in coupling unit 2 after expanding laser beam or collimating.
Adjustment component 5 comprises concavees lens 51 and/or convex lens 52.Concavees lens 51 and convex lens 52 are successively set on the optical axis of laser beam, and the laser beam that light source part 1 exports is amassed by the beam cross section of the common expansion of laser light bundle of concavees lens 51 and convex lens 52.Further, these convex lens 52 are the convex lens of falcate, and the laser beam for light source part 1 injection in divergent shape plays collimating effect.
More than main building block and the structure thereof of the conforming adjusting gear of LASER Light Source light beam parameters of the present invention.The invention also discloses the conforming method of adjustment of a kind of LASER Light Source light beam parameters, as shown in Figure 4, it comprises the steps:
Step S1: give off laser beam, laser beam comprises the first light beam, the second light beam and the 3rd light beam;
Step S2: by the first light beam and the second light beam coupling, generate the first coupled light beam;
Step S3: by the first coupled light beam and the 3rd light beam coupling, generate the second coupled light beam;
Step S4: the second coupled light beam is converged to light dispersion member surface;
Step S5: the second coupled light beam penetrates with the fixing angle of divergence by light dispersion member, this fixing angle of divergence is positioned at ± and 12 °.
Wherein, taking a step forward of step S2 comprises: expand laser beam and collimate.
Wherein, the second coupled light beam converges to the clear aperture that the area of hot spot that light dispersion member surface formed is less than light dispersion member.
Wherein, the convergence angle converging to second coupled light beam on light dispersion member surface in step S4 is positioned at ± 7 ° within.
Below in conjunction with a specific embodiment, the principle of work of the conforming adjusting gear of LASER Light Source light beam parameters and function are further described.In the preferred embodiment, adjusting gear of the present invention is applied to being the light source of a high brightness laser projector equipment, the reflection type liquid crystal LCoS chip be used to one piece 0.61 inch throws light on by its output beam, the length of this chip and the ratio of width are 16: 9, i.e. long 13.44mm, wide 7.56mm, input beam angular range is ± 12 °.Therefore, for exceeding this field of illumination or being greater than the beam energy of this angular range, effectively cannot be utilized by this chip.
Light source part 1 in this device comprises three main laser passages: a green laser passage (the first light beam), a blue laser passage (the second light beam) and a red laser passage (the 3rd light beam).Green laser passage then adopts the solid state laser of 532nm as the first light source 11, and blue laser passage and red laser passage adopt the semiconductor laser with smaller size smaller of 450nm wavelength and 638nm wavelength as secondary light source 12 and the 3rd light source 13 respectively.
Due to the difference of laser instrument kind, the beam characteristics that laser instrument goes out, by different, has the light beam of identical convergence angle in order to make each autonomous channel laser instrument by plus lens 3 after being converged, will add an adjustment component 5 after each laser instrument.
According to final total light flux requirement needed for light-emitting window, each laser channeling adopts the laser instrument of some to form array and arranges.In the present embodiment, the first light source 11 adopts the array of 9 green solid-state lasers compositions, and secondary light source 12 adopts the array of 9 blue semiconductor laser compositions, and the 3rd light source 13 adopts the array of 16 red laser diode compositions to arrange.
As shown in Figure 7, the beam arrangement that the green solid-state lasers that in the present embodiment, the first light source 11 adopts sends has the less angle of divergence, about 2mrad; And less beam cross section, about 1mm.For the adjustment component 5 designed by the laser instrument that green channel uses, this group adjustment component 5 has concavees lens 51 and convex lens 52, in the present embodiment, concavees lens 51 are specially a plano-concave lens, convex lens 52 are specially a plano-convex lens, its effect is also be have the minimum angle of divergence and its beam cross section amassed the scope being amplified to 2mm by the beam shaping from green channel outgoing, visible use after laser beam sectional area ratio Use Adjustment parts 5 before light beam be exaggerated at least one times.In the present embodiment, the parameter of plano-concave lens and plano-convex lens is as shown in table 1:
The optical parametric of table 1 plano-concave lens and plano-convex lens
| r(mm) | d(mm) | n |
| 2.13 | 1.10 | 1.5190457 |
| 0.00 | 7.347 | - |
| 0.00 | 3.00 | 1.5190457 |
| 7.85 | - |
In table 1, r is the refraction radius of lens, and d represents each surface of lens arrangement and after it, plane of refraction is along the distance of optical axis position, and n is the refractive index of lens.
As shown in Figure 8, the blue semiconductor laser that secondary light source 12 adopts is that divergent shape exports the second light beam, and blue semiconductor laser has the angle of divergence feature different from aforesaid green solid-state lasers as can be known from Fig. 5, therefore adopt the adjustment component 5 of design in addition.For the semiconductor laser design adjustment component 5 of this angle of divergence characteristic, adjustment component 5 adopts convex lens 52, these convex lens 52 are the convex lens of a falcate, inject after the laser beam datum dispersed in coupling unit 2.Because different passage may adopt different types of light source, luminous situation such as the light distribution form of light source may there are differences, therefore by the adjustment component 5 of each channel setting, the light of the different light intensity distribution that dissimilar light source can be sent is adjusted to unified light distribution.In the present embodiment, the divergent beams of blue channel semiconductor laser are adjusted to collimated light beam by convex lens 52, and the collimated light beam of injection consults Fig. 8.In the present embodiment, the parameter of convex lens 52 is as shown in table 2:
The optical parametric of the convex lens of the above-mentioned falcate of table 2
| r(mm) | d(mm) | n |
| 38.85 | 4.00 | 1.724859 |
| 4.70 | - |
In table 2, r is the refraction radius of lens, and d represents each surface of lens arrangement and after it, plane of refraction is along the distance of optical axis position, and n is the refractive index of lens.
As shown in Figure 9, the red laser diode that the 3rd light source 13 adopts is that divergent shape exports the first light beam, and Fig. 6 shows the angle of divergence characteristic of this red light semiconductor laser.Red laser diode has the angle of divergence feature different from aforesaid green solid-state lasers and blue semiconductor laser, therefore adjustment component 5 adopts convex lens 52, these convex lens 52 are the convex lens of a falcate, are for the semiconductor laser design for this angle of divergence characteristic.The divergent beams of red channel semiconductor laser are adjusted to collimated light beam by these convex lens 52, and the collimated light beam of injection consults Fig. 9.In the present embodiment, the parameter of convex lens 52 is as shown in table 3:
The optical parametric of the convex lens of the above-mentioned falcate of table 3
| r(mm) | d(mm) | n |
| 35.15 | 4.00 | 1.6937783 |
| 4.50 | - | - |
The light beam of three passages is carried out to the first dichroic filter 21 and the second dichroic filter 22 of Space Coupling.First dichroic filter 21 has the high permeability of green wavelength (being particularly for 532nm) and the high reflectance characteristic to blue wavelength (being particularly for 450nm); Second dichroic filter 22 has indigo plant, the high permeability of green wavelength (specifically the light wave of 450nm and 532nm) and the high reflectance to red wavelength (being particularly for 638nm).
Therefore, first dichroic filter 21 and the second dichroic filter 22 can make the space of laser light wave before plus lens 3 of three passages merge into the coupled light beam of a branch of multi-wavelength, and this coupled light beam has the less angle of divergence and the beam cross section of certain limit due to the adjustment component 5 of each passage aforementioned.This coupled light beam by converged to by plus lens 3 light source outlet near scattering sheet 4 on.When coupled light beam is converged to the plane of incidence of this scattering sheet 4, there is a convergence area less than scattering sheet clear aperture, meet the requirement of scattering sheet for incident beam divergence simultaneously, this convergence angle for being less than ± scope of 7 °.The parameter of plus lens 3 is as shown in table 4.
The optical parametric of table 4 plus lens
| r(mm) | d(mm) | n |
| 0.00 | 8.10 | 1.5190457 |
| 105.28 | - | - |
In table 4, r is the refraction radius of plus lens, and d represents each surface of plus lens sequence and after it, plane of refraction is along the distance of optical axis position, and n is the refractive index of lens.
Be the intensity of illumination distribution in converged light exit as shown in Figure 10, converged light concentrate on scattering sheet 4 exit ± 1.5mm within zonule, ensure that outlet light beam has satisfactory beam divergence angle simultaneously, the light beam that the laser array of three passages sends, after plus lens 3, its convergence angle all concentrates on ± 7 ° within, such converging beam parameter, can make to be positioned at ± 12 ° of scopes from the beam divergence angle of follow-up scattering sheet outgoing, this mates with the input light source requirements of the LCoS chip thrown light on by this light source module.
In Figure 11, the part of white represents the large region of illuminance, and the numerical value of image surrounding indicates the incident angle that light beam has when being irradiated to scattering sheet 4 exit portal.According to the LASER Light Source of the varying number that each passage in above-mentioned the present embodiment adopts.The light source of blue channel and green channel is respectively 9 independently arrays of forming of laser instrument, therefore, can see that it forms 9 brighter specks at optical emission exit in fig. 11; Red channel adopt 16 independently laser instrument, the optical emission exit represented by Figure 11 forms 16 darker hot spots.For other embodiment adopting varying number and spread pattern to form light source passage, its concrete intensity of illumination distribution at optical emission exit may be different.
The representative instance that the present embodiment just completes according to core thinking of the present invention and structure.Those skilled in the art completely can be concrete according to other light source requirements, adopt different lens parameters and scattering sheet parameter according to design philosophy of the present invention, thus reach and make full use of light source luminous energy and the object of mating light source output beam parameter.Protection scope of the present invention includes but not limited to the design parameter of the element that the present embodiment is set forth.
Protection content of the present invention is not limited to above embodiment.Under the spirit and scope not deviating from inventive concept, the change that those skilled in the art can expect and advantage are all included in the present invention, and are protection domain with appending claims.
Claims (10)
1. the conforming adjusting gear of LASER Light Source light beam parameters, is characterized in that, comprising: light source part (1), coupling unit (2), plus lens (3) and light dispersion member (4); Wherein,
Described light source part (1) is for giving off laser beam, and described laser beam comprises the first light beam, the second light beam and the 3rd light beam;
Described coupling unit (2) comprises the first dichroic filter (21) and the second dichroic filter (22); Described first dichroic filter (21) is arranged on the angular bisector of angle between described first light beam and described second light beam, for described first light beam and described second light beam coupling are generated the first coupled light beam; Described second dichroic filter (22) is arranged on the angular bisector of angle between described first coupled light beam and described 3rd light beam, for described first coupled light beam and described 3rd light beam coupling are generated the second coupled light beam;
Described plus lens (3) is arranged on the optical axis of described second coupled light beam, for described second coupled light beam is converged at described light dispersion member (4);
Described second coupled light beam penetrates with the fixing angle of divergence by described light dispersion member (4).
2. the conforming adjusting gear of LASER Light Source light beam parameters as claimed in claim 1, it is characterized in that, described second coupled light beam is converged to described light dispersion member (4) surface by described plus lens (3), and makes the area forming hot spot be less than the clear aperture of described light dispersion member (4).
3. the conforming adjusting gear of LASER Light Source light beam parameters as claimed in claim 1, is characterized in that, the convergence angle of described second coupled light beam converged through described plus lens (3) is positioned at ± 7 ° within.
4. the conforming adjusting gear of LASER Light Source light beam parameters as claimed in claim 1, it is characterized in that, the plane of incidence of described light dispersion member (4) is provided with microstructure, described light dispersion member (4) is arranged on the back focus place of described plus lens (3), and the described plane of incidence is right against described plus lens (3).
5. the conforming adjusting gear of LASER Light Source light beam parameters as claimed in claim 1, it is characterized in that, the rear being positioned at described light source part (1) is provided with adjustment component (5) further, and described adjustment component (5) injects described coupling unit (2) after described laser beam being carried out expanding or collimate; Described adjustment component (5) comprises concavees lens (51) and/or convex lens (52).
6. the conforming method of adjustment of LASER Light Source light beam parameters, is characterized in that, comprise the steps:
Step one: give off laser beam, described laser beam comprises the first light beam, the second light beam and the 3rd light beam;
Step 2: by described first light beam and described second light beam coupling, generate the first coupled light beam;
Step 3: by described first coupled light beam and described 3rd light beam coupling, generate the second coupled light beam;
Step 4: described second coupled light beam is converged to light dispersion member surface;
Step 5: described second coupled light beam penetrates with the fixing angle of divergence by described light dispersion member.
7. the conforming method of adjustment of LASER Light Source light beam parameters as claimed in claim 5, it is characterized in that, taking a step forward of step 2 comprises: expand described laser beam and collimate.
8. the conforming method of adjustment of LASER Light Source light beam parameters as claimed in claim 5, is characterized in that, the area that described second coupled light beam converges to the hot spot that light dispersion member surface is formed is less than the clear aperture of described light dispersion member.
9. the conforming method of adjustment of LASER Light Source light beam parameters as claimed in claim 6, is characterized in that, the convergence angle converging to described second coupled light beam on described light dispersion member surface in step 4 is positioned at ± 7 ° within.
10. the conforming method of adjustment of LASER Light Source light beam parameters as claimed in claim 6, is characterized in that, the described fixing angle of divergence is positioned at ± and 12 °.
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| CN201410036364.5A CN104808425A (en) | 2014-01-26 | 2014-01-26 | Laser light source light beam parameter consistency adjusting device and adjusting method thereof |
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| CN201410036364.5A CN104808425A (en) | 2014-01-26 | 2014-01-26 | Laser light source light beam parameter consistency adjusting device and adjusting method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308751A (en) * | 2016-08-23 | 2017-01-11 | 江苏鹰利视医疗器械有限公司 | Device for achieving narrow-band or broad-band spectrum combined lighting and method thereof |
| CN106773487A (en) * | 2017-01-06 | 2017-05-31 | 深圳市中科创激光技术有限公司 | Laser display apparatus |
| CN108415209A (en) * | 2018-04-03 | 2018-08-17 | Oppo广东移动通信有限公司 | Project structured light module, camera assembly and electronic device |
| US10571791B2 (en) | 2018-04-25 | 2020-02-25 | Delta Electronics, Inc. | Projection system and optimizing method thereof |
| CN111596515A (en) * | 2019-02-20 | 2020-08-28 | 青岛海信激光显示股份有限公司 | Laser light source and laser projector |
| CN112114480A (en) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2021197099A1 (en) * | 2020-03-31 | 2021-10-07 | 青岛海信激光显示股份有限公司 | Laser projection device |
| US11570411B2 (en) | 2019-01-10 | 2023-01-31 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
| US11592145B2 (en) | 2019-01-10 | 2023-02-28 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955343A (en) * | 2011-08-22 | 2013-03-06 | 索尼公司 | Illumination device and display device |
| US20130077061A1 (en) * | 2011-09-26 | 2013-03-28 | Sony Corporation | Illuminator and display unit |
| CN103376636A (en) * | 2012-04-26 | 2013-10-30 | 索尼公司 | Display unit and illumination device |
| CN103454845A (en) * | 2012-06-04 | 2013-12-18 | 索尼公司 | Illumination unit, projection display unit, and direct-view display unit |
-
2014
- 2014-01-26 CN CN201410036364.5A patent/CN104808425A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955343A (en) * | 2011-08-22 | 2013-03-06 | 索尼公司 | Illumination device and display device |
| US20130077061A1 (en) * | 2011-09-26 | 2013-03-28 | Sony Corporation | Illuminator and display unit |
| CN103376636A (en) * | 2012-04-26 | 2013-10-30 | 索尼公司 | Display unit and illumination device |
| CN103454845A (en) * | 2012-06-04 | 2013-12-18 | 索尼公司 | Illumination unit, projection display unit, and direct-view display unit |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106308751A (en) * | 2016-08-23 | 2017-01-11 | 江苏鹰利视医疗器械有限公司 | Device for achieving narrow-band or broad-band spectrum combined lighting and method thereof |
| CN106773487A (en) * | 2017-01-06 | 2017-05-31 | 深圳市中科创激光技术有限公司 | Laser display apparatus |
| CN106773487B (en) * | 2017-01-06 | 2018-11-09 | 深圳市中科创激光技术有限公司 | Laser display apparatus |
| CN108415209A (en) * | 2018-04-03 | 2018-08-17 | Oppo广东移动通信有限公司 | Project structured light module, camera assembly and electronic device |
| CN108415209B (en) * | 2018-04-03 | 2020-09-25 | Oppo广东移动通信有限公司 | Structured light projection module, camera shooting assembly and electronic device |
| US10571791B2 (en) | 2018-04-25 | 2020-02-25 | Delta Electronics, Inc. | Projection system and optimizing method thereof |
| US11570411B2 (en) | 2019-01-10 | 2023-01-31 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
| US11592145B2 (en) | 2019-01-10 | 2023-02-28 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
| CN111596515A (en) * | 2019-02-20 | 2020-08-28 | 青岛海信激光显示股份有限公司 | Laser light source and laser projector |
| CN112114480A (en) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2021197099A1 (en) * | 2020-03-31 | 2021-10-07 | 青岛海信激光显示股份有限公司 | Laser projection device |
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Application publication date: 20150729 |