CN105404087A - Fluorescence conversion system and projection light source - Google Patents
Fluorescence conversion system and projection light source Download PDFInfo
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- CN105404087A CN105404087A CN201511003035.1A CN201511003035A CN105404087A CN 105404087 A CN105404087 A CN 105404087A CN 201511003035 A CN201511003035 A CN 201511003035A CN 105404087 A CN105404087 A CN 105404087A
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- wavelength convert
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- converting system
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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
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
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- Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention discloses a fluorescence conversion system. The fluorescence conversion system receives the irradiation of a laser beam and comprises a wavelength conversion unit and a lens assembly; and the fluorescence conversion system further comprises a lens fixing base with an adjustable position along an axial lead direction of the wavelength conversion unit. In the fluorescence conversion system, when a relative position between the lens assembly and the wavelength conversion unit needs to be adjusted, the position of the lens fixing base relative to the wavelength conversion unit is directly adjusted without adjusting the wavelength conversion unit, so that the adjustment difficulty is reduced, the lenses use the same lens fixing base, therefore the precision of the relative positions of the lenses in the lens assembly can be guaranteed to conveniently adjust the relative position of the wavelength conversion unit and the lens assembly, and the adjustment efficiency of the fluorescence conversion system is improved.
Description
Technical field
The present invention relates to projection display technique field, particularly a kind of fluorescence converting system of projection light source and projection light source.
Background technology
In projection display technique field, LASER Light Source, as a kind of solid state light emitter, has highlighted, and efficiently, the life-span is normal, and the series of advantages such as colour gamut is good, environmental protection become the selection of emerging projection light source.Meanwhile, along with Projection Display product moves towards family gradually from meeting room, laser projection series products also becomes a kind of new consumption electronic product and is subject to consumers welcomed.
In prior art, a kind of structure of laser projection light source and light path principle are as shown in Figure 1, light source comprises laser instrument 11, Lens assembly 12 and wavelength convert parts 13, comprise reflecting part and transmissive portions, wherein reflecting part is coated with fluorescent powder, and reflection process is carried out in the front of wavelength convert parts 13; According to optical path requirements; wavelength convert parts 13 above and/or usually also will arrange Lens assembly below; for the laser to incidence, and the laser of outgoing and fluorescence carry out the light process such as convergence collimation, wavelength convert parts and the composition of the Lens assembly near it fluorescence converting system.In Fig. 1 example, Lens assembly comprises the first lens set 121 between wavelength convert parts 13 and laser array 11, be positioned at the second lens set 122 that wavelength convert parts 13 deviate from laser array 11 side, wherein, above-mentioned first lens set 121 comprises two lens to have the double action focusing on and collimate, when laser beam focusing being made to become to meet the hot spot of fluorescent powder excitation energy density requirements after laser light first lens set 121 that laser array 11 is launched, when on the reflecting part that laser facula is radiated at wavelength convert parts 13, hot spot can excite the fluorescent powder that reflecting part applies, and then inspire the fluorescence of respective color, and the fluorescence of being excited is converted into parallel light beam penetrates with regard to having carried out collimating through during the first lens set 121 after the first lens set 121 by the reflection of wavelength convert parts substrate surface.And when laser facula is radiated at the transmissive portions position of wavelength convert parts 13, allow hot spot from wavelength convert parts 13 transmissive, and linearly propagate due to light, the light that laser array 11 is launched also can be dispersed after the first lens set 121 focuses on, but the light dispersed also needs again to collimate, finally with parallel beam propagation through the second lens set 122 when arriving the back side of wavelength convert parts 13.
In actual applications, the best light inlet reached to make fluorescence converting system and light-out effect, the front and back position adjusting wavelength convert parts is needed to achieve the goal, such as, ensure that wavelength convert parts front receives laser beam incident spot little as far as possible, or the lens combination at the wavelength convert parts back side will be avoided being positioned near the focal plane of lens combination above, reduces control of dust effect.In prior art, wavelength convert parts are in course of adjustment and need remain vertical state, can not run-off the straight otherwise can not ensure that laser facula is evenly incident on surface, and wavelength convert parts volume is larger, need reserved larger adjustment space, and wavelength convert parts peripheral parts is more, such as sensor, heating radiator, CD-ROM drive motor etc., the change that also may can bring peripheral parts position is moved in the position of wavelength convert parts, visible, in prior art, in fluorescence converting system, the adjustment mode of light path requires high to operating personnel, and regulated efficiency is low.
Summary of the invention
The invention provides a kind of fluorescence converting system and projection light source, this fluorescence converting system can adjust Lens assembly around wavelength convert parts and substitute and adjust the position of Wavelength converter, and to Lens assembly in the precision to the relative position ensured when adjusting between Lens assembly and wavelength convert parts in Lens assembly between each eyeglass, reduce adjustment difficulty, be convenient to realize the adjustment to the relative position between wavelength convert parts and Lens assembly, improve the regulated efficiency of fluorescence converting system.
For achieving the above object, the invention provides following technical scheme:
A kind of fluorescence converting system, receives the laser beam irradiation of at least one color, comprises wavelength convert parts and is positioned at the forward and backward optical mirror slip assembly of wavelength convert parts; Wavelength convert parts comprise fluorescence transition material, and for being excited to send the fluorescence of at least one color, optical mirror slip assembly comprises multiple optical mirror slip; It is characterized in that, also comprise along wavelength convert parts direction of axis line, position adjustably eyeglass fixed pedestal, wherein, the eyeglass fixed pedestal axial line bearing of trend be provided with along wavelength convert parts runs through the light hole of eyeglass fixed pedestal, each eyeglass in optical mirror slip assembly is fixed in light hole, and eyeglass fixed pedestal is provided with socket, a part for wavelength convert parts stretches into eyeglass fixed pedestal by socket;
Preferably, eyeglass fixed pedestal is fixed on installing plate, and wherein, eyeglass fixed pedestal is provided with multiple threaded hole, and installing plate is provided with and threaded hole long lumbar hole one to one, and the axis parallel of the length direction of each long lumbar hole and wavelength convert parts; Every a pair mutually corresponding threaded hole and long lumbar hole place are provided with a trip bolt, the screw rod of trip bolt run through long lumbar hole and with threaded hole threaded engagement;
Preferably, the surface that eyeglass fixed pedestal coordinates with installing plate is formed with at least two reference columns, and installing plate is provided with and reference column locating slot one to one, the length direction of each locating slot and the axis parallel of wavelength convert parts; In every a pair mutually corresponding reference column and locating slot, reference column adjustably stretches in locating slot along position, positioning groove length direction;
Preferably, long lumbar hole is two and locating slot is two, and the line between long lumbar hole and locating slot is quadrilateral, and is alternately distributed along the line direction long lumbar hole of quadrilateral and locating slot;
Preferably, Lens assembly comprises the first lens set being positioned at wavelength convert parts front and the second lens set being positioned at the wavelength convert parts back side;
Preferably, wavelength convert parts are reflective fluorescent wheel, and the first lens set at least comprises the first spherical lens, and the second lens set comprises the second spherical lens and the second non-spherical lens between the second spherical lens and wavelength convert parts;
Preferably, the first lens set also comprises the first non-spherical lens between the first spherical lens and wavelength convert parts;
Preferably, wavelength convert parts are transmission-type fluorescent wheel, and the first lens set comprises the first spherical lens and the first diffusion sheet, and the second lens set comprises the second spherical lens and the second non-spherical lens between the second spherical lens and wavelength convert parts;
Preferably, the first diffusion sheet is static or motion state;
Preferably, also comprise adjustment handle, installing plate is provided with the via hole for regulating handle to pass, handle is regulated adjustably to be run through the panel beating thickness of installing plate along the axial line bearing of trend of wavelength convert parts by via hole, and regulate handle one end stretched into inside installing plate to be fixed on eyeglass fixed pedestal, and the other end is positioned at outside installing plate;
Present invention also offers a kind of projection light source, comprise laser instrument, send the laser beam of at least one color, and above-mentioned arbitrary fluorescence converting system, for receiving the laser beam of described at least one color, be excited to send fluorescence.
Embodiment of the present invention technical scheme at least has following beneficial effect and advantage:
The fluorescence converting system that the embodiment of the present invention provides and projection light source, by along wavelength convert parts direction of axis line position adjustably eyeglass fixed pedestal, when needing the relative position between adjusting mirror chip module and wavelength convert parts, direct adjustment eyeglass fixed pedestal is relative to the position of wavelength convert parts, do not need adjustment wavelength convert parts, reduce adjustment difficulty, and each eyeglass is same with an eyeglass fixed pedestal, when adjusting Lens assembly, relative position between each Lens assembly not easily changes, and then the precision of the relative position in Lens assembly between each eyeglass can be ensured, be convenient to the adjustment of the relative position realized between wavelength convert parts and Lens assembly, improve the regulated efficiency of fluorescence converting system.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of laser projection light source in prior art;
The fluorescence conversion system structure schematic diagram that Fig. 2 provides for the embodiment of the present invention one;
Secure fit structural scheme of mechanism in the fluorescence converting system that Fig. 3 provides for the embodiment of the present invention one;
The cut-open view of the fit structure in the fluorescence converting system that Fig. 4 A provides for the embodiment of the present invention between eyeglass fixed pedestal and Lens assembly and wavelength convert parts;
The cut-open view of the fit structure in the another fluorescence converting system that Fig. 4 B provides for the embodiment of the present invention between eyeglass fixed pedestal and Lens assembly and wavelength convert parts;
A kind of structural representation of eyeglass fixed pedestal in the fluorescence converting system that Fig. 5 provides for the embodiment of the present invention;
The another kind of structural representation of eyeglass fixed pedestal in the fluorescence converting system that Fig. 6 provides for the embodiment of the present invention;
The installing plate inside of the fluorescence converting system that Fig. 7 provides for the embodiment of the present invention and the structural representation of eyeglass fixed pedestal matching part;
Fig. 8 is the fit structure schematic diagram regulated in fluorescence converting system provided by the invention between handle and installing plate.
Fig. 9 is projection light source configuration diagram in inventive embodiments two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Please refer to Fig. 2 and Fig. 4 A, sectional view shown in Fig. 4 B, the fluorescence converting system 2 that the embodiment of the present invention one provides, receives the irradiation of the laser beam of at least one color, comprises wavelength convert parts 13, comprise fluorescence transition material, can Stimulated Light excite generation fluorescence, Lens assembly 12, Lens assembly 12 comprises multiple optical mirror slip, and, along wavelength convert parts 13 direction of axis line, position adjustably eyeglass fixed pedestal 2.Wherein, eyeglass fixed pedestal 2 be provided with along wavelength convert parts 30 axial line bearing of trend, run through the light hole 22 of eyeglass fixed pedestal 2, each eyeglass in Lens assembly 12 is fixed in light hole 22, and eyeglass fixed pedestal 2 is provided with socket 21, a part for wavelength convert parts 13 is stretched in the light hole 22 of eyeglass fixed pedestal 2 by socket 21.Wherein, light hole 22 is multiple apertures running through window composition, and multiple window that runs through is respectively used to install multiple optical mirror slip.
Particularly, in the fluorescence converting system of the embodiment of the present invention, eyeglass fixed pedestal 2 is fixed on an installing plate, and this installing plate can be stationary housing or the back up pad of fluorescence converting system.
See Fig. 3, the fluorescence converting system that the embodiment of the present invention provides is fixed on installing plate 3, particularly, the position, direction that eyeglass fixed pedestal 2 can extend along wavelength convert parts 13 axial line is adjustably installed on the inner side of installing plate 3, and, along the direction that wavelength convert parts 13 axial line extends, laser beam irradiates, a part for wavelength convert parts 13 is extend in light hole 22 by the socket 21 that eyeglass fixed pedestal 2 is arranged and coordinates with the eyeglass be fixed in light hole, thus laser beam can be irradiated in the light hole 22 of eyeglass fixed pedestal 2, and be positioned at the part surface of wavelength convert parts 13 of socket 21, when needing the relative position between adjusting mirror chip module 12 and wavelength convert parts 13, direct adjustment eyeglass fixed pedestal 2 is relative to the position of wavelength convert parts 13, do not need adjustment wavelength convert parts, do not need to regulate separately each eyeglass in Lens assembly 12, reduce adjustment difficulty, and each eyeglass is same with an eyeglass fixed pedestal 2, when adjusting Lens assembly, relative position between each Lens assembly not easily changes, and then the precision of the relative position in Lens assembly 2 between each eyeglass can be ensured, be convenient to the adjustment of the relative position realized between wavelength convert parts 13 and Lens assembly 2, improve the regulated efficiency of fluorescence converting system.
In a kind of preferred implementation, above-mentioned eyeglass fixed pedestal 2 can be connected by trip bolt with between installing plate 3, wherein, position adjustments is carried out, in above-mentioned fluorescence converting system in the direction in order to make eyeglass fixed pedestal 2 can extend along wavelength convert parts 13 axial line relative to installing plate 3:
As shown in Fig. 5, Fig. 6 and Fig. 8, eyeglass fixed pedestal 2 is provided with multiple threaded hole 23, and installing plate 3 is provided with and threaded hole 23 long lumbar hole 32 one to one, and the axis parallel of the length direction of each long lumbar hole 32 and wavelength convert parts 13; Every a pair mutually corresponding threaded hole 23 is provided with a trip bolt 321 with long lumbar hole 32 place, the screw rod of trip bolt 321 run through long lumbar hole 32 and with threaded hole 23 threaded engagement.When needing the position regulating eyeglass fixed pedestal 2, unscrew each trip bolt 321, then along the position of the direction of axis line adjustment eyeglass fixed pedestal 2 of wavelength convert parts 13, now, the screw rod of trip bolt 321 can move along the length direction of long lumbar hole 32 in long lumbar hole 32, when eyeglass fixed pedestal 2 moves into place, screw trip bolt 321.
Certainly, for the ease of eyeglass fixed pedestal 2 to be installed on installing plate 3 and to improve when eyeglass fixed pedestal 2 carries out position adjustments relative to installing plate 3, the moving direction of eyeglass fixed pedestal 2 relative to installing plate 3 is limited, particularly, as shown in Figure 5, Figure 7, the surface that eyeglass fixed pedestal 2 coordinates with installing plate 3 is formed with at least two reference columns 24, installing plate 3 is provided with and reference column 24 locating slot 31 one to one, the length direction of each locating slot 31 and the axis parallel of wavelength convert parts 13; Every a pair mutual corresponding reference column 24 is with locating slot 31, and reference column 24 adjustably stretches in locating slot 31 along locating slot 31 lengthwise location.
More specifically, the long lumbar hole 32 that installing plate 3 is arranged is two and locating slot 31 is two, and the line between long lumbar hole 32 and locating slot 31 is quadrilateral, and is alternately distributed along the line direction long lumbar hole 32 of quadrilateral and locating slot 31.
In above-mentioned fluorescence converting system, wavelength convert parts 13 particular type can have multiple choices, and accordingly, in Lens assembly 12, the set-up mode of eyeglass also can have different set-up modes according to the dissimilar of wavelength convert parts 13, as:
Mode one, above-mentioned wavelength convert parts 13 are reflective wavelength convert parts, wavelength convert parts 13 comprise fluorescence portion and transmissive portions, fluorescence portion comprises fluorescent powder, fluorescence is sent for receiving laser irradiation, wherein, fluorescence can be reflected by the mirror-surface aluminum base board part of wavelength convert parts, thus from the front outgoing of wavelength convert parts 13.Transmissive portions is used for transmission laser light beam, and as shown in Fig. 4 sectional view, Lens assembly 12 comprises the first lens set being positioned at wavelength convert parts 12 front and the second lens set being positioned at the wavelength convert parts back side.First lens set can be assembled before being irradiated to wavelength convert parts 13 laser beam, form the hot spot of less high-energy-density, and can the fluorescence of generation be excited the fluorescent powder on wavelength convert parts 13 to collimate, the fluorescent light beam of the distribution in lambert's body is become approximately parallel beam exit; Second lens set can collimate the laser beam through wavelength convert parts 13 transmissive portions.
On the basis of aforesaid way one, in Lens assembly 12, first lens set can comprise the first spherical lens and the first non-spherical lens between the first spherical lens and wavelength convert parts, and the second lens set comprises the second spherical lens and the second non-spherical lens between the second spherical lens and wavelength convert parts.
Certainly, the first lens set can also only select a slice non-spherical lens according to the light processing power of eyeglass, and the second lens set also can only select a slice non-spherical lens according to the light processing power of eyeglass, repeats no more here.
Mode two, above-mentioned wavelength convert parts 13 can also be transmission-type fluorescent wheel, first lens set comprises a slice spherical lens, for assembling the laser beam on incident wavelength converting member 13 surface, to form less hot spot, the second lens set comprises the second spherical lens and the second non-spherical lens between the second spherical lens and wavelength convert parts 13.
In the manner two, wavelength convert parts 13 comprise fluorescence portion and transmissive portions equally, with fluorescent wheel reflective in mode one unlike, fluorescence can by the transparency carrier transmission of wavelength convert parts 13, thus can with the laser beam transmitted through transmissive portions all along wavelength convert parts 13 back side outgoing, thus the second lens set being positioned at wavelength convert parts 13 back side can collimate the laser of transmission and fluorescence simultaneously.
Further, in order to improve the diffusion homogenization of the laser beam to incidence, first lens set can comprise the first spherical lens and the first diffusion sheet, wherein, first diffusion sheet can be static setting, also can be motion state, the diffusion sheet of motion can improve the dissipation spot effect to laser beam while to laser beam homogenize.As shown in Figure 4 B, a slice convex lens sheet in Lens assembly 12 substitute by a slice diffusion sheet.
Preferably, when the first Lens assembly comprises the first spherical lens and the first diffusion sheet, the laser beam of incident wavelength converting member 13 can be a kind of color, such as blue laser, also can be two kinds of colors, such as blue laser and red laser.Blue laser wavelengths is shorter, and as fluorescent excitation light source, red laser is gone out by the transmissive portions transmission of wavelength convert parts 13.Blue laser and red laser, by the laser component of the bright front end of sequential electricity, can be incident to the front of wavelength convert parts 13 successively by the first lens set.Because the speckle sensitivity of human eye to red laser is higher, therefore preferably the first diffusion sheet is the diffusion sheet of motion, can carry out dissipation spot, and mention the double action of homogenize and dissipation spot to blue laser simultaneously to red laser.
On the basis of the respective embodiments described above, for the ease of realizing, the position of eyeglass fixed pedestal 2 is regulated, as shown in Fig. 6, Fig. 7 and Fig. 8, above-mentioned fluorescence converting system also comprises adjustment handle 25, installing plate 3 is provided with the via hole 33 for regulating handle 25 to pass, handle 25 is regulated adjustably to be run through the panel beating thickness of installing plate 3 along the axial line bearing of trend of wavelength convert parts 13 by via hole 33, and regulate handle 25 one end stretched into inside installing plate 3 to be fixed on eyeglass fixed pedestal 2, and the other end is positioned at outside installing plate 3, as shown in Figure 6 and Figure 8.
In the fluorescence converting system of said structure, operator directly can regulate in the position of the outside of installing plate 3 to eyeglass fixed pedestal 2 by regulating handle 25, and then the adjustment realized Lens assembly 12 position, without the need to opening installation plate 3, be more convenient to realize the adjustment to relative position between Lens assembly 12 and wavelength convert parts 13.
Embodiment two
The embodiment of the present invention two provides a kind of projection light source, comprises laser instrument, for sending the laser of at least one color, and the fluorescence converting system of multiple embodiment in above-described embodiment one.
Particularly, be illustrated in figure 9 the external structure schematic diagram of a projection light source, projection light source comprises laser instrument 41, fluorescence converting system 42.Wherein, laser instrument 41 and fluorescence converting system 42 are all wrapped up by laser cover body 43.As shown in embodiment one, laser instrument 41 can send a kind of color, or the laser of two kinds of colors, and fluorescence converting system can comprise a kind of fluorescent powder of color or the fluorescent powder of two kinds of colors, send the fluorescence of at least one color, to form three primary colours or four primary light.
In the embodiment of the present invention two, laser instrument and fluorescence converting system are all positioned at housing 43, and this housing is seal casinghousing, sealing housing is used for laser instrument, other eyeglasses in fluorescence converting system and light path carry out dust-proof, thus alleviate light source light decay, improve the serviceable life of projection light source.Particularly, the eyeglass fixed pedestal of fluorescence converting system 42 is fixed on housing 43, perforate on housing 43, and the adjustment handle of eyeglass fixed pedestal is positioned at the outside of the tapping of housing 43, thus when not needing dismounting housing 3, can regulate eyeglass fixed pedestal, thus regulate the relative position between fluorescence converting system medium wavelength converting member and Lens assembly.
The projection light source that the invention process two provides, by seal casinghousing by laser instrument and the sealing of fluorescence converting system, on seal casinghousing, perforate is used for the adjustment handle of eyeglass fixed pedestal in fluorescence converting system to expose, when needing the relative position between adjusting mirror chip module and wavelength convert parts, directly regulate eyeglass fixed pedestal relative to the position of wavelength convert parts from outside, do not need adjustment wavelength convert parts, reduce adjustment difficulty, and each eyeglass is same with an eyeglass fixed pedestal, when adjusting Lens assembly, relative position between each Lens assembly not easily changes, and then the precision of the relative position in Lens assembly between each eyeglass can be ensured, be convenient to the adjustment of the relative position realized between wavelength convert parts and Lens assembly, improve the regulated efficiency of fluorescence converting system.
Obviously, those skilled in the art can carry out various change and modification to the embodiment of the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (11)
1. a fluorescence converting system, receives the laser beam irradiation of at least one color, comprises wavelength convert parts and is positioned at the forward and backward optical mirror slip assembly of described wavelength convert parts; Described wavelength convert parts comprise fluorescence transition material, for being excited to send the fluorescence of at least one color; Described optical mirror slip assembly comprises multiple optical mirror slip; It is characterized in that, also comprise along described wavelength convert parts direction of axis line, position adjustably eyeglass fixed pedestal, wherein, the described eyeglass fixed pedestal axial line bearing of trend be provided with along described wavelength convert parts runs through the light hole of described eyeglass fixed pedestal, each described eyeglass in described optical mirror slip assembly is fixed in described light hole, and described eyeglass fixed pedestal is provided with socket, a part for described wavelength convert parts is stretched in described light hole by described socket.
2. fluorescence converting system according to claim 1, it is characterized in that, described eyeglass fixed pedestal is fixed on installing plate, wherein, described eyeglass fixed pedestal is provided with multiple threaded hole, described installing plate is provided with and described threaded hole long lumbar hole one to one, and the axis parallel of the length direction of long lumbar hole described in each and described wavelength convert parts; Every a pair mutually corresponding threaded hole and long lumbar hole place are provided with a trip bolt, the screw rod of described trip bolt run through described long lumbar hole and with described threaded hole threaded engagement.
3. fluorescence converting system according to claim 2, it is characterized in that, the surface that described eyeglass fixed pedestal coordinates with described installing plate is formed with at least two reference columns, described installing plate is provided with and described reference column locating slot one to one, the length direction of locating slot described in each and the axis parallel of described wavelength convert parts; In every a pair mutually corresponding reference column and locating slot, described reference column adjustably stretches in described locating slot along position, described positioning groove length direction.
4. fluorescence converting system according to claim 3, it is characterized in that, described long lumbar hole is two and described locating slot is two, and the line between described long lumbar hole and described locating slot is quadrilateral, and along described quadrilateral line direction described in long lumbar hole and described locating slot be alternately distributed.
5. fluorescence converting system according to claim 1, is characterized in that, described Lens assembly comprises the first lens set being positioned at described wavelength convert parts front and the second lens set being positioned at the described wavelength convert parts back side.
6. fluorescence converting system according to claim 5, it is characterized in that, described wavelength convert parts are reflective fluorescent wheel, described first lens set at least comprises the first spherical lens, and described second lens set comprises the second spherical lens and the second non-spherical lens between described second spherical lens and described wavelength convert parts.
7. fluorescence converting system according to claim 6, is characterized in that, described first lens set also comprises the first non-spherical lens between described first spherical lens and described wavelength convert parts.
8. fluorescence converting system according to claim 5, it is characterized in that, described wavelength convert parts are transmission-type fluorescent wheel, described first lens set comprises the first spherical lens and the first diffusion sheet, and described second lens set comprises the second spherical lens and the second non-spherical lens between described second spherical lens and described wavelength convert parts.
9. fluorescence converting system according to claim 8, is characterized in that, described first diffusion sheet is static or motion state.
10. the fluorescence converting system according to any one of claim 1-9, it is characterized in that, also comprise adjustment handle, described installing plate is provided with the via hole passed for described adjustment handle, described adjustment handle adjustably runs through the panel beating thickness of described installing plate along the axial line bearing of trend of described wavelength convert parts by described via hole, and described eyeglass fixed pedestal is fixed in described adjustment handle one end stretched into inside described installing plate, and the other end is positioned at outside described installing plate.
11. 1 kinds of projection light sources, comprise laser instrument, send the laser beam of at least one color, and fluorescence converting system, for receiving the laser beam of described at least one color, send fluorescence, it is characterized in that, comprise the fluorescence converting system as described in any one of claim 1-9.
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| TWI767947B (en) * | 2017-10-17 | 2022-06-21 | 揚明光學股份有限公司 | Light path adjustment mechanism and fabrication method thereof |
| CN110568708A (en) * | 2019-09-11 | 2019-12-13 | 青岛海信激光显示股份有限公司 | projection device and light source |
| CN110568708B (en) * | 2019-09-11 | 2021-12-14 | 青岛海信激光显示股份有限公司 | Projection device and light source |
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Effective date of registration: 20200821 Address after: 266555 Qian WAN port road, Huangdao District, Qingdao, Shandong Province, No. 218 Patentee after: Qingdao Hisense Laser Display Co.,Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE Co.,Ltd. |