CN205982969U - Light source device and projecting system - Google Patents
Light source device and projecting system Download PDFInfo
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- CN205982969U CN205982969U CN201620872559.8U CN201620872559U CN205982969U CN 205982969 U CN205982969 U CN 205982969U CN 201620872559 U CN201620872559 U CN 201620872559U CN 205982969 U CN205982969 U CN 205982969U
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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
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Abstract
The utility model relates to a light source device and projecting system, the light source device includes excitation light source, supplementary light source, wavelength converters and regional beam splitting device, regional beam splitting device includes first region and second area. Excitation light source sends the exciting light, first regional the receipt excitation light source, wavelength converters will the first portion exciting light that first region provided converts into and receives laser and incite somebody to action the second portion exciting light reflection that first region provided extremely first region with the second area, first region with the second area will provided to an optical channel by laser, the second area still will the second portion exciting light provide to go out the optical channel, supplementary light source is used for sending additional light, first region and second area are received it will to supply light it provides to supply light go out the optical channel.
Description
Technical field
This utility model is related to a kind of light supply apparatuses and optical projection system.
Background technology
At present, all start increasingly to be widely applied LASER Light Source in projection and lighting field, close due to having energy
Degree is high, the little advantage of etendue, and in high-luminance light source domain, LASER Light Source has gradually replaced bulb and LED light source.And
Among these, excite yellow fluorescent powder to produce the light supply apparatuses of white light using blue laser as excitation source, with its light efficiency high,
Good stability, low cost and other advantages become the main flow of application.
Refer to Fig. 1, Fig. 1 is a kind of light channel structure schematic diagram of prior art white light source device 100.This light supply apparatus
100 have in the form of blue light+gold-tinted two-way actinic light, it include excitation source 101,107, relay lenss 102,108, receive
Collection lens 104,110, indigo plant anti-yellow diaphragm 103,111, Wavelength converter 105, diffusion sheet 109 and reflecting mirror 106 thoroughly.
Described excitation source 101 sends the first blue excitation light, and described first blue excitation light is sequentially via described relaying
The anti-yellow diaphragm 103 of lens 102, described indigo plant, described collecting lens are imaged onto described Wavelength converter 105.Described wavelength turns
Changing device 105 is the reflective yellow fluorescent powder colour wheel of rotation, and it is excited yellow Stimulated Light by described first blue excitation light.Institute
State and pass through described collecting lens 104 after yellow Stimulated Light is reflected and reflected at the anti-yellow diaphragm 103 of described indigo plant, and passing
During broadcasting after the reflection of described reflecting mirror 106, reach at the anti-yellow diaphragm 111 of described indigo plant.Described excitation source 107 sends
Two blue excitation light, described second blue excitation light converges at described diffusion sheet 109 through described relay lenss 108, and described
Two blue excitation light are scattered outgoing after rear eliminating coherence is collected through described collecting lens 110, reach the anti-yellow diaphragm 111 of described indigo plant
Place.Described yellow Stimulated Light and described second blue excitation light closing light at the anti-yellow diaphragm 111 of described indigo plant, forms white light and goes out
Penetrate.
This light supply apparatus 100 adopts two independent light paths of blue light+gold-tinted, and final closing light is preferably white so as to obtain
Light, but system is excessively complicated, and volume is big, and high cost is difficult to make miniaturization.
Refer to Fig. 2, Fig. 2 is the light channel structure schematic diagram of another kind of prior art white light source device 200.Described light source
Device 200 includes excitation source 201, light-dividing device 202, collecting lens 203,205, scattering powder piece 204 and Wavelength converter
206.Described excitation source 201 sends blue excitation light, described light-dividing device 202, and a part of blue excitation light is reflected, described
Part blue excitation light incides on described scattering powder piece 204 after collecting lens 203 collection, is scattered further and reflects
Collimate outgoing by collecting lens 203.The transmission at described light-dividing device 202 of another part blue excitation light, described another portion
Point blue excitation light incides on the Wavelength converter 206 with yellow fluorescent powder after collecting lens 205 collection, excites
Yellow fluorescent powder produces yellow Stimulated Light, and described yellow Stimulated Light collimates outgoing through collecting lens 205.The partly blue of collimation is swashed
Light and yellow Stimulated Light closing light at described light-dividing device 202, form white light beam.
However, in described light supply apparatuses 200, according to the blue light in white light and gold-tinted ratio requirement, typically in described light splitting
At device 202, the blue excitation light of reflection is 15%, and transmission proportion is 85%, then reflect through described scattering powder piece 204
In part blue excitation light, there is 15% meeting reflection loss at described light-dividing device 202.Meanwhile, in described Wavelength converter
At 206, there is quite a few blue excitation light not absorbed, incide at described light-dividing device 202, therein 85% can transmission
Loss, therefore, at described light-dividing device 202, the blue light of loss is more, leads to the light efficiency of system not high enough.Equally, adopting
The framework of above-mentioned Fig. 1 and Fig. 2 carries out closing light but sends non-white light（As other color of light such as orange, blueness）Light supply apparatuses same
There is also the problem that structure is complex, light efficiency is relatively low.
Utility model content
For the solution technical problem that prior art light source apparatus structure is complex, light efficiency is relatively low it is necessary to provide a kind of
The light supply apparatuses that structure is relatively simple, light efficiency is higher.
Also it is necessary to provide a kind of optical projection system using above-mentioned light supply apparatuses.
A kind of light supply apparatuses, it includes excitation source, supplements light source, Wavelength converter and region light-dividing device, described
Region light-dividing device includes first area and second area, wherein：Described excitation source is used for sending exciting light, described firstth area
Domain is used for receiving the exciting light of described excitation source offer and providing Wavelength converter by described exciting light, and described wavelength turns
Changing device be used for by described first area provide Part I exciting light be converted to Stimulated Light, and by described Stimulated Light provide to
Described first area is additionally operable to described first area with least one region in described second area, described Wavelength converter
The Part II exciting light providing reflexes at least one of described first area and described second area region, and described first
At least one of region and described second area region is additionally operable to provide described Stimulated Light to going out optical channel, described secondth area
Domain be additionally operable to by described Part II exciting light provide to described go out optical channel；And described supplementary light source is used for sending supplementary light,
At least one of described first area and second area region is additionally operable to receive the supplementary light of described supplementary light source offer and incite somebody to action
Described supplementary light provide described go out optical channel.
In one embodiment, described first area is surrounded by described second area, and described first area is located at institute
State the middle position of second area.
In one embodiment, described exciting light is blue excitation light, and described Wavelength converter includes yellow fluorescence
Material, described Stimulated Light is yellow Stimulated Light, and described supplementary light is blue supplementary light.
In one embodiment, blue excitation light described in the transmission of described first area and described blue supplementary light and anti-
Penetrate described yellow Stimulated Light, blue supplementary light described in described second area transmission simultaneously reflects described yellow Stimulated Light and described blueness
Exciting light.
In one embodiment, described blue excitation light and described blue supplementary light and thoroughly are reflected in described first area
Penetrate described yellow Stimulated Light, blue excitation light described in described second area transmission, reflect described in described blue supplementary light transmission
Yellow Stimulated Light.
In one embodiment, described excitation source includes blue semiconductor laser diode, described blue excitation light
For blue laser, described supplementary light source includes blue LED, and described blue LED sends described blue supplementary
Light.
In one embodiment, described blue excitation light and the wave-length coverage of described blue supplementary light do not overlap.
In one embodiment, the wavelength of described blue excitation light is less than 450nm, and the wavelength of described supplementary light is more than
450nm and be less than 500nm.
In one embodiment, described first area transmission peak wavelength is less than or equal to the light of 500nm, described firstth area
Domain reflection wavelength is more than the light of 500nm, and described second area transmission peak wavelength is more than 450nm and is less than the light of 500nm, described
Second area reflection wavelength is more than 500nm and wavelength is less than the light of 450nm.
In one embodiment, described first area reflection wavelength is less than or equal to the light of 500nm, described firstth area
Domain transmission peak wavelength is more than the light of 500nm, and described second area transmission peak wavelength is more than 500nm and wavelength is less than the light of 450nm
Line, described second area reflection wavelength is more than 450nm and is less than the light of 500nm.
In one embodiment, described light supply apparatuses also include plus lens, minus lenses, diffusion sheet, the first collecting lens
With the second collecting lens, described plus lens and described minus lenses are arranged between described excitation source and described first area, institute
State the exciting light that excitation source sends and be sequentially provided to described first again via after described plus lens and described minus lenses compression
Region, described diffusion sheet is arranged between described minus lenses and described first area, via described plus lens and described minus lenses
Exciting light after compression scatters via described diffusion sheet and is provided to described first area after even light, and described first collecting lens sets
It is placed between described region light-dividing device and described Wavelength converter, described first collecting lens is used for the light splitting of described region
Exciting light in light path between device and described Wavelength converter and Stimulated Light are collimated, described second collecting lens setting
Between described supplementary light source and described region light-dividing device, the supplementary light that described supplementary light source sends is via the described second collection
It is provided at least one of described first area and second area region after collimated.
A kind of optical projection system, it includes light supply apparatuses, and described light supply apparatuses include excitation source, supplement light source, wavelength and turn
Changing device and region light-dividing device, described region light-dividing device includes first area and second area, wherein：Described exciting light
Source is used for sending exciting light, and described first area is used for receiving the exciting light of described excitation source offer and carrying described exciting light
It is supplied to Wavelength converter, the Part I exciting light that described Wavelength converter is used for providing described first area is converted to
Stimulated Light, and described Stimulated Light is provided to described first area and at least one region in described second area, described wavelength
The Part II exciting light that conversion equipment is additionally operable to provide described first area reflexes to described first area and described second
At least one of region region, described first area and at least one of described second area region are additionally operable to be subject to described
Laser is provided to going out optical channel, described second area be additionally operable to by described Part II exciting light provide to described go out optical channel；
And described supplementary light source is used for sending supplementary light, at least one of described first area and second area region is additionally operable to receive
Supplementary light that described supplementary light source provides and by described supplementary light provide described go out optical channel.
In one embodiment, described first area is surrounded by described second area, and described first area is located at institute
State the middle position of second area.
In one embodiment, the area of described first area is less than the area of described second area.
In one embodiment, described exciting light is blue excitation light, and described Wavelength converter includes yellow fluorescence
Material, described Stimulated Light is yellow Stimulated Light, and described supplementary light is blue supplementary light.
In one embodiment, blue excitation light described in the transmission of described first area and described blue supplementary light and anti-
Penetrate described yellow Stimulated Light, blue supplementary light described in described second area transmission simultaneously reflects described yellow Stimulated Light and described blueness
Exciting light.
In one embodiment, described blue excitation light and described blue supplementary light and thoroughly are reflected in described first area
Penetrate described yellow Stimulated Light, blue excitation light described in described second area transmission, reflect described in described blue supplementary light transmission
Yellow Stimulated Light.
In one embodiment, described excitation source includes blue semiconductor laser diode, described blue excitation light
For blue laser, described supplementary light source includes blue LED, and described blue LED sends described blue supplementary
Light.
In one embodiment, described blue excitation light and the wave-length coverage of described blue supplementary light do not overlap.
In one embodiment, the wavelength of described blue excitation light is less than 450nm, and the wavelength of described supplementary light is more than
450nm and be less than 500nm.
In one embodiment, described first area transmission peak wavelength is less than or equal to the light of 500nm, described firstth area
Domain reflection wavelength is more than the light of 500nm, and described second area transmission peak wavelength is more than 450nm and is less than the light of 500nm, described
Second area reflection wavelength is more than 500nm and wavelength is less than the light of 450nm.
In one embodiment, described first area reflection wavelength is less than or equal to the light of 500nm, described firstth area
Domain transmission peak wavelength is more than the light of 500nm, and described second area transmission peak wavelength is more than 500nm and wavelength is less than the light of 450nm
Line, described second area reflection wavelength is more than 450nm and is less than the light of 500nm.
In one embodiment, described light supply apparatuses also include plus lens, minus lenses, diffusion sheet, the first collecting lens
With the second collecting lens, described plus lens and described minus lenses are arranged between described excitation source and described first area, institute
State the exciting light that excitation source sends and be sequentially provided to described first again via after described plus lens and described minus lenses compression
Region, described diffusion sheet is arranged between described minus lenses and described first area, via described plus lens and described minus lenses
Exciting light after compression scatters via described diffusion sheet and is provided to described first area after even light, and described first collecting lens sets
It is placed between described region light-dividing device and described Wavelength converter, described first collecting lens is used for the light splitting of described region
Exciting light in light path between device and described Wavelength converter and Stimulated Light are collimated, described second collecting lens setting
Between described supplementary light source and described region light-dividing device, the supplementary light that described supplementary light source sends is via the described second collection
It is provided at least one of described first area and second area region after collimated.
Compared with prior art, described light supply apparatuses do not need the complicated architectures of two excitation sources, simultaneously described area
The second area of domain light-dividing device can provide described Part II exciting light to going out optical channel, can reduce described exciting light
Loss, raising light utilization efficiency, therefore described light supply apparatuses and projection system architecture are relatively simple, light utilization efficiency is higher.
Brief description
Fig. 1 is a kind of light channel structure schematic diagram of prior art white light source device.
Fig. 2 is the light channel structure schematic diagram of another kind of prior art white light source device.
Fig. 3 is the structural representation of the light supply apparatuses of this utility model first embodiment.
Fig. 4 is the planar structure schematic diagram of the region light-dividing device of light supply apparatuses shown in Fig. 3.
Fig. 5 is the transmitted ray wavelength schematic diagram of the first area in region light-dividing device shown in Fig. 4.
Fig. 6 is the transmission of region light-dividing device described in Fig. 4 and reflection light wavelength schematic diagram.
Fig. 7 is the structural representation of the light supply apparatuses of this utility model second embodiment.
Fig. 8 is the planar structure schematic diagram of the region light-dividing device of light supply apparatuses shown in Fig. 7.
Main element symbol description
Light supply apparatuses 300,400
Excitation source 301,401
Plus lens 302,402
Minus lenses 303,403
Diffusion sheet 304,404
Region light-dividing device 305,405
First collecting lens 306,406
Supplement light source 307,407
Second collecting lens 308,408
Wavelength converter 309,409
Dodging device 310,410
Compression lens module 311,411
Go out optical channel 312,412
Following specific embodiment will further illustrate this utility model in conjunction with above-mentioned accompanying drawing.
Specific embodiment
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.
Elaborate a lot of details in the following description in order to fully understand this utility model, but this practicality is new
Type can also be different from alternate manner described here to implement using other, and those skilled in the art can be without prejudice to this reality
With doing similar application in the case of new intension, therefore this utility model is not limited by following public specific embodiment.
Secondly, this utility model is described in detail with reference to schematic diagram, when describing this utility model embodiment in detail, for ease of
Illustrate, represent that the profile of device architecture can be disobeyed general ratio and made partial enlargement, and described schematic diagram is example, its
This should not limit the scope of this utility model protection.Additionally, the three-dimensional space of length, width and depth should be comprised in actual fabrication
Between size.
Describe in detail below by embodiment.
Refer to Fig. 3, Fig. 3 is the structural representation of the light supply apparatuses of this utility model first embodiment.Described light source
Device 300 include excitation source 301, compression lens module 311, diffusion sheet 304, supplement light source 307, the first collecting lens 306,
Region light-dividing device 305, Wavelength converter 309, the second collecting lens 308 and dodging device 310.
Described excitation source 301 is used for sending exciting light.Described excitation source 301 can be semiconductor diode or half
Conductor diode array.Described semiconductor diode array can be laser diode（LD）Deng.This exciting light can be blueness
Light, purple light or ultraviolet light etc., but be not limited with above-mentioned.In present embodiment, described excitation source 301 is blue light half
Conductor diode array, is used for sending blue laser as described exciting light, specifically, described blue-light semiconductor diode array
Can include multiple（As 16）The blue light laser diode being set up in parallel.
The exciting light that described compression lens module 311 is used for described excitation source 301 is sent is compressed, and it is just included
Lens 302 and minus lenses 303.Described plus lens 302 and described minus lenses 303 are sequentially arranged at described excitation source 301 and send
The light path of exciting light on.Described plus lens 302 are arranged adjacent to described excitation source 301, and described plus lens 302 can be convex
Lens, the exciting light for sending to described excitation source 301 collects.Described minus lenses 303 be arranged at via described just
In the light path of the exciting light that lens 302 collect, described minus lenses 303 can be concavees lens, for will be via described plus lens 302
The exciting light collecting is converted to the exciting light of exiting parallel.In present embodiment, described excitation source 301 is (as quasiconductor two pole
Pipe array) exciting light that sends via described compression lens module 311 after, facula area diminishes, thus described compression lens mould
Group 311 realizes the compression to the exciting light that described excitation source 301 sends.It is appreciated that in change embodiment, according to sharp
Type/the structure of luminous source and to light supply apparatuses actual demand, described light supply apparatuses 300 can also omit described compression lens
Module 311.
Described diffusion sheet 304 is arranged adjacent to described compression lens module 311, for pressing to described compression lens module 311
Exciting light after contracting is scattered even light.Specifically, described diffusion sheet 304 is arranged at what described compression lens module 311 projected
In the light path of exciting light, and neighbouring described minus lenses 303 are arranged.It is appreciated that in change embodiment, according to excitation source
Type/structure and to light supply apparatuses actual demand, described light supply apparatuses 300 can also omit described diffusion sheet 304.
Described supplementary light source 307 is used for sending supplementary light.The control of described supplementary light source 307 can for semiconductor diode or
Semiconductor diode array.Described semiconductor diode array can be light emitting diode（LED）Deng.The spectrum of described supplementary light
Scope is different from the spectral region of described exciting light.Specifically, the spectral region of described supplementary light can be wider than described exciting light
Spectral region.In present embodiment, described supplementary light can be identical with the color of described exciting light, but spectral region does not weigh
Folded, thus improving the color homogeneity of described light supply apparatuses 300.But in change embodiment, described supplementary light source 307
The color of the supplementary light going out can also be arranged according to the actual requirements, that is, different from the color of described exciting light, such as lacks certain face
During coloured light, described supplementary light is the light of which kind of color volume, if described supplementary light can be red light, blue light etc..This enforcement
In mode, described supplementary light source 307 is at least one blue light-emitting diode, and described supplementary light is blue light.
Described first collecting lens 306 in the light path of supplementary light that described supplementary light source 307 sends, for described
The supplementary light that supplementary light source 307 sends is collimated.It is appreciated that described first collecting lens 306 can be convex lenss.Becoming
In more embodiment, type/structure according to excitation source and to light supply apparatuses actual demand, described light supply apparatuses 300
Described first collecting lens 306 can be omitted.
Described region light-dividing device 305, in the light path of exciting light that described excitation source 301 sends, also is located at described
Supplement in the light path of supplementary light that light source 307 sends.Refer to Fig. 4, Fig. 4 is that the plane of described region light-dividing device 305 is illustrated
Figure.Described region light-dividing device includes first area 3051 and second area 3052.
Described first area 3051 is described sharp for receiving via described compression lens module 311 and described diffusion sheet 304
Described exciting simultaneously is provided described Wavelength converter 309 by the exciting light of luminous source 301 offer after light transmission.Described firstth area
Domain 3051 is additionally operable to receive, from described first collecting lens 306, the supplementary light that described supplementary light source 307 sends, and by described supplement
Light transmission is to provide the going out on optical channel 312 of described light supply apparatuses 300 by described supplementary light.
In present embodiment, described second area 3052 is set up in parallel with described first area 3051.Specifically, described
Two regions 3052 can surround described first area 3051, and described first area 3051 is located in described second area 3052
Centre position.Described first area 3051 can be rectangle with described second area 3052.The area of described first area 3051
The area of described second area 3052 can be less than.
Specifically, described region light-dividing device 305 can be a diaphragm, described first area 3051 and described second area
3052 can be the diaphragm of integral type.It will be appreciated, of course, that described region light-dividing device 305 can also be a diaphragm group, described
First area 3051 and described second area 3052 can but at least two diaphragms be stacked together with mutually independent for two-phase.
Described region light-dividing device 305 is with respect to the light-emitting area of described excitation source 301, the light-emitting area of described supplementary light source 307 and institute
The light-emitting area stating Wavelength converter 309 is all arranged in 45 degree of angles.
What described Wavelength converter 309 was arranged at that the first area 3051 of described region light-dividing device 305 sends excites
In the light path of light, it includes fluorescent material, is subject to for being converted to the Part I exciting light of described first area 3051 transmission
Laser, and described Stimulated Light is provided to described first area 3051 and at least one region in described second area 3052,
In a kind of embodiment, described Stimulated Light is provided to described first area 3051 and described second area 3052.Present embodiment
In, described Wavelength converter 309 is reflective Wavelength converter, and described Wavelength converter 309 is additionally operable to described the
The exciting light of the Part II of one region 3051 transmission（The exciting light not absorbed by fluorescent material）Reflected, and will be described
Part II exciting light is provided to described first area 3051 and at least one region in described second area 3052, this embodiment party
In formula, the described Part II exciting light being reflected by described Wavelength converter 309 is provided to described first area 3051 He
Described second area 3052, in one embodiment, the described Part II exciting light being reflected by described Wavelength converter 309
The ratio being provided to the part of described first area 3051 is less than or equal to 5%.
Described first area 3051 also receives the part Part II exciting light of described Wavelength converter 309 reflection, by
In described first area 3051, described exciting light is carried out with transmission, the part second of therefore described Wavelength converter 309 reflection
Part exciting light by described first area 3051 and can lose.Described first area 3051 also receives and described wavelength is turned
The Stimulated Light that changing device 309 sends is reflected, and by reflection after Stimulated Light provide to described go out optical channel 312.By institute
State the supplementary light that first area 3051 also sends to described supplementary light source 307 carry out transmission and provide described go out optical channel 312
On, therefore, described first area 3051 also by described supplementary light and partially-excited light carry out closing light and provide described go out light lead to
On road 312.
The Part II that described second area 3052 also receives another part of described Wavelength converter 309 reflection excites
Light, and described exciting light is reflected, the Part II of another part of therefore described Wavelength converter 309 reflection excites
Light can be by going out optical channel 312 described in being reflexed to by described second area 3052, thus described Part II exciting light can be by
There is provided to described go out optical channel 312 in continue with, improve whole light supply apparatuses 300 light utilization efficiency.Described second area
3052 Stimulated Light also receiving and described Wavelength converter 309 being sent reflect, and the Stimulated Light after reflection is provided
To described go out optical channel 312.Thus, the exciting light of described Stimulated Light and described Part II is carried out by described second area 3052
Go out described in closing light on optical channel 312.Further, described first area 3051 and described second area 3052 collective effect are by institute
Exciting light, described Stimulated Light and the described supplementary light of stating Part II carry out closing light and provide going out of described light supply apparatuses 300
In optical channel 312.
It is provided with described second collecting lens between described Wavelength converter 309 and described region light-dividing device 305
308, described second collecting lens 308 is used for light path between described region light-dividing device 305 and described Wavelength converter 309
In exciting light collimated with Stimulated Light.It is appreciated that in change embodiment, according to the type/structure of excitation source
And to light supply apparatuses actual demand, described light supply apparatuses 300 can also omit described second collecting lens 308.
Specifically, in present embodiment, when described exciting light is blue excitation light, described Wavelength converter 309 wraps
Include yellow fluorescent material, described Stimulated Light is yellow Stimulated Light, described supplementary light is blue supplementary light.Described Stimulated Light, described
Part II exciting light and described supplementary actinic light become white light.Blue excitation light described in described first area 3051 transmission and described
Blue supplementary light and reflect described yellow Stimulated Light, blue supplementary light described in the transmission of described second area 3052 simultaneously reflects described
Yellow Stimulated Light and described blue excitation light.In present embodiment, the wavelength of described blue excitation light and described blue supplementary light
Scope does not overlap.Wherein, the wavelength of described blue excitation light can be less than 450nm, the wavelength of described supplementary light can be more than
450nm and be less than 500nm.
Refer to Fig. 5, Fig. 5 is that the transmitted ray wavelength of the first area 3051 in region light-dividing device shown in Fig. 4 305 is illustrated
Figure.Described first area 3051 transmission peak wavelength is less than or equal to the light of 500nm, and described first area 3051 reflection wavelength
More than the light of 500nm, described second area transmission peak wavelength is more than 450nm and is less than the light of 500nm, and described second area is anti-
Ejected wave length is more than 500nm and wavelength is less than the light of 450nm.Refer to Fig. 6, Fig. 6 is region light-dividing device 305 described in Fig. 4
Transmission and reflection light wavelength schematic diagram.As can be seen from Figure 6, the wavelength of the supplementary light of described region light-dividing device 305 transmission can
Less than 500nm, to be blue light.The wavelength of the exciting light of described region light-dividing device 305 reflection is also blueness again smaller than 500nm
Light, simultaneously again smaller than the wavelength of described supplementary light.The wavelength of the Stimulated Light of described region light-dividing device 305 reflection is more than 500nm,
For sodium yellow.
Go out optical channel 312 described in described dodging device 310 is corresponding to arrange, for sending to described region light-dividing device 305
Light carry out even light.It is appreciated that described go out optical channel 312 can be to be defined in described region light-dividing device 305 to go out light light path
On space, positioned between described region light-dividing device 305 and described dodging device 310.
Concrete light path principle when below described light supply apparatuses 300 being worked simply is introduced.
During the work of described light supply apparatuses 300, described excitation source 301 sends blue excitation light, described blue excitation light according to
Sequence is compressed via described compression lens module 311 and described diffusion sheet 304 and is provided to the light splitting of described region after scattering
The first area 3051 of device 305；The light of described below first area 3051 transmission 500nm, therefore described blue excitation light is almost
All by described first area 3051 transmission and provided described Wavelength converter via described second collecting lens 308.
Described Wavelength converter 309 receives described blue excitation light, and Part I blue excitation light excites described yellow fluorescent material
Produce yellow Stimulated Light and project, Part II blue excitation light（The blue excitation light not absorbed by yellow fluorescent material）Directly
Connect and injection is reflected by described Wavelength converter 309.Described yellow Stimulated Light is provided to via described second collecting lens 308
The first area 3051 of described region light-dividing device 305 and second area 3052, described first area 3051 and described secondth area
What domain 3052 was reflected to described yellow Stimulated Light and provided described light supply apparatuses 300 goes out optical channel 312.Described second
Point blue excitation light is provided to the first area 3051 of described region light-dividing device 305 via described second collecting lens 308
And second area 3052.The Part II blue excitation light being incident to described first area 3051 is saturating by described first area 3051
Penetrate and lose, but the Part II blue excitation light being incident to described second area 3052 is anti-by described second area 3052
Penetrate and provide to described go out optical channel 312 in be utilized.
Described supplementary light source 307 sends blue supplementary light, and described blue supplementary light is via described first collecting lens 306 quilt
First area 3051 to described region light-dividing device 305 and second area 3052, described first area 3051 and second are provided
Blue supplementary light described in the transmission of region 3052 and by described blue supplementary light provide to described go out optical channel 312.
Specifically, described first area 3051 can be with outgoing yellow Stimulated Light and described blue supplementary light, i.e. described yellow
Stimulated Light and described blue supplementary light described first area 3051 closing light produce white light inject described in go out optical channel 312 and institute
State dodging device 310.Described second area 3052 can be with outgoing yellow Stimulated Light, described blue supplementary light and described Part II
Blue excitation light, that is, described yellow Stimulated Light, described blue supplementary light and described Part II blue excitation light are described second
Region 3052 closing light and produce white light inject described in go out optical channel 312 and described dodging device 310.
It will be appreciated, of course, that in change embodiment, by adjusting the rising angle, described of described supplementary light source 307
Focal length of the position of first area 3051 and area and described first collecting lens 306 etc., can when described supplementary light source 307
The blue supplementary light sending is only provided to described first area 3051, and thus, described second area 3052 outgoing yellow is excited
Light and described Part II blue excitation light are thus form white light.
Compared with prior art, described light supply apparatuses 300 do not need the complicated architectures of two excitation sources, simultaneously described
Described Part II exciting light can be reflexed to out optical channel 312 by the second area 3052 of region light-dividing device 305, can drop
Low described excite light loss, improve light utilization efficiency, the structure of therefore described light supply apparatuses 300 is relatively simple, light utilization efficiency is higher.
The luminescent spectrum of described light supply apparatuses 300 has also been widened in the addition of described supplementary light source 307, is swashed by effective regulation
Luminous, supplement light and Stimulated Light can also effectively improve the uniformity of the light color that light supply apparatuses 300 send, described light source
The light color uniformity of device 300 is preferable.
Refer to Fig. 7, Fig. 7 is the structural representation of the light supply apparatuses that this utility model second applies mode.Described light source dress
Put 400 include excitation source 401, compression lens module 411, diffusion sheet 404, supplement light source 407, the first collecting lens 406, area
Domain light-dividing device 405, Wavelength converter 409, the second collecting lens 408 and dodging device 410.
Described excitation source 401 is used for sending exciting light.Described excitation source 401 can be semiconductor diode or half
Conductor diode array.Described semiconductor diode array can be laser diode（LD）Deng.This exciting light can be blueness
Light, purple light or ultraviolet light etc., but be not limited with above-mentioned.In present embodiment, described excitation source 401 is blue light half
Conductor diode array, is used for sending blue excitation light, and specifically, described blue-light semiconductor diode array can include multiple
（As 16）The blue light laser diode being set up in parallel.
The exciting light that described compression lens module 411 is used for described excitation source 401 is sent is compressed, and it is just included
Lens 402 and minus lenses 403.Described plus lens 402 and described minus lenses 403 are sequentially arranged at described excitation source 401 and send
The light path of exciting light on.Described plus lens 402 are arranged adjacent to described excitation source 401, and described plus lens 402 can be convex
Lens, the exciting light for sending to described excitation source 401 collects.Described minus lenses 403 be arranged at via described just
In the light path of the exciting light that lens 402 collect, described minus lenses 403 can be concavees lens, for will be via described plus lens 402
The exciting light collecting is converted to the exciting light of exiting parallel.In present embodiment, described excitation source 401 is (as quasiconductor two pole
Pipe array) exciting light that sends via described compression lens module 411 after, facula area diminishes, thus described compression lens mould
Group 411 realizes the compression to the exciting light that described excitation source 401 sends.It is appreciated that in change embodiment, according to sharp
Type/the structure of luminous source and to light supply apparatuses actual demand, described light supply apparatuses 400 can also omit described compression lens
Module 411.
Described diffusion sheet 404 is arranged adjacent to described compression lens module 411, for pressing to described compression lens module 411
Exciting light after contracting is scattered even light.Specifically, described diffusion sheet 404 is arranged at what described compression lens module 411 projected
In the light path of exciting light, and neighbouring described minus lenses 403 are arranged.It is appreciated that in change embodiment, according to excitation source
Type/structure and to light supply apparatuses actual demand, described light supply apparatuses 400 can also omit described diffusion sheet 404.
Described supplementary light source 407 is used for sending supplementary light.Described supplementary light source 407 can be semiconductor diode or half
Conductor diode array.Described semiconductor diode array can be light emitting diode（LED）Deng.The spectrum model of described supplementary light
Enclose the spectral region different from described exciting light.Specifically, the spectral region of described supplementary light can be wider than described exciting light
Spectral region.In present embodiment, described supplementary light can be identical with the color of described exciting light, but spectral region is not overlapping,
Thus improving the color homogeneity of described light supply apparatuses 400.But in change embodiment, described supplementary light source 407 sends
The color of supplementary light can also arrange according to the actual requirements, that is, different from the color of described exciting light, such as lack certain color
Light time, described supplementary light is the light of which kind of color volume, if described supplementary light can be red light, blue light etc..This embodiment party
In formula, described supplementary light source 407 is at least one blue light-emitting diode, and described supplementary light is blue light.
Described first collecting lens 406 in the light path of supplementary light that described supplementary light source 407 sends, for described
The supplementary light that supplementary light source 407 sends is collimated.It is appreciated that described first collecting lens 406 can be convex lenss.Becoming
In more embodiment, type/structure according to excitation source and to light supply apparatuses actual demand, described light supply apparatuses 400
Described first collecting lens 406 can be omitted.
Described region light-dividing device 405, in the light path of exciting light that described excitation source 401 sends, also is located at described
Supplement in the light path of supplementary light that light source 407 sends.Refer to Fig. 8, Fig. 8 is that the plane of described region light-dividing device 405 is illustrated
Figure.Described region light-dividing device 405 includes first area 4051 and second area 4052.
Described first area 4051 is described sharp for receiving via described compression lens module 411 and described diffusion sheet 404
The exciting light of luminous source 401 offer simultaneously provides described Wavelength converter 409 by after the reflection of described exciting light.Described firstth area
Domain 4051 is additionally operable to receive, from described first collecting lens 406, the supplementary light that described supplementary light source 407 sends, and by described supplement
Light reflection is to provide the going out on optical channel 412 of described light supply apparatuses 400 by described supplementary light.
In present embodiment, described second area 4052 is set up in parallel with described first area 4051.Specifically, described
Two regions 4052 can surround described first area 4051, and described first area 4051 is located in described second area 4052
Centre position.Described first area 4051 can be rectangle with described second area 4052.The area of described first area 4051
The area of described second area 4052 can be less than.
Specifically, described region light-dividing device 405 can be a diaphragm, described first area 4051 and described second area
4052 can be the diaphragm of integral type.It will be appreciated, of course, that described region light-dividing device 405 can also be a diaphragm group, described
First area 4051 and described second area 4052 can but at least two diaphragms be stacked together with mutually independent for two-phase.
Described region light-dividing device 405 is with respect to the light-emitting area of described excitation source 401, the light-emitting area of described supplementary light source 407 and institute
The light-emitting area stating Wavelength converter 409 is all arranged in 45 degree of angles.
Described Wavelength converter 409 is arranged at exciting of first area 4051 reflection of described region light-dividing device 405
In the light path of light, it includes fluorescent material, and the Part I exciting light for reflecting described first area 4051 is converted to and is subject to
Laser, and described Stimulated Light is provided to described first area 4051 and at least one region in described second area 4052,
In a kind of embodiment, described Stimulated Light is provided to described second area 4052.In present embodiment, described Wavelength converter
409 is reflective Wavelength converter, and described Wavelength converter 409 is additionally operable to reflect described first area 4051 second
Partial exciting light（The exciting light not absorbed by fluorescent material）Reflected, and by described Part II exciting light provide to
Described first area 4051 and at least one region in described second area 4052, in present embodiment, described by described wavelength
The Part II exciting light of conversion equipment 309 reflection be provided to described first area 4051 and described second area 4052,
The wherein said Part II exciting light being reflected by described Wavelength converter 309 is provided to the portion of described first area 4051
The ratio divided is less than or equal to 5%.
Described first area 4051 also receives the part Part II exciting light of described Wavelength converter 409 reflection, by
In described first area 4051, described exciting light is reflected, the part second of therefore described Wavelength converter 409 reflection
Part exciting light can be again incident on described Wavelength converter 409 and be converted to Stimulated Light or reflected again, such that it is able to one
Determine degree lifting light efficiency.The Stimulated Light that described first area 4051 also receives and described Wavelength converter 409 is sent is carried out
Reflection, and by reflection after Stimulated Light provide to described go out optical channel 412.Because described first area 4051 is also to described supplement
The supplementary light that light source 407 sends reflected and provided described go out optical channel 412 on, therefore, described first area 4051 is also
By described supplementary light and partially-excited light carry out closing light and provide described go out optical channel 412 on.
The Part II that described second area 4052 also receives another part of described Wavelength converter 409 reflection excites
Light, and described exciting light is carried out with transmission, the Part II of another part of therefore described Wavelength converter 409 reflection excites
Light can be by going out optical channel 412 described in being transmitted through by described second area 4052, thus described Part II exciting light can be by
There is provided to described go out optical channel 412 in continue with, improve whole light supply apparatuses 400 light utilization efficiency.Described second area
4052 Stimulated Light also receiving and described Wavelength converter 409 being sent carry out transmission, and the Stimulated Light after transmission is provided
To described go out optical channel 412.Thus, the exciting light of described Stimulated Light and described Part II is carried out by described second area 4052
Go out described in closing light on optical channel 412.Further, described first area 4051 and described second area 4052 collective effect are by institute
Exciting light, described Stimulated Light and the described supplementary light of stating Part II carry out closing light and provide going out of described light supply apparatuses 400
In optical channel 412.
It is provided with described second collecting lens between described Wavelength converter 409 and described region light-dividing device 405
408, described second collecting lens 408 is used for light path between described region light-dividing device 405 and described Wavelength converter 409
In exciting light collimated with Stimulated Light.It is appreciated that in change embodiment, according to the type/structure of excitation source
And to light supply apparatuses actual demand, described light supply apparatuses 400 can also omit described second collecting lens 408.
In present embodiment, when described exciting light is blue excitation light, it is glimmering that described Wavelength converter 409 includes yellow
Luminescent material, described Stimulated Light is yellow Stimulated Light, and described supplementary light is blue supplementary light.Described Stimulated Light, described Part II
Exciting light and described supplementary actinic light become white light.Specifically, reflect described blue excitation light and described for described first area 4051
Yellow Stimulated Light described in blue supplementary light and transmission, described in the transmission of described second area 4052, blue excitation light and yellow are excited
Light reflection blue supplement light.
In present embodiment, described blue excitation light is not overlapped with the wave-length coverage of described blue supplementary light.Wherein, described
The wavelength of blue excitation light can be less than 450nm, and the wavelength of described supplementary light can be to be less than 500nm more than 450nm.Corresponding
Ground, described first area reflection wavelength is less than or equal to the light of 500nm, and described first area transmission peak wavelength is more than 500nm's
Light, described second area transmission peak wavelength is more than 500nm and wavelength is less than the light of 450nm, described second area echo
Length is less than the light of 500nm more than 450nm.
Go out optical channel 412 described in described dodging device 410 is corresponding to arrange, for sending to described region light-dividing device 405
Light carry out even light.It is appreciated that described go out optical channel 412 can be to be defined in described region light-dividing device 405 to go out light light path
On space, positioned between described region light-dividing device 405 and described dodging device 410.
Concrete light path principle when below described light supply apparatuses 400 being worked simply is introduced.
During the work of described light supply apparatuses 400, described excitation source 401 sends blue excitation light, described blue excitation light according to
Sequence is compressed via described compression lens module 411 and described diffusion sheet 404 and is provided to the light splitting of described region after scattering
The first area 4051 of device 405；The light of below 500nm is reflected in described first area 4051, therefore described blue excitation light is almost
All reflected by described first area 4051 and provided described Wavelength converter via described second collecting lens 408
409.Described Wavelength converter 409 receives described blue excitation light, and Part I blue excitation light excites described yellow fluorescence
Material produces yellow Stimulated Light and projects, Part II blue excitation light（The blue excitation not absorbed by yellow fluorescent material
Light）Directly injection is reflected by described Wavelength converter 409.Described yellow Stimulated Light is via described second collecting lens 408 quilt
There is provided first area 4051 and the second area 4052 of described region light-dividing device 405, described first area 4051 and described
What second area 4052 was reflected to described yellow Stimulated Light and provided described light supply apparatuses 400 goes out optical channel 412.Described
Part II blue excitation light is provided to the firstth area of described region light-dividing device 405 via described second collecting lens 408
Domain 4051 and second area 4052.The Part II blue excitation light being incident to described first area 4051 is by described first area
4051 are reflected back described Wavelength converter 409 is utilized, and the Part II being incident to described second area 4052 is blue
Exciting light by the transmission of described second area 4052 and provide to described go out optical channel 412 in be utilized.
Described supplementary light source 407 sends blue supplementary light, and described blue supplementary light is via described first collecting lens 406 quilt
First area 4051 to described region light-dividing device 405 and second area 4052, described first area 4051 and second are provided
Region 4052 reflect described blue supplementary light and by described blue supplementary light provide to described go out optical channel 412.
Specifically, described first area 4051 can be with outgoing yellow Stimulated Light and described blue supplementary light, i.e. described yellow
Stimulated Light and described blue supplementary light described first area 4051 closing light produce white light inject described in go out optical channel 412 and institute
State dodging device 410.Described first area 4051 can be with outgoing yellow Stimulated Light and blue supplementary light, and that is, described yellow is excited
Light and blue supplementary light described first area 4051 closing light produce white light inject described in go out optical channel 412 and described even light dress
Put 410.Described second area 4052 can with outgoing yellow Stimulated Light, blue supplementary light and described Part II blue excitation light,
I.e. described yellow Stimulated Light, blue supplementary light and described Part II blue excitation light are produced in described second area 4052 closing light
Raw white light goes out optical channel 412 and described dodging device 410 described in injecting.
It will be appreciated, of course, that in change embodiment, by adjusting the rising angle, described of described supplementary light source 407
Focal length of the position of first area 4051 and area and described first collecting lens 406 etc., can when described supplementary light source 407
The blue supplementary light sending is only provided to described first area 4051, and thus, described second area 4052 outgoing yellow is excited
Light and described Part II blue excitation light are thus form white light.
Compared with prior art, described light supply apparatuses 400 do not need the complicated architectures of two excitation sources, simultaneously described
Described Part II exciting light can be transmitted through out optical channel 412 by the second area 4052 of region light-dividing device 405, can drop
Low described excite light loss, improve light utilization efficiency, the structure of therefore described light supply apparatuses 400 is relatively simple, light utilization efficiency is higher.
The luminescent spectrum of described light supply apparatuses 400 has also been widened in the addition of described supplementary light source 407, is swashed by effective regulation
Luminous, supplement light and Stimulated Light can also effectively improve the uniformity of the light color that light supply apparatuses 400 send, described light source
The light color uniformity of device 400 is preferable.
This utility model also provides a kind of optical projection system, and described optical projection system can apply to scialyscope, LCD (Liquid
Crystal Display, liquid crystal display) display etc., described optical projection system can include light supply apparatuses, optic modulating device and throwing
Shadow camera lens, described light supply apparatuses adopt the light supply apparatuses 300 or 400 in above-mentioned embodiment.Described optic modulating device be used for according to
The light and the input image data modulation image that send according to described light supply apparatuses and export modulation image light, described projection lens
Shown projected image for being projected according to described modulation image light.Projection using above-mentioned light supply apparatuses 300 or 400
The light utilization efficiency of system is higher, and the color homogeneity of image is preferable.
Additionally, it is appreciated that this utility model light supply apparatuses 300 and 400 can be also used for stage lamp system, vehicle-mounted illumination
System and operating theatre luminaire system etc. are however it is not limited to above-mentioned optical projection system.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
The equivalent structure made using this utility model description and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in
Other related technical fields, are all included in the same manner in scope of patent protection of the present utility model.
Claims (13)
1. a kind of light supply apparatuses it is characterised in that this light supply apparatus include excitation source, supplement light source, Wavelength converter and
Region light-dividing device, described region light-dividing device includes first area and second area, wherein：
Described excitation source is used for sending exciting light, and described first area is for receiving the exciting light that described excitation source provides simultaneously
Described exciting light is provided Wavelength converter, described Wavelength converter is used for provide described first area first
Shunt excitation luminescent conversion is Stimulated Light, and described Stimulated Light is provided to described first area and described second area at least one
Region, the Part II exciting light that described Wavelength converter is additionally operable to provide described first area reflexes to described firstth area
Domain and at least one of described second area region, described first area is with least one of described second area region also
For providing described Stimulated Light to going out optical channel, described second area is additionally operable to provide described Part II exciting light to institute
State out optical channel；And
Described supplementary light source is used for sending supplementary light, and at least one of described first area and second area region is additionally operable to connect
Receive the supplementary light that described supplementary light source provides and by described supplementary light provide described go out optical channel.
2. light supply apparatuses as claimed in claim 1 are it is characterised in that described first area is surrounded by described second area, and
Described first area is located at the middle position of described second area.
3. it is characterised in that described exciting light is blue excitation light, described wavelength turns light supply apparatuses as claimed in claim 1
Changing device includes yellow fluorescent material, and described Stimulated Light is yellow Stimulated Light, and described supplementary light is blue supplementary light.
4. light supply apparatuses as claimed in claim 3 are it is characterised in that blue excitation light described in the transmission of described first area and institute
State blue supplementary light and reflect described yellow Stimulated Light, blue supplementary light described in described second area transmission simultaneously reflects described Huang
Color Stimulated Light and described blue excitation light.
5. light supply apparatuses as claimed in claim 3 are it is characterised in that described blue excitation light and institute are reflected in described first area
State yellow Stimulated Light described in blue supplementary light and transmission, blue excitation light, the described indigo plant of reflection described in described second area transmission
Color supplements light yellow Stimulated Light described in transmission.
6. light supply apparatuses as claimed in claim 3 are it is characterised in that described excitation source includes blue semiconductor laser two pole
Pipe, described blue excitation light is blue laser, and described supplementary light source includes blue LED, described blue LED
Send described blue supplementary light.
7. light supply apparatuses as claimed in claim 3 are it is characterised in that the ripple of described blue excitation light and described blue supplementary light
Long scope does not overlap.
8. light supply apparatuses as claimed in claim 3 are it is characterised in that the wavelength of described blue excitation light is less than 450nm, described
The wavelength supplementing light is more than 450nm and is less than 500nm.
9. light supply apparatuses as claimed in claim 1 are it is characterised in that described first area transmission peak wavelength is less than or equal to
The light of 500nm, described first area reflection wavelength is more than the light of 500nm, and described second area transmission peak wavelength is more than 450nm
And it is less than the light of 500nm, described second area reflection wavelength is more than 500nm and wavelength is less than the light of 450nm.
10. light supply apparatuses as claimed in claim 1 are it is characterised in that described first area reflection wavelength is less than or equal to
The light of 500nm, described first area transmission peak wavelength is more than the light of 500nm, and described second area transmission peak wavelength is more than 500nm
And wavelength is less than the light of 450nm, described second area reflection wavelength is more than 450nm and is less than the light of 500nm.
11. light supply apparatuses as claimed in claim 1 it is characterised in that described light supply apparatuses also include plus lens, minus lenses,
Diffusion sheet, the first collecting lens and the second collecting lens, described plus lens and described minus lenses be arranged at described excitation source with
Between described first area, exciting light that described excitation source sends is sequentially via after described plus lens and described minus lenses compression
It is provided to described first area again, described diffusion sheet is arranged between described minus lenses and described first area, via described
Plus lens are provided to described first area with the exciting light after described minus lenses compression via after the described diffusion sheet even light of scattering,
Described first collecting lens is arranged between described region light-dividing device and described Wavelength converter, described first collecting lens
For collimating to the exciting light in light path between described region light-dividing device and described Wavelength converter and Stimulated Light, institute
State the second collecting lens to be arranged between described supplementary light source and described region light-dividing device, the supplement that described supplementary light source sends
Light is provided at least one of described first area and second area region via after described second collecting lens collimation.
12. light supply apparatuses as claimed in claim 8 are it is characterised in that the area of described first area is less than described secondth area
The area in domain.
A kind of 13. optical projection systems, it includes light supply apparatuses it is characterised in that described light supply apparatuses adopt claim 1-12 item
Light supply apparatuses described in any one.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872559.8U CN205982969U (en) | 2016-08-12 | 2016-08-12 | Light source device and projecting system |
| PCT/CN2017/086165 WO2018028277A1 (en) | 2016-08-12 | 2017-05-26 | Light-source apparatus and projection system |
| TW106210771U TWM552112U (en) | 2016-08-12 | 2017-07-21 | Light source device and projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872559.8U CN205982969U (en) | 2016-08-12 | 2016-08-12 | Light source device and projecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982969U true CN205982969U (en) | 2017-02-22 |
Family
ID=59978291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620872559.8U Active CN205982969U (en) | 2016-08-12 | 2016-08-12 | Light source device and projecting system |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN205982969U (en) |
| TW (1) | TWM552112U (en) |
| WO (1) | WO2018028277A1 (en) |
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| WO2018028277A1 (en) * | 2016-08-12 | 2018-02-15 | 深圳市绎立锐光科技开发有限公司 | Light-source apparatus and projection system |
| CN108931878A (en) * | 2017-05-26 | 2018-12-04 | 深圳市光峰光电技术有限公司 | Light-source system and display equipment |
| WO2019214273A1 (en) * | 2018-05-10 | 2019-11-14 | 深圳光峰科技股份有限公司 | Light source system, projection device and illumination device |
| CN110488563A (en) * | 2019-08-22 | 2019-11-22 | 苏州佳世达光电有限公司 | Projector |
| CN110657398A (en) * | 2018-06-28 | 2020-01-07 | 上海航空电器有限公司 | Reflective laser remote excitation lighting device |
| CN110874005A (en) * | 2018-09-03 | 2020-03-10 | 深圳光峰科技股份有限公司 | Light source system, method for improving light efficiency of light source system and display device |
| CN111562666A (en) * | 2020-06-11 | 2020-08-21 | 无锡视美乐激光显示科技有限公司 | Laser fluorescent light source device and laser fluorescent display system |
| CN111708247A (en) * | 2019-03-18 | 2020-09-25 | 株式会社理光 | Light source optical system, light source device, and image projection device |
| CN112443818A (en) * | 2019-08-30 | 2021-03-05 | 深圳市中光工业技术研究院 | Light source system and lighting device |
| CN113608403A (en) * | 2021-08-17 | 2021-11-05 | 四川长虹电器股份有限公司 | Laser light source module projection light path system |
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| TWI821700B (en) * | 2021-07-02 | 2023-11-11 | 揚明光學股份有限公司 | Projection apparatus and fabrication method thereof |
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| JP2013029831A (en) * | 2011-06-23 | 2013-02-07 | Panasonic Corp | Illumination apparatus and projection type image display apparatus |
| CN103034035A (en) * | 2011-09-30 | 2013-04-10 | 中强光电股份有限公司 | Illuminating system and projecting apparatus |
| DE102012206525B4 (en) * | 2012-04-20 | 2023-03-09 | Osram Gmbh | Method of irradiating an imaging optic and projector |
| CN107479311B (en) * | 2014-06-23 | 2020-10-20 | 深圳光峰科技股份有限公司 | Light source system and projection equipment |
| CN205353549U (en) * | 2016-01-07 | 2016-06-29 | 深圳市绎立锐光科技开发有限公司 | Light source device and lighting device |
| CN205982969U (en) * | 2016-08-12 | 2017-02-22 | 深圳市绎立锐光科技开发有限公司 | Light source device and projecting system |
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2016
- 2016-08-12 CN CN201620872559.8U patent/CN205982969U/en active Active
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2017
- 2017-05-26 WO PCT/CN2017/086165 patent/WO2018028277A1/en active Application Filing
- 2017-07-21 TW TW106210771U patent/TWM552112U/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| TWM552112U (en) | 2017-11-21 |
| WO2018028277A1 (en) | 2018-02-15 |
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