CN109870871A - Light-source system and optical projection system - Google Patents
Light-source system and optical projection system Download PDFInfo
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- CN109870871A CN109870871A CN201711260863.2A CN201711260863A CN109870871A CN 109870871 A CN109870871 A CN 109870871A CN 201711260863 A CN201711260863 A CN 201711260863A CN 109870871 A CN109870871 A CN 109870871A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 76
- 230000005284 excitation Effects 0.000 claims abstract description 21
- 230000007704 transition Effects 0.000 claims description 71
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000011514 reflex Effects 0.000 claims description 3
- 201000009310 astigmatism Diseases 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 238000001914 filtration Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 230000004446 light reflex Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a kind of light-source system and optical projection systems.Light-source system includes for generating the excitation light source of the first exciting light, optics, lens, colour wheel and guide assembly, and the colour wheel is for receiving the first exciting light and being sequentially emitted the second exciting light and stimulated light；First exciting light is assembled and is emitted to the colour wheel by the lens；The optics can receive first exciting light and first exciting light can be emitted to the lens, and the second exciting light is emitted to the guide assembly by the optics；The guide assembly is for receiving the second exciting light penetrated by the optics and being changed to the optical path of second exciting light, and be emitted after converging the optical path of the second exciting light and the optical path of stimulated light from the optics, optical path of the first exciting light and the second exciting light that the lens receive in the lens is in discrete state.The light-source system has many advantages, such as optical efficiency height, while color is uniform.
Description
Technical field
The present invention relates to optical technical field more particularly to a kind of light-source system and optical projection systems.
Background technique
Currently, spatial light modulator is widely applied in field of projection display, spatial light modulator generally comprise LCD,
LCOS, DMD etc., one chip spatial light modulator optical projection system realize that colour projection shows based on the primary lights that timing switches,
Simple with its structure, the features such as cost is relatively low, is widely applied in middle and low-end market.
Current field of projection display usually selects blue semiconductor laser as exciting light, in the process of industrialization
In, fluorescent powder is mainly applied to light source product in the form of colour wheel.Colour wheel be divided into transmission-type with it is reflective, transfer efficiency and heat dissipation
Aspect of performance, reflective colour wheel are more more advantageous than transmission-type colour wheel.But in terms of optical design, reflective colour wheel structure meeting
There are the following problems: since blue light is typically directly from the intrinsic spectrum of laser, and exciting light passes through colour wheel with it
Reflected light is opposite direction in optical path, therefore the two is separated into firstly the need of solving the problems, such as.It is at present usually to utilize
Etendue is divided, i.e. the propagation of exciting light is small, is only needed at light splitting eyeglass through a lesser anti-reflection area
Domain.The propagation that exciting light diffuses after colour wheel is larger, the reflecting region of large area is needed at light splitting eyeglass, therefore
Light splitting eyeglass needs to be made into a region plated film.Unavoidable is that the exciting light of reflection has loss in anti-reflection region, this portion
The missing of shunt excitation light emitting anger distribution will cause uneven color.
Summary of the invention
In view of this, the light-source system high it is necessary to provide a kind of small volume, optical efficiency, also it is necessary to provide one kind
Using the display equipment of above-mentioned light-source system.
A kind of light-source system, including for generating the first exciting light excitation light source, optics, lens, colour wheel and draw
Guide assembly, the colour wheel is for receiving first exciting light and being sequentially emitted the second exciting light and stimulated light；
The colour wheel is assembled and be emitted to first exciting light by the lens, and will also be gone out by the colour wheel
Second exciting light penetrated and the stimulated light carry out collimation outgoing；
The optics can receive first exciting light and can be emitted to first exciting light described
Second exciting light is emitted to the guide assembly by mirror, the optics；
The guide assembly is used to receive the second exciting light penetrated by the optics and to second excitation
The optical path of light is changed, and make the optical path of second exciting light and the optical path of the stimulated light converge after from the splicer
Part outgoing, optical path of the first exciting light and the second exciting light that the lens receive in the lens are in discrete state.
A kind of optical projection system, the optical projection system use light-source system as described above.
Light-source system provided by the invention can separate first exciting light with the optical path of second exciting light,
And the guide assembly of the light-source system can guide the second exciting light to optics, so that the light-source system
It is high with optical efficiency, at the same the feature that color is uniform, and the structure of the light-source system is more compact, volume reduces.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the light-source system of first embodiment of the invention.
Fig. 2 is the structural schematic diagram of the colour wheel plate of light-source system in Fig. 1.
Fig. 3 is the structural schematic diagram of the light-source system of second embodiment of the invention.
Fig. 4 is the structural schematic diagram of the colour wheel of light-source system in Fig. 3.
Fig. 5 is the structural schematic diagram of the light-source system of third embodiment of the invention.
Fig. 6 is the structural schematic diagram of the colour wheel plate of light-source system in Fig. 3.
Fig. 7 is the structural schematic diagram of the light-source system of fourth embodiment of the invention.
Fig. 8 is the structural schematic diagram of the light-source system of fifth embodiment of the invention.
Specific embodiment
Referring to Fig. 1, being the structural schematic diagram of the light-source system of first embodiment of the invention.The light-source system 100a packet
Include excitation light source 10a, optics 20a, lens 30a, colour wheel 40a, guide assembly 50a, reflection unit 60a, beam condensing unit 70a
With dodging device 80a.
The excitation light source 10a can be two pole of semiconductor diode or semiconductor for issuing the first exciting light
Pipe array, such as laser diode (LD) or light emitting diode (LED).First exciting light can be blue light, purple
Light or ultraviolet light etc., but be not limited with above-mentioned.In the present embodiment, first exciting light is blue excitation light.
The optics 20a is set in the optical path where the first exciting light that the excitation light source 10a is issued.It is described
Optics 20a is used to receive the first exciting light that the excitation light source 10a is issued, and by received first exciting light
Outgoing.In the present embodiment, the optics 20a is anti-blue thoroughly yellow eyeglass, i.e., the described optics 20a is transmissive to indigo plant
Coloured light, and the sodium yellow can be reflected.
The lens 30a is set in the optical path where the first exciting light of optics 20a outgoing, the lens
30a is used to receive the first exciting light of the optics 20a transmission, and goes out after assembling to first exciting light
It penetrates.Specifically, the axis of the lens 30a is not overlapped with the optical path where first exciting light.In other words, described
One exciting light does not expose on the axis of the lens 30a, but exposes to the side of the axis of the lens 30a.?
In present embodiment, first exciting light is parallel with the axis of the lens 30a.The colour wheel 40a is set to the lens
In optical path where first exciting light of 30a outgoing.The colour wheel 40a includes colour wheel plate 41a and driving device 42a.The drive
Dynamic device 42a can drive the colour wheel plate 41a to rotate.
Fig. 2 is please referred to, the colour wheel plate 41a is used to receive the first exciting light of the lens 30a outgoing.The color
Wheel plate 41 include be set to the edge colour wheel plate 41a part filter area 411a and be set on the colour wheel plate 41a and
Close to the transition zone 412a of filter area 411a setting.The filter area 411a and the transition zone 412a are tied in a ring
Structure, and the filter area 411a is set on the outside of the transition zone 412a.
The filter area 411a is for being filtered the light received.The filter area 411a includes the first filter area
413a and the second filter area 414a.The number of the first filter area 413a can be multiple, the multiple first filter area
The color of 413a can be set according to actual needs, and which is not limited by the present invention.
The number of the second filter area 414a is at least one, and the second filter area 414a is set to first filter
Between light area 413a.In the present embodiment, the number of the second filter area 414a is one.In other embodiments
In, the number of the second filter area 414a can also be defined according to actual needs, and which is not limited by the present invention.
The whole structure annular in shape of the transition zone 412a, and it is set to the inside of the filter area 411a and close to institute
State filter area 411a setting.The transition region 412a is set to the optical path where the first exciting light of the lens 30a outgoing
On.The transition zone 412a includes the first transition zone 415a and the second transition zone 416a.The second transition zone 416a is set to
Between the first transition zone 415a.
The number of the first transition zone 415a be it is multiple, a variety of differences can be arranged in the multiple first transition zone 415a
The fluorescent powder of type.The fluorescent powder of the different first transition zone 415a can receive first exciting light and described
First excitation generates stimulated light.Received first exciting light of first transition zone 415a and second transition zone
Plane where 416a is in scheduled tilt angle, i.e., the two is not to be vertically arranged.First exciting light can excite not
Fluorescent powder with the first transition zone 415a generates different colours stimulated light.The stimulated light of the different colours is with the shape of Lang Baiguang
Formula reflection, and reach the lens 30a and eventually arrive at corresponding first filter area 413a.In the present embodiment, described
The number of first transition zone 415a is two.It is appreciated that the number of the second filter area 414a is similarly two.Certainly,
In other embodiments, the first transition zone 415a can also be configured according to actual needs, the present invention to this not
It limits.The multiple first transition zone 415a is arranged in a one-to-one correspondence with the multiple first filter area 413a.The multiple
The stimulated light that one transition zone 415a is generated reaches corresponding first filter area 413a and is filtered.
The number of the second transition zone 416a is at least one, is set between the first transition zone 415a.?
In present embodiment, the number of the second transition zone 416a is one.The second transition zone 416a is used for arrival thereon
The first exciting light carry out reflecting to form the second exciting light.The first exciting light that the second transition zone 416a is received with it is described
Plane where second filter area 414a is equally at an angle, i.e., the two is not to be vertically arranged.In the present embodiment,
The second transition zone 416a is reflection-type diffusion sheet, and the second transition zone 416a is used for the first excitation luminous energy received
Eliminating coherence operation is enough carried out, then carries out the first exciting light received to reflect to form the second exciting light again.It is anti-according to mirror surface
Principle is penetrated, what the incidence angle for the first exciting light that the second transition zone 416a is received and the second transition zone 416a reflected
The angle of reflection of second exciting light is identical.
It is appreciated that the first transition zone 415a and the second transition zone 416a of the transition zone 412a are in the driving device
The first exciting light of the lens 30a transmission can be alternately received under the driving of 41a.The second transition zone 416a and described the
Two filter area 414a are correspondingly arranged.Second exciting light of the second transition zone 416a reflection eventually arrives at second filter area
414a。
The lens 30a is received to be stimulated the stimulated light and second conversion of generation by the first transition zone 415a
Second exciting light of area 416a reflection.The lens 30a is used to collect the stimulated light reflected in the form of Lang Baiguang, and to institute
Stimulated light is stated to be assembled and be emitted to the optics 20a after being collimated.Swash for the lens 30a is received second
For shining, the lens 30a can receive the second exciting light reflected by the second transition zone 416a, and by described the
Two exciting lights are emitted to the optics 20a after being collimated.It is appreciated that according to mirror-reflection principle, described second turn
The second exciting light and received first exciting light of the second transition zone 416a for changing area 416a reflection are in the lens 30a
Optical path is located at the opposite sides of the lens 30a.In other words, the lens 30a receive by the optics
Optical path of the second exciting light that stimulated light and the colour wheel 40a of 20a outgoing reflect in the lens 40a is in separating shape
State.In the present embodiment, the stimulated light being emitted by the optics 20a and the colour wheel that the lens 30a is received
Optical path of second exciting light of 40a reflection in the lens 40a is parallel.
The optics 20a is used to be emitted simultaneously stimulated light and the second exciting light received from the lens 30a, and will
The stimulated light reflexes to the reflection unit 60a, while second exciting light is emitted to the guide assembly 50a.It changes
Sentence talk about, the optics 20a can by the guide assembly 50a reflect the second exciting light carry out transmission and with it is described
The stimulated light of optics 20a reflection is converged.
The guide assembly 50a is set in the optical path where the second exciting light of optics 20a outgoing, and
Received second exciting light can be reflected, to change the optical path of second exciting light.The guide assembly
50a includes multiple reflecting mirrors, and the exciting light being emitted by the optics is successively reflexed to institute by the multiple reflecting mirror herein
It states optics and is transmitted by the optics.In the present embodiment, the guide assembly 50a includes the first reflecting mirror
51a, the second reflecting mirror 52a and third reflecting mirror 53a.It is appreciated that the guide assembly 50a can also be the anti-of other numbers
Mirror is penetrated, which is not limited by the present invention.
The first reflecting mirror 51a is set in the optical path where the second exciting light of optics 20a transmission,
Described is reflexed to for receiving the second exciting light being emitted after the optics 20a, and by second exciting light
Two-mirror 52a.
The second reflecting mirror 52a is set in the optical path where the second exciting light of the first reflecting mirror 52a reflection,
It is used to receive second exciting light that the first reflecting mirror 51a reflects and second exciting light is reflexed to the third
Reflecting mirror 53a.
The third reflecting mirror 53a is set in the optical path where the second exciting light of the second reflecting mirror 52a reflection,
It is used to receive second exciting light that the second reflecting mirror 52a reflects and second exciting light is reflexed to light combination again
Device 20a.The optics 20a is transmissive to reach the second exciting light thereon, and is emitted by the optics 20a
The second exciting light reach the reflection unit 60a.It is appreciated that the guide assembly 50a also may include other numbers
Reflecting mirror is to reach the function of the guide assembly 50a of present embodiment, which is not limited by the present invention.
The reflection unit 60a is set to the stimulated light of the optics 20a reflection and the second exciting light institute of transmission
Optical path on.The reflection unit 60a can receive the stimulated light of optics 20a reflection, and can will be described
Stimulated light reflexes to the beam condensing unit 70a.Likewise, the reflection unit 60a can receive the optics 20a outgoing
The second exciting light, and second exciting light can be reflexed to the beam condensing unit 70a.
The beam condensing unit 70a is set to where the second exciting light and the stimulated light of the reflection unit 60a reflection
In optical path.The beam condensing unit 70a is emitted to the colour wheel after capable of assembling to the stimulated light and the second exciting light
The filter area 411a of plate 42a.
The filter area 411a is used to receive the stimulated light being emitted after the beam condensing unit 70a is assembled.Specifically, described
One filter area 413a is used to receive the stimulated light that the first transition zone 415a is generated and is filtered to the stimulated light received.
The second filter area 414a is used to receive the second exciting light of the second transition zone 416a reflection and to second excitation
Light carries out diverging processing.
The filter area 411a is used to carry out filtering operation to second exciting light and stimulated light, thus needed for obtaining
Want the stimulated light of color.The filter area 411a is emitted after carrying out filtering operation to the exciting light and the stimulated light.
The dodging device 80a is set to where the exciting light by filter area 411a optical filtering processing and stimulated light
Optical path on.The dodging device 80a is emitted after capable of carrying out optical filtering processing to the exciting light and stimulated light received.At this
In embodiment, the dodging device 80a is optical tunnel.
Embodiment two
Please refer to Fig. 3 and Fig. 4, wherein Fig. 3 is the structural schematic diagram of the light-source system of second embodiment of the invention；Figure
4 be the structural schematic diagram of the colour wheel of light-source system in Fig. 3.
The light-source system 100b includes excitation light source 10b, optics 20b, lens 30b, colour wheel 40b, guide assembly
50b, reflection unit 60b, beam condensing unit 70b and dodging device 80b.
Light-source system 100b in present embodiment and the light-source system 100a in embodiment one are essentially identical, difference
Be in, optical path and the lens 30b where the first exciting light that the excitation light source 10b is issued are coaxial arrangement, and
The structure of the colour wheel 40b is different from the structure of colour wheel 40a in embodiment one.
The colour wheel 40b includes colour wheel plate 41b and driving device 42b.The driving device 42b drives the colour wheel plate
41b rotation.Wherein the driving device 42b is identical as the driving device 42b in embodiment one, is no longer repeated herein.
The structure of the colour wheel plate 41b and the structure of the colour wheel plate 41a in embodiment one are essentially identical, the colour wheel plate
41b equally includes transition zone (not shown) and filter area (not shown).The difference is that the transition zone of the colour wheel plate 41b
Including the second transition zone 416b.The second transition zone 416b is set relative to first transition zone with scheduled angle tilt
It sets, in the present embodiment, the first exciting light that the second transition zone 416b is used to be up to thereon is reflected, and
Diverging is carried out to form the second exciting light to first exciting light while reflection.
The lens 30b is set to the second transition zone 416b and reflects the second exciting light that first exciting light is formed
In the optical path at place, the optical path of first exciting light is overlapped with the axis of the lens, the lens 30b receive by institute
The optical path for stating the second exciting light of the second transition zone outgoing is located at the side of the lens 30b axis, due to second conversion
Area 416b is arranged relative to first transition zone with scheduled angle tilt, so that the of the second transition zone 416b reflection
Two exciting lights and optical path of received first exciting light of the second transition zone 416b in the lens 30b are located at described
The opposite sides of lens 30b.
The optical path trend of the light-source system 100b other parts is identical as the light-source system 100a in embodiment one.Separately
Outside, the excitation light source 10b of the light-source system 100b, optics 20b, lens 30b, guide assembly 50b, reflection unit 60b,
Beam condensing unit 70b and dodging device 80b respectively in the light-source system 100a excitation light source 10a, optics 20a, thoroughly
Mirror 30a, guide assembly 50a, reflection unit 60a, beam condensing unit 70a and dodging device 80a structure correspond it is identical, herein
No longer repeated.
Embodiment three
Referring to Fig. 5, being the structural schematic diagram of the light-source system of third embodiment of the invention.The light-source system 100c packet
Include excitation light source 10c, optics 20c, lens 30c, colour wheel 40c, guide assembly 50c, beam condensing unit 70c and dodging device
80c。
Light-source system 100c in present embodiment and the light-source system 100a in embodiment one are essentially identical, difference
It is in in the structure and embodiment one of the structure of the colour wheel 40c of the light-source system 100c and the guide assembly 50c
The structure of colour wheel 40a and the structure of the guide assembly 50c are different.In addition, the light-source system 100c does not include reflection dress
It sets.
The colour wheel 40c includes colour wheel plate 41c and driving device 42c.The driving device 42c drives the colour wheel plate
41c rotation.Wherein the driving device 42c is identical as the driving device 42a in embodiment one, is no longer repeated herein.
Fig. 6 is please referred to, the colour wheel plate 41c is not identical as the structure of the colour wheel plate 41a in embodiment one.The color
The structure of the structure of wheel plate 41c and the colour wheel plate 41a the difference is that, the colour wheel plate 41c does not include filter area, only
Including transition zone 412c.The transition zone 412c equally includes the first transition zone 415c and the second transition zone 416c.
It the position of the transition zone 412c can shape with the transition zone 412a of the colour wheel plate 41a in embodiment one and position
It sets identical.Certainly, the position of the transition zone can also be adjusted correspondingly according to actual needs, and the present invention does not limit this
It is fixed.
The guide assembly 50c includes the first reflecting mirror 51c, diverging lens 52c, the second reflecting mirror 53c, third reflecting mirror
54c and condenser 55c.Similar with the light-source system 100a in embodiment one, the first reflecting mirror 51c receives the splicer
Second exciting light of part 20c outgoing, and received second exciting light is reflexed into diverging lens 52c.52c pairs of the diverging lens
The second exciting light received is emitted to the second reflecting mirror 53c after being dissipated.The second reflecting mirror 53c will reach it
On the second exciting light reflex to the third reflecting mirror 54c.Second exciting light of the third reflecting mirror 54c by arrival thereon
It reflexes to the condenser 55c and the optics 20c is transmitted through by the condenser 55c.
Similar with the light-source system 100a in embodiment one, the guide assembly 50c is for receiving the optics 20c
Second exciting light of outgoing, and second exciting light is reflexed into the optics 20c again.The difference is that
Guide assembly 50c described in present embodiment also sends out the second exciting light while guiding to the second exciting light
It dissipates.Preferably, the optical path for the second exciting light by guide assembly 50c reflection that the optics 20c is received and institute
The optical path for stating the stimulated light of the generation of the colour wheel 40c as described in the first excitation of optics 20c reflection is overlapped；It is i.e. described to swash
The etendue of luminous etendue and the stimulated light matches.Certainly, in other embodiments, the two
Optical path can also be adjusted correspondingly according to actual needs, and which is not limited by the present invention.
The beam condensing unit 70c is set to the second exciting light of the optics 20c outgoing and by the optics
20c reflection stimulated light where optical path on, for receive and assemble by the optics 20c outgoing the first exciting light and
By the optics 20c stimulated light reflected and it is emitted to the dodging device 80c.The dodging device 80c is to receiving
The second exciting light and stimulated light carry out dodging after be emitted.
Structure and optical path trend and the light-source system 100a in embodiment one of the light-source system 100c other parts
Corresponding part structure and optical path move towards identical, no longer repeated herein.
Example IV
Referring to Fig. 7, being the structural schematic diagram of the light-source system of fourth embodiment of the invention.The light-source system 100d packet
Include excitation light source 10d, optics 20d, lens 30d, colour wheel 40d, guide assembly 50d, beam condensing unit 70d and dodging device
80d。
Light-source system 100d in the present embodiment and the light-source system 100c in embodiment three are essentially identical, different
Place is that the structure of the guide assembly 50d is different from the structure of guide assembly 50c in the embodiment three.
The guide assembly 50d includes the first reflecting mirror 51d, convex reflecting mirror 52d and concave mirror 53d.Described
One reflecting mirror 51d receives the second exciting light being emitted by the optics 20d, and the second exciting light received is reflected
To the convex reflecting mirror 52d.The second exciting light received is reflexed to the concave mirror by the convex reflecting mirror 52d
53d, while second exciting light is dissipated.The concave mirror 53d is for anti-to the second exciting light received
It is incident upon the optics 20d.
Similar with the light-source system 100c in embodiment three, the second exciting light of the guide assembly 50c reflection reaches institute
Optical path after stating optics 20 is overlapped with the optical path of the optics 20d stimulated light reflected；I.e. described second exciting light
The etendue of etendue and the stimulated light match.Certainly, the position of the transition zone can also be according to reality
It needs to be adjusted correspondingly, which is not limited by the present invention.
Structure and optical path trend and the light-source system in embodiment one of the other parts of the light-source system 100d
The structure and optical path of the corresponding part of 100c move towards corresponding identical, are no longer repeated herein.
Compared with embodiment three, the light-source system 100d in present embodiment is using convex reflecting mirror 52d to described second
Exciting light carries out diverging processing, so as to reduce the use of optical element, and then can reduce the light-source system 100d's
Cost.
Embodiment five
Referring to Fig. 8, being the structural schematic diagram of the light-source system of fifth embodiment of the invention.The light-source system 100e packet
Include excitation light source 10e, optics 20e, lens 30e, colour wheel 40e, guide assembly 50e, beam condensing unit 70e and dodging device
80e。
Light-source system 100e in the present embodiment and the light-source system 100d in example IV are essentially identical, different
Place is that the structure of the guide assembly 50e is different from the structure of guide assembly 50d in the example IV.
The guide assembly 50e includes the first reflecting mirror 51e, the second reflecting mirror 52e and concave mirror 53e.Described
One reflecting mirror 51e receives the exciting light that is emitted by the optics 20e, and the exciting light received is reflexed to described the
Two-mirror 52e.In the present embodiment, the second reflecting mirror 52e is reflective diffusion sheet.The second reflecting mirror 52e
The exciting light received is reflexed into the concave mirror 53e, while the exciting light is dissipated.The concave reflection
Mirror 53e is for reflexing to the optics 20e to the exciting light received.It is appreciated that in the present embodiment can also be with
It is reflective diffusion sheet that the first reflecting mirror 51e, which is arranged, and the second reflecting mirror 52e is common reflecting mirror, and the present invention does not limit this
It is fixed.
Similar with the guide assembly 50d in the light-source system 100d in example IV, the guide assembly 50e is in reflection the
The second exciting light is dissipated while two exciting lights, and after second exciting light arrival optics 20e
The optical path of optical path and the optics 20e reflection stimulated light be overlapped；The etendue of the i.e. described exciting light and it is described by
The etendue of laser matches.Certainly, the position of the transition zone can also be adjusted correspondingly according to actual needs, this
Invention does not limit this.
Structure and optical path trend and the light-source system in example IV of the other parts of the light-source system 100e
The structure and optical path of the corresponding part of 100d move towards corresponding identical, are no longer repeated herein.
In addition, the present invention also provides a kind of optical projection systems using above-mentioned light-source system.
Light-source system provided by the invention can separate first exciting light with the optical path of second exciting light,
And the guide assembly of the light-source system can guide the second exciting light to optics, so that the light-source system
It is high with optical efficiency, at the same the feature that color is uniform, and the structure of the light-source system is more compact, volume reduces.
Embodiment of above is only used to illustrate the technical scheme of the present invention and not to limit it, although referring to the above preferable embodiment party
Formula describes the invention in detail, those skilled in the art should understand that, it can be to technical solution of the present invention
It modifies or equivalent replacement should not all be detached from the spirit and scope of technical solution of the present invention.
Claims (13)
1. a kind of light-source system, it is characterised in that: including for generating the first exciting light excitation light source, optics, lens,
Colour wheel and guide assembly, the colour wheel is for receiving first exciting light and being sequentially emitted the second exciting light and stimulated light；
First exciting light assembled and is emitted to the colour wheel by the lens, and will be also emitted by the colour wheel
Second exciting light and the stimulated light carry out collimation outgoing；
The optics can receive first exciting light and first exciting light can be emitted to the lens, institute
It states optics and second exciting light is emitted to the guide assembly；
The guide assembly is for receiving the second exciting light penetrated by the optics and to second exciting light
Optical path is changed, and is gone out after converging the optical path of second exciting light and the optical path of the stimulated light from the optics
It penetrates, optical path of the first exciting light and the second exciting light that the lens receive in the lens is in discrete state.
2. light-source system as described in claim 1, which is characterized in that the colour wheel includes transition zone, and the transition zone includes
First transition zone and the second transition zone, first transition zone convert incident first exciting light described in generation
The first exciting light received reflect and simultaneously send out first exciting light by stimulated light, second transition zone
It dissipates to form the second exciting light.
3. light-source system as claimed in claim 2, which is characterized in that second transition zone is relative to first transition zone
It is arranged in scheduled angle tilt.
4. light-source system as claimed in claim 3, which is characterized in that the optical path of first exciting light and the axis of the lens
Line is overlapped, and the optical path for the second exciting light by second transition zone outgoing that the lens receive is located at the lens axis
Side.
5. light-source system as claimed in claim 2, which is characterized in that the colour wheel further includes filter area, the filter area packet
The first filter area and the second filter area are included, first filter area is correspondingly arranged with first transition zone, and described first filters
For being filtered to the stimulated light, second filter area is correspondingly arranged with second transition zone in area, second filter
Light area is used to carry out second exciting light to transmit and dissipate simultaneously, and the filter area is set to the outer of the transition zone
Side.
6. light-source system as claimed in claim 5, which is characterized in that the guide assembly includes multiple reflecting mirrors, described more
The second exciting light being emitted by the optics is successively reflexed to the optics again and by described by a reflecting mirror
Optics transmission.
7. light-source system as claimed in claim 5, which is characterized in that the light-source system further includes reflection unit, optically focused dress
It sets and dodging device, the reflection unit receives the stimulated light reflected by the optics and transmitted by the optics
Second exciting light, and the stimulated light and second exciting light are reflexed into the beam condensing unit, the beam condensing unit will connect
The stimulated light and the second exciting light received is emitted to the filter area after being assembled, and the filter area is to the stimulated light received
It is filtered with the second exciting light and is transmitted through the dodging device.
8. light-source system as claimed in claim 2, which is characterized in that further include beam condensing unit and dodging device, the optically focused
Device receives the stimulated light reflected by the optics and the second exciting light transmitted by the optics, and will receive
Stimulated light and the second exciting light assembled after be emitted to the dodging device.
9. light-source system as claimed in claim 8, which is characterized in that the guide assembly include the first reflecting mirror, diverging lens,
Second reflecting mirror, third reflecting mirror and condenser, the exciting light being emitted by the optics is successively by first reflection
The splicer is arrived again at after mirror, the diverging lens, second reflecting mirror, the third reflecting mirror and the condenser
Part, the diverging lens are used to carry out second exciting light astigmatism operation, and guide assembly swashs in reflection receivable to described second
The etendue of second exciting light is capable of increasing while luminous.
10. light-source system as claimed in claim 8, which is characterized in that the guide assembly includes the first reflecting mirror, second anti-
Mirror and concave mirror are penetrated, first reflecting mirror, second reflecting mirror and the concave mirror successively will be by the conjunctions
Second exciting light of optical device outgoing reflexes to the optics again and is transmitted by the optics, and guide assembly exists
The etendue of second exciting light is capable of increasing while reflection receivable is to the second exciting light.
11. light-source system as claimed in claim 8, which is characterized in that the guide assembly is anti-including the first reflecting mirror, convex surface
Mirror and concave mirror are penetrated, first reflecting mirror, the convex reflecting mirror and the concave mirror successively will be by the conjunctions
Second exciting light of optical device outgoing reflexes to the optics again and is transmitted by the optics, and the concave surface is anti-
The second exciting light received can be dissipated by penetrating mirror, guide assembly energy while reflecting second exciting light
Enough increase the etendue of second exciting light.
12. light-source system as described in claim 1, which is characterized in that the optics can be through by the guidance group
Second exciting light of part reflection, and the second exciting light for being penetrated by the optics and by the optics reflect by
The optical path of laser is overlapped.
13. a kind of optical projection system, which is characterized in that the optical projection system includes the light as described in claim 1-12 any one
Source system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260863.2A CN109870871A (en) | 2017-12-04 | 2017-12-04 | Light-source system and optical projection system |
| PCT/CN2018/071450 WO2019109449A1 (en) | 2017-12-04 | 2018-01-04 | Light source system and projction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711260863.2A CN109870871A (en) | 2017-12-04 | 2017-12-04 | Light-source system and optical projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109870871A true CN109870871A (en) | 2019-06-11 |
Family
ID=66750028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711260863.2A Pending CN109870871A (en) | 2017-12-04 | 2017-12-04 | Light-source system and optical projection system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109870871A (en) |
| WO (1) | WO2019109449A1 (en) |
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| WO2020259615A1 (en) * | 2019-06-28 | 2020-12-30 | 深圳光峰科技股份有限公司 | Light source system and display apparatus |
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Application publication date: 20190611 |