CN108957766A - Optical light-combining wheel - Google Patents
Optical light-combining wheel Download PDFInfo
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- CN108957766A CN108957766A CN201810473457.2A CN201810473457A CN108957766A CN 108957766 A CN108957766 A CN 108957766A CN 201810473457 A CN201810473457 A CN 201810473457A CN 108957766 A CN108957766 A CN 108957766A
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- Prior art keywords
- laser projection
- optics
- transparent substrates
- rotary type
- combination wheel
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- 230000003287 optical effect Effects 0.000 title claims abstract description 88
- 239000000758 substrate Substances 0.000 claims abstract description 71
- 238000000576 coating method Methods 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 10
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 40
- 230000000694 effects Effects 0.000 abstract description 15
- 239000011247 coating layer Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 19
- 238000007747 plating Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000003667 anti-reflective effect Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 125000001475 halogen functional group Chemical group 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- XHGGEBRKUWZHEK-UHFFFAOYSA-L tellurate Chemical compound [O-][Te]([O-])(=O)=O XHGGEBRKUWZHEK-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/48—Laser speckle optics
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Mechanical Optical Scanning Systems (AREA)
Abstract
The invention discloses an optical light combining wheel which comprises a rotary light-transmitting substrate, an optical microstructure layer and an optical coating layer. The rotating type transparent substrate is provided with a first surface and a second surface opposite to the first surface, wherein the rotating type transparent substrate rotates around a central axis. The optical microstructure layer is arranged on the first surface or the second surface. The optical coating layer is arranged on the optical microstructure layer. At least one laser projection light source is projected on the first surface or the second surface of the rotary type light-transmitting substrate to form a laser projection beam projected from the second surface. Therefore, the invention can achieve the effects of combining laser and eliminating color spots.
Description
Technical field
The present invention relates to a kind of optics wheels, more particularly to a kind of optics light combination wheel that can be suitable for projector.
Background technique
The characteristics of projector first is that due to not needing fixed screen, will not be limited by screen size, as long as
There is a plane that can be used to project image, large-sized picture can be projected easily.Therefore, it has been widely used each
A field, such as the picture to be projected is amplified with projector applied in convention speech, or be applied to family's theater group.
However, the picture that existing projector is projected, in some cases can coloured speckle generate, and lead to picture
Matter is bad.
Therefore a kind of laser light combination that can be carried out a variety of wave bands and the optics light combination wheel for eliminating color spot point phenomenon how to be proposed,
To overcome above-mentioned defect, already become this technical field personage important topic to be solved.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of optics light combination wheel in view of the deficiencies of the prior art.
In order to solve the above technical problems, a wherein technical solution of the present invention is to provide a kind of optics conjunction
Halo comprising a rotary type transparent substrates, an optical microstructures layer and an optical coatings.The rotary type transparent substrates
With a first surface and a second surface relative to the first surface.The optical microstructures layer is set to described
On one surface or the second surface.The optical coatings are set on the optical microstructures layer.Wherein, an at least laser
Projection source is incident upon on the first surface or the second surface of the rotary type transparent substrates, to form one by described
Second surface projects and laser projection light beam out.
Further, the optics light combination wheel includes multiple laser projection light sources, and multiple laser projection light sources are thrown
It penetrates on the first surface or the second surface of the rotary type transparent substrates, it is multiple by the second surface to be formed
The laser projection light beam for projecting and going out.
Further, it includes: that one wavelength of projection is received between 450 nanometers to 495 that multiple laser projection light sources, which have,
The laser projection light source of laser between rice,；The laser for projecting laser of the wavelength between 495 nanometers to 570 nanometers is thrown
Penetrate light source；And the laser projection light source of laser of one wavelength of projection between 620 nanometers to 750 nanometers.
Further, multiple laser projection light sources are all incident upon first table of the rotary type transparent substrates
Face, to form the multiple laser projection light beams projected by the second surface.
Further, multiple laser projection light sources are all incident upon second table of the rotary type transparent substrates
Face, to form the multiple laser projection light beams projected by the second surface.
Further, first table of one of laser projection light source projects in the rotary type transparent substrates
Face, to form the one of laser projection light beam projected by the second surface, and another laser projection light source
It is incident upon the second surface of the rotary type transparent substrates, to form another projected by the second surface
Laser projection light beam.
Further, the optical microstructures layer has a roughness between 0.01 μm to 1 μm.
Further, the material of the optical microstructures layer is identical as the material of the rotary type transparent substrates.
Further, the optical microstructures layer is set on the first surface and the second surface.
The beneficial effects of the present invention are optics light combination wheel provided by the embodiment of the present invention can utilize " the micro- knot of optics
Structure layer is set on the first surface or second surface of rotary type transparent substrates " technical characteristic, to reach laser light combination and disappear
Except the effect of color spot phenomenon.
Be further understood that feature and technology contents of the invention to be enabled, please refer to below in connection with it is of the invention specifically
Bright and attached drawing, however provided attached drawing is merely provided for reference and description, is not intended to limit the present invention.
Detailed description of the invention
Fig. 1 is a perspective exploded view of first embodiment of the invention optics light combination wheel and rotating unit.
Fig. 2 is a Three-dimensional combination diagram of first embodiment of the invention optics light combination wheel and rotating unit.
Fig. 3 is a schematic top plan view of first embodiment of the invention optics light combination wheel.
Fig. 4 is a side view schematic cross-sectional view of first embodiment of the invention optics light combination wheel.
Fig. 5 is a diagrammatic side-view cross-sectional partial enlargement diagram of first embodiment of the invention optics light combination wheel.
Fig. 6 is one of laser light source projects schematic diagram of first embodiment of the invention optics light combination wheel.
Fig. 7 is another laser light source projects schematic diagram of first embodiment of the invention optics light combination wheel.
Fig. 8 is another laser light source projects schematic diagram of first embodiment of the invention optics light combination wheel.
Fig. 9 is one of laser light source projects schematic diagram of second embodiment of the invention optics light combination wheel.
Figure 10 is another laser light source projects schematic diagram of second embodiment of the invention optics light combination wheel.
Figure 11 is another laser light source projects schematic diagram of second embodiment of the invention optics light combination wheel.
Figure 12 is a diagrammatic side-view cross-sectional partial enlargement diagram of third embodiment of the invention optics light combination wheel.
Figure 13 is a diagrammatic side-view cross-sectional partial enlargement diagram of fourth embodiment of the invention optics light combination wheel.
Specific embodiment
It is to illustrate the presently disclosed embodiment party in relation to " optics light combination wheel " by particular specific embodiment below
Formula, those skilled in the art can understand advantages of the present invention and effect by content disclosed in this specification.The present invention can pass through
Other different specific embodiments are implemented or are applied, and the various details in this specification may be based on different viewpoints and answer
With, carry out without departing from the spirit of the present invention it is various modification and change.In addition, attached drawing of the invention is only that simple signal is said
It is bright, not according to the description of actual size, stated.Related skill of the invention will be explained in further detail in the following embodiments and the accompanying drawings
Art content, but the technical scope that disclosure of that is not intended to limit the invention.
It should be understood that although various elements or signal etc. may be described using term first, second, third, etc. herein,
But these elements or signal should not be limited by these terms.These terms are to distinguish an element and another element, Huo Zheyi
Signal and another signal.In addition, as used herein, term "or" may include depending on actual conditions and associated list project
Any of or multiple all combinations.
First embodiment
Firstly, Fig. 1 is the one of first embodiment of the invention optics light combination wheel and rotating unit shown in please referring to Fig.1 to Fig.3
Perspective exploded view, Fig. 2 are a Three-dimensional combination diagram of first embodiment of the invention optics light combination wheel and rotating unit, figure
3 be a schematic top plan view of first embodiment of the invention optics light combination wheel.First embodiment of the invention provides a kind of optics light combination
Q is taken turns, can be applied in a projection arrangement (not shown), optics light combination wheel Q can be by a rotating unit D (such as motor)
It is driven, so that optics light combination wheel Q can be rotated with a central axis C.Whereby, at least one or multiple laser projection light sources
It can be incident upon on optics light combination wheel Q, and the optical microstructures layer M by being arranged on optics light combination wheel Q (please refers to Fig. 4 extremely
Shown in Fig. 7) and achieve the effect that elimination or reduce color spot point.
Then, it please refers to shown in Fig. 4 and Fig. 5, and cooperates shown in Fig. 1 simultaneously, Fig. 4 is the conjunction of first embodiment of the invention optics
One side view schematic cross-sectional view of halo, Fig. 5 are that a diagrammatic side-view cross-sectional partial enlargement of first embodiment of the invention optics light combination wheel shows
It is intended to.It needs it is specifically intended that be easy to illustrate rotary type transparent substrates 1, optical microstructures layer M and optical coatings 2 three
Relationship between person, these attached drawings are not necessarily to scale.Specifically, optics light combination wheel Q includes a rotary type transparent substrates
1, an optical microstructures layer M and an optical coatings 2.There is rotary type transparent substrates 1 ontology 11, one to be located on ontology 11
First surface 12 (upper surface) and one be located on ontology 11 and relative to the second surface of first surface 12 13 (lower surface),
Wherein rotary type transparent substrates 1 can be rotated with a central axis C.In addition, rotary type transparent substrates 1 can be for translucent effect
Material, such as glass, wherein glass material can be selected from such as silicate, phosphate, borate and tellurate system person.Value
It must illustrate, in order to enable rotary type transparent substrates 1 that there is preferably rotation dynamic balancing ability, rotation in rotation
Formula transparent substrates 1 are generally in flat positive round disc-shaped structure, and so invention is not limited thereto.
Hold above-mentioned, referring back to shown in Fig. 5, optical microstructures layer M be may be disposed on first surface 12 or second surface 13,
And optical microstructures layer M at least covers 10% to 100% surface area of first surface 12 or second surface 13.With Fig. 5's
For embodiment, optical microstructures layer M and optical coatings 2 are arranged on the first surface 12 of rotary type transparent substrates 1, so
Invention is not limited thereto.It is worth noting that optical microstructures layer M can by grinding, being cast in, print, etch, sandblasting, mist
Change and the modes such as mold pressing are to be presented the optics of various shapes such as convex, concavo-convex, recess, graininess or atomization surface
Microstructured layers M, so invention is not limited thereto.That is, passing through the modes such as grinding, etching, sandblasting, atomization and mold pressing
It is formed by optical microstructures layer M, the material of optical microstructures layer M will be identical as the material of rotary type transparent substrates 1.Separately
Outside, color spot effect is preferably eliminated in order to reach, the optical microstructures layer is with one between 0.01 micron
(Micrometre, μm to the roughness between 1 micron.
Hold above-mentioned, referring back to shown in Fig. 5, optical coatings 2 are set on optical microstructures layer M, wherein optical coating
Layer 2 at least covers 10% to 100% surface area of first surface 12 or second surface 13.It is worth noting that, optics plating
Film layer 2 can be one of monofilm, duplicature or multilayer film person, and invention is not limited thereto.In addition, optical coatings
2 can be anti-reflective film (Anti-Reflection Coating) or highly reflecting films (High-Reflection
Coating), whereby, at least one or the multiple laser projection light sources being incident upon on optics light combination wheel Q can pass through optics plating
Film layer 2 and penetrate optics light combination wheel Q or reflected by optics light combination wheel Q.In addition, should be specified, although shown in Fig. 5
First embodiment in be that optical microstructures layer M is arranged on the first surface 12 of rotary type transparent substrates 1, and by optics plating
Film layer 2 is arranged on optical microstructures layer M, and still, in others are implemented, optical microstructures layer M and optical coatings 2 can also
To be arranged on the second surface 13 of rotary type transparent substrates 1.
Then, specifically, an at least laser projection light source or multiple laser projection light sources can be incident upon rotary type light transmission
On the first surface 12 or second surface 13 of substrate 1, thrown with forming one or more laser projected by second surface 13
Irradiating light beam.In other words, when optics light combination wheel Q includes multiple laser projection light sources, multiple laser projection light source projects are turning
On one of both first surface 12 and second surface 13 of dynamic formula transparent substrates 1, can be formed all is by second surface 13
The multiple laser projection light beams for projecting and going out.That is, no matter laser projection light source is to be incident upon first surface 12 or the second
On surface 13, the laser projection light beam projected by second surface 13 can be all formed, that is, the projecting direction of laser projection light beam
It is all directed towards same direction, and is all to project and go out from the same surface.Furthermore, it is understood that optical coatings 2 can be passed through
It determines that laser projection light source is worked as to penetrate optics light combination wheel Q or reflected by optics light combination wheel Q.
It holds above-mentioned, please refers to shown in Fig. 6, Fig. 6 is one of laser light of first embodiment of the invention optics light combination wheel
Source projects schematic diagram.For the embodiment of Fig. 6, laser projection light source is incident upon on first surface 12, however, at other
In embodiment, laser projection light source can also be incident upon on second surface 13.In addition, for first embodiment of the invention,
An at least laser projection light source is preferably blue laser projection source of the wavelength between 450 nanometers to 495 nanometers.In addition,
Specifically, following description will include multiple laser projection light source projects in optics light combination with optics light combination wheel Q
It is illustrated on wheel Q.Whereby, in embodiment as shown in FIG. 6, multiple laser projection light source projects are in rotary type transparent substrates 1
First surface 12 after, multiple laser projection light beams projected by second surface 13 can be formed.In addition, multiple laser are thrown
The laser projection light source and a wavelength that penetrating light source can also have a wavelength between 495 nanometers to 570 nanometers are received between 620
Rice is to the laser projection light source between 750 nanometers.In other words, multiple laser projection light sources can be blue laser projection light
Source, green laser projection source and red laser projection source.
Hold it is above-mentioned, referring back to may include shown in Fig. 6, in multiple laser projection light sources a first laser projection source L1,
An one second laser projection source L2 and third laser projection light source L3.For example, first laser projection source L1 is projected
On the first surface 12 of rotary type transparent substrates 1, one can be formed and projected by the first laser that second surface 13 projects
Light beam R1.Second laser projection source L2 is incident upon on the first surface 12 of rotary type transparent substrates 1, to form one by the second table
Face 13 projects and second laser projecting beam R2 out.Third laser projection light source L3 is incident upon the of rotary type transparent substrates 1
On one surface 12, to form a third laser projection light beam R3 projected by second surface 13.That is, first surface
12 can be used as the incidence surface of optics light combination wheel Q, and second surface 13 can be used as the light-emitting surface of optics light combination wheel Q.It should be noted that
In other embodiments, first laser projection source L1, second laser projection source L2 and third laser projection light source L3
It can also be incident upon on the second surface 13 of rotary type transparent substrates 1, to be respectively formed projected by second surface 13
One laser projection light beam R1, second laser projecting beam R2 and third laser projection light beam R3.In addition, for example, first
For the wavelength of laser projection light source L1 between 450 nanometers to 495 nanometers, the wavelength of second laser projection source L2 can be between wave
It is long between 495 nanometers to 570 nanometers, the wavelength of third laser projection light source L3 can between 620 nanometers to 750 nanometers it
Between, so invention is not limited thereto.
Hold above-mentioned, in the embodiment of fig. 6, optical coatings 2 can be anti-reflective film, so, multiple laser projections
Light source (first laser projection source L1, second laser projection source L2 and third laser projection light source L3) is all incident upon rotation
On the first surface 12 of formula transparent substrates 1, to form the multiple laser projection light beams projected by second surface 13, (first swashs
Light projection light beam R1, second laser projecting beam R2 and third laser projection light beam R3).Whereby, first laser projection source
L1, second laser projection source L2 and third laser projection light source L3 can sequentially pass through optical coatings 2, optical microstructures
Layer M, the first surface 12 of rotary type transparent substrates 1, the ontology 11 of rotary type transparent substrates 1 and rotary type transparent substrates 1
Second surface 13, and form multiple first laser projecting beam R1, second laser projection lights projected by second surface 13
Beam R2 and third laser projection light beam R3.It is worth noting that in the present embodiment, in order to improve first laser projection light
Source L1, second laser projection source L2 and third laser projection light source L3 by the light combination effect after optics light combination wheel Q and disappear
Except the effect of color spot point, optical microstructures layer M has a roughness between 0.01 μm to 1 μm, and optical coatings 2
With the refractive index between 1.2 to 1.9.
Then, it please refers to shown in Fig. 7, Fig. 7 is another laser light source of first embodiment of the invention optics light combination wheel
Project schematic diagram.For the embodiment of Fig. 7, multiple laser projection light sources (throw by first laser projection source L1, second laser
Penetrate light source L2 and third laser projection light source L3) it is all incident upon the second surface 13 of rotary type transparent substrates 1, to be formed by the
Two surfaces 13 projection and go out multiple laser projection light beams (first laser projecting beam R1, second laser projecting beam R2 and
Third laser projection light beam R3).In addition, optical coatings 2 can be a highly reflecting films, and in the configuration of projector's overall structure
It considers down, can use the mode of reflection, so that multiple laser projection light beams are projected by second surface 13.In other words,
Multiple laser projection light sources can sequentially pass through the ontology of the second surface 13 of rotary type transparent substrates 1, rotary type transparent substrates 1
11, the first surface 12 of rotary type transparent substrates 1, optical microstructures layer M and optical coatings 2, then by optical coatings 2
Reflection after, by rotary type transparent substrates 1 second surface 13 project and go out.It is worth noting that in the present embodiment, being
Raising first laser projection source L1, second laser projection source L2 and third laser projection light source L3 pass through optics light combination
The effect of light combination effect and elimination color spot point after taking turns Q, optical microstructures layer M are thick between 0.01 μm to 1 μm with one
Rugosity, and the refractive index of optical coatings 2 having between 1.2 to 1.9.
Then, it please refers to shown in Fig. 8, Fig. 8 is that another laser light source of first embodiment of the invention optics light combination wheel is thrown
Penetrate schematic diagram.For the embodiment of Fig. 8, one of laser projection light source projects in multiple laser projection light sources are turning
The first surface 12 of dynamic formula transparent substrates 1, with its formed in the multiple laser projection light beams projected by second surface 13
In a laser projection light beam.Another laser projection light source projects in multiple laser projection light sources are in rotary type light transmission base
The second surface 13 of plate 1, with another laser formed in the multiple laser projection light beams projected by second surface 13
Projecting beam.In other words, a part of laser projection light source can be selected according to the material of optical coatings 2, and to penetrate
Mode and towards far from second surface 13 direction projection and go out, the laser projection light source of another part can be according to optics plating
The material of film layer 2 selects, and is gone out in a manner of reflection towards the direction projection far from second surface 13.
Specifically, referring back to shown in Fig. 8, second laser projection source L2 and third laser projection light source L3 can be with
Sequentially pass through optical coatings 2, optical microstructures layer M, the first surface 12 of rotary type transparent substrates 1, rotary type transparent substrates 1
Ontology 11 and rotary type transparent substrates 1 second surface 13, and form the second laser that is projected by second surface 13
Projecting beam R2 and third laser projection light beam R3.In addition, first laser projection source L1 can be incident upon rotary type light transmission
On the second surface 13 of substrate 1, and sequentially pass through the ontology 11 of rotary type transparent substrates 1, the first table of rotary type transparent substrates 1
After face 12, optical microstructures layer M and optical coatings 2, then reflection by optical coatings 2, by rotary type transparent substrates 1
Second surface 13 projection and go out.In other words, optical coatings 2, which have, allows second laser projection source L2 and third laser
The wavelength of projection source L3 can penetrate and light transmittance excessively, and optical coatings 2 also have reflection first laser projection source
The reflectivity of the wavelength of L1.
Second embodiment
Firstly, please referring to shown in Fig. 9, Fig. 9 is one of laser light source of second embodiment of the invention optics light combination wheel
Project schematic diagram.As Fig. 9 it is found that optics light combination wheel Q provided by second embodiment of the invention and first is implemented compared with Fig. 6
Example provided by optics light combination wheel Q it is maximum the difference is that: the optical microstructures of optics light combination wheel Q provided by second embodiment
Layer M and optical coatings 2 are arranged on the second surface 13 of rotary type transparent substrates 1.It should be noted that in second embodiment
Structure feature and aforementioned first embodiment in provided optics light combination wheel Q is similar, holds repeat no more herein.Below for
The projected path of multiple laser projection light sources is described in detail.
Referring back to shown in Fig. 9, for example, optical coatings 2 can be primary antibody reflectance coating, and whereby, multiple laser are thrown
Penetrating light source (first laser projection source L1, second laser projection source L2 and third laser projection light source L3) can sequentially lead to
Cross the first table of the second surface 13 of rotary type transparent substrates 1, the ontology 11 of rotary type transparent substrates 1, rotary type transparent substrates 1
Face 12, optical microstructures layer M and optical coatings 2, and form the multiple laser projection light projected by second surface 13
Beam (first laser projecting beam R1, second laser projecting beam R2 and third laser projection light beam R3).It is worth noting that
In the present embodiment, in order to improve first laser projection source L1, second laser projection source L2 and third laser projection
Light source L3 pass through optics light combination wheel Q after light combination effect and eliminate color spot point effect, optical microstructures layer M have one between
Roughness between 0.01 μm to 1 μm, and the refractive index of optical coatings 2 having between 1.2 to 1.9.
Then, it please refers to shown in Figure 10, Figure 10 is another laser light of second embodiment of the invention optics light combination wheel
Source projects schematic diagram.For example, optical coatings 2 can be a highly reflecting films, whereby, multiple laser projection light sources (first
Laser projection light source L1, second laser projection source L2 and third laser projection light source L3) it can be by optical coatings 2
It after reflection, is projected by the second surface 13 of rotary type transparent substrates 1 and is gone out, and form multiple laser projection light beam (first lasers
Projecting beam R1, second laser projecting beam R2 and third laser projection light beam R3).
Then, it please refers to shown in Figure 11, Figure 11 is another laser light source of second embodiment of the invention optics light combination wheel
Project schematic diagram.In the embodiment of Figure 11, optical coatings 2, which can have, allows second laser projection source L2 and third laser
The wavelength of projection source L3 can penetrate and light transmittance excessively, and optical coatings 2 also have reflection first laser projection source
The reflectivity of the wavelength of L1.Whereby, second laser projection source L2 and third laser projection light source L3 can be sequentially by turning
The first surface 12 of dynamic formula transparent substrates 1, the ontology 11 of rotary type transparent substrates 1, rotary type transparent substrates 1 second surface
13, optical microstructures layer M and optical coatings 2, and form the second laser projecting beam projected by second surface 13
R2 and third laser projection light beam R3.In addition, first laser projection source L1 can be incident upon on optical coatings 2, then by
To after the reflection of optical coatings 2, is projected by the second surface 13 of rotary type transparent substrates 1 and gone out.
3rd embodiment
Firstly, please referring to shown in Figure 12, Figure 12 is the diagrammatic side-view cross-sectional part of third embodiment of the invention optics light combination wheel
Enlarged diagram.As Figure 12 it is found that optics light combination wheel Q provided by third embodiment of the invention and first is real compared with Fig. 5
Apply optics light combination wheel Q provided by example it is maximum the difference is that: optics light combination wheel Q provided by 3rd embodiment is also further wrapped
Include the optical coatings 2 being arranged on the second surface 13 of rotary type transparent substrates 1.Whereby, saturating in rotary type by being arranged
Optical coatings 2 on the second surface 13 of photopolymer substrate 1 can further change the light combination effect of multiple laser projection light sources.
In addition, it should be noted that, throwing of multiple laser projection light sources for optical coatings 2 provided by 3rd embodiment
Mode is penetrated, can also hold do not repeat herein such as the content illustrated in aforementioned first embodiment and second embodiment.
Fourth embodiment
Firstly, please referring to shown in Figure 13, Figure 13 is the diagrammatic side-view cross-sectional part of fourth embodiment of the invention optics light combination wheel
Enlarged diagram.As Figure 13 it is found that optics light combination wheel Q provided by fourth embodiment of the invention and first is real compared with Fig. 5
Apply optics light combination wheel Q provided by example it is maximum the difference is that: optics light combination wheel Q provided by fourth embodiment is also further wrapped
The optical microstructures layer M and one that one is arranged on the second surface 13 of rotary type transparent substrates 1 is included to be arranged in the micro- knot of the optics
Optical coatings 2 on structure layer M.Whereby, the optical microstructures by being arranged on the second surface 13 of rotary type transparent substrates 1
Layer M and the optical coatings 2 being arranged on optical microstructures layer M can further change the light combination of multiple laser projection light sources
Effect.
In addition, it should be noted that, throwing of multiple laser projection light sources for optical coatings 2 provided by fourth embodiment
Mode is penetrated, can also hold do not repeat herein such as the content illustrated in aforementioned first embodiment and second embodiment.
The beneficial effect of embodiment
The beneficial effects of the present invention are, optics light combination wheel Q provided by the embodiment of the present invention, it can use that " optics is micro-
The technical characteristic of structure sheaf M ", to achieve the effect that laser light combination and eliminate color spot phenomenon.
Content disclosed above is only preferred possible embodiments of the invention, not thereby limits to right of the invention and wants
The protection scope of book is sought, so all equivalence techniques variations done with description of the invention and accompanying drawing content, are both contained in
In the protection scope of claims of the present invention.
Claims (9)
1. a kind of optics light combination wheel, which is characterized in that the optics light combination wheel includes:
One rotary type transparent substrates, the rotary type transparent substrates have a first surface and one relative to the first surface
Second surface；
One optical microstructures layer, the optical microstructures layer are set on the first surface or the second surface；And
One optical coatings, the optical coatings are set on the optical microstructures layer；
Wherein, the first surface or second table of at least laser projection light source projects in the rotary type transparent substrates
On face, to form at least one laser projection light beam projected by the second surface.
2. optics light combination wheel according to claim 1, which is characterized in that the optics light combination wheel includes multiple laser
Projection source, multiple laser projection light source projects are in the first surface of the rotary type transparent substrates or described second
On surface, to form multiple laser projection light beams projected by the second surface.
3. optics light combination wheel according to claim 2, which is characterized in that multiple laser projection light sources include: projection
The laser projection light source of laser of one wavelength between 450 nanometers to 495 nanometers；A wavelength is projected between 495 nanometers to 570
The laser projection light source of laser between nanometer；And laser of one wavelength of projection between 620 nanometers to 750 nanometers is sharp
Light projection light source.
4. optics light combination wheel according to claim 2, which is characterized in that multiple laser projection light sources are all incident upon institute
The first surface of rotary type transparent substrates is stated, to form the multiple laser projections projected by the second surface
Light beam.
5. optics light combination wheel according to claim 2, which is characterized in that multiple laser projection light sources are all incident upon institute
The second surface of rotary type transparent substrates is stated, to form the multiple laser projections projected by the second surface
Light beam.
6. optics light combination wheel according to claim 2, which is characterized in that one of them described laser projection light source projects exists
The first surface of the rotary type transparent substrates is thrown with being formed by one of laser that the second surface projects
Irradiating light beam, and another laser projection light source projects is in the second surface of the rotary type transparent substrates, with formed by
The second surface projects and another laser projection light beam out.
7. optics light combination wheel according to claim 1, which is characterized in that the optical microstructures layer is with one between 0.01
μm to the roughness between 1 μm.
8. optics light combination wheel according to claim 1, which is characterized in that the material of the optical microstructures layer and described turn
The material of dynamic formula transparent substrates is identical.
9. optics light combination wheel according to claim 1, which is characterized in that the optical microstructures layer is set to described first
On surface and the second surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106116660A TWI632421B (en) | 2017-05-19 | 2017-05-19 | Optical wheel |
| TW106116660 | 2017-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108957766A true CN108957766A (en) | 2018-12-07 |
Family
ID=63959670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810473457.2A Pending CN108957766A (en) | 2017-05-19 | 2018-05-17 | Optical light-combining wheel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108957766A (en) |
| TW (1) | TWI632421B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665579A (en) * | 2019-03-08 | 2020-09-15 | 台湾彩光科技股份有限公司 | Diffusion color wheel with different haze and illumination module of projection device |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201901279A (en) | 2019-01-01 |
| TWI632421B (en) | 2018-08-11 |
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