CN208283588U - A kind of optical integration prism and light integrator device - Google Patents
A kind of optical integration prism and light integrator device Download PDFInfo
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- CN208283588U CN208283588U CN201820772169.2U CN201820772169U CN208283588U CN 208283588 U CN208283588 U CN 208283588U CN 201820772169 U CN201820772169 U CN 201820772169U CN 208283588 U CN208283588 U CN 208283588U
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- plane
- optical integration
- prism
- exit facet
- incidence
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Abstract
The utility model discloses a kind of optical integration prisms, prism ontology includes the plane of incidence being oppositely arranged and exit facet and the fully reflecting surface between the plane of incidence and exit facet, the plane of incidence is set to the bottom end of prism ontology, exit facet is set to the top of prism ontology, and fully reflecting surface is set to the side of prism ontology；The profile of the plane of incidence and exit facet is in polygon, fully reflecting surface includes several fully-reflected plane units, fully-reflected plane unit includes planar delta unit triangular in shape, one vertex of planar delta unit is the vertex of exit facet, and the another two vertex of planar delta unit is the vertex of the plane of incidence；The invention also discloses a kind of light integrator devices, it includes optical integration prism group, the bracket for being set in optical integration prism group periphery and the bracket base for placing optical integration prism group and bracket, and bracket base is provided with optical integration face with the opposite face of optical integration prism group；Optical integration prism group includes several optical integration prism splicing；It is able to achieve better light mixing effect and realizes the smaller light of shooting angle.
Description
Technical field
The utility model relates to a kind of optical integration prism and a kind of light integrator devices.
Background technique
Currently, traditional light integrator institute is generally provided with light integrator using Optical devices, light source pass through into
The face of penetrating is refracted into inside light integrator, and is reflected light from exit facet by multiple total reflection and be emitted.And traditional light
It learns integrator and has the disadvantage that 1, traditional light integrator is mostly cylindrical or rectangular output face, lead to traditional optical product
The combination for dividing device is mostly irregular abnormity, causes outgoing efficiency not high；And the shape combined when splicing and using cannot
A complete shape is formed, causes exit facet utilization rate lower；2, the light integrator of the prior art is set due to light-emitting angle
Meter is limited, can not accomplish sufficiently small angle；3, after existing light integrator lower planes connection, 4 reflectings surface are commonly,
The mixing number of light is less, cannot achieve the uniform mixed light to light source.
Utility model content
The purpose of the utility model is to provide a kind of optical integration prism and light integrator device, it is able to achieve preferably
Light mixing effect and the realization smaller light of shooting angle.
To achieve the above object, a kind of optical integration prism provided by the utility model comprising prism ontology, it is described
Prism ontology includes the plane of incidence being oppositely arranged and exit facet and the fully reflecting surface between the plane of incidence and exit facet,
The plane of incidence is set to the bottom end of the prism ontology, and the exit facet is set to the top of the prism ontology, the total reflection
Face is set to the side of the prism ontology；The profile of the plane of incidence and exit facet is in polygon, if the fully reflecting surface includes
Dry fully-reflected plane unit, the fully-reflected plane unit includes planar delta unit triangular in shape, the planar delta
One vertex of unit is the vertex of the exit facet, and the another two vertex of the planar delta unit is the top of the plane of incidence
Point.
In above-mentioned optical integration prism, the fully-reflected plane unit further includes the inverted triangle plane list in up-side down triangle
Member, a vertex of the inverted triangle flat unit are the vertex of the plane of incidence, the another two of the inverted triangle flat unit
Vertex is the vertex of the exit facet.
In above-mentioned optical integration prism, the fully-reflected plane unit further includes the quadrangle flat unit in quadrangle, institute
Two vertex for stating quadrangle flat unit are the vertex of the plane of incidence, and the another two vertex of the quadrangle flat unit is described
The vertex of exit facet.
In above-mentioned optical integration prism, the profile parallelogram of the exit facet.
In above-mentioned optical integration prism, the profile of the exit facet is hexagonal or triangle.
In above-mentioned optical integration prism, the quantity of the fully-reflected plane unit is at least six.
In above-mentioned optical integration prism, the area ratio of the exit facet and the plane of incidence is greater than 1.6.
In above-mentioned optical integration prism, the exit facet and the plane of incidence are flat unit, the exit facet with it is described
The plane of incidence is parallel to each other, and the distance between the plane of incidence and the exit facet are the length of the longest edge of the plane of incidence
10-15 times.
A kind of light integrator device provided by the utility model comprising optical integration prism is set in the light
Learn the bracket of integral prism periphery and positioned at the plane of incidence side of the optical integration prism for placing the optics product
The bracket base of point prism and the bracket, the bracket base are provided with optics with the opposite face of the optical integration prism
Integral face；The optical integration prism includes the optical integration prism splicing described in several, several described optical integration ribs
The close split of the exit facet of mirror forms the exit facet of the optical integration prism；The material in the optical integration face is optical integration
Material.
In above-mentioned light integrator device, the profile of the exit facet of the optical integration prism is in regular hexagon.
A kind of optical integration prism and a kind of light integrator device provided by above-mentioned technical proposal, with the prior art
It compares, advantageous effects include: 1, pass through at least six reflectings surface of setting, increase the light of light source in optical integration prism
Internal total reflection number improves optical integration prism to the light mixing effect of light source incidence light；Since general LED light emitting source is
The plane of incidence of rectangle is arranged in rectangle, and more light is enable to be incident to optical integration prism；And pass through the outgoing of setting polygon
Face is capable of the splicing of better implementation rule when multiple optical integration prisms splice and cooperate, increases the utilization rate of exit facet；It is logical
The vertex for crossing vertex two exit facets adjacent with the vertex two sides of the plane of incidence is combined into three vertex of positive triangle side, with
And three tops of inverted triangle side are combined by the vertex of exit facet and the vertex of two adjacent two planes of incidence in the vertex
Point realizes more sides setting of optical integration prism, increases the total reflection number of incident light, improve the uniformity of light outgoing.2,
It is spliced into optical integration prism group by multiple optical integration prisms, respectively corresponds the plane of incidence of single optical integration prism respectively
A LED chip, and by the way that the exit facet of several optical integration prisms is spliced into an entirety, to greatest extent using each
Exit facet mixes the light of the emergent ray of light integrator device more uniform；And make light integrator device big
Under the arrangement form of power combination, the smallest lighting area is realized.
Detailed description of the invention
Fig. 1 is one of the elevational schematic view of the optical integration prism of the utility model；
Fig. 2 is the two of the elevational schematic view of the optical integration prism of the utility model；
Fig. 3 is the three of the elevational schematic view of the optical integration prism of the utility model；
Fig. 4 is the four of the elevational schematic view of the optical integration prism of the utility model；
Fig. 5 is one of the structural schematic diagram of the optical integration prism of the utility model；
Fig. 6 is the second structural representation of the optical integration prism of the utility model；
Fig. 7 is the third structural representation of the optical integration prism of the utility model；
Fig. 8 is the four of the structural schematic diagram of the optical integration prism of the utility model；
Fig. 9 is the structural schematic diagram of the light integrator device of the utility model；
Figure 10 is one of the structural schematic diagram of the optical integration prism group exit facet of the utility model；
Figure 11 is the second structural representation of the optical integration prism group exit facet of the utility model；
Figure 12 is the third structural representation of the optical integration prism group exit facet of the utility model；
Figure 13 is the four of the structural schematic diagram of the optical integration prism group exit facet of the utility model；
Figure 14 is the five of the structural schematic diagram of the optical integration prism group exit facet of the utility model；
Figure 15 is the six of the structural schematic diagram of the optical integration prism group exit facet of the utility model；
Figure 16 is the seven of the structural schematic diagram of the optical integration prism group exit facet of the utility model.
Wherein, the 1- plane of incidence, 2- exit facet, 3- planar delta unit, 4- inverted triangle flat unit, tetra- angle plane list of 5-
Member, 6-LED chip, 7- bracket base, 8- optical integration prism group, 9- bracket.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Please refer to attached drawing 1-2, a kind of optical integration prism provided by the utility model comprising prism ontology, it is described
Prism ontology includes the plane of incidence 1 being oppositely arranged and exit facet 2 and being all-trans between the plane of incidence 1 and exit facet 2
Face is penetrated, the plane of incidence 1 is set to the bottom end of the prism ontology, and the exit facet 2 is set to the top of the prism ontology, described
Fully reflecting surface is set to the side of the prism ontology；The profile of the plane of incidence 1 and exit facet 2 is in polygon, the total reflection
Face includes several fully-reflected plane units, and the fully-reflected plane unit includes planar delta unit 3 triangular in shape, described
One vertex of planar delta unit 3 is the vertex of the exit facet 2, and the another two vertex of the planar delta unit 3 is institute
State the vertex of the plane of incidence 1.
Based on above-mentioned technical characteristic, light is incident to the prism ontology by the plane of incidence 1, in the fully reflecting surface
It is totally reflected, and is emitted to the exit facet 2；By the way that the plane of incidence 1 in polygon is arranged, make the plane of incidence 1 can
Setting of different shapes is carried out according to the different shape of light source, light as much as possible is enable to be incident to the optical integration rib
Mirror, and it is provided with the exit facet 2 in polygon, when splicing and combining multiple optical integration prisms, Duo Gesuo
A complete exit facet can be spliced by stating exit facet 2, increase the utilization rate of the exit facet 2；And by setting in triangle
The planar delta unit 3 of shape increases order of reflection of the light in the fully reflecting surface, improves uniformity when beam projecting.
In the present embodiment, the plane of incidence 1 is rectangle, and the plane of incidence 1 is made to be able to cooperate most of light source chip in rectangle.
The fully-reflected plane unit further includes the inverted triangle flat unit 4 in up-side down triangle, the inverted triangle plane list
One vertex of member 4 is the vertex of the plane of incidence 1, and the another two vertex of the inverted triangle flat unit 4 is the exit facet 2
Vertex；By the way that the inverted triangle flat unit 4 is arranged, cooperates with the planar delta unit 3, be combined into multi-sided
The prism ontology increases light in the refraction number of the prism body interior, improves the light mixing degree and outgoing of light
Uniformity.
The fully-reflected plane unit further includes the quadrangle flat unit 5 in quadrangle, and the two of the quadrangle flat unit 5
A vertex is the vertex of the plane of incidence 1, and the another two vertex of the quadrangle flat unit 5 is the vertex of the exit facet 2；It is logical
It crosses and the quadrangle flat unit 5 is set, cooperate the inverted triangle flat unit 4 and the planar delta unit 3, be combined into more
The optical integration prism of side, improves the light mixing effect of the optical integration prism.
The profile parallelogram of the exit facet 2 makes the periphery of the prism ontology by the planar delta unit 3
And inverted triangle flat unit 4 sequentially surrounds composition, increases the total reflection number of light；It is wherein preferred, parallel four side
Shape is diamond shape or rectangle, preferably realizes the splicing assembly of multiple optical integration prisms, improves the use of the exit facet 2
Rate.
The profile of the exit facet 2 is hexagonal or triangle；Make the periphery of the prism ontology by quadrangle flat unit
5, the planar delta unit 3 and inverted triangle flat unit 4 form, and increase institute when total reflection number and the splicing of light
The systematicness of exit facet 2 is stated, preferably.The hexagon is regular hexagon, and the triangle is equilateral triangle.
The quantity of the fully-reflected plane unit is at least six；Preferably make incident ray in the prism ontology into
Row total reflection, realizes the better light mixing effect of emergent ray.
The area ratio of the exit facet 2 and the plane of incidence 1 is greater than 1.6, and the exit facet and the plane of incidence are plane
Unit, the exit facet 2 are parallel to each other with the plane of incidence 1, and the distance between the plane of incidence and the exit facet are described
10-15 times of the length of the longest edge of the plane of incidence；By actual conditions select suitable area the plane of incidence 1 and it is described go out
It penetrates face 2 and selects the length of the corresponding optical integration prism according to the length computation of the longest side length of the plane of incidence,
Ensure that light is able to carry out total reflection no less than three times in the optical integration prism, the light mixing effect realized and subtracts
The light source shooting angle of the small optical integration prism.Wherein, due to the plane of incidence, the exit facet of the optical integration prism
And reflecting surface is flat unit, conducive to the cold working of production.
Wherein, different from 1 inflection point of the plane of incidence by being arranged to the exit facet 2 refering to attached drawing 1 or 2
Rectangle or diamond shape, making can be with exit facet 2 described on adjacent vertical direction in each vertex of the plane of incidence 1 of rectangle
Two vertex connect to form the independent fully reflecting surface, and by connection between face and face, generating has eight
The prism ontology of fully reflecting surface, the fully reflecting surface include the planar delta unit and the inverted triangle plane list
Member.Preferably, it is overlapped in the exit facet 2 of rectangle or diamond shape in 1 diagonal line of the plane of incidence of rectangle.
Refering to attached drawing 3, by the way that the exit facet 2 is arranged to hexagon, make in the plane of incidence 1 of rectangle each
Vertex can connect to form the independent total reflection with two vertex of exit facet 2 described on adjacent vertical direction
Face, and by the connection between face and face, the prism ontology with eight fully reflecting surfaces is generated, the fully reflecting surface includes
The planar delta unit, the inverted triangle flat unit and quadrangle flat unit.
Make two of the plane of incidence 1 in rectangle by the way that the exit facet 2 is arranged to equilateral triangle refering to attached drawing 4
A adjacent a vertex can be connect with two vertex of exit facet 2 described on adjacent vertical direction to be formed one it is independent described complete
Reflecting surface, described other two adjacent vertex of the plane of incidence 1 and it is described be that vertically opposite two vertex of exit facet 2 form one solely
Vertical fully reflecting surface, and by the connection between face and face, generating tool, there are six the prism ontologies of fully reflecting surface, described complete
Reflecting surface includes the planar delta unit, the inverted triangle flat unit and quadrangle flat unit.
Refering to attached drawing 9, the utility model also provides a kind of light integrator device comprising optical integration prism group 8, set
It is located at the bracket 9 of 8 periphery of optical integration prism group and the use positioned at the plane of incidence side of the optical integration prism group 8
In the bracket base 7 for placing the optical integration prism group 8 with the bracket 9, the bracket base 7 with the optical integration
The opposite face of prism group 8 is provided with optical integration face；The optical integration prism group 8 includes the optical integration rib described in several
Mirror splicing, the close split of exit facet of several optical integration prisms form the exit facet of the optical integration prism group 8；
The material in the optical integration face is optical material；The optical integration prism group 8 is spelled by optical integration prism described in several
It connects and is composed；It is spliced into the optical integration prism group 8 by multiple optical integration prisms, makes the single optics product
The plane of incidence 1 of prism is divided to respectively correspond each LED chip 6, incident light enters the optical integration prism by the incidence surface
The plane of incidence of group 8；By the way that the exit facet of several optical integration prisms is spliced into an entirety, utilize to greatest extent
Each exit facet 2 mixes the light of the emergent ray of the light integrator device more uniform；And make the light
Integrator arrangement is learned under the arrangement form of high power combination, realizes the smallest lighting area.
The exit facet of the optical integration prism group 8 is regular hexagon, by being in equilateral three by several described exit facets 2
The optical integration prism that the angular optical integration prism and/or several described exit facets 2 assume diamond in shape is spliced into out
The optical integration prism group 8 that face is in regular hexagon is penetrated, the exit facet of the optical integration prism group 8 can be preferably improved
Utilization rate；Wherein, 8 exit facet of optical integration prism group splicing is not limited only to regular hexagon, can be by refering to attached drawing 10-16
The optical integration prism several different is spliced into other geometric figures.
In the present embodiment, the material of the optical integration prism is optical glass or silica gel or PMMA, PC or quartz, can root
Different materials is taken to make the optical integration prism according to the demand of different scenes.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
Member for, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these improve and
Replacement also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of optical integration prism, which is characterized in that it includes prism ontology, and the prism ontology includes entering of being oppositely arranged
Face and exit facet and the fully reflecting surface between the plane of incidence and exit facet are penetrated, the plane of incidence is set to the prism sheet
The bottom end of body, the exit facet are set to the top of the prism ontology, and the fully reflecting surface is set to the side of the prism ontology；
The profile of the plane of incidence and exit facet is in polygon, and the fully reflecting surface includes several fully-reflected plane units, institute
Stating fully-reflected plane unit includes planar delta unit triangular in shape, and a vertex of the planar delta unit goes out for described in
The vertex in face is penetrated, the another two vertex of the planar delta unit is the vertex of the plane of incidence.
2. optical integration prism as described in claim 1, which is characterized in that the fully-reflected plane unit further includes in three
Angular inverted triangle flat unit, a vertex of the inverted triangle flat unit are the vertex of the plane of incidence, it is described fall three
The another two vertex of angle plane unit is the vertex of the exit facet.
3. optical integration prism as claimed in claim 2, which is characterized in that the fully-reflected plane unit further includes in four sides
The quadrangle flat unit of shape, two vertex of the quadrangle flat unit are the vertex of the plane of incidence, the four angle planes list
The another two vertex of member is the vertex of the exit facet.
4. optical integration prism as claimed in claim 2, which is characterized in that the profile parallelogram of the exit facet.
5. optical integration prism as claimed in claim 3, which is characterized in that the profile of the exit facet is hexagonal or triangle
Shape.
6. optical integration prism as described in any one in claim 1-5, which is characterized in that the number of the fully-reflected plane unit
Amount is at least six.
7. optical integration prism as described in any one in claim 1-5, which is characterized in that the exit facet and the plane of incidence
Area ratio be greater than 1.6.
8. optical integration prism as claimed in claim 7, which is characterized in that the exit facet is plane list with the plane of incidence
Member, the exit facet are parallel to each other with the plane of incidence, and the distance between the plane of incidence and the exit facet are the incidence
10-15 times of the length of the longest edge in face.
9. a kind of light integrator device, which is characterized in that it includes optical integration prism group, is set in the optical integration rib
The bracket of microscope group periphery and positioned at the plane of incidence side of the optical integration prism group for placing the optical integration rib
The bracket base of microscope group and the bracket, the bracket base are provided with optics with the opposite face of the optical integration prism group
Integral face；The optical integration prism group includes several such as the described in any item optical integration prisms splicings of claim 1-8,
The close split of exit facet of several optical integration prisms forms the exit facet of the optical integration prism group；The optics
The material in integral face is optical material.
10. light integrator device as claimed in claim 9, which is characterized in that the exit facet of the optical integration prism group
Profile be in regular hexagon.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772169.2U CN208283588U (en) | 2018-05-22 | 2018-05-22 | A kind of optical integration prism and light integrator device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772169.2U CN208283588U (en) | 2018-05-22 | 2018-05-22 | A kind of optical integration prism and light integrator device |
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| CN208283588U true CN208283588U (en) | 2018-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445566A (en) * | 2018-05-22 | 2018-08-24 | 广州市焦汇光电科技有限公司 | A kind of optical integration prism and light integrator device |
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2018
- 2018-05-22 CN CN201820772169.2U patent/CN208283588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445566A (en) * | 2018-05-22 | 2018-08-24 | 广州市焦汇光电科技有限公司 | A kind of optical integration prism and light integrator device |
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