CN106402797A - Light condensation and composition system and method for multiple LED light sources - Google Patents
Light condensation and composition system and method for multiple LED light sources Download PDFInfo
- Publication number
- CN106402797A CN106402797A CN201610641877.8A CN201610641877A CN106402797A CN 106402797 A CN106402797 A CN 106402797A CN 201610641877 A CN201610641877 A CN 201610641877A CN 106402797 A CN106402797 A CN 106402797A
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- Prior art keywords
- light
- lamp bead
- led
- led lamp
- lenss
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/008—Combination of two or more successive refractors along an optical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
Abstract
The invention provides a light condensation and composition method for multiple LED light sources. An optical system based on the method sequentially comprises the LED light sources, a light composition device and a condensing lens according to the direction of an optical path. Each LED light source comprises three or more LED bead units located on the same plane, and the distances between every two adjacent LED bead units are identical. The light composition device comprises three or more light guide columns which are in one-to-one correspondence with the LED bead units. A light inlet of each light guide column is opposite to the corresponding LED bead unit, and the diameter of the light inlet is larger than that of the light emitting face of the corresponding LED bead unit. The condensing lens is close to the light outlet surface of the light composition device. Light rays emitted by the LED bead units are mixed uniformly through total reflection in the light guide columns, the light outlets of all the light guide columns form the light outlet surface of the light composition device, and even light spots are formed on the light outlet surface of the light composition device; and even light spots with smaller angles are formed through further focusing of the condensing lens.
Description
Technical field
The present invention relates to field of LED illumination, especially one kind are used for plurality of LEDs lamp condenser combined optical system and method.
Background technology
The closing light concentrating method of plurality of LEDs is generally by the lighting angle of each LED lamp bead changing LED light source at present
Come to achieve the goal, such as China Patent Publication No. is a kind of 202432431 plurality of LEDs lamp bead closing light imaging system, including
Closing light part and imaging moiety, closing light part includes the LED lamp bead of more than two, is correspondingly provided with one in front of every LEDs lamp bead
LED lamp bead luminous flux is gathered in the beam condensing unit in 5 ~ 15 degree, all beam condensing units form beam condensing unit group, and optically focused fills
Put and in front of group, be provided with closing light lens.This optical system has high demands to beam condensing unit, closing light after first optically focused, closing light distance
Long, it is only applicable to monochromatic LED light source.
Content of the invention
One of the technical problem to be solved is to provide one kind to be used for plurality of LEDs lamp condenser combined optical system, closes
Electrical distance is short, and closing light is uniform, structure is simple, efficiency high.
The two of the technical problem to be solved are to provide one kind to be used for plurality of LEDs lamp condenser combined optical system, close
Electrical distance is short, and closing light is uniform, structure is simple, efficiency high.
The three of the technical problem to be solved are to provide one kind to be used for plurality of LEDs lamp condenser light combination method, close
Electrical distance is short, and closing light is uniform, structure is simple, efficiency high.
For solving one of above-mentioned technical problem, the technical scheme is that：One kind is used for plurality of LEDs lamp condenser closing light
System, includes LED light source, splicer and optically focused microscope group successively according to optical path direction；Described LED light source includes more than three groups and is in
Conplane LED lamp bead unit, the spacing of adjacent LED lamp bead unit is equal；Described splicer includes more than three and LED
The one-to-one light-guiding pillar of pearl unit, the light inlet of described light-guiding pillar is relative with LED lamp bead unit and bore is more than LED lamp bead list
The light-emitting area of unit, described optically focused microscope group includes the first planoconvex lenss and the second planoconvex lenss, the first planoconvex lenss and the second plano-convex
Relatively, the plane of the first planoconvex lenss is the plane of incidence and the exiting surface pressing close to splicer to the convex surface of lens, the second planoconvex lenss
Plane is exiting surface.There is certain spacing, heat treatment is simpler between LED lamp bead unit of the present invention；Light-guiding pillar bottom surface bore is big
In the light-emitting area of LED lamp bead unit, and press close to the light-emitting area of LED lamp bead unit, source efficiency is high；Described condenser lenss are put down by two panels
Convex lenss form, and convex surface relatively, is focused to the light of splicer exiting surface, form the uniform light spots of focus state, simultaneously
Divergence of beam angle is less, and follow-up design is simpler；The light that LED lamp bead unit sends, is totally reflected in light-guiding pillar, is closing
Light device exiting surface forms uniform hot spot, by the further optically focused of condenser lenss, forms the uniform of focus state after condenser lenss
Hot spot, and the angle of divergence of light is less.
As improvement, described LED lamp bead unit is monochromatic lamp bead, All-in-One colour lamp bead or many small lamp bulbs combination.
As improvement, the light inlet of light-guiding pillar is 0.2 ~ 0.8mm with the distance of LED lamp bead unit.
As improvement, described first planoconvex lenss and the second planoconvex lenss are symmetrical arranged.
As improvement, described light-guiding pillar is circular or polygonal taper cylinder, is provided with guide-lighting cavity in light-guiding pillar, guide-lighting
The side wall of cavity is reflecting surface.
For solving the two of above-mentioned technical problem, the technical scheme is that：One kind is used for plurality of LEDs lamp condenser closing light
System, includes LED light source, splicer, condenser lenss successively according to optical path direction and goes out light microscopic；Described LED light source include three groups with
On be in conplane LED lamp bead unit, the spacing of adjacent LED lamp bead unit is equal；Described splicer includes more than three
The one-to-one light-guiding pillar with LED lamp bead unit, the light inlet of described light-guiding pillar is relative with LED lamp bead unit and bore is more than
The light-emitting area of LED lamp bead unit；Described condenser lenss are planoconvex lenss, and its plane is the plane of incidence, and the surface of condenser lenss is frosting；
Described go out light microscopic be screw thread mirror, described condenser lenss and the exiting surface in splicer for the combined focal going out light microscopic.LED lamp bead of the present invention
There is certain spacing, heat treatment is simpler between unit；Light-guiding pillar bottom surface bore is more than the light-emitting area of LED lamp bead unit, and pastes
The light-emitting area of nearly LED lamp bead unit, source efficiency is high；Described condenser lenss are little focal length lenses, the light to splicer exiting surface
It is focused；The light that LED lamp bead unit sends, is totally reflected in light-guiding pillar, forms uniform light in splicer exiting surface
Speckle, by the further optically focused of condenser lenss, the less uniform hot spot of angulation after condenser lenss.
As improvement, described LED lamp bead unit is monochromatic lamp bead, All-in-One colour lamp bead or many small lamp bulbs combination.
As improvement, the light inlet of light-guiding pillar is 0.5-1mm with the distance of LED lamp bead unit.
As improvement, described light-guiding pillar is circular or polygonal taper cylinder, is provided with guide-lighting cavity in light-guiding pillar, guide-lighting
The side wall of cavity is reflecting surface.
For solving the three of above-mentioned technical problem, the technical scheme is that：One kind is used for plurality of LEDs lamp condenser closing light
Method, based on optical system include LED light source, splicer and optically focused microscope group successively according to optical path direction；Described LED light source bag
Include more than three groups and be in conplane LED lamp bead unit, the spacing of adjacent LED lamp bead unit is equal；Described splicer includes
More than three with the one-to-one light-guiding pillar of LED lamp bead unit, the light inlet of described light-guiding pillar is relative with LED lamp bead unit and mouth
Footpath is more than the light-emitting area of LED lamp bead unit, and described optically focused microscope group includes the first planoconvex lenss and the second planoconvex lenss, the first plano-convex
Lens are relative with the convex surface of the second planoconvex lenss, and the plane of the first planoconvex lenss is the plane of incidence and the exiting surface pressing close to splicer,
The plane of the second planoconvex lenss is exiting surface；The light that LED lamp bead unit sends is through the total reflection mix homogeneously in over-light-transferring pole；
The light-emitting window of all light-guiding pillars forms the exiting surface of splicer, forms uniform hot spot in the exiting surface of splicer；By optically focused
The focusing further of microscope group, the less uniform light spots of angulation.
As improvement, described light-guiding pillar is circular or polygonal taper cylinder, is provided with guide-lighting cavity in light-guiding pillar, guide-lighting
The side wall of cavity is reflecting surface.
The beneficial effect that the present invention is compared with prior art brought is：
There is certain spacing, heat treatment is simpler between LED lamp bead unit of the present invention；Light-guiding pillar bottom surface bore is more than LED lamp bead
The light-emitting area of unit, and press close to the light-emitting area of LED lamp bead unit, source efficiency is high；The light that LED light source sends is through splicer
Total reflection, form uniform hot spot in its exiting surface；Condenser lenss carry out further optically focused, shape to the light of splicer exiting surface
Become the uniform light spots of focus state, divergence of beam angle is less；The optically focused light combination method structure of the present invention is simple, and source efficiency is high,
Uniformly, divergence of beam angle is little and be in focus state for closing light, and subsequent design is simpler.
Brief description
Fig. 1 is the embodiment of the present invention 1 optical system schematic diagram.
Fig. 2 is the embodiment of the present invention 2 optical system schematic diagram.
Fig. 3 arranges schematic diagram I for light-guiding pillar.
Fig. 4 arranges schematic diagram II for light-guiding pillar.
Specific embodiment
With reference to Figure of description, the invention will be further described.
Embodiment 1
As shown in figure 1, a kind of be used for plurality of LEDs lamp condenser combined optical system, include LED light source 1 successively, close according to optical path direction
Light device 2 and optically focused microscope group 3.
As shown in figure 1, described LED light source 1 includes LED-baseplate and is in located at more than three groups in LED-baseplate same flat
Face and equally distributed LED lamp bead unit 11, due to having powerful optically focused accessory after LED light source 1, so LED lamp bead unit
Spacing between 11 can be relatively large, and heat treatment is simpler.Each LED lamp bead unit 11 of described LED light source 1 is identical, institute
State the combination that LED lamp bead unit 11 is monochromatic lamp bead, All-in-One colour lamp bead or many small lamp bulbs, wherein small lamp bulb can be single
Color or colour.
As shown in Figure 3,4, described splicer 2 includes more than three and the one-to-one light-guiding pillar 21 of LED lamp bead unit 11,
Described light-guiding pillar 21 is circular or polygonal taper cylinder, and the arrangement of light-guiding pillar is in geometrically symmetric figure.The entering of light-guiding pillar 21
Optical port bore is less than the bore of light-emitting window, and the light-emitting window of light-guiding pillar 21 forms the exiting surface of splicer 2, being shaped as of this exiting surface
The geometric figure of rule.The light inlet of described light-guiding pillar 21 is relative with LED lamp bead unit 11 and bore is more than LED lamp bead unit 11
Light-emitting area, the distance of the light inlet of light-guiding pillar 21 and LED lamp bead unit 11 is 0.2-0.8mm, to improve LED lamp bead unit 1
Light utilization efficiency.
As shown in figure 1, described optically focused microscope group 3 includes the first planoconvex lenss 31 and the second planoconvex lenss 32, the first plano-convex is saturating
Mirror 31 is symmetrical arranged with the second planoconvex lenss 32, and the first planoconvex lenss 31 are relative with the convex surface of the second planoconvex lenss 32, and first
The plane of planoconvex lenss 31 is the plane of incidence and the exiting surface pressing close to splicer, and the plane of the second planoconvex lenss 32 is exiting surface.
The optically focused light combination method principle of the present invention：The light that LED lamp bead unit 11 sends is through being all-trans in over-light-transferring pole 22
Penetrate, in the exiting surface group uniformly hot spot of splicer 2, through the focusing further of optically focused microscope group 3, form the equal of focus state
Even hot spot, divergence of beam angle is less；The optically focused light combination method structure of the present invention is simple, and source efficiency is high, and closing light uniformly, send out by light
Scattered angle is little and be in focus state, and subsequent design is simpler.
Embodiment 2
As shown in Fig. 2 a kind of be used for plurality of LEDs lamp condenser combined optical system, include LED light source 1 successively, close according to optical path direction
Light device 2, condenser lenss 4 and go out light microscopic 5.
As shown in Fig. 2 described LED light source 1 includes LED-baseplate and is in located at more than three groups in LED-baseplate same flat
Face and equally distributed LED lamp bead unit 11, due to having powerful optically focused accessory after LED light source 1, so LED lamp bead unit
Spacing between 11 can be relatively large, and heat treatment is simpler.Each LED lamp bead unit 11 of described LED light source 1 is identical, institute
State the combination that LED lamp bead unit 11 is monochromatic lamp bead, All-in-One colour lamp bead or many small lamp bulbs, wherein small lamp bulb can be single
Color or colour.
As shown in Figure 3,4, described splicer 2 includes more than three and the one-to-one light-guiding pillar 21 of LED lamp bead unit 11,
Described light-guiding pillar 21 is circular or polygonal taper cylinder, and the arrangement of light-guiding pillar is in geometrically symmetric figure.The entering of light-guiding pillar 21
Optical port bore is less than the bore of light-emitting window, and the light-emitting window of light-guiding pillar 21 forms the exiting surface of splicer 2, being shaped as of this exiting surface
The geometric figure of rule.The light inlet of described light-guiding pillar 21 is relative with LED lamp bead unit 11 and bore is more than LED lamp bead unit 11
Light-emitting area, the distance of the light inlet of light-guiding pillar 21 and LED lamp bead unit 11 is 0.5-1mm, to improve LED lamp bead unit 1
Light utilization efficiency.
As shown in figure 1, described condenser lenss 4 are planoconvex lenss, the further optically focused of light to splicer 2 exiting surface, make light
Line enters out light microscopic 5.The surface of condenser lenss 4 is done frosted and is processed, and makes the edge of imaging facula softer, mobile just to light source direction
Go out the position of light microscopic 5, it is possible to achieve smooth zoom.
As shown in figure 1, described go out light microscopic 5 be screw thread mirror.Described condenser lenss 4 with go out the combined focal of light microscopic 5 in splicer 2
Exiting surface, condenser lenss 4 and go out light microscopic 5 exiting surface of splicer 2 is imaged.
The optically focused light combination method principle of the present invention：Light-guiding pillar 21 bottom surface bore is more than the light-emitting area of LED lamp bead unit 11, and
Press close to the light-emitting area of LED lamp bead unit 11, source efficiency is high；The light that LED light source 1 sends through the total reflection of splicer 2,
Its exiting surface forms uniform hot spot；Condenser lenss 4 carry out further optically focused to the light of splicer 2 exiting surface, and angulation is more
Little uniform light spots；Condenser lenss 4 and the exiting surface in splicer 2 for the combined focal going out light microscopic 5, i.e. condenser lenss 4 and to go out light microscopic 5 right
The exiting surface imaging of splicer 2.
Claims (10)
1. a kind of for plurality of LEDs lamp condenser combined optical system it is characterised in that：According to optical path direction include successively LED light source,
Splicer and optically focused microscope group；Described LED light source includes more than three groups being in conplane LED lamp bead unit, adjacent LED lamp bead
The spacing of unit is equal；Described splicer includes more than three and the one-to-one light-guiding pillar of LED lamp bead unit, described light-guiding pillar
Light inlet is relative with LED lamp bead unit and bore is more than the light-emitting area of LED lamp bead unit, it is flat that described optically focused microscope group includes first
Convex lenss and the second planoconvex lenss, the first planoconvex lenss are relative with the convex surface of the second planoconvex lenss, the plane of the first planoconvex lenss
For the plane of incidence and the exiting surface of pressing close to splicer, the plane of the second planoconvex lenss is exiting surface.
2. according to claim 1 a kind of for plurality of LEDs lamp condenser combined optical system it is characterised in that：Described LED
Pearl unit is monochromatic lamp bead, All-in-One colour lamp bead or many small lamp bulbs combination.
3. according to claim 1 a kind of for plurality of LEDs lamp condenser combined optical system it is characterised in that：Light-guiding pillar
Light inlet is 0.2 ~ 0.8mm with the distance of LED lamp bead unit.
4. according to claim 1 a kind of for plurality of LEDs lamp condenser combined optical system it is characterised in that：Described first
Planoconvex lenss are symmetrical arranged with the second planoconvex lenss.
5. according to claim 1 a kind of for plurality of LEDs lamp condenser combined optical system it is characterised in that：Described leaded light
Post is circular or polygonal taper cylinder, is provided with guide-lighting cavity, the side wall of guide-lighting cavity is reflecting surface in light-guiding pillar.
6. a kind of for plurality of LEDs lamp condenser combined optical system it is characterised in that：According to optical path direction include successively LED light source,
Splicer, condenser lenss and go out light microscopic；Described LED light source includes more than three groups being in conplane LED lamp bead unit, adjacent
The spacing of LED lamp bead unit is equal；Described splicer includes more than three and the one-to-one light-guiding pillar of LED lamp bead unit, institute
State light-guiding pillar light inlet is relative with LED lamp bead unit and bore is more than the light-emitting area of LED lamp bead unit；Described condenser lenss are flat
Convex lenss, its plane is the plane of incidence, and the surface of condenser lenss is frosting；Described go out light microscopic be screw thread mirror, described condenser lenss with go out
The combined focal of light microscopic is in the exiting surface of splicer.
7. according to claim 6 a kind of for plurality of LEDs lamp condenser combined optical system it is characterised in that：Described leaded light
Post is circular or polygonal taper cylinder, is provided with guide-lighting cavity, the side wall of guide-lighting cavity is reflecting surface in light-guiding pillar.
8. according to claim 6 a kind of for plurality of LEDs lamp condenser combined optical system it is characterised in that：Light-guiding pillar
Light inlet is 0.5 ~ 1mm with the distance of LED lamp bead unit.
9. a kind of for plurality of LEDs lamp condenser light combination method it is characterised in that：Based on optical system according to optical path direction according to
Secondary inclusion LED light source, splicer and optically focused microscope group；Described LED light source includes more than three groups being in conplane LED lamp bead list
Unit, the spacing of adjacent LED lamp bead unit is equal；Described splicer includes more than three is led correspondingly with LED lamp bead unit
Light beam, the light inlet of described light-guiding pillar is relative with LED lamp bead unit and bore is more than the light-emitting area of LED lamp bead unit, described poly-
Light microscope group includes the first planoconvex lenss and the second planoconvex lenss, and the first planoconvex lenss are relative with the convex surface of the second planoconvex lenss, the
The plane of one planoconvex lenss is the plane of incidence and the exiting surface pressing close to splicer, and the plane of the second planoconvex lenss is exiting surface；LED
The light that pearl unit sends is through the total reflection mix homogeneously in over-light-transferring pole；The light-emitting window of all light-guiding pillars forms going out of splicer
Bright finish, forms uniform hot spot in the exiting surface of splicer；By the focusing further of optically focused microscope group, less equal of angulation
Even hot spot.
10. according to claim 9 a kind of for plurality of LEDs lamp condenser light combination method it is characterised in that：Described leaded light
Post is circular or polygonal taper cylinder, is provided with guide-lighting cavity, the side wall of guide-lighting cavity is reflecting surface in light-guiding pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641877.8A CN106402797A (en) | 2016-08-08 | 2016-08-08 | Light condensation and composition system and method for multiple LED light sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641877.8A CN106402797A (en) | 2016-08-08 | 2016-08-08 | Light condensation and composition system and method for multiple LED light sources |
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| CN106402797A true CN106402797A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610641877.8A Pending CN106402797A (en) | 2016-08-08 | 2016-08-08 | Light condensation and composition system and method for multiple LED light sources |
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| GB2568024A (en) * | 2017-09-25 | 2019-05-08 | Emotech Ltd | Display device |
| CN110715271A (en) * | 2019-11-18 | 2020-01-21 | 广东省半导体产业技术研究院 | Dodging module and dodging lamp |
| WO2020114200A1 (en) * | 2018-12-07 | 2020-06-11 | 深圳市绎立锐光科技开发有限公司 | Lighting device and automobile using same |
| CN113176267A (en) * | 2021-05-06 | 2021-07-27 | 艾斯尔光电(南通)有限公司 | Photomask highlight detection process |
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Application publication date: 20170215 |
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