CN206257466U - A kind of optically focused colour mixture imaging lamp - Google Patents
A kind of optically focused colour mixture imaging lamp Download PDFInfo
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- CN206257466U CN206257466U CN201621275744.5U CN201621275744U CN206257466U CN 206257466 U CN206257466 U CN 206257466U CN 201621275744 U CN201621275744 U CN 201621275744U CN 206257466 U CN206257466 U CN 206257466U
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Abstract
The utility model discloses a kind of optically focused colour mixture imaging lamp, including the LED light source and LED light source quantity identical light-guiding pillar of more than two, light-guiding pillar composition light guide component, each LED light source of correspondence is provided with light-guiding pillar；Diffusion sheet is provided with the exiting surface of light guide component, condenser is provided with front of diffusion sheet, light transmission cylinder is provided with front of condenser, light transmission cylinder is provided with light hole.Structure of the present utility model causes that mixed light is more uniform.
Description
Technical field
The utility model is related to imaging lamp, especially optically focused colour mixture imaging lamp.
Background technology
Because LED has the advantages that energy-conservation, long lifespan, present LED has been obtained for being widely applied.Current LED leads to
Optically focused mixed light is carried out frequently with lens, using this structure, can there is the uneven phenomenon of mixed light.
A kind of columnar polyhedron matrix is disclosed in the patent document that Chinese Patent Application No. is 201520595979.1
LED light sources, and specifically disclose it and include being mounted with the substrate of LED luminescence chips, be arranged on the LED luminescence chips
The light guide component of side and shell that can be by light guide component fixed installation on the substrate；The LED lights
Chip is made up of multiple LED chip arrays；The light guide component is made up of multiple light-guiding pillar cell arrays；The LED cores
Piece is corresponded with the guide-lighting pole unit；The guide-lighting pole unit is in the inverted cone shape cylinder for gradually increasing from bottom to top；It is described
The top surface of light guide component by the multiple guide-lighting pole units the seamless spliced luminous flat for constituting of top surface.Using the knot
Structure, the hot spot that can either cast out LED luminescence chips reaches the uniform effect of colour mixture, again can be to LED luminescence chips
The light of the larger angle for casting out is collected optically focused, increases the brightness of hot spot, reduces rising angle.
But, after light stretches out from light-guiding pillar, can still there is aberration in the region between adjacent light-guiding pillar, together
When, the light direct irradiation sent from light-guiding pillar is gone out, therefore colour mixture can be caused to owe uniform problem.
The content of the invention
In order to further improve the uniformity of mixed light, the utility model provides a kind of optically focused colour mixture imaging lamp.
To reach above-mentioned purpose, a kind of optically focused colour mixture imaging lamp, including LED light source and the LED light source quantity of more than two
Identical light-guiding pillar, light-guiding pillar composition light guide component, each LED light source of correspondence is provided with light-guiding pillar；In light guide component
Exiting surface is provided with diffusion sheet, and condenser is provided with front of diffusion sheet, light transmission cylinder is provided with front of condenser, on light transmission cylinder
It is provided with light hole.
Said structure, the light that LED light source sends carries out mixed once through light-guiding pillar, in the light extraction of light guide component after mixing
Face carries out secondary mixing by diffusion sheet so that light extraction is more uniform；Condenser is to the light launched by light guide component
Three optically focused colour mixtures are carried out, to improve the utilization rate of light source, the optically focused color blending effect of imaging lamp is lifted, it is attached in the focus of condenser
Closely, the light beam synthesis of plurality of LEDs light source is realized, and a light hole is provided with this near focal point, this light hole is used as imaging lamp
The thing of tool, therefore, structure of the present utility model can allow colour mixture more uniform.
Further, LED light source is LED chip, and LED chip sets on the same substrate, and all LED chips are in same flat
In face.Planar light source is formed in conplane LED light source, is easily worked, high precision, the mixing of light is more uniform.
Further, all of LED light source includes the LED light source of two or more colors.Using many LED lights of different colours
Source, using above-mentioned light-mixing structure, can allow color more uniform, planar coloured LED light source, the color change pattern for being presented
It is many, and variation pattern is simple and easy to control, can simplify the internal structure of colour imaging light fixture；Can effectively solve and be made with white light lamp bead
It is light source, by colour disk as in the way of color change, the color change pattern for being brought is few, the problems such as complex structure.
Further, light-guiding pillar bottom surface to LED light source top surface distance be 0.1-0.2mm.
Further, light-guiding pillar is back taper, and the small end cross sectional dimensions of light-guiding pillar is 4mm × 4mm, the big end of light-guiding pillar
Cross section is 10.6mm × 10.6mm, and the length of light-guiding pillar is 50mm.
Further, described diffusion sheet is 20 degree of diffusion sheets so that the effect of mixed light is good.
Further, light guide component to the distance between condenser be 9mm.
Further, condenser is spherical mirror, and the convex radius of condenser are 24mm, and a diameter of 36mm, edge is thick
It is 2mm to spend.
Further, focusing lens and object lens are sequentially provided with front of light transmission cylinder.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model structure.
Fig. 2 is the side schematic view of the utility model structure.
Specific embodiment
The utility model is further elaborated with reference to the accompanying drawings and detailed description.
As depicted in figs. 1 and 2, optically focused colour mixture imaging lamp include substrate 1, LED light source 2, light guide component 3, diffusion sheet 4,
Condenser 5, light transmission cylinder 6, focusing lens 7 and object lens 8.
The LED light source 2 of more than two is provided with same substrate 1, in the present embodiment, LED light source be LED chip or
LED lamp bead, and LED light source is more than the two kinds LED light sources of color.
Light guide component 3 is made up of light-guiding pillar 30, and the quantity of light-guiding pillar is consistent with the quantity of LED light source.Light-guiding pillar 30 sets
Put in the front of LED light source, and position corresponds.The bottom surface of light-guiding pillar 30 is 0.1- apart from L1 to LED light source top surface
0.2mm.Light-guiding pillar 30 is back taper, and the small end cross sectional dimensions of light-guiding pillar 30 is 4mm × 4mm, and the end greatly of light-guiding pillar 30 is transversal
Face is 10.6mm × 10.6mm, and the length of light-guiding pillar 30 is 50mm, and in the front end of light-guiding pillar, all light-guiding pillars are spliced into one and put down
Face.
20 degree of diffusion sheet 4 is provided with the front end face of light guide component so that mixed light is more uniform.
It is 9mm to be provided with the distance between condenser 5, light guide component 3 to condenser L2 in the front of diffusion sheet 4.Optically focused
Mirror is spherical mirror, and the convex radius of condenser 5 are 24mm, and a diameter of 36mm, edge thickness is 2mm.
Light transmission cylinder 6 is provided with the front of condenser 5, light transmission cylinder 6 has light hole 60, and this light hole 60 is used as colour imaging
The thing of light fixture.
Focusing lens 7 and object lens 8 are sequentially provided with front of light transmission cylinder.
The light that LED light source 2 sends carries out mixed once through light-guiding pillar 30, and the exiting surface after mixing in light guide component passes through
Diffusion sheet 4 carries out secondary mixing so that light extraction is more uniform；5 pairs of light launched by light guide component 3 of condenser are carried out
Three optically focused colour mixtures, to improve the utilization rate of light source, lift the optically focused color blending effect of imaging lamp, in the near focal point of condenser,
The many light beam synthesis of color LED light source are realized, and a light hole 60 is provided with this near focal point, this light hole 60 is used as coloured silk
Color is imaged the thing of light fixture, therefore, structure of the present utility model can allow colour mixture more uniform.
In the utility model, through optically focused colour mixture of uniformly successively decreasing more than twice, many color LED light sources send 120 degree of light
The light of beam angle, by light guide component, beam angle gathers 50-60 degree at the light-emitting area of light guide component, finally in optically focused
Mirror foci nearby 80% light concentrate 20-30mm diameter range in, and near focal point 80% light the angle of divergence 40
Within degree, it is adapted to be positioned to as thing.
Using above-mentioned light-mixing structure, the light of many more than the 90% of color LED light source is carried out using rational light-guiding pillar
Optically focused colour mixture, now exhales the light for coming in light-emitting area, had good optically focused and color blending effect, then plus diffusion
The effect of piece, makes color blending effect further be lifted, then by condenser by multi beam reached the light focusing of preliminary optically focused colour mixture to
The near focal point of condenser, and then realize the light beam synthesis of color LED planar light source；One is provided with the near focal point of condenser
Light hole, this light hole as colour imaging light fixture thing, and the light that now light hole is passed through, colour mixture is uniform, optically focused
Efficiency high；Imaging lens system is provided with before light hole, for the imaging of thing.What wherein this many color LED light sources were formed is flat
In area source, on the same plane, easy for installation, process is simple, radiating is easily processed many color LED lamp beads, with low cost；It is flat
Face color LED light source, the color change pattern for being presented is more, and variation pattern is simple and easy to control, can simplify colour imaging light fixture
Internal structure；The optically focused colour mixture imaging lamp, optical efficiency is high；Colour mixture is realized in short distance, and colour mixture is uniform.
Claims (9)
1. a kind of optically focused colour mixture imaging lamp, including the LED light source and LED light source quantity identical light-guiding pillar of more than two, it is guide-lighting
Post constitutes light guide component, and each LED light source of correspondence is provided with light-guiding pillar；It is characterized in that：In the exiting surface of light guide component
Diffusion sheet is provided with, condenser is provided with front of diffusion sheet, light transmission cylinder is provided with front of condenser, light transmission cylinder is provided with logical
Unthreaded hole.
2. optically focused colour mixture imaging lamp according to claim 1, it is characterised in that：LED light source is LED chip, and LED chip sets
On the same substrate, in all LED chips are generally aligned in the same plane.
3. optically focused colour mixture imaging lamp according to claim 1, it is characterised in that：All of LED light source includes two or more
The LED light source of color.
4. optically focused colour mixture imaging lamp according to claim 1 and 2, it is characterised in that：Light-guiding pillar bottom surface is to LED light source top surface
Distance be 0.1-0.2mm.
5. optically focused colour mixture imaging lamp according to claim 1, it is characterised in that：Light-guiding pillar is back taper, light-guiding pillar it is small
End cross sectional dimensions is 4mm × 4mm, and the big end cross section of light-guiding pillar is 10.6mm × 10.6mm, and the length of light-guiding pillar is 50mm.
6. optically focused colour mixture imaging lamp according to claim 1, it is characterised in that：Described diffusion sheet is 20 degree of diffusion sheets.
7. optically focused colour mixture imaging lamp according to claim 1, it is characterised in that：Light guide component between condenser away from
From being 9mm.
8. the optically focused colour mixture imaging lamp according to claim 1 or 7, it is characterised in that：Condenser is spherical mirror, condenser
Convex radius are 24mm, and a diameter of 36mm, edge thickness is 2mm.
9. optically focused colour mixture imaging lamp according to claim 1, it is characterised in that：Focusing is sequentially provided with front of light transmission cylinder
Mirror and object lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275744.5U CN206257466U (en) | 2016-11-25 | 2016-11-25 | A kind of optically focused colour mixture imaging lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275744.5U CN206257466U (en) | 2016-11-25 | 2016-11-25 | A kind of optically focused colour mixture imaging lamp |
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| CN206257466U true CN206257466U (en) | 2017-06-16 |
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| CN201621275744.5U Active CN206257466U (en) | 2016-11-25 | 2016-11-25 | A kind of optically focused colour mixture imaging lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI660209B (en) * | 2017-07-20 | 2019-05-21 | 極智光電股份有限公司 | Non-coaxial light mixing device |
-
2016
- 2016-11-25 CN CN201621275744.5U patent/CN206257466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI660209B (en) * | 2017-07-20 | 2019-05-21 | 極智光電股份有限公司 | Non-coaxial light mixing device |
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