CN103032774B - A kind of LED light source - Google Patents

A kind of LED light source Download PDF

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Publication number
CN103032774B
CN103032774B CN201210574643.8A CN201210574643A CN103032774B CN 103032774 B CN103032774 B CN 103032774B CN 201210574643 A CN201210574643 A CN 201210574643A CN 103032774 B CN103032774 B CN 103032774B
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China
Prior art keywords
lens
battery
light source
led light
unimodal
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CN201210574643.8A
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CN103032774A (en
Inventor
刘凯
王慧东
孙夕庆
张彦伟
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ADVANCED OPTRONIC DEVICES (WEIFANG) Co Ltd
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ADVANCED OPTRONIC DEVICES (WEIFANG) Co Ltd
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Priority to CN201210574643.8A priority Critical patent/CN103032774B/en
Publication of CN103032774A publication Critical patent/CN103032774A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The invention discloses a kind of LED light source, including being arranged in fixing LED light source component, including the battery of lens of multiple lens.Wherein, multiple lens are unimodal lens and/or multimodal lens, and battery of lens is adjusted for the light trend sending LED light source.In the present invention, yellow light more in blue ray more in first angular regions and the second angular regions converges to a direction through battery of lens, and blue ray and yellow light are mixed, penetrate from a direction of battery of lens, eliminate obvious blue hot spot and the obvious yellow hot spot of the second angular regions formation that the first angular regions is formed.In street lighting is applied, the blue hot spot occurred in effectively eliminating road lighting region or yellow hot spot, solve the photochromic problem pockety of road lighting region hot spot.

Description

A kind of LED light source
Technical field
The present invention relates to LED (Light Emitting Diode, Light-Emitting Diode) lighting technical field, more Saying of body, relates to a kind of LED light source.
Background technology
LED (Light Emitting Diode, Light-Emitting Diode) is easily achieved various forms of luminous intensity distribution, passes through Once light-distribution technique and secondary light-distribution technique can form corresponding LED light source.Apply in street lighting In, because LED light source street lamp has rational luminous intensity distribution form, its light produced has guided illumination mostly The direction of value, reduces unnecessary ray waste, improves illuminating light flux utilization rate, therefore LED Light source road lamp obtains wideling popularize and developing.
In prior art, the once light-distribution technique of LED is during making the single lamp of LED encapsulation, by bimodal Type lens packages is on package support so that it is with luminescence chip, fluorescent glue and package support composition one, Become the single lamp of bimodal pattern lens LED encapsulation, it is achieved target luminous intensity distribution.The secondary light-distribution technique of LED is to use light The single lamp of LED encapsulation of the Lambertian luminous intensity distribution that beam angle is about 120 degree adds the secondary lens of bimodal pattern lens, it is achieved mesh Standard configuration light.LED luminous intensity distribution technique of the prior art is all to use bimodal pattern lens, and the most common double The version of peak type lens refers to Fig. 1, it illustrates the front view of bimodal pattern lens in prior art, The injection ray regions of bimodal pattern lens is divided into 4 regions, respectively 1 region, 2 regions, 3 regions and 4 Region.Wherein, two highly consistent high points, i.e. two peaks are arranged at the top of bimodal pattern lens, face Map contour crown center has a depression.
In actual applications, the luminescence chip at LED light source center sends blue ray, and blue ray can swash Sending out the fluorescent powder grain of coating on luminescence chip and send yellow light, blue ray mixes shape with yellow light Become white light, i.e. make LED light source center entirety present the effect sending white light.But, for existing The bimodal pattern lens of configuration in technology, for 2 regions, 3 regions and 4 these three low-angle districts, region in Fig. 1 Territory, owing to blue ray is more present in this low-angle region white light, this side up can populated with big The blue light light of amount, blue light is relatively strong, and then forms the bluest hot spot.For 1 region in Fig. 1 and 5th district Territory the two wide-angle region, owing to yellow light is more, at this present in this wide-angle region white light Meeting populated with substantial amounts of gold-tinted light on direction, gold-tinted is relatively strong, and then forms obvious yellow hot spot.
Just because of this, in street lighting is applied, the single lamp of LED encapsulation of bimodal pattern lens is used to shine Time bright, it may appear that the bluest hot spot or yellow hot spot, cause photochromic point of hot spot in road lighting region Cloth is uneven.
Summary of the invention
For the problems referred to above, the present invention provides a kind of LED light source, to solve prior art Zhong street photograph In bright application, when using the single lamp of LED encapsulation of bimodal pattern lens to be illuminated, it may appear that significantly blue Hot spot or yellow hot spot, cause the photochromic problem pockety of hot spot in road lighting region.Technical side Case is as follows:
The present invention provides a kind of LED light source, including: it is arranged on fixing Light-Emitting Diode LED light source component On, including the battery of lens of multiple lens, wherein, the plurality of lens be unimodal lens and/or multimodal saturating Mirror, described battery of lens is adjusted for the light trend sending LED light source.
Preferably, described battery of lens includes that multiple lens, the plurality of lens are multiple unimodal lens and extremely Few multimodal lens, wherein, the C0-180 cross-sectional view of described battery of lens is multimodal lens-type, The sectional view in C90-270 cross section is unimodal lens-type.
Preferably, described battery of lens is an overall lens, and described overall lens is by the plurality of lens The lens of integrated setting, wherein said battery of lens includes that multiple lens, the plurality of lens are many Individual unimodal lens and at least one multimodal lens, the C0-180 cross-sectional view of described battery of lens is that multimodal is saturating Mirror-type, the sectional view in C90-270 cross section is unimodal lens-type.
Preferably, described battery of lens includes described multimodal lens and two described unimodal lens, one Described multimodal lens are bimodal lens, and two described unimodal lens are separately positioned on described bimodal lens Both sides, wherein,
The C0-180 cross-sectional view of described bimodal lens is bimodal lens-type, C90-270 cross-sectional view For unimodal lens-type；
The C0-180 cross-sectional view of described unimodal lens is unimodal lens-type, C90-270 cross-sectional view For unimodal lens-type.
Preferably, described battery of lens is symmetrical light-distribution lens group, wherein, and described symmetrical light-distribution lens group C90-270 cross-sectional view is the unimodal lens-type of the symmetrical structure with a peak.
Preferably, described battery of lens includes multiple multimodal lens, wherein, the plurality of multimodal lens order Arrangement, the C0-180 cross-sectional view of described battery of lens is multimodal lens-type, the section view in C90-270 cross section Figure is multimodal lens-type.
Preferably, described battery of lens is an overall lens, and described overall lens is by the plurality of multimodal The lens of lens integrated setting, wherein, the order arrangement of the plurality of multimodal lens, described lens The C0-180 cross-sectional view of group is multimodal lens-type, and the sectional view in C90-270 cross section is multimodal lens-type.
Preferably, described battery of lens is symmetrical light-distribution lens group, wherein, and described symmetrical light-distribution lens group The sectional view in C90-270 cross section is the multimodal lens-type of the symmetrical structure with multiple high point.
Preferably, described battery of lens is asymmetric light-distribution lens group, wherein, and described asymmetric light-distribution lens The unimodal lens-type that C90-270 cross-sectional view is the unsymmetric structure with a peak of group.
Preferably, described battery of lens is asymmetric light-distribution lens group, wherein, and described asymmetric light-distribution lens The C90-270 cross-sectional view of group is for having multiple high point, and the height of multiple high point reduces successively Or raise the most successively or the multimodal lens-type of unsymmetric structure of highly irregular change.
Preferably, described battery of lens is asymmetric light-distribution lens group, wherein, and described asymmetric light-distribution lens The version of each unimodal and/or multimodal lens in group is that top view presents circular configuration, oval knot Structure, part-circular structure or any one version of locally ellipticity shape structure.
Preferably, described multimodal lens are bimodal lens, and described battery of lens includes described bimodal lens Unimodal lens described with four, two described unimodal lens are arranged in order and are arranged on described bimodal lens Side, unimodal lens described in another two are arranged in order the opposite side being arranged on described bimodal lens, Wherein,
The C0-180 cross-sectional view of described bimodal lens is bimodal lens-type, C90-270 cross-sectional view For unimodal lens-type；
The C0-180 cross-sectional view of described unimodal lens is unimodal lens-type, C90-270 cross-sectional view For unimodal lens-type.
Preferably, the distribution curve flux of described battery of lens includes symmetric form batswing tab distribution curve flux and asymmetric Batswing tab distribution curve flux.
Preferably, described fixing LED light source component includes: package substrates, luminescence chip and fluorescent glue, Wherein,
Described luminescence chip is installed on the upper surface of described package substrates；
Described fluorescent glue is coated on described luminescence chip.
Preferably, the one during described package substrates is ceramic bases or metallic substrates.
Preferably, described package substrates is provided with double bowl-type groove is installed, including: upper bowl groove and under Bowl groove, wherein,
Described luminescence chip is positioned at the bottom of described lower bowl groove, and described fluorescent glue is coated on described luminous core On sheet, and fill lower bowl groove.
Preferably, described fixing LED light source component is the single lamp of LED encapsulation, and the bottom of described battery of lens sets Fluted, single for described LED encapsulation lamp is installed in described groove.
Preferably, described battery of lens is silica-gel lens group or epoxy resin lenses group or polymethyl One in acid methyl ester PMMA battery of lens or polycarbonate battery of lens.
Application technique scheme, the LED light source that the present invention provides includes being arranged on fixing LED light source component On, including the battery of lens of multiple lens.Wherein, multiple lens are unimodal lens and/or multimodal lens, thoroughly Mirror group is adjusted for the light trend sending LED light source.
In the present invention, in the first angular regions, more blue ray converges to one party through battery of lens To, yellow light more in the second angular regions converges to a direction through battery of lens, and battery of lens will Light that LED light source sends trend is adjusted, by blue ray more in the first angular regions and the Yellow light mixing more in two angular regions, finally penetrates from a direction of battery of lens, eliminates The obvious yellow hot spot that the obvious blue hot spot of the first angular regions formation and the second angular regions are formed.
Therefore, the LED light source that the present invention provides, in street lighting is applied, effectively eliminates road lighting The blue hot spot occurred in region or yellow hot spot, solve the road lighting region photochromic skewness of hot spot Even problem.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments of invention, for those of ordinary skill in the art, are not paying creative work Under premise, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of bimodal pattern lens in prior art；
Figure 1A is C0-180 cross section and the position relationship schematic diagram in C90-270 cross section in the present invention；
The structural representation of a kind of LED light source that Fig. 2 provides for the present invention；
The front view of a kind of battery of lens in a kind of LED light source that Fig. 3 provides for the present invention；
The front view of another kind of battery of lens in a kind of LED light source that Fig. 4 a provides for the present invention；
The left view of another kind of battery of lens in a kind of LED light source that Fig. 4 b provides for the present invention；
The top view of the another kind of battery of lens of a kind of LED light source that Fig. 4 c provides for the present invention；
The ray tracing schematic diagram of another kind of battery of lens in a kind of LED light source that Fig. 4 d provides for the present invention；
The another kind of distribution curve flux schematic diagram of a kind of LED light source that Fig. 4 e provides for the present invention；
The front view of another battery of lens in a kind of LED light source that Fig. 5 a provides for the present invention；
The left view of another battery of lens in a kind of LED light source that Fig. 5 b provides for the present invention；
The top view of another battery of lens in a kind of LED light source that Fig. 5 c provides for the present invention；
The ray tracing schematic diagram of another battery of lens in a kind of LED light source that Fig. 5 d provides for the present invention；
Another the distribution curve flux schematic diagram of a kind of LED light source that Fig. 5 e provides for the present invention；
The front view of another battery of lens in a kind of LED light source that Fig. 6 a provides for the present invention；
The left view of another battery of lens in a kind of LED light source that Fig. 6 b provides for the present invention；
The top view of another battery of lens in a kind of LED light source that Fig. 6 c provides for the present invention；
The ray tracing schematic diagram of another battery of lens in a kind of LED light source that Fig. 6 d provides for the present invention；
Another the distribution curve flux schematic diagram of a kind of LED light source that Fig. 6 e provides for the present invention；
The front view of another battery of lens in a kind of LED light source that Fig. 7 a provides for the present invention；
The left view of another battery of lens in a kind of LED light source that Fig. 7 b provides for the present invention；
The top view of another battery of lens in a kind of LED light source that Fig. 7 c provides for the present invention；
The ray tracing schematic diagram of another battery of lens in a kind of LED light source that Fig. 7 d provides for the present invention；
Another the distribution curve flux schematic diagram of a kind of LED light source that Fig. 7 e provides for the present invention；
Cutting along battery of lens end face arbitrary diameter direction in a kind of LED light source that Fig. 8 a provides for the present invention Face figure；
The top view of another battery of lens in a kind of LED light source that Fig. 8 b provides for the present invention；
Another the distribution curve flux schematic diagram of a kind of LED light source that Fig. 8 c provides for the present invention；
The front view of another battery of lens in a kind of LED light source that Fig. 9 a provides for the present invention；
The left view of another battery of lens in a kind of LED light source that Fig. 9 b provides for the present invention；
The top view of another battery of lens in a kind of LED light source that Fig. 9 c provides for the present invention；
Another the distribution curve flux schematic diagram of a kind of LED light source that Fig. 9 d provides for the present invention；
The front view of another battery of lens in a kind of LED light source that Figure 10 a provides for the present invention；
The left view of another battery of lens in a kind of LED light source that Figure 10 b provides for the present invention；
The top view of another battery of lens in a kind of LED light source that Figure 10 c provides for the present invention；
The decomposition texture schematic diagram of assembly in a kind of LED light source that Figure 11 provides for the present invention；
In a kind of LED light source that Figure 12 provides for the present invention decomposition texture schematic diagram of another kind of assembly with And the close-up schematic view of modular construction；
The overall structure schematic diagram of a kind of LED light source that Figure 13 a provides for the present invention；
The decomposition texture schematic diagram of a kind of LED light source that Figure 13 b provides for the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
It should be understood that in the present invention, battery of lens may apply on different single LED lamp light sources, Can be mould bar lens of encapsulation LED, it is also possible to be the secondary optics being added on packaged LED Lens, master of the present invention is to illustrate that the combination implementation of battery of lens.
One of main thought of the present invention may include that battery of lens can realize LED light source center and sends The light of the first angular regions after battery of lens, carry out a certain degree of convergence in one direction, The light of the second angular regions sent at LED light source center, after battery of lens, enters in one direction The a certain degree of convergence of row, therefore, only need to suitably adjust the combination of the battery of lens that multiple lens combination is formed Form, carries out light-ray condensing in one direction so that blue ray and Huang by the light through battery of lens Coloured light line mixes, and in street lighting, just achieves that hot spot in road lighting region is photochromic to be evenly distributed Purpose.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but this Bright other can also be used to be different from alternate manner described here implement, those skilled in the art are permissible In the case of intension of the present invention, doing similar popularization, therefore the present invention not by following public specifically The restriction of embodiment.
It should be understood that in present specification, so-called front view, left view and top view, the most right Face of growing tall, wide high surface and the length and width face side that the length of battery of lens separately constitutes in LED light source To the view being defined.In the present embodiment, as viewed from the direction, face of growing tall of battery of lens, definition is from this The front view that battery of lens view is battery of lens looked in direction, as viewed from the direction, length and width face of battery of lens, fixed The justice top view that battery of lens view is battery of lens as viewed from the direction, in terms of the wide high surface direction of battery of lens Go, the definition left view that battery of lens view is battery of lens as viewed from the direction.
For the ease of the explanation of following each embodiment, there is also the need to explanation: C-planar system is one Planting conventional measurement and describe light source or the coordinate system of light fixture spatial light intensity distribution, this system can be used for In the luminosity measurement of LED light source or light fixture.Under C-planar system, measure and describe LED light source or light fixture Spatial light intensity distribution, light distribution is typically described by distribution curve flux；Distribution curve flux is at polar coordinate Under system or rectangular coordinate system, the light intensity value corresponding to all angles in certain luminous intensity distribution plane marked, and Depict the curve that light intensity value changes with angle.Generally people use C0-180 and C90-270 both normal The distribution curve flux of the spatial light intensity distribution for describing LED light source to describe LED light source or light fixture Spatial light intensity is distributed, and from distribution curve flux figure, the distribution curve flux in the two plane can be to overlap, Can also be diverse.
Distribution curve flux is under polar coordinate system or rectangular coordinate system, each in certain the luminous intensity distribution plane marked Light intensity value corresponding to angle, and depict the curve that light intensity value changes with angle.In distribution curve flux figure, In definition distribution curve flux figure the angle in left side of 0 degree angle line be positive-angle (with "+" expression), 0 degree The angle on the right side of angle line is negative angle (representing by "-"), then the distribution curve flux in each plane Can be symmetrical expression (symmetrical relative to 0 degree of angle line), it is also possible to be asymmetric (phase Asymmetric for 0 degree of angle line left and right).Can be with the value at reading optical beam angle, Wo Mending from distribution curve flux In certain luminous intensity distribution plane of justice, the beam angle of distribution curve flux is: largest light intensity angle line on beam angle=distribution curve flux Rotate counterclockwise to the angle value+largest light intensity angle line turned over during the angle line of 50% largest light intensity It is rotated clockwise to the angle value turned over during the angle line of 50% largest light intensity.
In order to express easily, face with C0-C180 luminous intensity distribution planes overlapping in LED light source structure is claimed by we For C0-C180 cross section, it is referred to as C90-C270 cross section with the face of C90-C270 luminous intensity distribution planes overlapping, C0-C180 cross section and C90-270 cross section are as the sectional view plane of LED light source structure.
For corresponding practical structures, C0-180 cross section is the infinitely great virtual plane comprising battery of lens length direction, C90-270 cross section is the infinitely great virtual plane comprising battery of lens cross direction, see Figure 1A, and it illustrates The position relationship schematic diagram in C0-180 cross section and C90-270 cross section in the present invention.Specifically, C0-180 Cross section and C90-270 cross section are each perpendicular to battery of lens, and wherein, C0-180 cross section is parallel to the length of battery of lens High face, is perpendicular to the length and width face of battery of lens, and C90-270 cross section is parallel to the wide high surface of battery of lens, is perpendicular to The length and width face of battery of lens.Along the profile of the battery of lens that C0-180 cross section obtains, can be battery of lens just View, along the profile of the battery of lens that C90-270 cross section obtains, can be the left view of battery of lens.
One embodiment
Refer to Fig. 2, it illustrates the structural representation of a kind of LED light source that the present invention provides, including: Assembly 100 and battery of lens 200.Wherein,
Assembly 100 is used for fixing LED light source.
Battery of lens 200 is arranged on assembly 100, including multiple lens.Wherein, multiple lens are unimodal Lens and/or multimodal lens, battery of lens 200 is adjusted for the light trend sending LED light source.
In the present embodiment, LED light source is centrally disposed in the center of assembly 100, and battery of lens 200 is arranged At the overcentre of assembly 100, and the center of the bottom centre of battery of lens 200 and assembly 100 is vertically Conllinear on direction.The light that LED light source center sends can first inject battery of lens 200, through battery of lens 200 After the reflection of inside, refraction, penetrate at a certain angular regions of battery of lens 200.Refer to Fig. 3, its Show the front view of a kind of battery of lens in a kind of LED light source that the present invention provides.LED light source center is sent out The light gone out is injected from the bottom centre of battery of lens 200, with the bottom water horizontal line of battery of lens 200 as X-axis, Through the bottom centre of battery of lens 200, and the straight line of the bottom water horizontal line of vertical lens group 200 is Y Axle, sets up coordinate system.Now, we define 2 in the region of 30 degree to 120 degree, i.e. corresponding diagram 1 Region, 3 regions and 4 these three regions, region are the first angular regions, and 0 degree to 30 degree, 120 degree extremely 1 region and 5 the two regions, region in the region of 180 degree, i.e. corresponding diagram 1 are the second angular regions.
It should be understood that the present invention is not limited only to the region definition method of above-described embodiment, it is also possible to depend on The different self-definings of border opticpath factually.
In actual applications, in assembly 100, the luminescence chip at LED light source center sends blue ray, blue Coloured light line can excite the fluorescent powder grain of coating on luminescence chip to send yellow light, blue ray and yellow Light is mixed to form white light, i.e. make LED light source center entirety present the effect sending white light.
In the present embodiment, the white light that LED light source center sends is injected from the bottom centre of battery of lens 200. For the white light of the first angular regions, in this region, present in white light, blue ray is more, and blue light is relatively strong, After blue ray injects battery of lens 200, major part blue ray can form total reflection on battery of lens 200, Blue ray after the total reflection within battery of lens 200 finally penetrates from a direction of battery of lens 200. For the white light of the second angular regions, in this region, present in white light, yellow light is more, and gold-tinted is relatively strong, After yellow light injects battery of lens 200, after the reflection, refraction of battery of lens 200, finally from lens A direction injection of group 200.Now, the light by battery of lens 200, LED light source center sent Trend is readjusted, thus obtains target luminous intensity distribution form, and more in making the first angular regions Blue ray and the second angular regions in more yellow light mixing, region injection in the same direction.
Specifically, battery of lens 200 can include multiple unimodal lens and at least one multimodal lens, wherein, From the overall structure of battery of lens 200, the C0-180 cross-sectional view of battery of lens 200 is multimodal lens Type, the sectional view in C90-270 cross section is unimodal lens-type.
Such as, battery of lens 200 includes six unimodal lens and two multimodal lens.Wherein, two multimodals Lens are bimodal lens.Two bimodal lens are set up in parallel together, constitute the center of battery of lens 200 Parts, three unimodal lens in six unimodal lens are sequentially arranged in the left side of two bimodal lens, and six The unimodal lens of the other three in individual unimodal lens are sequentially arranged in the right side of two bimodal lens.Wherein, often Three unimodal lens are set together according to order arranged in parallel from left to right.Now, battery of lens 200 C0-180 cross-sectional view be ten peak lens-types, the sectional view in C90-270 cross section is unimodal lens-type.
Certainly, battery of lens 200 can also be an overall lens, and this overall lens is by multiple unimodal Mirror and the lens of at least one multimodal lens integrated setting.Wherein battery of lens 200 includes multiple Mirror, multiple lens are multiple unimodal lens and at least one multimodal lens.Now, the C0-180 of battery of lens 200 Cross-sectional view is multimodal lens-type, and the sectional view in C90-270 cross section is unimodal lens-type.
Especially, battery of lens 200 can be symmetrical light-distribution lens group, wherein, and symmetrical light-distribution lens group C90-270 cross-sectional view is the unimodal lens-type of the symmetrical structure with a peak.Such as: lens Group 200 includes multimodal lens and two unimodal lens, and one of them multimodal lens is bimodal lens, The version of two unimodal lens in symmetrical light-distribution lens group is consistent, is symmetrically arranged at one pair The both sides of peak lens.From the overall structure of battery of lens 200, the C90-270 cross section of battery of lens 200 Sectional view be unimodal lens-type, and this unimodal lens-type is the symmetrical structure only with a peak. Or, the sectional view in the C90-270 cross section of symmetrical light-distribution lens group is the symmetrical structure with multiple high point Multimodal lens-type.
Battery of lens 200 can also be asymmetric light-distribution lens group, wherein, asymmetric light-distribution lens group C90-270 cross-sectional view is the unimodal lens-type of the unsymmetric structure with a peak.Such as: thoroughly Mirror group 200 includes multiple unimodal lens, wherein, each unimodal lens in asymmetric light-distribution lens group Version is the unsymmetric structure form only with a peak, or, battery of lens 200 includes multiple Multimodal lens, wherein, the version of each multimodal lens in asymmetric light-distribution lens group is many for having Individual high point, and the height of multiple high point reduces successively or raises the most successively or highly irregular change Unsymmetric structure, or, battery of lens 200 includes multiple unimodal lens and/or at least one multimodal lens, Wherein, the version of each unimodal and/or multimodal lens in asymmetric light-distribution lens group be top view in Existing circular configuration, ellipsoidal structure, part-circular structure or any one structure of locally ellipticity shape structure Form.Especially, in asymmetric light-distribution lens group, battery of lens 200 includes multiple unimodal lens and extremely During few multimodal lens, the version of each unimodal lens can also be along with the structure of multimodal lens The version of variation, can be any one in loop configuration or part annular structure.
It should be understood that the so-called asymmetric light-distribution lens group i.e. version of asymmetric light-distribution lens group It is asymmetric, or the distribution curve flux that asymmetric light-distribution lens group realizes is asymmetric.At this In bright, the distribution curve flux of battery of lens 200 includes symmetric form batswing tab distribution curve flux and asymmetric batswing tab Distribution curve flux.
Additionally, battery of lens 200 can also include multiple multimodal lens, the order arrangement of multiple multimodal lens. Meanwhile, the C0-180 cross-sectional view of battery of lens 200 is multimodal lens-type, the section view in C90-270 cross section Figure is also multimodal lens-type..
Battery of lens 200 can also be an overall lens, and overall lens is by the integration of multiple multimodal lens The lens arranged, wherein, the order arrangement of multiple multimodal lens, the C0-180 cross section of battery of lens 200 Sectional view is multimodal lens-type, and the sectional view in C90-270 cross section is multimodal lens-type.
It should be understood that so-called multiple multimodal lens order arrangement, will multiple multimodal lens according to one Fixed puts rule order arrangement successively.Such as: according to the side that the length and width face of all bimodal lens is overlapped Formula order arrangement successively, is i.e. a length of a, a width of b, a height of c, structure shape for all multimodal lens During the same bimodal lens of formula, one that a length and width face of the bimodal lens of one is adjacent thereto bimodal One length and width face of mirror overlaps, and adjacent thereto another in another length and width faces of its bimodal lens is bimodal One length and width face of mirror overlaps.Certainly, for including in multimodal lens, version is the same and structure shape During the different bimodal lens of formula, also it is the length in the length and width face by each bimodal lens and other bimodal lens Wide face overlaps, according to this type of rule successively order arrangement.
In the present embodiment, the part in 3 regions in corresponding diagram 1, this region white light includes more indigo plant Coloured light line, blue ray forms total reflection in battery of lens 200, after battery of lens 200 internal reflection Finally penetrating from the both sides of battery of lens 200, now, blue ray more in this region white light is all-trans Penetrate, it is thus eliminated that the bluest hot spot.
1 region and the part in 5 regions in corresponding diagram 1, the two region white light includes more yellow Light, yellow light is through the convergence of battery of lens 200 so that yellow light is from the both sides of battery of lens 200 Injection, now in 1 region and 5 the two region, region white lights, more yellow light is converged onto lens The both sides injection of group 200, yellow light reduces, it is thus eliminated that significantly yellow hot spot.
2 regions and the part in 4 regions in corresponding diagram 1, the both sides of battery of lens 200 are mainly 2 regions and 4 The two region, region.The blue ray that in 3 regions, major part is totally reflected is internal anti-through battery of lens 200 After penetrating, mainly 2 regions and the injection of these two parts of 4 regions from Fig. 1,1 region and 5 regions are deposited simultaneously More yellow light, and through the convergence of battery of lens 200 so that yellow light is from battery of lens 200 Both sides, i.e. mainly penetrate from 2 regions and 4 regions.Now, 2 regions in Fig. 1 and 4 regions this Blue ray in two regions mixes with yellow light, forms white light, eliminates the bluest hot spot With yellow hot spot.
Application technique scheme, the LED light source that the present invention provides includes the group being arranged on fixing LED light source On part 100, including the battery of lens 200 of multiple lens.Wherein, multiple lens are unimodal lens and/or multimodal Lens, battery of lens 200 is adjusted for the light trend sending LED light source.
In the present invention, more in the first angular regions blue ray converges to a certain through battery of lens 200 Direction, yellow light more in the second angular regions converges to a direction, lens through battery of lens 200 The light trend that LED light source is sent by group 200 is adjusted, by blue light more in the first angular regions Yellow light mixing more in line and the second angular regions, finally a direction from battery of lens 200 is penetrated Go out, eliminate obvious blue hot spot and the obvious Huang of the second angular regions formation that the first angular regions is formed Coloured light speckle.
Therefore, the LED light source that the present invention provides, in street lighting is applied, effectively eliminates road lighting The blue hot spot occurred in region or yellow hot spot, solve the road lighting region photochromic skewness of hot spot Even problem.
For in above-mentioned LED light source about the discussion of battery of lens 200, below the present invention with regard to battery of lens 200 Combinative structure including multiple lens is described in detail by way of example.
It is described in detail it should be understood that the present invention combines accompanying drawing, when describing the embodiment of the present invention in detail, For purposes of illustration only, represent that the profile of device architecture can be disobeyed general ratio and be made partial enlargement, and described Schematic diagram is example, and it should not limit the scope of protection of the invention at this.Additionally, in actual fabrication Length, width and the three-dimensional space of height should be comprised.
Another embodiment
Please refer to Fig. 4 a, Fig. 4 b and Fig. 4 c, Fig. 4 a shows a kind of LED light that the present invention provides The front view of another kind of battery of lens in source, Fig. 4 b shows in a kind of LED light source that the present invention provides another The left view of a kind of battery of lens, Fig. 4 c shows another kind of lens in a kind of LED light source that the present invention provides The top view of group.Therefrom it follows that battery of lens 200 includes multimodal lens and two unimodal lens, One multimodal lens is bimodal lens, and two unimodal lens are separately positioned on the side of bimodal lens, Wherein, the C0-180 cross-sectional view of bimodal lens is bimodal lens-type, and C90-270 cross-sectional view is Unimodal lens-type, the C0-180 cross-sectional view of unimodal lens is unimodal lens-type, and C90-270 cuts open in cross section View is unimodal lens-type.In the present embodiment, battery of lens 200 is symmetrical light-distribution lens group, from lens Seeing in the overall structure of group 200, the C90-270 cross-sectional view of symmetrical light-distribution lens group is for having one The unimodal lens-type of the symmetrical structure of peak.
Specifically, in the present embodiment, in symmetrical light-distribution lens group, the unimodal lens of bimodal lens both sides are Being symmetrically arranged at the both sides of bimodal lens, its shape size is consistent.Meanwhile, each unimodal lens Version be the symmetrical structure only with a peak, and the version of each unimodal lens Also it is symmetrical expression.In the front view of battery of lens 200, the top of battery of lens 200 profile has four High, in four peak types, in the left view of battery of lens 200, the top of battery of lens 200 profile has One peak, in single peak type, in the top view of battery of lens 200, battery of lens 200 profile is bar shaped Slub type structure.Battery of lens 200 entirety presents multimodal.
Please refer to Fig. 4 d and Fig. 4 e, Fig. 4 d shows in a kind of LED light source that the present invention provides another The ray tracing schematic diagram of a kind of battery of lens, Fig. 4 e shows the another of a kind of LED light source that the present invention provides A kind of distribution curve flux schematic diagram.
In the present embodiment, battery of lens 200 entirety presents three peaks.One, battery of lens 200 centre is bimodal Lens, the both sides of bimodal lens are respectively arranged with unimodal lens, wherein, the C0-180 of bimodal lens Cross-sectional view is bimodal lens-type, and C90-270 cross-sectional view is unimodal lens-type, unimodal lens C0-180 cross-sectional view is unimodal lens-type, and C90-270 cross-sectional view is unimodal lens-type.Especially Ground, the radius of curvature of each lens in battery of lens 200 is different, and battery of lens 200 is multiple lens The cambered surface that the radius of curvature of composition is different combines.Can draw from Fig. 4 d, LED light source center sends In white light, the more blue ray existed in the first angular regions scatters to both sides through bimodal lens, and Carry out a certain degree of convergence, in the white light that LED light source center sends, the second angle in one direction The more yellow light existed in region carries out a certain degree of meeting in one direction through unimodal lens Poly-, i.e. battery of lens 200 is by the more blue ray existed in the first angular regions and the second angular regions The more yellow light of interior existence, in the enterprising line convergence of certain angle direction, now reaches on this angle direction The most intensive to light, there is light intensity maximum.Can draw from Fig. 4 e, the LED light source that the present invention provides The curve of C0-180 light distribution surface is symmetrical Vespertilio aerofoil profile, largest light intensity value at ± 60 degree to ± 65 degree, light Beam angle about 145 degree；The curve of C90-270 light distribution surface is approximate ellipsoidal, beam angle about 120 degree, the most thoroughly The light that LED light source center is sent by mirror group 200 more guides the direction of illumination value, subtracts Few unnecessary ray waste, improves illuminating light flux utilization rate.
Further embodiment
Please refer to Fig. 5 a, Fig. 5 b and Fig. 5 c, Fig. 5 a shows a kind of LED light that the present invention provides The front view of another battery of lens in source, Fig. 5 b shows in a kind of LED light source that the present invention provides again The left view of a kind of battery of lens, Fig. 5 c shows another lens in a kind of LED light source that the present invention provides The top view of group.Therefrom it follows that battery of lens 200 includes multiple multimodal lens, and multiple multimodal is saturating Mirror order arrangement.In the present embodiment, battery of lens 200 is symmetrical light-distribution lens group, and wherein, symmetry is joined The sectional view in the C90-270 cross section of optical lens group is the multimodal lens of the symmetrical structure with multiple high point Type.In the present embodiment, the version of each multimodal lens in symmetrical light-distribution lens group can be consistent, It is the symmetrical structure with multiple high points.
Specifically, in the front view of battery of lens 200, the top of battery of lens 200 profile has four poles High point, in four peak types, in the left view of battery of lens 200, the top of battery of lens 200 profile has three Individual high point, in three peak types, in the top view of battery of lens 200, battery of lens 200 profile is bar shaped Slub type structure.Battery of lens 200 entirety presents multimodal.
Please refer to Fig. 5 d and Fig. 5 e, Fig. 5 d shows in a kind of LED light source that the present invention provides again The ray tracing schematic diagram of a kind of battery of lens, Fig. 5 e shows that a kind of LED light source that the present invention provides is again A kind of distribution curve flux schematic diagram.
In the present embodiment, battery of lens 200 includes three multimodal lens, and each multimodal lens have four Individual peak, can be equivalent to middle bimodal lens, the both sides of bimodal lens be respectively arranged with one unimodal Lens.Can draw from Fig. 5 d, in the white light that LED light source center sends, the first angular regions internal memory More blue ray through battery of lens 200(specifically, in battery of lens 200 equivalence bimodal Mirror) scatter to both sides, and carry out a certain degree of convergence in one direction, LED light source center sends White light in, the more yellow light existed in the second angular regions through battery of lens 200(specifically, warp Cross the unimodal lens of equivalence in battery of lens 200) carry out a certain degree of convergence in one direction, the most thoroughly Mirror group 200 is by existence in the more blue ray existed in the first angular regions and the second angular regions More yellow light, in the enterprising line convergence of certain angle direction, now reaches light on this angle direction Intensive, there is light intensity maximum.Can draw from Fig. 5 e, the C0-180 of the LED light source that the present invention provides The curve of light distribution surface is symmetrical Vespertilio aerofoil profile, and largest light intensity value is at ± 60 degree to ± 65 degree, and beam angle is about 145 degree；The curve of C90-270 light distribution surface is approximate cone-shape, beam angle about 80 degree, i.e. battery of lens 200 The light sent at LED light source center more guides the direction of illumination value, and it is unnecessary to reduce Ray waste, improve illuminating light flux utilization rate.
It should be understood that in the above two embodiments, it is with battery of lens 200 for symmetrical light-distribution lens Group is illustrated.Wherein, each unimodal lens in battery of lens 200 and/or multimodal lens are The symmetrical structure of rule.Certainly, thought based on the present invention, battery of lens 200 can also be asymmetric Light-distribution lens group, each unimodal lens and/or multimodal lens in battery of lens 200 are asymmetric structure. In the following embodiments, battery of lens 200 is discussed in detail for asymmetric light-distribution lens group.
Further embodiment
Please refer to Fig. 6 a, Fig. 6 b and Fig. 6 c, Fig. 6 a shows a kind of LED light that the present invention provides The front view of another battery of lens in source, Fig. 6 b shows in a kind of LED light source that the present invention provides again The left view of a kind of battery of lens, Fig. 6 c shows another lens in a kind of LED light source that the present invention provides The top view of group.Therefrom it follows that battery of lens 200 includes bimodal lens and two unimodal lens, Wherein, two unimodal lens are separately positioned on the both sides of bimodal lens.In the present embodiment, lens Group 200 is asymmetric light-distribution lens group, wherein, and the C90-270 cross section of asymmetric light-distribution lens group Figure is the unimodal lens-type of the unsymmetric structure with a peak.In the present embodiment, be arranged on double The unimodal lens of lens both sides, peak can be symmetric arrays, and its shape size is consistent.Each of which is unimodal The version of mirror is unsymmetric structure form.
Specifically, in the front view of battery of lens 200, the top of battery of lens 200 profile has four poles High point, in four peak types, in the left view of battery of lens 200, battery of lens 200 profile is asymmetric, One peak is arranged at its top, in asymmetrical single peak type, in the top view of battery of lens 200, and lens Organize the slub type structure that 200 profiles are bar shaped.Battery of lens 200 entirety presents multimodal.
Please refer to Fig. 6 d and Fig. 6 e, Fig. 6 d shows in a kind of LED light source that the present invention provides again The ray tracing schematic diagram of a kind of battery of lens, Fig. 6 e shows that a kind of LED light source that the present invention provides is again A kind of distribution curve flux schematic diagram.
In the present embodiment, battery of lens 200 has three peaks, middle bimodal lens, bimodal lens Both sides be respectively arranged with unimodal lens.Can draw from Fig. 6 d, LED light source center sends In white light, the more blue ray existed in the first angular regions scatters to both sides through bimodal lens, and Carry out a certain degree of convergence, in the white light that LED light source center sends, the second angle in one direction The more yellow light existed in region carries out a certain degree of meeting in one direction through unimodal lens Poly-, i.e. battery of lens 200 is by the more blue ray existed in the first angular regions and the second angular regions Light is assembled on certain angle direction by the more yellow light of interior existence, now this angle side Reach up to light the most intensive, have light intensity maximum.Can draw from Fig. 6 e, the LED that the present invention provides The curve of the C0-180 light distribution surface of light source is asymmetrical Vespertilio aerofoil profile, largest light intensity value ± 60 degree to ± 65 degree, beam angle about 150 degree；The curve of C90-270 light distribution surface is asymmetric, largest light intensity angle Being about+15 degree, beam angle about 70 degree, the light that i.e. LED light source center is sent by battery of lens 200 is more Guiding have the direction of illumination value, reduce unnecessary ray waste, improve illuminating light flux profit By rate.
Further embodiment
Please refer to Fig. 7 a, Fig. 7 b and Fig. 7 c, Fig. 7 a shows a kind of LED light that the present invention provides The front view of another battery of lens in source, Fig. 7 b shows in a kind of LED light source that the present invention provides again The left view of a kind of battery of lens, Fig. 7 c shows another lens in a kind of LED light source that the present invention provides The top view of group.Therefrom it follows that battery of lens 200 includes three multimodal lens, and three multimodals are saturating Mirror order arrangement.In the present embodiment, battery of lens 200 is asymmetric light-distribution lens group, wherein, non-right The C90-270 cross-sectional view of light-distribution lens group is called to have multiple high point, and the height of multiple high point The multimodal lens-type of degree reduction successively or the most successively unsymmetric structure of rising or highly irregular change.
Specifically, in the front view of battery of lens 200, the top of battery of lens 200 profile has four poles High point, in four peak types, in the left view of battery of lens 200, battery of lens 200 profile is asymmetric, Its top has three high points and reduces the most successively, in asymmetrical three peak types, at battery of lens 200 Top view in, battery of lens 200 profile is the slub type structure of bar shaped.Battery of lens 200 entirety presents non- Symmetrical multimodal.
Please refer to Fig. 7 d and Fig. 7 e, Fig. 7 d shows in a kind of LED light source that the present invention provides again The ray tracing schematic diagram of a kind of battery of lens, Fig. 7 e shows that a kind of LED light source that the present invention provides is again A kind of distribution curve flux schematic diagram.
In the present embodiment, battery of lens 200 includes that three multimodal lens, each multimodal lens have four Individual peak, can be equivalent to middle bimodal lens, the both sides of bimodal lens be respectively arranged with one unimodal Mirror.Can draw from Fig. 7 d, in the white light that LED light source center sends, exist in the first angular regions More blue ray scatter to both sides through battery of lens 200, and carry out to a certain degree in one direction Convergence, in the white light that LED light source center sends, the more sodium yellow existed in the second angular regions Line carries out a certain degree of convergence, i.e. battery of lens 200 by first jiao in one direction through battery of lens 200 The more yellow light existed in the more blue ray existed in degree region and the second angular regions exists On certain angle direction, light is assembled, now reach light on this angle direction the most intensive, have light Strong maximum.Can draw from Fig. 7 e, the song of the C0-180 light distribution surface of the LED light source that the present invention provides Line is asymmetrical Vespertilio aerofoil profile, largest light intensity value at ± 60 degree to ± 65 degree, beam angle about 140 degree； The curve of C90-270 light distribution surface is asymmetric, and largest light intensity angle is about+30 degree, beam angle about 70 Degree, the light that i.e. LED light source center is sent by battery of lens 200 more guides illumination value Direction, reduces unnecessary ray waste, improves illuminating light flux utilization rate.
Thought based on the present invention, for by having multiple high point, and reduces the most successively or highly depends on The battery of lens 200 that the multimodal lens combination of the unsymmetric structure of secondary rising or highly irregular change is formed, with The present embodiment introduction by having three high points, and the multimodal of the unsymmetric structure reduced the most successively is saturating The operation principle of the battery of lens 200 that mirror combination is formed is identical, and the present invention is no longer discussed in detail.
Further embodiment
When battery of lens 200 is asymmetric light-distribution lens group, each unimodal in its asymmetric light-distribution lens group And/or the version of multimodal lens can also present circular configuration, ellipsoidal structure, locally for top view Circular configuration or any one version of locally ellipticity shape structure.Especially, battery of lens 200 by When multiple unimodal lens and multimodal lens combination are formed, the multimodal lens in battery of lens 200 be circular configuration, Any one in ellipsoidal structure, part-circular structure or locally ellipticity shape structure, each unimodal lens Version be along with multimodal lens version change version, can be loop configuration or Any one in part annular structure.
Please refer to Fig. 8 a and Fig. 8 b, Fig. 8 a shows edge in a kind of LED light source that the present invention provides Sectional drawing on battery of lens end face arbitrary diameter direction, Fig. 8 b shows a kind of LED that the present invention provides The top view of another battery of lens in light source.Therefrom it follows that battery of lens 200 includes that two multimodals are saturating Mirror, wherein, each multimodal lens are the round lens of bimodal pattern, and each of which round lens has central fovea Sunken, the version of outer edge bulge.In the present embodiment, battery of lens 200 is asymmetric light-distribution lens group.
Specifically, the battery of lens 200 cross section profile along its end face arbitrary diameter direction all has four poles High point, in four peak types, in the top view of battery of lens 200, battery of lens 200 profile is rounded, and top Outwards there is the structure that height rises and falls at Bu Cong center.Battery of lens 200 entirety presents circle.
Please refer to Fig. 8 c, another luminous intensity distribution that it illustrates a kind of LED light source that the present invention provides is bent Line schematic diagram.
In the present embodiment, battery of lens 200 entirety presents circle, and height is outwards arranged from center at its top The structure risen and fallen.In the white light that LED light source center is sent by battery of lens 200, there is more blue light Line and yellow light scatter and to reach light on certain angle direction the most intensive, have on this angle direction The principle of light intensity maximum is identical with above-described embodiment, the ray tracing principle of its battery of lens 200 and Fig. 4 d Shown consistent, repeat no more here.Can draw from Fig. 8 c, the LED light source that the present invention provides The curve of C0-180 light distribution surface and C90-270 light distribution surface is all symmetrical Vespertilio aerofoil profile, and largest light intensity value exists ± 55 degree to ± 60 degree, beam angle about 150 degree, i.e. LED light source center is sent by battery of lens 200 Light more guides the direction of illumination value, reduces unnecessary ray waste, improves illumination Luminous flux utilization rate.
Further embodiment
Please refer to Fig. 9 a, Fig. 9 b and Fig. 9 c, Fig. 9 a shows a kind of LED light that the present invention provides The front view of another battery of lens in source, Fig. 9 b shows in a kind of LED light source that the present invention provides again The left view of a kind of battery of lens, Fig. 9 c shows another lens in a kind of LED light source that the present invention provides The top view of group.Therefrom it follows that battery of lens 200 includes two multimodal lens, each multimodal lens For the locally ellipticity shape lens of bimodal pattern, its locally ellipticity shape lens have central concave, outer edge bulge Version.In the present embodiment, battery of lens 200 is asymmetric light-distribution lens group.
Specifically, in the front view of battery of lens 200, the top of battery of lens 200 profile has four poles High point, in four peak types, in the left view of battery of lens 200, battery of lens 200 profile is asymmetric, In the top view of battery of lens 200, battery of lens 200 profile is locally ellipticity shape.Battery of lens 200 is overall Present locally ellipticity type, and outwards have the structure of height fluctuating from top center.
Referring to Fig. 9 d, another distribution curve flux that it illustrates a kind of LED light source that the present invention provides shows It is intended to.In the present embodiment, battery of lens 200 entirety presents locally ellipticity shape structure, and it includes more than two Peak lens, each multimodal lens can be equivalent to the locally ellipticity shape lens of two bimodal patterns, and two pairs The locally ellipticity shape lens of peak type all have the version of central concave, outer edge bulge.
In the present embodiment, in the white light that LED light source center is sent by battery of lens 200, exist more Blue ray and yellow light scatter and to reach light on certain angle direction the most intensive, in this angle side The principle upwards having light intensity maximum is identical with above-described embodiment, the ray tracing principle of its battery of lens 200 Consistent with shown in Fig. 6 d, repeat no more here.Can draw from Fig. 9 d, the LED light that the present invention provides The curve of the C0-180 light distribution surface in source is asymmetrical Vespertilio aerofoil profile, and largest light intensity value is at ± 60 degree to ± 65 Degree, beam angle about 145 degree；The curve of C90-270 light distribution surface is asymmetric, and largest light intensity angle is about + 45 degree, beam angle about 70 degree, i.e. the light that LED light source center sends more is led by battery of lens 200 To there being the direction illuminating value, reduce unnecessary ray waste, improve illuminating light flux utilization rate.
It should be understood that when battery of lens 200 is asymmetric light-distribution lens group, asymmetric light-distribution lens The version of each multimodal lens in group can be circular configuration, ellipsoidal structure, part-circular knot Any one in structure or locally ellipticity shape structure.For other versions and can realize the present invention's The asymmetric light-distribution lens group of goal of the invention, broadly falls into scope, and this is not limited by the present invention Fixed.Simultaneously for other versions and the asymmetric light-distribution lens of the goal of the invention that can realize the present invention The principle of group is identical with above-described embodiment, repeats the most one by one.
Further embodiment
Please refer to Figure 10 a, Figure 10 b and Figure 10 c, Figure 10 a shows a kind of LED that the present invention provides The front view of another battery of lens in light source, Figure 10 b shows in a kind of LED light source that the present invention provides The left view of another battery of lens, Figure 10 c shows another in a kind of LED light source that the present invention provides The top view of battery of lens.Therefrom it follows that battery of lens 200 include multimodal lens and four unimodal Lens, multimodal lens are bimodal lens, and two unimodal lens in four unimodal lens are arranged on bimodal The side of mirror, the unimodal lens of another two in four unimodal lens are arranged on the opposite side of bimodal lens, its In, the C0-180 cross-sectional view of bimodal lens is bimodal lens-type, and C90-270 cross-sectional view is single Peak lens-type, the C0-180 cross-sectional view of unimodal lens is unimodal lens-type, C90-270 cross section Figure is unimodal lens-type.In the present embodiment, the unimodal lens being arranged on bimodal lens both sides can be right Claiming arrangement, its shape size is consistent.The version of the unimodal lens of each of which is unsymmetric structure form.
Specifically, in the front view of battery of lens 200, the top of battery of lens 200 profile has six poles High point, in six peak types, in the left view of battery of lens 200, the top of battery of lens 200 profile has one Individual peak, in single peak type, in the top view of battery of lens 200, battery of lens 200 profile is bar shaped Slub type structure.Battery of lens 200 entirety presents multimodal.
In the present embodiment, battery of lens 200 has five peaks, middle bimodal lens, bimodal lens Both sides be respectively arranged with two unimodal lens.Especially, the curvature of each lens in battery of lens 200 Radius is different, battery of lens 200 be multiple lens composition radius of curvature different cambered surface combination.
Specifically, the ray tracing principle of battery of lens 200 is consistent with shown in Fig. 4 d, joining of battery of lens 200 Light curve form is consistent with shown in Fig. 4 e, and the present embodiment is not repeated here.
Further embodiment
For above-described embodiment, essentially describe the combinative structure form of battery of lens 200, meanwhile, this The bright structure also disclosing LED light source component, refers to Figure 11, it illustrates the one that the present invention provides The decomposition texture schematic diagram of LED light source component.Assembly 100 includes: package substrates 101, luminescence chip 102 and fluorescent glue 103.Wherein,
Other parts in LED light source component are played carrying effect by package substrates 101.Preferably, encapsulation base The end 101 is the one in ceramic bases or metallic substrates.In the present embodiment, package substrates 101 is permissible Being provided with column type pedestal 104, cylindrical base 104 is positioned at the center of package substrates 101, plays heat conduction and heat radiation is made With.
Luminescence chip 102 is installed on the upper surface of package substrates 101, and fluorescent glue 103 is coated on luminous core On sheet 102.Specifically, when package substrates 101 is provided with column type pedestal 104, can be by luminescence chip 102 upper surfaces being installed on column type pedestal 104, fluorescent glue 103 is coated on the upper surface of cylindrical base 104 And wrap up luminescence chip 102.
In the present embodiment, the material of battery of lens 200 is silica gel material, by mold cured in encapsulation base The top at the end 101.The bottom center of battery of lens 200 is perpendicular with the upper surface center of luminescence chip 102 Straight conllinear, the upper surface center of luminescence chip 102 is as the center of LED light source component.Luminescence chip 102 The blue ray sent can excite the fluorescent powder grain in fluorescent glue 103 to send yellow light, luminous core The yellow light that the blue ray that sheet 102 sends and the fluorescent powder grain in fluorescent glue 103 are excited to send mixes Closing, ultimately form white light, light now scatters at space uniform, by battery of lens 200 to light The direction of line is adjusted, and light redistributes so that light is irradiated in target illumination field as far as possible.
Especially, package substrates 101 is provided with double bowl-type groove 104 is installed, including: upper bowl groove 1041 and lower bowl groove 1042, refer to Figure 12, it illustrates a kind of LED light source that the present invention provides The decomposition texture schematic diagram of middle another kind of assembly and the close-up schematic view of modular construction.
In the present embodiment, package substrates 101 is provided with double bowl-type and groove 104, double bowl-type cylindricalitys are installed Pedestal 104 has upper bowl groove 1041 and lower bowl groove 1042 two-layer groove, and luminescence chip 102 is positioned at The bottom of lower bowl groove 1042, it is preferable that luminescence chip 102 can be set and be positioned at lower bowl groove 1042 Bottom centre.Fluorescent glue 103 is coated on luminescence chip 102, and fills lower bowl groove 1042, bag Wrap up in luminescence chip 102, it is preferable that fluorescent glue 103 should not be beyond the amount of storage of lower bowl groove 1042, only Fluorescent glue 103 is confined in lower bowl groove 1042, does not overflow.Battery of lens 200 is fixed on encapsulation base The top at the end 101.
Further embodiment
Please refer to Figure 13 a and Figure 13 b, Figure 13 a shows a kind of LED light source that the present invention provides Overall structure schematic diagram, Figure 13 b shows that the decomposition texture of a kind of LED light source that the present invention provides shows It is intended to.
In the present embodiment, assembly 100 is the single lamp 300 of LED encapsulation, and the bottom of battery of lens 200 is provided with Groove, is installed on single for LED encapsulation lamp in groove.
Wherein, the single lamp of LED encapsulation is the single lamp of complete LED encapsulation including a package lens, and it is concrete Including: package substrates 101, luminescence chip 102, fluorescent glue 103 and a package lens 105, once Package lens 105 is hemispherical dome structure form.
In the present embodiment, package substrates 101 is the one of ceramic bases or metallic substrates, to LED light In source component, other parts play carrying effect, play the effect of heat conduction and heat radiation simultaneously.Luminescence chip 102 In the upper surface of package substrates 101, fluorescent glue 103 is coated in package substrates 101 by spraying coating process Surface, and wrap up luminescence chip 102, the material of a hemispheric package lens 105 be silica gel material or One in acrylic (PMMA) material, it is solidificated in the top of package substrates 101.Wherein, thoroughly Assembly 100 is wrapped in the groove that bottom is arranged by mirror group 200, and the light that luminescence chip 102 sends is straight Connecing and inject in battery of lens 200, be adjusted the direction of light by battery of lens 200, light divides again Cloth so that light is irradiated in target illumination field as far as possible.
It should be understood that in above-mentioned all embodiments, battery of lens 200 can be silica-gel lens group, Or epoxy resin lenses group or PMMA(PolymethylMethacrylate, polymethyl methacrylate) Battery of lens or PC(Polycarbonate, Merlon) one in battery of lens.
It should be noted that each embodiment in this specification all uses the mode gone forward one by one to describe, each What embodiment stressed is all the difference with other embodiments, identical similar between each embodiment Part see mutually.
Also, it should be noted in this article, the relational terms of such as first and second or the like is only used One entity or operation are separated with another entity or operating space, and not necessarily requires or secretly Show relation or the order that there is any this reality between these entities or operation.And, term " bag Include ", " comprising " or its any other variant be intended to comprising of nonexcludability, so that bag Include the process of a series of key element, method, article or equipment and not only include those key elements, but also include Other key elements being not expressly set out, or also include for this process, method, article or equipment Intrinsic key element.In the case of there is no more restriction, statement " including ... " limit Key element, it is not excluded that there is also additionally in including the process of described key element, method, article or equipment Identical element.
Above a kind of LED light source provided by the present invention is described in detail, tool used herein Principle and the embodiment of the present invention are set forth by body example, and the explanation of above example is only intended to Help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, According to the thought of the present invention, the most all will change, to sum up institute Stating, this specification content should not be construed as limitation of the present invention.

Claims (19)

1. a fixing Light-Emitting Diode LED light source component, it is characterised in that including: LED light source With the battery of lens being arranged on LED light source；
Described LED light source includes: package substrates, luminescence chip and fluorescent glue, wherein,
Described luminescence chip is installed on the upper surface of described package substrates；
Described fluorescent glue is coated on described luminescence chip；Wherein, described luminescence chip sends blue ray, Blue ray can excite the fluorescent powder grain of coating on described luminescence chip to send yellow light, blue ray It is mixed to form white light, i.e. described LED light source center entirety is presented and sends white light with yellow light Effect；
Described battery of lens includes multiple lens, and wherein, the plurality of lens are unimodal lens and multimodal lens, Described battery of lens is adjusted for the light trend sending described LED light source, so that described lens Yellow light more in more blue ray and the second angular regions in first angular regions of group mixes Close, in the same direction region injection；
Wherein, described battery of lens includes that multiple lens, the plurality of lens are multiple unimodal lens and at least One multimodal lens, wherein, the C0-180 cross-sectional view of described battery of lens is multimodal lens-type, C90-270 The sectional view in cross section is unimodal lens-type；
Or, described battery of lens is an overall lens, and described overall lens is by the plurality of lens one Changing the lens arranged, wherein said battery of lens includes that multiple lens, the plurality of lens are multiple list Peak lens and at least one multimodal lens, the C0-180 cross-sectional view of described battery of lens is multimodal lens-type, The sectional view in C90-270 cross section is unimodal lens-type.
Fixing Light-Emitting Diode LED light source component the most according to claim 1, it is characterised in that Described battery of lens includes described multimodal lens and two described unimodal lens, described multimodal lens For bimodal lens, two described unimodal lens are separately positioned on the both sides of described bimodal lens, wherein,
The C0-180 cross-sectional view of described bimodal lens is bimodal lens-type, C90-270 cross-sectional view For unimodal lens-type；
The C0-180 cross-sectional view of described unimodal lens is unimodal lens-type, C90-270 cross-sectional view For unimodal lens-type.
Fixing Light-Emitting Diode LED light source component the most according to claim 1 and 2, its feature Being, described battery of lens is symmetrical light-distribution lens group, wherein, and the C90-270 of described symmetrical light-distribution lens group Cross-sectional view is the unimodal lens-type of the symmetrical structure with a peak.
Fixing Light-Emitting Diode LED light source component the most according to claim 1, it is characterised in that Described battery of lens is asymmetric light-distribution lens group, wherein, and the C90-270 of described asymmetric light-distribution lens group Cross-sectional view is the unimodal lens-type of the unsymmetric structure with a peak.
Fixing Light-Emitting Diode LED light source component the most according to claim 1, it is characterised in that Described battery of lens is asymmetric light-distribution lens group, wherein, and each list in described asymmetric light-distribution lens group The version of peak and/or multimodal lens is that top view presents circular configuration, ellipsoidal structure, part-circular Structure or any one version of locally ellipticity shape structure.
Fixing Light-Emitting Diode LED light source component the most according to claim 1, it is characterised in that Described multimodal lens are bimodal lens, and described battery of lens includes described bimodal lens and four described lists Peak lens, two described unimodal lens are arranged in order the side being arranged on described bimodal lens, and another two Individual described unimodal lens are arranged in order the opposite side being arranged on described bimodal lens, wherein,
The C0-180 cross-sectional view of described bimodal lens is bimodal lens-type, C90-270 cross-sectional view For unimodal lens-type；
The C0-180 cross-sectional view of described unimodal lens is unimodal lens-type, C90-270 cross-sectional view For unimodal lens-type.
Fixing Light-Emitting Diode LED light source component the most according to claim 1, it is characterised in that The distribution curve flux of described battery of lens includes that symmetric form batswing tab distribution curve flux and asymmetric batswing tab luminous intensity distribution are bent Line.
Fixing Light-Emitting Diode LED light source component the most according to claim 1, it is characterised in that Described package substrates is the one in ceramic bases or metallic substrates.
Fixing Light-Emitting Diode LED light source component the most according to claim 1, it is characterised in that Described package substrates is provided with double bowl-type groove is installed, including: upper bowl groove and lower bowl groove, wherein,
Described luminescence chip is positioned at the bottom of described lower bowl groove, and described fluorescent glue is coated on described luminous core On sheet, and fill lower bowl groove.
Fixing Light-Emitting Diode LED light source component the most according to claim 1, it is characterised in that Described fixing LED light source assembly is the single lamp of LED encapsulation, and the bottom of described battery of lens is provided with Groove, is installed on single for described LED encapsulation lamp in described groove.
11. according to the fixing Light-Emitting Diode LED light source group described in claim 1-2, any one of 4-10 Part, it is characterised in that described battery of lens is silica-gel lens group or epoxy resin lenses group or poly-methyl One in acrylic acid methyl ester. PMMA battery of lens or polycarbonate battery of lens.
12. 1 kinds of fixing Light-Emitting Diode LED light source component, it is characterised in that including: LED light source With the battery of lens being arranged on LED light source；
Described LED light source includes: package substrates, luminescence chip and fluorescent glue, wherein,
Described luminescence chip is installed on the upper surface of described package substrates；
Described fluorescent glue is coated on described luminescence chip；Wherein, described luminescence chip sends blue ray, Blue ray can excite the fluorescent powder grain of coating on described luminescence chip to send yellow light, blue ray It is mixed to form white light, i.e. described LED light source center entirety is presented and sends white light with yellow light Effect；
Described battery of lens includes multiple lens, and wherein, the plurality of lens are unimodal lens and multimodal lens, Described battery of lens is adjusted for the light trend sending described LED light source, so that described lens Yellow light more in more blue ray and the second angular regions in first angular regions of group mixes Close, in the same direction region injection；
Described battery of lens includes multiple multimodal lens, wherein, the order arrangement of the plurality of multimodal lens, institute The C0-180 cross-sectional view stating battery of lens is multimodal lens-type, and the sectional view in C90-270 cross section is multimodal Lens-type；
Or, described battery of lens is an overall lens, and described overall lens is by the plurality of multimodal lens The lens of integrated setting, wherein, the order arrangement of the plurality of multimodal lens, described battery of lens C0-180 cross-sectional view is multimodal lens-type, and the sectional view in C90-270 cross section is multimodal lens-type.
13. fixing Light-Emitting Diode LED light source component according to claim 12, its feature exists In, described battery of lens is symmetrical light-distribution lens group, wherein, and the C90-270 of described symmetrical light-distribution lens group The sectional view in cross section is the multimodal lens-type of the symmetrical structure with multiple high point.
14. fixing Light-Emitting Diode LED light source component according to claim 12, its feature exists In, described battery of lens is asymmetric light-distribution lens group, wherein, and described asymmetric light-distribution lens group C90-270 cross-sectional view for having multiple high point, and the height of multiple high point reduces successively or The multimodal lens-type of the unsymmetric structure of rising or highly irregular change the most successively.
15. fixing Light-Emitting Diode LED light source component according to claim 12, its feature exists In, the distribution curve flux of described battery of lens includes that symmetric form batswing tab distribution curve flux and asymmetric batswing tab are joined Light curve.
16. fixing Light-Emitting Diode LED light source component according to claim 12, its feature exists In, described package substrates is the one in ceramic bases or metallic substrates.
17. fixing Light-Emitting Diode LED light source component according to claim 12, its feature exists In, described package substrates is provided with double bowl-type groove is installed, including: upper bowl groove and lower bowl groove, Wherein,
Described luminescence chip is positioned at the bottom of described lower bowl groove, and described fluorescent glue is coated on described luminous core On sheet, and fill lower bowl groove.
18. fixing Light-Emitting Diode LED light source component according to claim 12, its feature exists In, described fixing LED light source assembly is the single lamp of LED encapsulation, the bottom of described battery of lens It is provided with groove, single for described LED encapsulation lamp is installed in described groove.
19. according to the fixing Light-Emitting Diode LED light source component described in any one of claim 12-18, It is characterized in that, described battery of lens is silica-gel lens group or epoxy resin lenses group or polymethyl One in acid methyl ester PMMA battery of lens or polycarbonate battery of lens.
CN201210574643.8A 2012-12-26 2012-12-26 A kind of LED light source Expired - Fee Related CN103032774B (en)

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