CN205191279U - Light beam controlling means , illuminator and lighting apparatus - Google Patents
Light beam controlling means , illuminator and lighting apparatus Download PDFInfo
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- CN205191279U CN205191279U CN201521031128.0U CN201521031128U CN205191279U CN 205191279 U CN205191279 U CN 205191279U CN 201521031128 U CN201521031128 U CN 201521031128U CN 205191279 U CN205191279 U CN 205191279U
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Abstract
The utility model provides a light beam controlling means, illuminator and lighting apparatus, light beam controlling means contains the cavity that is used for holding light emitting component, and light incidence surface and light exit surface, light emitting component lie in light incidence surface below, and its light that jets out via light exit surface in the light incidence surface gets into light beam controlling means again, and light incidence surface and light exit surface have coincident center pin to the light incidence surface has the effect of assembling to light, and the light incidence surface includes: first incident surface and second incident surface. Because the light -emitting angle that the light incidence surface can dwindle light is so the light incidence surface has the effect of assembling to light to improve the luminance value at light beam controlling means middle part, promoted light beam controlling means's wholeness ability.
Description
Technical field
The utility model relates to field of semiconductor illumination, particularly relates to a kind of light beam manipulation device, light-emitting device and lighting apparatus.
Background technology
In recent years, the application of semiconductor in every field gets more and more, and especially emitting semiconductor is in optical field, and because it is low in energy consumption, volume is little, and the high and advantages such as long service life of brightness, are subject to the favor of numerous insider.In the illumination device, utilize all kinds of lens to coordinate emitting semiconductor to be the mode generally adopted at present, the light fixture adopting this collocation mode to produce can reach good illuminating effect.But the rising angle of existing eight-in-one lens (as shown in Figure 4) is comparatively large, makes the median luminance value of lens not high, the sensation easily allowing people produce light fixture to become clear not.
Utility model content
In view of the above problems, the utility model is proposed to provide a kind of a kind of light beam manipulation device, light-emitting device and the lighting apparatus that overcome the problems referred to above or solve the problem at least in part.
According to one side of the present utility model, provide a kind of light beam manipulation device, comprise the cavity for holding light-emitting component, light incident surface and light exit surface, described light-emitting component is positioned at below described light incident surface, and the light of its injection enters in light beam manipulation device through described light incident surface, penetrate via described light exit surface again, described light incident surface and described light exit surface have the central shaft of coincidence, and described light incident surface, for converging incident ray, comprising:
First incidence surface, is positioned at the prescribed limit of described cavity top centered by described central shaft, has the smooth curved surface protruded to described light-emitting component direction;
Second incidence surface, is positioned at described cavity sidewalls, has the smooth curved surface protruded to described light-emitting component.
Alternatively, described light incident surface also comprises:
3rd incidence surface, connects described first and second incidence surfaces, has the smooth curved surface to protruding away from light-emitting component direction.
Alternatively, described second incidence surface above described cavity to downward-extension time, gradually away from described central shaft.
Alternatively, described light incident surface and light exit surface are all relative to described central shaft Rotational Symmetry.
Alternatively, described light is 0-90 degree when the described light incident surface of incidence relative to the angle of described central shaft, is 0-65 degree relative to the angle of described central shaft when leaving described light incident surface.
Alternatively, described light exit surface is for spreading emergent ray.
Alternatively, described emergent ray is 20-70 degree when leaving described light exit surface relative to the angle of described central shaft.
According to another aspect of the present utility model, additionally provide a kind of light-emitting device, comprise light-emitting component, and light beam manipulation device as described above, described light-emitting component is arranged in the cavity of described light beam manipulation device.
Alternatively, the optical axis of the central shaft that the light incident surface in described light beam manipulation device and described light exit surface overlap and described light-emitting component coincides.
Additionally provide a kind of lighting apparatus according to of the present utility model, comprise substrate more on the one hand, and multiple light-emitting device as described above, described light-emitting device is uniformly distributed on the substrate.
In the utility model embodiment, light beam manipulation device comprises the cavity holding light-emitting component, light incident surface and light exit surface, and light-emitting component is positioned at below light incident surface, the light of its injection enters in light beam manipulation device through light incident surface, then penetrates via light exit surface.Light incident surface, for converging incident ray, includes the first incidence surface and the second incidence surface.Because light incident surface can reduce the rising angle of light, so light incident surface has convergence effect to light, thus improve the brightness value in the middle part of light beam manipulation device.
Further, light exit surface has disperse function to light, can ensure the uniformity of light beam manipulation device overall brightness.By working in coordination of above-mentioned light incident surface and light exit surface, make the median luminance value of light beam manipulation device higher than edge brightness value, not only increase the surface brightness of light beam manipulation device, promote the overall performance of light beam manipulation device further.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of description, and can become apparent, below especially exemplified by detailed description of the invention of the present utility model to allow above-mentioned and other objects, features and advantages of the present utility model.
According to hereafter by reference to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present utility model more.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred embodiment, and is not thought restriction of the present utility model.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 shows the structural representation of the light beam manipulation device according to the utility model embodiment;
Fig. 2 shows the illumination schematic diagram of the light beam manipulation device according to the utility model embodiment;
Fig. 3 a shows the partial structurtes schematic diagram of the light beam manipulation device according to the utility model embodiment;
Fig. 3 b shows the schematic diagram of the prescribed limit of the first incidence surface according to the utility model embodiment;
Fig. 4 shows the structural representation of existing eight-in-one lens;
Fig. 5 shows the distribution curve flux figure of existing eight-in-one lens;
Fig. 6 shows the distribution curve flux figure of the light beam manipulation device according to the utility model embodiment;
Fig. 7 shows existing eight-in-one lens and the actual of light beam manipulation device of the present utility model lights schematic diagram;
Fig. 8 a is the brightness sectional view of the existing eight-in-one lens with face shield;
Fig. 8 b is the brightness sectional view of the light beam manipulation device with face shield of the utility model embodiment;
Fig. 9 shows the structural representation of the light-emitting device according to the utility model embodiment; And
Figure 10 shows the structural representation of the lighting apparatus according to the utility model embodiment.
Detailed description of the invention
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of light beam manipulation device 110.Shown in Fig. 1, Fig. 2 and Fig. 3 a, wherein, Fig. 1 shows the structural representation of the light beam manipulation device 110 according to the utility model embodiment, Fig. 2 shows the illumination schematic diagram of the light beam manipulation device 110 according to an embodiment of the present utility model, and Fig. 3 a shows the partial structurtes schematic diagram of the light beam manipulation device 110 according to the utility model embodiment.
See figures.1.and.2, light beam manipulation device 110 comprises cavity 130, light incident surface 140 and light exit surface 150 for holding light-emitting component 120.Light-emitting component 120 is positioned at below light incident surface 140, and the light 160 of its injection enters in light beam manipulation device 110 through light incident surface 140, then penetrates via light exit surface 150, and light incident surface 140 and light exit surface 150 have the central shaft 170 of coincidence.
Shown in Fig. 1, Fig. 2 and Fig. 3 a, the 140 pairs of light 160 of the light incident surface in light beam manipulation device 110 have convergence effect, and it can comprise: the first incidence surface 141 and the second incidence surface 142:
First incidence surface 141, the prescribed limit centered by the central shaft 170 that the top being positioned at cavity 130 overlaps by light incident surface 140 and light exit surface 150, has the smooth curved surface protruded to light-emitting component 120 direction;
Second incidence surface 142, is positioned at cavity 130 sidewall locations place, has the smooth curved surface protruded to light-emitting component 120.
In the utility model one preferred embodiment, as shown in Figure 3 b, the prescribed limit of the first incidence surface 141 can be, the angle centered by central shaft 170 is in the scope of 30 degree to 40 degree.
The light incident surface 140 that the utility model embodiment provides comprises the first incidence surface 141 and the second incidence surface 142, this structural design can reduce the rising angle of light 160, thus to light 160, there is convergence effect, the brightness value in the middle part of light beam manipulation device 110 can be improved, and then improve the Beam Control performance of light beam manipulation device 110.
In a preferred embodiment, continue with reference to shown in Fig. 3 a, the light incident surface 140 of light beam manipulation device 110 can also comprise the 3rd incidence surface 143, it is positioned at the junction of the first incidence surface 141 and the second incidence surface 142, has the smooth curved surface to protruding away from light-emitting component 120 direction.Thus, the first incidence surface 141 adopts smooth curved surface to be connected with the junction of the second incidence surface 142, can realize the convergence effect to incident ray 160 on the one hand, can increase the aesthetic property of light beam manipulation device 110 entirety on the other hand.
Further, in fig. 3 a, second incidence surface 142 from hold light-emitting component 120 cavity 130 above to downward-extension time, little by little away from the central shaft 170 that light incident surface 140 and light exit surface 150 overlap, adopt the second incidence surface 142 of this patten's design can converge incident ray 160, thus increase the center brightness value of light beam manipulation device 110.
In an optional embodiment, shown in continuing to see figures.1.and.2, light incident surface 140 and light exit surface 150 have the central shaft 170 coincided, and all relative to central shaft 170 Rotational Symmetry, the light 160 that such light-emitting component 120 sends can enter in light beam manipulation device 110 by light incident surface 140 from any direction, light exit surface 150 again through light beam manipulation device 110 goes out light 160 from launched in arbitrary direction, thus the light 160 of light-emitting component 120 is irradiated out fully, reach the optimum state of illumination.
Fig. 4 shows the structural representation of existing eight-in-one lens, these eight-in-one lens comprise light incident surface 140 ' and light exit surface 150 ', light incident surface 140 ' and light exit surface 150 ' have the central shaft 170 ' coincided, light-emitting component 120 ' is positioned at light incident surface 140 ' below, the light 160 ' of its injection enters in eight-in-one lens through light incident surface 140 ', then penetrates via light exit surface 150 '.
The light beam manipulation device 110 that utility model people adopts the utility model to provide has carried out testing obtaining, the light 160 that light-emitting component 120 sends is when incident light incidence surface 140, be 0-90 degree relative to the incident angle of central shaft 170, when leaving light incident surface 140, be 0-65 degree relative to the rising angle of central shaft 170.Light exit surface 150 of the present utility model, for spreading emergent ray 160, when light 160 penetrates from light exit surface 150 on this basis, is 20-70 degree relative to the rising angle of central shaft 170.
Similarly, adopt the existing eight-in-one lens shown in Fig. 4 to carry out experiment to obtain, the light 160 ' that light-emitting component 120 ' sends is when incident light beam strikes surface 140 ', be 0-90 degree relative to the incident angle of central shaft 170 ', when leaving light incident surface 140 ', be 0-90 degree relative to the rising angle of central shaft 170 ', be 30-85 degree relative to the rising angle of central shaft 170 ' when the light exit surface 150 ' of lens.
Drawn by above-mentioned experiment, the light beam manipulation device 110 that the utility model provides is compared with existing eight-in-one lens, the rising angle (0-65 degree) of its light incident surface 140 is less than the rising angle (0-90 degree) of light incident surface 140 ', and the rising angle (20-70 degree) of light exit surface 150 is also less than the rising angle (30-85 degree) of light exit surface 150 '.
In order to the light beam manipulation device 110 in embodiment the utility model clearly reduces rising angle.The distribution curve flux figure of light beam manipulation device 110 that Fig. 5 and Fig. 6 respectively illustrates existing eight-in-one lens and the utility model proposes.Wherein, the transverse axis of distribution curve flux figure represents angle, and the longitudinal axis represents illumination intensity value.As can be drawn from Figure 5, the rising angle (rising angle refers to the angle in distribution curve flux figure corresponding to intensity of illumination maximum) of existing eight-in-one lens is 150 degree; As can be drawn from Figure 6, the rising angle of light beam manipulation device 110 of the present utility model is 135 degree.Therefore, the rising angle of light beam manipulation device 110 of the present utility model is less than the rising angle of existing eight-in-one lens.In addition, can also find out intuitively from the distribution curve flux figure of Fig. 5 and Fig. 6, in the scope of 0 ~ 135 °, in equal angular, the illumination intensity value of light beam manipulation device 110 is obviously higher.
In a specific embodiment of the present utility model, the material of light beam manipulation device 110 can be the translucent resins such as glass, polymethyl methacrylate (PMMA), Merlon (PC), epoxy resin (EP).Fig. 7 shows existing eight-in-one lens and the actual of light beam manipulation device of the present utility model lights schematic diagram, as shown in Figure 7, a and b in Fig. 7 represents that actual that existing eight-in-one lens adopt after face shield lights schematic diagram, c and d represent light beam manipulation device 110 of the present utility model adopt face shield after actually light schematic diagram, wherein, a, b and c, d all adopt identical face shield.Can visually see from Fig. 7, the median luminance value adopting light beam manipulation device 110 of the present utility model to obtain is higher.
Following table 1 shows existing eight-in-one lens and the actual measured result data lighted of the utility model light beam manipulation device 110, and wherein, existing eight-in-one lens and the utility model light beam manipulation device 110 adopt identical material to make.In Table 1, A represents center brightness value, and B represents edge brightness value.Such as, a in Fig. 7 is depicted as existing eight-in-one lens, only have light incident surface through frosted process, the A point brightness value (i.e. center brightness value) of these lens is 4800nit (nit), and B point brightness value (i.e. edge brightness value) is 5500nit.
Table 1
Labor is carried out below in conjunction with table 1:
As can be seen from a and d, the light incident surface 140 ' of existing eight-in-one lens and the light incident surface 140 of the utility model light beam manipulation device 110 are through frosted process, the center brightness value of light beam manipulation device 110 is higher than the center brightness value of existing eight-in-one lens, and the edge brightness value of this light beam manipulation device 110 is lower than the edge brightness value of existing eight-in-one lens.
As can be seen from b and c, the light incident surface 140 of the light incident surface 140 ' of existing eight-in-one lens and light exit surface 150 ' and the utility model light beam manipulation device 110 and light exit surface 150 are all through frosted process, the center brightness value of light beam manipulation device 110 is higher than the center brightness value of existing eight-in-one lens, and the edge brightness value of this light beam manipulation device 110 is lower than the edge brightness value of existing eight-in-one lens.
As can be seen from c and d, the light incident surface 140 of the utility model light beam manipulation device 110 and light exit surface 150 are all through frosted process, and higher through the center brightness value of frosted process than only having light entrance face 140, edge brightness value is low.
Relatively a, b, c and d, in c, when light exit surface 150 and light incident surface 140 are all through frosted process, the center brightness value of light beam manipulation device 110 is the highest, and the difference of median luminance value and edge brightness value is maximum.
Fig. 8 a is the brightness sectional view of the existing eight-in-one lens with face shield, and Fig. 8 b is the brightness sectional view of the light beam manipulation device 110 with face shield of the utility model embodiment, and wherein, both adopt identical material, and identical face shield.Can find out intuitively on the image figure and corresponding briliancy (briliancy is the luminous intensity on unit projected area) curve map, the brightness of light beam manipulation device 110 of the present utility model is higher.In addition, the concrete briliancy statistics according to above-mentioned two width sectional drawings can draw, the briliancy mean value of existing eight-in-one lens is 3.397cd/m
2, the briliancy mean value of light beam manipulation device 110 of the present utility model is 4.521cd/m
2, improve 33% ((4.521-3.397)/3.397 ≈ 33%) by the overall brightness value calculating light beam manipulation device 110 of the present utility model.
In summary, light beam manipulation device 110 of the present utility model is under the prerequisite existing mould not being done to large area improvement, only change the face type of light incident surface 140, thus reduce the rising angle of light beam manipulation device 110, make the brightness value on light beam manipulation device 110 surface improve 33%, substantially increase properties of product.
Conceive based on same utility model, the utility model embodiment still provides a kind of light-emitting device.Fig. 9 shows the structural representation of the light-emitting device according to the utility model embodiment, as shown in Figure 9, light-emitting device 210 can comprise light-emitting component 120 and light beam manipulation device 110, here, light-emitting component 120 is light sources of light-emitting device 210, and light-emitting component 120 can be the elements such as light emitting diode, can be shades of colour in light emitting diode, as white, red etc., the utility model is not restricted this.Light-emitting component 120 can be arranged in the cavity 130 of light beam manipulation device 110, the light 160 that light-emitting component 120 is launched enters light beam manipulation device 110 inside through the light incident surface 140 of light beam manipulation device 110, is emitting through light exit surface 150.
In an optional embodiment, the central shaft 170 that light incident surface 140 in light beam manipulation device 110 and light exit surface 150 overlap coincides with the optical axis of light-emitting component 120, and the optical axis of light-emitting component 120 refers to a light from light-emitting component 120 outgoing beam center here.
Conceive based on same utility model, the utility model embodiment still provides a kind of lighting apparatus.Figure 10 shows the structural representation of the lighting apparatus according to the utility model embodiment, as shown in Figure 10, lighting apparatus 310 can comprise substrate 220 and multiple light-emitting device 210, multiple light-emitting device 210 is evenly distributed on substrate 220, such as, can be formulated on substrate 220 with the arrangement of regulation and interval.
In the utility model embodiment, multiple identical light-emitting device 210 is arranged on same substrate 220, strengthens the global illumination intensity of lighting apparatus 310.It should be noted that, every advantage of the light beam manipulation device 110 mentioned above stands good in lighting apparatus 310, makes the intensity of illumination of lighting apparatus 310 reach optimum, can be applied to and need compared with in the large space of intense light irradiation.
In actual applications, need light-emitting device 210 and substrate 220 to carry out size fit, number the utility model of light-emitting device 210 is not restricted, and can select according to substrate 220, is only schematic, does not limit the utility model shown in Figure 10.Such as, can by this luminaire applications in ceiling lighting or lamp panel.So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present utility model is illustrate and described herein detailed, but, when not departing from the utility model spirit and scope, still can directly determine or derive other modification many or amendment of meeting the utility model principle according to content disclosed in the utility model.Therefore, scope of the present utility model should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. a light beam manipulation device, comprise the cavity for holding light-emitting component, light incident surface and light exit surface, described light-emitting component is positioned at below described light incident surface, and the light of its injection enters in light beam manipulation device through described light incident surface, then penetrates via described light exit surface, described light incident surface and described light exit surface have the central shaft of coincidence, it is characterized in that, described light incident surface, for converging incident ray, comprising:
First incidence surface, is positioned at the prescribed limit of described cavity top centered by described central shaft, has the smooth curved surface protruded to described light-emitting component direction;
Second incidence surface, is positioned at described cavity sidewalls, has the smooth curved surface protruded to described light-emitting component.
2. light beam manipulation device according to claim 1, is characterized in that, described light incident surface also comprises:
3rd incidence surface, connects described first and second incidence surfaces, has the smooth curved surface to protruding away from light-emitting component direction.
3. light beam manipulation device according to claim 1 and 2, is characterized in that, described second incidence surface above described cavity to downward-extension time, gradually away from described central shaft.
4. light beam manipulation device according to claim 1 and 2, is characterized in that, described light incident surface and light exit surface are all relative to described central shaft Rotational Symmetry.
5. light beam manipulation device according to claim 4, is characterized in that, described light is 0-90 degree when the described light incident surface of incidence relative to the angle of described central shaft, is 0-65 degree relative to the angle of described central shaft when leaving described light incident surface.
6. light beam manipulation device according to claim 1 and 2, is characterized in that, described light exit surface is for spreading emergent ray.
7. light beam manipulation device according to claim 6, is characterized in that, described emergent ray is 20-70 degree when leaving described light exit surface relative to the angle of described central shaft.
8. a light-emitting device, is characterized in that, comprises light-emitting component, and the light beam manipulation device as described in any one of claim 1 to 7, and described light-emitting component is arranged in the cavity of described light beam manipulation device.
9. light-emitting device according to claim 8, wherein, the optical axis of the central shaft that the light incident surface in described light beam manipulation device and described light exit surface overlap and described light-emitting component coincides.
10. a lighting apparatus, is characterized in that, comprises substrate, and multiple light-emitting device as claimed in claim 8, and described light-emitting device is uniformly distributed on the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031128.0U CN205191279U (en) | 2015-12-10 | 2015-12-10 | Light beam controlling means , illuminator and lighting apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031128.0U CN205191279U (en) | 2015-12-10 | 2015-12-10 | Light beam controlling means , illuminator and lighting apparatus |
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| Publication Number | Publication Date |
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| CN205191279U true CN205191279U (en) | 2016-04-27 |
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| CN201521031128.0U Active CN205191279U (en) | 2015-12-10 | 2015-12-10 | Light beam controlling means , illuminator and lighting apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371131A (en) * | 2015-12-10 | 2016-03-02 | 欧普照明股份有限公司 | Light beam control device, light emitting device and illumination equipment |
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2015
- 2015-12-10 CN CN201521031128.0U patent/CN205191279U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371131A (en) * | 2015-12-10 | 2016-03-02 | 欧普照明股份有限公司 | Light beam control device, light emitting device and illumination equipment |
| CN105371131B (en) * | 2015-12-10 | 2023-02-24 | 欧普照明股份有限公司 | Light beam control device, light emitting device, and illumination apparatus |
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