CN102032465A - Illumination device - Google Patents
Illumination device Download PDFInfo
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- CN102032465A CN102032465A CN2009101786415A CN200910178641A CN102032465A CN 102032465 A CN102032465 A CN 102032465A CN 2009101786415 A CN2009101786415 A CN 2009101786415A CN 200910178641 A CN200910178641 A CN 200910178641A CN 102032465 A CN102032465 A CN 102032465A
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- light
- lighting device
- speculum
- emitting diode
- concave surface
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Abstract
The invention discloses an illumination device. The illumination device comprises at least one light-emitting diode (LED) element and at least one reflector. The reflector corresponds to the at least one LED element and is arranged on one side of the LED element, the reflector is used for reflecting partial light emitted by the LED element, and the rest light emitted by the LED element directly irradiates an irradiation surface.
Description
Technical field
The present invention relates to a kind of lighting device and have at least one speculum, it is the part light at center that this speculum sends with an optical axis in order to the reflection light-emitting diode, and all the other light direct beams that this light-emitting diode sends are to shine a shadow surface.
Background technology
At electronic product under the development trend of environmental protection, power saving, province's energy, High Power LED has little, the multiple advantages such as do not glimmer of long service life, power saving, environmental protection, volume, and the light fixture dealer also researches and develops as light emitting source towards the light-emitting diode that uses low power consumption at present.
Yet this High Power LED belongs to spot light, how to be applied to the emphasis of lighting for relevant dealer's research and development.Utilize light emitting diode as the bulb of light emitting source or light-emitting device etc. though have on the market, when lighting a lamp, only be to make light emitting diode wherein luminous outwardly, do not do appropriate design planning for the angle of light emitting diode illumination and light projector scope etc., so that light fixtures such as those light emitting diode bulbs or light-emitting device fail to provide preferable illuminating effect.
Summary of the invention
Because above-mentioned problem, a purpose of the present invention is used the lighting device of light emitting diode as light emitting source for providing, can be with the shadow surface of light-emitting diode light shaft offset one angle toward this light-emitting diode, to be arranged at the light fixture of refrigerator intraoral illumination display commodity as the super merchant of facility, or be provided as wall lamp, or other purposes are used.
Another object of the present invention is for providing a kind of lighting device, the light that sends by light-emitting diode, part is light direct beam effectively, all the other effective light become converging light, directional light or its combination generally through mirror reflects, with the effective light of the direct projection of shining this light-emitting diode shine originally less than the field of illumination of distance light axle side, make light shaft offset one angle of the shadow surface of light-emitting diode toward this light-emitting diode.
For reaching above-mentioned purpose, the present invention also provides a kind of lighting device, and it comprises at least one light-emitting diode and at least one speculum.This speculum is to should at least one light-emitting diode being arranged on a side of this light-emitting diode, this speculum is the part light at center in order to reflect that this light-emitting diode sends with an optical axis, all the other light direct beams that this light-emitting diode sends are to shine a shadow surface.
In a preferred embodiment of the present invention, the shadow surface of this light-emitting diode is along this light shaft offset one angle.It is the effective light of part at center that this light-emitting diode of this mirror reflects sends with this optical axis, all the other effective light direct beams that this light-emitting diode sends, wherein about 120 degree in the luminous angle of effective light of light-emitting diode.
In a preferred embodiment of the present invention, the direct light of effective light of this light-emitting diode mainly shines the irradiation area of this shadow surface dipped beam axle side, and the illumination of the irradiation area of distance light axle side is mainly provided by the reverberation of this light-emitting diode.
From the above, several lighting devices provided by the invention, multiple speculum is provided, the corresponding at least one light-emitting diode setting of speculum, be arranged on a side of this light-emitting diode, the part light that speculum sends in order to the reflection light-emitting diode, all the other light direct beams that this light-emitting diode sends, to shine a shadow surface, wherein the shadow surface of this light-emitting diode is along this light shaft offset one angle, can be used as convenient super merchant and be arranged at the light fixture of refrigerator intraoral illumination display commodity, or be provided as wall lamp.
Description of drawings
Fig. 1 shows the schematic diagram of the lighting device of first embodiment of the invention;
Fig. 2 is the schematic diagram of another aspect of lighting device of Fig. 1;
Fig. 3 shows the partial enlarged drawing of the lighting device of Fig. 1;
Fig. 4 shows the cutaway view of the lighting device of Fig. 1;
Fig. 5 shows the schematic diagram of an aspect of the speculum of Fig. 1;
Fig. 6 shows the schematic diagram of another aspect of the speculum of Fig. 1;
Fig. 7 shows the schematic diagram of the lighting device of second embodiment of the invention;
Fig. 8 is the partial enlarged drawing of the lighting device of Fig. 7;
Fig. 9 shows the schematic diagram of another aspect of lighting device of second embodiment of the invention; And
Figure 10 shows that lighting device of the present invention is applied to the front view of refrigerator.
The main element symbol description
1,1a, 1b, 1c: lighting device
11: light- emitting diode 12,12a, 12b: speculum
121,121b: 1211: the first pars convolutas of camber reflection portion
Pars convoluta 122 in 1212: the second: end face reflection portion
123: fixed part 123a: first fixed part
123b: second fixed part 14: circuit board
16: bracing frame 161: body
162: reflecting part A: shadow surface
A1: the irradiation area A2 of dipped beam axle side: the irradiation area of distance light axle side
X: optical axis Y: first direction
The specific embodiment
Hereinafter with reference to relevant drawings, a kind of lighting device according to preferred embodiment of the present invention is described.
First embodiment
Fig. 1 shows the schematic diagram of the lighting device of first embodiment of the invention, and Fig. 2 is the schematic diagram of another aspect of lighting device of Fig. 1, and Fig. 3 shows the partial enlarged drawing of the lighting device of Fig. 1, and Fig. 4 shows the cutaway view of the lighting device of Fig. 1.This lighting device 1 comprises at least one light-emitting diode 11 and at least one speculum 12,12 pairs of this speculums should at least one light-emitting diode 11 be arranged on a side of this light-emitting diode 11, speculum 12 corresponding five light-emitting diodes 11 of lighting device 1a as shown in Figure 2, but not as limit.This speculum 12 is the part light at center in order to reflect that this light-emitting diode 11 sends with an optical axis X, and all the other light direct beams that this light-emitting diode 11 sends are to shine a shadow surface A.
As shown in Figure 4, the shadow surface A of this light-emitting diode 11 is offset an angle along optical axis X.The light that this light-emitting diode sends and this optical axis X tool one effective angle, light in this optical axis and this effective angle is effective light, about 120 degree in the luminous angle of effective light of existing common light-emitting diode (being about 60 degree) with optical axis X angle, its effective angle is 60 degree, as shown in Figure 4, but do not exceed with this kind light-emitting diode.More carefully say, it is the effective light of part at center that speculum 12 reflection light-emitting diodes 11 send with optical axis X, all the other effective light direct beams that light-emitting diode 11 sends, the direct light D of effective light of this light-emitting diode 11 mainly shines the irradiation area A1 of this shadow surface A dipped beam axle side, and the illumination of the irradiation area A2 of distance light axle side is mainly provided by the reverberation R of this light-emitting diode 11.
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, this speculum 12 comprises an arcuation concave surface, is arranged at a side of this light-emitting diode 11, and this speculum 12 has single arcuation cross section, along the first direction Y extension of vertical this optical axis X.This speculum 12 comprises camber reflection portion 121, this camber reflection portion 121 has this arcuation concave surface, wherein the cross section of this arcuation concave surface of this speculum 12 can be the part curve (as shown in Figure 5) of an elliptic curve, this arcuation concave surface extends with this first direction Y of this cross section along vertical this optical axis X, this light-emitting diode 11 is preferably near the focus wherein that is arranged at this elliptic curve with bifocal, be controlled so as to by the reverberation R of this speculum 12 reflections and be converging light, by the distance light axle side of this shadow surface of irradiation A after another this focus.Perhaps, the cross section of the arcuation concave surface of this speculum 12 is the part curve (as shown in Figure 6) of a parabolic curve face, this arcuation concave surface should extend along this first direction Y of vertical this optical axis X with this cross section, this light-emitting diode 11 is arranged near the focus of this parabolic curve, the wide directional light that is approximately of this arcuation concave reflection.Perhaps, the cross section of this arcuation concave surface of this speculum 12 is formed by connecting by the part curve of at least one elliptic curve and/or the part curve of at least one parabolic curve face, but not as limit, this cross section also can be arbitrary surface.This speculum 12 is preferably the surface and is coated with the plastic cement of metal or is the plastic cement of surperficial metal-foil-clad band, but not as limit.
As shown in Figure 3, this speculum 12 more comprises biend reflecting part 122, and the two ends with this camber reflection portion 121 are connected respectively, and vertical with this camber reflection portion 121.This speculum 12 more comprises two fixed parts 123, is connected with these two end face reflection portions 122 respectively, and can fixes this speculum 12.
As shown in Figure 3, this lighting device 1 more comprises a circuit board 14, this light-emitting diode 11 and this corresponding speculum 12 thereof are arranged on a surface of this circuit board 14, this speculum 12 is fixedly arranged on this surface of this circuit board 14 by these two fixed parts 123, this light-emitting diode 11 is connected with line electricity on this circuit board 14, this circuit board 14 can be strip, extends along first direction Y.When this lighting device 1 comprises a plurality of light-emitting diode 11, those light-emitting diodes 11 with linearity be arranged on this circuit board 14.
This lighting device 1 more comprises a bracing frame 16, be arranged on another surface of this circuit board 14, in order to support this light-emitting diode 11, this speculum 12 and this circuit board 14, the material of this bracing frame 16 is a metal material, be preferably steel, iron material or aluminium, this bracing frame 16 has the function of radiator (heat sink) simultaneously, in order to conduct the heat that light-emitting diode 11 sends.This bracing frame 16 comprises a body 161 and a reflecting part 162, this body 161 is preferably L like shape, but not as limit, this reflecting part 162 is arranged on the leading edge of this body 161, has reflection function, in order to reflect the light that light-emitting diode 11 sends, cooperate this speculum 12 to limit the rising angle of this light-emitting diode 11, this reflecting part 162 has the metallic reflection face of a polishing, perhaps, establish another speculum (figure does not show) on reflecting part 162, this another speculum has identical material (no longer in addition for giving unnecessary details) with this speculum 12.
Second embodiment
Fig. 7 shows the schematic diagram of the lighting device of second embodiment of the invention, and Fig. 8 is the partial enlarged drawing of the lighting device of Fig. 7.The lighting device 1 of this lighting device 1b and first embodiment is roughly the same, and both differences are as follows.Lighting device 1b comprises a speculum 12b, this speculum 12b comprises a 121b of camber reflection portion, the 121b of this camber reflection portion comprises one first pars convoluta 1211 and one second pars convoluta 1212, this first pars convoluta 1211 has this arcuation concave surface (no longer in addition for giving unnecessary details) of first embodiment, second pars convoluta 1212 has a class ellipsoid concave surface, is connected with this arcuation concave surface.This speculum 12b more comprises an end face reflection portion 122, one first fixed part 123a and one second fixed part 123b, and this end face reflection portion 122 is connected with this first pars convoluta 1211, and vertical this arcuation concave surface.This first fixed part 123a is connected with this end face reflection portion 122, and this second fixed part 123b is connected with this second pars convoluta 1212, and this speculum 12b is fixedly arranged on the circuit board 14 by this first fixed part 123a and the second fixed part 123b.This lighting device 1b is preferably a strip light fixture, and for first pars convoluta 1211 (arcuation concave surface) of this speculum 12b is arranged on side near the lighting device mid point, second pars convoluta 1212 (class ellipsoid concave surface) is arranged on the side away from the lighting device mid point.All the other structures of this lighting device 1b are identical with the lighting device 1 of first embodiment, no longer in addition for giving unnecessary details.
Fig. 9 shows the schematic diagram of another aspect of lighting device of second embodiment of the invention, the speculum 12b of second embodiment is used at the two ends of the strip light fixture of this lighting device 1c, remaining speculum uses the speculum 12 of first embodiment, all the other structures of this lighting device 1c are identical with the lighting device 1 of first embodiment, no longer in addition for giving unnecessary details.
Figure 10 shows that lighting device of the present invention is applied to the front view of refrigerator, above-mentioned lighting device 1,1a, 1b, 1c can be arranged at least one side of shadow surface A to shine this shadow surface A, Figure 10 display illumination device is arranged at the both sides of shadow surface A, but not as limit.
In sum, several lighting devices provided by the invention, multiple speculum is provided, the corresponding at least one light-emitting diode of speculum is arranged on a side of this light-emitting diode, the part light that speculum sends in order to the reflection light-emitting diode, all the other light direct beams that this light-emitting diode sends, to shine a shadow surface, wherein the shadow surface of this light-emitting diode is along this light shaft offset one angle, can be used as convenient super merchant and be arranged at the light fixture of refrigerator intraoral illumination display commodity, or be provided as the usefulness of wall lamp.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the appended claim its equivalent modifications of carrying out or change.
Claims (21)
1. lighting device, it comprises:
At least one light-emitting diode; And
At least one first speculum, to should at least one light-emitting diode being arranged on a side of this light-emitting diode, this first speculum is the part light at center in order to reflect that this light-emitting diode sends with an optical axis, all the other light direct beams that this light-emitting diode sends are to shine a shadow surface.
2. lighting device as claimed in claim 1, wherein the shadow surface of this light-emitting diode is along this light shaft offset one angle.
3. lighting device as claimed in claim 1, the light and this optical axis tool one effective angle that send of this light-emitting diode wherein, the light in this optical axis and this effective angle is effective light, about 60 degree of this effective angle of this light-emitting diode.
4. lighting device as claimed in claim 1, wherein the direct light of effective light of this light-emitting diode mainly shines the irradiation area of this shadow surface dipped beam axle side, and the illumination of the irradiation area of distance light axle side is mainly provided by the reverberation of this light-emitting diode.
5. lighting device as claimed in claim 1, wherein this first speculum comprises an arcuation concave surface, is arranged at a side of this light-emitting diode.
6. lighting device as claimed in claim 1, wherein this first speculum has single arcuation cross section, along the first direction extension of vertical this optical axis.
7. lighting device as claimed in claim 5, wherein this first speculum comprises a camber reflection portion, this camber reflection portion has this arcuation concave surface.
8. lighting device as claimed in claim 7, wherein this camber reflection portion comprises one first pars convoluta and one second pars convoluta, and this first pars convoluta has this arcuation concave surface, and second pars convoluta has a class ellipsoid concave surface and is connected with this arcuation concave surface of this first pars convoluta.
9. as each described lighting device in the claim 5,7 and 8, wherein the cross section of this arcuation concave surface of this first speculum is the part curve of an elliptic curve, this light-emitting diode is arranged near this focus wherein of this elliptic curve with bifocal, be controlled so as to by the reverberation of this first mirror reflects and be converging light, by the distance light axle side of this shadow surface of irradiation after another this focus.
10. as each described lighting device in the claim 5,7 and 8, wherein the cross section of this arcuation concave surface of this first speculum is the part curve of a parabolic curve face, this light-emitting diode is arranged near the focus of this parabolic curve, the wide directional light that is approximately of this arcuation concave reflection.
11. as each described lighting device in the claim 5,7 and 8, wherein the cross section of this arcuation concave surface of this first speculum is formed by connecting by the part curve of at least one elliptic curve and the part curve of at least one parabolic curve face.
12. lighting device as claimed in claim 7, wherein this first speculum also comprises the both ends of the surface reflecting part, and the two ends with this camber reflection portion are connected respectively.
13. lighting device as claimed in claim 12, wherein this first speculum also comprises two fixed parts, is connected with these two end face reflection portions respectively, in order to fix this first speculum.
14. lighting device as claimed in claim 8, wherein this first speculum also comprises an end face reflection portion, one first fixed part and one second fixed part, this end face reflection portion is connected with this first pars convoluta, and vertical this arcuation concave surface, this first fixed part is connected with this end face reflection portion, and this second fixed part is connected with this second pars convoluta.
15. lighting device as claimed in claim 8, wherein this first pars convoluta of this first speculum is arranged on the side of this lighting device mid point, and this second pars convoluta is arranged on the side away from this lighting device mid point.
16. as each described lighting device in the claim 5,6 and 7, it also comprises at least one the 3rd speculum, correspondence is arranged on this light-emitting diode at these lighting device two ends, be arranged on the two ends of this lighting device, the 3rd speculum comprises that this an arcuation concave surface and a class ellipsoid concave surface are connected with this arcuation concave surface, this arcuation concave surface of the 3rd speculum is arranged on the side near this lighting device mid point, and this second pars convoluta is arranged on the side away from this lighting device mid point.
17. lighting device as claimed in claim 1, it also comprises a circuit board, and this light-emitting diode and this first speculum corresponding with it are arranged on a surface of this circuit board, and this light-emitting diode is connected with line electricity on this circuit board.
18. lighting device as claimed in claim 17, it also comprises a bracing frame, be arranged on another surface of this circuit board, in order to support this light-emitting diode, this first speculum and this circuit board, and the function of tool radiator, the material of this bracing frame is a metal material, and the material of this bracing frame is steel, iron material or aluminium.
19. lighting device as claimed in claim 18, wherein this bracing frame comprises a body and a reflecting part, this reflecting part is arranged on the leading edge of this body, in order to reflect the light that this light-emitting diode sends, cooperates this first speculum to limit the rising angle of this light-emitting diode.
20. lighting device as claimed in claim 19, wherein this body is a L like shape, and this reflecting part has the metallic reflection face of a polishing or one second speculum is set on this reflecting part.
21. lighting device as claimed in claim 1, wherein this first speculum is that a surface is coated with the plastic cement of metal or the plastic cement of a surperficial metal-foil-clad band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101786415A CN102032465A (en) | 2009-09-24 | 2009-09-24 | Illumination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101786415A CN102032465A (en) | 2009-09-24 | 2009-09-24 | Illumination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102032465A true CN102032465A (en) | 2011-04-27 |
Family
ID=43885736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101786415A Pending CN102032465A (en) | 2009-09-24 | 2009-09-24 | Illumination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102032465A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105209816A (en) * | 2013-05-10 | 2015-12-30 | 株式会社可乐丽 | Lighting device |
| CN106287403A (en) * | 2015-06-05 | 2017-01-04 | 上海汽车集团股份有限公司 | There is the lamp of reflecting mirror |
| CN108397751A (en) * | 2011-05-20 | 2018-08-14 | 吉佳特锐股份公司 | LED illumination device with adjustable light distribution |
| CN109477619A (en) * | 2016-07-06 | 2019-03-15 | 飞利浦照明控股有限公司 | For wash wall application kick reflector |
-
2009
- 2009-09-24 CN CN2009101786415A patent/CN102032465A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397751A (en) * | 2011-05-20 | 2018-08-14 | 吉佳特锐股份公司 | LED illumination device with adjustable light distribution |
| CN105209816A (en) * | 2013-05-10 | 2015-12-30 | 株式会社可乐丽 | Lighting device |
| CN106287403A (en) * | 2015-06-05 | 2017-01-04 | 上海汽车集团股份有限公司 | There is the lamp of reflecting mirror |
| CN109477619A (en) * | 2016-07-06 | 2019-03-15 | 飞利浦照明控股有限公司 | For wash wall application kick reflector |
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Application publication date: 20110427 |