CN102720971A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN102720971A CN102720971A CN2012102182378A CN201210218237A CN102720971A CN 102720971 A CN102720971 A CN 102720971A CN 2012102182378 A CN2012102182378 A CN 2012102182378A CN 201210218237 A CN201210218237 A CN 201210218237A CN 102720971 A CN102720971 A CN 102720971A
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Abstract
The invention relates to a lighting device which is arranged on a mounting surface and comprises a light guide body, a light source and a light projection unit, wherein the light guide body is provided with a hole; the inner circumferential surface of the hole is a light-in surface; the light guide body is also provided with a light reflecting surface and a light-out surface opposite to each other; the light-out surface and the light reflecting surface are adjacent to the light-in surface; the light source is arranged in the hole and provides a light beam which enters the light guide body through the light-in surface; the light projection unit is arranged on the downstream side of the path of the light beam; a first part of the light beam is emitted out from the light-out surface in a direction away from the mounting surface; a second part of the light beam enters the light projection unit along the path; the light projection unit projects the second part of the light beam onto the mounting surface to form halo; the light guide body can offer the major lighting; and the light projection unit can generate a halo effect on the setting surface of the lighting device.
Description
Technical field
The present invention relates to a kind of lighting device, relate in particular to the structure of this lighting device.
Background technology
Utilize the light source module of luminescence component collocation leaded light component, be applied in the lighting field at large.Generally speaking, the light that luminescence component provided is propagated after getting into leaded light component, and light is by the exiting surface outgoing of leaded light component, to form required lighting source then.
In recent years, along with the progress of lighting engineering, above-mentioned light source module is applied in many lightings gradually.In all kinds of luminescence components, (Light Emitting Diode LED) becomes main flow owing to the high and low power consumption of brightness and low contaminative to light emitting diode.
Yet, in traditional lighting, getting into via the incidence surface of leaded light component after the leaded light component from the light of luminescence component, light only can provide dull illuminating effect from the exiting surface outgoing of leaded light component.In other words, traditional lighting can't present diversified illuminating effect, is unfavorable for the development of lighting.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of lighting device, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the present invention realizes through following technical scheme:
Lighting device of the present invention is arranged on the installation surface, and said lighting device comprises:
Light conductor; Said light conductor has the hole; The inner peripheral surface in said hole is an incidence surface, and said light conductor also has reflective surface opposite to one another and exiting surface, and said exiting surface and said reflective surface are adjacent to said incidence surface;
Light source; Said light source is arranged in the said hole; Said light source provides light beam to get into said light conductor via said incidence surface; And
The light projecting unit; Said smooth projecting unit is arranged at the downstream in the path of said light beam; The first of said light beam is via said exiting surface and toward the outgoing away from the direction of said installation surface; The second portion of said light beam gets into said smooth projecting unit along said path; Said smooth projecting unit projects on the said installation surface second portion of said light beam to form halation.
Compared with prior art, the invention has the beneficial effects as follows: the light conductor of lighting device can mainly throw light on, and the light projecting unit can produce halation result on the arranged illumination devices surface; Lighting device has the good optical design flexibility, so that multiple illumination optical effect to be provided, not only can more can possess effect attractive in appearance in order to illumination.
Description of drawings
Fig. 1 is the three-dimensional exploded perspective view of the lighting device of first embodiment of the invention.
Fig. 2 is the schematic top plan view after the lighting device of Fig. 1 makes up.
Fig. 3 is the generalized section along the hatching line A-A ' of Fig. 2.
Fig. 4 is the three-dimensional exploded perspective view of the lighting device of second embodiment of the invention.
Fig. 5 is the generalized section of the lighting device of second embodiment along the hatching line A-A ' of Fig. 2.
Fig. 6 is lighting device of the present invention forms halation on installation surface a sketch map.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
The present invention provides a kind of lighting device, light source is arranged in the hole of light conductor, and lighting device has the light projecting unit, can on the arranged illumination devices surface, produce halation result.
The present invention proposes a kind of lighting device.This lighting device is arranged on the surface.Lighting device comprises: light conductor, light source and light projecting unit.Light conductor has the hole, and the inner peripheral surface in hole is an incidence surface.Light conductor also has reflective surface and exiting surface, and wherein exiting surface and reflective surface are adjacent to incidence surface.Light source is arranged in the hole.Light source provides light beam to get into light conductor via incidence surface.The light projecting unit is arranged at the downstream in the path of light beam.The first of light beam is via exiting surface and toward the outgoing away from the direction on surface.The second portion of light beam gets into the light projecting unit along the path, the light projecting unit projects the surface upward to form halation with the second portion of light beam.
In one embodiment of this invention, above-mentioned light projecting unit is the end of light conductor.The end of light conductor has inclined side.Second portion by the inclined side folded light beam wherein, has angle theta between inclined side and the exiting surface to surperficial to form halation, and 0 ° of < < 90 ° of θ.
In one embodiment of this invention, above-mentioned lighting device also comprises: transparent frame and underframe.Light conductor is located between transparent frame and the underframe, and light source is attached to underframe.
In one embodiment of this invention, above-mentioned lighting device also comprises: locked assembly.Locked assembly is arranged on the underframe.By locked assembly lock transparent frame and underframe and light conductor is located between transparent frame and the underframe, and the bit of locked assembly is within by the scope that underframe defined.
In one embodiment of this invention, above-mentioned transparent frame comprises: at least two combo boxes.
In one embodiment of this invention, above-mentioned light projecting unit is transparent frame.Transparent frame coats the end of light conductor and has bevelled inner side face.The second portion of transparent frame folded light beam by bevelled inner side face to form halation, wherein, has angle a to the surface between the side of bevelled inner side face and light conductor, and 0 ° of < < 90 ° of a.
In one embodiment of this invention, above-mentioned lighting device also comprises: underframe.Light conductor is located between transparent frame and the underframe, and light source is attached to underframe.
In one embodiment of this invention, above-mentioned lighting device also comprises: locked assembly.Locked assembly is arranged on the underframe.By locked assembly lock transparent frame and underframe and light conductor is located between transparent frame and the underframe, and the bit of locked assembly is within by the scope that underframe defined.
In one embodiment of this invention, above-mentioned transparent frame comprises: at least two combo boxes.
In one embodiment of this invention, above-mentioned light conductor is circular LGP, and the hole is a polygon.
In one embodiment of this invention, above-mentioned light conductor is the polygon LGP, and the hole is circular.
In one embodiment of this invention, above-mentioned light conductor is circular LGP, and the hole is circular.
In one embodiment of this invention, above-mentioned light conductor is the polygon LGP, and the hole is a polygon.
In one embodiment of this invention, above-mentioned light source comprises: frame set, at least one metal-cored circuit board and luminescence unit.Metal-cored circuit board is arranged at a side of frame set.Luminescence unit is arranged on the metal-cored circuit board, and the luminescence unit subtend is in incidence surface.
In one embodiment of this invention, above-mentioned luminescence unit is to be selected from: positive light type light emitting diode (top view LED), side light type light emitting diode (side view LED) and combination thereof.
In one embodiment of this invention, above-mentioned frame set comprises: first framework and second framework.First framework and second framework constitute polygonal frame set.Side on each limit of frame set is provided with metal-cored circuit board.
In one embodiment of this invention, above-mentioned lighting device also comprises: reflector plate.Reflector plate is arranged to the reflective surface of subtend in light conductor.
In one embodiment of this invention, above-mentioned lighting device also comprises: diffusion sheet.Diffusion sheet is arranged to the exiting surface of subtend in light conductor.
In one embodiment of this invention, above-mentioned lighting device also comprises: switching frame and Main subrack.The switching frame is attached to light source, and Main subrack is attached to the switching frame.
In one embodiment of this invention, above-mentioned lighting device also comprises: power supply base.Power supply base is attached to underframe.
Based on above-mentioned, lighting device of the present invention has light conductor and light projecting unit.Light source is arranged in the hole of light conductor.Light source can send light beam, and the first of this light beam can be via the exiting surface emission of light conductor.The second portion of this light beam can be delivered in the light projecting unit via light conductor, and is projected on the arranged illumination devices surface by the light projecting unit.Therefore, the light conductor of lighting device can mainly throw light on, and the light projecting unit can produce halation result on the arranged illumination devices surface.Lighting device has the good optical design flexibility, so that multiple illumination optical effect to be provided, not only can more can possess effect attractive in appearance in order to illumination.
[first embodiment]
Fig. 1 is the three-dimensional exploded perspective view of the lighting device of first embodiment of the invention.Fig. 2 is the schematic top plan view after the lighting device of Fig. 1 makes up.Fig. 3 is the generalized section along the hatching line A-A ' of Fig. 2.
Please be simultaneously with reference to figure 1～Fig. 3, lighting device 100a is arranged on the installation surface S (being illustrated in follow-up Fig. 6).This installation surface S for example is that the surface of surface, the wall of ceiling can be in order to install the surface of lighting device 100a or any.Lighting device 100a comprises at least: light conductor 110, light source 120 and light projecting unit 130a.Light conductor 110 has hole 110S, and the inner peripheral surface of hole 110S is an incidence surface 112.Light conductor 110 also has reflective surface opposite to one another 114 and exiting surface 116.Reflective surface 114 is adjacent to incidence surface 112 with exiting surface 116.Light source 120 is arranged among the 110S of hole.Light source 120 provides light beam L to get into light conductor 110 via incidence surface 112.Light projecting unit 130a is arranged at the downstream in the path of light beam L, and wherein light projecting unit 130a can be projected on the installation surface S to form halation with light beam L.
For example, the L1 of first of light beam L is via exiting surface 116 and toward the outgoing away from the direction of the installation surface S that lighting device 100a is set.The second portion L2 of light beam L gets into light projecting unit 130a along the path, light projecting unit 130a goes up the installation surface S that the second portion L2 of light beam L projects lighting device 100a to form halation.
In one embodiment, lighting device 100a can comprise: transparent frame 142a and underframe 144.Light source 120 for example is to be attached on the underframe 144.Transparent frame 142a is combined by four combo box 142s.Yet, the invention is not restricted to this.In the embodiment that other does not illustrate, transparent frame 142a is combined by two, combo box 142s more than three or five.
Utilize locked assembly 150 that light conductor 110 is located in the step between transparent frame 142a and the underframe 144, for example be: at first, underframe 144 is provided with screw seat 152; Then, light conductor 110 is configured between transparent frame 142a and the underframe 144; Afterwards, use screw 156 to see through supplementary plate 154, and transparent frame 142a and underframe 144 are locked together.
As shown in Figure 3, the bit of locked assembly 150 is within the scope that is defined by underframe 144.Because 144 of underframes just belong to non-luminous zone, so, locked assembly 150 is arranged in the scope that underframe 144 defined, make locked assembly 150 can not influence lighting device 100a forms halation in installation surface S effect.
Particularly, lighting device 100a utilizes light projecting unit 130a, and forms special halation result in installation surface S.In the present embodiment, light projecting unit 130a for example is the end 110E of light conductor 110.As shown in Figure 3, the end 110E of light conductor 110 has inclined side Z1.Have angle theta between inclined side Z1 and the exiting surface 116, and 0 ° of < < 90 ° of θ.
When light beam L gets into light projecting unit 130a; And when being passed to inclined side Z1; The second portion L2 of light beam L can on inclined side Z1, produce reflex and outgoing to lighting device 110a, and then on the installation surface S that lighting device 110a is set, form halation.
In addition; When light beam L gets into light projecting unit 130a, and when being passed to inclined side Z1, the also penetrable inclined side Z1 of the light beam L of another part; And via transparent frame 142a outgoing to lighting device 110a, and then make lighting device 110a also have the effect of lateral emitting.
Below will continue to describe the various of lighting device 100a maybe example.
Like Fig. 1～hole 110S shown in Figure 3 is the middle that is arranged at light conductor 110.Yet, the invention is not restricted to this, in the embodiment that other does not illustrate, hole 110S also can be arranged on the optional position in the light conductor 110.Moreover the number of hole 110S and light source 120 can also be arbitrarily that the size of hole 110S can be an arbitrary dimension, viewable design person's demand and deciding.
In addition, as shown in Figure 1, light conductor 110 is circular LGP, and hole 110S is a polygon.Yet, the invention is not restricted to this, in the embodiment that other does not illustrate, light conductor 110 can be circular LGP, and hole 110S is circular; Or light conductor 110 can be the polygon LGP, and hole 110S is circle or polygon, looks closely designer's demand and decides.In view of the above, the outward appearance of lighting device 110a can have preferable design flexibility.
Please with reference to Fig. 1, light source 120 can comprise: frame set 122, at least one metal-cored circuit board 124 and a plurality of luminescence unit 126.Metal-cored circuit board 124 is arranged at a side of frame set 122.A plurality of luminescence units 126 are arranged on the metal-cored circuit board 124, and these luminescence unit 126 subtends are in incidence surface 112.
And frame set 122 can comprise: the first framework 122a and the second framework 122b.The first framework 122a and the second framework 122b constitute polygonal frame set 122.Particularly, metal-cored circuit board 124 can be placed among the first framework 122a, then, sees through the second framework 122b the metal-cored circuit board 124 and the first framework 122a are fixed together.Must explanation be that the present invention does not limit the number and the form that combines of the framework that frame set 122 had.
Side on each limit of frame set 122 all is provided with metal-cored circuit board 124, and luminescence unit 126 is arranged on the metal-cored circuit board 124, and luminescence unit 126 subtends are in the incidence surface 112 of light conductor 110.At this moment; Polygonal light source 120 as shown in Figure 1; Polygonal hole 110S can arrange in pairs or groups; And the inner peripheral surface on metal-cored circuit board 124 subtends each limit of 110S on each limit of frame set 122 in the hole so that from the light beam L of luminescence unit 126 outgoing towards each limit of polygonal hole 110S and incide the light conductor 110.
In addition, in the embodiment that other does not illustrate, the shape of frame set 122 can be circle.When luminescence unit 126 sends light beam L, light beam L is via the inner peripheral surface of the circle of hole 110S, and gets in the light conductor 110.
In addition, luminescence unit 126 can for example be positive light type light emitting diode (top view LED), side light type light emitting diode (side view LED) and combination thereof.Can regulate and control the light emitting path of luminescence unit 126 by this, can make light beam L toward a plurality of different light emitting path outgoing, to produce diversified illuminating effect.
What deserves to be mentioned is that metal-cored circuit board 124 is aluminium flake or other thermal conductive metal plates that in circuit board, bury a whole layer, can provide luminescence unit 126 high efficiency heat radiation approach to help quick heat radiating.So, can increase reliability and the luminous efficiency of luminescence unit 126 when work, also can increase the structural strength of metal-cored circuit board 124.In addition, frame set 122 also can have a plurality of louvres (not illustrating), with further assistance heat radiation.
Moreover lighting device 100a can comprise: power supply base 180 is attached to said underframe 144.Power supply base 180 for example is a power supply unit, to provide electric power to light source 120.
Moreover lighting device 100a also can comprise: switching frame 172 and Main subrack 174, switching frame 172 is attached to light source 120, and Main subrack 174 is attached to switching frame 172.Thus light source 120 is incorporated on the light conductor 110 well.
Consider the uniformity of light utilization ratio that promotes lighting device 100a and the area source that is provided, light conductor 110 also can comprise: a plurality of optical microstructures (not illustrating) are disposed at reflective surface 114.Optical microstructures helps folded light beam and light beam is exported to exiting surface 116.
Hold above-mentioned; Lighting device 100a utilizes the end 110E of light conductor 110 to be used as light projecting unit 130a; The inclined side Z1 that is had by the end 110E of light conductor 110, and exiting surface 116 between formed angle theta (0 ° < θ < 90 °); And can the second portion L2 of light beam L be projected installation surface S, to form special halation result.
[second embodiment]
Fig. 4 is the three-dimensional exploded perspective view of the lighting device of second embodiment of the invention.Schematic top plan view after the lighting device combination of Fig. 4 is identical with Fig. 2, can be with reference to figure 2.Fig. 5 is the generalized section of the lighting device of second embodiment along the hatching line A-A ' of Fig. 2.
Please be simultaneously with reference to figure 2, Fig. 4 and Fig. 5, the structural similarity of the lighting device 100b of second embodiment and the lighting device 100a of first embodiment, identical assembly indicates with identical symbol, and omits relevant narration.
Both are difference: like Fig. 4 and shown in Figure 5, lighting device 100b adopts transparent frame 142b to be used as light projecting unit 130b.Particularly, transparent frame 142b coats the end 110E of light conductor 110, and transparent frame 142b has bevelled inner side face Z2.Have angle a between the side 118 of bevelled inner side face Z2 and light conductor 110, and 0 ° of < < 90 ° of a.Light projecting unit 130b can be used to light beam L is projected on the installation surface S to form halation.
For example, when light beam L is passed to bevelled inner side face Z2, the second portion L2 of light beam L can on bevelled inner side face Z2, produce reflex and outgoing to lighting device 110b, on the installation surface S of lighting device 110b, to form halation.
In addition, when light beam L was passed to bevelled inner side face Z2, the light beam L of another part can penetrate bevelled inner side face Z2, and via transparent frame 142b outgoing to lighting device 110b, so that lighting device 110b has the effect of lateral emitting.
Fig. 6 is lighting device of the present invention forms halation on installation surface a sketch map.Please with reference to Fig. 6, lighting device 100a, 100b can be arranged on the installation surface S, and this installation surface S for example is a ceiling.It may be noted that lighting device 100a, 100b except the main illumination of being carried out from exit facet 116, can also be on installation surface S, around lighting device 100a, 100b, project halation H, and then show illuminating effect not seen before.
In sum, lighting device of the present invention has following advantage at least:
Lighting device has light conductor, light source and light projecting unit.Light source is arranged in the hole of light conductor.When during via the exiting surface outgoing of light conductor, forming lighting source from the light beam of light source.When light beam imported the light projecting unit into, the light projecting unit can be projected to light beam on the installation surface of lighting device, to form halation result not seen before.In addition, light beam can penetrate the light projecting unit, and from transparent frame outgoing, to form the effect of lateral emitting.
In view of the above, lighting device has the good optical design flexibility, so that multiple illumination optical effect to be provided, not only can more can possess illuminating effect attractive in appearance in order to illumination.And,,, thereby obtain more diversified illuminating effect so lighting device can be designed to luminous arbitrarily shape because the hole of light conductor and light conductor can have different shapes.
Though the present invention discloses as above with embodiment; Right its is not in order to limit the present invention; Has common knowledge under any in the technical field; In spirit that does not break away from the present invention and scope, when can doing a little change and retouching, so the present invention's protection domain after looking, attach claims defined is as the criterion.
Claims (15)
1. a lighting device is arranged on the installation surface, it is characterized in that: said lighting device comprises:
Light conductor; Said light conductor has the hole; The inner peripheral surface in said hole is an incidence surface, and said light conductor also has reflective surface opposite to one another and exiting surface, and said exiting surface and said reflective surface are adjacent to said incidence surface;
Light source; Said light source is arranged in the said hole; Said light source provides light beam to get into said light conductor via said incidence surface; And
The light projecting unit; Said smooth projecting unit is arranged at the downstream in the path of said light beam; The first of said light beam is via said exiting surface and toward the outgoing away from the direction of said installation surface; The second portion of said light beam gets into said smooth projecting unit along said path; Said smooth projecting unit projects on the said installation surface second portion of said light beam to form halation.
2. lighting device according to claim 1; It is characterized in that: said smooth projecting unit is the end of said light conductor; The end of said light conductor has inclined side, the second portion that reflects said light beam by said inclined side to said installation surface to form halation; Have angle theta between said inclined side and the said exiting surface, and 0 ° of < < 90 ° of θ.
3. lighting device according to claim 2 is characterized in that also comprising: transparent frame and underframe, said light conductor are located between said transparent frame and the said underframe, and said light source is attached to said underframe.
4. lighting device according to claim 3 is characterized in that also comprising: locked assembly is arranged on the said underframe; By said locked assembly lock said transparent frame and said underframe, and said light conductor is located between said transparent frame and the said underframe, and the bit of said locked assembly is within by the scope that said underframe defined.
5. lighting device according to claim 3 is characterized in that: said transparent frame comprises at least two combo boxes.
6. lighting device according to claim 1 is characterized in that: said smooth projecting unit is transparent frame, and said transparent frame coats the end of said light conductor; Said transparent frame has bevelled inner side face, said transparent frame is reflected said light beam by said bevelled inner side face second portion on the said installation surface to form halation; Have angle a between the side of said bevelled inner side face and said light conductor, and 0 ° of < < 90 ° of a.
7. lighting device according to claim 6 is characterized in that also comprising: underframe; Said light conductor is located between said transparent frame and the said underframe, and said light source is attached to said underframe.
8. lighting device according to claim 7 is characterized in that also comprising: locked assembly is arranged on the said underframe; By said locked assembly lock said transparent frame and said underframe, and said light conductor is located between said transparent frame and the said underframe, and the bit of said locked assembly is within by the scope that said underframe defined.
9. lighting device according to claim 7 is characterized in that: said transparent frame comprises at least two combo boxes.
10. lighting device according to claim 1 is characterized in that: said light conductor is circular LGP, and said hole is polygon or circle.
11. lighting device according to claim 1 is characterized in that: said light conductor is the polygon LGP, and said hole is polygon or circle.
12. lighting device according to claim 1 is characterized in that: said light source comprises: frame set; At least one metal-cored circuit board is arranged at a side of said frame set; And a plurality of luminescence units, being arranged on the said metal-cored circuit board, said luminescence unit subtend is in said incidence surface.
13. lighting device according to claim 12 is characterized in that: said frame set comprises: first framework and second framework; Said first framework and said second framework constitute polygonal said frame set; Side on each limit of said frame set is provided with said metal-cored circuit board.
14. lighting device according to claim 1 is characterized in that also comprising: reflector plate; Said reflector plate is arranged to: subtend is in the said reflective surface of said light conductor.
15. lighting device according to claim 1 is characterized in that also comprising: diffusion sheet; Said diffusion sheet is arranged to: subtend is in the said exiting surface of said light conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102182378A CN102720971A (en) | 2012-06-28 | 2012-06-28 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102182378A CN102720971A (en) | 2012-06-28 | 2012-06-28 | Lighting device |
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| CN102720971A true CN102720971A (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102182378A Pending CN102720971A (en) | 2012-06-28 | 2012-06-28 | Lighting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10894614B1 (en) * | 2020-01-17 | 2021-01-19 | B/E Aerospace, Inc. | Halo light assembly |
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| JP2008034124A (en) * | 2006-07-26 | 2008-02-14 | Stanley Electric Co Ltd | Led lighting fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10894614B1 (en) * | 2020-01-17 | 2021-01-19 | B/E Aerospace, Inc. | Halo light assembly |
| EP3851382A1 (en) * | 2020-01-17 | 2021-07-21 | B/E Aerospace, Inc. | Halo light assembly |
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Application publication date: 20121010 |