CN101561117A - Lighting component and advertisement device with same - Google Patents
Lighting component and advertisement device with same Download PDFInfo
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- CN101561117A CN101561117A CNA2008100904763A CN200810090476A CN101561117A CN 101561117 A CN101561117 A CN 101561117A CN A2008100904763 A CNA2008100904763 A CN A2008100904763A CN 200810090476 A CN200810090476 A CN 200810090476A CN 101561117 A CN101561117 A CN 101561117A
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Abstract
The invention discloses a lighting component and an advertisement device with the same. When a lighting unit is not lightened, a switching unit outputs a first stationary image, while the lighting unit is lightened, the switching unit outputs a second image through the emitted light. During the lightening process, the light penetrates through the diffusion of an optical diffusion unit.
Description
Technical field
The present invention relates to a kind of advertising device, relate in particular to and a kind ofly can show the luminescence component of different images and advertising device according to luminance with luminescence component.
Background technology
Billboard generally is meant and hangs over or be attached to building, as the label of the external wall of shop, company, business shop, mechanism etc., thereby utilizes attracting eyeballs such as the firm name that shows on it, sold goods, item sale.Billboard by day need not be specific illumination just can realize their function, and they can not realize their function at night or under the specified conditions.In order to address this problem, there is billboard with luminous component.
Yet, be configured to when realizing their functions, only show static image by the billboard that utilizes illumination to use at night.
In addition, the billboard with luminous component is regardless of day or night and can both exports mobile image.In this case, even also want supply capability by day, this has caused bigger power consumption.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of can be by day or when not supplying with illuminating power, show rest image, and at night or show the luminescence component of the image different when supplying with illuminating power with rest image.
Another object of the present invention provides a kind of advertising device with luminescence component, its can reduce power consumption and by day with show different images evening.
For the advantage that obtains these and other and according to purpose of the present invention, as concrete expression and generalized description here, provide a kind of luminescence component, it comprises: luminescence unit is used for carrying out luminous according to illuminated message and the electric power imported; Be mounted to the optics diffusion unit that surrounds luminescence unit, be used to spread light from the luminescence unit emission; And switch unit, it is attached to the optics diffusion unit, thereby is positioned on the light path of diffused light, is used for showing identifiable first image non-when luminous, and the light by emission when luminous shows second image.
For the advantage that obtains these and other and according to purpose of the present invention, as concrete expression and generalized description here, provide a kind of advertising device with luminescence component, it comprises: substrate; The visual information that is used for receiving is converted to the controller of illuminated message; Be installed in a plurality of luminescence units of substrate, it is electrically connected to controller, is used for according to illuminated message and luminous; Be mounted to a plurality of optics diffusion units that surround each luminescence unit, be used to spread light from each luminescence unit emission; And switch unit, it is attached to a plurality of diffusion units, thereby is positioned on the light path of diffused light, is used for showing identifiable first image non-when luminous, and the light by emission when luminous shows second image.
When in conjunction with the accompanying drawings, subsequently the detailed description according to the present invention, front of the present invention and other purpose, feature, aspect and advantage will become more apparent.
Accompanying drawing is described
Be used to provide to further understanding of the present invention and the accompanying drawing of having formed a specification part illustrates embodiment of the present invention and be used from specification one and explain principle of the present invention.
In the accompanying drawings:
Figure 1A is at non-assembling view when luminous according to the luminescence component of one embodiment of the present invention;
Figure 1B is the assembling view of luminescence component when luminous of Figure 1A;
Fig. 2 is the integrally-built decomposition diagram of the luminescence component of Figure 1A;
Fig. 3 and 4 is concept maps, and it has shown that the luminescence component of a plurality of Figure 1A is installed in each mounting structure of different buildings or the state on each external wall;
Fig. 5 is the decomposition diagram according to the luminescence component of modification;
Fig. 6 is the perspective view according to the advertising device with luminescence component of one embodiment of the present invention;
Fig. 7 is the mounting rail of Fig. 6 and is installed in the decomposition diagram that the mounting rail place is used to install the installation unit of luminescence component;
Fig. 8 is the line that is presented at respectively along the installation unit of the optics diffusion unit of Fig. 2 and Fig. 7 ' view of coupling access status between the cross section of VIII-VIII ' intercepting; With
Fig. 9 is the flow chart that shows the operation of the advertising device with luminescence component that is used for application drawing 6.
The specific embodiment
To describe preferred implementation of the present invention in detail now, illustrate embodiment in the accompanying drawings.
Afterwards, explain luminescence component with reference to the accompanying drawings in further detail according to the preferred embodiment for the present invention.
Figure 1A be according to the luminescence component of one embodiment of the present invention at non-assembling view when luminous, Figure 1B is the assembling view of luminescence component when luminous of Figure 1A, Fig. 2 is the integrally-built decomposition diagram of the luminescence component of Figure 1A.
As shown in the figure, luminescence component 100 comprises luminescence unit 110, optics diffusion unit 120 and switch unit 130.
The every kind of electronic component that is formed for controlling the control circuit of luminescent device 113 all is installed in circuit board 111 places.With regard to function aspects, circuit board 111 can be called " circuit part ".Circuit part 111 is electrically connected to external devices by cable 115, i.e. computer, thus receive illuminated message.According to illuminated message, determine the kind and the light quantity of light, thereby realize predetermined picture or mobile image.
Fig. 3 and 4 is concept maps, and it has shown and a plurality ofly is installed in each external wall of different buildings or the state on each mounting structure (W) as the luminescence component among Figure 1A.In the drawings, for for simplicity, only show luminescence component 100 by on volume, occupying most optics diffusion unit 120.
With reference to Fig. 3, even when the angle of crooked 90 ° of external wall or mounting structure (W), still optics diffusion unit 120 can be installed continuously.Reason is, as previously described, because the 3rd surface 123 of optics diffusion unit 120 is connected to each other first surface 121 and second surface 122 obliquely.
Under the state that faces with each other on the 3rd surface 123, adjacent diffusion unit 120 can be installed in the corner of external wall (W) continuously.
With reference to Fig. 4, when external wall (W ') when having arcuate shape, comprise the first surface 121 of spill according to the optics diffusion unit 120a of modification of the present invention, this first surface 121 has the cross section of arcuate shape.
As a result, with the shape of external wall (W ') a plurality of luminescence component 100a have been installed accordingly.
Afterwards, with the operation of explaining according to the luminescence component of one embodiment of the present invention.
In case give luminescence unit 110 input illuminated message by external devices, the circuit part 111 of luminescence unit 110 just controls the light emission of selfluminous element 113 according to illuminated message.Luminescent device 113 output R, G, one of B or the combined color between them.By luminous duration or the radiative brightness of circuit part 111 controls.When luminescent device 113 is realized by LED (light emitting diode), can be by the brightness of control current strength control color.
Discharge from the light of luminescence unit 110 emission first surface 121 by optics diffusion unit 120.The image sheet 131 that some light are switched unit 130 is blocked, and other light discharge by light openings 132.Because light is outwards launched,, but see the second image 133-1 that becomes brighter owing to light than first image 133 from luminescence unit 110 emission so human eye be can't see first image 133.Whether luminous based on illuminated message according to luminescence component 100, image 133-1 can be shown as rest image or mobile image.
When cutting off external power, luminescence unit 110 is not worked.Therefore, human eye can be recognized first image 133 that is printed on the switch unit 130.Show first image 133 on image sheet 131, this first image 133 is corresponding to rest image.
As previously described, when luminescence unit 110 is not worked, only see first image 133 of the Figure 1A that is printed on or sticks on the switch unit 130.Yet, when luminescence unit 110 operations, because the light of emission, the mobile image of exportable Figure 1B and rest image (the second image 133-1).Back one situation provides the light brighter than last situation.Therefore, preferably utilize back one situation at night, but utilize last situation by day.
By day, just can realize the advertisement of specific image without power consumption.On the other hand, at night, can realize the advertisement of multiple and brighter static or mobile image than daytime.This can realize suitably utilizing electric power and can improve the efficient of advertisement.
Fig. 5 is the decomposition diagram according to the luminescence component 100 ' of the modification of aforementioned luminescence component 100.Element with the similar luminescence component 100 ' of aforementioned luminescence component is provided similar reference marker, in order to omit its detailed explanation for simplicity.
The first surface 121 ' of the optics diffusion unit 120 ' of luminescence component 100 ' is independent of the 3rd surface 123 ' and forms, and is couple to the 3rd surface 123 ' then.Second surface 122 ' is couple to an end on the 3rd surface 123 ', and in the face of first surface 121 '.Circuit board 111 ' is arranged on the place, space that is limited by first to the 3rd surface 121 ', 122 ', 123 ', and is supported by second surface 122 '.The first terminal 116 ' is couple to a surface of circuit board 111 ', and extends through the opening of second surface 122 '.
Support unit 140 ' is couple to second surface 122 ', thereby forms an inner space by first 141 ' and second portion 142 '.Second terminal 117 ' that is connected with cable 115 ' is arranged on this place, inner space.Second terminal 117 ' removably is couple to the first terminal 116 ' of circuit board 111 '.
Surround a part of support unit 140 ' from the 4th surface 124 ' of second surface 122 ' or the 123 ' extension of the 3rd surface.Can between the 4th surface 124 ' and first 141 ', potted component 143 ' be set.Potted component 143 ' can be used for realizing water-proof function, and has opening in the middle.The first terminal 116 ' passes this opening.Except potted component 143 ', can further provide the sealing ring 145 ' that surrounds first 141 ' periphery.Optics diffusion unit 120 ' is detachably connected to support unit 140 ' by hook, screw etc.
In luminescence component 100 ', luminescence unit 110 ', optics diffusion unit 120 ' and switch unit 130 ' have and the aforementioned embodiments identical functions, and optics diffusion unit 120 ' is configured to separate with support unit 140 '.Therefore,, also can check luminescence component 100 ', thereby can keep in repair luminescence component 100 ' by support unit 140 ' is separated with circuit board 111 ' even when support unit 140 ' is couple to the mounting structure that is used for luminescence component 100 '.
Fig. 6 is the perspective view according to the advertising device with luminescence component 100 200 of one embodiment of the present invention.Afterwards, for for simplicity, luminescence component is called luminescence component 100, but also can be called luminescence component 100 '.
As shown in the figure, advertising device 200 is provided with a plurality of luminescence components 100.A plurality of luminescence components 100 are installed in substrate 210 places.Because luminescence component 100 is provided with continuously, so can be integrally formed on each luminescence component 100 with the image sheet 131 of the attached switch unit 130 of each optics diffusion unit 120.As a result, luminescence component 100 can show a bigger image.
Substrate 210 comprises framework 211, and this framework 211 has formed the whole framework that is used to install each luminescence component 100.Framework 211 can be the cavity with rectangular shape corresponding with the shape of general advertisement plate.As shown in Fig. 3 and 4, framework 211 can form bending or become curved, with corresponding to forming nonlinear external wall (W, W ').
Be provided with a plurality of mounting rails 212 at framework 211 places.Luminescence component 100 is couple to mounting rail 212 respectively.
Fig. 7 is the mounting rail of Fig. 6 and is installed in mounting rail 212 places and is configured to install the decomposition diagram of the installation unit 213 of luminescence component.
A surface at installation unit 213 is formed with the chute 213-1 that is cut out continuously accordingly with slide rail 212-1.The jag 213-1 ' that forms the installation unit 213 of chute 213-1 engages with the notch portion 212-2 of slide rail 212-1.Chute 213-1 and slide rail 212-1 have formed slipper 215, can go up in glide direction (S) thus installation unit 213 slips are couple to mounting rail 212.
Because formed slipper 215, can slide continuously and be couple to mounting rail 212 so be assembled with the installation unit 213 of luminescence component 100.When mounting rail 212 was not parallel to ground and is provided with, the installation unit 213 that is assembled with luminescence component 100 fell automatically by gravity, and stack continuously on the length direction of mounting rail 212 thus has preferential order the closer to the installation unit 213 on ground.
Hollowly form the part 213-2 that has living space at a side place relative with the chute 213-1 of installation unit 213.Place, both sides at space segment 213-2 is formed with mounting portion 213-3 highlightedly.The luminescence unit 110 (with reference to Fig. 2) of luminescence component 100 is supported by mounting portion 213-3.Because space segment 213-2 can stop the electronic component and the installation unit 213 that are installed on circuit board 111 rear surfaces (surface that does not illustrate among Fig. 2) mechanically to disturb.
Be couple at support unit 140 ' under the state of installation unit 213, luminescence component 100 ' can be couple to mounting rail 212.On the contrary, by locate to construct the chute 213-1 and the jag 213-1 ' of installation unit 213 at the second portion 142 ' of support unit 140 ' (with reference to Fig. 5), just luminescence component 100 ' directly can be couple to mounting rail 212 without installation unit 213.
Fig. 8 is the line that is presented at respectively along the installation unit 213 of the optics diffusion unit 120 of Fig. 2 and Fig. 7 ' view of connection status between the cross section of VIII-VIII ' intercepting.
As shown in the figure, the periphery along installation unit 213 1 ends forms the groove 213-4 with kerf.Distal process at installation unit 213 forms outstanding ring 213-5 with going out.
Form towards the outstanding outstanding ring 122-2 in opening 122-1 middle part at the side place of optics diffusion unit 120 second surfaces 122.Outstanding ring 122-2 has discrete form.
Under optics diffusion unit 120 and state that installation unit 213 aligns, extruding optics diffusion unit 120, thus simply be couple to installation unit 213 in the mode of snap close.
More particularly, when with respect to installation unit 213 extruding optics diffusion units 120, outstanding ring 122-2 broadens, and by slip on the outstanding ring 213-5 of installation unit 213 among the insertion groove 213-4.Therefore, the outstanding ring 122-2 of optics diffusion unit 120 is pinned by the outstanding ring 213-5 of installation unit 213.As a result, can stop optics diffusion unit 120 easily to separate from installation unit 213.
When optics diffusion unit 120 will be when installation unit 213 separates, the outstanding ring 122-2 of installation unit 213 is broadened and carry out lock out operation.If measure abnormal operation from being installed on installation unit 213 and being connect, just after installation unit 213 simple separation optics diffusion units 120, checking luminescence unit 110 by the luminescence unit 110 that optics diffusion unit 120 surrounds.After the inspection, simply optics diffusion unit 120 is couple to installation unit 213 in the mode of snap close.
Coupling mode between optics diffusion unit 120 and the installation unit 213 can be as the coupling mode between optics diffusion unit 120 ' and the installation unit 213 with being equal to.
Fig. 9 is the flow chart that shows the operation of the advertising device 200 that is used for application drawing 6.
As shown in the figure, advertising device 200 further comprises controller 220 and operating unit 300.
Afterwards, the operation of advertising device 200 will be explained.
External devices (E) (as the computer with image information) is according to supplying with image information and electric power for controller 220 from the ON signal of operating unit 300.Operating unit 300 perhaps is used for surveying illumination and determines whether to carry out photoemissive illumination sensor 320 generation ON signals according to the timer 310 of indicating predetermined time.
According to the ON signal from operating unit 300, controller 220 will be converted to illuminated message from the image information that external devices (E) receives.The illuminated message that luminescence unit 110 receives according to slave controller 220 and luminous.The light of emission is by 120 diffusions of optics diffusion unit, thereby the light openings 132 of passing through switch unit 130 is outwards exported.As a result, human eye can be recognized specific image or the photo that shows, the perhaps image of Yi Donging on advertising device 200 entire portion.
If timer 310 judges that the current times are daytime, perhaps detect current illumination when enough high when illumination sensor 320, operating unit 300 supplies with from the image information and the electric power of external devices (E) reception just for controller 220.
Therefore, luminescence unit 110 is not luminous, does not give advertising device 200 output light thus.Human eye is seen the image 133 that shows on the image sheet 131 of switch unit 130, realized a static image thus.
In the superincumbent embodiment, be explained with reference to the drawings luminescence component and had the advertising device of luminescence component.Yet the present invention is not limited to aforesaid luminescence component and has the advertising device of luminescence component.Those skilled in the art can carry out various modifications to the present invention in technical scope.
As an example, optics diffusion unit 120 is constructed with first surface 121, and first surface 121 has rectangular shape.Yet first surface 121 can have other shape, as triangular shaped, round-shaped or other polygonal shapes.The second and the 3rd surface 122,123 also can have other shapes corresponding with the shape of first surface 121.
As another example, groove 213-4 is formed on installation unit 213 places, and outstanding ring 122-2 is formed on optics diffusion unit 120 places.Yet groove 213-4 can be formed on optics diffusion unit 120 places, and outstanding ring 122-2 can be formed on installation unit 213 places.
As another example, the switch unit 130 of each luminescence component 100 directly is exposed to the front surface of framework 211.Yet, extra front panel is installed can for framework 211, this is that those skilled in the art are easy to infer out.
As another example, advertising device 200 can be provided with a luminescence component 100.
As previously described, be provided with switch unit according to luminescence component of the present invention.Therefore, non-when luminous luminescence component show static image by exterior lighting, and it not only can show rest image when luminous, but also can show mobile image.
In addition, the optics diffusion unit can form the cavity with different shape, on the external wall or mounting structure that luminescence component is installed in have different shape.
Advertising device of the present invention is provided with luminescence component, shows different images with evening with small electric power by day thus.As a result, available higher business efficiency realizes the new pattern of advertising device.
In addition, because advertising device is provided with mounting rail and installation unit, so a plurality of luminescence component can be easy to be installed to advertising device or separate from advertising device.
In addition, because the optics diffusion unit is configured to be couple to simply installation unit or separates from installation unit, thus can be easy to check luminescence unit, thereby only by just keeping in repair luminescence unit from installation unit dissociated optical diffusion unit.
Although under the situation that does not break away from its characteristic, implemented feature of the present invention with several forms, but it is also to be understood that, above-mentioned embodiment is not limited to aforesaid any details, except as otherwise noted, but carry out broad interpretation in the scope that should in claims, define, therefore be intended to contain all changes and modification in the equivalent that drops on claim scope and border or this scope and border by claims.
Claims (20)
1. luminescence component comprises:
Luminescence unit is used for carrying out luminous according to illuminated message and electric power;
Be mounted to the optics diffusion unit that surrounds described luminescence unit, be used to spread light from described luminescence unit emission; With
Switch unit, described switch unit are attached to described optics diffusion unit so that be positioned on the light path of diffused light, and are used for showing identifiable first image non-when luminous, and the light by emission when luminous shows second image.
2. luminescence component according to claim 1, wherein said luminescence unit comprises:
Be used to receive the circuit part of illuminated message; With
Be electrically connected to the luminescent device of described circuit part, be used for according to the illuminated message that receives luminous.
3. luminescence component according to claim 2, wherein said luminescent device comprises one or more light emitting diodes.
4. luminescence component according to claim 1, wherein said optics diffusion unit is embodied as cavity, and this cavity has the described luminescence unit of facing and the surface of opening.
5. luminescence component according to claim 4, wherein said optics diffusion unit comprises:
Be attached to the first surface of described switch unit;
In the face of described luminescence unit and have the second surface of one or more openings; With
With the 3rd surface connected to one another, first and second surfaces.
6. luminescence component according to claim 5, wherein said first surface have the area wideer than second surface, and extend towards described first surface obliquely from described second surface on described the 3rd surface.
7. luminescence component according to claim 2, wherein said optics diffusion unit is embodied as the cavity that is used to receive and support described circuit part, and described optics diffusion unit is coupled to support unit,
The first terminal of wherein said circuit part removably is connected to second terminal that is arranged at described support unit, and described second terminal is connected with cable, and described illuminated message and electric power are imported by described cable.
8. luminescence component according to claim 7 wherein is provided with one or more potted components between described optics diffusion unit and support unit.
9. luminescence component according to claim 1, wherein said switch unit comprises:
The image sheet that shows described first image on it; With
Be formed on the one or more transmission regions on the described image sheet, be used for seeing through diffused light.
10. luminescence component according to claim 9, wherein said one or more transmission regions are embodied as a plurality of light openings that are formed on the described image sheet.
11. the advertising device with luminescence component comprises:
Substrate;
The visual information that is used for receiving is converted to the controller of illuminated message;
Be installed in a plurality of luminescence units of described substrate, described luminescence unit is electrically connected to described controller, is used for according to illuminated message and luminous;
Be mounted to a plurality of optics diffusion units that surround each luminescence unit, be used to spread light from each luminescence unit emission; With
Switch unit, described switch unit are attached to a plurality of diffusion units so that be positioned on the light path of diffused light, and are used for showing identifiable first image non-when luminous, and the light by emission when luminous shows second image.
12. the advertising device with luminescence component according to claim 11, wherein said substrate comprises:
The one or more mounting rails that extend to form in the longitudinal direction;
With a plurality of installation units that described mounting rail couples, be used to install described a plurality of luminescence unit; With
Slipper is used for described installation unit is slidably connected to described mounting rail.
13. the advertising device with luminescence component according to claim 12, wherein said slipper comprises:
Slide rail, described slide rail are formed on a place in described mounting rail and the installation unit, and extend on glide direction; With
Chute, described chute are formed on another place in described mounting rail and the installation unit, and extend on glide direction, thereby insert described slide rail.
14. the advertising device with luminescence component according to claim 12, wherein said one or more mounting rails are a plurality of mounting rails, and described substrate further comprises the framework that is used to install described a plurality of mounting rails.
15. the advertising device with luminescence component according to claim 12 further comprises couplings, is used for removably described optics diffusion unit being coupled to described installation unit.
16. the advertising device with luminescence component according to claim 15, wherein said couplings comprises:
Groove, described groove are formed on a place in described optics diffusion unit and the installation unit; With
Outstanding ring, described outstanding ring is formed on another place in described optics diffusion unit and the installation unit highlightedly and is inserted in the described groove.
17. the advertising device with luminescence component according to claim 11, wherein each luminescence unit all comprises:
With the circuit part that described controller is electrically connected, be used to receive illuminated message; With
Be electrically connected to the luminescent device of described circuit part, be used for according to illuminated message luminous.
18. the advertising device with luminescence component according to claim 15, wherein said luminescent device comprises one or more light emitting diodes.
19. the advertising device with luminescence component according to claim 11, wherein said switch unit comprises:
The image sheet that shows first image on it; With
Be formed on the one or more transmission regions on the described image sheet, be used for seeing through diffused light.
20. the advertising device with luminescence component according to claim 19, wherein said described image sheet is integrally formed on described a plurality of diffusion unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100904763A CN101561117A (en) | 2008-04-16 | 2008-04-16 | Lighting component and advertisement device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100904763A CN101561117A (en) | 2008-04-16 | 2008-04-16 | Lighting component and advertisement device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101561117A true CN101561117A (en) | 2009-10-21 |
Family
ID=41220028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100904763A Pending CN101561117A (en) | 2008-04-16 | 2008-04-16 | Lighting component and advertisement device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101561117A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016971A (en) * | 2011-09-21 | 2013-04-03 | 松下电器产业株式会社 | Illumination device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2327891Y (en) * | 1998-01-25 | 1999-07-07 | 濮刚松 | Optical controlling switch for public light |
| CN2480682Y (en) * | 2001-02-08 | 2002-03-06 | 杨永清 | Photoelectric lamp |
| CN201011430Y (en) * | 2007-01-15 | 2008-01-23 | 高子泉 | Energy-saving advertising lamp |
-
2008
- 2008-04-16 CN CNA2008100904763A patent/CN101561117A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2327891Y (en) * | 1998-01-25 | 1999-07-07 | 濮刚松 | Optical controlling switch for public light |
| CN2480682Y (en) * | 2001-02-08 | 2002-03-06 | 杨永清 | Photoelectric lamp |
| CN201011430Y (en) * | 2007-01-15 | 2008-01-23 | 高子泉 | Energy-saving advertising lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016971A (en) * | 2011-09-21 | 2013-04-03 | 松下电器产业株式会社 | Illumination device |
| US9482417B2 (en) | 2011-09-21 | 2016-11-01 | Panasonic Intellectual Property Management Co., Ltd. | Illumination device |
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Application publication date: 20091021 |