CN104180289A - Flat lamp with functions of illumination and indication after power failure - Google Patents
Flat lamp with functions of illumination and indication after power failure Download PDFInfo
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- CN104180289A CN104180289A CN201410412711.XA CN201410412711A CN104180289A CN 104180289 A CN104180289 A CN 104180289A CN 201410412711 A CN201410412711 A CN 201410412711A CN 104180289 A CN104180289 A CN 104180289A
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- long afterglow
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Abstract
The invention discloses a flat lamp with functions of illumination and indication after power failure. The flat lamp is provided with a reflecting layer, a light guide layer and a diffusion layer sequentially, light sources emit light from side edges of the light guide layer, and the flat lamp is internally provided with long afterglow materials. The flat lamp is of one of four structures; according to the first structure, a long afterglow light-transmitting plastic plate is arranged at least between the reflecting layer and the light guide layer or between the light guide layer and the diffusion layer; according to the second structure, at least one of the reflecting layer, the light guide layer and the diffusion layer is formed by raw materials added with the long afterglow materials; according to the third structure, the surface of at least one of the reflecting layer, the light guide layer and the diffusion layer is provided with a long afterglow coating; according to the fourth structure, at least one of the reflecting layer, the light guide layer and the diffusion layer is made of the raw materials added with the long afterglow materials, and the surface of at least one of the reflecting layer, the light guide layer and the diffusion layer is provided with the long afterglow coating. The flat lamp has a flat light source function as well as a light storage function, can still illuminate continuously after power failure or functions as an indicating lamp after power failure, and is green and energy saving.
Description
Technical field
The present invention relates to a kind of planar lamp structure, be specifically related to a kind of planar lamp structure that the illumination of can providing is provided after long-afterglow material or plays indicative function that arranges in flat lamp after power-off.
Background technology
That the flat lamp of prior art is is plane (can be circular, square or other regular and irregularly shaped) and the parts of the inside are all also plane, mainly reflecting plate, LGP and the diffuser plate of mounting plane shape successively in a housing, and in housing and in the side edge of LGP, light source is installed, in general light source is LED lamp bar, light reaches through multiple reflections the object that improves the uniformity under the acting in conjunction of reflecting plate and LGP, and effectively prevents dazzle by diffuser plate.Further improvement as above-mentioned flat lamp, the applicant has has also further researched and developed the flat lamp of reflecting plate, LGP and diffuser plate one, the flat lamp of diffuser plate and housing one, and one circle LGP is installed again and is adopted the secondary light conduction type flat lamp of high-power single led light source in the side edge of LGP, etc.But these flat lamps after power-off all without any function.
Summary of the invention
In order to address the above problem, the invention provides a kind of flat lamp with power-off back lighting and deixis, this flat lamp with power-off back lighting and deixis not only has the function as conventional planar light source, and there is optical storage function, after power-off, still can continuing illumination or after power-off, have indicator lamp effect, is a kind of Green energy-saving lamp.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of flat lamp with power-off back lighting and deixis, described flat lamp is provided with reflecting layer, optical waveguide layer and diffusion layer successively, light source is in the side edge incident of optical waveguide layer, in described flat lamp, have long-afterglow material, the structure in described flat lamp with long-afterglow material is a kind of in following four kinds of structures:
One, both one of are at least provided with long afterglow light transmission plastic plate between described reflecting layer and described optical waveguide layer and between described optical waveguide layer and described diffusion layer;
Two, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that is added with long-afterglow material aftershaping in raw material;
Three, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating;
Four, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that is added with long-afterglow material aftershaping in raw material, and described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating.
The present invention for the further technical scheme that solves its technical problem and adopt is:
In one embodiment of this invention, described long afterglow light transmission plastic plate is the light-passing plastic sheet that surface scribbles long afterglow coating, described light-passing plastic sheet has the plane of incidence and the exit facet relative with the plane of incidence of light, one of at least upper long afterglow coating that covers of the described plane of incidence and exit facet, the face at long afterglow coating place on light-passing plastic sheet is referred to as to coated face, and the long afterglow coating on described light-passing plastic sheet is a kind of in following four kinds of structures: one, the long afterglow coating of same color covers full described coated face; Two, described coated face is divided at least two regions, and the corresponding long afterglow coating that covers a kind of color in each region covers the not long afterglow coating of color of the same race and forms indicating graphic in different regions; Three, described coated face is divided into the apterium that exposes coated face and the area of coverage that covers long afterglow coating, and described long afterglow coating covers the full described area of coverage and forms indicating graphic; Four, described long afterglow coating has at least two-layerly, and the color difference of described at least two-layer long afterglow coating and coating scope be different forms indicating graphic.Described light-passing plastic sheet can be in raw material, to add the long afterglow light-passing plastic sheet of long-afterglow material aftershaping.
In another embodiment of the present invention, described long afterglow light transmission plastic plate is in raw material, to add the long afterglow light transmission plastic plate of long-afterglow material aftershaping.
Say further, in the third structure in the structure in described flat lamp with long-afterglow material, be that described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating, described long afterglow coating is a kind of in following four kinds of structures:
One, applied of full its place of the long afterglow coating of same color covering;
Two, applied face is divided at least two regions, and the corresponding long afterglow coating that covers a kind of color in each region covers the not long afterglow coating of color of the same race and forms indicating graphic in different regions;
Three, applied face is divided into the apterium that exposes applied and the area of coverage that covers long afterglow coating, and described long afterglow coating covers the full described area of coverage and forms indicating graphic;
Four, described long afterglow coating has at least two-layerly, and the color difference of described at least two-layer long afterglow coating and coating scope be different forms indicating graphic.
Say further, in described flat lamp, have in the 4th kind of structure in the structure of long-afterglow material, it is described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that is added with long-afterglow material aftershaping in raw material, and described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating, the structure of described long afterglow coating is: applied face is divided into the apterium that exposes applied and the area of coverage that covers long afterglow coating, described long afterglow coating covers the full described area of coverage and forms indicating graphic, and the color of the long-afterglow material adding in the raw material of material layer is different from the color of described long afterglow coating.
Say further, the described area of coverage is divided at least two chromatic zoneses again, and the corresponding long afterglow coating that covers a kind of color in each chromatic zones covers the not long afterglow coating of color of the same race and forms indicating graphic in different chromatic zoneses.
Preferably, have in the second and the 4th structure in four kinds of structures of long-afterglow material in described flat lamp, diffusion layer is the material layer that raw material is added with long-afterglow material, and the raw material of described diffusion layer comprises plastic pellet, diffusion particle and long afterglow powder.
Preferably, have in the second and the 4th structure in four kinds of structures of long-afterglow material in described flat lamp, diffusion layer surface has long afterglow coating.
Preferably, described light source is LED light source.
The invention has the beneficial effects as follows: LED flat lamp of the present invention is mainly in flat lamp, to have long-afterglow material, can be a kind of in following four kinds of structures: one, both one of are at least provided with long afterglow light transmission plastic plate between described reflecting layer and described optical waveguide layer and between described optical waveguide layer and described diffusion layer; Two, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that is added with long-afterglow material aftershaping in raw material; Three, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating; Four, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that is added with long-afterglow material aftershaping in raw material, and described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating.Therefore, when having light (comprising flat lamp inner light source and natural daylight) incident, long-afterglow material in flat lamp can be stored light, after power-off, long-afterglow material in flat lamp can slowly discharge light, illumination or indicator lamp effect are provided, such as the minuent illumination after having a power failure for the place such as between the public places such as hotel, office building or domestic hygiene or after turning off the light night, or the light sending after power-off forms pattern, letter and the arrow in the places such as prompting toilet, extra exit, and LED plane of the present invention is a kind of Green energy-saving lamp.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the flat lamp of the first structure of the present invention;
Fig. 2 is the sectional structure schematic diagram of the flat lamp of the second structure of the present invention;
Fig. 3 is the sectional structure schematic diagram of the flat lamp of the third structure of the present invention;
Fig. 4 is the sectional structure schematic diagram of the flat lamp of the 4th kind of structure of the present invention;
Fig. 5 is that indicating graphic of the present invention exemplifies schematic diagram.
The specific embodiment
Below, by specific instantiation explanation the specific embodiment of the present invention, those skilled in the art can understand advantage of the present invention and effect easily by content disclosed in the present specification.The present invention also can other different mode be implemented, and, under not departing from disclosed category, can give different modifications and change that is.
Embodiment: a kind of flat lamp with power-off back lighting and deixis, described flat lamp is provided with reflecting layer 1, optical waveguide layer 2 and diffusion layer 3 successively, light source 4 is in the side edge incident of optical waveguide layer, in described flat lamp, have long-afterglow material, the structure in described flat lamp with long-afterglow material is a kind of in following four kinds of structures:
One, both one of are at least provided with long afterglow light transmission plastic plate 5 between described reflecting layer and described optical waveguide layer and between described optical waveguide layer and described diffusion layer, as shown in Figure 1 (diagram take have long afterglow light transmission plastic plate as example between optical waveguide layer and diffusion layer);
Two, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that is added with long-afterglow material aftershaping in raw material, (diagram take diffusion layer there is long-afterglow material as example) as shown in Figure 2, the present invention is not specifically limited the adding proportion of long-afterglow material, the adding proportion of long-afterglow material does not have fixing scheme, and its ratio should be depending on the kind of long-afterglow material and physicochemical characteristic, the performance of material layer, the application scenario of the thickness of material layer and material layer etc. be concrete;
Three, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating 6, as shown in Figure 3 (diagram take diffusion layer have long afterglow coating as example);
Four, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that is added with long-afterglow material aftershaping in raw material, and described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating 6, (diagram take diffusion layer have in long afterglow coating and diffusion layer raw material be added with long-afterglow material as example) as shown in Figure 4.
In the first structure as shown in Figure 1, described long afterglow light transmission plastic plate can be the light-passing plastic sheet that surface scribbles long afterglow coating, described light-passing plastic sheet has the plane of incidence and the exit facet relative with the plane of incidence of light, one of at least upper long afterglow coating that covers of the described plane of incidence and exit facet, the face at long afterglow coating place on light-passing plastic sheet is referred to as to coated face, and the long afterglow coating on described light-passing plastic sheet is a kind of in following four kinds of structures:
One, the long afterglow coating of same color covers full described coated face;
Two, described coated face is divided at least two regions, and the corresponding long afterglow coating that covers a kind of color in each region covers the not long afterglow coating of color of the same race and forms indicating graphic 7 (example indicating graphic as shown in Figure 5) in different regions;
Three, described coated face is divided into the apterium that exposes coated face and the area of coverage that covers long afterglow coating, and described long afterglow coating covers the full described area of coverage and forms indicating graphic (example indicating graphic as shown in Figure 5);
Four, described long afterglow coating has at least two-layerly, and the color difference of described at least two-layer long afterglow coating and coating scope be different forms indicating graphic (example indicating graphic as shown in Figure 5).
Above-mentioned light-passing plastic sheet can be in raw material, to add the long afterglow light-passing plastic sheet of long-afterglow material aftershaping.
In the first structure as shown in Figure 1, described long afterglow light transmission plastic plate can be also in raw material, to add the long afterglow light transmission plastic plate of long-afterglow material aftershaping.
In flat lamp as shown in Figure 3, have in the third structure in the structure of long-afterglow material, described long afterglow coating is a kind of in following four kinds of structures:
One, applied of full its place of the long afterglow coating of same color covering;
Two, applied face is divided at least two regions, and the corresponding long afterglow coating that covers a kind of color in each region covers the not long afterglow coating of color of the same race and forms indicating graphic (example indicating graphic as shown in Figure 5) in different regions;
Three, applied face is divided into the apterium that exposes applied and the area of coverage that covers long afterglow coating, and described long afterglow coating covers the full described area of coverage and forms indicating graphic (example indicating graphic as shown in Figure 5);
Four, described long afterglow coating has at least two-layerly, and the color difference of described at least two-layer long afterglow coating and coating scope be different forms indicating graphic (example indicating graphic as shown in Figure 5).
In flat lamp as shown in Figure 4, have in the 4th kind of structure in the structure of long-afterglow material, the structure of described long afterglow coating is: applied face is divided into the apterium that exposes applied and the area of coverage that covers long afterglow coating, described long afterglow coating covers the full described area of coverage and forms indicating graphic (example indicating graphic as shown in Figure 5), and the color of the long-afterglow material adding in the raw material of material layer is different from the color of described long afterglow coating.
The above-mentioned area of coverage can be monochromatic, also can be divided at least two chromatic zoneses, the corresponding long afterglow coating that covers a kind of color in each chromatic zones, covers the not long afterglow coating of color of the same race and forms indicating graphic (example indicating graphic as shown in Figure 5) in different chromatic zoneses.
In flat lamp as shown in Figure 2 and Figure 4, have in the second and the 4th structure in the structure of long-afterglow material, comparative optimization be, diffusion layer is the material layer that raw material is added with long-afterglow material, and the raw material of described diffusion layer comprises plastic pellet, diffusion particle and long afterglow powder, the concrete composition proportion of diffusion layer raw material can be decided according to the actual requirements.
In flat lamp as shown in Figure 3 and Figure 4, have in the third and fourth structure in the structure of long-afterglow material, comparative optimization, diffusion layer surface has long afterglow coating.
Described light source is LED light source.
Above-described embodiment is principle of the present invention and embodiment to be not limited to protection scope of the present invention for better illustrating, the equivalence that those skilled in the art do on basis of the present invention is replaced and is all within the scope of the present invention.
Generally, LED flat lamp of the present invention also has a housing 8 for fixed reflector, optical waveguide layer, diffusion layer, light source and the long afterglow light transmission plastic plate that may have.Backboard 9 one can also be set at the diffusion layer back side and play protection internal optical component and supporting role.
Some improvement that the applicant did flat lamp before the application also can be applied in such scheme, for example, diffusion layer and optical waveguide layer are adopted to integrated processing mode that double-layer coextrusion goes out and in the structure of optical waveguide layer back side coating reflection layer, or, one circle LGP and use great power LED or laser are set again as the secondary light conduction type structure of light source in the periphery of optical waveguide layer, or, diffusion layer and housing is one-body molded, or, at the back side of optical waveguide layer coating reflection layer and by the structure of the exiting surface roughening formation diffusion layer of optical waveguide layer, or, the material of optical waveguide layer is become to glass or air layer, etc..
Claims (10)
1. a flat lamp with power-off back lighting and deixis, it is characterized in that: described flat lamp is provided with reflecting layer (1), optical waveguide layer (2) and diffusion layer (3) successively, light source (4) is in the side edge incident of optical waveguide layer, in described flat lamp, have long-afterglow material, the structure in described flat lamp with long-afterglow material is a kind of in following four kinds of structures:
One, both one of are at least provided with long afterglow light transmission plastic plate (5) between described reflecting layer and described optical waveguide layer and between described optical waveguide layer and described diffusion layer;
Two, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that is added with long-afterglow material aftershaping in raw material;
Three, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating (6);
Four, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that is added with long-afterglow material aftershaping in raw material, and described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating.
2. the flat lamp with power-off back lighting and deixis as claimed in claim 1, it is characterized in that: described long afterglow light transmission plastic plate is the light-passing plastic sheet that surface scribbles long afterglow coating, described light-passing plastic sheet has the plane of incidence and the exit facet relative with the plane of incidence of light, one of at least upper long afterglow coating that covers of the described plane of incidence and exit facet, the face at long afterglow coating place on light-passing plastic sheet is referred to as to coated face, and the long afterglow coating on described light-passing plastic sheet is a kind of in following four kinds of structures:
One, the long afterglow coating of same color covers full described coated face;
Two, described coated face is divided at least two regions, and the corresponding long afterglow coating that covers a kind of color in each region covers the not long afterglow coating of color of the same race and forms indicating graphic (7) in different regions;
Three, described coated face is divided into the apterium that exposes coated face and the area of coverage that covers long afterglow coating, and described long afterglow coating covers the full described area of coverage and forms indicating graphic;
Four, described long afterglow coating has at least two-layerly, and the color difference of described at least two-layer long afterglow coating and coating scope be different forms indicating graphic.
3. the flat lamp with power-off back lighting and deixis as claimed in claim 2, is characterized in that: described light-passing plastic sheet is in raw material, to add the long afterglow light-passing plastic sheet of long-afterglow material aftershaping.
4. the flat lamp with power-off back lighting and deixis as claimed in claim 1, is characterized in that: described long afterglow light transmission plastic plate is in raw material, to add the long afterglow light transmission plastic plate of long-afterglow material aftershaping.
5. the flat lamp with power-off back lighting and deixis as claimed in claim 1, is characterized in that: in the third structure, described long afterglow coating is a kind of in following four kinds of structures:
One, applied of full its place of the long afterglow coating of same color covering;
Two, applied face is divided at least two regions, and the corresponding long afterglow coating that covers a kind of color in each region covers the not long afterglow coating of color of the same race and forms indicating graphic in different regions;
Three, applied face is divided into the apterium that exposes applied and the area of coverage that covers long afterglow coating, and described long afterglow coating covers the full described area of coverage and forms indicating graphic;
Four, described long afterglow coating has at least two-layerly, and the color difference of described at least two-layer long afterglow coating and coating scope be different forms indicating graphic.
6. the flat lamp with power-off back lighting and deixis as claimed in claim 1, it is characterized in that: in the 4th kind of structure, the structure of described long afterglow coating is: applied face is divided into the apterium that exposes applied and the area of coverage that covers long afterglow coating, described long afterglow coating covers the full described area of coverage and forms indicating graphic, and the color of the long-afterglow material adding in the raw material of material layer is different from the color of described long afterglow coating.
7. the LED flat lamp with power-off back lighting and deixis as described in claim 5 or 6, it is characterized in that: the described area of coverage is divided at least two chromatic zoneses, the corresponding long afterglow coating that covers a kind of color in each chromatic zones, covers the not long afterglow coating of color of the same race and forms indicating graphic in different chromatic zoneses.
8. the flat lamp with power-off back lighting and deixis as claimed in claim 1, it is characterized in that: in the second and the 4th structure, diffusion layer is the material layer that raw material is added with long-afterglow material, and the raw material of described diffusion layer comprises plastic pellet, diffusion particle and long afterglow powder.
9. the flat lamp with power-off back lighting and deixis as claimed in claim 1, is characterized in that: in the third and fourth structure, diffusion layer surface has long afterglow coating.
10. the flat lamp with power-off back lighting and deixis as claimed in claim 1, is characterized in that: described light source is LED light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410412711.XA CN104180289B (en) | 2014-08-20 | 2014-08-20 | There is the flat lamp of power-off back lighting and deixis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410412711.XA CN104180289B (en) | 2014-08-20 | 2014-08-20 | There is the flat lamp of power-off back lighting and deixis |
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| Publication Number | Publication Date |
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| CN104180289A true CN104180289A (en) | 2014-12-03 |
| CN104180289B CN104180289B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410412711.XA Active CN104180289B (en) | 2014-08-20 | 2014-08-20 | There is the flat lamp of power-off back lighting and deixis |
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| CN101373292A (en) * | 2007-08-20 | 2009-02-25 | 中强光电股份有限公司 | Backlight module |
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| CN104180289B (en) | 2016-04-20 |
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