CN104180289B - There is the flat lamp of power-off back lighting and deixis - Google Patents
There is the flat lamp of power-off back lighting and deixis Download PDFInfo
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- CN104180289B CN104180289B CN201410412711.XA CN201410412711A CN104180289B CN 104180289 B CN104180289 B CN 104180289B CN 201410412711 A CN201410412711 A CN 201410412711A CN 104180289 B CN104180289 B CN 104180289B
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Abstract
The invention discloses a kind of flat lamp with power-off back lighting and deixis, flat lamp is provided with reflecting layer, optical waveguide layer and diffusion layer successively, light source is incident in optical waveguide layer side, has long-afterglow material and be the one in following four kinds of structures in flat lamp: one, one of at least establish long afterglow light transmission plastic plate between reflecting layer and optical waveguide layer and between optical waveguide layer and diffusion layer; Two, to be one of at least that raw material adds long-afterglow material shaping for reflecting layer, optical waveguide layer and diffusion layer; Three, reflecting layer, optical waveguide layer and diffusion layer one of at least have long afterglow coating in surface; Four, reflecting layer, optical waveguide layer and diffusion layer one of at least raw material add long-afterglow material and reflecting layer, optical waveguide layer and diffusion layer one of at least have long afterglow coating in surface.Flat lamp of the present invention not only has planar light source function, and has optical storage function, and still continuing illumination after a loss of power or have indicator lamp effect after a loss of power, is a kind of Green energy-saving lamp.
Description
Technical field
The present invention relates to a kind of planar lamp structure, be specifically related to a kind of long-afterglow material is set in flat lamp after have and illumination can be provided after a loss of power or play the planar lamp structure of indicative function.
Background technology
The flat lamp of prior art is plane (can be circular, square or other regular and irregularly shaped) and the parts of the inside is also all plane, the mainly reflecting plate of mounting plane shape, light guide plate and diffuser plate successively in a housing, and in housing and in the side edge of light guide plate, light source is installed, in general light source is LED lamp bar, light reaches the object improving the uniformity under the acting in conjunction of reflecting plate and light guide plate through multiple reflections, and effectively prevents dazzle by diffuser plate.As the further improvement of above-mentioned flat lamp, the applicant also have developed the flat lamp of reflecting plate, light guide plate and diffuser plate one further, the flat lamp of diffuser plate and housing one, and in the side edge of light guide plate, one circle light guide plate be installed again and adopt the secondary light conduction type flat lamp of high-power single led light source, etc.But these flat lamps are after power is turned off all without any function.
Summary of the invention
In order to solve the 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 plane light source, and there is optical storage function, still can continuing illumination after a loss of power or have indicator lamp effect after a loss of power, is a kind of Green energy-saving lamp.
The present invention in order to the technical scheme solving 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 incident in the side edge of optical waveguide layer, have long-afterglow material in described flat lamp, the structure in described flat lamp with long-afterglow material is the one 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 being 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 being 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 in order to the further technical scheme solving 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 of light and the exit facet relative with the plane of incidence, the described plane of incidence and exit facet are one of at least upper covers long afterglow coating, the face at long afterglow coating place on light-passing plastic sheet is referred to as coated face, and the long afterglow coating on described light-passing plastic sheet is the one 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, the corresponding long afterglow coating covering a kind of color in each region, and the long afterglow coating covering not same color in different regions forms indicating graphic; Three, described coated face is divided into the apterium exposing coated face and the area of coverage covering 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-layer, the different and differently composed indicating graphic of the scope that is coated with of the color of described at least two-layer long afterglow coating.Described light-passing plastic sheet can be the long afterglow light-passing plastic sheet adding long-afterglow material aftershaping in raw material.
In another embodiment of the invention, described long afterglow light transmission plastic plate is the long afterglow light transmission plastic plate adding long-afterglow material aftershaping in raw material.
Say further, have in the third structure in the structure of long-afterglow material in described flat lamp, namely described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers that surface has long afterglow coating, and described long afterglow coating is the one in following four kinds of structures:
One, the long afterglow coating of same color covers applied of its place full;
Two, applied face is divided at least two regions, the corresponding long afterglow coating covering a kind of color in each region, and the long afterglow coating covering not same color in different regions forms indicating graphic;
Three, applied face is divided into the apterium exposing applied and the area of coverage covering 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-layer, the different and differently composed indicating graphic of the scope that is coated with of the color of described at least two-layer long afterglow coating.
Say further, have in the 4th kind of structure in the structure of long-afterglow material in described flat lamp, i.e. described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers being 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 exposing applied and the area of coverage covering 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 added 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 covering a kind of color in each chromatic zones, the long afterglow coating covering not same color in different chromatic zoneses forms indicating graphic.
It is preferred that have in described flat lamp in second in four kinds of structures of long-afterglow material 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.
It is preferred that have in described flat lamp in second in four kinds of structures of long-afterglow material and the 4th structure, diffusion layer surface has long afterglow coating.
It is preferred that described light source is LED light source.
The invention has the beneficial effects as follows: LED planar lamp of the present invention mainly has long-afterglow material in flat lamp, can be the one 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 being 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 being 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 there being light (comprising flat lamp inner light source and natural daylight) incident, long-afterglow material in flat lamp can store light, after a loss of power, long-afterglow material in flat lamp can slow releasing light, illumination or indicator lamp effect are provided, low illumination such as, after having a power failure for the place such as between the public place such as hotel, office building or domestic hygiene or after turning off the light night, or the light sent after power-off forms pattern, letter and the arrow of pointing out the place such as 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.
Detailed description of the invention
Below by way of specific instantiation, the specific embodiment of the present invention is described, 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 be implemented in further, different ways, that is, not departing under disclosed category, can give different modifications and change.
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 incident in the side edge of optical waveguide layer, have long-afterglow material in described flat lamp, the structure in described flat lamp with long-afterglow material is the one 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, (illustrate to have long afterglow light transmission plastic plate between optical waveguide layer and diffusion layer) as shown in Figure 1;
Two, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers being added with long-afterglow material aftershaping in raw material, (illustrate, for diffusion layer, there is long-afterglow material) as shown in Figure 2, the present invention is not specifically limited the adding proportion of long-afterglow material, the scheme that the adding proportion of long-afterglow material is unfixing, its ratio should be concrete depending on the application scenario of the kind of long-afterglow material and physicochemical characteristic, the performance of material layer, the thickness of material layer and material layer etc.;
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, (illustrate and have long afterglow coating for diffusion layer) as shown in Figure 3;
Four, described reflecting layer, optical waveguide layer and diffusion layer three are one of at least the material layers being 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, as shown in Figure 4 (illustrate for diffusion layer there is long afterglow coating and be added with long-afterglow material in diffusion layer raw material).
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 of light and the exit facet relative with the plane of incidence, the described plane of incidence and exit facet are one of at least upper covers long afterglow coating, the face at long afterglow coating place on light-passing plastic sheet is referred to as coated face, and the long afterglow coating on described light-passing plastic sheet is the one 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, the corresponding long afterglow coating covering a kind of color in each region, and the long afterglow coating covering not same color in different regions forms indicating graphic 7 (indicating graphic such as shown in Fig. 5);
Three, described coated face is divided into the apterium exposing coated face and the area of coverage covering long afterglow coating, and described long afterglow coating covers the full described area of coverage and forms indicating graphic (indicating graphic such as shown in Fig. 5);
Four, described long afterglow coating has at least two-layer, the different and differently composed indicating graphic of the scope that is coated with (indicating graphic such as shown in Fig. 5) of the color of described at least two-layer long afterglow coating.
Above-mentioned light-passing plastic sheet can be the long afterglow light-passing plastic sheet adding long-afterglow material aftershaping in raw material.
In the first structure as shown in Figure 1, described long afterglow light transmission plastic plate also can be the long afterglow light transmission plastic plate adding long-afterglow material aftershaping in raw material.
Have in the third structure in the structure of long-afterglow material in flat lamp as shown in Figure 3, described long afterglow coating is the one in following four kinds of structures:
One, the long afterglow coating of same color covers applied of its place full;
Two, applied face is divided at least two regions, the corresponding long afterglow coating covering a kind of color in each region, and the long afterglow coating covering not same color in different regions forms indicating graphic (indicating graphic such as shown in Fig. 5);
Three, applied face is divided into the apterium exposing applied and the area of coverage covering long afterglow coating, and described long afterglow coating covers the full described area of coverage and forms indicating graphic (indicating graphic such as shown in Fig. 5);
Four, described long afterglow coating has at least two-layer, the different and differently composed indicating graphic of the scope that is coated with (indicating graphic such as shown in Fig. 5) of the color of described at least two-layer long afterglow coating.
Have in the 4th kind of structure in the structure of long-afterglow material in flat lamp as shown in Figure 4, the structure of described long afterglow coating is: applied face is divided into the apterium exposing applied and the area of coverage covering long afterglow coating, described long afterglow coating covers the full described area of coverage and forms indicating graphic (indicating graphic such as shown in Fig. 5), and the color of the long-afterglow material added 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 at least two chromatic zoneses can be divided into, the corresponding long afterglow coating covering a kind of color in each chromatic zones, the long afterglow coating covering not same color in different chromatic zoneses forms indicating graphic (indicating graphic such as shown in Fig. 5).
Have in second in the structure of long-afterglow material and the 4th structure in flat lamp as shown in Figure 2 and Figure 4, ratio even more preferably, 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.
Have in the third and fourth structure in the structure of long-afterglow material in flat lamp as shown in Figure 3 and Figure 4, than even more preferably, diffusion layer surface has long afterglow coating.
Described light source is LED light source.
Above-described embodiment is for principle of the present invention and embodiment being better described, being not limited to protection scope of the present invention, and 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 planar 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.
The applicant also can be applied in such scheme some improvement that flat lamp does before the application, such as, the integrated processing mode adopting double-layer coextrusion to go out diffusion layer and optical waveguide layer and structure in optical waveguide layer backsize reflecting layer, or, one circle light guide plate is set in the periphery of optical waveguide layer again and uses great power LED or laser as the secondary light conduction type structure of light source, or, by diffusion layer and housing one-body molded, or, in the backsize reflecting layer of optical waveguide layer and by the structure of the exiting surface roughening of optical waveguide layer formation diffusion layer, or, the material of optical waveguide layer is become glass or air layer, etc..
Claims (2)
1. one kind has the flat lamp of 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 incident in the side edge of optical waveguide layer, have long-afterglow material in described flat lamp, the structure in described flat lamp with long-afterglow material is: 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;
Described long afterglow light transmission plastic plate is the light-passing plastic sheet that surface scribbles long afterglow coating, described light-passing plastic sheet is the long afterglow light-passing plastic sheet adding long-afterglow material aftershaping in raw material, described light-passing plastic sheet has the plane of incidence of light and the exit facet relative with the plane of incidence, the described plane of incidence and exit facet are one of at least upper covers long afterglow coating, the face at long afterglow coating place on light-passing plastic sheet is referred to as coated face, and the long afterglow coating on described light-passing plastic sheet is the one 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, the corresponding long afterglow coating covering a kind of color in each region, and the long afterglow coating covering not same color in different regions forms indicating graphic (7);
Three, described coated face is divided into the apterium exposing coated face and the area of coverage covering 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-layer, the different and differently composed indicating graphic of the scope that is coated with of the color of described at least two-layer long afterglow coating.
2. there is the flat lamp of power-off back lighting and deixis as claimed in claim 1, it is characterized in that: described light source is LED light source.
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| 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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| 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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| CN104180289A CN104180289A (en) | 2014-12-03 |
| CN104180289B true CN104180289B (en) | 2016-04-20 |
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| CN202008043U (en) * | 2011-04-14 | 2011-10-12 | 厦门瑞发莱光电科技有限公司 | Light emitting diode (LED) panel lamp |
| CN102635798A (en) * | 2012-04-05 | 2012-08-15 | 昆山市诚泰电气股份有限公司 | LED plane light source |
| CN204005712U (en) * | 2014-08-20 | 2014-12-10 | 昆山市诚泰电气股份有限公司 | The flat lamp with power-off back lighting and deixis |
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2014
- 2014-08-20 CN CN201410412711.XA patent/CN104180289B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373292A (en) * | 2007-08-20 | 2009-02-25 | 中强光电股份有限公司 | Backlight module |
| CN101515087A (en) * | 2008-02-21 | 2009-08-26 | 鸿富锦精密工业（深圳）有限公司 | Brightness enhancement film and backlight module with brightness enhancement film |
| CN101749554A (en) * | 2008-12-08 | 2010-06-23 | 厦门市光莆电子有限公司 | Energy-saving ultra-thin LED plane display lamp |
| CN201954461U (en) * | 2010-09-14 | 2011-08-31 | 亚威朗光电(中国)有限公司 | Light fixture |
| CN202008042U (en) * | 2011-04-14 | 2011-10-12 | 厦门瑞发莱光电科技有限公司 | Improved LED face plate lamp |
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