CN201615378U - Illumination device - Google Patents
Illumination device Download PDFInfo
- Publication number
- CN201615378U CN201615378U CN2010201222035U CN201020122203U CN201615378U CN 201615378 U CN201615378 U CN 201615378U CN 2010201222035 U CN2010201222035 U CN 2010201222035U CN 201020122203 U CN201020122203 U CN 201020122203U CN 201615378 U CN201615378 U CN 201615378U
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- China
- Prior art keywords
- light
- lighting device
- emitting component
- described light
- pedestal
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Abstract
The utility model provides an illumination device, which mainly comprises a base body and at least one light-emitting element, wherein the light-emitting element is arranged on the base body; a gap is reserved between the light-emitting element and the base body; a diffusion substance is filled in the gap, and a diffusion layer is formed in the gap; and the diffusion layer damages the total reflection of light in the light-emitting element and is used for guiding light and improving the utilization rate of light.
Description
Technical field
The utility model is relevant for a kind of lighting device, refers to especially a kind ofly between light-emitting component and pedestal diffusion layer is set, and can improve the lighting device of light utilization efficiency.
Background technology
See also shown in Figure 1, existing lighting device 10, mainly constitute by lamp socket 11 and light-emitting component 12, described light-emitting component 12 can be illuminators such as fluorescent tube or lamp guide, which kind of form the right light-emitting component that no matter adopts is, all have a spacing 13 between described light-emitting component 12 and the lamp socket 11, in the described spacing 13 is air, in other words, between described light-emitting component 12 and the lamp socket 11 across one deck air layer, the light that described light-emitting component 12 is produced, part light L1 can directly penetrate described light-emitting component 12, part light L2 then can the described lamp socket 11 of directive, in the ideal case, described light L2 should be described fully by described lamp socket 11 reflections, yet, because the effect of described spacing 13, cause light L2 and a little less than consuming in described spacing 13 internal reflections, and can produce light leak L21 by described spacing 13, for improving the weak situation that reaches light leak of above-mentioned light consumption, can on the face of described lamp socket 11, be coated with one deck reflecting layer 121 at described light-emitting component 12, but because the existence of described spacing 13 makes described reflecting layer 121 still limited for the lifting of light utilization efficiency; In addition, because the existence of described spacing 13, make that also the shared space of described lighting device 10 is bigger.
Summary of the invention
Because the disappearance of prior art the utility model proposes a kind of lighting device, between light-emitting component and pedestal, diffusion layer is set, can improve light utilization efficiency.
For achieving the above object, the utility model proposes a kind of lighting device, comprise:
One pedestal has a groove, and described pedestal is made with the material of high reflectance characteristic;
At least one light-emitting component, described light-emitting component comprise a light conductor and at least one light source, wherein:
Described light conductor is that external form is the cylinder of strip;
Described at least one light source is located at an end of described light conductor;
Wherein, described light-emitting component correspondence is arranged on the described groove, has a gap between described light-emitting component and described pedestal, fills to have the diffusate of reflection function to form a diffusion layer in described gap.
During enforcement, described light source is two, and described light source is a light emitting diode, and described two light emitting diodes are located at the both sides of described light conductor respectively.
During enforcement, described diffusate is transparent or has the optical cement or the printing ink of reflection characteristic, and described optical cement is the optical cement with diffusion and reflex, and the reflectivity of described diffusion layer is greater than 50%.
During enforcement, described light conductor is cylinder, semicylinder, polygon cylinder, oval cylinder, semiellipse cylinder.
During enforcement, described light conductor is polymethyl methacrylate, Merlon or saturated polyester terephthaldehyde acetoacetic ester.
During enforcement, the subregion at least on described light conductor surface is provided with the microstructured layers of energy directing light direct of travel.
During enforcement, described microstructured layers is arranged between described light-emitting component and the described diffusion layer.
During enforcement, described microstructured layers is the micro-structural by laser processing procedure, etching, printing, R type grooving processing procedure or the moulding of V-type grooving processing procedure.
During enforcement, described pedestal and described light-emitting component are arranged in the housing.
During enforcement, be provided with an optical sheet set between described light-emitting component and the described housing, described optical sheet set comprises the blooming of diffusion sheet, brightness enhancement film and/or tool polarization conversion function.
Compared with prior art, lighting device described in the utility model is provided with diffusion layer between light-emitting component and pedestal, can improve light utilization efficiency.
Further understand and approval for your juror is had for structure purpose of the present utility model and effect, cooperate diagram to describe in detail now as after.
Description of drawings
Fig. 1 is the structural representation of existing lighting device;
Fig. 2 is the structural representation of the utility model first embodiment;
Fig. 3 is the A-A cross-sectional view of Fig. 2;
Fig. 4 is the cross-sectional view of the utility model second embodiment;
Fig. 5 is the cross-sectional view of the utility model the 3rd embodiment;
Fig. 6 is the cross-sectional view of the utility model the 4th embodiment.
Description of reference numerals: 10-has lighting device now; The 11-lamp socket; The 12-light-emitting component; The 121-reflecting layer; The 13-spacing; L1, L2-light; The L21-light leak; 20,30,40,50-lighting device; 21,31,41,51-pedestal; The 211-groove; 22,32,42,52-light-emitting component; 221,321,421,521-light conductor; 222,322,422,522-light source; 23,33,43,53-diffusion layer; 34,44,54-microstructured layers; The 55-housing; The 56-optical sheet set; L3, L4, L5-light; L41, L51-reverberation.
The specific embodiment
Hereinafter with reference to the graphic the utility model of describing of enclosing for reaching employed technological means of purpose and effect, and following graphic cited embodiment only is an aid illustration, your understand in order to juror, but that the technological means of this case is not limited to is cited graphic.
See also Fig. 2 and shown in Figure 3, lighting device 20 provided by the utility model, it comprises a pedestal 21 and a light-emitting component 22, pedestal 21 is provided with at least one groove 211, light-emitting component 22 is arranged in the groove 211, and pedestal 21 adopts the material with high reflectance characteristic, has a gap between light-emitting component 22 and pedestal 21, in described gap, be filled with diffusate and form a diffusion layer 23, and the reflectivity of described diffusion layer 23 is greater than 50%; Diffusate as for constituting described diffusion layer 23 can adopt optical cement or printing ink transparent or that have reflection characteristic, is for example mixed and had the optical cement of scattered reflection effect and diffuse reflection effect by Merlon (PC) and titanium dioxide (TiO2).In addition, for example Merlon (PC) mixes with silica (SiO2), or Merlon (PC), titanium dioxide (TiO2) mix with silica (SiO2).
In addition, also can be bonded to each other fixing between light-emitting component 22 and the pedestal 21 with two-sided tape, two-sided tape can for example be PSA (pressure sensitive adhesive) adhesive tape, or acryl PMMA is mixed with optical cement, the macromolecular compound that can solidify according to UV light and is mixed with the optical cement that can solidify according to UV light etc. and also can.At this moment, pedestal 21 can adopt reflectivity to be higher than 90% material.
The part light L3 that light source 222 sends can directly penetrate light conductor 221, part light L4 then advances towards pedestal 21 directions, owing to be provided with the diffusion layer 23 of tool reflection function between pedestal 21 and the light-emitting component 22, therefore can see through diffusion layer 23 reflection ray L4, and produce reverberation L41 by light conductor 221 ejaculations.In other words, also diffusion layer 23 can be considered as one deck reflecting layer, in order to reflecting the light of all directive diffusion layers 23, the light light conductor 221 that leads be exposed to the part of pedestal 21 and penetrates light conductor 222.For the light that can't promptly penetrate light conductor 221 by diffusion layer 23 primary event effects, also can be via penetrating described light conductor 221 after secondary or the reflex more than the secondary, for example illustrate light L5 and form reverberation L51, can increase substantially light utilization efficiency by this by diffusion layer 23 back reflections by the surface of pedestal 21.
See also embodiment illustrated in fig. 4, lighting device 30 is based on Fig. 2 embodiment, lighting device 30 comprises a pedestal 31 and a light-emitting component 32, light-emitting component 32 is made of light source 322 and light conductor 321, between light-emitting component 32 and pedestal 31, be provided with a diffusion layer 33, the characteristics of present embodiment are to be provided with between light-emitting component 32 and the diffusion layer 33 microstructured layers 34 with guiding property, and microstructured layers 34 is made up of the micro-structural of laser processing procedure, etching, printing, R type grooving processing procedure (R-CUT), V-type grooving processing procedure (V-CUT) moulding.
See also embodiment illustrated in fig. 5, lighting device 40 is based on Fig. 3 embodiment, lighting device 40 comprises a pedestal 41, a light-emitting component 42, a diffusion layer 43, light-emitting component 42 is made of light conductor 421 and light source 422, the characteristics of present embodiment are that microstructured layers 44 coats the surface of described light conductor 421 fully, because Fig. 5 is a cross-section structure, therefore only demonstrate the microstructured layers 44 on light conductor 421 upper and lower surfaces.
See also embodiment illustrated in fig. 6, lighting device 50 is based on Fig. 4 embodiment, lighting device 50 comprises a pedestal 51, one light-emitting component 52, one diffusion layer 53, light conductor 521 surfaces are provided with microstructured layers 54, light-emitting component 52 is made of light conductor 521 and light source 522, the characteristics of present embodiment are that described pedestal 51 and light-emitting component 52 are arranged in the housing 55, be provided with an optical sheet set 56 between light-emitting component 52 and the housing 55, housing 55 can be the plane shown in this figure, or concavees lens, convex lens, planoconvex spotlight, plano-concave, biconvex lens, optical mirror slips such as biconcave lens, optical sheet set 56 can be diffusion sheet, brightness enhancement film, the blooming of tool polarization conversion function makes described lighting device 50 constitute a structure just like module backlight.
In sum, the lighting device that the utility model provides is provided with the diffusion layer with leaded light effect between light-emitting component and pedestal, can improve light utilization efficiency really, not only can provide illuminating effect, also can be applicable to module correlative technology field backlight.
But the above only is embodiment of the present utility model, when can not with the scope implemented of qualification the utility model.Promptly the equalization of being done according to the utility model claim generally changes and modifies, all should still belong in the scope that the utility model patent contains, for example can one of two light-emitting components (being equal to fluorescent tube) collocation have lighting lamp group of pedestal formation of two grooves, or be respectively arranged with a led light source in the both sides of each light conductor, or only a led light source etc. is set in a side of each light conductor, sincerely asking your juror's explicit example for reference, and pray Hui Zhun, is that institute is to praying.
More than explanation is just illustrative for the utility model; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.
Claims (10)
1. a lighting device is characterized in that, comprises:
One pedestal has a groove, and described pedestal is made with the material of high reflectance characteristic;
At least one light-emitting component, described light-emitting component comprise a light conductor and at least one light source, wherein:
Described light conductor is that external form is the cylinder of strip;
Described at least one light source is located at an end of described light conductor;
Wherein, described light-emitting component correspondence is arranged on the described groove, has a gap between described light-emitting component and described pedestal, fills to have the diffusate of reflection function to form a diffusion layer in described gap.
2. lighting device as claimed in claim 1 is characterized in that, described light source is two, and described light source is a light emitting diode, and described two light emitting diodes are located at the both sides of described light conductor respectively.
3. lighting device as claimed in claim 2 is characterized in that, described diffusate is transparent or has the optical cement or the printing ink of reflection characteristic, and described optical cement is the optical cement with diffusion and reflex, and the reflectivity of described diffusion layer is greater than 50%.
4. lighting device as claimed in claim 1 is characterized in that, described light conductor is cylinder, semicylinder, polygon cylinder, oval cylinder, semiellipse cylinder.
5. lighting device as claimed in claim 4 is characterized in that, described light conductor is polymethyl methacrylate, Merlon or saturated polyester terephthaldehyde acetoacetic ester.
6. lighting device as claimed in claim 1 is characterized in that, the subregion at least on described light conductor surface is provided with the microstructured layers of energy directing light direct of travel.
7. lighting device as claimed in claim 6 is characterized in that, described microstructured layers is arranged between described light-emitting component and the described diffusion layer.
8. lighting device as claimed in claim 6 is characterized in that, described microstructured layers is the micro-structural by laser processing procedure, etching, printing, R type grooving processing procedure or the moulding of V-type grooving processing procedure.
9. lighting device as claimed in claim 1 is characterized in that, described pedestal and described light-emitting component are arranged in the housing.
10. lighting device as claimed in claim 1 is characterized in that, is provided with an optical sheet set between described light-emitting component and the described housing, and described optical sheet set comprises the blooming of diffusion sheet, brightness enhancement film and/or tool polarization conversion function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201222035U CN201615378U (en) | 2010-02-10 | 2010-02-10 | Illumination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201222035U CN201615378U (en) | 2010-02-10 | 2010-02-10 | Illumination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615378U true CN201615378U (en) | 2010-10-27 |
Family
ID=43001746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201222035U Expired - Fee Related CN201615378U (en) | 2010-02-10 | 2010-02-10 | Illumination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201615378U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672745A (en) * | 2013-12-17 | 2014-03-26 | 京东方科技集团股份有限公司 | Line light source, backlight module and display device |
| CN104121548A (en) * | 2013-04-24 | 2014-10-29 | 法雷奥照明公司 | Total reflection type optical reflector and illumination and/or signal indicating device |
| CN108884980A (en) * | 2016-02-18 | 2018-11-23 | 卡乐丹有限公司 | Lighting apparatus with orientable light beam |
-
2010
- 2010-02-10 CN CN2010201222035U patent/CN201615378U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121548A (en) * | 2013-04-24 | 2014-10-29 | 法雷奥照明公司 | Total reflection type optical reflector and illumination and/or signal indicating device |
| CN103672745A (en) * | 2013-12-17 | 2014-03-26 | 京东方科技集团股份有限公司 | Line light source, backlight module and display device |
| CN103672745B (en) * | 2013-12-17 | 2017-02-01 | 京东方科技集团股份有限公司 | line light source, backlight module and display device |
| CN108884980A (en) * | 2016-02-18 | 2018-11-23 | 卡乐丹有限公司 | Lighting apparatus with orientable light beam |
| CN108884980B (en) * | 2016-02-18 | 2020-09-18 | 卡乐丹有限公司 | Lighting device with orientable light beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20160210 |