CN202834908U - Lamp with microstructure - Google Patents
Lamp with microstructure Download PDFInfo
- Publication number
- CN202834908U CN202834908U CN2012204838758U CN201220483875U CN202834908U CN 202834908 U CN202834908 U CN 202834908U CN 2012204838758 U CN2012204838758 U CN 2012204838758U CN 201220483875 U CN201220483875 U CN 201220483875U CN 202834908 U CN202834908 U CN 202834908U
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- China
- Prior art keywords
- micro
- light
- structural
- surf zone
- lgp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000005286 illumination Methods 0.000 claims abstract description 14
- 238000009826 distribution Methods 0.000 claims description 32
- 230000004907 flux Effects 0.000 claims description 28
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
The utility model discloses a lamp with a microstructure, a light source generates illuminating light; the light guide plate has a planar region, a surface region on the opposite side of the planar region, and a side edge between the planar region and the surface region, the light source is disposed on the side edge, when the illumination light enters the light guide plate from the side edge and penetrates the planar region and the surface region to the outside of the light guide plate, the surface region reflects a portion of the illumination light and penetrates out to the outside of the planar region, and the surface region refracts another portion of the illumination light and penetrates out of the surface region. The reflecting part reflects the other part of the illumination light refracted by the surface area, so that the other part of the refracted illumination light reenters the light guide plate and passes out of the plane area to generate illumination with one part of the illumination light.
Description
[technical field]
The utility model relates to a kind of light fixture, particularly relates to a kind of light fixture with micro-structural.
[background technology]
In the prior art, light emitting diode (light-emitted diode, LED) light fixture is all sequentially assembled by reflector plate (reflector), the LGP (light-guide plate) that is provided with the convex structure and diffusion sheet (diffuser) and is finished, the convex structure of wherein said LGP is towards described reflector plate, so that concentrate towards 0 degree from the light intensity of LED, 0 degree refers to the normal direction perpendicular to diffusion sheet (diffuser) herein.
In another known techniques, light emitting diode (LED) light fixture is all sequentially finished by reflector plate (reflector), the LGP (light-guide plate) that is provided with the convex structure and prismatic lens assembling, wherein the prism angle of prismatic lens is the outside towards described LGP, so that concentrate towards 0 degree from the light intensity of LED, 0 degree refers to the normal direction perpendicular to prismatic lens herein.
Although above-mentioned light fixture has the function of illumination, the light intensity of irradiation can only be in 0 degree direction set perpendicular to diffusion sheet or prismatic lens.And the structure of described light fixture need to additionally utilize diffusion sheet or prismatic lens to make light intensity concentrate on the normal direction of 0 degree, and structure is comparatively complicated.Therefore need at present the new-type light fixture of design, to solve above-mentioned problem.
[utility model content]
One of the utility model purpose is to provide a kind of light fixture with micro-structural, by the degree of depth and the curvature of adjusting micro-structural, to change angle of reflection and the refraction angle of light, to form concentrated distribution curve flux and bat aerofoil profile distribution curve flux.
For reaching above-mentioned purpose, a kind of light fixture with micro-structural is provided among one of the utility model embodiment, it comprises light source, LGP and reflecting part.Light source is in order to produce an irradiation light; LGP has a plane domain, be positioned at the ㄧ surf zone of the relative heteropleural of described plane domain, and at least one side between described plane domain and described surf zone, described light source is arranged at described at least one side, when described irradiation light enters the inside of described LGP and penetrates respectively described plane domain and described surf zone during to described LGP described outside from described at least one side, the described irradiation light of described surf zone antireflection part and pass the described outside that arrives described plane domain, and the described irradiation light of described surf zone refraction another part and pass described surf zone.Reflecting part is in abutting connection with the described surf zone of described LGP, in order to reflect the described another part irradiation light that reflects from described surf zone, make described another part irradiation light of refraction reenter described LGP and pass the described outside that arrives described plane domain, produce illumination with the irradiation light with a described part.
In one embodiment, described surf zone a plurality of micro-structurals that distribute, the irradiation light that described a plurality of micro-structural reflects the irradiation light of a described part and reflects described another part passes the described outside that arrives described plane domain, by the degree of depth and the curvature of adjusting each micro-structural, form bat aerofoil profile distribution curve flux with the described outside in described plane domain.
In one embodiment, the angular range of the maximum light intensity that produces of described bat aerofoil profile distribution curve flux is distributed between 0 ° ~ 45 ° of the vertical angles that described fitting structure emits beam.
In one embodiment, described surf zone a plurality of micro-structurals that distribute, described a plurality of micro-structural reflects the irradiation light of a described part and the irradiation light of described another part passes the described outside that arrives described plane domain, by the degree of depth and the curvature of adjusting each micro-structural, form the concentrated distribution curve flux with the described outside in described plane domain.
In one embodiment, the angle of the maximum light intensity that produces of described concentrated distribution curve flux is 0 ° of the vertical angle that emits beam of described fitting structure.
In one embodiment, described a plurality of micro-structural is a plurality of concave domains.
In one embodiment, described a plurality of micro-structural is the described surf zone that is distributed in described LGP with irregularly shaped or regular shape.
In one embodiment, described light source is that light emitting diode or fluorescent tube are one kind of.
In one embodiment, the material of described LGP is to be selected from the group that polymethyl methacrylate (PMMA), Merlon (PC) and glass form.
In one embodiment, described LGP is square plate, and described light source is arranged at the relative heteropleural of described square plate.
In one embodiment, described LGP is circular slab, and described light source is arranged at the excircle side of described circular slab.
In one embodiment, described LGP is the hollow circular plate, and described light source is arranged at the inner periphery side of described hollow circular plate.
According to the above description, the light fixture with micro-structural of the utility model is by the degree of depth and the curvature of adjusting micro-structural, to change angle of reflection and the refraction angle of light, to form concentrated distribution curve flux and bat aerofoil profile distribution curve flux.
[description of drawings]
The utility model above-mentioned purpose, feature and advantage are in connection with following detailed description and appended graphicly specifically present.
Fig. 1 shows the light fixture that has micro-structural among the utility model the first embodiment and the cutaway view of bat aerofoil profile distribution curve flux thereof.
Fig. 2 shows to have the light fixture of micro-structural and the cutaway view of concentrated distribution curve flux thereof among the utility model the first embodiment.
Fig. 3 A-3B shows the cutaway view of the micro-structural of light fixture among the utility model embodiment.
Fig. 4 shows the schematic perspective view that has the light fixture of micro-structural among the utility model the second embodiment.
Fig. 5 shows the schematic perspective view that has the light fixture of micro-structural among the utility model the 3rd embodiment.
[specific embodiment]
The 1st figure illustrates the light fixture 100 that has micro-structural among the utility model the first embodiment and the cutaway view of bat aerofoil profile distribution curve flux 101 (its unit is cd/klm) thereof.Described light fixture 100 with micro-structural comprises light source 102, LGP 104 and reflecting part 106.Light source 102 is in order to produce an irradiation light 108.In one embodiment, described light source 102 is that light emitting diode (light emitted diode, LED) or fluorescent tube are one kind of.
LGP 104 has a plane domain 110, be positioned at the surf zone 112 of the relative heteropleural of described plane domain 110, and at least one side 105 between described plane domain 110 and described surf zone 112, this sentences two sides 105 and is example, described light source 102 is arranged at described at least one side 105, when described irradiation light 108 enters the inside of described LGP 104 and penetrates respectively described plane domain 110 and described surf zone 112 during to described LGP 104 outside from described at least one side 105, the irradiation light 108a of described surf zone 112 antireflection parts and pass the outside that arrives described plane domain 110, and the irradiation light 108b of described surf zone 112 refraction another part and pass described surf zone 112.In one embodiment, the material of described LGP 104 is to be selected from the group that polymethyl methacrylate (PMMA), Merlon (PC) and glass form, that is the material of LGP 104 for example is transparent material.
Reflecting part 106 is in abutting connection with the surf zone 112 of described LGP 104, in order to reflect another part irradiation light 108b that reflects from described surf zone 112, make another part irradiation light 108b of refraction reenter described LGP 104 and pass the outside that arrives described plane domain 110, to produce the function of illumination with the irradiation light 108a of a described part.
Specifically, the a plurality of micro-structurals 114 of surf zone 112 distributions of LGP 104, the irradiation light 108a of the described part of described a plurality of micro-structural 114 reflections and the irradiation light 118b that reflects described another part pass the outside that arrives described plane domain 110, by the degree of depth and the curvature of adjusting each micro-structural 114, form bat aerofoil profile distribution curve flux 101 with the outside in described plane domain 110.In one embodiment, the angular range of the maximum light intensity that produces of described bat aerofoil profile distribution curve flux 101 is distributed between 0 °～45 ° of the vertical angles that described light fixture 100 structures emit beam.
The 2nd figure illustrates the light fixture 100 that has micro-structural among the utility model the first embodiment and the cutaway view of concentrated distribution curve flux 103 (its unit is cd/klm) thereof.Described light fixture 100 with micro-structural comprises light source 102, LGP 104 and reflecting part 106.Light source 102 is in order to produce an irradiation light 108.LGP 104 has a plane domain 110, be positioned at the ㄧ surf zone 112 of the relative heteropleural of described plane domain 110, and at least one side 105 between described plane domain 110 and described surf zone 112, this sentences two sides 105 and is example, described light source 102 is arranged at described at least one side 105, when described irradiation light 108 enters the inside of described LGP 104 and penetrates respectively described plane domain 110 and described surf zone 112 during to described LGP 104 outside from described at least one side 105, the irradiation light 108a of described surf zone 112 antireflection parts and pass the outside that arrives described plane domain 110, and the irradiation light 108b of described surf zone 112 refraction another part and pass described surf zone 112.
Specifically, the a plurality of micro-structurals 114 of described surf zone 112 distributions, the irradiation light 108a of the described part of described a plurality of micro-structural 114 reflections and the irradiation light 108b of described another part pass the outside that arrives described plane domain 110, by the degree of depth and the curvature of adjusting each micro-structural 114, form concentrated distribution curve flux 103 with the outside in described plane domain 110.In one embodiment, the angle of the maximum light intensity that produces of described concentrated distribution curve flux 103 is 0 ° of the vertical angle that emits beam of described light fixture 100 structures.In other words, the angle of maximum light intensity is the normal direction of LGP 104.
Reflecting part 106 is in abutting connection with the surf zone 112 of described LGP 104, in order to reflect another part irradiation light 108b that reflects from described surf zone 112, make another part irradiation light 108b of refraction reenter described LGP 104 and pass the outside that arrives described plane domain 110, to produce the function of illumination with the irradiation light 108a of a described part.
3A-3B figure illustrates the cutaway view of the micro-structural 114 of light fixture 100 among the utility model embodiment.In one embodiment, described a plurality of micro-structural 114 is a plurality of concave domains, and the opening size OD of each concave domain is between 50 μ m to 500 μ m, or opening size arbitrarily, the depth D E of concave domain is between 20 μ m to 500 μ m, or depth dimensions arbitrarily.In each concave domain, its average curvature k=Δ ψ/Δ s is defined as the average degree of crook on the curve A B, and wherein Δ ψ represents the angle that the upper tangent line of curve A B changes, and Δ s represents the arc length of curve A B.Radius of curvature ρ=1/k, it is expressed as the radius of any point on curve A B, the corresponding curvature k of each radius of curvature.In 3A figure, when opening size OD immobilized, if depth D E is larger, average curvature k1 was larger; When depth D E immobilized, if opening size OD is larger, average curvature k1 was less.In 3B figure, when opening size OD immobilized, if depth D E is less, average curvature k2 was less; When depth D E immobilized, if opening size OD is less, average curvature k2 was larger.In one embodiment, shown in the 1st figure and 3A figure, larger or depth D E more hour diminishes (it is large that radius of curvature becomes) by the curvature of micro-structural 114 as opening size OD, makes the angle of the maximum light intensity that bat aerofoil profile distribution curve flux 101 produces level off to 45 °.In another embodiment, shown in the 2nd figure and 3B figure, when less or depth D E is larger as opening size OD, become large (radius of curvature diminishes) by the curvature of micro-structural 114, make the angle of the maximum light intensity that concentrated distribution curve flux 103 produces level off to 0 ° vertical angle.In one embodiment, described a plurality of micro-structural 114 is the surf zones 112 that are distributed in described LGP 104 with irregularly shaped or regular shape.
The 4th figure illustrates the schematic perspective view that has the light fixture 100b of micro-structural among the utility model the second embodiment.Described LGP with light fixture 100b of micro-structural is circular slab 104a, described circular slab 104a has a plane domain 110, be positioned at the ㄧ surf zone 112 of the relative heteropleural of described plane domain 110, and the excircle side 105a between described plane domain 110 and described surf zone 112, described light source 102 is arranged at described excircle side 105a, when described irradiation light 108 enters the inside of described circular slab 104a and penetrates respectively described plane domain 110 and described surf zone 112 during to described circular slab 104a outside from described excircle side 105a, the irradiation light 108a of described surf zone 112 antireflection parts and pass the outside that arrives described plane domain 110, and the irradiation light 108b of described surf zone 112 refraction another part and pass described surf zone 112.
Reflecting part is circular reflecting plate 106a, surf zone 112 in abutting connection with described circular slab 104a, in order to reflect another part irradiation light 108b that reflects from described surf zone 112, make another part irradiation light 108b of refraction reenter described circular slab 104a and pass the outside that arrives described plane domain 110, to produce the function of illumination with the irradiation light 108a of a described part.
Specifically, the a plurality of micro-structurals 114 of surf zone 112 distributions of circular slab 104a, the irradiation light 108a of the described part of described a plurality of micro-structural 114 reflections and the irradiation light 118b that reflects described another part pass the outside that arrives described plane domain 110, by the degree of depth and the curvature of adjusting each micro-structural 114, form bat aerofoil profile distribution curve flux 101 or concentrated distribution curve flux 103 with the outside in described plane domain 110.
The 5th figure illustrates the schematic perspective view that has the light fixture 100c of micro-structural among the utility model the 3rd embodiment.Described LGP with light fixture 100b of micro-structural is hollow circular plate 104b, described hollow circular plate 104b has a plane domain 110, be positioned at the ㄧ surf zone 112 of the relative heteropleural of described plane domain 110, and the inner periphery side 105b between described plane domain 110 and described surf zone 112, described light source 102 is arranged at described inner periphery side 105b, when described irradiation light 108 enters the inside of described hollow circular plate 104b and penetrates respectively described plane domain 110 and described surf zone 112 during to described hollow circular plate 104b outside from described inner periphery side 105b, the irradiation light 108a of described surf zone 112 antireflection parts and pass the outside that arrives described plane domain 110, and the irradiation light 108b of described surf zone 112 refraction another part and pass described surf zone 112.
Reflecting part is circular reflecting plate 106a, surf zone 112 in abutting connection with described hollow circular plate 104b, in order to reflect another part irradiation light 108b that reflects from described surf zone 112, make another part irradiation light 108b of refraction reenter described hollow circular plate 104b and pass the outside that arrives described plane domain 110, to produce the function of illumination with the irradiation light 108a of a described part.
Specifically, the a plurality of micro-structurals 114 of surf zone 112 distributions of hollow circular plate 104b, the irradiation light 108a of the described part of described a plurality of micro-structural 114 reflections and the irradiation light 118b that reflects described another part pass the outside that arrives described plane domain 110, by the degree of depth and the curvature of adjusting each micro-structural 114, form bat aerofoil profile distribution curve flux 101 or concentrated distribution curve flux 103 with the outside in described plane domain 110.
In sum, the utility model provides a kind of light fixture with micro-structural, by the degree of depth and the curvature of adjusting micro-structural, to change angle of reflection and the refraction angle of light, to form concentrated distribution curve flux and bat aerofoil profile distribution curve flux.
Although the utility model discloses as above with preferred embodiment; so it is not to limit the utility model; have in the technical field under the utility model and usually know the knowledgeable; in the spirit and scope that do not break away from the utility model; when can doing various changes and retouching, so the protection domain of the utility model attached claim person of defining after looking is as the criterion.
Claims (12)
1. light fixture with micro-structural, it comprises:
One light source is in order to produce an irradiation light;
One LGP, has a plane domain, be positioned at the surf zone of the relative heteropleural of described plane domain, and at least one side between described plane domain and described surf zone, described light source is arranged at described at least one side, when described irradiation light enters the inside of described LGP and penetrates respectively described plane domain and described surf zone during to described LGP described outside from described at least one side, the described irradiation light of described surf zone antireflection part and pass the described outside that arrives described plane domain, and the described irradiation light of described surf zone refraction another part and pass described surf zone; And
One reflecting part, described surf zone in abutting connection with described LGP, in order to reflect the described another part irradiation light that reflects from described surf zone, make described another part irradiation light of refraction reenter described LGP and pass the described outside that arrives described plane domain, produce illumination with the irradiation light with a described part.
2. the light fixture with micro-structural according to claim 1, it is characterized in that, described surf zone a plurality of micro-structurals that distribute, the irradiation light that described a plurality of micro-structural reflects the irradiation light of a described part and reflects described another part passes the described outside that arrives described plane domain, by the degree of depth and the curvature of adjusting each described a plurality of micro-structural, form bat aerofoil profile distribution curve flux with the described outside in described plane domain.
3. the light fixture with micro-structural according to claim 2 is characterized in that, the angular range of the maximum light intensity that described bat aerofoil profile distribution curve flux produces is distributed between 0 ° ~ 45 ° of the vertical angles that described fitting structure emits beam.
4. the light fixture with micro-structural according to claim 1, it is characterized in that, described surf zone a plurality of micro-structurals that distribute, described a plurality of micro-structural reflects the irradiation light of a described part and the irradiation light of described another part passes the described outside that arrives described plane domain, by the degree of depth and the curvature of adjusting each micro-structural, form the concentrated distribution curve flux with the described outside in described plane domain.
5. the light fixture with micro-structural according to claim 4 is characterized in that, the viewpoint definition of the maximum light intensity that described concentrated distribution curve flux produces is 0 ° of the vertical angle that emits beam of described fitting structure.
6. each described light fixture with micro-structural according to claim 2 and in 4, wherein said a plurality of micro-structurals are a plurality of concave domains.
7. each described light fixture with micro-structural according to claim 2 and in 4 is characterized in that described a plurality of micro-structurals are the described surf zones that are distributed in described LGP with irregularly shaped or regular shape.
8. the light fixture with micro-structural according to claim 1 is characterized in that, described light source is that light emitting diode or fluorescent tube are one kind of.
9. the light fixture with micro-structural according to claim 1 is characterized in that, the material of described LGP is to be selected from the group that polymethyl methacrylate (PMMA), Merlon (PC) and glass form.
10. the light fixture with micro-structural according to claim 1 is characterized in that, described LGP is square plate, and described light source is arranged at the relative heteropleural of described square plate.
11. the light fixture with micro-structural according to claim 1 is characterized in that, described LGP is circular slab, and described light source is arranged at the excircle side of described circular slab.
12. the light fixture with micro-structural according to claim 1 is characterized in that, described LGP is the hollow circular plate, and described light source is arranged at the inner periphery side of described hollow circular plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101215592U TWM457135U (en) | 2012-08-13 | 2012-08-13 | Light apparatus with microstructure |
| TW101215592 | 2012-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834908U true CN202834908U (en) | 2013-03-27 |
Family
ID=47946606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204838758U Expired - Lifetime CN202834908U (en) | 2012-08-13 | 2012-09-20 | Lamp with microstructure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202834908U (en) |
| TW (1) | TWM457135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650490A (en) * | 2016-03-09 | 2016-06-08 | 苏州向隆塑胶有限公司 | Lighting lamp and design method for light guide plate of lighting lamp |
-
2012
- 2012-08-13 TW TW101215592U patent/TWM457135U/en not_active IP Right Cessation
- 2012-09-20 CN CN2012204838758U patent/CN202834908U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650490A (en) * | 2016-03-09 | 2016-06-08 | 苏州向隆塑胶有限公司 | Lighting lamp and design method for light guide plate of lighting lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM457135U (en) | 2013-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |