CN203703823U - Optical element - Google Patents
Optical element Download PDFInfo
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- CN203703823U CN203703823U CN201420016653.4U CN201420016653U CN203703823U CN 203703823 U CN203703823 U CN 203703823U CN 201420016653 U CN201420016653 U CN 201420016653U CN 203703823 U CN203703823 U CN 203703823U
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- microlens array
- light
- central axis
- exiting surface
- lenticule
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- 230000003287 optical effect Effects 0.000 title claims abstract description 48
- 238000003491 array Methods 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses an optical element. The optical element comprises a light income portion and a light outcome portion which is connected with the light income portion. The light outcome portion comprises a light outcome face, and a central lens and a plurality of micro-lens arrays are arranged on the light outcome face. The micro-lens arrays are arranged concentrically and circularly, each micro-lens array comprises a plurality of micro lenses, radii of the micro lenses of the micro-lens arrays on the light outcome face are identical to the radius of the central lens on the light outcome face, and the distance between a central axis of the central lens and a central axis of the micro lens adjacent to the central lens in a preset direction is different from the distance between a central axis of the micro lens of any one micro-lens array and a central axis of the micro lens of the adjacent micro-lens array in the preset direction. By means of the optical element, light patterns of light rays emitted by light-emitting diodes can be changed, and the irradiation range of the light rays emitted by light-emitting diodes is expanded.
Description
Technical field
The utility model has about a kind of optical element, espespecially a kind of optical lens.
Background technology
Light emitting diode (light emitting diode, LED) be a kind of semiconductor element, mainly convert electrical energy into luminous energy to reach illumination effect by semiconducting compound, therefore have that the life-span is long, stability is high and the advantage such as power consumption is little, house, office, outdoor and action illumination are widely used at present, to replace traditional non-directive property light emitting source such as fluorescent tube and incandescent lamp bulb.
Because light emitting diode is point source of light and has high directivity, cause the shadow surface of light emitting diode narrow compared to traditional light emitting source, and luminosity little by little reduction along with the increase of distance, therefore, be applicable to provide the light fixture of short distance and zonule illumination, as: desk lamp.
For improving the use range of light emitting diode, certainly will improve the shadow surface of light emitting diode, so that the shadow surface of light emitting diode is identical with the shadow surface of incandescent lamp bulb or Electricity-saving lamp bulb as much as possible, just can improves user and use the light fixture with light emitting diode.Therefore how effectively to expand the shadow surface of light emitting diode, real in being badly in need of the problem of studying in this area.
Utility model content
An object of the present utility model is to provide a kind of optical element, and described optical element can change the light type of the light that light emitting diode sends, and makes to expand the shadow surface of the light that light emitting diode sends.
According to an embodiment of this disclosure, optical element comprises a light in part and a light out part, light out part is connected in light in part, light out part has an exiting surface, exiting surface is provided with a center lens and multiple microlens array, microlens array is concentric annular and arranges, each microlens array comprises multiple lenticules, the radius of the lenticule of each microlens array on exiting surface is same as the radius of center lenticule on exiting surface, the lenticular central axis in center and the distance of a lenticular central axis adjacent to center lens in a predetermined axial line are different from a lenticular central axis of arbitrary microlens array and the distance of a lenticular central axis of adjacent microlens array in predetermined axial line.
According to other embodiment of this disclosure, light in part and light out part are formed in one, and center lens and the lenticule respectively direction in light in part towards the opposite are convexly set in exiting surface.
According to other embodiment of this disclosure, the lenticular central axis of the lenticular central axis of arbitrary microlens array and adjacent microlens array in the distance of predetermined axial line along with increasing away from center lens.
According to other embodiment of this disclosure, the lenticular central axis of the lenticular central axis of arbitrary microlens array and adjacent microlens array in the distance of predetermined axial line along with reducing away from center lens.
More provide a kind of optical element according to other embodiment of this disclosure, described optical element comprises a light in part and a light out part, light out part is connected in light in part, and light out part comprises an exiting surface, and exiting surface is provided with a center lens and multiple microlens array.Microlens array is concentric annular and arranges, each microlens array comprises multiple lenticules, and a lenticular central axis of a central axis of center lens and adjacent microlens array is same as a lenticular central axis of arbitrary microlens array and a lenticular central axis of the adjacent microlens array distance in predetermined axial line in the distance of a predetermined axial line.The radius of the lenticule that the radius of center lens on exiting surface is different from each microlens array on exiting surface.
According to other embodiment of this disclosure, light in part and light out part are formed in one, and center lens and the lenticule respectively direction in light in part towards the opposite are convexly set in exiting surface.
According to other embodiment of this disclosure, the radius of the lenticule of microlens array on exiting surface is along with reducing away from center lens.
According to other embodiment of this disclosure, the radius of the lenticule of microlens array on exiting surface is along with increasing away from center lens.
Provide again a kind of optical element according to other embodiment of this disclosure, described optical element comprises a light in part and a light out part, and light out part is connected in light in part, and light out part comprises an exiting surface.Exiting surface is provided with a center lens and multiple microlens array, microlens array is concentric annular and arranges, each microlens array comprises multiple lenticules, the radius of center lens on exiting surface is different from the radius of arbitrary microlens array on exiting surface, and the distance of a lenticular central axis of a central axis of center lens and adjacent microlens array in a predetermined axial line is different from a lenticular central axis of arbitrary microlens array and a lenticular central axis of the adjacent microlens array distance in predetermined axial line.
According to other embodiment of this disclosure, light in part and light out part are formed in one, and center lens and the lenticule respectively direction in light in part towards the opposite are convexly set in exiting surface.
According to other embodiment of this disclosure, the radius of the lenticule of microlens array on exiting surface is along with increasing away from center lens.
According to an embodiment of this disclosure, the radius of the lenticule of microlens array on exiting surface is along with reducing away from center lens.
According to an embodiment of this disclosure, the lenticular central axis of the lenticular central axis of arbitrary microlens array and adjacent microlens array in the distance of predetermined axial line along with increasing away from center lens.
According to an embodiment of this disclosure, wherein the lenticular central axis of the lenticular central axis of arbitrary microlens array and adjacent microlens array in the distance of predetermined axial line along with reducing away from center lens.
Optical element of the present utility model can change the light type of the light that light emitting diode sends, and expands the shadow surface of the light that light emitting diode sends.
Brief description of the drawings
Fig. 1 is the stereogram of the optical element of this disclosure the first embodiment.
Fig. 2 is the top view of the optical element of this disclosure the first embodiment.
Fig. 3 is the stereogram of the optical element of this disclosure the second embodiment.
Fig. 4 is the top view of the optical element of this disclosure the second embodiment.
Fig. 5 is the stereogram of the optical element of this disclosure the 3rd embodiment.
Fig. 6 is the top view of the optical element of this disclosure the 3rd embodiment.
1,2,3 optical elements
12,22,32 light in part
14,24,34 light out part
140,240,340 exiting surfaces
142,242,342 center lens
144,244,344 microlens arrays
146,246,346 lenticules
C1, C2, C3 central axis
A predetermined axial line
Detailed description of the invention
Please refer to the diagram of enclosing, above and extra object, feature and advantage of the present utility model are by the following illustrative of the preferred embodiments by this disclosure and non-limitingly describe better and understand in detail.
Coordinate and consult Fig. 1 and Fig. 2, be respectively stereogram and the top view of the optical element of this disclosure the first embodiment.Optical element 1 is applicable at least one light emitting diode, so as to changing the light intensity distributions (changing the light type of the light that light emitting diode sends) of the light that sends of light emitting diode.Optical element 1 is to use plastics, glass, silica gel (silicone) or other transparent material to be made.Optical element 1 has a light in part 12 and a light out part 14, and light out part 14 is connected in light in part 12.Preferably, light in part 12 and light out part 14 are formed in one.
Light in part 12 is in order to hold this light emitting diode (not shown), and makes the light that light emitting diode sends be passed to light out part 14.Light out part 14 comprises an exiting surface 140, and exiting surface 140 is provided with a center lens 142 and multiple microlens array 144, and center lenticule 142 is located at the center of exiting surface 140, and microlens array 144 is concentric annular to be arranged, and makes around center lenticule 142.
Each microlens array 144 comprises multiple lenticules 146, and the radius of each lenticule 146 on exiting surface 140 is same as the radius of center lenticule 142 on exiting surface 140.Center lenticule 142 and lenticule 146 are respectively the direction in light in part 12 towards the opposite circular-arcly and protrude from exiting surface 140.The distance of one central axis C 2 of the lenticule 146 of one central axis C 1 of center lenticule 142 and a microlens array 144 adjacent to center lens 142 on a predetermined axial line A is different from the distance of a central axis C 3 on predetermined axial line A of the central axis central axis of the lenticule 146 of aforementioned microlens array 144 (for example for) C2 of the lenticule 146 of arbitrary microlens array 144 and the lenticule 146 of adjacent microlens array 144.Illustrating at this: the central axis C 1 of center lenticule 142 is for running through the axis in these center lenticule 142 centers of circle, and respectively the central axis C 2 of this lenticule 146 or C3 are the axis that runs through lenticule 146 centers of circle.
Secondly, in the present embodiment, the distance of the central axis of the lenticule 146 of the central axis of the lenticule 146 of arbitrary microlens array 144 and adjacent microlens array 144 on predetermined axial line A is along with increasing away from this center lens 142.When actual enforcement, the distance of the central axis of the lenticule 146 of the central axis of the lenticule 146 of arbitrary microlens array 144 and adjacent microlens array 144 on predetermined axial line A also can be along with reducing away from center lens 142.
Coordinate and consult Fig. 3 and Fig. 4, be respectively stereogram and the top view of the optical element of this disclosure the second embodiment.Optical element 2 is applicable at least one light emitting diode, the light intensity distributions of the light sending so as to change light emitting diode.Optical element 2 is to use plastics, glass, silica gel or other transparent material to be made.Optical element 2 has a light in part 22 and a light out part 24, and light out part 24 is connected in light in part 22.Preferably, light in part 22 and light out part 24 are formed in one.
Light in part 22 is in order to hold this light emitting diode (not shown), and makes the light that light emitting diode sends be passed to light out part 24.Light out part 24 comprises an exiting surface 240, and exiting surface 240 is provided with a center lens 242 and multiple microlens array 244, and center lenticule 242 is located at the center of exiting surface 240, and microlens array 244 is concentric annular to be arranged, and makes around center lenticule 242.
Each microlens array 244 comprises multiple lenticules 246, in the present embodiment, the radius of the lenticule 246 of each microlens array 244 on exiting surface 240 is different from the radius of center lenticule 242 on exiting surface 240, and the radius of the lenticule 246 of microlens array 244 on exiting surface 240 is along with reducing away from center lenticule 242.Center lenticule 242 and lenticule 246 are respectively the direction in light in part 22 towards the opposite circular-arcly and protrude from exiting surface 240.
One central axis C 1 of center lenticule 242 and the distance of the lenticule 246 of the microlens array 244 adjacent to center lenticule 242 on a predetermined axial line A are to be same as the central axis C 2 of lenticule 246 of arbitrary microlens array 244 and the central axis of the lenticule 246 of adjacent the microlens array 244 lenticular central axis of aforementioned microlens array (for example for) distance of C2 on predetermined axial line A.
When actual enforcement, the radius of the lenticule 246 of each microlens array 244 on exiting surface 240 also can be along with increasing away from center lenticule 242.
Coordinate and consult Fig. 5 and Fig. 6, be respectively stereogram and the top view of the optical element of this disclosure the 3rd embodiment.Optical element 3 is applicable at least one light emitting diode, the light intensity distributions of the light sending so as to change light emitting diode.Optical element 3 is to use plastics, glass, silica gel or other transparent material to be made.Optical element 3 has a light in part 32 and a light out part 34, and light out part 34 is connected in light in part 32.Preferably, light in part 32 and light out part 34 are formed in one.
Light in part 32 is in order to hold this light emitting diode (not shown), and makes the light that light emitting diode sends be passed to light out part 34.Light out part 34 comprises an exiting surface 340, and exiting surface 340 is provided with a center lens 342 and multiple microlens array 344, and center lenticule 342 is located at the center of exiting surface 340, and microlens array 344 is concentric annular to be arranged, and makes around center lenticule 342.
Microlens array 344 comprises multiple lenticules 346, and the radius of each lenticule 346 on exiting surface 340 is different from the radius of center lenticule 342 on exiting surface 340.Center lenticule 342 and lenticule 346 are respectively the direction in light in part 32 towards the opposite circular-arcly and protrude from exiting surface 340.The distance of one central axis C 2 of the lenticule 346 of one central axis C 1 of center lenticule 342 and a microlens array 344 adjacent to center lens 342 on a predetermined axial line A is different from the distance of a central axis C 3 on predetermined axial line A of the central axis central axis of the lenticule 346 of aforementioned microlens array 344 (for example for) C2 of the lenticule 346 of arbitrary microlens array 344 and the lenticule 346 of adjacent microlens array 344.Illustrating at this: the central axis C 1 of center lenticule 342 is for running through the axis in these center lenticule 342 centers of circle, and the central axis C 2 of each lenticule 346 or C3 are the axis that runs through lenticule 346 centers of circle.
In the present embodiment, the distance of the central axis of the lenticule 346 of the central axis of the lenticule 346 of arbitrary microlens array 344 and adjacent microlens array 344 on predetermined axial line A is along with 342 increases away from center lens, and the radius of the lenticule 346 of microlens array 344 on exiting surface 340 is along with increasing away from center lenticule 342.
When actual enforcement, the distance of the central axis of the lenticule 346 of the central axis of the lenticule 346 of arbitrary microlens array 344 and adjacent microlens array 344 on predetermined axial line A is along with reducing away from center lens 342, and the radius of the lenticule 346 of microlens array 344 on exiting surface 340 is along with reducing away from center lenticule 342.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the utility model claim.
Claims (14)
1. an optical element, is characterized in that, comprises:
One light in part; And
One light out part, be connected in this light in part, this light out part has an exiting surface, this exiting surface is provided with a center lens and multiple microlens array, this microlens array be concentric annular arrange and around this center lens, respectively this microlens array comprises multiple lenticules, respectively the radius of the lenticule of this microlens array on this exiting surface is same as the radius of this center lenticule on this exiting surface, the lenticular central axis in this center and the distance of a lenticular central axis adjacent to center lens in a predetermined axial line are different from a lenticular central axis of arbitrary microlens array and the distance of a lenticular central axis of adjacent microlens array in this predetermined axial line.
2. optical element according to claim 1, is characterized in that, this light in part and this light out part are formed in one, and this center lens and this lenticule respectively direction in this light in part towards the opposite are convexly set in this exiting surface.
3. optical element according to claim 2, is characterized in that, lenticular this central axis of lenticular this central axis of arbitrary microlens array and adjacent microlens array in the distance of this predetermined axial line along with increasing away from this center lens.
4. optical element according to claim 2, is characterized in that, lenticular this central axis of lenticular this central axis of arbitrary microlens array and adjacent microlens array in the distance of this predetermined axial line along with reducing away from this center lens.
5. an optical element, is characterized in that, comprises:
One light in part; And
One light out part, be connected in this light in part, this light out part comprises an exiting surface, this exiting surface is provided with a center lens and multiple microlens array, this microlens array be concentric annular arrange and around this center lens, respectively this microlens array comprises multiple lenticules, a lenticular central axis of one central axis of this center lens and adjacent microlens array is same as a lenticular central axis of arbitrary microlens array and a lenticular central axis of the adjacent microlens array distance in this predetermined axial line in the distance of a predetermined axial line, the radius of the lenticule that the radius of this center lens on this exiting surface is different from each this microlens array on this exiting surface.
6. optical element according to claim 5, is characterized in that, this light in part and this light out part are formed in one, and this center lens and this lenticule respectively direction in this light in part towards the opposite are convexly set in this exiting surface.
7. optical element according to claim 6, is characterized in that, the radius of the lenticule of this microlens array on this exiting surface is along with reducing away from this center lens.
8. optical element according to claim 6, is characterized in that, the radius of the lenticule of this microlens array on this exiting surface is along with increasing away from this center lens.
9. an optical element, is characterized in that, comprises:
One light in part; And
One light out part, be connected in this light in part, this light out part comprises an exiting surface, this exiting surface is provided with a center lens and multiple microlens array, this microlens array be concentric annular arrange and around this center lens, respectively this microlens array comprises multiple lenticules, the radius of this center lens on this exiting surface is different from the radius of arbitrary microlens array on this exiting surface, and the distance of a lenticular central axis of a central axis of this center lens and adjacent microlens array in a predetermined axial line is different from a lenticular central axis of arbitrary microlens array and a lenticular central axis of the adjacent microlens array distance in this predetermined axial line.
10. optical element according to claim 9, is characterized in that, this light in part and this light out part are formed in one, and this center lens and this lenticule respectively direction in this light in part towards the opposite are convexly set in this exiting surface.
11. optical elements according to claim 10, is characterized in that, the radius of the lenticule of this microlens array on this exiting surface is along with increasing away from this center lens.
12. according to the optical element described in claim 10, it is characterized in that, the radius of the lenticule of this microlens array on this exiting surface reduces along with this center lens.
13. according to the optical element described in claim 11 or 12, it is characterized in that, the lenticular central axis of the lenticular central axis of arbitrary microlens array and adjacent microlens array in the distance of this predetermined axial line along with increasing away from this center lens.
14. according to the optical element described in claim 11 or 12, it is characterized in that, the lenticular central axis of the lenticular central axis of arbitrary microlens array and adjacent microlens array in the distance of this predetermined axial line along with reducing away from this center lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016653.4U CN203703823U (en) | 2014-01-10 | 2014-01-10 | Optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420016653.4U CN203703823U (en) | 2014-01-10 | 2014-01-10 | Optical element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703823U true CN203703823U (en) | 2014-07-09 |
Family
ID=51054261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420016653.4U Expired - Lifetime CN203703823U (en) | 2014-01-10 | 2014-01-10 | Optical element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703823U (en) |
-
2014
- 2014-01-10 CN CN201420016653.4U patent/CN203703823U/en not_active Expired - Lifetime
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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 |
Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |