CN208764682U - Light distribution element, light source assembly and illuminator - Google Patents
Light distribution element, light source assembly and illuminator Download PDFInfo
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- CN208764682U CN208764682U CN201821787842.6U CN201821787842U CN208764682U CN 208764682 U CN208764682 U CN 208764682U CN 201821787842 U CN201821787842 U CN 201821787842U CN 208764682 U CN208764682 U CN 208764682U
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Abstract
The utility model discloses a kind of light distribution element, light source assembly and illuminator.The light distribution element has light-source chamber, the first face, the plane of incidence and exit facet, first face is oppositely arranged with the exit facet, the light-source chamber is recessed towards the exit facet side by described first and is formed, the plane of incidence is the inner surface of the light-source chamber, and the plane of incidence includes fresnel surface, the exit facet includes concave reflecting surface, and the concave reflective is recessed towards the plane of incidence side.Light-source chamber is arranged in the light distribution element, the light-source chamber and exit facet are positioned opposite, therefore luminescence unit can be located at the lower section of light distribution element, and such light distribution element matches less luminescence unit i.e. and can reach the requirement of light-emitting uniformity, therefore has lower cost using the illuminator of the light distribution element.Meanwhile light-source chamber can accommodate luminescence unit, so that the space that light distribution element and luminescence unit integrally occupy is reduced, the space utilization rate of illuminator is promoted with this.
Description
Technical field
The utility model relates to technical field of lighting devices more particularly to a kind of light distribution elements, light source assembly and headlamp
Tool.
Background technique
The people of requirement with to(for) ambient lighting is higher and higher, and the performance of illuminator is also significantly improved.Mesh
Before, the type of illuminator is more, and luminescence unit (such as LED luminescence unit), luminescence unit are laid in these illuminators
The light of sending dissipates injection after light distribution element.
Light guide plate is one of structure type of light distribution element, it is more commonly used at present have edge-type light guide plate and it is straight under
Formula light guide plate.When wherein, using edge-type light guide plate, luminescence unit is located at the side of light distribution element, needs to arrange more hair
Light unit can meet the requirement of light-emitting uniformity, lead to the higher cost of illuminator；When using direct type light guide plate, hair
Light unit is set to the lower section of light distribution element, therefore less luminescence unit is arranged can meet the requirement of light-emitting uniformity,
But since luminescence unit is set to the lower section of light guide plate, the space that luminescence unit and light guide plate occupy is larger, causes to shine
The space utilization rate of bright lamp tool is lower.
Utility model content
The utility model discloses a kind of light distribution element, light source assembly and illuminator, to reduce the cost of illuminator, and
Improve the space utilization rate of illuminator.
To solve the above-mentioned problems, the utility model adopts the following technical solutions:
A kind of light distribution element, the light distribution element have light-source chamber, the first face, the plane of incidence and exit facet, first face
It is oppositely arranged with the exit facet, the light-source chamber is recessed towards the exit facet side by described first and is formed, described
The plane of incidence is the inner surface of the light-source chamber, and the plane of incidence includes fresnel surface, and the exit facet includes concave reflective
Face, the concave reflective are recessed towards the plane of incidence side.
A kind of light source assembly including light source board, the luminescence unit being set on the light source board and is set to the light source
Light distribution element on plate, the light distribution element are above-mentioned light distribution element, and the light distribution element is provide with the luminescence unit, described the
It is bonded on one side with the light source board.
A kind of illuminator, including driver and above-mentioned light source assembly, the driver are electrically connected with the light source assembly.
The technical solution adopted in the utility model can reach it is following the utility model has the advantages that
Light-source chamber is arranged in light distribution element disclosed by the utility model, and the light-source chamber and exit facet are positioned opposite, therefore shines
Unit can be located at the lower section of light distribution element, and such light distribution element, which matches less luminescence unit, can reach light-emitting uniformity
It is required that therefore there is lower cost using the illuminator of the light distribution element.Meanwhile light-source chamber can accommodate luminescence unit,
So that the space that light distribution element and luminescence unit integrally occupy is reduced, the space utilization rate of illuminator is promoted with this.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of light source assembly disclosed in the utility model embodiment；
Fig. 2 is the top view of light source assembly disclosed in the utility model embodiment；
Fig. 3 is the cross-sectional view of light source assembly disclosed in the utility model embodiment；
Fig. 4 is the partial enlarged view of part A in Fig. 3；
Fig. 5 is the structural schematic diagram of light distribution element disclosed in the utility model embodiment；
Fig. 6 is the bottom view of light distribution element shown in Fig. 5；
Fig. 7 is the structural schematic diagram of light distribution element disclosed in another embodiment of the utility model；
Fig. 8 is the top view of light distribution element shown in Fig. 7；
Fig. 9 is the bottom view of light distribution element shown in Fig. 7；
Figure 10 is the cross-sectional view of light distribution element shown in Fig. 7；
Figure 11 is the structural schematic diagram of light distribution element disclosed in another embodiment of the utility model；
Figure 12 is the top view of light distribution element shown in Figure 11；
Figure 13 is the bottom view of light distribution element shown in Figure 11；
Figure 14 is the cross-sectional view of light distribution element shown in Figure 11.
Description of symbols:
100- light source board, 200- light distribution element, 210- light-source chamber, the first face 220-, the 230- plane of incidence, 231- Fresnel table
Face, 232- cylindrical face, 240- exit facet, 241- concave reflecting surface, the second face 242-, 300- luminescence unit, 400- reflecting component.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
Below in conjunction with attached drawing, technical solution disclosed in each embodiment of the utility model is described in detail.
The utility model embodiment discloses a kind of illuminator, which includes driver and light source assembly.Driving
Device is electrically connected with light source assembly, to provide energy to light source assembly, light source assembly is emitted beam.The utility model is real
It applies illuminator disclosed in example specifically and can be ceiling lamp, pendent lamp etc..
As shown in Figs 1-4, above-mentioned light source assembly can specifically include light source board 100, light distribution element 200 and luminescence unit
300.Light source board 100 is electrically connected with driver above-mentioned, and driver is allowed to provide the required electricity that shines to light source board 100
Energy.Luminescence unit 300 is arranged on light source board 100, therefore light source board 100 can power to luminescence unit 300, so that it is single to shine
Member 300 shines, which can be using LED (Light Emitting Diode, light emitting diode) luminescence unit etc.
Structure type.Light distribution element 200 is similarly provided at light source board 100, which is provide with luminescence unit 300 and light source board
100, in the form of this is by reflection, refraction etc., the light issued to luminescence unit 300 carries out the adjustment of the parameters such as direction, makes
Obtain the illumination effect meet demand of entire illuminator.Specifically, luminescence unit 300 can be set to multiple, multiple luminous lists
Member 300 can be both secured on light source board 100.More specifically, can only accommodate a luminescence unit in each light-source chamber 210
300, two even more luminescence units 300 can also be accommodated.
In specific embodiment, light distribution element 200 can be lens, and the injected plastics material of the lens can be PC
(Polycarbonate, polycarbonate) or PMMA (polymethyl methacrylate, polymethyl methacrylate) are transparent
Particle.Certainly, which is also possible to light-guiding shade, this light-guiding shade can be used as appearance member use, such as can be direct
Set light distribution element 200 to the optical mask of illuminator.
As shown in figs 1 to 6, which has light-source chamber 210, the first face 220 and is located at light distribution member
The plane of incidence 230 and exit facet 240 of 200 two sides of part.First face 220 is oppositely arranged with exit facet 240, first face 220 and light
Source plate 100 is bonded, and is connected directly or is indirectly connected with the plane of incidence 230 and exit facet 240.Light-source chamber 210 is for accommodating hair
Light unit 300 is recessed from the first face 220 to 240 side of exit facet and is formed.The plane of incidence 230 is the interior table of light-source chamber 210
Face, and the plane of incidence 230 includes fresnel surface 231, in the optical axis direction (i.e. X-direction in Fig. 4) of luminescence unit 300
On, the section of the fresnel surface 231 is zigzag structure.Exit facet 240 includes concave reflecting surface 241, the concave reflecting surface
241 are recessed to 230 side of the plane of incidence.The light that luminescence unit 300 issues arrives first at the plane of incidence 230, these light exist
It is projected again by exit facet 240 after reflection or refraction in light distribution element 200.Specifically, concave reflecting surface 241 has reflection
The ability of light, therefore the concave reflecting surface 241 can change the light direction and exit positions of at least part light, with this
Change the light distribution situation on exit facet 240.
Light-source chamber 210, the light-source chamber 210 and exit facet 240 is arranged in light distribution element 200 disclosed in the utility model embodiment
It is positioned opposite, therefore luminescence unit 300 can be located at the lower section of light distribution element 200, such light distribution element 200 matches less hair
Light unit 300 be can reach the requirement of light-emitting uniformity, therefore using the illuminator of the light distribution element 200 have it is lower at
This.Meanwhile light-source chamber 210 can accommodate luminescence unit 300, so that the sky that light distribution element 200 and luminescence unit 300 integrally occupy
Between reduced, the space utilization rate of illuminator is promoted with this.
The specific structure of above-mentioned concave reflecting surface 241 can be with flexible choice, such as can be cascaded surface.But in order to be promoted
The structure of concave reflecting surface 241 is further improved in light-emitting uniformity, the utility model embodiment.Specifically, flat
For row on the direction of the optical axis of luminescence unit 300, the cross sectional shape of concave reflecting surface 241 is V-arrangement.That is, gradually leaning on
On the direction of the nearly plane of incidence 230, concave reflecting surface 241 is in tapered configuration, and the change in size of concave reflecting surface 241 is relatively more flat
It surely, is substantially not in the case where size is mutated.In this way, which light is after the reflex of concave reflecting surface 241, also
It can more uniformly project.
Further, above-mentioned concave reflecting surface 241 can be set to the surface of revolution, and rotating shaft can be parallel to luminescence unit
300 optical axis.Such setting can make light after the reflection of concave reflecting surface 241, centered on the rotating shaft of itself
It more uniformly spreads apart, achievees the purpose that promote illumination effect.
In a kind of optional embodiment, fresnel surface 231 can be the surface of revolution, and rotating shaft is parallel to luminescence unit
300 optical axis, fresnel surface 231 is formed by multiple descending concentric structures at this time.It, should in order to optimize light-out effect
The center of circle of fresnel surface 231 can be located on the optical axis of luminescence unit 300, so that light is with the optical axis of luminescence unit 300
It uniformly scatters at center.
Since concave reflecting surface 241 is sunk structure, which has minimum point.When Fresnel table
When face 231 is the surface of revolution, the nearest point in the center of circle on concave reflecting surface 241 apart from fresnel surface 231 is concave reflecting surface
241 minimum point, the minimum point are located on the rotating shaft of concave reflecting surface 241.In order to optimize the light-emitting uniformity of illuminator,
It can make the minimum point of concave reflecting surface 241 while be located at the optical axis of luminescence unit 300 and the rotating shaft of fresnel surface 231
On.In other words, the optical axis of the rotating shaft of concave reflecting surface 241, the rotating shaft of fresnel surface 231 and luminescence unit 300 is equal
Collinearly.It is more uniform that the light distribution that luminescence unit 300 can be made to issue is arranged such.
When concave reflecting surface 241 is the surface of revolution, other than with rotating shaft, also there is revolution bus, the revolution
Bus forms concave reflecting surface 241 around one circle of rotating shaft rotation.This revolution bus can be straight line, be also possible to curve,
In order to further improve light-out effect, the revolution bus is set arc curve by the utility model embodiment, close to incident
On the direction in face 230, at least part of curvature of the arc curve is first gradually increased, then is gradually reduced.That is, revolution bus is same
When there are the part that Curvature varying is smaller and Curvature varying is bigger, and Curvature varying is compared in the smaller part of Curvature varying
Bigger part is further from the plane of incidence 230.
As previously mentioned, concave reflecting surface 241 can reflect the light for passing through the plane of incidence 230, so concave reflective
The size in face 241 will directly affect the quantity for the light that it can be reflected.In order to guarantee the major part across the plane of incidence 230 as far as possible
Light can be reflected by concave reflecting surface 241, on the direction of optical axis for being parallel to luminescence unit 300, concave reflecting surface 241
Perspective plane covering the plane of incidence 230 perspective plane.That is, overlooking light distribution element 200 from the top of concave reflecting surface 241
When, concave reflecting surface 241 can block the plane of incidence 230, therefore the area of concave reflecting surface 241 is greater than the area of the plane of incidence 230.
The exit facet 240 of light distribution element 200 can only include previously described concave reflecting surface 241, can also be further
Including the second face 242 connecting with concave reflecting surface 241, the first face 220 and the second face 242 are plane, and the two is mutually flat
Row.The second face 242 herein is different for the corrective action of optical path direction and concave reflecting surface 241, thus can with it is recessed
241 collective effect of shape reflecting surface, so that light is more uniformly projected from entire exit facet 240.
The edge of the one end of concave reflecting surface 241 far from the plane of incidence 230 is its top edge, and the shape of the top edge can
Think circle, ellipse, triangle, rectangle, pentagon, hexagon or octagon, other shapes can also be used.Selection is not
Same shape can make the light-out effect of light distribution element 200 different.In addition, the intersection of the plane of incidence 230 and the first face 220
The shape of line can be circle, ellipse, triangle, rectangle, pentagon, hexagon or octagon, can also use other
Shape.Similarly, the different shape of this intersection line options can make the light-out effect of light distribution element 200 different.
In the utility model embodiment, light-source chamber 210 and concave reflecting surface 241 can only be arranged one, but in order to
Meet large-scale lighting demand, light-source chamber 210 and concave reflecting surface 241 can be disposed as to multiple, and each light-source chamber 210
It is positioned opposite one by one with each concave reflecting surface 241.After such setting, the luminescence unit 300 being arranged in each light-source chamber 210 is issued
Light mainly reflected by the concave reflecting surface 241 corresponding to it, reflecting effect is more preferable, be conducive to optimize illuminator go out
Light effect.At this point, the concrete shape of the concrete shape of multiple concave reflecting surfaces 241, multiple light sources chamber 210 can be identical, it can also
With not identical.
When light-source chamber 210 is set as multiple, each light-source chamber 210 can be spaced setting, and such setting both can satisfy more
The setting of a luminescence unit 300, expands irradiated area with this, can also prevent brought by the arrangement of light-source chamber 210 excessively concentration
Cost consumption problem.When concave reflecting surface 241 is set as multiple, each concave reflecting surface 241 can be connected with each other, and be increased respectively with this
Concave reflecting surface 241 is formed by the area of reflecting surface, promotes light reflecting effect, further light is promoted uniformly to project.
In order to further enhance light-out effect, each light-source chamber 210 can arrange in determinant.At this point, each line light source chamber 210
It can be aligned setting in a column direction or shift to install, to obtain different illumination effects.Similarly, each concave reflecting surface
241 can also arrange in determinant, and each row concave reflecting surface 241 can be aligned setting in a column direction or shift to install.
In specific embodiment, as shown in figures 1 to 6, in the light distribution element 200, the top edge of concave reflecting surface 241 can be with
For circular edge, multiple concave reflecting surfaces 241 are arranged in determinant, and each row concave reflecting surface 241 shifts to install in a column direction,
The shape of the plane of incidence 230 and the intersecting lens in the first face 220 is circle, and multiple light sources chamber 210 is arranged in determinant, each line light source chamber
210 shift to install in a column direction.As is seen in figs 7-10, in the light distribution element 200, the top edge of concave reflecting surface 241 is
(specifically, the top edge of a part of concave reflecting surface 241 is hexagonal margin, a part of concave reflecting surface to hexagonal margin
Combined and formed by straight line and camber line in 241 top edge), multiple concave reflecting surfaces 241 arrange and are connected to each other in determinant, respectively
Row concave reflecting surface 241 shifts to install in a column direction, and the shape of the intersecting lens in the plane of incidence 230 and the first face 220 is circle, more
A light-source chamber 210 is arranged in determinant, and each line light source chamber 210 shifts to install in a column direction.As illustrated in figs. 11-14, the light distribution
In element 200, the top edge of concave reflecting surface 241 can be rectangular edges (specifically, a part of concave reflecting surface 241
Top edge is rectangular edges, and the top edge of a part of concave reflecting surface 241 is combined by straight line and camber line to be formed), it is multiple recessed
Shape reflecting surface 241 arranges and is connected to each other in determinant, and each row concave reflecting surface 241 is aligned setting, the plane of incidence in a column direction
230 and first the shape of intersecting lens in face 220 be circle, in determinant arrangement, each line light source chamber 210 exists multiple light sources chamber 210
Setting is aligned on column direction.
As shown in figure 4, the plane of incidence 230 further includes cylindrical face 232 in a kind of optional embodiment, fresnel surface 231 is logical
It crosses the cylindrical face 232 to connect with the first face 220, and the extending direction of the cylindrical face 232 is parallel to the optical axis of luminescence unit 300.
In the light that luminescence unit 300 issues, a part is incident from fresnel surface 231, and a part is incident from cylindrical face 232, therefore
The cylindrical face 232 can carry out the adjustment of the direction of propagation to the light that luminescence unit 300 issues, so that luminescence unit 300 issues
Light range of exposures, uniformity it is all more ideal.
In the utility model embodiment, concave reflecting surface 241 and the plane of incidence 230 are sunk structure, therefore the two is recessed
Sunken degree will have an impact the structural strength of light-out effect, light distribution element 200.Refering to what is shown in Fig. 4, optionally, spill is anti-
The minimum point in face 241 is penetrated along the optical axis direction of luminescence unit 300 and the distance between the top edge of concave reflecting surface 241
For the first depth H 1, which is the point that distance the first face 220 is nearest on concave reflecting surface 241.This first depth H 1 characterization
The sinking degree of concave reflecting surface 241 in order to promote light-out effect, while guaranteeing the structural strength of light distribution element 200, this first
Ratio between depth H 1 and the thickness D of light distribution element 200 is 1/3~2/3.Need to illustrate when, the direction where thickness D
It is parallel to the optical axis of luminescence unit 300.
Similarly, the highest point of the plane of incidence 230 is along the optical axis direction of luminescence unit 300 and the bottom of the plane of incidence 230
The distance between edge is the second depth H 2, which is the point that distance the first face 220 is nearest on the plane of incidence 230, this second
Ratio between depth H 2 and the thickness D of light distribution element 200 is 1/5~1/2.
Further, light distribution element 200 also has the even smooth surface of spill, and the even smooth surface of the spill is anti-to spill from the first face 220
241 side of face is penetrated to be recessed to be formed.That is, the even smooth surface of the spill is identical as the recess direction of the plane of incidence 230.This spill
Even smooth surface can be set to multiple, and each even smooth surface of spill is arranged in determinant or rounded radial arrangement, with this bigger
Area in realize the effect of even light.
If the above-mentioned even smooth surface of spill is oversized, it not only can excessively occupy light distribution element 200 and the plane of incidence 230 1 is set
The area of side, and the size of the plane of incidence 230 and arrangement is caused to be affected, it is also possible to cause the reflecting effect of light to be deteriorated,
Therefore the size of the even smooth surface of spill can be set smaller.Certainly, for the ease of processing the even smooth surface of the spill, the even smooth surface of spill
Size can not be too small.Based on this, the utility model embodiment can be set the even smooth surface of spill and the intersecting lens in the first face 220
It is set to round wire, the diameter of the round wire is 0.8~1mm, to control the size of the even smooth surface of spill.More specifically, spill is even
Smooth surface can be spherical structure.
It, can also be along the circumferential setting reflecting component 400 of light distribution element 200, the reflecting component in order to improve light utilization
400 can specifically can be with reflection light using PET (Polyethylene terephthalate, poly terephthalic acid class
Plastics) reflective membrane made of material.
Emphasis describes the difference between each embodiment in the utility model foregoing embodiments, between each embodiment
As long as different optimization feature non-contradiction, can combine to form more preferably embodiment, it is contemplated that style of writing is succinct, this then no longer
It repeats.
The above description is only the embodiments of the present invention, is not intended to limit the utility model.For this field
For technical staff, various modifications and changes may be made to the present invention.All institutes within the spirit and principle of the utility model
Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of the claims of the utility model.
Claims (19)
1. a kind of light distribution element, which is characterized in that the light distribution element has light-source chamber, the first face, the plane of incidence and exit facet, institute
It states the first face to be oppositely arranged with the exit facet, the light-source chamber is by described first towards the exit facet side concave shape
At the plane of incidence is the inner surface of the light-source chamber, and the plane of incidence includes fresnel surface, and the exit facet includes recessed
Shape reflecting surface, the concave reflective are recessed towards the plane of incidence side.
2. light distribution element according to claim 1, which is characterized in that on the direction for the optical axis for being parallel to luminescence unit,
The cross sectional shape of the concave reflecting surface is V-arrangement.
3. light distribution element according to claim 2, which is characterized in that the concave reflecting surface is the surface of revolution, the spill
The rotating shaft of reflecting surface is parallel to the optical axis；
The fresnel surface is the surface of revolution, and the rotating shaft of the fresnel surface is parallel to the optical axis, and the Fresnel
The center of circle on surface is located on the optical axis.
4. light distribution element according to claim 3, which is characterized in that the center of circle described in distance is nearest on the concave reflecting surface
Point be the concave reflecting surface minimum point, the minimum point is located at the revolution of the optical axis and the fresnel surface simultaneously
On axis.
5. light distribution element according to claim 3, which is characterized in that the revolution bus of the concave reflecting surface is that arc is bent
Line, on the direction close to the plane of incidence, at least part of curvature of the arc curve is first gradually increased, then is gradually subtracted
It is small.
6. light distribution element according to claim 1, which is characterized in that on the direction for the optical axis for being parallel to luminescence unit,
The perspective plane of the concave reflecting surface covers the perspective plane of the plane of incidence.
7. light distribution element according to claim 1, which is characterized in that the exit facet further includes and the concave reflecting surface
Second face of connection, first face and second face are plane, and are parallel to each other.
8. light distribution element according to claim 1, which is characterized in that the shape of the top edge of the concave reflecting surface is
Circle, ellipse, triangle, rectangle, pentagon, hexagon or octagon, and/or,
The shape of the plane of incidence and the intersecting lens in first face is circle, ellipse, triangle, rectangle, pentagon, six sides
Shape or octagon.
9. light distribution element according to claim 1 to 8, which is characterized in that the light-source chamber and the spill are anti-
The face of penetrating is disposed as multiple, and each light-source chamber and each concave reflecting surface are positioned opposite one by one.
10. light distribution element according to claim 9, which is characterized in that each light-source chamber arranged for interval, and/or, each institute
State concave reflecting surface interconnection.
11. light distribution element according to claim 10, which is characterized in that each light-source chamber is arranged in determinant, each row
The light-source chamber is aligned setting in a column direction or shifts to install, and/or,
Each concave reflecting surface is arranged in determinant, and concave reflecting surface described in each row is aligned setting or dislocation in a column direction
Setting.
12. light distribution element according to claim 1 to 8, which is characterized in that the plane of incidence further includes column
Face, the fresnel surface are connect by the cylindrical face with first face, and the extending direction of the cylindrical face is parallel to hair
The optical axis of light unit.
13. light distribution element according to claim 1 to 8, which is characterized in that the concave reflecting surface it is minimum
Point is the first depth along the distance between the optical axis direction of luminescence unit and the top edge of the concave reflecting surface, described
Minimum point is the point that the first face described in distance is nearest on the concave reflecting surface, the thickness of first depth and the light distribution element
Ratio between degree is 1/3~2/3, and/or,
The highest point of the plane of incidence is the along the distance between bottom margin of the optical axis direction and the plane of incidence
Two depth, the highest point are the point that the first face described in distance is farthest on the plane of incidence, second depth and the light distribution
Ratio between the thickness of element is 1/5~1/2；
Wherein, the optical axis is oriented parallel to where the thickness.
14. light distribution element according to claim 1 to 8, which is characterized in that the light distribution element also has recessed
The even smooth surface of shape, the even smooth surface of spill, which is recessed by described first towards the concave reflecting surface side, to be formed.
15. light distribution element according to claim 14, which is characterized in that the even smooth surface of spill is set as multiple, each institute
The even smooth surface of spill is stated in determinant arrangement or rounded radial arrangement.
16. light distribution element according to claim 15, which is characterized in that the phase of the even smooth surface of spill and first face
Intersection is circular intersection, and the diameter of the circular intersection is 0.8~1mm.
17. light distribution element according to claim 1 to 8, which is characterized in that the light distribution element is light-guiding shade.
18. a kind of light source assembly, which is characterized in that including light source board, the luminescence unit being set on the light source board and setting
Light distribution element on the light source board, the light distribution element are light distribution element described in any one of claim 1-17, institute
It states light distribution element and is provide with the luminescence unit, first face is bonded with the light source board.
19. a kind of illuminator, which is characterized in that including light source assembly described in driver and claim 18, the driving
Device is electrically connected with the light source assembly.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787842.6U CN208764682U (en) | 2018-10-31 | 2018-10-31 | Light distribution element, light source assembly and illuminator |
| PCT/CN2019/112365 WO2020088292A1 (en) | 2018-10-31 | 2019-10-21 | Light distribution element, light source assembly, and illumination lamp |
| US17/139,217 US11396983B2 (en) | 2018-10-31 | 2020-12-31 | Light distribution element, light source assembly and lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787842.6U CN208764682U (en) | 2018-10-31 | 2018-10-31 | Light distribution element, light source assembly and illuminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764682U true CN208764682U (en) | 2019-04-19 |
Family
ID=66136679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821787842.6U Active CN208764682U (en) | 2018-10-31 | 2018-10-31 | Light distribution element, light source assembly and illuminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208764682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268707A (en) * | 2018-10-31 | 2019-01-25 | 欧普照明股份有限公司 | Light distribution element, light source assembly and illuminator |
-
2018
- 2018-10-31 CN CN201821787842.6U patent/CN208764682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268707A (en) * | 2018-10-31 | 2019-01-25 | 欧普照明股份有限公司 | Light distribution element, light source assembly and illuminator |
| CN109268707B (en) * | 2018-10-31 | 2024-05-31 | 欧普照明股份有限公司 | Light distribution element, light source assembly and lighting lamp |
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