CN108775554B - Lens and lamp box - Google Patents

Lens and lamp box Download PDF

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Publication number
CN108775554B
CN108775554B CN201810681499.5A CN201810681499A CN108775554B CN 108775554 B CN108775554 B CN 108775554B CN 201810681499 A CN201810681499 A CN 201810681499A CN 108775554 B CN108775554 B CN 108775554B
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China
Prior art keywords
light
lens
curved surface
light source
box
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CN201810681499.5A
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Chinese (zh)
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CN108775554A (en
Inventor
卜晨曦
肖柳华
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Opple Lighting Co Ltd
Suzhou Op Lighting Co Ltd
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Opple Lighting Co Ltd
Suzhou Op Lighting Co Ltd
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Priority to CN201810681499.5A priority Critical patent/CN108775554B/en
Publication of CN108775554A publication Critical patent/CN108775554A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/04Refractors for light sources of lens shape

Abstract

The invention discloses a lens and a lamp box, wherein the lens comprises a light incident surface, a light emergent surface, a bottom surface and a containing cavity for containing a light source, the cross section of the lens perpendicular to the bottom surface is of an axisymmetric structure, the wall surface of the containing cavity is the light incident surface, the light incident surface is a curved surface and is bent towards a direction away from the bottom surface, the light emergent surface comprises a first curved surface area positioned at the center and a second curved surface area arranged at the periphery of the first curved surface area, the first curved surface area is sunken towards the bottom surface, and the second curved surface area is protruded towards a direction away from the symmetric axis. According to the lens provided by the invention, the maximum light intensity angle of the lens is larger than 70 degrees through adjusting the proportional relation between the height and the width of the light incident surface and the thickness of the lens and adjusting the position of the highest point of the light emergent surface. The lamp box for distributing light by the lens has the advantages that on the premise of meeting the brightness requirement and the light emitting uniformity requirement, the number of the light sources of the required array in unit area is small, so that the material cost is saved, and the assembly efficiency is improved.

Description

Lens and lamp box
Technical Field
The invention belongs to the technical field of illumination, and particularly relates to a lens and a lamp box.
Background
The existing lamp box is mostly rectangular, comprises a plurality of lamp strips which are arranged in parallel along the length direction, the distances among the lamp strips are the same, and each lamp strip comprises a plurality of light-emitting units which are uniformly arranged on the lamp strip. Generally, lenses are used for one-to-one light distribution of the light emitting units, so that the irradiation range of the light emitting units is increased. However, the uniformity of the existing lens is poor, the light bars are required to be densely arranged to meet the requirement of the light box on the uniformity of light emission, so that the material cost is high, and meanwhile, the assembly time is also increased.
Disclosure of Invention
The present invention is directed to solving the above problems, and provides a lens and a lamp box, wherein the lens can realize uniform light emission in a wide angle range.
In order to achieve the above object, the present invention provides a lens, applied to a lamp box,
the lens comprises a light incident surface, a light emergent surface opposite to the light incident surface, a bottom surface connected with the light incident surface and a containing cavity for containing the light source, the lens is perpendicular to the cross section of the bottom surface and has a symmetry axis, the wall surface of the containing cavity is the light incident surface,
the light incident surface is a curved surface and is bent towards a direction away from the bottom surface,
the light-emitting surface is a curved surface and comprises a first curved surface area positioned at the center and a second curved surface area arranged at the periphery of the first curved surface area, the first curved surface area is sunken towards the bottom surface, the second curved surface area is protruded towards the direction away from the symmetry axis, the intersection point of the first curved surface area and the second curved surface area on the section is an intersection point b, the intersection point b is the farthest point from the bottom surface on the light-emitting surface,
the distance between the center point of the light incident surface and the bottom surface is h1, the distance between the intersection point of the light incident surface and the bottom surface on the section and the symmetry axis is d1, the distance between the light emergent surface and the light incident surface in the extending direction of the symmetry axis is h2, the distance between two points which are positioned on the same side of the symmetry axis and are farthest from the symmetry axis on the bottom surface is d2, the distance between the intersection point b and the center point of the light emergent surface in the axial direction is h3,
the proportional relation among h1, h2, h3, d1 and d2 is that h2 d1/h1 d2 is less than or equal to 0.2, and 0.1< h3/h2<0.2.
Further, the light incident surface is any one of a free curved surface, an ellipsoid, a sphere and a paraboloid.
Furthermore, the lens is of an axisymmetric structure, the first curved surface area is formed by rotationally connecting two different spline curves, and the two spline curves are tangent.
Furthermore, the lens is of a stretching type structure, the first curved surface area is formed by stretching and connecting two different spline curves, and the two spline curves are tangent.
Further, at least two positioning parts for positioning the lens above the light source are arranged on the bottom surface of the lens.
Further, a concave part is further arranged on the bottom surface of the lens, and at least two convex parts protrude from the edge of the concave part to the inner side of the concave part.
Further, two protruding portions are oppositely arranged on the bottom surface, two positioning portions are oppositely arranged on the bottom surface, and the protruding portions and the positioning portions are uniformly distributed on the periphery of the bottom surface.
In order to achieve the above object, the present invention further provides a light source module, which includes a substrate, the lenses and light sources arranged on the substrate in an array, wherein the lenses are connected with the substrate and cover the light sources.
Further, the lenses are round or bar-shaped, and when the lenses are round, the lenses are one-to-one covered above the light sources; the light sources are arranged in an array along a first direction and a second direction perpendicular to the first direction, and when the lenses are strip-shaped, the lenses cover the light sources along the first direction or the second direction.
Further, the substrate is strip-shaped, and the light sources are uniformly arranged along the extending direction of the substrate.
In order to achieve the above purpose, the invention also provides a lamp box, which comprises a box body, the light source module and the driving power source module which are fixed in the box body, and a light-transmitting element covering the light source module.
Further, the light source module is a strip-shaped module, the light-transmitting element is in a flat plate shape, the distance between adjacent light sources is L, and the distance between the light sources and the light-transmitting element is H, wherein H/L is less than or equal to 0.3.
Further, the driving power supply module comprises a power supply box and a driving power supply accommodated in the power supply box, and the power supply box is clamped to the substrate.
Further, the lamp box further comprises an annular outer frame and a hollowed-out area surrounded by the outer frame, the outer frame is connected with the box body, and the light-transmitting element is connected with the outer frame and covers the hollowed-out area.
The beneficial effects are that: the lens and the lamp box provided by the invention have a hyperboloid structure, and the maximum light intensity angle of the lens is larger than 70 degrees through adjusting the proportional relation between the height and the width of the light incident surface and the thickness of the lens and adjusting the position of the highest point of the light emergent surface. The lamp box for distributing light by the lens has the advantages that on the premise of meeting the brightness requirement and the light emitting uniformity requirement, the number of the light sources of the required array in unit area is small, so that the material cost is saved, and the assembly efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is a partially exploded perspective view of a light box according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view taken along line A-A of fig. 1.
Fig. 3 is a schematic perspective view of the light bar in fig. 1.
Fig. 4 is a perspective view of the lens of fig. 1.
Fig. 5 is another angular perspective view of the lens of fig. 4.
Fig. 6 is a schematic cross-sectional view taken along line B-B in fig. 3.
Fig. 7 is a light distribution curve corresponding to the combination of the light source and the lens of fig. 6.
Fig. 8 is a brightness curve of a central axis parallel to the A-A line of the lamp box according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 to 8 show a lamp box 100 according to the present invention, which comprises a box 10, a light source module 20 and a driving power module 30 fixed in the box 10, and a light transmitting element 40 covering the light source module 20, wherein the light source module 20 comprises a substrate 1, light sources 2 arranged in an array on the substrate 1, and a lens 3 connected with the substrate 1 and covering the light sources 2. The maximum light intensity angle of the lens 3 is larger than 70 degrees, and the lamp box 100 for distributing light through the lens 3 has higher light emitting uniformity.
The following describes the elements and the connection relationships between the elements in the light box 100 according to the embodiment of the present invention.
As shown in fig. 1 and 2, the case 10 is a flat cuboid having an opening 101, and the light emitted from the light source module 20 faces the opening 101. In the present embodiment, the light-transmitting element 40 is a flat diffusion panel, which is connected to the case 10 and covers the light source module 20. Wherein the distance between the light source 2 and the light-transmitting element 40 is H. In other alternative embodiments, the light box 100 may further include an annular outer frame (not shown) and a hollowed-out area (not shown) surrounded by the outer frame, the outer frame is connected to the box 10, and the light-transmitting element 40 is connected to the outer frame and covers the hollowed-out area.
Referring to fig. 1 to 3, in the present embodiment, the light source module 20 includes a plurality of substrates 1 extending along the width direction of the box 10 and uniformly arranged along the length direction of the box 10, and the light sources 2 are uniformly arranged on the substrates, so that for the whole light box 100, the light sources 2 are arranged in an array in the box 10. In the length direction, the distance between the adjacent light sources 2 is L, and when H/L is less than or equal to 0.3 between H and L, the lamp box 100 has higher light emitting uniformity.
In other alternative embodiments, the base plate 1 may also extend along the length direction of the case 10 and be uniformly arranged in the width direction of the case 10. Alternatively, the light source module 20 may include only one rectangular substrate, and the light sources 2 are fixed on the substrate and arranged in an array on the substrate.
In this embodiment, the light source 2 is an LED light source. Positioning holes 11 are formed in the substrate 1 at two sides corresponding to each light source 2. The lenses 3 are circular and cover the light sources 2 one by one.
As shown in connection with fig. 4 to 6, the specific structure of the lens 3 is as follows:
the lens 3 includes a light incident surface 31, a light emergent surface 32 facing the light incident surface 31, a bottom surface 33 connected to the light incident surface 31, and a housing cavity 34 for housing the light source 2, wherein a wall surface of the housing cavity 34 is the light incident surface 31. The lens 3 has an axisymmetric structure with a symmetry axis 301, for example, the lens 3 has an axisymmetric structure with a rotation or an extended axisymmetric structure. In this embodiment, the lens 3 has an axirotationally symmetrical structure, the bottom surface 33 is an annular plane disposed around the light incident surface 31, and fig. 6 is a schematic cross-sectional view of the lens 3 passing through the symmetry axis 301.
The light incident surface 31 is curved and curved in a direction away from the bottom surface 33, and specifically, the light incident surface 31 is any one of a free-form surface, an ellipsoidal surface, a spherical surface, and a parabolic surface.
The light emitting surface 32 is a curved surface, and includes a first curved surface area 321 at the center and a second curved surface area 322 disposed at the periphery of the first curved surface area 321, where the first curved surface area 321 is concave toward the bottom surface 33, and the second curved surface area 322 is convex away from the symmetry axis 301. In an embodiment, the light emitting surface 32 is formed by rotationally connecting three spline curves, wherein the first curved surface area 321 is formed by rotationally connecting a first spline curve 3211 and a second spline curve 3212, the second curved surface area 322 is formed by rotationally connecting a third spline curve 3221, and the first spline curve 3211, the second spline curve 3212 and the third spline curve 3221 are tangent to each other. When the surface type of the lens 3 is designed, the light emergent angle of the lens 3 can be conveniently adjusted by adjusting the spline curve.
The intersection point of the second spline curve 3212 and the third spline curve 3221 on the cross section is an intersection point b, which is the farthest point from the bottom surface 33 on the light-emitting surface 32. Center point O of light incident surface 31 1 The distance from the bottom surface 33 is h1, the distance between the intersection point a of the light incident surface 31 and the bottom surface 33 on the cross section and the symmetry axis 301 is d1, that is, the distance between the O point and the a point is d1; light-emitting surface 32 and light-entering surface 31The distance in the direction of extension of the symmetry axis 301 is h2, i.e. O 2 Point and O 1 The distance between the two is h2; the point of the light emitting surface 32 farthest from the symmetry axis 301 is a point c, the point of the light entering surface 31 farthest from the symmetry axis 301 is a point a, and the distance between the point a and the point c on the bottom surface is d2; the intersection b has a pitch h3 in the direction of the symmetry axis 301 with respect to the center point O2 of the light-emitting surface 32. The following proportional relationships are satisfied among h1, h2, h3, d1 and d 2: h2.d1/h1.d2.ltoreq. 0.2,0.1<h3/h2<0.2。
As shown in connection with fig. 7 and 8, the lens 3 satisfying the above dimensional proportionality is a batwing light distribution, and the maximum light intensity angle is greater than 70 °. That is, the lens 3 provided in this embodiment adjusts the height and width of the light incident surface 31, the thickness of the lens 3, and the position of the highest point of the light emergent surface 32, so that the maximum light intensity angle of the lens 3 is greater than 70 °, and the number of substrates 1 required for a unit distance of the light box 100 in the length direction is small. By combining the arrangement that H/L of the lamp box 100 is less than or equal to 0.3, the corresponding emergent light rays between the adjacent substrates 1 can be uniformly transited, so that the lamp box 100 has higher uniformity.
As shown in fig. 3 to 5, at least two positioning portions 35 for positioning the lens 3 above the light source 2 are provided on the bottom surface 33 of the lens 3. The bottom surface 33 of the lens 3 is further provided with a recess 331, and at least two protrusions 36 protrude from the edge of the recess 331 toward the inside of the recess 331. Two protrusions 36 are provided on the bottom surface 33, two positioning portions 35 are provided on the bottom surface 33, and the protrusions 36 and the positioning portions 35 are uniformly arranged on the outer periphery of the bottom surface 33. In this embodiment, the positioning portion 35 is a circular positioning column, when the lens 3 and the substrate 1 are assembled, firstly, glue is applied to the position corresponding to the protruding portion 36 on the substrate 1, then the positioning portion 35 is installed in the positioning hole 11, and after the glue is pressed and solidified, the installation is completed. The positioning is firstly carried out in the whole assembly process, so that the lens 3 has a standard and is easy to assemble; meanwhile, as the positioning part 35 of the lens 3 extends into the positioning hole 11 on the substrate 1, the lens 3 is not easy to fall off when being subjected to lateral external force. In addition, the lens 3 can be automatically operated or manually operated when being fixed, thereby greatly facilitating the production of the production line.
In other alternative embodiments, the lens 3 may also be a bar-like, etc. extension-type structure. The light sources 2 are arranged in an array along the length direction and the width direction, and when the lenses 3 are in a strip shape, the lenses 3 are covered above the light sources 2 along the length direction or the width direction. The distance between the adjacent lenses 3 is L, and the lamp box 100 still needs to meet H/L less than or equal to 0.3, so that the lamp box 100 has higher light emitting uniformity.
Referring to fig. 1, in the present embodiment, the driving power module 30 includes a plurality of power boxes 310 and a driving power source accommodated in the power boxes 310, one end of each substrate is provided with a power box 310, and the power boxes 310 are connected to the substrate 1 by a clamping manner. For example, a hollow holding structure is provided on the power supply box 310, and the substrate 1 may pass through the holding structure and be held inside the holding structure, so as to fix the power supply box 310 on the substrate 1.
The lamp box 100 provided by the embodiment of the invention is characterized in that the lens 3 is used for carrying out light distribution, the lens 3 is of a hyperboloid structure, the lens 3 is used for carrying out batwing light distribution, and the maximum light intensity angle is larger than 70 degrees. The upper area of the lamp box 100 is uniformly illuminated by a single substrate 1, and the overlapping part is uniformly transited by the design of the lens 3, so that the lamp box 100 has higher light emitting uniformity. The number of light sources 2 of the required array per unit area is small on the premise that the brightness requirement and the light emitting uniformity requirement are met by the lamp box 100, so that the material cost is saved, and the assembly efficiency is improved.
The lens 3 provided in this embodiment is not limited to be applied to a lamp box, but can be applied to other lamps such as a lamp panel and a ceiling lamp.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications may be made within the spirit and principles of the invention.

Claims (14)

1. A lens is applied to a lamp box, and is characterized in that,
the lens comprises a light incident surface, a light emergent surface opposite to the light incident surface, a bottom surface connected with the light incident surface and a containing cavity for containing the light source, the lens is perpendicular to the cross section of the bottom surface and has a symmetry axis, the wall surface of the containing cavity is the light incident surface,
the light incident surface is a curved surface and is bent towards a direction away from the bottom surface,
the light-emitting surface is a curved surface and comprises a first curved surface area positioned at the center and a second curved surface area arranged at the periphery of the first curved surface area, the first curved surface area is sunken towards the bottom surface, the second curved surface area is protruded towards the direction away from the symmetry axis, the intersection point of the first curved surface area and the second curved surface area on the section is an intersection point b, the intersection point b is the farthest point from the bottom surface on the light-emitting surface,
the distance between the center point of the light incident surface and the bottom surface is h1, the distance between the intersection point of the light incident surface and the bottom surface on the section and the symmetry axis is d1, the distance between the light emergent surface and the light incident surface in the extending direction of the symmetry axis is h2, the distance between two points which are positioned on the same side of the symmetry axis and are farthest from the symmetry axis respectively on the bottom surface is d2, the distance between the intersection point b and the center point of the light emergent surface in the direction of the symmetry axis is h3,
the proportional relation among h1, h2, h3, d1 and d2 is that h2 d1/h1 d2 is less than or equal to 0.2, and 0.1< h3/h2<0.2.
2. The lens of claim 1, wherein the light entrance surface is any one of a free-form surface, an ellipsoidal surface, a spherical surface, and a parabolic surface.
3. The lens of claim 1, wherein the lens is of axisymmetric structure, and the first curved surface area is formed by rotationally connecting two different spline curves, and the two spline curves are tangent.
4. The lens of claim 1, wherein the lens is a stretched structure, and the first curved surface area is stretched and connected by two different spline curves, and the spline curves are tangent.
5. The lens of claim 1, wherein at least two positioning portions for positioning the lens above the light source are provided on a bottom surface of the lens.
6. The lens of claim 5, wherein the bottom surface of the lens is further provided with a recess, and at least two protrusions protrude inward of the recess from edges of the recess.
7. The lens according to claim 6, wherein two protruding portions are provided opposite to each other on the bottom surface, two positioning portions are provided opposite to each other on the bottom surface, and the protruding portions and the positioning portions are uniformly arranged on the outer periphery of the bottom surface.
8. A light source module, comprising a substrate, light sources arranged in an array on the substrate, and the lens according to any one of claims 1 to 7, wherein the lens is connected to the substrate and covers the light sources.
9. The light source module of claim 8, wherein the lenses are circular or bar-shaped, and when the lenses are circular, the lenses are one-to-one covered over the light source; the light sources are arranged in an array along a first direction and a second direction perpendicular to the first direction, and when the lenses are strip-shaped, the lenses cover the light sources along the first direction or the second direction.
10. The light source module of claim 8, wherein the substrate is strip-shaped, and the light sources are uniformly arranged along the extending direction of the substrate.
11. A lamp box, characterized in that the lamp box comprises a box body, a light source module and a driving power module which are fixed in the box body, and a light-transmitting element which covers the light source module, wherein the light source module is the light source module of any one of claims 8-10.
12. The light box according to claim 11, wherein the light source module is a strip module, the light transmitting element is a flat plate, a distance between adjacent light sources is L, and a distance between the light sources and the light transmitting element is H, wherein H/L is less than or equal to 0.3.
13. The light box of claim 12, wherein the driving power module comprises a power box and a driving power supply accommodated in the power box, and the power box is clamped to the substrate.
14. The light box of claim 12, further comprising an annular outer frame and a hollowed-out area surrounded by the outer frame, wherein the outer frame is connected with the box body, and the light-transmitting element is connected with the outer frame and covers the hollowed-out area.
CN201810681499.5A 2018-06-27 2018-06-27 Lens and lamp box Active CN108775554B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101852388A (en) * 2010-06-23 2010-10-06 深圳市九洲光电科技有限公司 Wide-angle light-distribution lens for LEDs and application thereof
CN202613315U (en) * 2012-05-30 2012-12-19 深圳市汉鼎能源科技有限公司 Light distribution lens of LED streetlamp
CN104344334A (en) * 2013-07-31 2015-02-11 鸿富锦精密工业(深圳)有限公司 Lens and light source module using same
CN104456415A (en) * 2013-09-23 2015-03-25 鸿富锦精密工业(深圳)有限公司 Lens and light source module with same
CN104566203A (en) * 2013-10-12 2015-04-29 鸿富锦精密工业(深圳)有限公司 Lens and light source module using lens
CN104595790A (en) * 2013-10-30 2015-05-06 鸿富锦精密工业(深圳)有限公司 Light source module
CN206291098U (en) * 2016-12-29 2017-06-30 苏州欧普照明有限公司 A kind of lens, light source module and lighting device
JP2017519328A (en) * 2014-06-19 2017-07-13 ▲蘇▼州▲東▼山精密制造股▲分▼有限公司Suzhou Dongshan Precision Manufacturing Co., Ltd. LED lens and LED light source provided with the LED lens
CN208253467U (en) * 2018-06-27 2018-12-18 苏州欧普照明有限公司 A kind of lens, light source module group and lamp box

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070091615A1 (en) * 2005-10-25 2007-04-26 Chi-Tang Hsieh Backlight module for LCD monitors and method of backlighting the same
TW201235707A (en) * 2011-12-14 2012-09-01 E Pin Optical Industry Co Ltd LED lens and light emitting device using the same
CN103807806B (en) * 2014-01-22 2016-01-20 宏力照明集团有限公司 The light distributing method of the COB module LED street lamp lens in 3,5 tracks can be irradiated to

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101852388A (en) * 2010-06-23 2010-10-06 深圳市九洲光电科技有限公司 Wide-angle light-distribution lens for LEDs and application thereof
CN202613315U (en) * 2012-05-30 2012-12-19 深圳市汉鼎能源科技有限公司 Light distribution lens of LED streetlamp
CN104344334A (en) * 2013-07-31 2015-02-11 鸿富锦精密工业(深圳)有限公司 Lens and light source module using same
CN104456415A (en) * 2013-09-23 2015-03-25 鸿富锦精密工业(深圳)有限公司 Lens and light source module with same
CN104566203A (en) * 2013-10-12 2015-04-29 鸿富锦精密工业(深圳)有限公司 Lens and light source module using lens
CN104595790A (en) * 2013-10-30 2015-05-06 鸿富锦精密工业(深圳)有限公司 Light source module
JP2017519328A (en) * 2014-06-19 2017-07-13 ▲蘇▼州▲東▼山精密制造股▲分▼有限公司Suzhou Dongshan Precision Manufacturing Co., Ltd. LED lens and LED light source provided with the LED lens
CN206291098U (en) * 2016-12-29 2017-06-30 苏州欧普照明有限公司 A kind of lens, light source module and lighting device
CN208253467U (en) * 2018-06-27 2018-12-18 苏州欧普照明有限公司 A kind of lens, light source module group and lamp box

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