CN210801026U - Blue light prevention lens - Google Patents
Blue light prevention lens Download PDFInfo
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- CN210801026U CN210801026U CN201921733836.7U CN201921733836U CN210801026U CN 210801026 U CN210801026 U CN 210801026U CN 201921733836 U CN201921733836 U CN 201921733836U CN 210801026 U CN210801026 U CN 210801026U
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Abstract
The utility model provides a blue light prevention lens, which comprises a lens main body; the front surface of the lens main body comprises a plurality of connected regular hexagonal grooves; a plurality of concentric annular bulges are arranged in the regular hexagonal groove; the blue light-proof lens body contains a blue light-blocking diffusant. The structure of the surface of the lens can enable the light source to form a plurality of uniform light spots so as to scatter blue light and achieve the purpose of reducing the intensity of the blue light; block that blue light diffusant can effectually separate the shelves with the blue light, reduce the light intensity that the blue light sees through after the lens refraction, further improve and prevent the effect of blue light.
Description
Technical Field
The utility model relates to the field of lighting technology, especially, relate to a prevent blue light lens.
Background
Nowadays, LED lamps are more and more popular, and are widely used due to the advantages of high electric energy conversion rate, less heat release and the like, but with the continuous improvement of LED lighting effect, the brightness of the LED lamps is also continuously improved, the power is increased from milliwatt level to dozens of watt level, and the photobiological safety brought by the LED lamps is more and more valued by people. The light emitted by these products, especially LED lamps and display screens, contains a large amount of high-energy short-wave blue light. It has been found that irradiation with blue light can cause damage to retinal cells, resulting in decreased or even lost vision. The optomedical community has demonstrated over the last several decades that blue light pollution has a serious impact on human vision. Thus, effective avoidance of excessive blue light radiation is critical to preserving vision.
The existing blue light prevention measures adopt the atomization treatment of the surface of the lampshade, and the light source is shielded, so that the human eyes can not see light spots, and the effects of anti-dazzle and blue light prevention are achieved. However, this method will lose a part of the light intensity, resulting in energy waste.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the blue light prevention lens is provided, light spots are uniformly dispersed, and the blue light prevention effect is achieved.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a blue-blocking lens comprising a lens body;
the front surface of the lens main body comprises a plurality of connected regular hexagonal grooves;
a plurality of concentric annular bulges are arranged in the regular hexagonal groove;
the blue light-proof lens body contains a blue light-blocking diffusant.
Furthermore, the device also comprises a triangular prism;
the triangular prism body is arranged on the back of the lens main body;
the side surface of the triangular prism body is a scaly armor surface.
Furthermore, the middle part of the triangular prism body is provided with a notch for sleeving the LED lamp bead;
the included angle of two side edges of the notch is a preset angle.
Further, the triangular prism body and the lens main body are integrally formed.
Further, the lens main body is strip-shaped.
Furthermore, the two ends of the lens main body along the length direction are provided with convex ribs for mounting the blue light prevention lens.
Furthermore, a recess with a preset depth is arranged on the position, close to one end, on the front surface of the lens main body.
Further, the center of the annular bulge is concentric with the center of the regular hexagonal groove;
the distances between the annular protrusions are equal.
The beneficial effects of the utility model reside in that: the lens surface of the anti-blue-light lens comprises a plurality of closely connected regular hexagonal grooves; a plurality of concentric annular bulges are arranged in the regular hexagonal groove; the structure of the surface of the lens can enable the light source to form a plurality of uniform light spots so as to scatter blue light and achieve the purpose of reducing the intensity of the blue light; block that blue light diffusant can effectually separate the shelves with the blue light, reduce the light intensity that the blue light sees through after the lens refraction, further improve and prevent the effect of blue light.
Drawings
Fig. 1 is a front view of a blue light prevention lens according to an embodiment of the present invention;
fig. 2 is a back view of a blue light prevention lens according to an embodiment of the present invention;
fig. 3 is a side view of a blue light prevention lens according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a blue light prevention lens according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion B of FIG. 1;
description of reference numerals:
1. a lens body; 2. a regular hexagonal groove; 3. an annular projection; 4. a scaly nail surface; 5. cutting;
6. and (7) a rib.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, a blue light prevention lens includes a lens body;
the front surface of the lens main body comprises a plurality of connected regular hexagonal grooves;
a plurality of concentric annular bulges are arranged in the regular hexagonal groove;
the blue light-proof lens body contains a blue light-blocking diffusant.
From the above description, the beneficial effects of the present invention are: the lens surface of the anti-blue-light lens comprises a plurality of closely connected regular hexagonal grooves; a plurality of concentric annular bulges are arranged in the regular hexagonal groove; the structure of the surface of the lens can enable the light source to form a plurality of uniform light spots so as to scatter blue light and achieve the purpose of reducing the intensity of the blue light; block that blue light diffusant can effectually separate the shelves with the blue light, reduce the light intensity that the blue light sees through after the lens refraction, further improve and prevent the effect of blue light.
Furthermore, the device also comprises a triangular prism;
the triangular prism body is arranged on the back of the lens main body;
the side surface of the triangular prism body is a scaly armor surface.
According to the description, the wave surface of the LED light source is divided into hundreds of images through the design of the squama structure, so that the light-emitting area perceived by human eyes is greatly improved, and the glare is reduced.
Furthermore, the middle part of the triangular prism body is provided with a notch for sleeving the LED lamp bead;
the included angle of two side edges of the notch is a preset angle.
As can be seen from the above description, the LED lamp beads are installed through the notches designed and adapted, so that the light intensity loss caused by light entering different media can be reduced.
Further, the triangular prism body and the lens main body are integrally formed.
As can be seen from the above description, the integral molding process can avoid the problem of the transparency of the lens being reduced due to the adhesion.
Further, the lens main body is strip-shaped.
Furthermore, the two ends of the lens main body along the length direction are provided with convex ribs for mounting the blue light prevention lens.
As can be seen from the above description, the rib acts to quickly mount the lens in the desired position in the channel.
Furthermore, a recess with a preset depth is arranged on the position, close to one end, on the front surface of the lens main body.
As can be seen from the above description, the position of the recess can change the refraction path of light, and can supplement the light to be scattered more uniformly, so as to reduce the harm of blue light.
Further, the center of the annular bulge is concentric with the center of the regular hexagonal groove;
the distances between the annular protrusions are equal.
According to the description, the annular bulges with equal intervals can effectively form a plurality of uniform light spots from the light source, so that the light emitting area perceived by human eyes is greatly increased, and the glare is reduced.
Referring to fig. 1 to 5, a first embodiment of the present invention is:
a blue light prevention lens includes a lens body 1;
the front surface of the lens main body 1 comprises a plurality of connected regular hexagonal grooves 2;
a plurality of concentric annular bulges 3 are arranged in the regular hexagonal groove 2;
the blue light-proof lens body contains a blue light-blocking diffusant.
Specifically, the blue light blocking diffusing agent is resin beads containing metal complex dyes, can be one of polyacrylate containing the metal complex dyes, polymethyl methacrylate containing the metal complex dyes, polystyrene containing the metal complex dyes or polysiloxane containing the metal complex dyes, and has an average particle size of 1-40 micrometers.
Referring to fig. 3 and 4, in particular, the present invention further includes a triangular prism;
the triangular prism is arranged on the back of the lens body 1;
the side surface of the triangular prism is a scale surface 4.
Specifically, an appropriate light distribution mode is determined according to the application environment of the optical structure, and the lens with the optical surface being the scaly nail is designed according to the specified lens size, light-emitting angle, illumination intensity and uniformity by using optical simulation software. Through the design of the squama structure 6, the wave surface of the LED light source 1 is divided into hundreds of images, so that the luminous area perceived by human eyes is greatly increased, and glare is reduced. The scale can take various forms, and quadrangle and hexagon are allowed. The medium between the light source 1 and the lens 3 is designed as a silicone gel with a refractive index of 1.56. The lens material is PMMA or PC, and the design result is shown in FIG. 1. And analyzing a unified glare value (UGR) of a lamp formed by the optical structure in an actual application environment by adopting illumination calculation software, changing the size, the fluctuation height and the shape of the squama (6), and checking whether a design result meets the requirements of GB50034-2013 'architectural illumination design standard'. And manufacturing the lens according to the design result. And carrying out comparative analysis on the manufactured lens and the design target and carrying out appropriate correction to ensure that the actual effect is consistent with the preset target.
Referring to fig. 3 and 4, specifically, a cut 5 for sleeving an LED lamp bead is formed in the middle of the triangular prism;
the included angle of the two side edges of the notch 5 is a preset angle.
Specifically, the included angle between the two side edges is 5 degrees.
Referring to fig. 3 and 4, in particular, the triangular prism is integrally formed with the lens body 1.
Specifically, the scaly nail surface is processed by texture, and the front surface of the lens is processed by a mirror surface spark machine.
Referring to fig. 1 and 2, in particular, the lens body 1 is strip-shaped.
Referring to fig. 3 and 4, specifically, two ends of the lens body 1 along the length direction are provided with protruding ribs 6 for mounting the blue light prevention lens.
Referring to fig. 3 and 4, specifically, a recess with a predetermined depth is formed on the front surface of the lens body 1 near one end.
Referring to fig. 5, specifically, the center of the annular protrusion 3 is concentric with the center of the regular hexagonal groove 2;
the distances between the annular bulges are equal;
the number of the annular protrusions can be set according to needs, and is preferably 3.
In summary, the lens surface of the blue light prevention lens provided by the present invention includes a plurality of six-sided grooves closely connected to each other; a plurality of concentric annular bulges are arranged in the regular hexagonal groove; the structure of the surface of the lens can enable the light source to form a plurality of uniform light spots so as to scatter blue light and achieve the purpose of reducing the intensity of the blue light; block that blue light diffusant can effectually separate the shelves with the blue light, reduce the light intensity that the blue light sees through after the lens refraction, further improve and prevent the effect of blue light. The back of the lens main body is provided with a triangular prism body, two surfaces of the triangular prism body are scaly nails, and through the design of a scaly nail structure, the wave surface of the LED light source is divided into hundreds of images, so that the light-emitting area perceived by human eyes is greatly improved, and glare is reduced.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (8)
1. A blue-blocking lens, comprising a lens body;
the front surface of the lens main body comprises a plurality of connected regular hexagonal grooves;
a plurality of concentric annular bulges are arranged in the regular hexagonal groove;
the blue light-proof lens body contains a blue light-blocking diffusant.
2. The blue-light preventing lens according to claim 1, further comprising a triangular prism;
the triangular prism body is arranged on the back of the lens main body;
the side surface of the triangular prism body is a scaly armor surface.
3. The blue light prevention lens as claimed in claim 2, wherein a notch for sleeving the LED lamp bead is formed in the middle of the triangular prism;
the included angle of two side edges of the notch is a preset angle.
4. The blue-light preventing lens as claimed in claim 2, wherein the triangular prism body is integrally formed with the lens body.
5. The blue-light preventing lens as claimed in claim 4, wherein the lens body is strip-shaped.
6. The blue-light preventing lens as claimed in claim 4, wherein the lens body has ribs at both ends in the length direction for mounting the blue-light preventing lens.
7. The blue-light preventing lens as claimed in claim 5, wherein the lens body has a recess with a predetermined depth on the front surface thereof near one end.
8. The blue-light preventing lens as claimed in claim 1, wherein the center of the annular protrusion is concentric with the center of the regular hexagonal groove;
the distances between the annular protrusions are equal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921733836.7U CN210801026U (en) | 2019-10-16 | 2019-10-16 | Blue light prevention lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921733836.7U CN210801026U (en) | 2019-10-16 | 2019-10-16 | Blue light prevention lens |
Publications (1)
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CN210801026U true CN210801026U (en) | 2020-06-19 |
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CN201921733836.7U Active CN210801026U (en) | 2019-10-16 | 2019-10-16 | Blue light prevention lens |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220009345A (en) * | 2020-07-14 | 2022-01-24 | 플러스웰주식회사 | LED lighting apparatus having function of blocking out blue light |
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2019
- 2019-10-16 CN CN201921733836.7U patent/CN210801026U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220009345A (en) * | 2020-07-14 | 2022-01-24 | 플러스웰주식회사 | LED lighting apparatus having function of blocking out blue light |
KR102546729B1 (en) * | 2020-07-14 | 2023-06-26 | 플러스웰주식회사 | LED lighting apparatus having function of blocking out blue light |
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