CN216556606U - Prevent blue light lamps and lanterns suitable for side income formula light source - Google Patents
Prevent blue light lamps and lanterns suitable for side income formula light source Download PDFInfo
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- CN216556606U CN216556606U CN202122778830.5U CN202122778830U CN216556606U CN 216556606 U CN216556606 U CN 216556606U CN 202122778830 U CN202122778830 U CN 202122778830U CN 216556606 U CN216556606 U CN 216556606U
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Abstract
The utility model discloses a blue light prevention lamp suitable for a lateral light source, which comprises a lamp holder, an LED light source, a blue light prevention assembly and a light guide plate, wherein the lamp holder is provided with a base and a side wall, the side wall is arranged on the periphery of the base, the LED light source is arranged on the inner side of the side wall, a clamping groove is formed in the base, the blue light prevention assembly is fixed on the clamping groove and is positioned in front of the light emitting direction of the LED light source, the blue light prevention assembly is sequentially provided with a blue light prevention material layer, an adhesive layer and a light transmission plate from inside to outside along the light emitting direction, the blue light prevention material layer is compounded on the inner side of the light transmission layer through the adhesive layer, and the light guide plate is arranged on the lamp holder and is positioned in front of the blue light prevention assembly. According to the utility model, the blue light prevention assembly is arranged between the light source and the light guide plate, and the emergent light reaches the light guide plate after being filtered by the blue light prevention assembly, so that harmful blue light is effectively prevented from entering eyes, and the effect of protecting the eyes is realized.
Description
Technical Field
The utility model relates to the technical field of lamps, in particular to a blue light prevention lamp suitable for a side-entry light source.
Background
With the development of science and technology, electronic devices such as mobile phones, tablets, computers, transparent windows and the like are more and more deeply inserted into the lives of people and become necessities of daily life and work, and meanwhile, light radiation generated by the electronic devices is more and more harmful to people and becomes a main induction factor of eye diseases.
As is known, in visible light, blue light is high-energy short-wave light with high penetrating power, and blue light with a wavelength range of 400nm to 450nm can easily penetrate through the crystalline lens of an eye to reach the retina, so that the whole eye is damaged by photochemical properties, and the oxidation process of the macular area of the eye can be rapidly accelerated to cause great damage to the eye.
In view of the above, the present invention provides a structure capable of effectively blocking harmful blue light, which is developed and designed by specially researching the structure of a side-entry lamp.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a blue light prevention lamp suitable for a side-entry light source, so as to effectively prevent harmful blue light from entering eyes and achieve the purpose of protecting the eyes.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a prevent blue light lamps and lanterns suitable for side income formula light source, includes lamp stand, LED light source, prevents blue light subassembly and light guide plate, the lamp stand has base and lateral wall, and around the base was located to the lateral wall, the LED light source was installed to the lateral wall inboard, and the base is formed with the draw-in groove, prevent that the blue light subassembly is fixed in on the draw-in groove, prevent that the blue light subassembly is located the place ahead of the luminous direction of LED light source, prevent that the blue light subassembly has along the luminous direction from inside to outside according to the preface prevent blue light material layer, adhesive layer and light-passing board, prevent that the blue light material layer passes through the inboard of adhesive layer complex at the euphotic layer, the light guide plate is located on the lamp stand, be located the place ahead of preventing the blue light subassembly.
Further, the blue light absorption wavelength of the blue light prevention material layer is 400nm-455 nm; the blue-blocking material layer has a transmittance of less than 75%.
Optionally, the blue-light-proof material layer is a dye layer or a rare earth layer which absorbs blue light, and the dye layer can be formed by coating a product which is produced by Nicotiana Jialong nanometer industry limited company and has a model number of LV-06; the thin soil layer can be coated by a product with the model of B-30, which is produced by Jiangxi Luote chemical Co.
Optionally, the blue light prevention material layer is a nanoparticle or a polarization filter grating made of titanium oxide, zirconium oxide, aluminum, silver or titanium.
Further, the thickness of the nanoparticles is 100nm-100 μm.
Furthermore, the width of the grid bars of the polarization filter grating is 50-150nm, the height of the grid bars is 50-200nm, the distance between the grid bars is 100-200nm, and the period is 200-400 nm.
Optionally, the blue light-proof material layer is formed by alternately overlapping a plurality of layers of high-refractive-index films and low-refractive-index films, and the high-refractive-index film is ZrO2、Ti3O5Or Ta2O5The film layer with low refractive index is SiO2Silicon-aluminum mixture or MgF2A film layer formed by any one of the above.
Furthermore, the material of light-transmitting board is PC, PMMA, PET or glass, and the thickness of light-transmitting board is below 2 cm.
Further, the adhesive layer is acrylic adhesive, UV adhesive, epoxy adhesive, silica gel, high-transparency optical adhesive with or without a base material, and the thickness of the adhesive layer is 1-100 μm.
Furthermore, an anti-reflection coating is compounded on the outer side of the light-transmitting plate, and the anti-reflection coating is made of two or more of magnesium fluoride, cerium fluoride, silicon dioxide and aluminum oxide.
By adopting the scheme, the blue light prevention assembly is arranged between the light source and the light guide plate, the blue light prevention assembly filters the emitted light through the blue light prevention assembly and then reaches the light guide plate, the light is scattered through the light guide plate, the effect of effectively preventing harmful blue light from entering eyes and protecting the eyes is achieved, the manufacturing cost of the mechanism is low, the technical process is simple, and the mechanism is suitable for large-scale production.
The utility model is further described in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of a lateral light source according to the present invention;
FIG. 2 is a schematic view of the combination of the LED light source, the blue light prevention assembly and the light guide plate according to the present invention;
FIG. 3 is an exploded view of the LED light source, blue light prevention assembly of the present invention;
FIG. 4 is a graph of spectral transmittance measurements according to a second embodiment of the present invention.
Description of reference numerals:
the lamp holder 1, the base 11, the side wall 12 and the clamping groove 13;
an LED light source 2;
the blue light prevention component 3, the blue light prevention material layer 31, the adhesive layer 32, the light transmission plate 33 and the anti-reflection coating 34;
and a light guide plate 4.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Further, the components in the figures are not drawn to scale, and like reference numerals are generally used to refer to like components.
As shown in fig. 1 to 3, the utility model discloses a blue light prevention lamp suitable for a side-entry light source, which comprises a lamp holder 1, an LED light source 2, a blue light prevention assembly 3 and a light guide plate 4, wherein the lamp holder 1 is provided with a base 11 and a side wall 12, the side wall 12 is arranged around the base 11, the LED light source 2 is arranged on the inner side of the side wall 12, a clamping groove 13 is formed on the base 11, and the distance between the clamping groove 13 and the LED light source 2 can be adjusted according to actual requirements; the blue light prevention component 3 is fixed on the card slot 13, the blue light prevention component 3 is positioned in front of the light emitting direction of the LED light source 2, the blue light prevention component 3 is sequentially provided with a blue light prevention material layer 31, an adhesive layer 32 and a light transmission plate 33 from inside to outside along the light emitting direction, the blue light prevention material layer 31 is compounded on the inner side of the light transmission plate 33 through the adhesive layer 32, and the blue light absorption wavelength of the blue light prevention material layer 31 is 400nm-455 nm; the transmissivity of the blue light prevention material layer 31 is less than 75%, and the light guide plate 4 is arranged on the lamp holder and positioned in front of the blue light prevention component 3. Thus, the blue light prevention component 3 is arranged between the LED light source 2 and the light guide plate 4, for example, the blue light prevention material layer 31 is a dye layer or a rare earth layer to absorb blue light below 460 nm; or the blue light prevention material layer 31 is formed by overlapping a plurality of high refractive index films and low refractive index films in a staggered manner, and has the wavelength less than 450nm of high reflectivity and the wavelength more than 450nm of high transmissivity; or the blue light prevention material layer 31 is nanoparticles or polarized filter gratings made of titanium oxide, zirconium oxide, aluminum, silver or titanium to filter wavelengths below 460nm, and the blue light prevention material layer 31 absorbs, reflects or filters blue light, so that harmful blue light is effectively prevented from entering eyes, and the purpose of protecting eyes is achieved; the utility model has low manufacturing cost and simple technical process and is suitable for large-scale production.
Specifically, in order not to affect the illuminance and the intensity of the direct-emitting lamp, in this embodiment, the material of the light-transmitting plate 33 is any one of materials transparent to visible light, such as PC, PMMA, PET, or glass, where PC is polycarbonate, PMMA is polymethyl methacrylate, and PET is polyethylene terephthalate; the thickness of the light-transmitting plate 33 is less than 2cm, so the light-transmitting plate 33 has good light transmission, most of blue light is absorbed by the blue light-proof material layer 3 and then converted into long-wavelength light which is friendly to human eyes, and the light-transmitting plate 33 has high transparency, so that the light flux or light intensity of the lamp cannot be obviously reduced while the blue light is attenuated. In order to improve the transmittance of the light-transmitting plate 33 and reduce reflection, an anti-reflection coating 34 is compounded on the outer side of the light-transmitting plate 33, specifically, the anti-reflection of a plurality of layers of media can be performed by evaporation on the outer side of the light-transmitting plate 33, or the anti-reflection coating 34 with a low refractive index is spin-coated on the outer side of the light-transmitting plate 33, and the anti-reflection coating 34 can be made of two or more of magnesium fluoride, cerium fluoride, silicon dioxide and aluminum oxide; there are various ways to compound the light-transmitting plate 33 and the anti-reflection coating 34, which are not illustrated herein.
Specifically, in order to firmly adhere the blue-light-proof material layer 31 to the light-transmitting plate 33, the material of the adhesive layer 32 is any one of acrylic adhesive, UV adhesive, epoxy adhesive, silica gel, substrate-containing or substrate-free high-transmittance optical adhesive, and the thickness of the adhesive layer 32 is 1-100 μm, and the adhesive layer 32 made of the above materials has good air permeability and improves the use effect. The adhesive layer 32 can be directly attached to the light-transmitting plate 33 by spin coating, evaporation coating, ultraviolet imprinting or hot imprinting, and the method for combining the adhesive layer 32 and the light-transmitting plate 33 is not limited herein.
In the first embodiment, the blue-light preventing material layer 31 is a dye layer or a rare earth layer capable of absorbing blue light, in this embodiment, the blue-light preventing material layer 31 can absorb blue light with a wavelength of less than 460nm, and the dye layer can be formed by coating a product of model LV-06, which is produced by the cigarette tai jialong nano industry limited; the thin soil layer can be coated by a product with the model of B-30, which is produced by Jiangxi Luote chemical Co. After light emitted by the LED light source is emitted, the blue light with the wavelength of below 460nm is absorbed by the blue light prevention material layer 31, and is converted into long-wavelength light which is friendly to human eyes and is emitted through the light guide plate 4, and the illumination and the brightness of the direct-emitting lamp are not influenced.
In the second embodiment, the blue light prevention material layer 31 is a nanoparticle or a polarization filter grating made of titanium oxide, zirconium oxide, aluminum, silver or titanium, and the blue light prevention material layer 31 can filter blue light with a wavelength below 460 nm. In this embodiment, by using the property of the nanoparticles that absorb blue light, the nanoparticles with a certain thickness are laid on the light-transmitting plate 33, the thickness of the nanoparticles is 100nm-100 μm, and the blue light can be filtered by the nanoparticles laid in this range; in this embodiment, the polarization grating is used to periodically affect the local polarization state of the light transmitted through the polarization grating, and the nano-scale polarization filter grating is disposed on the transparent plate 33, specifically, the width of the grating bars of the polarization filter grating is 50-150nm, the height of the grating bars is 50-200nm, the distance between the grating bars is 100-200nm, and the period of the nano-wire grating is 200-400 nm.
The spectral transmittance of the blue light-proof material layer 31 adopting the polarization filter grating is tested, the following table is a test report of the blue light-proof material layer 31 from a measurement and detection test institute in Xiamen city, the technical basis of the detection is GB/T38120-2019, the name is 'technical requirements for light health and light safety application of a blue light protective film', fig. 4 is a spectral transmittance test chart corresponding to the following table, and as can be known from the following table and fig. 4, the transmittance of the blue light-proof material layer 31 adopting the polarization filter grating to blue light with the wavelength of 400-.
| Wavelength (nm) | Transmittance (%) | Wavelength (nm) | Transmittance (%) | Wavelength (nm) | Transmittance (%) |
| 380 | 69.88 | 520 | 84.09 | 660 | 83.35 |
| 390 | 70.02 | 530 | 83.98 | 670 | 83.43 |
| 400 | 69.91 | 540 | 83.91 | 680 | 83.37 |
| 410 | 61.34 | 550 | 83.79 | 690 | 83.37 |
| 420 | 68.17 | 560 | 83.58 | 700 | 83.53 |
| 430 | 64.09 | 570 | 83.42 | 710 | 83.67 |
| 440 | 65.34 | 580 | 83.32 | 720 | 83.68 |
| 450 | 73.20 | 590 | 83.33 | 730 | 83.68 |
| 460 | 75.67 | 600 | 83.35 | 740 | 83.80 |
| 470 | 83.00 | 610 | 83.31 | 750 | 83.95 |
| 480 | 85.54 | 620 | 83.38 | 760 | 83.95 |
| 490 | 85.39 | 630 | 83.44 | 770 | 83.89 |
| 500 | 84.91 | 640 | 83.33 | 780 | 83.91 |
| 510 | 84.39 | 650 | 83.24 | / | / |
In the third embodiment, the blue light-proof material layer 31 is formed by alternately stacking a plurality of high refractive index films and low refractive index films, the blue light-proof material layer 31 can reflect the wavelength below 450nm and transmit the wavelength above 450nm, and the high refractive index film is ZrO2、Ti3O5Or Ta2O5The film layer with low refractive index is SiO2Silicon-aluminum mixture or MgF2Any one ofThe film layer formed by the method can effectively filter most blue light through the alternate superposition of the high refractive index film and the low refractive index film, and can effectively reflect harmful light, so that the damage of high-energy blue light to human eyes is reduced, the color deviation caused by attenuation of a blue light area is compensated, the color balance transmission effect is ensured, meanwhile, the light of the residual wave band can almost efficiently pass through, and the color and the information of the rest wave bands are ensured.
The utility model is suitable for various side-in light sources, the blue light prevention component 3 is arranged between the LED light source 2 and the light guide plate 4, the blue light prevention component 3 is fixed in the clamping groove 13 formed at the bottom of the lamp holder 1, the blue light prevention component 3 is a blue light prevention material layer 31 fixed on a light transmission plate 33 through an adhesive layer 32, wherein the blue light prevention material layer 31 can absorb blue light, reflect blue light or filter blue light; the light that diverges LED light source 2 earlier is filtered through preventing blue light subassembly 3 and then is diverged out through light guide plate 4 to effective separation harmful blue light gets into eyes, reaches the purpose of protection eyes.
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing on the protection scope of the present invention.
Claims (10)
1. The utility model provides a prevent blue light lamps and lanterns suitable for side income formula light source which characterized in that: including lamp stand, LED light source, prevent blue light subassembly and light guide plate, the lamp stand has base and lateral wall, and the base is located all around to the lateral wall, and the LED light source is installed to the lateral wall inboard, and the base is formed with the draw-in groove, prevents that the blue light subassembly is fixed in on the draw-in groove, prevents that the blue light subassembly is located the place ahead of the luminous direction of LED light source, prevents that the blue light subassembly has along the luminous direction from inside to outside according to the preface and prevents blue light material layer, adhesive layer and light-passing board, prevent that the blue light material layer passes through the adhesive layer complex in the inboard of euphotic layer, the light guide plate is located on the lamp stand, is located the place ahead of preventing the blue light subassembly.
2. The anti-blue light fixture for a side-entry light source of claim 1, wherein: the blue light absorption wavelength of the blue light prevention material layer is 400nm-455 nm; the blue-blocking material layer has a transmittance of less than 75%.
3. The anti-blue light fixture for a side-entry light source of claim 2, wherein: the blue light prevention material layer is a dye layer or a rare earth layer for absorbing blue light.
4. The anti-blue light fixture for a side-entry light source of claim 2, wherein: the blue light prevention material layer is nanoparticles or polarization filter gratings composed of titanium oxide, zirconium oxide, aluminum, silver or titanium.
5. The blue-light preventing lamp suitable for the lateral entrance light source as claimed in claim 4, wherein the thickness of the nanoparticles is 100nm-100 μm.
6. The anti-blue light fixture for lateral entry light sources of claim 4, wherein: the width of the grid bars of the polarization filter grating is 50-150nm, the height of the grid bars is 50-200nm, the distance between the grid bars is 100-200nm, and the period is 200-400 nm.
7. The anti-blue light fixture for a side-entry light source of claim 2, wherein: the blue light prevention material layer is formed by overlapping a plurality of layers of high-refractive-index films and low-refractive-index films in a staggered mode.
8. The anti-blue light fixture for a side-entry light source of claim 1, wherein: the light transmission plate is made of PC, PMMA, PET or glass, and the thickness of the light transmission plate is less than 2 cm.
9. The anti-blue light fixture for a side-entry light source of claim 1, wherein: the adhesive layer is acrylic adhesive, UV adhesive, epoxy adhesive, silica gel, and high-transmittance optical adhesive with or without base material, and the thickness of the adhesive layer is 1-100 μm.
10. The anti-blue light fixture for a side-entry light source of claim 1, wherein: the outer side of the light-transmitting plate is compounded with an anti-reflection coating, and the anti-reflection coating is made of two or more of magnesium fluoride, cerium fluoride, silicon dioxide and aluminum oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122778830.5U CN216556606U (en) | 2021-11-12 | 2021-11-12 | Prevent blue light lamps and lanterns suitable for side income formula light source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122778830.5U CN216556606U (en) | 2021-11-12 | 2021-11-12 | Prevent blue light lamps and lanterns suitable for side income formula light source |
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| Publication Number | Publication Date |
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| CN216556606U true CN216556606U (en) | 2022-05-17 |
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| CN202122778830.5U Active CN216556606U (en) | 2021-11-12 | 2021-11-12 | Prevent blue light lamps and lanterns suitable for side income formula light source |
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