CN216556605U - Direct-emitting blue-light-proof lamp - Google Patents
Direct-emitting blue-light-proof lamp Download PDFInfo
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- CN216556605U CN216556605U CN202122778534.5U CN202122778534U CN216556605U CN 216556605 U CN216556605 U CN 216556605U CN 202122778534 U CN202122778534 U CN 202122778534U CN 216556605 U CN216556605 U CN 216556605U
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Abstract
The utility model discloses a direct-injection type blue-light-proof lamp which comprises an LED light source, a lamp holder and a blue-light-proof assembly, wherein a lamp groove is formed in the lamp holder, the LED light source is arranged at the bottom of the lamp groove, a clamping groove is formed in the side wall of the lamp groove in the light emitting direction of the LED light source, the blue-light-proof assembly is arranged on the clamping groove, the blue-light-proof assembly is sequentially provided with a blue-light-proof material layer, an adhesive layer and a light-transmitting plate from inside to outside along the light emitting direction, and the blue-light-proof material layer is compounded on the inner side of the light-transmitting plate through the adhesive layer. The utility model ensures that harmful blue light is effectively prevented from entering eyes, realizes the purpose of protecting the eyes, does not influence illumination intensity, color temperature and brightness, has low manufacturing cost and simple technical process, and is suitable for large-scale production.
Description
Technical Field
The utility model relates to the technical field of lamps, in particular to a direct-emitting blue-proof lamp.
Background
The LED lighting source has the advantages of energy conservation, environmental protection, durability and the like, and the white light source of the LED mainly uses blue light LED with the wavelength of about 460 nanometers to excite yellow light generated after yellow YAG fluorescent powder coated on the blue light LED is complementary with the originally excited blue light to generate white light. But LED light sources produce a large amount of blue light during the lighting process. According to medical research, the blue light has a harmful effect on human eyes, and after the human eyes are irradiated by the blue-violet light with the wavelength of less than 460 nanometers for a long time, the retinas can generate free radicals, so that retinal pigment epithelial cells die down, photosensitive cells are damaged, the damage is irreversible, and macular degeneration is finally caused.
In view of this, the present inventors have developed and designed a direct blue-light-proof lamp that can absorb, filter, or reflect harmful blue light, effectively block the harmful blue light from entering the eyes, thereby protecting the eyes, and have developed a direct blue-light-proof lamp specially designed for the structure of a direct light (for example, a blackboard lamp used in a classroom).
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a direct-emitting blue-proof light lamp which can effectively prevent harmful blue light from entering eyes.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a blue light lamp is prevented to direct injection formula, includes LED light source, lamp stand and prevents the blue light subassembly, be equipped with the light trough on the lamp stand, the light trough bottom is located to the LED light source, and the lateral wall of light trough is equipped with the draw-in groove in the luminous orientation of LED light source, is equipped with on the draw-in groove and prevents the blue light subassembly, prevents that the blue light subassembly has according to the preface along luminous orientation from inside to outside and prevents blue light material layer, adhesive layer and light-passing board, prevents that the blue light material layer passes through the adhesive layer complex in the light-passing board inboard.
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 nano-particles 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.
After the scheme is adopted, the blue light prevention material layer is arranged in the light emitting direction of the LED light source of the direct lighting lamp, for example, the blue light prevention material layer is a dye layer or a rare earth layer to absorb blue light below 460 nm; or the blue light prevention material layer is formed by alternately overlapping a plurality of layers of high-refractive index films and low-refractive index films, and has the wavelength less than 450nm of high reflection and the wavelength more than 450nm of high transmission; or the blue light prevention material layer is nano particles or polarization filter gratings consisting of titanium oxide, zirconium oxide, aluminum, silver or titanium to filter the wavelength below 460nm, and harmful blue light is absorbed or reflected or filtered through the blue light prevention material layer. The utility model has the following advantages: firstly, harmful blue light is effectively prevented from entering eyes, and the purpose of protecting the eyes is achieved; secondly, the blue light prevention material layer does not influence the illumination of the direct-emitting lamp and does not influence the color temperature and the brightness; finally, the utility model has low manufacturing cost and simple technical process and is suitable for large-scale production. The utility model is described in further detail below with reference to the figures and the specific embodiments.
Drawings
FIG. 1 is a schematic view of a direct lighting lamp according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a graph of spectral transmittance measurements according to a second embodiment of the present invention.
Description of reference numerals:
the LED lamp comprises an LED light source 1, a lamp holder 2, a blue light prevention component 3, a blue light prevention material layer 31, an adhesive layer 32, a light transmission plate 33, an anti-reflection coating 34, a lamp groove 4 and a clamping groove 5.
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 direct-emitting blue-proof lamp disclosed by the present invention comprises an LED light source 1, a lamp holder 2 and a blue-proof component 3, wherein a lamp groove 4 is arranged on the lamp holder 2, the LED light source 1 is arranged at the bottom of the lamp groove 4, a clamping groove 5 is arranged on the side wall of the lamp groove 4 in the light emitting direction of the LED light source 1, wherein the distance between the clamping groove 5 and the LED light source 1 can be adjusted according to actual requirements, the blue-proof component 3 is arranged on the clamping groove 5, the blue-proof component 3 sequentially comprises a blue-proof material layer 31, an adhesive layer 32 and a light-transmitting plate 33 from inside to outside along the light emitting direction, the blue-proof material layer 31 is compounded on the inner side of the light-transmitting plate 33 through the adhesive layer 32, and the blue light absorption wavelength of the blue-proof material layer 31 is 400nm to 455 nm; the light transmittance of the blue-light-proof material layer 31 is less than 75%; therefore, the blue light prevention material layer 31 is arranged in the LED light emitting direction, so that harmful blue light is effectively prevented from entering eyes, the purpose of protecting the eyes is achieved, the illumination, the color temperature and the brightness are not affected, the manufacturing cost is low, the technical process is simple, and the LED light source 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 transparent plate 33 is less than 2cm, because the transparent plate 33 has good light transmission, most of the blue light is absorbed by the blue light-proof material layer 31 and then converted into long-wavelength light which is friendly to human eyes, and the transparency of the selected transparent plate 33 is high, so that the luminous flux or the 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 layer 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 a low-refractive-index anti-reflection coating 34 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-proof material layer 31 is a dye layer or a rare earth layer which absorbs blue light, in this embodiment, the blue-light-proof 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 which is produced by cigarette tai jialong nano industry limited 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. After light emitted by the LED light source is emitted, the blue light with the wavelength of less than 460nm is absorbed by the blue light-proof material layer 31, and is converted into long-wavelength light which is friendly to human eyes, and the long-wavelength light is emitted through the light-transmitting plate 33 without influencing the illumination and the brightness of the direct-emitting lamp.
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 nanoscale 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 is 200-400nm, so that the harmful blue light in the incident light is converted into the waveguide mode of transverse guidance by the coupling mechanism of the polarization filter grating structure disposed in this range, and the harmful blue light can be effectively blocked from entering the eye.
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-.
| 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 MgF2The film layer formed by any one of the high refractive index films and the low refractive index films can effectively filter most of blue light and 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 permeation effect is ensured, meanwhile, light of the residual wave bands can almost efficiently pass through, and the colors and information of the rest wave bands are ensured.
The utility model is suitable for various direct-emitting lamps, such as blackboard lamps used in classrooms, a clamping groove 5 is formed in the side wall of a lamp groove 4, the clamping groove 5 is positioned in front of the light emitting direction of an LED light source 1, a blue light preventing component 3 is arranged in the clamping groove 5, the blue light preventing component 3 is a blue light preventing material layer 31 which is fixed on a light-transmitting plate 33 through an adhesive layer 32, wherein the blue light preventing material layer 31 can absorb blue light, reflect the blue light or filter the blue light so as to effectively prevent harmful blue light from entering eyes and achieve the purpose of protecting the 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. A direct-emitting blue-proof lamp is characterized in that: including LED light source, lamp stand and prevent blue light subassembly, be equipped with the light trough on the lamp stand, the light trough bottom is located to the LED light source, and the lateral wall of light trough is equipped with the draw-in groove in the luminous direction of LED light source, is equipped with on the draw-in groove and prevents blue light subassembly, prevents that blue light subassembly has according to the preface along luminous direction from inside to outside and prevents blue light material layer, adhesive layer and light-passing board, prevents that blue light material layer passes through the adhesive layer complex inboard at the light-passing board.
2. The direct blue-proof light of claim 1, characterized in that: 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 direct blue-proof light of claim 2, characterized in that: the blue light prevention material layer is a dye layer or a rare earth layer for absorbing blue light.
4. The direct blue-proof light of claim 2, characterized in that: the blue light prevention material layer is nanoparticles or polarization filter gratings composed of titanium oxide, zirconium oxide, aluminum, silver or titanium.
5. The direct blue-light-proof lamp according to claim 4, wherein the nanoparticles have a thickness of 100nm to 100 μm.
6. The direct blue-resistant lamp according to claim 4, characterized in that: 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 direct blue-proof light of claim 2, characterized in that: 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 direct blue-proof light of claim 1, characterized in that: 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 direct blue-proof light of claim 1, characterized in that: 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 direct blue-proof light of claim 1, characterized in that: 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 |
|---|---|---|---|
| CN202122778534.5U CN216556605U (en) | 2021-11-12 | 2021-11-12 | Direct-emitting blue-light-proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122778534.5U CN216556605U (en) | 2021-11-12 | 2021-11-12 | Direct-emitting blue-light-proof lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216556605U true CN216556605U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122778534.5U Active CN216556605U (en) | 2021-11-12 | 2021-11-12 | Direct-emitting blue-light-proof lamp |
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| CN (1) | CN216556605U (en) |
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- 2021-11-12 CN CN202122778534.5U patent/CN216556605U/en active Active
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