CN213517632U - Antifog high definition camera lens coated lens - Google Patents

Abstract

The utility model belongs to the technical field of coated lens, especially, relate to an antifog high definition camera lens coated lens, including the glass substrate, its upper surface is equipped with from bottom to top in proper order: first low refracting index coating film layer, first high refracting index coating film layer, second low refracting index coating film layer, second high refracting index coating film layer, third low refracting index coating film layer, third high refracting index coating film layer, fourth low refracting index coating film layer, fourth high refracting index coating film layer, fifth low refracting index coating film layer and antifogging coating, antifogging coating includes antifogging coating, antifogging coating plays the plastic envelope effect, not only dustproof antifogging, and can make the lens surface smooth, prevent that the fingerprint from leaving the vestige at the lens, and simultaneously, the material of a plurality of high refracting indices and low refracting index material are in turn repeated and are plated the rete of different thickness on the lens surface, make the coating film layer alternate deposition of high low refracting index and different thickness, reduce reflectivity through multilayer coating film, improve the luminousness of lens, guarantee the clarity of lens.

Description

Antifog high definition camera lens coated lens

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the coated lens, especially, relate to an antifog high definition camera lens coated lens.

[ background of the invention ]

The existing lenses applied to the fields of automobile rearview mirrors, motion cameras, mobile phone camera lenses and the like generally use TI series materials, SI series materials and MGF₂The lens is made of a film structure made of materials, but when the lens is subjected to cold and hot temperature difference, fog is easy to appear on the lens, and the lens is blurred.

[ Utility model ] content

The utility model provides an antifog high definition camera lens coated film lens, aim at solve current camera lens waterproof performance poor, the fog appears easily on the lens, causes the fuzzy problem of camera lens.

The utility model discloses realized by following technical scheme:

the utility model provides an antifog high definition camera lens coated lens, includes glass substrate, glass substrate's upper surface is equipped with from bottom to top in proper order: first low refracting index coating film layer, first high refracting index coating film layer, second low refracting index coating film layer, second high refracting index coating film layer, third low refracting index coating film layer, third high refracting index coating film layer, fourth low refracting index coating film layer, fourth high refracting index coating film layer, fifth low refracting index coating film layer and antifog coating, the antifog coating includes antifog coating, antifog coating adopts fluoride membrane material.

According to the antifog high-definition lens coated with film, the thickness of the antifog film is 0.005-0.01 mm.

According to the antifog high-definition lens coated with the film, the antifog coating adopts a perfluorooctane sulfonate film material.

The antifogging high definition lens coated lens as described above, the antifogging layer further comprises an anti-wear film arranged below the antifogging coating film, and the anti-wear film adopts Si0₂The material, the thickness of membrane of resistance to wears is 3 ~ 5 mm.

As mentioned above, the first low refractive index coating layer, the second low refractive index coating layer, the third low refractive index coating layer, the fourth low refractive index coating layer and the fifth low refractive index coating layer are MGF₂And (7) coating a film layer.

According to the antifogging high-definition lens coated with the film, the thickness of the first low-refractive-index film coating layer is 32.73 nm; the thickness of the second low-refractive-index coating layer is 61.28 nm; the thickness of the third low-refractive-index coating layer is 33.73 nm; the thickness of the fourth low-refractive-index coating layer is 12.7 nm; the thickness of the fifth low-refractive-index coating layer is 109.46 nm.

As the anti-fog high-definition lens coated with the film, the first high-refractive-index film coating layer, the second high-refractive-index film coating layer, the third high-refractive-index film coating layer and the fourth high-refractive-index film coating layer are lanthanum titanate film coating layers.

According to the antifogging high-definition lens coated with the film, the thickness of the first high-refractive-index coating film is 25.98 nm; the thickness of the second high-refractive-index coating layer is 34.67 nm; the thickness of the third high-refractive-index coating layer is 89.25 nm; the thickness of the fourth high refractive index coating layer is 43.7 nm.

As the antifog high-definition lens coated with the film, the glass base material is made of the sapphire material.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model provides an antifog high definition camera lens coated lens, the outermost antifog coating film that has plated of lens, antifog coating film adopts fluoride coating film material, play the plastic envelope effect, not only dustproof antifog, and can make the lens surface smooth, prevent that the fingerprint from leaving the vestige at the lens, and simultaneously, the material of a plurality of high refracting indexes and low refractive index material are in turn repeated and are plated the rete of different thickness on the lens surface, make the coating film layer alternate deposition of high low refractive index and different thickness, reduce reflectivity through multilayer coating film, improve the luminousness of lens, avoid the blurred crescent moon of camera lens outward flange part image quality edge and miscellaneous shadow, guarantee the clarity of lens;

2. the utility model discloses the glass substrate of antifog high definition camera lens coating film lens adopts the sapphire material, and sapphire material and organic glass, mineral glass table mirror are compared, and sapphire material table mirror hardness is higher to difficult reflection of light and scraping the flower have ensured the holistic hardness of lens, have reduced the probability of damage, and the sapphire still has waterproof characteristic simultaneously, has further improved the antifog performance of lens.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is an optical schematic diagram of the present invention.

[ detailed description ] embodiments

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the specific embodiment, the antifogging high definition lens coated lens shown in fig. 1-3 comprises a glass substrate 1, wherein the upper surface of the glass substrate 1 is sequentially provided with: the anti-fog lens comprises a first low-refractive-index coating layer 2, a first high-refractive-index coating layer 3, a second low-refractive-index coating layer 4, a second high-refractive-index coating layer 5, a third low-refractive-index coating layer 6, a third high-refractive-index coating layer 7, a fourth low-refractive-index coating layer 8, a fourth high-refractive-index coating layer 9, a fifth low-refractive-index coating layer 10 and an anti-fog layer 11, wherein the anti-fog layer 11 comprises an anti-fog coating film 111, the anti-fog coating film 111 is made of fluoride film materials, the anti-fog coating film 111 made of the fluoride film materials plays a plastic package role, is dustproof and anti-fog, can enable the surface of the lens to be smooth, prevent fingerprints from leaving traces on the lens, and simultaneously, the two high-low-refractive-index materials are alternately and repeatedly coated with different thicknesses on the surface of the lens, so that the, the utility model discloses the lens is less than 0.5% to wavelength at 410 ~ 860 nm's light reflectivity R, improves the optical property of lens, improves the luminousness of camera lens greatly, improves the contrast and the sharpness of produced image, keeps the clarity of lens. Will coat the film back lens and test, as shown in fig. 3, for the utility model discloses a reflectivity change chart under the different wavelength incident lights of camera lens coated lens, the X axle is the wavelength of incident light, and the Y axle is the reflectivity of lens, can obtain through fig. 3, and this camera lens coated lens is under the condition of 410nm ~ 860nm wavelength, and the reflectivity of lens is less than 0.5%.

Specifically, the thickness of the anti-fog coating 111 is 0.005-0.01 mm, so that the adhesion of outside dust and the adhesion of moisture and oil stain can be avoided.

More specifically, the anti-fog plating film 111 adopts a perfluorooctane sulfonic acid (PFOS) film material or a perfluorooctyl quaternary amine iodide film material. The anti-fog coating film 11 made of perfluorooctane sulfonate plays a role in plastic packaging, so that the lens is dustproof and anti-fog, the surface of the lens can be smooth, and fingerprints are prevented from leaving traces on the lens.

Further, the antifogging layer 11 further comprises an anti-wear film 112 disposed below the antifogging coating film 111, and the anti-wear film 112 is Si0₂The material is that the thickness of the anti-abrasion film 112 is 3-5 mm, and Si0 is adopted₂The hardness of the coating layer made of the material is higher, and the problem of abrasion of the lens caused by the influence of external factors is avoided.

In addition, the first low refractive index coating layer 2, the second low refractive index coating layer 4, the third low refractive index coating layer 6, the fourth low refractive index coating layer 8 and the fifth low refractive index coating layer 10 are MGF₂Coating a film layer;

furthermore, the size and range of the light transmittance are influenced by the thickness of the film, so that the size and range of the light transmittance can be adjusted by controlling the thickness of the film layer, in the embodiment, the thickness of the first low-refractive-index coating layer 2 is 32.73nm and is used as a priming layer, so that the adhesive force between the film layer and the glass substrate 1 can be increased; the thickness of the second low-refractive-index coating layer 4 is 61.28 nm; the thickness of the third low-refractive-index coating layer 6 is 33.73 nm; the thickness of the fourth low-refractive-index coating layer 8 is 12.7 nm; the thickness of the fifth low-refractive-index coating layer 10 is 109.46 nm;

furthermore, the first high refractive index coating layer 3, the second high refractive index coating layer 5, the third high refractive index coating layer 7 and the fourth high refractive index coating layer 9 are lanthanum titanate coating layers, and the refractive index of the lanthanum titanate coating layers is about 2.0;

more specifically, the thickness of the first high refractive index coating layer 3 is 25.98 nm; the thickness of the second high-refractive-index coating layer 5 is 34.67 nm; the thickness of the third high-refractive-index coating layer 7 is 89.25 nm; the thickness of the fourth high-refractive-index coating layer 9 is 43.7 nm; the utility model adopts lanthanum titanate and MGF₂The material of two kinds of high low refractivity is in turn repeated plates the rete of different thickness on the lens surface, improves the luminousness of camera lens greatly, and the general reflectivity of lens that does not coat the membrane is 5%, the utility model discloses make the reflectivity be less than 0.5% through multilayer coating film, diffuse reflection between each lens of camera lens that still significantly reduces simultaneously improves the contrast and the sharpness of image.

Finally, the glass substrate 1 is made of sapphire. Compared with an organic glass or mineral glass watch mirror, the hardness of the watch mirror made of sapphire can reach 9 Mohs' level, reflection and scratching are not easy, the integral hardness of the lens is ensured, the probability of damage is reduced, and meanwhile, the sapphire has a waterproof characteristic, so that the antifogging performance of the lens is further improved.

The utility model discloses an antifog high definition camera lens coated film lens, the lens is outmost to have plated antifog coating film, and antifog coating film adopts fluoride coating material, plays the plastic envelope effect, not only prevents dust antifog, and can make the lens surface smooth, prevents that the fingerprint from leaving the vestige at the lens, simultaneously, a plurality of MGF₂The material and the lanthanum titanate material are alternately and repeatedly coated with film layers with different thicknesses on the surface of the lens, so that the coating layers with high refractive index and low refractive index and different thicknesses are alternately deposited, the reflectivity is less than 0.5% through multi-layer coating, the light transmittance of the lens is improved, and the definition of the lens is ensured; the utility model relates to a glass substrate of antifog high definition camera lens coated lens adopts the sapphire material, the sapphire material with haveMachine glass, mineral glass table mirror compare, and sapphire material table mirror hardness is higher to be difficult for reflecting light and scraping the flower, ensured the holistic hardness of lens, reduced the probability of damage, sapphire still has waterproof characteristic simultaneously, has further improved the antifog performance of lens.

The foregoing is illustrative of one embodiment provided in connection with the detailed description and is not intended to limit the invention to the specific embodiment described. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.

Claims (9)

1. The utility model provides an antifog high definition camera lens coated lens, includes glass substrate (1), its characterized in that, the upper surface of glass substrate (1) is equipped with from bottom to top in proper order: first low refracting index coating film layer (2), first high refracting index coating film layer (3), second low refracting index coating film layer (4), second high refracting index coating film layer (5), third low refracting index coating film layer (6), third high refracting index coating film layer (7), fourth low refracting index coating film layer (8), fourth high refracting index coating film layer (9), fifth low refracting index coating film layer (10) and antifogging coating (11), antifogging coating (11) are including antifogging coating film (111), antifogging coating film (111) adopt fluoride membrane material.

2. The anti-fog high-definition lens coated lens as claimed in claim 1, wherein the thickness of the anti-fog coating film (111) is 0.005-0.01 mm.

3. The anti-fog high-definition lens coated lens as claimed in claim 2, wherein the anti-fog coating (111) is made of perfluorooctane sulfonate.

4. The anti-fog high-definition lens coated lens as claimed in claim 1, wherein the anti-fog layer (11) further comprises an anti-abrasion film (112) disposed below the anti-fog coating film (111), the anti-abrasion film (112) is made of Si0₂Material, the thickness of the abrasion resistant film (112) is 3～5mm。

5. An anti-fog high-definition lens coated lens as claimed in claim 1, wherein the first low refractive index coating (2), the second low refractive index coating (4), the third low refractive index coating (6), the fourth low refractive index coating (8) and the fifth low refractive index coating (10) are MGF₂And (7) coating a film layer.

6. The antifogging high-definition lens coated lens according to claim 5, wherein the thickness of the first low refractive index coating layer (2) is 32.73 nm; the thickness of the second low-refractive-index coating layer (4) is 61.28 nm; the thickness of the third low-refractive-index coating layer (6) is 33.73 nm; the thickness of the fourth low-refractive-index coating layer (8) is 12.7 nm; the thickness of the fifth low-refractive-index coating layer (10) is 109.46 nm.

7. The anti-fog high-definition lens coated lens as claimed in claim 1, wherein the first high refractive index coating layer (3), the second high refractive index coating layer (5), the third high refractive index coating layer (7) and the fourth high refractive index coating layer (9) are lanthanum titanate coating layers.

8. The anti-fog high-definition lens coated lens as claimed in claim 7, wherein the thickness of the first high refractive index coating layer (3) is 25.98 nm; the thickness of the second high-refractive-index coating layer (5) is 34.67 nm; the thickness of the third high-refractive-index coating layer (7) is 89.25 nm; the thickness of the fourth high-refractive-index coating layer (9) is 43.7 nm.

9. The anti-fog high-definition lens coated lens as claimed in claim 1, wherein the glass substrate (1) is made of sapphire.

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