Picture frame and progressive multi-focus lens with blue light prevention effect

Abstract

The utility model relates to a progressive multi-focus lens, belongs to the technical field of vacuum coating and display screen light hazard prevention and control, and particularly relates to a lens frame and a progressive multi-focus lens with an anti-blue-light effect of the lens frame. The multi-focus lens comprises a first silicon dioxide film layer, a second silicon dioxide film layer, a third silicon dioxide film layer, a first AF waterproof layer, a second AF waterproof layer and a blue light absorption film layer. The first silicon dioxide film layer and the second silicon dioxide film layer are arranged on the two sides of the multi-focus lens respectively, the blue light absorption film layer is arranged on the surface of the second silicon dioxide film layer, the third silicon dioxide film layer is arranged on the surface of the blue light absorption film layer, the second AF waterproof layer is arranged on the third silicon dioxide film layer, and the first AF waterproof layer is arranged on the surface of the first silicon dioxide film layer. According to the utility model, the blue light absorption degree can be adjusted by setting the thickness of the blue light absorption film layer during vacuum plating, so that the problem that the progressive multi-focus glasses in the current market generally do not have the blue light prevention effect is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum coating and display screen light hazard prevention and control, in particular to a lens frame and a progressive multi-focal lens with blue light protection function. Background Art

[0002] In recent years, multifocal lenses have shown rapid development and popularity in China. Under central gaze conditions, multifocal lenses achieve full-range spatial vision functions for long, medium and near distances. The change in degree is gradual, does not produce image jumps, has no adjustment fluctuations, and is not easy to cause visual fatigue. It is very popular among middle-aged and elderly people.

[0003] With the popularity of electronic devices such as smart phones, computers, and televisions, the number of middle-aged and elderly users has increased significantly. In order to display clear, vivid, and bright images, electronic display screens inevitably emit a high proportion of high-energy short-wave blue light. If users stare at the screen for a long time, their eyes will absorb excessive high-frequency, high-energy, short-wave blue light, causing rapid aging of retinal photoreceptor cells and causing vision damage, cataracts, macular degeneration and other eye diseases, and even blindness in severe cases.

[0004] The survey found that the progressive multifocal glasses currently on the market generally do not have the function of blue light protection, and there are few related studies. Therefore, there is an urgent need for a progressive multifocal lens with blue light protection to protect the eye health of people who often look at electronic display screens and need to wear multifocal glasses.

[0005] In view of the above problems, the present invention provides a frame and a progressive multi-focal lens with anti-blue light effect. A coating material formed by mixing and sintering a plurality of rare earth oxide materials is plated on the surface of the multi-focal lens by vacuum coating to form a nano-functional film with blue light absorption effect, so that the multi-focal lens has excellent anti-blue light effect. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes a frame and a progressive multifocal lens with blue light protection function. The blue light absorption degree can be adjusted by setting the thickness of the blue light absorption film layer during vacuum electroplating to meet the needs of different groups of people.

[0007] The technical solution to achieve the purpose of the utility model is: a frame and a progressive multi-focal lens with anti-blue light function, comprising a multi-focal lens body, wherein the multi-focal lens body comprises a first silicon dioxide film layer, a second silicon dioxide film layer, a third silicon dioxide film layer, a first AF waterproof layer, a second AF waterproof layer and a blue light absorbing film layer;

[0008] The silica film layer 1 and the silica film layer 2 are respectively arranged on both sides of the multifocal lens body, the blue light absorbing film layer is arranged on the surface of the silica film layer 2, the silica film layer 3 is arranged on the surface of the blue light absorbing film layer, the AF waterproof layer 2 is arranged on the silica film layer 3, and the AF waterproof layer 1 is arranged on the surface of the silica film layer 1.

[0009] In some embodiments, the thickness of the silicon dioxide film layer 1 and the silicon dioxide film layer 2 are both set to 22 nm, and the thickness of the silicon dioxide film layer 3 is set to 80 nm.

[0010] In some embodiments, the thickness of the AF waterproof layer 1 and the AF waterproof layer 2 are both set to 40 nm.

[0011] In some embodiments, the thickness of the blue light absorbing film layer is set to 60-300 nm.

[0012] A mirror frame comprises an upper mirror frame and a lower mirror frame, wherein the upper mirror frame and the lower mirror frame are detachably and rotatably connected via a quick-release assembly, wherein the quick-release assembly comprises a vertical groove provided on the upper surface of the lower mirror frame, wherein the inner wall of the vertical groove is fixedly connected to two fixing plates, wherein the upper surfaces of the two fixing plates are penetrated with through holes, wherein the inner walls of the two through holes are slidably connected to the same spherical rod, wherein the surfaces of the spherical rod are respectively sleeved with a first spring and a return spring, wherein the two ends of the spring are respectively connected to the opposite surfaces of the two fixing plates, wherein the top end of the spherical rod is fixedly connected to an arc cap, wherein the surface of the spherical rod is slidably connected to a sliding ring, wherein the inner walls of the arc cap at the two ends of the return spring are respectively connected to the opposite surfaces of the sliding ring.

[0013] In some embodiments, an avoidance groove is provided on one side of the lower mirror frame, the inner wall of the avoidance groove is threadedly connected with a screw, one end of the screw is fixedly connected to an extrusion ball, an L-shaped groove is provided on one side of the upper mirror frame, the inner wall of the L-shaped groove is fixedly connected to a vertical plate, a through hole is provided on one side of the vertical plate, the inner wall of the through hole is slidably connected with a sliding rod, one end of the sliding rod is fixedly connected to a trapezoidal block, the surface of the sliding rod is sleeved with a second spring, and the two ends of the second spring are respectively connected to the opposite surfaces of the trapezoidal block and the vertical plate.

[0014] Compared with the prior art, the present invention has the following significant advantages:

[0015] The progressive multi-focal lens product with blue light protection effect produced by the utility model can effectively absorb the high-energy short-wave blue light emitted by the electronic display screen, has excellent blue light protection effect, and protects the eye health of the wearer. At the same time, according to the thickness of the blue light absorption film layer during vacuum electroplating, its blue light absorption degree (blue light filtering rate: between 20% and 60%) can be adjusted to meet the needs of different groups of people.

[0016] The problem that the progressive multifocal glasses currently on the market generally do not have the function of blocking blue light is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1 is a schematic diagram of the lens structure provided in one embodiment of the utility model;

[0019] Figure 2 It is a schematic diagram of the mirror frame structure provided in one embodiment of the utility model;

[0020] Figure 3 It is a schematic cross-sectional structural diagram of a quick-release assembly provided in one embodiment of the utility model;

[0021] Figure 4 The utility model provides in one embodiment Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 It is a partial structural schematic diagram of a quick-release assembly provided in one embodiment of the utility model.

[0023] Description of reference numerals:

[0024] 1. Multifocal lens body; 2. Silica film layer 1; 3. Silica film layer 2; 4. Silica film layer 3; 5. AF waterproof layer 1; 6. AF waterproof layer 2; 7. Blue light absorbing film layer; 8. Upper frame; 9. Quick release assembly; 901. Vertical groove; 902. Avoidance groove; 903. Screw; 904. Extrusion ball; 905. Fixing plate; 906. Spherical rod; 907. First spring; 908. Sliding ring; 909. Arc cap; 910. L-shaped groove; 911. Vertical plate; 912. Trapezoidal block; 913. Sliding rod; 914. Second spring; 915. Return spring; 10. Lower frame. DETAILED DESCRIPTION

[0025] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides a frame and a progressive multi-focal lens with blue light protection function through improvement. The technical solution of the utility model is:

[0027] like Figure 1As shown, a spectacle frame and a progressive multi-focal lens with blue light protection function, comprising a multi-focal lens body 1, wherein the multi-focal lens body 1 comprises a silicon dioxide film layer 1 2, a silicon dioxide film layer 2 3, a silicon dioxide film layer 3 4, an AF waterproof layer 1 5, an AF waterproof layer 2 6 and a blue light absorption film layer 7;

[0028] Silica film layer 1 2 and silica film layer 2 3 are respectively arranged on both sides of the multifocal lens body 1. The silica film layer can be used as a protective layer to protect the base material or device from erosion, pollution or damage by the external environment. It is in direct contact with the multifocal lens and can protect the lens; the blue light absorbing film layer 7 is arranged on the surface of the silica film layer 2 3. The blue light absorbing film layer 7 is made by vacuum electroplating. The thickness of the blue light absorbing film layer 7 can be adjusted during vacuum electroplating to adjust its blue light absorption degree (blue light filtering rate: between 20% and 60%); the silica film layer 3 4 is arranged on the surface of the blue light absorbing film layer 7, the AF waterproof layer 2 6 is arranged on the silica film layer 3 4, and the AF waterproof layer 1 5 is arranged on the surface of the silica film layer 2.

[0029] like Figure 1 As shown, in one embodiment, the thickness of silicon dioxide film layer 1 2 and silicon dioxide film layer 2 3 are both set to 22nm, and the thickness of silicon dioxide film layer 3 4 is set to 80nm; the thickness of AF waterproof layer 1 5 and AF waterproof layer 2 6 are both set to 40nm; the thickness of blue light absorption film layer 7 is set to 60-300nm.

[0030] like Figure 2-5 As shown, a frame includes an upper frame 8 and a lower frame 10, wherein two joints of the upper frame 8 and the lower frame 10 are respectively connected by a rotating shaft and a quick-release assembly 9, wherein the upper frame 8 and the lower frame 10 are connected by a quick-release assembly 9 and are detachably connected, and a progressive multifocal lens with anti-blue light effect is provided, wherein the quick-release assembly 9 includes a vertical groove 901 provided on the upper surface of the lower frame 10, wherein the inner wall of the vertical groove 901 is fixedly connected with two fixing plates 905, wherein the upper surfaces of the two fixing plates 905 are penetrated with through holes, wherein the inner walls of the two through holes are slidably connected with the same spherical rod 906, and the surfaces of the spherical rod 906 are respectively sleeved with The first spring 907 and the return spring 915, the two ends of the spring are respectively connected to the opposite surfaces of the two fixed plates 905, the top of the spherical rod 906 is fixedly connected with an arc cap 909, the bottom end of the arc cap 909 is hollow and can be matched with the upper half of the sliding ring 908, the surface of the spherical rod 906 is slidably connected with the sliding ring 908, the two ends of the return spring 915 are respectively connected to the inner wall of the arc cap 909 and the opposite surface of the sliding ring 908, the design of the return spring 915 can make the sliding ring 908 reset after the arc cap 909 is separated from the trapezoidal block 912, without affecting the secondary use;

[0031] A avoidance groove 902 is provided on one side of the lower mirror frame 10, and a screw 903 is threadedly connected to the inner wall of the avoidance groove 902. Through the set avoidance groove 902, the screw 903 can drive the extrusion ball 904 to move to avoid motion interference. One end of the screw 903 is fixedly connected to the extrusion ball 904. An L-shaped groove 910 is provided on one side of the upper mirror frame 8, and a vertical plate 911 is fixedly connected to the inner wall of the L-shaped groove 910. A through hole is provided on one side of the vertical plate 911, and a sliding rod 913 is slidably connected to the inner wall of the through hole. One end of the sliding rod 913 is fixedly connected to a trapezoidal block 912, and both sides of the trapezoidal block 912 are affixed and slidably connected to the inner wall of the L-shaped groove 910. A second spring 914 is sleeved on the surface of the sliding rod 913, and both ends of the second spring 914 are respectively connected to the opposite surfaces of the trapezoidal block 912 and the vertical plate 911.

[0032] The specific working method is: when in use, the progressive multifocal lens with anti-blue light effect can effectively absorb the high-energy short-wave blue light emitted by the electronic display screen, has excellent anti-blue light effect, and protects the eye health of the wearer. At the same time, according to the thickness of the blue light absorbing film layer 7 during vacuum plating, its blue light absorption degree can be adjusted;

[0033] When the frame is in use, the screw 903 can be turned to drive the extrusion ball 904 to be supplied, so as to squeeze the spherical rod 906, thereby making the spherical rod 906 rise and fall, driving the arc cap 909 up and down. When lifting, the arc cap 909 contacts the trapezoidal block 912, squeezes the trapezoidal block 912, and shrinks the trapezoidal block 912 until the arc cap 909 is stuck on the trapezoidal block 912. At this time, the trapezoidal block 912 is reset by the elastic force of the second spring 914. When disassembling, the lifting is continued until the sliding ring 908 coincides with the inner wall of the arc cap 909, and the trapezoidal block 912 is squeezed again. When the screw 903 is reversed to make the spherical rod 906 descend, the arc cap 909 can be separated from the trapezoidal block 912, and the disassembly is completed, which is convenient for replacing lenses.

[0034] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A progressive multifocal lens with blue light protection effect, comprising a multifocal lens body (1), characterized in that: The multifocal lens body (1) comprises a silicon dioxide film layer 1 (2), a silicon dioxide film layer 2 (3), a silicon dioxide film layer 3 (4), an AF waterproof layer 1 (5), an AF waterproof layer 2 (6) and a blue light absorbing film layer (7); The silicon dioxide film layer 1 (2) and the silicon dioxide film layer 2 (3) are respectively arranged on both sides of the multifocal lens body (1), the blue light absorbing film layer (7) is arranged on the surface of the silicon dioxide film layer 2 (3), the silicon dioxide film layer 3 (4) is arranged on the surface of the blue light absorbing film layer (7), the AF waterproof layer 2 (6) is arranged on the silicon dioxide film layer 3 (4), and the AF waterproof layer 1 (5) is arranged on the surface of the silicon dioxide film layer 1 (2).

2. The progressive multifocal lens with blue light protection function according to claim 1, characterized in that: The thickness of the silicon dioxide film layer 1 (2) and the silicon dioxide film layer 2 (3) are both set to 22 nm, and the thickness of the silicon dioxide film layer 3 (4) is set to 80 nm.

3. The progressive multifocal lens with blue light protection function according to claim 1, characterized in that: The thickness of the AF waterproof layer 1 (5) and the AF waterproof layer 2 (6) are both set to 40nm.

4. The progressive multifocal lens with blue light protection function according to claim 1, characterized in that: The thickness of the blue light absorbing film layer (7) is set to 60-300 nm.

5. A spectacles frame, comprising an upper spectacles frame (8) and a lower spectacles frame (10), wherein the upper spectacles frame (8) and the lower spectacles frame (10) are detachably and rotatably connected via a quick-release assembly (9), and a progressive multifocal lens with blue light protection function according to any one of claims 1 to 4, characterized in that: The quick-release assembly (9) comprises a vertical groove (901) provided on the upper surface of the lower mirror frame (10), the inner wall of the vertical groove (901) being fixedly connected to two fixing plates (905), the upper surfaces of the two fixing plates (905) being penetrated by through holes, the inner walls of the two through holes being slidably connected to the same spherical rod (906), the surface of the spherical rod (906) being respectively sleeved with a first spring (907) and a return spring (915), the two ends of the spring being respectively connected to the opposite surfaces of the two fixing plates (905), the top end of the spherical rod (906) being fixedly connected to an arc cap (909), the surface of the spherical rod (906) being slidably connected to a sliding ring (908), and the two ends of the return spring (915) being respectively connected to the inner wall of the arc cap (909) and the opposite surface of the sliding ring (908).

6. A spectacles frame according to claim 5, characterized in that: A relief groove (902) is provided on one side of the lower mirror frame (10), a screw (903) is threadedly connected to the inner wall of the relief groove (902), and one end of the screw (903) is fixedly connected to an extrusion ball (904); an L-shaped groove (910) is provided on one side of the upper mirror frame (8), a vertical plate (911) is fixedly connected to the inner wall of the L-shaped groove (910), a through hole is provided on one side of the vertical plate (911), a sliding rod (913) is slidably connected to the inner wall of the through hole, one end of the sliding rod (913) is fixedly connected to a trapezoidal block (912), a second spring (914) is sleeved on the surface of the sliding rod (913), and two ends of the second spring (914) are respectively connected to the opposite surfaces of the trapezoidal block (912) and the vertical plate (911).

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