CN217112926U

CN217112926U - Multi-point out-of-focus lens

Info

Publication number: CN217112926U
Application number: CN202122826471.6U
Authority: CN
Inventors: 仇谷烽
Original assignee: Jiangsu Shengpu Optical Technology Co ltd; Jiangsu Huiding Optical Glasses Co ltd
Current assignee: Jiangsu Xinshike Optoelectronics Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-08-02
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to a technical field of lens preparation especially relates to a multiple spot out of focus lens. The optical lens comprises a lens concave surface and a lens convex surface, wherein an outer ring light bending region, a middle ring light bending region and an inner ring light bending region are arranged on the lens convex surface, and the outer ring light bending region, the middle ring light bending region and the inner ring light bending region are arranged from the outer ring to the middle point of the lens convex surface in a gradual manner; the micro lens group is arranged in an annular mode along the middle point of the mirror surface convex surface, the outer diameters of the micro lenses on the first inner ring of the micro lens group are in contact with each other, and the micro lenses on the micro lens group are all arranged on the extension line of the micro lenses on the first inner ring and the middle point of the mirror surface convex surface at the same arrangement position from the second ring. The utility model aims at providing a multiple spot defocusing lens to the defect that exists among the prior art, reached the lens that has many rings of stealthy star ring microlens and can improve the lens definition in the use, reduced the dizzy effect of user.

Description

Multi-point out-of-focus lens

Technical Field

The utility model relates to a technical field of lens preparation especially relates to a multiple spot out of focus lens.

Background

At present, along with the higher and higher requirements of people on glasses, more multifunctional glasses lenses gradually enter the sight of people. Among them, there is a lens contributing to the inhibition of the further development of myopia, which has a function of focusing an image on a point in front of the retina of an eye in addition to focusing an image on the retina of the eye, and when a patient views an object using this lens, an image of the object is formed on the retina and an image is also formed on a point in front of the retina, so that the image of the object can be visually recognized and an effect of inhibiting the development of myopia can be obtained based on the image formed in front of the retina.

However, in practice, such lenses are found to be suitable for the wearer to look away from the home, have desirable visual effects and inhibit myopia, such as looking away outdoors and looking toward the blackboard after the lens is worn by students; however, when the lens is worn to observe only objects in close range, visual blurring and vertigo are significantly increased, visual fatigue is likely to occur, and visual acuity is further affected. However, when a student is in class, the student needs to watch the blackboard for a moment and needs to look at books with a head down for a moment, the sight line is frequently changed, and the student is inconvenient if frequently takes off and wears the glasses in the process and can also influence the class listening effect of the student. The same problem occurs when the user moves his/her gaze to the left and right.

In view of the above problems, the designer is based on the practical experience and professional knowledge that are abundant for years in engineering application of such products, and is matched with the application of theory to actively carry out research and innovation, so as to design a multi-point defocusing lens, thereby achieving the effects of improving the lens definition and reducing the dizzy of users in the using process of the lens with multi-circle invisible star-ring micro lenses.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multiple spot defocusing lens to the defect that exists among the prior art, reached the lens that has many rings of stealthy star ring microlens and can improve the lens definition in the use, reduced the dizzy effect of user.

In order to achieve the above object, the technical solution of the present invention is a multi-point defocusing lens, comprising a lens concave surface and a lens convex surface, wherein the lens convex surface is provided with an outer ring dioptric area, a middle ring dioptric area and an inner ring dioptric area, and the outer ring dioptric area, the middle ring dioptric area and the inner ring dioptric area are arranged from an outer ring to a middle point of the lens convex surface; the micro lens group is characterized in that the mirror convex surface is further provided with a micro lens group consisting of a plurality of micro lenses, the micro lens group is arranged in an annular mode along the middle point of the mirror convex surface, the outer diameters of the micro lenses on the first inner ring of the micro lens group are in contact with each other, and the micro lenses on the micro lens group are arranged on the extension line of the middle point of the mirror convex surface and the micro lenses on the first inner ring at the same arrangement position from the second ring.

The lens further comprises a near area, the near area is arranged below the middle ring dioptric area, the whole near area is in a fan shape which is outwards diverged along the middle point of the mirror convex surface, and the micro lens is not arranged on the near area.

The side area is in a fan shape which is diverged towards the left side and the right side from the midpoint along the convex surface of the mirror surface, the micro lens is not arranged on the side area, and the side area forms a corresponding gap by additionally canceling the arrangement of the micro lens on the left side and the right side of the first inner ring of the micro lens group.

Furthermore, the refractive powers of the outer ring light bending region and the inner ring light bending region are the same, and the refractive power of the middle ring light bending region is different from the refractive powers of the outer ring light bending region and the inner ring light bending region due to the influence of the microlens set.

Further, the microlens set has six rings outwards from the convex surface of the mirror surface, and when the final combined luminosity of the lens is 0-300, the defocusing amount from the first inner ring to the sixth ring is 1.75, 1.81, 2, 2.41, 2.5 and 2.41 respectively.

Further, the microlens set has six rings outwards from the convex surface of the mirror surface, and when the final combined luminosity of the lens is 300-600, the defocusing amount from the first inner ring to the sixth ring is respectively 2.25, 2.31, 2.5, 2.91, 3 and 2.91.

Further, the microlens set has six rings outward from the convex surface of the mirror surface, and when the final combined luminosity of the lens is above 600, the defocusing amount from the first inner ring to the sixth ring is respectively 2.5, 2.56, 2.75, 3.16, 3.25 and 3.16.

Through the technical scheme of the utility model, can realize following technological effect:

the outer ring refraction area, the middle ring refraction area and the inner ring refraction area in the device are arranged from the outer ring to the middle point of the convex surface of the mirror surface in a gradual mode, the convex surface of the mirror surface is provided with a micro lens group consisting of a plurality of micro lenses, and the micro lens group is arranged in an annular mode along the middle point of the convex surface of the mirror surface, wherein the outer diameters of the micro lenses on the first inner ring of the micro lens group are in contact with each other, and the micro lenses on the micro lens group are arranged on the same position from the second ring, and the micro lenses on the first inner ring are arranged on the same position, and the structure is arranged on the extension line of the middle point of the convex surface of the mirror surface, so that the lens with the multiple rings of the invisible star ring micro lenses can improve the definition and reduce the dizzy effect of a user in the use process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a multi-point out-of-focus lens according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a near field region in an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a side region in an embodiment of the present invention.

Reference numerals: a concave surface 1 of the lens, a convex surface 2 of the lens, an outer ring dioptric region 21, a middle ring dioptric region 22, a near region 221, a side region 222, an inner ring dioptric region 23 and a microlens set 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the orientations and positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

A multi-point defocused lens, as shown in fig. 1, comprises a lens concave surface 1 and a lens convex surface 2, wherein the lens convex surface 2 is provided with an outer ring dioptric region 21, a middle ring dioptric region 22 and an inner ring dioptric region 23, and the outer ring dioptric region 21, the middle ring dioptric region 22 and the inner ring dioptric region 23 are arranged from the outer ring to the middle point of the lens convex surface 2; still be provided with the microlens group 3 of constituteing by a plurality of microlens on the mirror surface convex surface 2, microlens group 3 follows the midpoint of mirror surface convex surface 2 is cyclic annular setting, wherein contact each other between the microlens external diameter on the first inner ring of microlens group 3, begin from the second ring microlens on the microlens group 3 all on the first inner ring on the same array position with on the extension line of the midpoint of mirror surface convex surface 2.

Specifically, the outer ring dioptric region, the middle ring dioptric region and the inner ring dioptric region are arranged from the outer ring to the middle point of the convex surface of the mirror surface in a gradual manner, the convex surface of the mirror surface is provided with a micro lens group consisting of a plurality of micro lenses, the micro lens group is arranged in a ring shape along the middle point of the convex surface of the mirror surface, the outer diameters of the micro lenses on the first inner ring of the micro lens group are in contact with each other, the micro lenses on the micro lens group are arranged on the first inner ring at the same arrangement position from the second ring, the micro lens group is formed by an invisible star ring micro lens, so that the micro lens group is designed to form a multi-point defocusing structure through a large number of micro lenses, a virtual image is formed in front of a pupil, the movement time of lengthening of an eye axis is delayed, the eye fatigue is relieved, the myopia is prevented, and the micro lenses on the first inner ring of the micro lens group 3 and the mirror lens group are arranged at the same arrangement position from the second ring On the extension line of the middle point of the convex surface 2, regular and continuous gaps are formed among the micro lenses, and the imaging is stable and the definition is greatly improved while the multi-point defocusing structure is ensured.

As shown in fig. 1, the above embodiment preferably further includes a near region 221, the near region 221 is disposed below the middle refractive region 22, the entire near region 221 has a fan shape diverging outward from a midpoint of the specular convex surface 2, and no microlens is disposed on the near region 221.

Specifically, set up in middle ring bending light zone below through near with the region, near with regional whole be along the fan-shaped that the mid point of mirror surface convex surface outwards diverges, no longer be provided with the structure of microlens on the near with the region to realize the complete clear visual area in near with the region, in order to be used for when far sight switches over to low head myopia, can not increase fuzzy, dizzy sense in the vision because of observing the thing of closely through the microlens group, thereby prevent to produce visual fatigue.

As shown in fig. 1, the present embodiment preferably further includes side regions 222, the side regions 222 are disposed on both left and right sides of the middle refractive region 22, the side regions 222 are fan-shaped regions that diverge from a midpoint along the specular convex surface 2 to the left and right sides, respectively, and no microlens is disposed on the side regions 222, wherein the side regions 222 form a corresponding gap by disposing additional microlenses on both left and right sides of the first inner ring of the microlens group 3.

As a preferable example of the above embodiment, as shown in fig. 1, the refractive powers of the outer ring dioptric region 21 and the inner ring dioptric region 23 are the same, and the refractive power of the middle ring dioptric region 22 is different from the refractive powers of the outer ring dioptric region 21 and the inner ring dioptric region 23 due to the influence of the microlens group 3.

Specifically, the side areas are arranged on the left side and the right side of the middle bending area and are in fan shapes which are respectively diffused towards the left side and the right side from the middle point along the convex surface of the mirror surface, and meanwhile, microlenses are not arranged on the side areas, wherein the side areas are in a structure which is matched with gaps and formed by additionally canceling the arrangement of the microlenses on the left side and the right side of the first inner ring of the microlens set, so that complete clear areas are reserved on the left side and the right side of the lens in front of the pupil of a user, when the sight line moves left and right in the horizontal direction, the side areas serve as gap zones, under the condition that the integral using effect of the lens is guaranteed, the phenomena that the sight line changes and the images are mapped on eyes after passing through the microlens set are reduced.

Preferably, as shown in fig. 1, the microlens set 3 has six rings outward from the convex surface 2, and when the final combined optical power of the lens is 0 to 300, the defocus amounts from the first inner ring to the sixth ring are 1.75, 1.81, 2, 2.41, 2.5 and 2.41, respectively.

Preferably, as shown in fig. 1, the microlens set 3 has six rings outward from the convex surface 2, and when the final combined optical power of the lens is 300 to 600, the defocus amounts from the first inner ring to the sixth ring are 2.25, 2.31, 2.5, 2.91, 3 and 2.91, respectively.

Preferably, as shown in fig. 1, the microlens set 3 has six rings outward from the convex surface 2, and when the final combined optical power of the lens is 600 or more, the defocus amounts from the first inner ring to the sixth ring are 2.5, 2.56, 2.75, 3.16, 3.25 and 3.16, respectively.

Specifically, the micro lens group 3 is arranged to have six rings outwards from the convex surface 2, and when the final combined luminosity of the lens is different, the defocusing amount from the first inner ring to the sixth ring is respectively different, so that more accurate refraction adaptation is realized.

Specifically, the problems that the lenses with the multi-circle invisible star ring micro lenses in the prior art are not clear when viewing objects and are easy to dizzy when the sight line changes are solved by the structure that the outer ring bending area, the middle ring bending area and the inner ring bending area are arranged from the outer ring to the middle point of the convex surface of the mirror surface in a gradual mode, the micro lens group consisting of a plurality of micro lenses is arranged on the convex surface of the mirror surface, and the micro lens group is arranged along the middle point of the convex surface of the mirror surface in an annular mode, wherein the outer diameters of the micro lenses on the first inner ring of the micro lens group are mutually contacted, and the micro lenses on the first inner ring are arranged at the same position from the second ring.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The multi-point defocused lens is characterized by comprising a lens concave surface (1) and a lens convex surface (2), wherein an outer ring light bending area (21), a middle ring light bending area (22) and an inner ring light bending area (23) are arranged on the lens convex surface (2), and the outer ring light bending area (21), the middle ring light bending area (22) and the inner ring light bending area (23) are arranged from the outer ring to the middle point of the lens convex surface (2) in a gradual manner; still be provided with microlens group (3) of constituteing by a plurality of microlens on mirror surface convex surface (2), microlens group (3) are followed the midpoint of mirror surface convex surface (2) is cyclic annular setting, wherein contact each other between the microlens external diameter on the first inner ring of microlens group (3), start from the second ring microlens on the microlens group (3) all on the first inner ring on the same array position with on the extension line of the midpoint of mirror surface convex surface (2).

2. A multi-point through-focus lens according to claim 1, further comprising a near zone (221), wherein the near zone (221) is disposed below the middle ring dioptric region (22), the near zone (221) has a fan shape diverging outwardly from the middle point of the specular convex surface (2) as a whole, and no microlens is disposed on the near zone (221).

3. The multi-point out-of-focus lens according to claim 2, further comprising lateral areas (222), wherein the lateral areas (222) are disposed on the left and right sides of the middle ring dioptric region (22), the lateral areas (222) are sectors respectively diverging from the midpoint along the specular convex surface (2) to the left and right sides, no microlens is disposed on the lateral areas (222), and wherein the lateral areas (222) form adaptive gaps through the disposition of the left and right additional canceling microlenses on the first inner ring of the microlens set (3).

4. A multi-point through-focus lens according to claim 1, characterized in that the refractive powers of the outer ring refractive zone (21) and the inner ring refractive zone (23) are the same, and the refractive power of the middle ring refractive zone (22) is different from the refractive powers of the outer ring refractive zone (21) and the inner ring refractive zone (23) due to the influence of the microlens group (3).

5. A multi-point out-of-focus lens according to claim 1, wherein the microlens set (3) has six rings outward from the convex surface (2), and the amount of out-of-focus from the first inner ring to the sixth ring is 1.75, 1.81, 2, 2.41, 2.5 and 2.41 respectively when the final combined optical power of the lens is 0-300.

6. A multi-point out-of-focus lens as claimed in claim 1, wherein the microlens set (3) has six rings outward from the convex surface (2), and the amount of out-of-focus from the first inner ring to the sixth ring is 2.25, 2.31, 2.5, 2.91, 3 and 2.91 respectively when the final combined optical power of the lens is 300-600.

7. A multi-focus lens according to claim 1, wherein the microlens set (3) has six rings outward from the convex surface (2), and when the final combined optical power of the lens is above 600, the defocus amounts from the first inner ring to the sixth ring are respectively 2.5, 2.56, 2.75, 3.16, 3.25 and 3.16.