CN219695585U

CN219695585U - Polarized lens

Info

Publication number: CN219695585U
Application number: CN202220961431.4U
Authority: CN
Inventors: 肖泽渝; 谢飞; 黄久清; 唐统添
Original assignee: Crystal Star Optical Materials Tech Co ltd
Current assignee: Crystal Star Optical Materials Tech Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2023-09-15
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to a polarized lens, which comprises a polarized base layer and polycarbonate stiffening layers arranged on two sides of the polarized base layer. According to the utility model, the polycarbonate hardening layer is used as the outer protective layer of the polarizing base layer, so that the polycarbonate material is good in stability, not easy to damp, excellent in temperature resistance, good in elasticity, capable of stably keeping the size and the bending degree when the production is finished, excellent in optical performance, excellent in impact resistance, easy to crack when TAC is impacted, and good in impact resistance, capable of being well suitable for various outdoor exercises, and high in applicability.

Description

Polarized lens

Technical Field

The utility model relates to the field of polarization technology, in particular to a polarized lens.

Background

Polarized lenses are lenses that allow only light of a particular polarization direction in natural light to pass through, and because of its filtering effect, darken when worn, and are commonly used in outdoor sports such as maritime activities, skiing, fishing, and driving. The polarized lens can effectively remove and filter scattered light in the light beam, so that the light can be thrown into an eye vision image on a light transmission shaft of a positive rail, the visual field is clear and natural, and the polarized lens has the principle like a shutter curtain, and the light is adjusted to be the same-direction light to enter a room, so that a scene naturally looks soft and does not dazzle. In order to better filter out a plurality of irregular light interferences, and avoid phenomena such as glare, thorn, etc., the polarized lens itself needs to have a certain arc bend (camber), if the polarized lens cannot be in an optical standard refractive state, the polarized effect is weakened, the image reality is affected, and the durability is poor.

Currently, the basic structure of a polarized lens includes a PVA (polyvinyl alcohol) layer in the middle and TAC (triacetyl cellulose) layers compounded on both upper and lower sides of the PVA layer. The PVA layer has polarization effect, however, PVA is easy to hydrolyze, so that in order to protect the physical properties of the polarized film, TAC films with high light transmittance, good water resistance and certain mechanical strength are respectively compounded on two sides of the PVA layer for protection, and the original polarized lens sheet is formed. In order to better meet the use requirement, a functional layer is usually compounded on the original polarizer, for example, a color matching layer (C-TAC film layer) made of TAC materials with different colors is compounded on the light source receiving surface, and for protection purposes, a hardening layer (HC-TAC film layer) is also compounded outside the color matching layer (C-TAC film layer) and outside the TAC layer facing to one surface of the glasses, and the color matching layer (C-TAC film layer) and the hardening layer (HC-TAC film layer) are adhered on the original polarized lens through the aqueous PVA adhesive layer, so that a complete polarized lens is formed.

However, TAC materials are easily layered when meeting water, are easily deformed at high temperature, and the polarized lens is easily flattened, so that the bending degree of the polarized lens is changed, and the polarized effect is affected.

Disclosure of Invention

In order to solve the problems that a polarized lens adopting a TAC material as a functional layer is easy to delaminate when meeting water and is easy to deform at high temperature, the utility model provides a polarized lens.

The polarized lens provided by the utility model adopts the following technical scheme:

a polarized lens comprises a polarized base layer and a polycarbonate hardening layer arranged on two sides of the polarized base layer.

Through adopting above-mentioned technical scheme, adopt the polycarbonate to add the hard layer as the outer protective layer of polarisation basic unit, polycarbonate material stability is good, is difficult for receiving the tide, and the temperature resistance can be excellent to polycarbonate material elasticity is good, can keep size and the camber when production is accomplished steadily, simultaneously, the optical property of polycarbonate material is excellent, in addition, the shock resistance of polycarbonate material is excellent, and TAC is easy cracked when receiving the impact, the shock resistance that the polycarbonate material is excellent can adapt to various outdoor exercises well, the suitability is strong.

Preferably, the polarizing base layer includes a PVA layer.

Preferably, the polarizing base layer further comprises TAC layers arranged on two sides of the PVA layer, and the polycarbonate hardening layer is arranged on one side, away from the PVA layer, of the TAC layers.

Preferably, a color matching layer is arranged between the TAC layer and the polycarbonate hardening layer.

Through adopting above-mentioned technical scheme, the colour mixing layer is used for changing the holistic colour of polarized lens, and the colour mixing layer sets up and is favorable to protecting the colour mixing layer through the polycarbonate hardening layer between TAC layer and polycarbonate hardening layer to reduce the possibility that the colour mixing layer is impaired and leads to polarized lens local area to appear the colour difference in the use.

Preferably, a first functional film layer is arranged between the TAC layer and the polycarbonate hardening layer.

Through adopting above-mentioned technical scheme, can set up the first functional rete that has different functions according to actual demand when practical application to improve polarized lens's performance in order to improve polarized lens's suitability.

Preferably, the polycarbonate stiffening layer is a colored layer.

Through adopting above-mentioned technical scheme, directly with the polycarbonate rigidified layer as the colour layer in order to carry out the mixing of colors of polarized lens can reduce the holistic layer structure of polarized lens, make the lens thinner, the cost is lower, also more be convenient for production.

Preferably, the PVA layer is a colored layer.

Through adopting above-mentioned technical scheme, directly with the polycarbonate add the hard layer as colored layer in order to carry out the colour mixing of polarized lens can reduce the holistic layer structure of polarized lens, make the lens thinner, the cost is lower, also more be convenient for produce to PVA layer is located between the polycarbonate adds the hard layer, also is favorable to protecting colored layer, has reduced the colored layer impaired and has led to the possibility that the colour difference appears in polarized lens local area in the use.

Preferably, the polycarbonate hardening layer is provided with a second functional film layer and a second hardening layer on one surface facing away from the polarizing base layer, and the second functional film layer is located between the polycarbonate hardening layer and the second hardening layer.

Through adopting above-mentioned technical scheme, add hard layer with the polycarbonate as interior protective layer, the second functional rete is used for improving the performance of polarized lens according to the practical application demand, and the second adds hard layer and protects the second functional rete as outer protective layer, has reduced the impaired possibility of second functional rete.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the polycarbonate hardening layer is used as an outer protective layer of the polarizing base layer, so that the polycarbonate material is good in stability, not easy to damp, excellent in temperature resistance, good in elasticity, capable of stably keeping the size and the bending degree when the production is finished, excellent in optical performance, excellent in impact resistance, easy to crack when TAC is impacted, good in impact resistance, capable of being well suitable for various outdoor exercises, and high in applicability;

2. when the method is applied, the polycarbonate hardening layer can be directly used as a colored layer to carry out color mixing on the polarized lens, so that the overall layer structure of the polarized lens can be reduced, the lens is thinner, the cost is lower, and the production is more convenient;

3. when the method is applied, the polycarbonate hardening layer can be directly used as the colored layer to carry out color mixing of the polarized lens, so that the overall layer structure of the polarized lens can be reduced, the lens is thinner, the cost is lower, the production is also more convenient, the PVA layer is positioned between the polycarbonate hardening layers, the colored layer is also protected, and the possibility of chromatic aberration in a local area of the polarized lens caused by damage of the colored layer in the use process is reduced;

4. when the anti-damage protective film is applied, the polycarbonate hardening layer can be used as an inner protection layer to be arranged on the inner side of the second functional film layer and the inner side of the second hardening layer, the second functional film layer is used for improving the performance of the polarized lens according to practical application requirements, and the second hardening layer is used as an outer protection layer to protect the second functional film layer, so that the possibility of damage of the second functional film layer is reduced, and the stability of the polarized lens can be improved.

Drawings

FIG. 1 is a schematic diagram of a polarized lens in embodiment 1 of the present utility model;

FIG. 2 is a schematic diagram of a polarized lens in embodiment 2 of the present utility model;

FIG. 3 is a schematic diagram of a polarized lens in embodiment 3 of the present utility model;

FIG. 4 is a schematic diagram of a polarized lens in embodiment 4 of the present utility model;

FIG. 5 is a schematic view of a polarized lens in embodiment 5 of the present utility model;

FIG. 6 is a schematic diagram of a polarized lens in embodiment 6 of the present utility model;

FIG. 7 is a schematic view of a polarized lens in embodiment 7 of the present utility model;

FIG. 8 is a schematic view of a polarized lens in embodiment 8 of the present utility model;

FIG. 9 is a schematic diagram of a polarized lens in embodiment 9 of the present utility model;

FIG. 10 is a schematic diagram of a polarized lens in embodiment 10 of the present utility model;

FIG. 11 is a schematic view showing the structure of a polarized lens in embodiment 11 of the present utility model;

FIG. 12 is a schematic view showing the structure of a polarized lens in embodiment 12 of the present utility model;

FIG. 13 is a schematic view showing the structure of a polarized lens in example 13 of the present utility model;

FIG. 14 is a schematic view showing the structure of a polarized lens in example 14 of the present utility model;

FIG. 15 is a schematic view showing the structure of a polarized lens in embodiment 15 of the present utility model;

FIG. 16 is a schematic view showing the structure of a polarized lens in embodiment 16 of the utility model;

reference numerals illustrate: 11. a PVA layer; 12. a TAC layer; 2. a polycarbonate stiffening layer; 3. a color matching layer; 4. a first functional film layer; 5. a second functional film layer; 6. and a second stiffening layer.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model, wherein the specific size, shape of the product can be adjusted and optimized according to the actual application scenario.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a polarized lens.

Example 1

Referring to fig. 1, the polarized lens includes a polarized base layer and a polycarbonate stiffening layer 2 compounded on both sides of the polarized base layer.

The polarizing base layer consists of a PVA layer 11 in the middle and TAC layers 12 compounded on two sides of the PVA layer 11, and the polycarbonate stiffening layer 2 is compounded on one side of the TAC layer 12, which is away from the PVA layer 11, through UV glue.

The implementation principle of the embodiment 1 is as follows: adopt polycarbonate hardening layer 2 as the protective layer of polarisation basic unit, compare in HC-TAC rete, polycarbonate material stability is good, is difficult for receiving the tide, and the temperature resistance is excellent, and polycarbonate material elasticity is good, size and the camber when can stably keeping production completion, simultaneously, the optical property of polycarbonate material is excellent, in addition, the shock resistance of polycarbonate material is excellent, and TAC material is easy cracked when receiving the impact, the shock resistance of polycarbonate material is excellent can adapt to various outdoor exercises well, the suitability is strong. The polarized lens of the embodiment adopts UV glue to compound the polycarbonate hardening layer 2, and the UV glue has better adhesiveness to polycarbonate materials, so that the whole structure of the polarized lens is more stable.

Example 2

Referring to fig. 2, the difference between this embodiment and embodiment 1 is that a color matching layer 3 is compounded between a TAC layer 12 located on the light source receiving surface side of the polarized lens and a polycarbonate hardening layer 2, the color matching layer 3 is made of TAC, and the polycarbonate hardening layer 2 is compounded on the color matching layer 3 through UV glue. The polarized lens light source receiving surface is the surface far away from eyes when the polarized lens is worn.

The implementation principle of the embodiment 2 is as follows: the color matching layer 3 is used for changing the overall color of the polarized lens, and the color matching layer 3 is arranged between the TAC layer 12 and the polycarbonate hardening layer 2, so that the color matching layer 3 is protected by the polycarbonate hardening layer 2, and the possibility of color difference in local areas of the polarized lens caused by damage of the color matching layer 3 in the use process is reduced.

Example 3

Referring to fig. 3, this embodiment is different from embodiment 2 in that a color matching layer 3 is compounded between a TAC layer 12 located on the light-transmitting surface side of a polarized lens light source and a polycarbonate stiffening layer 2. The light source outgoing surface of the polarized lens is the surface close to eyes when the polarized lens is worn.

Example 4

Referring to fig. 4, the difference between the present embodiment and embodiment 1 is that a first functional film layer 4 is compounded between the TAC layer 12 and the polycarbonate stiffening layer 2 on the light source receiving surface side of the polarized lens. According to the actual application requirement, the first functional film layer 4 may be one or more of an anti-glare layer, an anti-reflection layer, an anti-static layer, a stiffening layer and an anti-fingerprint layer, and the requirements during the actual application are specifically combined freely, which is not limited in this embodiment.

The implementation principle of the embodiment 4 is as follows: the first functional film layers 4 with different functions can be arranged according to actual requirements in practical application, so that the performance of the polarized lens is improved, and the applicability of the polarized lens is improved.

Example 5

Referring to fig. 5, the present embodiment is different from embodiment 4 in that the first functional film layer 4 is compounded between the TAC layer 12 and the polycarbonate stiffening layer 2 on the light-transmitting surface side of the polarized lens light source.

Example 6

Referring to fig. 6, this embodiment is different from embodiment 2 in that a first functional film layer 4 is compounded between the color matching layer 3 and the polycarbonate hard layer 2. According to the actual application requirement, the first functional film layer 4 may be one or more of an anti-glare layer, an anti-reflection layer, an anti-static layer, a stiffening layer and an anti-fingerprint layer, and the requirements during the actual application are specifically combined freely, which is not limited in this embodiment.

Example 7

Referring to fig. 7, the present embodiment is different from embodiment 6 in that the first functional film layer 4 is compounded between the TAC layer 12 and the color matching layer 3 on the polarized lens light source receiving surface side.

Example 8

Referring to fig. 8, the present embodiment is different from embodiment 6 in that the first functional film layer 4 is compounded between the TAC layer 12 and the polycarbonate stiffening layer 2 on the light-transmitting surface side of the polarized lens light source.

Example 9

Referring to fig. 9, this embodiment is different from embodiment 3 in that a first functional film layer 4 is compounded between the color matching layer 3 and the polycarbonate hard layer 2. According to the actual application requirement, the first functional film layer 4 may be one or more of an anti-glare layer, an anti-reflection layer, an anti-static layer, a stiffening layer and an anti-fingerprint layer, and the requirements during the actual application are specifically combined freely, which is not limited in this embodiment.

Example 10

Referring to fig. 10, the present embodiment is different from embodiment 9 in that the first functional film layer 4 is compounded between the TAC layer 12 and the color matching layer 3 on the light-transmitting surface side of the polarized lens light source.

Example 11

Referring to fig. 11, the present embodiment is different from embodiment 9 in that the first functional film layer 4 is compounded between the TAC layer 12 located on the light source receiving surface side of the polarized lens and the polycarbonate stiffening layer 2.

Example 12

Referring to fig. 12, the polarized lens includes a polarized base layer composed of a PVA layer 11 in the middle and TAC layers 12 laminated on both sides of the PVA layer 11, and a polycarbonate stiffening layer 2 laminated on both sides of the polarized base layer.

Wherein, the polycarbonate hardening layer 2 positioned on the light-emitting surface side of the polarized lens light source is a colored layer. In other embodiments, the polycarbonate stiffening layer 2 on the light source receiving side of the polarized lens may also be provided as a colored layer.

The implementation principle of example 12 is: directly regard as the colour layer with polycarbonate rigidification layer 2 in order to carry out the mixing of colors of polarized lens can reduce the holistic layer structure of polarized lens, make the lens thinner, the cost is lower, also more be convenient for production.

Example 13

Referring to fig. 13, the polarized lens includes a polarized base layer, which is a PVA layer 11, and a polycarbonate stiffening layer 2 compounded on both sides of the polarized base layer. Wherein, the polycarbonate hardening layer 2 positioned on the light-emitting surface side of the polarized lens light source is a colored layer. In other embodiments, the polycarbonate stiffening layer 2 on the light source receiving side of the polarized lens may also be provided as a colored layer.

Example 14

Referring to fig. 14, the polarized lens includes a polarized base layer, which is a PVA layer 11, and a polycarbonate stiffening layer 2 compounded on both sides of the polarized base layer, the PVA layer 11 being a colored layer.

The principle of embodiment 14 is as follows: directly regard as the color layer with polycarbonate rigidifying layer 2 to carry out the mixing of colors of polarized lens can reduce the holistic layer structure of polarized lens, makes the lens thinner, and the cost is lower, also more be convenient for production to PVA layer 11 is located between the polycarbonate rigidifying layer 2, also is favorable to protecting the color layer, has reduced the possibility that the color layer is impaired and leads to polarized lens local area to appear the colour difference in the use.

Example 15

Referring to fig. 15, this embodiment differs from embodiment 14 in that: the polycarbonate hardening layer 2 that is located polarized lens light source receiving surface one side is provided with second function rete 5 and second hardening layer 6 that deviates from the one side of polarized light basic unit, and second function rete 5 is located between polycarbonate hardening layer 2 and the second hardening layer 6.

According to practical application requirements, the second functional film layer 5 may be one or more of an anti-glare layer, an anti-reflection layer, an anti-static layer, a stiffening layer and an anti-fingerprint layer, and is specifically freely combined according to practical application requirements, which is not limited in this embodiment.

The principle of embodiment 15 is as follows: the polycarbonate hardening layer 2 is used as an inner protection layer, the second functional film layer 5 is used for improving the performance of the polarized lens according to practical application requirements, and the second hardening layer 6 is used as an outer protection layer for protecting the second functional film layer 5, so that the possibility of damage of the second functional film layer 5 is reduced.

Example 16

Referring to fig. 16, this embodiment differs from embodiment 15 in that: the second functional film layer 5 and the second hardening layer 6 are compounded on one surface of the polycarbonate hardening layer 2, which is positioned on one side of the light-transmitting surface of the polarized lens light source and is away from the polarized base layer.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A polarized lens, characterized in that: comprises a polarized light base layer and a polycarbonate hardening layer (2) arranged on two sides of the polarized light base layer; the polarizing base layer includes a PVA layer (11); the polarizing base layer further comprises a TAC layer (12) arranged on two sides of the PVA layer (11), and the polycarbonate hardening layer (2) is arranged on one side, away from the PVA layer (11), of the TAC layer (12); a color matching layer (3) is arranged between the TAC layer (12) and the polycarbonate hardening layer (2).

2. The polarized lens of claim 1, wherein: a first functional film layer (4) is arranged between the TAC layer (12) and the polycarbonate stiffening layer (2).

3. The polarized lens of claim 1, wherein: the polycarbonate hardening layer (2) is a colored film layer.

4. The polarized lens of claim 1, wherein: the PVA layer (11) is a colored film layer.

5. The polarized lens of claim 1, wherein: the one side that polycarbonate hardening layer (2) deviates from the polarisation basic unit is provided with second function rete (5) and second hardening layer (6), second function rete (5) are located between polycarbonate hardening layer (2) and second hardening layer (6).