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Preparation method of ultrathin polarized lens, hardened lens and unhardened lens thereby

A polarizing lens and lens technology, applied in glasses/goggles, optics, optical components, etc., can solve the problems of thicker finished polarizers and easy shrinkage of polarizing films, etc., to reduce lens thickness, increase aesthetics, and reduce production costs Effect

Inactive Publication Date: 2016-08-24
ZENNI OPTICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to overcome the deficiencies of the above-mentioned prior art, the present invention provides a method for manufacturing polarized resin lenses, which mainly solves the problem that the finished product of the polarized film is too thick and the polarized film is easy to shrink.

Method used

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  • Preparation method of ultrathin polarized lens, hardened lens and unhardened lens thereby
  • Preparation method of ultrathin polarized lens, hardened lens and unhardened lens thereby
  • Preparation method of ultrathin polarized lens, hardened lens and unhardened lens thereby

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A method for preparing ultra-thin polarized lenses, at least comprising the steps of:

[0034] A. Lens pretreatment;

[0035] B. Adhesive polarizing layer: glue the polarizing film on the lens in step A on the front or rear surface of the lens;

[0036] C. Coating and hardening: harden the front or rear surface of the lens in step B through a spin coating machine, and then perform UV curing;

[0037] D. Lens coating: coating the front and rear surfaces of the lens in step C.

[0038] In the above examples, the lenses are unhardened lenses made of CR-39, KOC 1.56, PC or MR1.60, 1.67 and 1.74 or corresponding hardened lenses. The lens is an unhardened lens, and the lens needs to be cleaned before bonding the polarizing layer, and the front or rear surface of the polarizing layer is hardened by spin coating. In step B, the surface curvature baseline of the polarized light must be consistent with the surface curvature of the lens. After the polarizing film is pretreated,...

Embodiment 2

[0040] Such as figure 1 and 2 As shown, an ultra-thin non-hardened polarizing lens includes an inner coating layer 7, an inner substrate hardening layer 6, a resin substrate layer 4, an outer substrate hardening layer 2 and an outer coating film arranged sequentially from inside to outside Layer 1; the lens also includes a polarizing film layer 3 bonded on the outer surface of the resin substrate 4 .

[0041] In the above embodiment, there is also a non-film layer 5 between the resin substrate 4 and the inner substrate hardened layer 6 . Use the front surface 3 as the polarizing film layer, 4 as the resin lens, then 2 and 6 as the lens hardening layer, 1 and 7 as the lens coating layer, and 5 as the non-film layer; it is mainly implemented by the following methods:

[0042] 1. Lens pretreatment, clean the unhardened resin lens, and harden the back surface of the lens by spin coating;

[0043] 2. Adhere the polarizing film layer, place the resin lens of step A in a clean roo...

Embodiment 3

[0047] Such as image 3 and Figure 4 As shown, an ultra-thin non-hardened polarizing lens includes an inner coating layer 7, an inner substrate hardening layer 6, a resin substrate layer 4, an outer substrate hardening layer 2 and an outer coating film arranged sequentially from inside to outside Layer 1; the lens also includes a polarizing film layer 3 glued on the inner surface of the resin substrate 4.

[0048] In the above embodiment, a non-film layer 5 is also provided between the resin substrate 4 and the outer substrate hardening layer 2 .

[0049] If the surface after use is a polarizing film layer, it is mainly implemented by the following methods:

[0050] 1. Lens pretreatment, cleaning the unhardened resin lens, and hardening the front surface of the lens by spin coating;

[0051] 2. Adhesive polarizing layer: place the resin lens in step A in a dust-free clean room, and then glue the polarizing film on the back surface of the lens on the clean table;

[0052] ...

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Abstract

The invention discloses a preparation method of an ultrathin polarized lens. The preparation method comprises the following steps of: A, pretreatment of the lens; B, bonding of a polarized layer: bonding a polarized film on the front surface or the rear surface of the lens in the step A; C, plating of a hardening layer: correspondingly hardening the front surface or the rear surface of the lens in the step B by a spin-coating machine, and then carrying out UV (Ultraviolet) curing; and D, plating of films on the lens: plating films on the front surface and the rear surface of the lens in the step C. The preparation method disclosed by the invention has the advantages that the surface of the resin lens is polarized and hardened, so that the prepared lens has the advantages that the process is simple and stable, the service life of the lens is long, the production cost can be effectively reduced, the polarized film is not easily damaged in the subsequent processing process, the finished-product rate of the lens is high and simultaneously the lens is thinner and more beautiful.

Description

technical field [0001] The invention relates to the technical field of polarized lens manufacturing, in particular to a method for preparing an ultra-thin polarized lens and hardened lenses and non-hardened lenses prepared by using the method. Background technique [0002] Resin polarized lenses are a high-end brand of sunglasses. Due to their unique optical properties, they can effectively filter the glare of the sun shining on water, land or snow in equal directions. They are suitable for sea activities, skiing, driving or fishing. In the production process of polarizers, the manufacturing process of polarizing film is very important, but the current manufacturing process still has many shortcomings: [0003] 1. Polymeric polarizer: the polarizing film needs to be cured together with the resin, and the stretching or shrinking deformation of the polarizing film during the curing process will easily cause image distortion; [0004] 2. Polymerized polarized light has many sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02C7/12G02B1/14G02B5/30
CPCG02C7/12G02B5/3033
Inventor 刘锋
Owner ZENNI OPTICAL