阅读说明：本技术 一种用于制造曲面电致变色镜片的工艺 (Process for manufacturing curved surface electrochromic lens ) 是由 陈烨玥 童彬彬 马广剑 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种用于制造曲面电致变色镜片的工艺,其特征在于,包括如下步骤：步骤一、将盖板玻璃热弯；步骤二、在基板上镀电致变色薄膜；步骤三、将基板与热弯好的盖板贴合,步骤三包括：S1、涂布胶层并预固化：在基板的镀膜表面涂布胶层,预固化胶层；S2、利用曲面贴合治具进行全贴合：将带有胶层的基板置于曲面贴合治具中,使基板变为与曲面玻璃曲率相同的曲面结构,将基板与曲面玻璃贴合,形成半成品镜片,通过上述设置,在平面的基板上进行镀膜,工艺较为简单,生产成本低。(The invention discloses a process for manufacturing a curved surface electrochromic lens, which is characterized by comprising the following steps of: step one, hot bending cover plate glass; step two, plating an electrochromic film on the substrate; step three, attaching the substrate to the hot bent cover plate, wherein the step three comprises the following steps: s1, coating a glue layer and pre-curing: coating a glue layer on the surface of the coating film of the substrate, and pre-curing the glue layer; s2, carrying out full lamination by utilizing a curved surface lamination jig: the substrate with the adhesive layer is placed in the curved surface laminating jig, the substrate is changed into a curved surface structure with the same curvature as that of the curved surface glass, the substrate and the curved surface glass are laminated to form a semi-finished lens, and through the arrangement, film coating is carried out on the planar substrate, so that the process is simple, and the production cost is low.)

1. A process for manufacturing a curved electrochromic lens, comprising the steps of:

step one, hot bending the cover plate glass (2) to form curved surface glass;

step two, plating an electrochromic film on the substrate (1);

step three, attaching the substrate (1) to the hot bent cover plate,

the third step comprises:

s1, coating a glue layer and pre-curing: coating a glue layer on the surface of the coating film of the substrate (1) and pre-curing the glue layer;

s2, carrying out full lamination by utilizing a curved surface lamination jig: and placing the substrate (1) with the adhesive layer into a curved surface laminating jig, so that the substrate (1) is changed into a curved surface structure with the same curvature as that of the curved surface glass, and laminating the substrate (1) with the curved surface glass to form a semi-finished lens.

2. The process for manufacturing a curved electrochromic lens according to claim 1, characterized in that liquid optical cement is used in the step three of fitting.

3. The process for manufacturing a curved electrochromic lens according to claim 1, characterized in that the curved application jig has the same curvature as the cover glass (2).

4. The process for manufacturing a curved electrochromic lens according to claim 1, wherein a vacuum environment is used for the fitting in S2.

5. The process for manufacturing a curved electrochromic lens according to claim 1, wherein medium-frequency unbalanced magnetron sputtering is adopted in step two, and the step two sequentially comprises the processes of spraying the first transparent electrode layer (3), spraying the electrochromic layer (4), spraying the ion conducting layer (5), spraying the ion storage layer (6) and spraying the second transparent electrode layer (7).

6. Process for manufacturing curved electrochromic lenses according to claim 6, characterized in that WO doped with Ti is used for the electrochromic layer (4)₃The mass ratio of Ti to W in the electrochromic layer (4) is 1: 10-1: 50.

7. process for manufacturing curved electrochromic lenses according to claim 1, characterised in that the cover glass (2) is hot-bent using isostatic graphite molds of a multi-mould structure.

8. The process for manufacturing the curved electrochromic lens according to claim 7, wherein the isostatic graphite mold comprises an upper mold (8), a middle frame (9), a lower mold (10) and a pressing block (11), the middle frame (9) is used for limiting the cover glass (2), the upper mold (8) is provided with a pressing hole for the pressing block (11) to pass through, and the pressing block (11) bends the cover glass (2) and heats the mold for hot bending; the isostatic pressing graphite mould further comprises a limiting cushion block (12), the pressing block (11) comprises a positioning edge, the limiting cushion block (12) is located between the positioning edge and the upper mould (8), and the isostatic pressing graphite mould is used as a curved surface laminating jig in S2 and used for laminating the coated rear substrate (1) and the cover plate glass (2).

9. Process for manufacturing curved electrochromic lenses according to any of claims 1 to 8, characterized in that it comprises the following steps:

firstly, hot bending cover plate glass (2) in an isostatic pressing graphite mold, wherein the isostatic pressing graphite mold comprises an upper mold (8), a middle frame (9), a lower mold (10) and a pressing block (11), the middle frame (9) is used for limiting the cover plate glass (2), a pressing hole for the pressing block (11) to pass through is formed in the upper mold (8), the pressing block (11) bends the cover plate glass (2), the mold is heated to be hot bent, the cover plate glass (2) is cooled after being hot bent, and the cover plate glass (2) is placed at the lower mold (10) for standby;

plating an electrochromic film on the substrate (1) by using medium-frequency unbalanced magnetron sputtering, wherein the step comprises the working procedures of spraying a first transparent electrode layer (3), spraying an electrochromic layer (4), spraying an ion conducting layer (5), spraying an ion storage layer (6) and spraying a second transparent electrode layer (7);

step three, attaching the substrate (1) to the hot-bent cover plate, coating a liquid optical adhesive layer on the coating surface of the substrate (1), and pre-curing the adhesive layer; the method comprises the steps of placing a substrate (1) with a glue layer on cover plate glass (2) in an isostatic graphite mold, enabling the glue layer to face the cover plate glass (2), positioning the substrate (1) by a middle frame (9), placing the isostatic graphite mold in a processing occasion, vacuumizing, pressing down through a pressing block (11), enabling the substrate (1) to be of a curved surface structure with the same curvature as that of the curved surface glass, and attaching the substrate (1) to the curved surface glass to form a semi-finished lens.

10. Process for manufacturing curved electrochromic lenses according to claim 9, characterised in that in step three the press block (11) is provided with pressure and heat by means of a hot pressing device while being pressed down.

Technical Field

The invention relates to the technical field of electrochromic lenses, in particular to a process for manufacturing a curved surface electrochromic lens.

Background

With the change of science and technology, various special materials are developed in large quantities; the electrochromic element is structurally a multi-layer electrochemical device, voltage is applied to the element, substances in the element generate reversible reaction of oxidation or reduction to cause the phenomenon of color change, the electrochromic element can be used in daily life, and if external sunlight is too strong or the inside of the electrochromic element is secret, the transmittance of glass can be changed by applying the technology.

At present, chinese patent publication No. CN109402561B discloses a method for electrodeposition of WO on a discontinuous conductive film₃A method of a film relates to functional material technology. WO is sputtered on the surface of the PET film by utilizing a magnetron sputtering technology₃Obtaining WO₃A PET film; obtaining a PVA nano-fiber net through electrostatic spinning, forming metal silver coating on the surface of the PVA nano-fiber net, removing a PVA template to obtain a nano-groove conductive grid, and transferring the nano-groove conductive grid to the obtained WO₃On a PET film, obtaining a composite film; magnetron sputtering WO on composite film₃The top-level layer forms a transparent conductive substrate with a sandwich structure; preparation of WO on transparent conductive substrate with sandwich structure by electrochemical deposition method₃A color-changing layer for performing electrodeposition of WO on the discontinuous conductive film₃A film. Not only saves the cost, but also ensures that the discontinuous conductive film with high transmittance is applied to an electrochemical deposition method.

The above method can deposit WO on the conductive film₃However, when the film is deposited on a lens made of a non-conductive material such as a glass material, the film is inconvenient to use, and the problem that how to finish the curved surface coating of the electrochromic lens is not completely solved because lenses such as sunglasses, mobile phone curved screens and the like are curved surface lenses.

Disclosure of Invention

The invention aims to provide a process for manufacturing a curved electrochromic lens, which has the advantages of being used for preparing the curved lens, simple in production process and capable of being realized.

The technical purpose of the invention is realized by the following technical scheme:

a process for manufacturing a curved electrochromic lens comprising the steps of:

step one, hot bending cover plate glass to form curved surface glass;

step two, plating an electrochromic film on the substrate;

step three, attaching the base plate and the cover plate which is subjected to hot bending,

the third step comprises:

s1, coating a glue layer and pre-curing: coating a glue layer on the surface of the coating film of the substrate, and pre-curing the glue layer;

s2, carrying out full lamination by utilizing a curved surface lamination jig: and placing the substrate with the adhesive layer in a curved surface laminating jig, enabling the substrate to be in a curved surface structure with the same curvature as that of the curved surface glass, and laminating the substrate and the curved surface glass to form a semi-finished lens.

Further setting: and in the third step, liquid optical cement is adopted during the bonding.

By adopting the technical scheme, the liquid optical adhesive is colorless and transparent, has the transmittance of more than 98 percent and good bonding strength, and can be cured at normal temperature or medium temperature. And simultaneously has the characteristics of small curing shrinkage rate, yellowing resistance and the like.

Further setting: the curved surface attaching jig has the same curvature as that of the cover plate glass.

By adopting the technical scheme, the coating is carried out on the planar substrate, the process is simpler, and the production cost is low.

Further setting: and in the step S2, a vacuum environment is adopted during fitting.

Through adopting above-mentioned technical scheme, vacuum environment avoids the bubble to produce, improves the yield.

Further setting: when the cover plate glass is hot-bent, an isostatic pressing graphite mold with a multi-mold structure is adopted.

By adopting the technical scheme, the isostatic pressing graphite has good thermal stability, wear resistance, corrosion resistance, self-lubrication, thermal conductivity and thermal expansion coefficient similar to that of hot bending glass. The good thermal stability can ensure that the die does not generate obvious deformation in repeated use at high and low temperatures. The wear resistance and the corrosion resistance are beneficial to reducing the defects of fine falling, pits and the like on the surface of the die. The self-lubricating property ensures that the glass does not adhere to the mould during the hot bending process and demoulding. The good thermal conductivity is beneficial to the rapid and uniform heating of the glass, so that the hot bending process time is shortened, the production efficiency is improved, and the uniform heating is beneficial to avoiding the hot bending defect of the glass. Has good processability, economy and sustainable supply, thereby obtaining better cost performance and ensuring timely supply in mass production.

Further setting: the isostatic pressing graphite mould comprises an upper mould, a middle frame, a lower mould and a pressing block, wherein the middle frame is used for limiting the cover plate glass, a pressing hole for the pressing block to pass through is formed in the upper mould, and the pressing block bends the cover plate glass and heats the mould for hot bending; the isostatic pressing graphite mould further comprises a limiting cushion block, the pressing block comprises a positioning edge, the limiting cushion block is located between the positioning edge and the upper mould, and the isostatic pressing graphite mould is used as a curved surface laminating jig in S2 and used for laminating the coated rear substrate and the cover plate glass.

Through adopting above-mentioned technical scheme, regard isostatic pressing graphite jig as the mould use in step one and step three simultaneously, saved the use of mould to reduced because cover plate glass changes the mould to and the structural error that the mould error leads to around, improved structure precision to the product structure, and need not to design the tool in addition, reduce cost, convenient to use.

Further setting: and step two, adopting medium-frequency unbalanced magnetron sputtering, wherein the step two sequentially comprises the working procedures of spraying the first transparent electrode layer, spraying the electrochromic layer, spraying the ion conducting layer, spraying the ion storage layer and spraying the second transparent electrode layer.

By adopting the technical scheme, the film prepared by medium-frequency glow discharge has high quality, basically has no large particles compared with direct-current discharge, is delicate, has the film forming quality close to that of radio-frequency glow discharge, and can completely meet the application requirements of most fields; the film forming speed of the medium-frequency glow discharge is much higher than that of the radio-frequency discharge, and is basically similar to that of the direct-current glow discharge; the medium-frequency glow discharge can overcome the target poisoning phenomenon which often occurs in a direct-current discharge state, namely, the disappearance phenomenon of the anode caused by the oxide film formed on the surface of the anode due to the oxidation in a reactive sputtering state can be avoided; the intermediate frequency power supply has low manufacturing cost, can realize high-power industrial application, and has simpler operation, maintenance and equipment manufacture compared with a radio frequency power supply device. The film forming quality is further improved by combining new processes such as twin unbalanced magnetron sputtering and the like. Compared with a radio frequency power supply, the intermediate frequency power supply has the advantages of low frequency, no high-frequency radiation, relatively simple power supply structure and low price.

Further setting: the electrochromic layer adopts WO doped with Ti₃The mass ratio of Ti to W in the electrochromic layer is 1: 10-1: 50.

by adopting the technical scheme, compared with a pure WO3 film, the electrochromic layer formed by doping W with Ti has the advantages that under the same conditions, the crystallization degree is reduced, the crystal grains are refined, the ion access channels are increased, the coloring response speed is increased, and the cycle life can be prolonged due to the titanium substitution effect.

Further setting: the method comprises the following steps:

the method comprises the following steps that firstly, cover plate glass is hot-bent in an isostatic pressing graphite mold, the isostatic pressing graphite mold comprises an upper mold, a middle frame, a lower mold and a pressing block, the middle frame is used for limiting the cover plate glass, a pressing hole for the pressing block to pass through is formed in the upper mold, the pressing block bends the cover plate glass, the mold is heated to be hot-bent, the cover plate glass is cooled after being hot-bent, and the cover plate glass is placed at the lower mold for standby application;

plating an electrochromic film on the substrate by using medium-frequency unbalanced magnetron sputtering, wherein the step comprises the working procedures of spraying a first transparent electrode layer, spraying an electrochromic layer, spraying an ion conducting layer, spraying an ion storage layer and spraying a second transparent electrode layer;

step three, attaching the substrate and the hot-bent cover plate, coating a liquid optical adhesive layer on the coating surface of the substrate, and pre-curing the adhesive layer; the method comprises the steps of placing a substrate with a glue layer on cover plate glass in an isostatic graphite mold, enabling the glue layer to face the cover plate glass, positioning the substrate by a middle frame, placing the isostatic graphite mold in a processing occasion, vacuumizing, pressing down through a pressing block to enable the substrate to be of a curved surface structure with the same curvature as that of the curved surface glass, and attaching the substrate and the curved surface glass to form a semi-finished lens.

Further setting: and step three, the pressing block provides pressure and heat through hot pressing equipment when being pressed downwards.

By adopting the technical scheme, the temperature is applied to the substrate, so that the molecular motion of the substrate and the coated film is intensified, the deformation capacity is improved, and the attachment is promoted.

Drawings

FIG. 1 is a schematic structural diagram of a curved electrochromic lens;

fig. 2 is a schematic sectional structure view of a graphite mold.

In the figure, 1, a substrate; 2. cover plate glass; 3. a first transparent electrode layer; 4. an electrochromic layer; 5. an ion conducting layer; 6. an ion storage layer; 7. a second transparent electrode layer; 8. an upper die; 9. a middle frame; 10. a lower die; 11. briquetting; 12. and limiting cushion blocks.

Detailed Description

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

Example 1:

a process for manufacturing a curved electrochromic lens, with reference to fig. 1, comprising the following steps:

step one, hot bending the cover plate glass 2, wherein an isostatic pressing graphite mould with a multi-mould structure is adopted during hot bending;

step two, plating an electrochromic film on the substrate 1,

adopting medium-frequency unbalanced magnetron sputtering, comprising the procedures of spraying a first transparent electrode layer 3, spraying an electrochromic layer 4, spraying an ion conducting layer 5, spraying an ion storage layer 6 and spraying a second transparent electrode layer 7, wherein the electrochromic layer 4 is WO₃The target materials adopted by the first transparent electrode layer 3 and the second transparent electrode layer 7 are ITO; the target material adopted by the ion conducting layer 5 is Li; the ion storage layer 6 adopts a Ni material target material;

step three, attaching the base plate 1 to the cover plate which is subjected to hot bending,

step three comprises S1, coating a glue layer and pre-curing: coating a liquid optical adhesive layer on the coating surface of the substrate 1, and pre-curing the adhesive layer; s2, carrying out full lamination by utilizing a curved surface lamination jig: and (2) placing the substrate 1 with the adhesive layer into a curved surface laminating jig, wherein the curved surface laminating jig has the same curvature as the cover plate glass 2, so that the substrate 1 is changed into a curved surface structure with the same curvature as the curved surface glass, and laminating the substrate 1 and the curved surface glass in a vacuum environment to form a semi-finished lens.

Example 2:

a process for manufacturing a curved electrochromic lens, with reference to fig. 1 and 2, comprising the following steps:

firstly, hot bending a cover glass 2 in an isostatic pressing graphite mold, wherein the isostatic pressing graphite mold comprises an upper mold 8, a middle frame 9, a lower mold 10 and a pressing block 11, the middle frame 9 is used for limiting the cover glass 2, a pressing hole for the pressing block 11 to pass through is formed in the upper mold 8, the pressing block 11 presses and bends the cover glass 2, the mold is heated to be hot bent, the cover glass 2 is cooled after being hot bent, and the cover glass 2 is placed at the lower mold 10 for standby application;

plating an electrochromic film on the substrate 1 by using medium-frequency unbalanced magnetron sputtering, wherein the step comprises the working procedures of spraying a first transparent electrode layer 3, spraying an electrochromic layer 4, spraying an ion conducting layer 5, spraying an ion storage layer 6 and spraying a second transparent electrode layer 7, and the electrochromic layer 4 is made of Ti-doped WO₃The mass ratio of Ti to W is 1: 10, the target materials adopted by the first transparent electrode layer 3 and the second transparent electrode layer 7 are ITO; the target material adopted by the ion conducting layer 5 is Li; the ion storage layer 6 adopts a Ni material target material;

step three, attaching the substrate 1 to the hot-bent cover plate, coating a liquid optical adhesive layer on the coating surface of the substrate 1, and pre-curing the adhesive layer; the method comprises the steps of placing a substrate 1 with a glue layer on a cover plate glass 2 in an isostatic graphite mold, enabling the glue layer to face the cover plate glass 2, positioning the substrate 1 by a middle frame 9, placing the isostatic graphite mold in a processing occasion, vacuumizing, pressing down through a pressing block 11, enabling the substrate 1 to be of a curved surface structure with the same curvature as that of curved surface glass, and attaching the substrate 1 and the curved surface glass to form a semi-finished lens.

Example 3:

a process for manufacturing a curved electrochromic lens, with reference to fig. 1 and 2, comprising the following steps:

firstly, hot bending a cover glass 2 in an isostatic pressing graphite mold, wherein the isostatic pressing graphite mold comprises an upper mold 8, a middle frame 9, a lower mold 10 and a pressing block 11, the middle frame 9 is used for limiting the cover glass 2, a pressing hole for the pressing block 11 to pass through is formed in the upper mold 8, the pressing block 11 presses and bends the cover glass 2, the mold is heated to be hot bent, the cover glass 2 is cooled after being hot bent, and the cover glass 2 is placed at the lower mold 10 for standby application;

plating an electrochromic film on the substrate 1 by using medium-frequency unbalanced magnetron sputtering, wherein the step comprises the working procedures of spraying a first transparent electrode layer 3, spraying an electrochromic layer 4, spraying an ion conducting layer 5, spraying an ion storage layer 6 and spraying a second transparent electrode layer 7, and the electrochromic layer 4 is made of Ti-doped WO₃The mass ratio of Ti to W is 1: 20, the target materials adopted by the first transparent electrode layer 3 and the second transparent electrode layer 7 are ITO; the target material adopted by the ion conducting layer 5 is Li; the ion storage layer 6 adopts a Ni material target material;

step three, attaching the substrate 1 to the hot-bent cover plate, coating a liquid optical adhesive layer on the coating surface of the substrate 1, and pre-curing the adhesive layer; the method comprises the steps of placing a substrate 1 with a glue layer on a cover plate glass 2 in an isostatic graphite mold, enabling the glue layer to face the cover plate glass 2, positioning the substrate 1 by a middle frame 9, placing the isostatic graphite mold in a processing occasion, vacuumizing, pressing down through a pressing block 11, enabling the substrate 1 to be of a curved surface structure with the same curvature as that of curved surface glass, and attaching the substrate 1 and the curved surface glass to form a semi-finished lens.

Example 4:

a process for manufacturing a curved electrochromic lens, with reference to fig. 1 and 2, comprising the following steps:

firstly, hot bending a cover glass 2 in an isostatic pressing graphite mold, wherein the isostatic pressing graphite mold comprises an upper mold 8, a middle frame 9, a lower mold 10 and a pressing block 11, the middle frame 9 is used for limiting the cover glass 2, a pressing hole for the pressing block 11 to pass through is formed in the upper mold 8, the pressing block 11 presses and bends the cover glass 2, the mold is heated to be hot bent, the cover glass 2 is cooled after being hot bent, and the cover glass 2 is placed at the lower mold 10 for standby application;

step two, plating an electrochromic film on the substrate 1 by using medium-frequency unbalanced magnetron sputtering, and packagingSpraying a first transparent electrode layer 3, spraying an electrochromic layer 4, spraying an ion conducting layer 5, spraying an ion storage layer 6 and spraying a second transparent electrode layer 7, wherein the electrochromic layer 4 is made of Ti-doped WO₃The mass ratio of Ti to W is 1: 30, the target materials adopted by the first transparent electrode layer 3 and the second transparent electrode layer 7 are ITO; the target material adopted by the ion conducting layer 5 is Li; the ion storage layer 6 adopts a Ni material target material;

step three, attaching the substrate 1 to the hot-bent cover plate, coating a liquid optical adhesive layer on the coating surface of the substrate 1, and pre-curing the adhesive layer; the method comprises the steps of placing a substrate 1 with a glue layer on a cover plate glass 2 in an isostatic graphite mold, enabling the glue layer to face the cover plate glass 2, positioning the substrate 1 by a middle frame 9, placing the isostatic graphite mold in a processing occasion, vacuumizing, pressing down through a pressing block 11, enabling the substrate 1 to be of a curved surface structure with the same curvature as that of curved surface glass, and attaching the substrate 1 and the curved surface glass to form a semi-finished lens.

Example 5:

a process for manufacturing a curved electrochromic lens, with reference to fig. 1 and 2, comprising the following steps:

firstly, hot bending a cover glass 2 in an isostatic pressing graphite mold, wherein the isostatic pressing graphite mold comprises an upper mold 8, a middle frame 9, a lower mold 10 and a pressing block 11, the middle frame 9 is used for limiting the cover glass 2, a pressing hole for the pressing block 11 to pass through is formed in the upper mold 8, the pressing block 11 presses and bends the cover glass 2, the mold is heated to be hot bent, the cover glass 2 is cooled after being hot bent, and the cover glass 2 is placed at the lower mold 10 for standby application;

plating an electrochromic film on the substrate 1 by using medium-frequency unbalanced magnetron sputtering, wherein the step comprises the working procedures of spraying a first transparent electrode layer 3, spraying an electrochromic layer 4, spraying an ion conducting layer 5, spraying an ion storage layer 6 and spraying a second transparent electrode layer 7, and the electrochromic layer 4 is made of Ti-doped WO₃The mass ratio of Ti to W is 1: 50, the target materials adopted by the first transparent electrode layer 3 and the second transparent electrode layer 7 are ITO; the target material adopted by the ion conducting layer 5 is Li; the ion storage layer 6 adopts a Ni material target material;

step three, attaching the substrate 1 to the hot-bent cover plate, coating a liquid optical adhesive layer on the coating surface of the substrate 1, and pre-curing the adhesive layer; the method comprises the steps of placing a substrate 1 with a glue layer on a cover plate glass 2 in an isostatic graphite mold, enabling the glue layer to face the cover plate glass 2, positioning the substrate 1 by a middle frame 9, placing the isostatic graphite mold in a processing occasion, vacuumizing, pressing down through a pressing block 11, enabling the substrate 1 to be of a curved surface structure with the same curvature as that of curved surface glass, and attaching the substrate 1 and the curved surface glass to form a semi-finished lens.

Comparative example 1:

a process for manufacturing a curved electrochromic lens, with reference to fig. 1, comprising the following steps:

step one, hot bending the cover plate glass 2, wherein an isostatic pressing graphite mould with a multi-mould structure is adopted during hot bending;

step two, plating an electrochromic film on the substrate 1,

adopting medium-frequency unbalanced magnetron sputtering, comprising the procedures of spraying a first transparent electrode layer 3, spraying an electrochromic layer 4, spraying an ion conducting layer 5, spraying an ion storage layer 6 and spraying a second transparent electrode layer 7, wherein the electrochromic layer 4 is WO₃；

Step three, attaching the base plate 1 to the cover plate which is subjected to hot bending,

step three comprises S1, coating a glue layer and pre-curing: coating an OCA liquid glue layer on the surface of the coating film of the substrate 1, and pre-curing the glue layer; s2, carrying out full lamination by utilizing a curved surface lamination jig: and (2) placing the substrate 1 with the adhesive layer into a curved surface laminating jig, wherein the curved surface laminating jig has the same curvature as the cover plate glass 2, so that the substrate 1 is changed into a curved surface structure with the same curvature as the curved surface glass, and laminating the substrate 1 and the curved surface glass in a vacuum environment to form a semi-finished lens.

Comparative example 2:

a process for manufacturing a curved electrochromic lens, with reference to fig. 1, comprising the following steps:

step one, hot bending the cover plate glass 2, wherein an isostatic pressing graphite mould with a multi-mould structure is adopted during hot bending;

step two, plating an electrochromic film on the substrate 1,

by means of a straight barThe flow balance magnetron sputtering comprises the working procedures of spraying a first transparent electrode layer 3, spraying an electrochromic layer 4, spraying an ion conducting layer 5, spraying an ion storage layer 6 and spraying a second transparent electrode layer 7, wherein the electrochromic layer 4 is WO₃；

Step three, attaching the base plate 1 to the cover plate which is subjected to hot bending,

step three comprises S1, coating a glue layer and pre-curing: coating an OCA liquid glue layer on the surface of the coating film of the substrate 1, and pre-curing the glue layer; s2, carrying out full lamination by utilizing a curved surface lamination jig: and (2) placing the substrate 1 with the adhesive layer into a curved surface laminating jig, wherein the curved surface laminating jig has the same curvature as the cover plate glass 2, so that the substrate 1 is changed into a curved surface structure with the same curvature as the curved surface glass, and laminating the substrate 1 and the curved surface glass in a vacuum environment to form a semi-finished lens.

And (3) testing electrical properties:

the lenses prepared in examples 1-5 and comparative examples 1-2 were tested as follows:

and (3) detecting the cycle times: and (3) realizing the circulation of the electrochromic material by utilizing a multi-potential step method and recording the cycle life. The results of the measurements are shown in Table 1 below.

Color change response time: and (5) carrying out a color change test on the prepared color change lens by using a CHI-660D electrochemical analyzer, and recording the response time. The results of the measurements are shown in Table 1 below.

TABLE 1 test results of electrical properties

	Cycle life (thousands times)	Color change response time
			Example 1	15.6	8.4
Example 2	18.3	7.8
			Example 3	20.8	6.9
Example 4	18.7	7.6
			Example 5	17.6	7.9
Comparative example 1	15.7	8.3
			Comparative example 2	14.5	8.8

As can be seen from Table 1, example 3 has good cycle life and higher discoloration response time, and it can be seen that doping with Ti is compatible with WO₃The performance of the electrochromic layer is better improved. And the embodiment and the comparative example can be discolored, so that the curved surface coating process can be better applied to the processing of the curved surface electrochromic lens.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.