KR101927023B1 - method of manufacturing a sunglas lens using a laser beam and the sunglass lens - Google Patents

Abstract

The present invention relates to a sunglass lens and a method of manufacturing the sunglass lens using a laser. The sunglass lens of the present invention includes: a transparent lens; a colored layer in which a surface coloring process is performed by penetrating color into both surfaces of the transparent lens; a hard coating layer which is formed on the surface of the colored layer; a primary multi-coating layer which is formed to generate design images of patterns or characters on one surface of the hard coating layer; and a secondary multi-coating layer which is formed on the surface of the primary multi-coating layer and the other surface of the hard coating layer, wherein the design images of patterns or characters of the primary multi-coating layer are formed by thermal degradation effects in which the primary multi-coating layer is burnt by a laser beam generated from a laser oscillator. Therefore, the sunglass lens of the present invention not only can produce a unique individuality since the sunglass lens can be decorated more luxuriously and splendidly, but also can faithfully satisfy its own purpose of the sunglass since the sunglass is not seen in the visual field of a glass wearer.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method of manufacturing a sunglass lens using a sunglass lens and a laser,

The present invention relates to a method of manufacturing a sunglass lens using a sunglass lens and a laser, and more particularly, to a sunglass lens and a method of manufacturing a sunglass lens using a laser, in which a pattern or shape is engraved on the surface of a lens to produce a unique personality.

In general, sunglasses are used for applications such as ultraviolet shielding and glare shielding irrespective of whether or not wearing glasses, and recently, interest in fashion has increased rapidly in society, and it is widely used for fashion applications.

Although the design and color of the sunglasses have been diversified to various colors as the use of the sunglass has become various as described above, diversification of the sunglass is limited to the diversification of the design and the color, and in terms of the function, There was a problem that diversification was limited

Recently, Sungras, which has a unique design and shape, has been launched to make a person with a unique appearance, so that a lens suitable for individual taste can be selected and worn.

However, the conventional sunglasses are supplied with various shapes and colors of the lens in various colors in order to comply with individual preferences, and there is a problem in that it is not satisfactory for a user who wants to produce a unique personality.

In recent years, as a method for supplying a unique design of sunglasses, a technique has been disclosed in which a pattern such as various types of pattern patterns is engraved on the surface of a sunglass lens to express its own personality.

The pattern of the pattern engraved on the surface of the sunglass lens is visible only to the outside partner, and the function which is invisible in the inner view of the user wearing the sunglass provides the effect.

However, the pattern engraved on the surface of the sunglass lens according to the prior art is generated by the silk pad printing technique, and the pressure on the lens surface is unevenly transmitted during the silk pad printing process, And it is very vulnerable to durability such as being easily deformed by an external force or losing a pattern of an adhesive layer after a certain time has elapsed.

Korean Registered Utility Model No. 20-0395351 (September 2, 2005)

SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems as described above, and it is an object of the present invention to provide a method and apparatus for forming a pattern or shape engraved on the surface of a lens by using a laser beam to compensate for the disadvantages caused by the silk printing method, And a method of manufacturing a sunglass lens using the sunglass lens and the laser which can be improved at the same time.

In order to achieve the above object, a sunglass lens according to the present invention includes: a transparent lens; A coloring layer in which color penetrates into both surfaces of the transparent lens to perform surface coloring; A hard coating layer formed on a surface of the coloring layer; A primary multi-coating layer formed on one side of the hard coat layer to produce a design image of a pattern or letter; And a secondary multi-coating layer formed on the surface of the hard coating layer opposite to the surface of the primary multi-coating layer. The design image of the pattern or character of the primary multi-coating layer is formed by a laser beam generated from the laser oscillator, It is characterized by being formed by thermal decay action.

The thickness of the primary multi-coating layer is 15 占 퐉 to 18 占 퐉, and the depth of the etching using the laser beam is 5 占 퐉 to 12 占 퐉.

The primary and secondary multi-coating layers are formed by laminating two or more layers selected from among silica, zirconia, and indium tin oxide in a multilayer structure.

A method of manufacturing a sunglass lens using a laser according to the present invention includes: cleaning a surface of a transparent lens (step 1); Drying the transparent lens (step 2); A step of forming a coloring layer by penetrating the color inside both surfaces of the transparent lens (step 3); Forming a hard coating layer on the surface of the coloring layer (step 4); Forming a first multi-coating layer on the surface of one hard coat layer (step 5); Forming a design image of a pattern or character by irradiating the surface of the primary multi-coating layer with a laser beam using a laser oscillator (step 6); And forming a secondary multi-coating layer on the surface of the hard coating layer opposite to the surface of the primary multi-coating layer (step 7).

And step 5 and step 7 are characterized in that two or more of silica, zirconia, and indium tin oxide are sequentially laminated.

According to the present invention having the above-described constitution, it is possible to generate a design image of a pattern or a letter from the thermal collapse action of burning the primary multi-coating layer by using a laser beam, so that the sunglass lens can be more luxuriously and gorgeously decorated, It is not only visible to the wearer of the eyeglass but also has the effect of faithfully satisfying the purpose of sunglass.

In addition, the design image generated by the laser beam has the effect of greatly improving the mass production efficiency of a product which can be prevented from being deformed by the external force and tearing or deteriorating the adhesive force.

1 is a photograph of a sunglass lens product according to an embodiment of the present invention.
2 is a cross-sectional view of Fig.
3 is a cross-sectional view illustrating a sunglass lens manufacturing process according to an embodiment of the present invention.
4 is a flowchart illustrating a method of manufacturing a sunglass lens using a laser according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a sunglass lens manufacturing method and a sunglass lens manufacturing method according to the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that the terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and that the inventor should properly interpret the concepts of the terms to best describe their invention It should be construed as meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, It should be understood that various equivalents and modifications are possible.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in the drawings, the sunglass lens 1000 according to the present invention includes a transparent lens 100, a coloring layer 200 that penetrates the inside of both surfaces of the transparent lens 100 to perform surface coloring, A hard coating layer 300 formed on the surface of the coloring layer 200 and a primary multi-coating layer 400 formed on one side of the hard coating layer 300 to generate a design image of a pattern or character, And a secondary multi-coating layer 500 formed on the surface of the hard coating layer opposite to the surface of the primary multi-coating layer 400.

First, the transparent lens 100 is a component that is worn on the spectacle frame to provide a corrected dose according to the visual acuity of the user or to protect the eyesight.

The transparent lens 100 according to the present invention is manufactured in a structure and a shape suitable for sunglasses for personalized production as well as protecting the eyes from sunlight in hot summer. Of course, the transparent lens 100 can be applied not only to the use of sunglasses, but also to various applications such as a spectacle lens for vision correction, sports goggles, and industrial protective glasses.

It is preferable that the transparent lens 100 is made of synthetic resin or glass, and the concave surface and the convex surface are formed on the basis of the cross section of the thickness.

The coloring layer 200 is colored by penetrating color on both surfaces of the transparent lens 200, and colors the transparent lens 200.

It is preferable that the coloring layer 200 is colored in a dark gray color so as to be suitable for the function of sunglasses, that is, to protect the eyes from strong sunlight (light by illumination etc.) and to ensure visibility. It is also possible to apply various colors.

The penetration depth of the coloring layer 200 can be made to be within 3 탆 to 10 탆. That is, when coloring is performed to a thickness of 3 μm or less, the color is not clearly expressed. When the thickness is more than 10 μm, cracks may be generated on the surface of the transparent lens.

The hard coating layer 300 is formed on the surface of the coloring layer 200 and strengthens the surfaces of the coloring layer 200 and the transparent lens 100 to enhance abrasion resistance and frictional resistance .

That is, the hard coating layer 300 can prevent the surface of the coloring layer 200 and the transparent lens 100 from being damaged or contaminated even when the transparent lens 100 is impacted or contacted with the outside The hardness of the transparent lens is improved.

The hard coating layer 300 is formed by dipping (dipping) the transparent lens into a liquid hard coating agent contained in a water tank to form a hard coating layer.

Of course, after the transparent lens 100 is immersed and drawn out, it is natural to proceed with drying for a predetermined time.

The primary multi-coating layer 400 is coated on one surface (preferably a concave surface) of the hard coating layer 300 and is a component applied to generate a design image of a pattern or character.

Here, the surface of the primary multi-coating layer 400 forms a design image of a pattern or a letter by a thermal decay action in which the laser beam generated from the laser oscillator burns the primary multi-coating layer.

This can improve the yield and improve the quality of the image by improving the configuration for generating images in order to fundamentally solve the problem that the quality of the design image is degraded from the step due to the thickness difference of the ink in the process of using the conventional silk printing .

The primary multi-coating layer 400 may be made of silica (SiO2), zirconia (ZrO2), or indium tin oxide (ITO), and two or more types of the primary multi-coating layer 400 may be formed to have a multi- .

Preferably, all of the silica, zirconia, and indium tin oxide are sequentially laminated and coated.

The primary multi-coating layer 400 may be manufactured in six colors such as green, blue, pink, gold, brown, and silver.

In addition, the thickness of the primary multi-coating layer 400 is preferably 15 탆 to 18 탆, and the depth of the etching using the laser beam is preferably 5 탆 to 12 탆.

The design image of the first multi-coating layer 400 using the laser beam can decorate the lens of the sunglass more luxuriously and gorgeously. Since the design image is not seen in the sight of the user wearing sunglasses, only the sunglass It provides an effect that can be a means of excellent personality expression while satisfying the original purpose faithfully.
The pattern or character design image of the primary multi-coating layer 400 has a size corresponding to the entire surface of the transparent lens 100.

The secondary multi-coating layer 500 is formed on the surface of the hard coating layer 300 opposite to the surface of the primary multi-coating layer 400. The secondary multi- And the color of the image.

The secondary multi-coating layer 500 is also referred to as an AR (anti-reflection) coating layer and is literally a coating layer for preventing reflection. The secondary multi-coating layer 500 has a function of blocking ultraviolet rays through reflection. The transparency of the transparent lens 100, And the main function is to block ultraviolet light.

The secondary multi-coating layer 500 is the same as the material of the silica, zirconia, and indium tin oxide in the primary multi-coating layer 400 described above. The same is true.
The primary multi-coating layer 400 and the secondary multi-coating layer 500 are preferably made of different colors.

The first and second multi-coating layers 400 and 500 may be formed by a plasma enhanced chemical vapor deposition (PECVD) method, a sputtering method, an MOCVD method, an e-beam evaporation method, an ion beam deposition method Can be applied.

Hereinafter, a method of manufacturing a sunglass lens using a laser according to an embodiment of the present invention will be described.

First, a cleaning step (S100) is performed to remove a foreign substance on the surface of the transparent lens (100).

The cleaning step S100 may be performed by immersing the transparent lens 100 in a water tank storing the cleaning liquid, or may be performed by a spray nozzle cleaning method in which foreign matter is removed by using the water pressure of the cleaning liquid.

When the cleaning step S100 is completed, the cleaning liquid on the surface of the transparent lens is removed and dried (S200).

The drying step (S200) may be performed by hot air drying using a heater or ultraviolet drying.

Thereafter, the process of forming the coloring layer 200 (S300) is performed by penetrating the inside of both surfaces of the transparent lens 100 after the cleaning step S200.

It is preferable that the thickness of the coloring layer in the step of forming the coloring layer (S300) is maintained at 3 mu m to 10 mu m.

Next, when the process of forming the coloring layer 200 (S300) is completed, the process of forming the hard coating layer 300 on the surface of the coloring layer (S400) is performed.

After forming the hard coating layer (S400), a step S500 of forming the primary multi-coating layer 400 on the surface of the hard coating layer 300 is performed.

When the formation of the multi-coating layer (S500) is completed, a laser beam using a laser oscillator is applied to the surface of the primary multi-coating layer 400 to form a design image of a pattern or character (S600) do.

Here, the laser generator may be a Piper laser, an Endian laser, or an excimer laser capable of generating a laser beam by irradiating the primary multi-coating layer 400 with light. The laser generator includes a laser beam power source, an operation unit, a computer, and a cooling unit.

In addition, when using a Piper laser, the frequency of the laser beam is preferably 532 nm to 1064 nm, the laser output is preferably 20 W to 30 W, and the etching depth of the primary mulch coating layer 400 is more than 5 μm to 12 μm Do not.

Since the design image of the pattern or character generated by the laser beam can decorate the sunglass lens more luxuriously and gorgeously, not only it can produce a unique personality but also it is not seen in the sight of the wearer of glasses, And provides an effect that can be satisfied.

Next, a step S700 of forming a secondary multi-coating layer 500 on the surface of the hard coat layer 300 opposite to the surface of the primary multi-coating layer 400 after forming the design image S600 It is completed after completion.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Will be apparent to those of ordinary skill in the art.

100: transparent lens 200: colored layer
300: hard coating layer 400: primary multi-coating layer
500: secondary multi-coating layer

Claims (5)

A transparent lens;
A coloring layer in which color penetrates into both surfaces of the transparent lens to perform surface coloring;
A hard coating layer formed on a surface of the coloring layer;
A primary multi-coating layer formed on one side of the hard coat layer to produce a design image of a pattern or letter;
And a secondary multi-coating layer formed on a surface of the hard coating layer opposite to the surface of the primary multi-coating layer,
The pattern or character design image of the primary multi-coating layer is formed by thermal decaying action of the laser beam generated from the laser oscillator to burn the primary multi-coating layer,
Wherein the pattern of the first multi-coating layer or the design image of the character has a size corresponding to the entire surface of the transparent lens, the first multi-coating layer and the second multi-coating layer have different colors,
The penetration depth of the coloring layer is colored to within a range of 3 탆 to 10 탆, the thickness of the primary multi-coating layer is 15 탆 to 18 탆, and the depth of etching using the laser beam is 5 탆 to 12 탆 In addition,
Wherein the primary and secondary multi-coating layers are formed by laminating two or more layers selected from among silica, zirconia, and indium tin oxide in a multilayer structure.
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