Laser-engraved patterned lenses

Abstract

The utility model discloses a laser-engraved pattern lens for solving the problem of the fixed, single and easily cut and damaged lens decoration pattern in assembly. The lens comprises a lens body, and the improvement lies in that decorative patterns are formed on at least two different surfaces of the lens body by laser engraving, and the patterns on the two surfaces jointly constitute an associated or integral pattern. The pattern is composed of permanent microstructures formed by laser and is located in a non-effective optical area, which does not affect the core optical function. The utility model realizes personalized lens decoration according to the wishes of the wearer.

Description

Technical Field

[0001] This utility model relates to the field of spectacle lens technology, and more specifically, to a spectacle lens with a permanent surface microstructure, particularly a spectacle lens product in which the microstructure is formed by laser engraving. Background Technology

[0002] Traditional laser engraving technology is commonly used to engrave brand logos, batch numbers, or optical information on lenses (including sunglasses lenses). The pattern, position, and size of these markings are pre-set and fixed by the manufacturer, primarily for easy identification, processing adjustments, or brand display, rather than to meet the personalized decorative desires of the end wearer. To avoid affecting the wearer's vision and the lens's aesthetics, traditional engravings are typically small and engraved into the lens's coating or other microstructures, remaining inconspicuous. They are usually invisible to the wearer of the marked lenses or during normal use ("semi-visible").

[0003] More importantly, during the eyeglass assembly process, the lenses need to be cut and edged according to the wearer's prescription parameters and the shape of the frame. Because the position of traditional markings is fixed, they are easily partially or completely removed during the cutting process. Furthermore, traditional techniques do not allow wearers to attach personalized markings to specific locations on the lenses according to their preferences.

[0004] For wearers with high refractive errors, the lens edges are often thicker, affecting aesthetics. Currently, there is a lack of effective solutions that allow wearers to create personalized, stable, visible decorative microstructures on the lens surface (especially in the thicker lateral areas) without compromising core optical function. Summary of the Invention

[0005] The present invention aims to overcome the above-mentioned shortcomings of the prior art and provide a laser-engraved patterned lens, which can realize personalized and visible decorative patterns on the lens surface without affecting the basic optical function of the lens.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A laser-engraved patterned lens includes a lens body having a front surface, a rear surface, and a side surface; characterized in that decorative patterns are formed by laser engraving on at least two different surfaces of the lens body, and the decorative patterns on the at least two surfaces together constitute an associated or integral pattern, the decorative pattern being composed of permanent microstructures formed by laser on the lens substrate.

[0008] Furthermore, the lens body has multiple side surfaces after beveling, and the decorative pattern can span at least one of the side surfaces.

[0009] Furthermore, the decorative pattern is a concave-convex structure with a predetermined depth and contour, formed by selective removal or material modification on the lens substrate material using a laser.

[0010] Furthermore, the decorative pattern is located within a non-effective optical area of ​​the lens body. More preferably, the non-effective optical area is configured such that the decorative pattern does not obstruct the wearer's pupil area when the lens is worn.

[0011] As a further improvement to the above technical solution, the permanent surface microstructure is a groove structure, and the groove structure may optionally be filled with a coloring material.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. High degree of personalization and customization: Decorative patterns can be customized according to the wearer's personal wishes after the lens is cut and ground. The content, size, position and cross-surface layout can all be freely designed according to the wearer's personalized needs, completely getting rid of the limitations of traditional fixed logos.

[0014] 2. Rich visual effects: The microstructures (such as grooves) formed by lasers give the pattern a three-dimensional texture, and the selective filling of coloring materials further enriches the color and visual effects of the pattern.

[0015] 3. Unaffected optical performance: By strictly limiting the pattern to the non-effective optical area (especially avoiding the area corresponding to the pupil), the refractive correction of the central optical zone of the lens and the lens imaging function are effectively guaranteed to remain unaffected.

[0016] 4. Significantly enhanced aesthetics: In particular, the decorative patterns can be engraved on the side surface, thereby transforming the edges of thicker lenses, which are traditionally considered an aesthetic disadvantage, into areas suitable for artistic creation, thus enhancing the appearance.

[0017] 5. Stable and durable pattern: The pattern is formed directly on the lens substrate through laser processing, becoming an integral part of the lens body and exhibiting excellent durability. Attached Figure Description

[0018] Further features, characteristics, and advantages of this invention will become clear from the following description of embodiments taken in conjunction with the accompanying drawings.

[0019] Figure 1a and Figure 1b These are three-dimensional schematic diagrams of eyeglass lens 1 according to an embodiment of the present invention, showing the distribution and relationship of decorative pattern D on the front surface A, side surface C and rear surface B.

[0020] Figure 2 yes Figure 1a and Figure 1b The diagram shown is a schematic representation of the unfolded surface of the eyeglass lens 1, used to more clearly demonstrate the layout of the multi-surface pattern.

[0021] Figure 3a This is a schematic diagram of the front surface A of spectacle lens 1.

[0022] Figure 3b It is along Figure 3a The schematic cross-sectional view obtained by the cutting line shown in the figure illustrates the shape of the groove structure d1 on the front surface A.

[0023] Figure 4a This is a schematic diagram of the back surface B of the eyeglass lens.

[0024] Figure 4b It is along Figure 4a The schematic cross-sectional view obtained by the cutting line shown in the figure illustrates the groove structure d1 on the rear surface B and the colored material d2 filling it.

[0025] Figure 5a This is a schematic diagram of the side surface C of the eyeglass lens.

[0026] Figure 5b It is along Figure 5a The schematic cross-sectional view obtained by the cutting line shown in the figure illustrates the shape of the groove structure d1 on the side surface C.

[0027] Figure 6a and Figure 6b This is a schematic diagram of another embodiment of the present invention, showing the distribution and relationship of the decorative pattern D on the front surface A, side surface C and side surface CC when the eyeglass lens 1 is beveled to form the side surface CC.

[0028] Figure 7a and Figure 7b This is a schematic diagram of another embodiment of the present invention, showing the distribution and relationship of decorative patterns D22 and D11 on the front surface A and the rear surface B.

[0029] Figure 7b The positional relationship between pattern D11 and the center T of the pupil is shown in particular. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not intended to limit it.

[0031] First, the key terms involved in this embodiment will be explained:

[0032] Lens body: refers to the main body of an optical device with refractive correction or decorative functions. It has a front surface, a rear surface, and a side surface connecting the front and rear surfaces. Multiple side surfaces can be formed after beveling.

[0033] Front surface, rear surface, and side surface: In the assembled state, the front surface faces away from the wearer's eyes, the rear surface faces the wearer's eyes, the side surface is the edge surface that connects the front and rear surfaces and constitutes the thickness of the lens, and the chamfered surface is an auxiliary side surface formed after chamfering, which belongs to the category of side surfaces.

[0034] Related or integrated patterns: These refer to patterned parts distributed on at least two different surfaces that are visually connected, echo, or complement each other, together forming a complete design theme.

[0035] Non-effective optical zone: refers to the area on the lens body located outside the optical center that does not participate in or have little impact on the main refractive correction function. It usually includes the edge part of the lens or the area used for mechanical support.

[0036] Permanent microstructure: refers to the concave-convex structure with a predetermined depth and contour formed by selective removal or material modification of the lens substrate material using laser.

[0037] Decorative patterns refer to visible shapes, text, symbols, or combinations thereof formed on the surface of a lens for aesthetic or personalized purposes. In this invention, the patterns are formed by laser engraving.

[0038] Groove structure: refers to the micro-grooves or recesses formed after removing part of the material from the surface of the lens body through laser engraving process, which together constitute the decorative pattern.

[0039] Based on the above description, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] Example 1: As Figure 2 As shown, this embodiment provides a laser-engraved patterned lens 1, which is the final shape after cutting to fit the eyeglass frame, and has a front surface A, a rear surface B, and a side surface C. The decorative pattern D is the letter "LOVE" and the geometric pattern "heart", and is located entirely within the non-effective optical area of ​​the eyeglass lens 1.

[0041] Specifically, in combination Figure 1a , 2 As shown in 3a and 5a, the letter "L" is located on the front surface A. The letter "O" and the "heart" pattern together span the front surface A and the side surface C, and the two parts are connected to form a related overall pattern.

[0042] Combination Figure 1b , 2As shown in 4a and 5a, the letter "E" is located on the back surface B. The letter "V" together spans the side surface C and the back surface B, forming another related overall pattern.

[0043] like Figure 3b , 4b As shown in Figure 5b, pattern D is composed of a physical groove structure d1 formed by laser engraving. Preferably, as... Figure 4b As shown, the groove d1 can be filled with coloring material d2 (such as UV-cured ink, resin, acrylic pigment, paint, etc.) to enhance the visual effect of the pattern.

[0044] Example 2: This example provides a laser-engraved patterned lens, such as... Figure 6a and Figure 6b The lens body is spectacle lens 1, which is the final shape to fit the eyeglass frame. Spectacle lens 1 is chamfered to form the side surface CC. The decorative pattern D consists of the letter "LOVE" and the geometric pattern "heart," and the entire pattern D is located within the non-optical area of ​​spectacle lens 1. The letter "L" is located on the front surface A. The letter "O" and the "heart" together span the front surface A and the side surface C. The letter "E" is located on the side surface CC. The letter "V" together spans the side surface C and the side surface CC. This demonstrates the possibility of the pattern extending on the chamfered surface.

[0045] Example 3: This example provides a laser-engraved patterned lens, such as... Figure 7a and Figure 7b The lens body is an eyeglass lens 1, which is the final shape to fit the eyeglass frame. This embodiment demonstrates the related design of the pattern on the front and back surfaces. A human figure image D22 is engraved in the non-effective optical area of ​​the front surface A. A soccer ball pattern D11 is engraved on the rear surface B. The design must ensure that D22 and D11 do not overlap when viewed from directly in front. The distance between the edge of pattern D11 and the center T of the pupil must ensure that the entire pattern does not enter a circular area with a diameter of 7mm centered at T (considering that the diameter of the human pupil is 3-6mm), to ensure that it does not affect the field of vision.

[0046] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model. Any modifications, equivalent substitutions, improvements, etc., made by any person skilled in the art without departing from the spirit and principles of the present utility model should be included within the scope of protection of the claims of the present utility model.

Claims

1. A laser-engraved patterned lens, comprising a lens body having a front surface, a rear surface, and a side surface; characterized in that, Decorative patterns are formed by laser engraving on at least two different surfaces of the lens body, and the decorative patterns on the at least two surfaces together constitute an associated or integral pattern, the decorative patterns being composed of permanent microstructures formed by laser on the lens substrate.

2. The laser-engraved patterned lens according to claim 1, characterized in that, The lens body is chamfered to form multiple side surfaces, and the decorative pattern spans at least one of the side surfaces.

3. The laser-engraved patterned lens according to claim 1, characterized in that, The decorative pattern is located in a non-effective optical area of ​​the lens body.

4. The laser-engraved patterned lens according to claim 3, characterized in that, The non-effective optical area is configured such that the decorative pattern does not obstruct the wearer's pupil area when the lens is worn.

5. The laser-engraved patterned lens according to any one of claims 1 to 4, characterized in that, The permanent microstructure is a groove structure.

6. The laser-engraved patterned lens according to claim 5, characterized in that, The groove structure is filled with a coloring material.

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