阅读说明：本技术 一种光学防伪元件、其加工方法以及光学防伪产品 (Optical anti-counterfeiting element, processing method thereof and optical anti-counterfeiting product ) 是由 李铮铮 于 2021-08-30 设计创作，主要内容包括：本发明公开一种光学防伪元件、其加工方法以及光学防伪产品,其中,光学防伪元件包括：防伪元件本体,所述防伪元件本体上形成有工作区,所述工作区用于反射光线,所述工作区包括若干反射区,每一反射区上分别形成有若干层结构层,每一反射区上分别形成有法布里-珀罗谐振腔,每一所述反射区的反射光线的性能不同。本发明的有益效果在于：光学防伪元件具备不同的反射区,可以实现对不同频率光线的反射处理,可以实现更丰富的功能,满足使用需求。(The invention discloses an optical anti-counterfeiting element, a processing method thereof and an optical anti-counterfeiting product, wherein the optical anti-counterfeiting element comprises: the anti-counterfeiting element comprises an anti-counterfeiting element body, wherein a working area is formed on the anti-counterfeiting element body and used for reflecting light rays, the working area comprises a plurality of reflecting areas, a plurality of structural layers are respectively formed on each reflecting area, Fabry-Perot resonant cavities are respectively formed on each reflecting area, and the performance of the reflected light rays of each reflecting area is different. The invention has the beneficial effects that: the optical anti-counterfeiting element has different reflection areas, can realize reflection treatment of light rays with different frequencies, can realize richer functions and meets the use requirements.)

1. An optical security element, comprising: the anti-counterfeiting element comprises an anti-counterfeiting element body, wherein a working area is formed on the anti-counterfeiting element body and used for reflecting light rays, the working area comprises a plurality of reflecting areas, a plurality of structural layers are respectively formed on each reflecting area, Fabry-Perot resonant cavities are respectively formed on each reflecting area, and the performance of the reflected light rays of each reflecting area is different.

2. An optical security element according to claim 1, wherein the security element body comprises a substrate, and the structural layers are correspondingly stacked on the substrate.

3. An optical security element according to claim 2, wherein the surface of the substrate is formed with densely arranged microstructures corresponding to the reflective regions, respectively.

4. An optical security element according to claim 3, wherein the corresponding microstructures of different reflective regions are the same or different.

5. An optical security element as claimed in any one of claims 1 to 4 wherein the number of structural layers of different reflective regions is the same or different.

6. An optical security element according to any one of claims 1 to 4, wherein the material of the structural layer adjacent to the substrate comprises: magnesium fluoride, silica, alumina, magnesia, titania, gadolinium oxide, zinc sulfide, or mixtures thereof.

7. An optical security element according to any one of claims 1 to 4, wherein the material of the structural layer comprises: gold, silver, copper, aluminum, iron, tin, nickel, chromium or compounds thereof and mixtures thereof.

8. A method of processing an optical security element, for processing an optical security element according to any one of claims 1 to 7, comprising the steps of: providing a substrate, and respectively plating a plurality of structural layers on a plurality of regions on the substrate to form a plurality of reflecting regions, so that the structural layers on each reflecting region form a Fabry-Perot resonant cavity, and each reflecting region has different light reflection performances.

9. The method of claim 8, wherein the light reflection performance of the reflective region is controlled by controlling the thickness and material composition of the structural layer.

10. An optical security product, comprising: the optical security element and security device body according to any one of claims 1 to 7, wherein the security device body is disposed corresponding to the optical security element, and the security device body comprises: the anti-counterfeiting optical system comprises a light-emitting element and a light sensing element, wherein the light-emitting element is used for emitting light signals, the light signals emitted by the light-emitting element reach the light sensing element after being reflected by the optical anti-counterfeiting element, and the light sensing element is used for converting the light signals into electric signals.

Technical Field

The invention relates to the technical field of anti-counterfeiting, in particular to an optical anti-counterfeiting element, a processing method thereof and an optical anti-counterfeiting product.

Background

Among the current anti-fake products, there is the anti-fake form of its working form of a kind of optics anti-fake product through the form of reflection detection light, and specific working method is: the reflective anti-counterfeiting device is used for reflecting the detection light by the reflective part, the reflected light reaches the light sensing element of the receiving end for identification, the reflective element of the prior anti-counterfeiting device is single in reflection function and only can simply reflect the light, so that the anti-counterfeiting device has limited usable functions and cannot meet the use requirements of people.

Accordingly, the prior art is deficient and needs improvement.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an optical anti-counterfeiting element, a processing method thereof and an optical anti-counterfeiting product.

The technical scheme of the invention is as follows: the invention provides an optical security element comprising: the anti-counterfeiting element comprises an anti-counterfeiting element body, wherein a working area is formed on the anti-counterfeiting element body and used for reflecting light rays, the working area comprises a plurality of reflecting areas, a plurality of structural layers are respectively formed on each reflecting area, Fabry-Perot resonant cavities are respectively formed on each reflecting area, and the performance of the reflected light rays of each reflecting area is different.

Furthermore, the anti-counterfeiting element body comprises a substrate, and the structural layers are correspondingly stacked on the substrate.

Furthermore, the surface of the substrate is respectively provided with densely arranged microstructures corresponding to the reflection regions.

Further, the corresponding microstructures of different reflective regions are the same or different.

Further, the number of the structural layers of different reflective regions is the same or different.

Further, the material of the structural layer close to the substrate includes: magnesium fluoride, silica, alumina, magnesia, titania, gadolinium oxide, zinc sulfide, or mixtures thereof.

Further, the material of the structural layer includes: gold, silver, copper, aluminum, iron, tin, nickel, chromium or compounds thereof and mixtures thereof.

The invention also provides a processing method of the optical anti-counterfeiting element, which is used for processing the optical anti-counterfeiting element and comprises the following steps: providing a substrate, and respectively plating a plurality of structural layers on a plurality of regions on the substrate to form a plurality of reflecting regions, so that the structural layers on each reflecting region form a Fabry-Perot resonant cavity, and each reflecting region has different light reflection performances.

Furthermore, the light reflection performance of the reflection area is controlled by controlling the thickness and the material ratio of the structural layer.

The invention also provides an optical anti-counterfeiting product, which comprises: the optical anti-counterfeiting element and the anti-counterfeiting device main body are arranged correspondingly to the optical anti-counterfeiting element, and the anti-counterfeiting device main body comprises: the anti-counterfeiting optical system comprises a light-emitting element and a light sensing element, wherein the light-emitting element is used for emitting light signals, the light signals emitted by the light-emitting element reach the light sensing element after being reflected by the optical anti-counterfeiting element, and the light sensing element is used for converting the light signals into electric signals.

By adopting the scheme, the invention has the beneficial effects that: the optical anti-counterfeiting element has different reflection areas, can realize reflection treatment of light rays with different frequencies, can realize richer functions and meets the use requirements.

Drawings

Fig. 1 is a schematic structural diagram of an optical security element according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an optical security element according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an optical anti-counterfeit product according to an embodiment of the present invention.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.

Referring to fig. 1 and fig. 2, the present invention provides an optical security element 10, including: the anti-counterfeiting element comprises an anti-counterfeiting element body, wherein a working area is formed on the anti-counterfeiting element body and used for reflecting light rays, the working area comprises a plurality of reflecting areas, a plurality of structural layers are respectively formed on each reflecting area, Fabry-Perot resonant cavities are respectively formed on each reflecting area, and the performance of the reflected light rays of each reflecting area is different.

Further, the anti-counterfeiting element body comprises a substrate 100, and the structural layers are correspondingly stacked on the substrate 100. The substrate 100 may be curved to achieve better reflection angles and reflection capabilities. The surface of the substrate 100 is formed with densely arranged microstructures corresponding to the reflection regions, the microstructures corresponding to different reflection regions may be the same or different, the microstructures may be arc-shaped, semicircular, zigzag, and the like, and the arrangement of the microstructures may change the performance of the reflected light of the reflection regions together with the structure layer.

Further, the number of the structural layers of the different reflective regions may be the same or different.

Specifically, in this embodiment, the working area of this embodiment includes 2 reflective areas, which are a first reflective area 11 and a second reflective area 12, respectively, where the number of structural layers of the first reflective area 11 is 3, which are the structural layer 111, the structural layer 112, and the structural layer 113, respectively, and the number of structural layers of the second reflective area 12 is 2, which are the structural layers 121 and 122, respectively.

Further, the material of the structural layer near the substrate 100 may be: magnesium fluoride, silica, alumina, magnesia, titania, gadolinium oxide, zinc sulfide, or mixtures thereof. The rest of the structural layers can be made of the following materials: gold, silver, copper, aluminum, iron, tin, nickel, chromium or compounds thereof, or mixtures thereof. The thickness of each structural layer can be the same or different.

Referring to fig. 1 and fig. 2, in the present embodiment, the optical anti-counterfeiting element 10 has different reflection areas, and each reflection area has different light reflection performance, so that the light with corresponding frequency can be processed, and thus the light with different frequencies can be processed by different reflection areas. When the optical anti-counterfeiting device is used, the detection light irradiates the reflection area of the optical anti-counterfeiting element 10, so that the frequency of the reflected detection light is changed, the reflected detection light has specific information and can be detected by a subsequent light sensing element, an optical signal can be converted into an electric signal subsequently, and the electric signal is processed to realize the anti-counterfeiting and identification functions.

It should be noted that in other embodiments of the present disclosure, the number of the reflective regions may also be multiple, such as 3, 4, 5, and the like, the number of the structural layers of each reflective region may be selected according to needs, and the thickness of each structural layer may be selected according to needs.

The invention also provides a processing method of the optical anti-counterfeiting element, which is used for processing the optical anti-counterfeiting element and comprises the following steps of providing a substrate, plating a plurality of structural layers on a plurality of areas on the substrate respectively to form a plurality of reflection areas, and enabling the structural layers on each reflection area to form a Fabry-Perot resonant cavity, so that each reflection area has different light reflection performances. Specifically, in the method, the light reflection performance of the reflection region can be controlled by controlling the thickness and the material ratio of the structural layer.

In the method, a Fabry-Perot resonant cavity is formed by sputtering corresponding structural layers on different reflecting regions on a substrate, so that the reflecting performance of the optical anti-counterfeiting element on rays with different frequencies is realized, wherein the structural layers close to the substrate can be made of: magnesium fluoride, silicon dioxide, aluminum oxide, magnesium oxide, titanium dioxide, gadolinium oxide, zinc sulfide or a mixture thereof, and the material of the rest of the structural layer can be gold, silver, copper, aluminum, iron, tin, nickel, chromium or a compound thereof, or a mixture of the above materials.

Referring to fig. 3, in the present embodiment, the invention further provides an optical anti-counterfeit product, including: the optical anti-counterfeiting element 10 and the anti-counterfeiting device body 20 are arranged, wherein the anti-counterfeiting device body 20 corresponds to the optical anti-counterfeiting element 10, and the anti-counterfeiting device body 20 comprises: the anti-counterfeiting optical system comprises a light-emitting element 21 and a light-sensing element 22, wherein the light-emitting element 21 is used for emitting light signals, the light signals emitted by the light-emitting element 21 reach the light-sensing element 22 after being reflected by the optical anti-counterfeiting element 10, and the light-sensing element 22 is used for converting the light signals into electric signals.

In this embodiment, the number of the light emitting elements 21 and the light sensing elements 22 is not limited to 1. When the optical anti-counterfeiting product works, the light-emitting element 21 emits detection light with specific frequency, the detection light reaches the optical anti-counterfeiting element 10 and reaches the light sense element 22 after being reflected by the optical anti-counterfeiting element 10, and because the detection light is reflected by the reflection area of the optical anti-counterfeiting element 10, parameters such as frequency and the like of the detection light can be changed, the detection light after being reflected has specific information, the light sense element 22 can convert light signals into electric signals, and when the electric signals are processed, the information carried by the detection light can be identified, so that the anti-counterfeiting function and other functions of the product are realized. Because the optical anti-counterfeiting element 10 is provided with a plurality of reflecting areas, rich functions of multiple anti-counterfeiting, information transmission, information verification and the like can be realized, and the use requirement can be met. When the optical anti-counterfeiting product is used, the anti-counterfeiting device body 20 can be arranged on the body of equipment, the optical anti-counterfeiting element 10 is arranged on an accessory or a consumable of the equipment, and when the accessory or the consumable is assembled on the equipment, the optical anti-counterfeiting device can be operated to realize anti-counterfeiting verification on the accessory or the consumable.

To sum up, this scheme's beneficial effect lies in: the optical anti-counterfeiting element has different reflection areas, can realize reflection treatment of light rays with different frequencies, can realize richer functions and meets the use requirements.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.