阅读说明：本技术 3d光学结构及其制备方法和电子设备 (3D optical structure, preparation method thereof and electronic equipment ) 是由 王立朋 于 2020-04-29 设计创作，主要内容包括：本发明公开一种3D光学结构及其制备方法和电子设备,所公开的3D光学结构包括依次层叠设置的基部、第一反射膜片和第二反射膜片,所述基部为透明结构件,所述第二反射膜片背离所述第一反射膜片的表面设置有预制图案,光线可穿过所述预制图案投射至所述第一反射膜片和所述第二反射膜片之间。上述方案能够解决产品外表面的镀膜易受损而导致3D景深图案效果变差的问题。(The invention discloses a 3D optical structure, a preparation method thereof and electronic equipment, wherein the 3D optical structure comprises a base part, a first reflecting membrane and a second reflecting membrane which are sequentially stacked, the base part is a transparent structural part, the surface of the second reflecting membrane, which is far away from the first reflecting membrane, is provided with a prefabricated pattern, and light can penetrate through the prefabricated pattern and be projected between the first reflecting membrane and the second reflecting membrane. By the scheme, the problem that the 3D field depth pattern effect is poor due to the fact that the coating film on the outer surface of the product is easy to damage can be solved.)

1. A 3D optical structure, comprising:

the light source comprises a base, a first reflecting membrane and a second reflecting membrane which are sequentially stacked, wherein the base is a transparent structural member, a prefabricated pattern is constructed on the surface, deviating from the first reflecting membrane, of the second reflecting membrane, and light can penetrate through the prefabricated pattern to be projected between the first reflecting membrane and the second reflecting membrane.

2. A 3D optical structure according to claim 1, characterized in that the first reflective film sheet comprises a first carrier film and a first reflective coating structured on the first carrier film, the second reflective film sheet comprises a second carrier film and a second reflective coating structured on the second carrier film, the first reflective coating facing the second carrier film, the second reflective coating facing away from the first reflective coating, the preformed pattern being structured on the second reflective coating.

3. A 3D optical structure according to claim 2, characterized in that the first and second carrier films are both PET films.

4. The 3D optical structure of claim 2, wherein the first and second reflective coatings are both insulating structure layers.

5. The 3D optical structure of claim 2, wherein the second reflective film further comprises a light blocking layer disposed on the second reflective plating layer, and the pre-pattern is configured on the second reflective plating layer and the light blocking layer.

6. The 3D optical structure according to claim 5, wherein the light blocking layer is an ink layer.

7. A 3D optical structure according to claim 2, characterized in that the base part is connected to the first carrier film by a first adhesive layer and the first reflective coating is connected to the second carrier film by a second adhesive layer.

8. An electronic device comprising a 3D optical structure according to any of claims 1 to 7.

9. A method of making a 3D optical structure, comprising:

providing a second reflecting film, and constructing a prefabricated pattern on one side surface of the second reflecting film;

providing a first reflecting membrane, and attaching the other side surface of the second reflecting membrane to one side surface of the first reflecting membrane;

providing a transparent base, and attaching the other side surface of the first reflection film sheet to the base.

10. The method of claim 9, wherein the providing a second reflective film sheet, and the forming a pre-pattern on a side surface of the second reflective film sheet comprises:

providing a second carrier film, and constructing a second reflection coating on one side surface of the second carrier film through non-conductive electroplating;

a light blocking layer is constructed on the surface of the second reflection coating by coating ink;

and constructing the prefabricated pattern on the second reflection coating and the light-blocking layer through laser etching.