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Value model of diffractive optical element, diffractive optical element and manufacturing method thereof

A diffractive optical element and model technology, which is applied in the field of printing and packaging, physical optics anti-counterfeiting, can solve the problems that are not conducive to the production demand of molded holographic anti-counterfeiting labels, long production time, complicated process, etc., to restore the true color, expand the field of view, The effect of short process flow

Active Publication Date: 2022-02-15
上海冠众光学科技有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The process is complicated, the production time is long, and the success rate is low, which is not conducive to the production demand of mass production of molded holographic anti-counterfeiting labels

Method used

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  • Value model of diffractive optical element, diffractive optical element and manufacturing method thereof
  • Value model of diffractive optical element, diffractive optical element and manufacturing method thereof
  • Value model of diffractive optical element, diffractive optical element and manufacturing method thereof

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Embodiment Construction

[0070] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0071] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other Presence or addition of characteristics, wholes, steps, operations, elements, components and / or collections.

[0072] In order ...

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Abstract

The invention provides a diffractive optical element value model, a diffractive optical element and a manufacturing method thereof. The value model includes: at least dividing the value model area into three color value areas and a blank area; each color value The area includes at least one color value unit, and the color value units in the color value area are arranged sequentially from the center in an involute manner, and are used to set the arrangement of the grating substructures in the diffractive optical element. A diffractive optical element is produced based on the value model of the diffractive optical element, and a true-color hologram can be obtained universally, simply and efficiently by using the diffractive optical element.

Description

technical field [0001] The invention relates to the fields of physical optics anti-counterfeiting, printing and packaging, in particular to a diffractive optical element value model, a diffractive optical element and a manufacturing method thereof. Background technique [0002] At present, there are many methods for making true color holograms. Long Tao, School of Computer Science and Information Engineering, Chongqing Technology and Business University, pointed out in "Research on True Color Holograms" that "the recording and reproduction of color holograms is an important content in holographic display. The Bragg diffraction effect of layer interference fringes can reproduce a good true-color hologram with white light [1]. But this hologram can only be recorded on thick latex, and cannot be transferred to polyester film by molding. Now The holographic anti-counterfeiting marks widely used are molded holographic products, and their colorization is often achieved by monochr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/18G02B27/00
CPCG02B5/1819G02B5/1847G02B27/0012
Inventor 桑建新万华松
Owner 上海冠众光学科技有限公司
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