A method for automatic design of structural color pigment optical films
An optical film, structural color technology, applied in optics, optical components, instruments, etc., can solve the problems of high computer capacity requirements, low efficiency, and high experience requirements
Active Publication Date: 2021-03-05
NINGBO INLIGHT TECH CO LTD
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Problems solved by technology
The inventor of the present application found in the long-term research and development process that the above-mentioned method of designing optical films requires high experience, high requirements for computer capacity, and low efficiency
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[0012] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0013] Before describing the method of the present application in detail, the basic knowledge related to the present application and the state of the art are introduced first.
[0014] Structural color, also known as physical color, is a luster caused by the wavelength of light. It is due to the extremely thin wax layer, engraved points, grooves or scales on the insect body wall. , Various colors produced by refraction, diffuse reflection, diffraction or inter...
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This application discloses a method for automatic design of structural color pigment optical films, the method comprising: (1) determining the optical film in two angular directions according to the dependence requirements of structural color pigments on angles (whether to change color), hue requirements, and brightness requirements The above (normal incidence and oblique incidence) objective functions, the program automatically meets these two conditions during the design process; (2) The structural color pigment is a symmetrical structured optical film, and the program automatically meets this condition during the design process. The design process is: automatically adjust the refractive index and thickness of each layer of the optical film according to the optimization algorithm, and make the film system symmetrical, then calculate the reflectance by the matrix method, and compare it with the objective function to judge the adjusted optical film structure parameter value Whether the above conditions are met at the same time. If it is satisfied, the design purpose is achieved; if it is not satisfied, return and readjust. Through the above method, the present application can efficiently design pigment optical films without relying on experience.
Description
technical field [0001] The present application relates to the technical field of optical thin films, in particular to a method for automatic design of structural color pigment optical thin films. Background technique [0002] Structural color, also known as physical color, is a luster caused by the wavelength of light. It is due to the extremely thin wax layer, engraved points, grooves or scales on the insect body wall. , Various colors produced by refraction, diffuse reflection, diffraction or interference of light waves. With the commercialization of structural color technology, the design of optical films used to produce pigments is becoming more and more important. [0003] In the design of the optical film for the production of pigments, how to choose the material of the film structure and the thickness of the film layer to meet the design requirements? The existing optical thin film design methods mainly use general-purpose product design software and the experience ...
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IPC IPC(8): G02B27/00
CPCG02B27/0012
Inventor 马道远
Owner NINGBO INLIGHT TECH CO LTD