Moiré Pattern Display Sheet With Light Steering Optical Layer
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Solution Overview
Problem
Conventional moiré pattern display techniques are limited in creating layered image effects and have limited applications, necessitating new or improved methods for generating and utilizing moiré patterns for visual depth effects.
Innovation Solution
A moiré pattern display sheet is created with a first layer having a series of vector-based graphics visual elements distorted in a specific direction, overlaid with a light steering optical layer that changes light direction, providing a depth effect to the viewer, and can be used in applications such as hidden messages, stamps, and cards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional moiré pattern display techniques are used, then layered image effects can be created, but the applications and visual impact are limited
Solution Approach 1:
The display is divided into multiple independent layers: a first layer containing distorted visual elements and a second layer containing the light steering optical pattern. This segmentation allows each layer to be optimized independently and enables diverse applications by varying the content of either layer without redesigning the entire system.
Solution Approach 2:
The moiré pattern display system is designed to serve multiple functions and applications simultaneously. The same basic structure can create depth effects, hidden messages, security features, and various visual patterns by simply changing the visual elements in the first layer while keeping the optical layer unchanged.
2Shape
If distorted visual elements are used to create depth effect, then layered image effect is achieved, but the original image cannot be viewed directly
Solution Approach 1:
The light steering optical pattern acts as an intermediary that translates the distorted visual elements into their correct spatial positions. When viewed through the optical layer, the distorted elements are optically corrected to form the original undistorted image, while the distortion remains visible when viewed directly without the optical layer.
3Illumination intensity
If light steering optical layer is added to provide depth effect, then visual impact is enhanced, but manufacturing complexity increases
Solution Approach 1:
The light steering optical layer utilizes changes in light parameters (direction, angle) rather than complex mechanical structures. By varying the optical parameters of the second layer, diverse visual effects and depth perceptions are achieved without requiring complex manufacturing processes, maintaining ease of production.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enables the creation of enhanced visual depth effects in moiré pattern displays, allowing for the revelation of undistorted images through the use of a light steering optical element, expanding the range of applications and improving the visual impact of moiré patterns in various products.
Implementation Method 1
The light steering optical layer comprises a plurality of optical features which change the direction of the light and thereby provide a depth effect of the series of visual elements to a viewer looking through the light steering optical layer
Implementation Method 2
This technique may be referred to as the creation of moiré patterns which is an interferometric effect
Data Source
AI summary
A moiré pattern display sheet defined by a surface is described. A first layer has a pattern printed thereon. The pattern includes a series of visual elements in a first row that have been distorted at least in a first direction. The series of visual elements is generated from an electronically saved file of vector based graphics. A light steering optical layer overlaying the first layer. The light steering optical layer comprising a plurality of optical features which change the direction of the light and thereby provide a depth effect of the series of visual elements to a viewer looking through the light steering optical layer.