Asymmetric Optical Device with Selective Light Modulator

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Solution Overview

Problem

Current manufacturing methods for optical devices like foils and flakes fail to produce materials with sufficient chromaticity and strong metallic effects, often requiring costly multilayer paint systems that are not compatible with standard industry equipment.

Innovation Solution

The development of optical devices with a simplified construction and reduced layer count, utilizing a reflector layer and a selective light modulator layer deposited using a liquid coating process, which allows for higher aspect ratio particles and enhanced optical properties, including a flake-like form with asymmetric layer structures that provide different visual and non-visual attributes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional manufacturing methods are used for optical devices, then production can be achieved with standard equipment, but the optical devices do not provide sufficient chromaticity and metallic effects

Engineering Contradiction:
Improveoptical properties (chromaticity and metallic effects)VSAvoidmanufacturing complexity and cost
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The patent employs composite material structures combining organic and inorganic layers with specific refractive indices. The multi-layer composition includes alternating high and low refractive index materials designed to produce enhanced optical interference effects, achieving superior chromaticity and metallic flop through the composite structure's interaction with light

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The invention utilizes precise control of layer thickness parameters and refractive index variations to optimize optical performance. By adjusting the thickness of each layer and selecting materials with specific refractive indices, the system achieves desired chromatic effects and metallic appearance through parameter optimization rather than complex manufacturing processes

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If multilayer paint systems are used to achieve desired optical effects, then chromaticity and metallic effects can be improved, but manufacturing cost increases and compatibility with standard equipment is lost

Engineering Contradiction:
Improvechromaticity and metallic effectsVSAvoidlayer count and manufacturing process complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent extracts and eliminates unnecessary intermediate layers from traditional multi-layer paint systems. By removing redundant layers and consolidating functional requirements into a optimized multi-layer structure, the invention achieves the same or superior optical effects with fewer layers, reducing manufacturing complexity while maintaining performance

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The invention designs layers that perform multiple functions simultaneously. Each layer in the multi-layer structure contributes to both optical interference effects and structural integrity, allowing a single layer to provide chromatic effects, metallic appearance, and durability, thereby reducing the total number of layers needed compared to traditional specialized paint systems

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

This approach reduces manufacturing costs, enhances optical properties, and achieves high chromaticity and metallic effects without relying on interference, enabling the creation of materials with improved alignment and performance.

Implementation Method 1

a first selective light modulator layer external to the first surface of the reflector

Methodology Applied
Scientific EffectSelective light modulation: Absorption (EM radiation)

Implementation Method 2

a reflector having a first surface; and a first selective light modulator layer external to the first surface reflector

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentUS20240377694A1Optical devices with asymmetric layer structure
Publication Date: 2024.11.14 VIAVI SOLUTIONS INC(US)
  • US20240377694A1 patent drawing
  • US20240377694A1 patent drawing
  • US20240377694A1 patent drawing

AI summary

An article includes a reflector having a first surface, a second surface opposite the first surface, and a third surface; and a first selective light modulator layer external to the first surface of the reflector; wherein the third surface of the reflector is open. A method of making an article is also disclosed.