Flame-Resistant Electrophoretic Interior Surfaces for Virtual Windows

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Solution Overview

Problem

Existing vehicle displays, particularly in aircraft, face issues with power consumption, visibility under varying conditions, and limited situational awareness for pilots and passengers, leading to dissatisfaction and safety concerns.

Innovation Solution

Integration of flame-resistant electrophoretic surfaces into vehicle interior components, which can display images without continuous power and provide virtual windows or mirrors, using electrophoretic films or coatings, and optionally coupled with cameras for real-time image capture and display.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If LED or LCD displays are used in vehicle interiors, then dynamic content display capability is achieved, but power consumption increases and visibility becomes inconsistent under varying ambient brightness conditions

Engineering Contradiction:

Improvedynamic content display capabilityVSAvoidpower consumption

Core Design Contradiction:

Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The electrophoretic display updates content only when changes are needed rather than continuously refreshing, significantly reducing power consumption while maintaining dynamic content display capability. The display transitions between static and updated states based on content change requirements.

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The display adapts its optical properties by changing the distribution of pigment particles within capsules in response to ambient light conditions, enabling consistent visibility across varying brightness environments without increasing power consumption.

Inventive Principle:

Principle #35Parameter changes

2Adaptability or versatility

If LED or LCD displays are used in vehicle interiors, then dynamic content display capability is achieved, but display footprint and size increase

Engineering Contradiction:

Improvedynamic content display capabilityVSAvoiddisplay footprint

Core Design Contradiction:

Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The electrophoretic display uses thin film structures with pigment-filled capsules that can be integrated into existing vehicle interior surfaces without requiring bulky display housings or mounting structures, significantly reducing footprint while maintaining full dynamic content display functionality.

Inventive Principle:

Principle #30Flexible shells and thin films

3Loss of information

If traditional displays are used in aircraft interiors, then passenger information display is provided, but pilot visibility and situational awareness remain limited

Engineering Contradiction:

Improvepassenger information displayVSAvoidpilot visibility and situational awareness

Core Design Contradiction:

Loss of informationVSReliability

Solution Approach 1:

The electrophoretic display surfaces are integrated into multiple vehicle interior components including windows, seatbacks, overhead bins, and dividers, enabling a single technology to serve both passenger information display and pilot situational awareness functions simultaneously across different locations and contexts.

Inventive Principle:

Principle #6Universality (Multi-functionality)

4Use of energy by moving object

If electrophoretic displays are integrated into vehicle interior surfaces, then power efficiency and visibility are improved, but flame resistance requirements must be met

Engineering Contradiction:

Improvepower efficiencyVSAvoidflame resistance

Core Design Contradiction:

Use of energy by moving objectVSObject-affected harmful factors

Solution Approach 1:

The display system combines electrophoretic capsules containing flame-resistant liquid crystals with transparent protective layers and conductive electrode materials to create a composite structure that maintains both the power efficiency of electrophoretic display technology and the flame resistance required for vehicle interior safety standards.

Inventive Principle:

Principle #40Composite materials

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

Enhances pilot visibility, alleviates passenger dissatisfaction, and improves situational awareness by providing power-efficient, sunlight-readable displays that can show real-time external views or personalized information without power consumption, while offering safety benefits in emergencies.

Implementation Method 1

Each capsule also includes a small amount of pigment particles of one or more colors and corresponding electrical charge(s). The pigment particles migrate electrophoretically between the front of the capsule (facing the viewer) and the back of the capsule (away from the viewer) according to the electrostatic manipulation provided by the electrodes.

Methodology Applied

Scientific EffectElectrophoresis: Electrophoresis

Implementation Method 2

The substrate is sandwiched between electrodes that effectuate the electrostatic manipulation of the pigment particles within the capsules. The back electrode may be divided up according to addressable pixels, and appropriate voltages may be applied between the pixel electrodes and the front electrode to form an image on the display.

Methodology Applied

Scientific EffectElectrostatic manipulation: Electrostatics

Data Source

PatentUS12479578B2Active display interior vehicle surfaces

Publication Date: 2025.11.25 THE BOEING CO

AI summary

Techniques for providing a display inside a vehicle are presented. The techniques can include: providing an electrophoretic surface integrated into an internal component of the vehicle, where the electrophoretic surface is flame resistant, and where the electrophoretic surface is configured to display an image within the vehicle; and controlling the electrophoretic surface using an electronic controller communicatively coupled to the electrophoretic surface.