Polymorphic Electro-Optic Displays with Diverse Pixel Properties

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional electro-optic displays are limited in their ability to provide a wide range of functions and adaptability, as they consist of pixels with uniform operable properties, restricting their flexibility and functionality in displaying various messages or symbols.

Innovation Solution

The development of polymorphic displays, which incorporate multiple types of pixels with diverse operable properties such as stability, sequencing, and switching properties, allowing for dynamic transition sequences and responsive behavior to different electrical signals, enabling a broader range of display capabilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional displays use uniform pixels with identical operable properties, then manufacturing and control are simplified, but adaptability and versatility are reduced

Engineering Contradiction:
Improvedisplay functionalityVSAvoidpixel type diversity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a polymorphic display system where a single display device incorporates multiple types of pixels (mono-stable, bi-stable, multi-stable) that can perform different functions. Each pixel type contributes unique operable properties such as different stability characteristics, switching behaviors, and transition sequences, enabling the display to handle diverse display needs within one unified device structure.

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

Solution Approach 2:

The patent applies local quality by assigning different operable properties to different pixels within the same display. Specifically, certain pixels are configured as mono-stable for temporary display needs, while others are bi-stable or multi-stable for permanent or long-term display requirements. This spatial differentiation of pixel properties allows the display to optimize performance for different functional regions.

Inventive Principle:
Principle #3Local quality

2Adaptability or versatility

If a display uses multiple pixel types with different operable properties, then adaptability and functionality are enhanced, but device complexity increases

Engineering Contradiction:
Improvetransition sequencing capabilityVSAvoidcontrol mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic control mechanisms that can adaptively manage different pixel types based on display requirements. The control system dynamically selects appropriate transition sequences and switching behaviors for different pixel types, allowing the display to flexibly respond to various operational conditions without requiring separate control circuits for each pixel type.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent segments the control approach by developing independent control methodologies for different pixel types (mono-stable, bi-stable, multi-stable) while maintaining a unified overall control architecture. Each pixel type has its own optimized control protocol that leverages its specific operable properties, reducing the complexity of managing diversity through standardized segmentation strategies.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If conventional displays are designed for specific purposes, then performance for that purpose is optimized, but flexibility for other applications is reduced

Engineering Contradiction:
Improveapplication rangeVSAvoidoperable property consistency
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent utilizes parameter changes by allowing the display system to dynamically adjust the operational parameters of different pixel types based on the required application. The system can change stability parameters, switching thresholds, and transition sequences to match specific display needs, thereby maintaining reliable performance across diverse applications while preserving the unique characteristics of each pixel type.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS11353693B2Polymorphic electro-optic displays
Publication Date: 2022.06.07 ATKINSON PAUL
  • US11353693B2 patent drawing
  • US11353693B2 patent drawing
  • US11353693B2 patent drawing

AI summary

Described herein is a polymorphic display, which is a unitary apparatus constructed such that a wide variety of electro-optic functions are enabled. The polymorphic display, even when having multiple pixels, enables sharing of selected structures among the pixels. In a multi-pixel construction, there is a set of pixels in the display that exhibit one set of operable properties, such as particular stability, sequencing, and switching properties, and another set of pixels that are different from the first set. That is, they have different stability, sequencing, or switching properties. In such a way, a highly flexible polymorphic display may be construed to satisfy a wide range of display need.