Flexible E-Paper Display for Retail Shelf Edge Information

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Solution Overview

Problem

Implementing Electronic Shelf Label (ESL) technology across a large retail store is impractical due to the high cost and power consumption of traditional e-paper displays, especially for low-value items, as thousands of labels are needed to manage the vast number of products.

Innovation Solution

A low-cost, low-power consumption, flexible e-paper display system without a glass backplane, utilizing a separate driving mechanism and wireless communications to update information on shelf edges, allowing for durable and efficient display and updating of prices and other information.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional e-paper displays with glass backplanes are used for Electronic Shelf Labels, then display quality and durability are improved, but cost and power consumption increase significantly

Engineering Contradiction:
Improvedisplay durabilityVSAvoidpower consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent removes the glass backplane and active matrix transistor array from traditional e-paper displays, extracting only the essential electrophoretic frontplane functionality. This extraction eliminates the power-hungry refresh mechanism while maintaining the reflective display quality, thereby reducing power consumption without sacrificing display durability.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The invention employs a disposable or replaceable frontplane that can be independently replaced without the expensive glass backplane infrastructure. This approach reduces the cost per display unit and allows for simpler, lower-power driving mechanisms, making ESL deployment economically viable for retailers.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Adaptability or versatility

If thousands of individual ESLs are deployed to manage vast product numbers, then product information coverage is improved, but overall cost and complexity increase

Engineering Contradiction:
Improveproduct information coverageVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent designs a universal frontplane module that can be applied across multiple shelf positions and product types. This standardized module provides consistent display functionality throughout the store, reducing the need for custom solutions and simplifying inventory management while maintaining comprehensive product information coverage.

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

Solution Approach 2:

The display system is segmented into independent, modular frontplane units that can be individually replaced or updated. This segmentation allows retailers to deploy displays incrementally and manage complexity by treating each unit as a standalone component rather than part of a monolithic system.

Inventive Principle:
Principle #1Segmentation

3Stability of the object's composition

If glass backplanes are used in e-paper displays, then manufacturing stability is improved, but flexibility and durability for various installation surfaces are reduced

Engineering Contradiction:
Improvemanufacturing stabilityVSAvoidinstallation surface flexibility
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The patent replaces rigid glass backplanes with flexible thin-film substrates that can conform to various installation surfaces including curved shelf edges and irregular geometries. These flexible films maintain sufficient structural stability for manufacturing while enabling versatile deployment across different retail environments and surface types.

Inventive Principle:
Principle #30Flexible shells and thin films

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

Enables retailers to display and automatically update information on entire shelf edges with a flexible, durable, and cost-effective e-paper solution, enhancing customer experience and generating additional revenue by utilizing a flexible e-paper display that covers the entire shelf edge, reducing the need for multiple labels and minimizing power usage.

Implementation Method 1

A display with an electrophoretic frontplane forms visible images by rearranging charged pigment particles using an applied electric field

Methodology Applied
Scientific EffectElectrophoresis: Electrophoresis

Implementation Method 2

When the particles are located at the front (viewing) side of the display, it appears white, because light is scattered back to the viewer by the high-index titania particles

Methodology Applied
Scientific EffectLight scattering: Scattering

Implementation Method 3

When the particles are located at the rear side of the display, it appears dark, because the incident light is absorbed by the colored dye

Methodology Applied
Scientific EffectLight absorption: Absorption (EM radiation)

Data Source

PatentEP2973531B1Method and apparatus for electronically displaying information
Publication Date: 2019.07.17 METRC LLC
  • EP2973531B1 patent drawingFigure 1~2
  • EP2973531B1 patent drawingFigure 3~4
  • EP2973531B1 patent drawingFigure 5

AI summary

Embodiments of the present invention relate to a mass resolving aperture that may be used in an ion implantation system. Embodiments of the present invention relate to a mass resolving aperture that is segmented, adjustable, and/or presents a curved surface to the oncoming ion species that will strike the aperture. Embodiments of the present invention also relate to the filtering of a flow of charged particles through a closed plasma channel ("CPC") superconductor, or boson energy transmission system.