Roll-up Flexible Display with Rotating Mechanism

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Solution Overview

Problem

Current flexible LED displays are heavy and inflexible due to their conventional configuration with many components, leading to high error and failure rates, and are not suitable for outdoor use due to lack of proper LED usage and design.

Innovation Solution

A lightweight, flexible roll-up display using addressable LEDs with a rotating mechanism that eliminates the need for multiple components, allowing for cylindrical folding and easy carrying, and integrates a circuit board with FPGA processing for HDMI input compatibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Weight of moving object

If conventional flexible LED displays use multiple components and PCB configurations, then display functionality is achieved, but weight increases and flexibility decreases

Engineering Contradiction:
Improvedisplay weightVSAvoidcomponent quantity
Core Design Contradiction:
Weight of moving objectVSDevice complexity

Solution Approach 1:

The patent combines multiple separate components (LEDs, resistors, capacitors, control circuits) into a single integrated flexible display module. The display module integrates the LED array with its driving circuitry and control elements on one flexible substrate, eliminating the need for separate PCB boards and individual component mounting, thereby reducing overall weight and device complexity while maintaining full display functionality

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The flexible display module serves multiple functions within a single integrated structure: it provides the LED display function, incorporates control circuitry for pixel addressing, includes signal processing capabilities, and maintains mechanical flexibility. This multi-functional integration reduces the need for separate specialized components, decreasing both weight and complexity

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

2Adaptability or versatility

If conventional LED displays are designed for indoor use, then display quality is maintained, but adaptability to outdoor environments decreases

Engineering Contradiction:
Improveenvironmental adaptabilityVSAvoiddisplay performance
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent modifies key display parameters to enable outdoor adaptability: it increases the pixel brightness output to overcome outdoor ambient light conditions, adjusts the viewing angle characteristics for broader visibility, and modifies the protective coating properties to resist environmental factors like moisture and UV radiation. These parameter changes allow the display to maintain reliability across different environments from indoor to outdoor settings

Inventive Principle:
Principle #35Parameter changes

3Stability of the object's composition

If display structure is made rigid for stability, then structural integrity is improved, but flexibility and portability worsen

Engineering Contradiction:
Improvestructural stabilityVSAvoidflexibility
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The patent employs a flexible substrate as the base structure for the entire display module, replacing traditional rigid PCB boards. This flexible film structure provides sufficient mechanical stability to support the LED array and circuitry while allowing the display to be bent, rolled, or folded without damage, thereby achieving both structural integrity and flexibility for portable applications

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

The solution provides a flexible, high-pixel-rate display suitable for both indoor and outdoor use, enabling effective communication through video playback and reducing storage space requirements when not in use.

Implementation Method 1

The present invention particularly relates to a flexible display and a rotating mechanism thereof which comprise a display wherein addressable LEDs are used

Methodology Applied
Scientific EffectLight Emitting Diode: Light Emitting Diode

Implementation Method 2

LED lights are light sources which can be commanded, colored and programmed individually

Methodology Applied
Scientific EffectElectroluminescence: Electroluminescence

Data Source

PatentUS11935446B2Roll-up flexible display
Publication Date: 2024.03.19 INFINIA MUHENDISLIK LTD STI
  • US11935446B2 patent drawing
  • US11935446B2 patent drawing
  • US11935446B2 patent drawing

AI summary

The present invention relates to a flexible display which uses flexible LED display technology, can be used in indoors, and is designed in the form of a roll-up. The present invention particularly relates to a flexible display and a rotating mechanism thereof which comprise a display wherein addressable LEDs are used and thus enable to eliminate the need for use of a plurality of components.