Flexible Display Screen Curved Shape Adsorption Mechanism

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Solution Overview

Problem

Existing flexible display screens cannot present changeable shapes during displaying, leading to aesthetic fatigue and poor visual experience.

Innovation Solution

A display device with a housing, reel, flexible display screen, and adsorption device, allowing the screen to be rolled and unrolled, and featuring an adsorption plate with airflow control for attaching the screen to different curved shapes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the flexible display screen is kept in a fixed shape, then the structure is simple and easy to manufacture, but the visual experience deteriorates due to aesthetic fatigue

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidshape changeability
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The display screen transitions from a static fixed shape to a dynamic configurable shape. The screen can be adjusted between flat and curved states, and can maintain different curved shapes according to the adsorption plate's configuration, enabling shape adaptability while maintaining manufacturing simplicity through the adsorption mechanism

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The adsorption plate serves as an intermediary between the flexible display screen and the housing. It provides the curved surface that the screen adheres to, enabling shape changeability without requiring complex integrated structures. The adsorption plate can be independently configured and replaced, separating the shape-control function from the screen and housing

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If the flexible display screen is made changeable in shape, then the visual experience improves, but the device complexity increases due to additional components

Engineering Contradiction:
Improveshape changeabilityVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The adsorption plate performs multiple functions: it provides structural support for the flexible display screen, defines the curved shape configuration, and enables shape transformation through its replaceable design. This multi-functionality reduces the need for separate components for each function, thereby limiting the increase in device complexity

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

Solution Approach 2:

The flexible display screen utilizes its own flexibility property to conform to the adsorption plate's curved surface through adsorption forces. The screen's inherent material characteristics are leveraged to achieve shape changeability without requiring additional active control mechanisms or complex actuation systems

Inventive Principle:
Principle #25Self-service

3Area of stationary object

If the flexible display screen is unrolled and displayed, then the display area increases, but the screen becomes vulnerable to deformation and damage

Engineering Contradiction:
Improvedisplay areaVSAvoidscreen stability
Core Design Contradiction:
Area of stationary objectVSReliability

Solution Approach 1:

The adsorption plate provides localized support and constraint to the flexible display screen at the curved surface interface. This localized adsorption force stabilizes the screen in its unrolled displayed state, preventing deformation and damage while maintaining the increased display area

Inventive Principle:
Principle #3Local quality

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 the flexible display screen to present different curved shapes when unrolled, enhancing aesthetic appeal and user experience while maintaining portability and protection.

Implementation Method 1

the power device is configured to be connected with the power connecting pipe so as to form adsorption air pressure for adsorbing the flexible display screen at the plurality of air holes

Methodology Applied
Scientific EffectAir pressure: Pressure Increase

Data Source

PatentEP4220610B1Display device
Publication Date: 2025.12.31 BOE TECHNOLOGY GROUP CO LTD
  • EP4220610B1 patent drawingFigure 1
  • EP4220610B1 patent drawingFigure 2
  • EP4220610B1 patent drawingFigure 3

AI summary

A display device, comprising: a housing (1), an accommodating space being provided inside the housing (1), and an opening (11) being provided on the surface of the housing (1); a reel (2), the reel (2) being rotatably installed in the accommodating space around its own axis; a flexible display screen (3), the flexible display screen (3) having a start end (31) and a terminal end (32) opposite to each other, and a display surface (33) and a fitting surface (34) opposite to each other, wherein the start end (31) is connected to the reel (2), the terminal end (32) is in a free state, so that the flexible display screen (3) can be rolled or unfolded around the reel (2); when the flexible display screen (3) is in a rolled state, the flexible display screen (3) is accommodated in the accommodating space, and when the flexible display screen (3) is in an unfolded state, the terminal end (32) extends out of the housing (1) from the opening (11); and an adsorption device (4), the adsorption device (4) comprising a display screen adsorption plate (41) located outside the housing (1), so that when the flexible display screen (3) is in an unfolded state, the adsorption device adsorbs the flexible display screen (4) so as to enable the fitting surface to be attached to the display screen adsorption plate (41). The display device can achieve the effect that the flexible display screen (3) presents different curved surface shapes when being unfolded.