Flexible Display Side Protector with Metal Layer
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Solution Overview
Problem
Flexible displays utilizing organic light-emitting phenomena face inadequate display performance due to moisture ingress and abrasion issues when rolled, leading to degradation of organic light-emitting layers and image quality.
Innovation Solution
A flexible display design incorporating a metal-layered protector that covers the side surface extending from the display surface to the back surface, providing moisture resistance and preventing abrasion by maintaining separation between the display and back surfaces during rolling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the flexible display is made pliable to achieve greater adaptability, then the adaptability and flexibility are improved, but the display performance deteriorates due to moisture ingress and abrasion when rolled
Solution Approach 1:
The protective structure is segmented into multiple functional layers: a moisture barrier layer applied to the display surface, a moisture absorbent layer in the flexible base, and a side protector covering the side surface. This segmentation allows each layer to address specific protection needs while maintaining overall flexibility.
Solution Approach 2:
The flexible base is constructed as a composite structure combining a flexible substrate with a moisture absorbent layer. The side protector combines a rigid protective material with a flexible adhesive layer, creating a composite that provides both protection and flexibility.
2Ease of manufacture
If the side surface is left exposed to maintain flexibility, then the ease of manufacture is improved, but moisture ingress and abrasion occur leading to degradation of organic light-emitting layers
Solution Approach 1:
The side protector comprises a rigid protective material covered with a flexible adhesive layer that can conform to the side surface geometry. This flexible thin film structure provides protection against moisture and abrasion while accommodating the flexible nature of the display.
Solution Approach 2:
The flexible adhesive layer acts as an intermediary between the rigid protective material and the flexible display, allowing the protective structure to adhere to and move with the flexible substrate without cracking or detaching.
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 enhances display performance by preventing moisture ingress and reducing abrasion, ensuring consistent image quality and extending the lifespan of the organic light-emitting layers.
Implementation Method 1
The protector includes a metal layer and covers a region extending from a portion of the display surface through the side surface to a portion of the back surface
Implementation Method 2
an organic light-emitting layer formed on an insulating substrate is covered with a moisture barrier layer and a moisture absorbent layer in order to decrease the degree of reduction in luminous efficiency in the organic light-emitting layer due to moisture
Data Source
AI summary
A display includes a display section including a flexible base and an image display layer that is supported by the flexible base and displays an image by utilizing an organic light-emitting phenomenon, in which the display section has a display surface on which the image is to be displayed, a back surface located opposite to the display surface, and a side surface located between the display surface and the back surface and coupled to each of the display surface and the back surface, and a protector provided along at least a portion of the side surface of the display section. The protector includes a metal layer and covers a region extending from a portion of the display surface through the side surface to a portion of the back surface.