Flexible Display Housing Layout for Touch and Lighting Integration
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Solution Overview
Problem
Conventional flexible displays face challenges in integrating touch functionality and back-lighting/front-lighting due to degradation of display flexibility and the presence of rigid components, which hinder collapsible designs.
Innovation Solution
The use of rigid portions within the housing to support and protect the flexible display, allowing for the integration of touch sensors and illumination modules outside the display area, maintaining flexibility and enabling collapsible states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standard touch screen technology (resistive, capacitive, ultrasonic) is integrated into flexible display, then touch functionality is enabled, but the flexibility and collapsibility of the display deteriorates due to rigid components
Solution Approach 1:
The touch sensor is divided into multiple segments that can be independently folded or collapsed along with the display. Each segment corresponds to a specific region of the display and maintains touch sensitivity while accommodating the flexible nature of the display structure.
Solution Approach 2:
The touch sensor structure is designed to be dynamic and adaptable, changing its configuration between extended and collapsed states. The sensor maintains functionality in both states through flexible conductive layers and adaptable electrode arrangements.
2Illumination intensity
If back-lighting or front-lighting components are added to flexible display, then illumination functionality is improved, but the display's ability to collapse and extend is compromised due to rigid lighting components
Solution Approach 1:
The lighting components are integrated into flexible substrates or thin films that can bend and fold with the display. The light sources (such as LEDs) are mounted on flexible circuits or directly on the display layers, allowing the lighting system to maintain illumination functionality while accommodating the flexible and collapsible structure.
3Ease of operation
If pressure-sensitive elements are positioned beneath flexible display for touch input, then touch functionality is achieved, but the display may be damaged due to external pressure and is unsuitable for collapsible design
Solution Approach 1:
The touch sensitivity is achieved not through pressure in the traditional sense, but through detection of electrical field disturbances, capacitive changes, or other physical phenomena that occur at different dimensional levels. This allows touch functionality without requiring rigid pressure-sensitive elements that could damage the flexible display during folding.
Data Source
AI summary
The invention relates to an electronic apparatus comprising a flexible display 12 cooperating with a housing 15 and conceived to be alternated between an at least partially collapsed state and an at least partially extended state, said housing 15 comprising a substantially rigid portion 16a , 16b , 16c conceived to at least partially support an outer region of a surface of the flexible display in the extended state, wherein said rigid portion 16a , 16b , 16c is arranged for at least partially receiving a functional module 18a, 18b, 18c of the electronic apparatus.