Display Assembly Layout With Flex Antenna and Moisture Sealing
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Solution Overview
Problem
Existing electronic devices face limitations in performance due to the inclusion of multiple components in a compact form factor, which can hinder the functionality of individual components and the device as a whole.
Innovation Solution
The electronic device incorporates a housing with optimized arrangements and configurations that maximize internal volume for components like batteries, utilize flexible electrical connectors for antennas, and employ sealing components to prevent liquid ingress, while allowing for enhanced antenna performance and grounding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If multiple components are included in a compact form factor to enhance portability, then device portability is improved, but component functionality and device performance deteriorate
Solution Approach 1:
The device is divided into multiple functional layers including display layer, touch-sensitive layer, and operational components, each optimized for its specific function while maintaining overall compactness. This segmentation allows each component to perform its function effectively without interference from others.
Solution Approach 2:
Components are nested within the device housing in a layered configuration where the display assembly, touch-sensitive layer, and operational components are positioned at different depths. This nesting approach maximizes space utilization while maintaining component functionality.
2Reliability
If components are arranged to maximize performance in specific situations, then component performance is improved, but device complexity increases
Solution Approach 1:
The flexible electrical connector serves multiple functions: it provides electrical connection between components and simultaneously acts as an antenna for wireless communication. This multi-functionality reduces the number of separate components needed, thereby simplifying the overall device structure while maintaining performance.
Solution Approach 2:
The grounding structure is integrated with the housing rather than being a separate component, and the flexible electrical connector combines electrical connection and antenna functions. This merging approach reduces component count and simplifies the device architecture.
3Reliability
If flexible electrical connectors with electromagnetic antennas are used to enhance antenna performance, then wireless communication capability is improved, but device size increases
Solution Approach 1:
The flexible electrical connector is designed to perform dual functions as both an electrical connector and an electromagnetic antenna. This eliminates the need for separate antenna components, maintaining wireless communication capability while avoiding additional size increase.
Solution Approach 2:
The flexible electrical connector uses a thin, flexible substrate that can be easily integrated into the compact device structure without adding significant volume, while still providing adequate antenna performance for wireless communication.
4Reliability
If sealing components are added to prevent liquid ingress, then device reliability is improved, but manufacturing complexity increases
Solution Approach 1:
The sealing component is integrated with the housing structure rather than being a separate assembly step. This integration allows the sealing function to be achieved during the housing manufacturing process itself, reducing overall manufacturing complexity while providing effective liquid ingress protection.
Data Source
AI summary
An electronic device can include a housing defining an aperture and a display assembly at least partially positioned in the aperture. The display assembly can include a substrate having a conductive portion, a display layer having pixels, a touch sensitive layer positioned on a first side of the substrate, an operational component positioned on a second side of the substrate opposite the first side, and a flexible electrical connector electrically coupled with the conductive portion and the operational component. The flexible electrical connector can include an electromagnetic antenna. A transparent cover can overlay the display assembly and can be secured to the housing.