Flexible Display Antenna Integration for 5G
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Solution Overview
Problem
The increasing demand for 5G communication requirements in electronic devices necessitates more antennas with higher frequencies and bandwidths, but the shrinking space in flexible displays poses a challenge in accommodating these antennas without compromising the display area.
Innovation Solution
A flexible display design that integrates antenna regions with metal traces on the polarizing, optically clear adhesive, or cover glass/polyimide layers, allowing for multiple antenna subregions at the edges or surfaces of the display, which function as antennas without the need for separate space reservation, thereby optimizing both display and communication capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If separate antenna space is reserved in the electronic device, then antenna communication function is ensured, but display area is reduced
Solution Approach 1:
The patent merges the antenna structure with the display structure by integrating metal traces directly into the display layers (polarizing layer, OCA layer, or CG/PI layer). This combination eliminates the need for separate antenna space while maintaining both display and communication functions, effectively resolving the contradiction between maximizing display area and ensuring antenna functionality.
2Reliability
If antenna clearance is maximized for 5G communication, then communication performance is improved, but display area is reduced
Solution Approach 1:
The patent utilizes the vertical dimension by positioning antenna metal traces at different heights within the display layer structure. By leveraging the thickness of display layers (polarizing layer, OCA layer, CG/PI layer), the antenna achieves sufficient clearance for 5G communication performance while maintaining a compact footprint that preserves display area.
3Reliability
If multiple antennas are added for 5G bandwidth requirements, then communication capability is enhanced, but device complexity increases
Solution Approach 1:
The patent designs the display layer structure to serve dual functions: displaying visual content and housing antenna traces for 5G communication. The same structural layers (polarizing layer, OCA layer, CG/PI layer) that provide display functionality also accommodate multiple antenna traces, thereby supporting enhanced communication capability without proportionally increasing device complexity.
Data Source
AI summary
A flexible display includes: an antenna region, provided thereon with a metal trace configured as an antenna of an electronic device to receive or transmit a signal; and a display region configured to display screen content of the electronic device.