mmWave Antenna Assembly Using RFPCB to Cut Size and Noise
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Solution Overview
Problem
The implementation of a wireless communication system in the mmWave band leads to an increase in the number of parts and size of the antenna device, requiring additional space and a separate connection process for electrical connection to the main board.
Innovation Solution
The use of a rigid flexible printed circuit board (RFPCB) with flexible and rigid areas to integrate antenna patterns and components, eliminating the need for a separate connection part and reducing the overall size of the antenna device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a wireless communication system is implemented in the mmWave band, then communication capability is improved, but the number of parts and size of the antenna device increases
Solution Approach 1:
The patent combines the antenna device and connection part into a single integrated structure. The connection part is formed as an extension of the antenna device's circuit board, eliminating the need for separate mounting and connection processes. This merging reduces the overall volume while maintaining mmWave communication capability.
Solution Approach 2:
The circuit board serves multiple functions: it acts as both the antenna device substrate and the connection part for electrical connection to the main board. This multi-functionality reduces the number of separate components needed, thereby reducing the overall size of the antenna device while maintaining full communication functionality.
2Reliability
If a separate connection part is used for electrical connection to the main board, then connection reliability is improved, but mounting space and device complexity increase
Solution Approach 1:
The connection part is integrated directly into the antenna device's circuit board structure. The circuit board extends to form connection terminals that can be directly mounted to the main board, eliminating the need for separate connection parts. This reduces device complexity while maintaining connection reliability through direct electrical contact.
Solution Approach 2:
The circuit board is segmented into functional areas: one area serves as the antenna device with radiation elements, and another area extends to form the connection part with mounting terminals. This segmentation allows each area to be optimized for its specific function while being part of a single integrated structure, reducing overall complexity.
Data Source
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AI summary
An antenna device and an electronic device including the same are provided. The antenna device includes a housing that includes a first plate, a second plate facing a direction opposite to the first plate, and a side member surrounding a space between the first plate and the second plate, a display viewable through at least a portion of the first plate, an antenna assembly disposed within the housing wherein the antenna assembly includes a first printed circuit board, a second printed circuit board, at least one structure interconnecting the first printed circuit board and the second printed circuit board and including conductive paths, a plurality of conductive patterns, and a wireless communication circuit, a flexible printed circuit board, and a third printed circuit board.