Shielded Flexible Circuit Board Layout for Camera Signal Integrity
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Solution Overview
Problem
Existing electronic devices lack efficient integration of components, particularly in terms of circuit boards, which can lead to inefficiencies in performance and functionality.
Innovation Solution
The integration of a flexible circuit board with a first and second rigid portion connected by a flexible portion, along with a shielding and ground layer, enhances the structural integrity and performance of electronic devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a flexible circuit board with multiple rigid portions and a flexible portion is used, then the structural integrity and performance of the electronic device are improved, but the device complexity increases
Solution Approach 1:
The circuit board is divided into multiple rigid portions (first rigid portion, second rigid portion) and a flexible portion, allowing each segment to serve specific functions while maintaining overall structural integrity. The rigid portions provide stable mounting areas for components, while the flexible portion allows for bending and connection between sections.
Solution Approach 2:
Different portions of the circuit board have different mechanical properties - rigid areas where component mounting is required and flexible areas where bending is needed. This local differentiation of properties optimizes both structural integrity and adaptability without requiring the entire board to be complex.
2Object-affected harmful factors
If shielding layers and ground layers are integrated into the flexible circuit board, then signal interference is reduced, but the manufacturing complexity increases
Solution Approach 1:
The shielding layer and ground layer are integrated directly into the flexible circuit board structure, combining multiple functions (signal grounding, electromagnetic shielding, and mechanical support) into a single component. This eliminates the need for separate shielding components and simplifies the overall assembly process.
Solution Approach 2:
The flexible circuit board incorporates multiple functional layers including conductive layers for grounding and shielding, insulating layers, and flexible substrate materials. This composite structure provides both electromagnetic interference protection and mechanical flexibility within a single manufactured component.
Data Source
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AI summary
The present invention relates to an electronic device. The electronic device according to an embodiment of the present invention comprises: a housing; a circuit board disposed inside the housing; a camera assembly spaced apart from the circuit board; and a flexible circuit board including a first rigid portion, which is connected to the camera assembly, a second rigid portion, which is connected to the circuit board, and a flexible portion, which connects the first rigid portion and the second rigid portion. The flexible circuit board may include: a base material layer; a first conductive layer coupled to the base material layer; a first shielding layer that is spaced apart from the first conductive layer and includes a 1-1 shielding layer portion located in the first rigid portion, a 1-2 shielding layer portion located in the second rigid portion, and a 1-3 shielding layer portion located in the flexible portion; and a first grounding layer which is connected to the first shielding layer and at least a portion of which extends along the perimeter of the first rigid portion. Various other embodiments are also possible.