Circuit Board Assembly with Overlapping Light Sensor and Camera Connector
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Solution Overview
Problem
Circuit boards in terminals like mobile phones and tablets face space constraints due to the parallel arrangement of electronic components such as light sensors and camera modules, which occupy significant space.
Innovation Solution
A circuit board assembly design that overlaps projections of a light sensor and camera module connector on a plane parallel to the board, using flexible printed circuits and a reinforcement plate to reduce space occupancy, with the light sensor laminated perpendicularly on the connector and a cushion to minimize impact, allowing for efficient layout and reduced thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If electronic components are arranged parallel to the circuit board side, then the components can be easily mounted and connected, but the occupied space on the circuit board increases significantly
Solution Approach 1:
The patent transitions from a two-dimensional parallel arrangement of components on the circuit board to a three-dimensional stacked arrangement. The light sensor is positioned above the camera module connector, utilizing the vertical dimension (thickness direction) to reduce the horizontal footprint on the circuit board. This dimensional change allows components to be stacked vertically rather than spread out horizontally, effectively resolving the space occupation problem while maintaining manufacturing feasibility through standardized connection interfaces.
2Area of stationary object
If components are stacked vertically to reduce space, then the occupied area is reduced, but the structural stability and impact resistance may be compromised
Solution Approach 1:
The patent employs a composite structural design where the light sensor, camera module connector, and reinforcement plate are integrated into a unified assembly. The reinforcement plate acts as a structural support element that enhances the overall mechanical strength and impact resistance of the stacked component arrangement. This composite approach allows the vertical stacking configuration to maintain both space efficiency and structural integrity by combining multiple functional and structural elements into a reinforced assembly.
Data Source
AI summary
A circuit board assembly includes a circuit board having a first side and a second side opposite to the first side, a light sensor arranged on the circuit board and electrically coupled to the circuit board, and a camera module. The camera module includes a connector arranged on the circuit board and electrically coupled to the circuit board. Projections of the light sensor and the connector on a plane parallel to the first side and the second side are fully or partially overlapped with each other. A related terminal is also provided.