Circuit Board Inspection Area for Accurate Attachment State Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Accurately judging the attaching state between a circuit board and a matching board is a technical challenge in electronic circuits, particularly in liquid crystal display devices, where existing methods fail to ensure proper alignment and pressure distribution, leading to potential misalignment and conductive particle deformation issues.
Innovation Solution
The circuit board incorporates a first circuit pattern and an attaching state inspection area with a third circuit pattern, featuring sub-sections and conductive particles in the vacant area, allowing for accurate assessment of the attaching state by mimicking the pressure distribution of the first circuit pattern, thereby ensuring precise alignment and detection of deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the circuit board is attached to the matching board without an inspection area, then the manufacturing process is simple, but the attaching state cannot be accurately judged
Solution Approach 1:
The circuit board is segmented into functional areas: a first circuit pattern area for normal operation and a third circuit pattern area (attaching state inspection area) for detection purposes. This segmentation allows the inspection function to be added without interfering with the main circuit functionality, resolving the contradiction between detection accuracy and structural simplicity.
Solution Approach 2:
The third circuit pattern acts as an intermediary element that enables attaching state detection. It is positioned in the attaching state inspection area and interacts with conductive particles to provide detection capability, serving as a mediator between the attachment process and the detection system without complicating the main circuit design.
2Manufacturing precision
If conductive particles are uniformly distributed without a third circuit pattern, then the manufacturing process is simple, but the pressure distribution during attachment is uneven leading to inaccurate detection
Solution Approach 1:
The third circuit pattern is designed with specific local characteristics - it is divided into multiple sub-sections with different positions and orientations. This local quality variation ensures that conductive particles experience uniform pressure distribution during attachment, as each sub-section contributes to pressure control in its specific region, thereby improving manufacturing precision without excessive complexity.
Solution Approach 2:
The third circuit pattern's sub-sections are arranged to dynamically respond to attachment forces. The segmented structure allows the circuit pattern to adapt to varying pressure conditions during the attachment process, ensuring uniform pressure distribution on conductive particles while maintaining manufacturing feasibility through standardized sub-section designs.
3Measurement precision
If the first circuit pattern and third circuit pattern have different heights or materials, then the manufacturing flexibility is higher, but the detection accuracy is reduced
Solution Approach 1:
The third circuit pattern is designed with homogeneous properties - same height and material as the first circuit pattern. This homogeneity ensures that both circuit patterns experience identical mechanical and electrical conditions during attachment, allowing accurate comparison and detection of conductive particle deformation. The homogeneous design maintains detection accuracy while the standardized approach actually simplifies the manufacturing process rather than reducing flexibility.
Data Source
AI summary
A circuit board is provided and the circuit board is used for being attached to a matching board. The circuit board includes a first circuit pattern and an attaching state inspection area, and the attaching state inspection area further includes a third circuit pattern. A liquid crystal display device is further provided, including the circuit board and the matching board, the matching board includes a second circuit pattern matching the circuit board. It is more accurate to judge the attaching state between the circuit board and the matching board by detecting the deformation state of the conductive particles in vacant areas at different locations after the circuit board is attached to the matching board.