Display Panel Chip Mounting Base Plate Structure
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Solution Overview
Problem
Display panels face issues with chip movement or damage during assembly, which can affect their display function due to external forces.
Innovation Solution
Incorporating a base plate with a receiving portion in the chip mounting region, which is designed to securely hold the chip and distribute forces evenly, preventing damage and ensuring proper electrical connection to the substrate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the chip is mounted directly on the substrate without a base plate, then the device complexity is reduced, but the chip is susceptible to movement or damage under external forces
Solution Approach 1:
A base plate is introduced as an intermediary component between the chip and the substrate. The base plate includes a receiving portion that securely holds the chip, preventing direct contact with the substrate and protecting the chip from external forces while maintaining electrical connection through the flexible circuit board.
Solution Approach 2:
The mounting structure is segmented into distinct functional components: the base plate for mechanical support and protection, the receiving portion for chip positioning, and the flexible circuit board for electrical connection. This segmentation allows each component to optimize its specific function while working together as a unified mounting system.
2Strength
If a rigid mounting structure is used to protect the chip, then the chip is protected from damage, but light leakage may occur and display effectiveness is reduced
Solution Approach 1:
The flexible circuit board serves as a thin, flexible mounting structure that provides mechanical support and protection for the chip while maintaining optical transparency. Unlike rigid mounting structures, the flexible material allows light to pass through without significant obstruction, preventing light leakage and maintaining display effectiveness while still protecting the chip from damage.
Data Source
AI summary
A display panel includes a first substrate; a second substrate, a base plate and a chip. The second substrate comprises a region overlapping with the first substrate and a region not overlapping with the first substrate, and a region for mounting a chip is disposed in the non-overlapping region. The base plate is disposed within the chip mounting region and has a receiving portion. The chip is disposed within the receiving portion of the base plate and electrically connected to the second substrate.