Display Panel Substrate Buckle Alignment Mechanism
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Solution Overview
Problem
Position deviations between the color filter substrate and the thin film transistor substrate during the assembly process of display panels can lead to light leakage and other defects, affecting the panel's yield and production costs.
Innovation Solution
Incorporating buckle portions and corresponding marks on the substrates to ensure precise alignment and prevent displacement during assembly, utilizing grooves and protrusions for secure matching without increasing manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional assembly methods without buckle portions are used, then the assembly process is simple, but position deviation occurs between substrates causing light leakage and defects
Solution Approach 1:
The substrate structure is segmented by adding separate buckle portions (grooves and protrusions) that are distinct from the main substrate body. These buckle portions are specifically designed to interlock with corresponding features on adjacent substrates, providing dedicated positioning functionality without complicating the overall substrate design.
Solution Approach 2:
The buckle portions act as intermediary elements between adjacent substrates. The grooves on one substrate interact with protrusions on the other substrate to mediate the positioning relationship, ensuring precise alignment while maintaining simplicity in the assembly process.
2Productivity
If substrate alignment is not controlled, then the assembly process is fast, but light leakage and defects occur reducing panel yield
Solution Approach 1:
The buckle portions are pre-formed on the substrates before assembly. The grooves and protrusions are created during substrate manufacturing, so that when substrates are brought together for assembly, the alignment function is already prepared and immediately effective, maintaining fast assembly speed while ensuring reliability.
Solution Approach 2:
The buckle portions enable self-alignment during assembly. When substrates are placed together, the grooves and protrusions automatically engage with each other to establish the correct position, eliminating the need for complex external alignment mechanisms or additional adjustment steps.
Data Source
AI summary
The present application discloses a display panel and a display apparatus. The display panel includes a first substrate including a first buckle portion, and a second substrate arranged opposite to the first substrate, where a second buckle portion matched with the first buckle portion in a buckle manner is disposed on the second substrate.