Display Substrate Binding Pin Structure for Touch Panel Integration
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Solution Overview
Problem
The binding process for touch display devices is complicated due to the need for multiple bindings between the display panel, flexible circuit board, and touch panel, making it a cumbersome process.
Innovation Solution
A display substrate with specific binding pins in the non-display area allows for direct binding of the touch panel to the display panel, eliminating the need for separate binding with the touch flexible circuit board, and includes a flexible circuit board with both driver and touch ICs, simplifying the bonding process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate bindings are performed between display panel, flexible circuit board, and touch panel, then each component can be independently manufactured and assembled, but the binding process becomes complicated and time-consuming
Solution Approach 1:
The patent merges the binding functions into a single integrated binding pin structure that simultaneously binds the display panel, flexible circuit board, and touch panel together. This single binding operation replaces multiple separate binding steps, simplifying the process while maintaining the ability to independently manufacture and assemble different components.
2Adaptability or versatility
If multiple separate bindings are performed between display panel, flexible circuit board, and touch panel, then each component can be independently manufactured and assembled, but the manufacturing time increases
Solution Approach 1:
The patent combines multiple binding operations into a single binding step using an integrated binding pin that secures all three components (display panel, flexible circuit board, and touch panel) simultaneously. This reduces the number of binding steps from multiple separate operations to one unified operation, significantly improving manufacturing efficiency and productivity.
3Adaptability or versatility
If separate binding steps are used for touch panel and flexible circuit board, then each component can be optimally designed, but the overall device thickness increases
Solution Approach 1:
The patent employs a nested arrangement where the flexible circuit board is positioned between the display panel and touch panel, with the binding pin passing through all three components in sequence. This nested configuration allows optimal design of each component while maintaining a compact overall structure, avoiding the thickness increase that would result from separate binding steps requiring additional spacing.
Data Source
AI summary
The present disclosure provides a display substrate, a display panel, a touch display device and a method for fabricating the same. The display substrate includes a display area, a non-display area, signal lines in the display area, first ones of first binding pins in the non-display area for binding to a flexible circuit board, second ones of first binding pins in the non-display area for binding to the flexible circuit board; and second binding pins in the non-display area for binding to a touch panel. The second ones of first binding pins are coupled with the signal lines; and the second binding pins are coupled with the first ones of first binding pins in a one-to-one manner.