Touch Display Panel Pin Arrangement for Short Circuit Prevention
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Solution Overview
Problem
In touch display panels, the short distance between adjacent touch connection wires increases the likelihood of short circuits due to their arrangement around the display region.
Innovation Solution
The touch display panel design includes touch electrode pins arranged in different rows from data line pins, with first and second connection wires in the border region, increasing the distance between adjacent touch electrode pins without increasing the length in the row direction or the number of pins, thereby reducing the probability of short circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If touch connection wires are arranged closely around the display region, then the border region size is reduced, but the distance between adjacent touch connection wires becomes short and short circuit probability increases
Solution Approach 1:
The patent applies dimensionality change by transitioning from a single-row arrangement of touch connection wires to a multi-row arrangement. Specifically, touch connection wires are organized into multiple rows with different numbers of wires in each row, creating a two-dimensional layout pattern. This dimensional transition increases the distance between adjacent touch connection wires while maintaining compact border region size, effectively resolving the contradiction between reducing border area and preventing short circuits.
2Reliability
If the distance between adjacent touch electrode pins is increased to reduce short circuit probability, then reliability improves, but the border region area or pin arrangement complexity increases
Solution Approach 1:
The patent resolves this contradiction by organizing touch electrode pins into multiple rows with varying numbers of pins per row, creating a staggered two-dimensional pattern. This arrangement increases the distance between adjacent pins in the same column while maintaining compact overall border region area, achieving both reliability improvement and area efficiency.
Solution Approach 2:
The patent employs asymmetric arrangement where different rows contain different numbers of touch electrode pins, and the pins are positioned at asymmetric intervals rather than uniform spacing. This asymmetric configuration optimizes the distance between adjacent pins to reduce short circuit probability while adapting to the specific display region dimensions and minimizing border region area.
Data Source
AI summary
A touch display panel is provided. The touch display panel includes multiple data lines and multiple scanning lines arranged in a display region on a first side of a first substrate; multiple touch electrodes arranged in the display region on the first side of the first substrate and touch electrode wires electrically connected to the touch electrodes; multiple data line pins and multiple touch electrode pins arranged in a border region on the first side of the first substrate; and first connection wires and second connection wires arranged in the border region on the first side of the first substrate. The first connection wires electrically connect the touch electrode pins and the touch electrode wires, and the second connection wires electrically connect the data line pins and the data lines. A touch display device is further provided, which includes the touch display panel.