Touch Display Electrode Block Connection Design
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Solution Overview
Problem
The pattern design of mutual-capacitive touch panels is not flexible due to lack of space for electrical connection between adjacent touch driving electrode blocks, limiting their design flexibility.
Innovation Solution
A touch display panel with first and second touch electrodes arranged in columns and rows, where electrode blocks are electrically connected using available space, allowing for flexible pattern design and reduced signal attenuation through optimized connection lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mutual-capacitive touch panel uses traditional electrode block arrangement, then touch control function is achieved, but pattern design flexibility is limited due to lack of space for electrical connection
Solution Approach 1:
The patent utilizes the space dimension between adjacent electrode blocks by extending connection lines in the row direction to connect electrode blocks in the column direction. This dimensional approach allows electrical connections without increasing the planar area occupied by electrodes, thereby improving pattern design flexibility while maintaining compact structure.
Solution Approach 2:
The touch electrodes are divided into multiple electrode blocks arranged in columns and rows. By segmenting the continuous electrode into discrete blocks, the patent creates available space between blocks for connection lines, enabling flexible pattern design while maintaining the touch control function through electrical connectivity between blocks.
2Area of stationary object
If electrode blocks are arranged closely to improve display area, then area utilization is improved, but signal attenuation increases due to longer connection paths
Solution Approach 1:
Connection lines extend in the row direction (horizontal) to connect electrode blocks in the column direction (vertical). This dimensional arrangement allows electrode blocks to be closely spaced in the column direction, maximizing display area, while connection lines traverse the row direction where space is available, managing signal transmission effectively.
Solution Approach 2:
Connection lines serve as intermediaries between adjacent electrode blocks. These connection lines are positioned in the space between electrode blocks and extend in the row direction, providing electrical connectivity while being isolated from the column-direction electrode arrangement, thus enabling close electrode spacing without compromising signal transmission.
Data Source
AI summary
Provided is a touch display panel having a first touch display region and including: first touch electrodes arranged in a plurality of columns in the first touch display region, and extending in a first direction and arranged in a second direction, each first touch electrode including a plurality of first electrode blocks electrically connected to each other, and the first direction intersecting the second direction; and second touch electrodes arranged in a plurality of rows in the first touch display region, and extending in the second direction and arranged in the first direction, each second touch electrode including a plurality of second electrode blocks electrically connected to each other. The plurality of first electrode blocks and the plurality of second electrode blocks are alternately arranged in the first direction.