Touching Display Panel Substrate Integration
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Solution Overview
Problem
The combination of touch panels and display panels with glass substrates results in excessive thickness and complex circuit arrangements due to the need for multiple substrates and control circuit boards, necessitating a solution to integrate these components effectively.
Innovation Solution
A touching display panel is designed with a hard surface substrate that integrates a touch sensor layer, thin-film transistor layer, and color filter layer, reducing the number of substrates and allowing for optimal circuit planning by positioning these layers between glass substrates, with the touch sensor layer between the liquid crystal layer and the first substrate, and the thin-film transistor and color filter layers between the substrates, or on the first substrate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a touch panel and a display panel are combined using separate glass substrates, then both touch sensing function and display function are achieved, but the total thickness becomes quite formidable
Solution Approach 1:
The patent merges the touch sensor layer, thin-film transistor layer, and color filter layer onto a single first substrate, eliminating the need for separate glass substrates for each function. This integration maintains both touch sensing and display functions while significantly reducing the total thickness of the assembled panel.
2Ease of operation
If a touch panel and a display panel are combined with separate control circuit boards, then operation control is achieved, but the arrangement becomes extremely complicated
Solution Approach 1:
The patent integrates the control circuit functionality directly into the first substrate by forming the thin-film transistor layer and color filter layer on the same substrate that supports the touch sensor layer. This consolidation eliminates the need for separate control circuit boards and simplifies the overall arrangement, making the system easier to manufacture and assemble.
Data Source
AI summary
A touching display panel and a display device using the same are provided. The touching display panel includes a liquid crystal layer, a first substrate having a hard surface structure, a second substrate, a touch sensor layer, a thin-film transistor layer, and a color filter layer. The first and second substrates are respectively disposed at two sides of the liquid crystal layer. The touch sensor layer is disposed between the first substrate and the liquid crystal layer, and is formed on the first substrate. The thin-film transistor layer and the color filter layer are both disposed between the first substrate and the second substrate. At least one of the thin-film transistor layer and the color filter layer is formed on the first substrate.