Color Filter Substrate With Integrated Touch Electrodes
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Solution Overview
Problem
Conventional touch type liquid crystal display panels have poor performance due to their large thickness, which results in reduced screen light transmittance and increased power consumption, degrading their overall performance.
Innovation Solution
A color filter substrate is designed with a driving electrode on the lower surface and a sensing electrode on the upper surface of a base substrate, forming a touch sensing capacitor with the base substrate as a dielectric layer, allowing the touch sensing device to be integrated into the liquid crystal display panel manufacturing process, thereby reducing thickness and improving optical transparency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a touch type panel is added to a conventional liquid crystal panel to create a touch type liquid crystal display panel, then touch functionality is achieved, but the thickness increases resulting in reduced screen light transmittance and increased power consumption
Solution Approach 1:
The patent merges the touch sensing device with the liquid crystal display panel by integrating the driving electrode and sensing electrode directly into the liquid crystal panel structure. The driving electrode is formed on the lower surface of the base substrate while the sensing electrode is formed on the upper surface, eliminating the need for a separate touch panel assembly and thereby reducing overall thickness.
Solution Approach 2:
The base substrate serves multiple functions: it acts as the structural support for the liquid crystal display, provides the dielectric layer for the touch sensing capacitor, and serves as the mounting surface for both electrodes. This multi-functionality eliminates the need for separate components and reduces the overall device thickness.
2Illumination intensity
If the thickness of the touch type liquid crystal display panel is reduced to improve light transmittance, then optical performance improves, but the structural integrity and touch sensing capability may be compromised
Solution Approach 1:
The patent uses thin film structures for the electrodes and dielectric layers, allowing the panel to maintain structural integrity while achieving reduced thickness. The base substrate serves as a robust support structure while the thin film components provide the necessary electrical and optical functions without compromising overall strength.
Solution Approach 2:
The patent employs composite material structures combining the base substrate with thin film electrodes and dielectric layers. This composite approach allows optimization of both mechanical strength and optical properties, maintaining structural integrity while achieving high light transmittance through the reduced overall thickness.
3Use of energy by stationary object
If the thickness is reduced to improve optical transparency, then power consumption decreases, but the manufacturing complexity increases due to integrated electrode formation
Solution Approach 1:
The patent performs preliminary actions by forming the driving electrode and sensing electrode during the liquid crystal panel manufacturing process itself, rather than adding them as separate components later. The driving electrode is formed on the lower surface of the base substrate and the sensing electrode on the upper surface, with the base substrate serving as the dielectric layer, thereby simplifying the overall manufacturing process despite the integrated design.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This integration results in a thinner and more optically transparent touch type liquid crystal display panel, enhancing its performance by reducing power consumption and improving screen brightness.
Implementation Method 1
the driving electrode and the sensing electrode form a touch sensing capacitor with the base substrate as a dielectric layer
Data Source
AI summary
The embodiments of the present disclosure provide a color filter substrate, a method for manufacturing the same, and a touch type liquid crystal display panel capable of improving the performance of the touch type liquid crystal display panel. The color filter substrate comprises: a base substrate; a driving electrode disposed on a lower surface of the base substrate; a sensing electrode disposed on an upper surface of the base substrate; the driving electrode and the sensing electrode form a touch sensing capacitor with the base substrate as a dielectric layer.