Liquid Crystal Panel Electrode Layout for Uniform Potential Gradient
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Solution Overview
Problem
Existing liquid crystal panels face challenges in forming a uniform potential gradient due to the difficulty in transmitting potential from a single point on the outer periphery side to the entire outer periphery, leading to inadequate optical effects.
Innovation Solution
A liquid crystal panel design featuring two substrates with high-resistance film layers and electrode layers arranged in concentric circular regions, coupled by transmission parts and contacts, creating a controlled potential gradient through stacked electrodes and transmission parts to align liquid crystal molecules, mimicking the optical effect of a lens.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If potential is provided from a single point on the outer periphery side of the electrode, then the electrode structure is simple, but the potential is less likely to be transmitted to positions farther away from the single point, making it difficult to sufficiently provide the potential on the entire outer periphery side
Solution Approach 1:
The electrode structure is divided into multiple segments: a first electrode on the inner periphery side and a second electrode on the outer periphery side of the high-resistance film layer. This segmentation allows potential to be applied at multiple points simultaneously, ensuring uniform potential distribution across the entire outer periphery side while maintaining structural simplicity.
Solution Approach 2:
A high-resistance film layer is introduced as an intermediary component between the first and second electrodes. This film layer has higher electric resistance than the electrodes themselves, enabling it to maintain a potential gradient across the liquid crystal layer while the electrodes provide potential at multiple points. The high-resistance film acts as a mediator that transforms the multi-point potential input into a controlled potential gradient.
2Device complexity
If potential is provided from a single point, then the electrode configuration is simple, but it is unable to excellently form a potential gradient due to the potential difference between the inner and outer periphery sides
Solution Approach 1:
The electrode system is segmented into a first electrode for the inner periphery and a second electrode for the outer periphery, each independently connected to potential sources. This allows precise control of potential at different radial positions, enabling excellent potential gradient formation without complex single-point configurations.
Solution Approach 2:
Different regions of the electrode system are assigned different properties: the first electrode on the inner periphery and the second electrode on the outer periphery can be connected to different potential levels. This local differentiation enables precise control of the potential gradient profile across the light-transmitting region, achieving excellent manufacturing precision for optical performance.
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
The design achieves a uniform potential gradient across the panel, aligning liquid crystal molecules to produce an optical effect similar to a lens, enhancing the panel's optical performance.
Implementation Method 1
Each of the first potential gradient forming part and the second potential gradient forming part is made of an electric conductor having a higher electric resistance than those of the first electrode and the second electrode
Implementation Method 2
a liquid crystal sandwiched between the two substrates... aligning liquid crystal molecules to produce an optical effect similar to a lens
Data Source
AI summary
A liquid crystal panel includes two substrates and a liquid crystal. One of the two substrates includes a first potential gradient forming part positioned inward, a second potential gradient forming part positioned outward, a first electrode provided on an inner periphery side of each of the first and second potential gradient forming parts, a second electrode provided on an outer periphery side thereof, a first transmission part provided with a potential, a second transmission part provided with another potential, a first contact coupling the first electrode and the first transmission part, and a second contact coupling the second electrode and the second transmission part. The second potential gradient forming part includes segments. The first transmission part includes first parts on the first electrodes provided to the segments. The second transmission part includes second parts on the first potential gradient forming part and the second electrodes provided to the segments.