Refractive Index Adjustment Structure for Dynamic View Angle Control
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Solution Overview
Problem
Liquid crystal display (LCD) panels have a fixed view angle, limiting user flexibility in terms of privacy and presentation, as they cannot easily adjust their refractive index to accommodate varying viewing needs.
Innovation Solution
A refractive index adjustment structure comprising an adjustment layer and electrode layers that adjust the distribution of magnetic or charged particles in response to electric signals, altering the refractive index to control light emission angles, allowing for adjustable view angles by loading the electrode layers with specific signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the refractive index of the liquid crystal display panel is fixed, then the structure is simple and stable, but the view angle cannot be adjusted for different usage scenarios
Solution Approach 1:
The patent applies the dynamics principle by making the refractive index of the liquid crystal display panel changeable rather than fixed. Through the liquid crystal layer's electrophoretic response to electric fields, the refractive index can be dynamically adjusted to achieve different view angles, transforming a static optical property into a dynamic one that adapts to different usage scenarios.
Solution Approach 2:
The patent applies parameter changes by modifying the refractive index parameter of the liquid crystal display panel. By controlling the electric field strength and duration, the refractive index can be changed to achieve different viewing angles, allowing the same display to serve both privacy protection and presentation needs.
2Adaptability or versatility
If the liquid crystal display panel uses a fixed refractive index, then the manufacturing process is simple, but it cannot accommodate varying viewing needs for privacy or presentation
Solution Approach 1:
The patent applies the self-service principle by utilizing the inherent electrophoretic properties of liquid crystals. The liquid crystal molecules automatically align and reorient in response to applied electric fields without requiring external mechanical adjustment mechanisms, allowing the display to self-adjust its optical properties for different viewing needs.
3Adaptability or versatility
If the refractive index is adjusted dynamically, then the view angle becomes adjustable for privacy and presentation, but the device complexity increases
Solution Approach 1:
The patent applies mechanics substitution by replacing potential mechanical adjustment mechanisms with an electric field-based control system. Instead of physically moving or rotating display components to change viewing angles, the invention uses electric fields to control liquid crystal molecular orientation, achieving the same functional result through a simpler, more elegant electrical control mechanism.
Data Source
AI summary
Disclosed are a refractive index adjustment structure, a color filter substrate, a display panel and a display apparatus. The refractive index adjustment structure includes an adjustment layer and at least one electrode layer. The adjustment layer and the at least one electrode layer are provided in a stacked manner. The at least one electrode layer is configured to be loaded with an electric signal, and the electric signal is capable of adjusting a refractive index of the adjustment layer.