Microstructure pattern is a precisely engineered surface feature on light guide plates that controls light distribution through diffraction and refraction.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Uniformity | >85% | |
| Aspect Ratio | 0.1-1.5 | |
| Feature Size | 10-200 μm | |
| Pattern Pitch | 50-500 μm | |
| Pattern Accuracy | ±2 μm | |
| Surface Roughness | <0.1 μm Ra | |
| Extraction Efficiency | 85-95% |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
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Microstructure patterns control light distribution by extracting and redirecting light from edge-mounted LEDs to create uniform illumination across the plate surface, essential for display backlights and lighting panels.
Primary methods include precision injection molding with micro-structured molds, UV nanoimprint lithography, laser ablation, and photolithographic etching, depending on pattern complexity and production volume.
Transparent optical polymers like PMMA, polycarbonate, or MS resins are commonly used due to their high light transmission, moldability, and optical clarity.
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