A thin optical film that redirects light within backlight units to enhance display brightness and uniformity.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Thickness | 0.05mm to 0.5mm | |
| Reflectivity | >95% (typically 97-99%) | |
| Surface Structure | Smooth, micro-prismatic, or textured | |
| Thermal Stability | -20°C to 85°C | |
| Optical Uniformity | >90% across surface | |
| Flammability Rating | UL94 V-0 or equivalent |
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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To reflect light that would otherwise be lost (e.g., emitted backward from LEDs) back toward the display panel, increasing overall brightness and improving light uniformity across the screen.
Primarily used in LCD displays with edge-lit or direct-lit backlight units. They are less common in OLED displays, which are self-emissive and do not require a separate backlight.
Materials like PET with high-reflectivity coatings (e.g., silver) offer superior reflectivity (>98%) and durability. Microcellular structures can enhance diffusion, reducing hotspots, while thermal stability materials prevent degradation in high-temperature environments.
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