Well, it works by recycling of the diffuse light into the backlight and directing the beams through the display. This provides increased luminance.
Let’s go more into depth here. The whole purpose is to focus the light beams in one specific direction – the viewer.
For example, the viewer most commonly looks at the display surface horizontally, from the center, then from the vertical extremes. Therefore, concentrating that vertically directed light into a more and more narrow cone gives us a luminance upgrade.
The BEF refracts light which is part of the viewing cone directed towards the viewer. The beams of light radiated outside the cone are back-reflected (as long as they achieve the desired angle).
Lastly, with Brightness Enhancement Films you’ll achieve lower power consumption. Since you’re increasing the efficiency of the used backlight, and not adding more LEDs, or changing to stronger LEDs, the power consumption remains low.
If you want to add any of these screen enhancements to your display, contact us.