3M™ Thin Brightness Enhancement Film (3M TBEF) is a thin transparent prism film that enables high brightness when placed in the backlight of a consumer electronic device.
3M™ Thin Brightness Enhancement Film (3M TBEF) is a family of thin optical films used in liquid crystal displays (LCDs) to increase on-axis brightness of the backlight, improve the appearance of a display, and reduce the overall thickness of the display.