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Backlit letters work by bouncing light off walls. It is a simple concept with backlit channel letters: aluminum boxes forming letter shapes, solid fronts on backlit letters, and LEDs inside pointing backward. When you turn your backlit channel letters on, light hits the wall from the backlit letters and reflects around the edges. That's the halo effect everyone talks about with backlit letter signage. It looks slick when backlit channel letter installation is done properly.
Wall color behind backlit channel letters is absolutely critical. A light wall behind your backlit letters makes the backlit channel letters look fantastic. However, dark brick or rough concrete behind backlit letters can make your backlit letter signage look dim. It is vital to consider this before installation, as sometimes you might need to invest in painted panels behind backlit letters just to make the backlit channel letters work effectively.
LED positioning inside backlit channel letters separates quality from trash in backlit letter manufacturing. LED strips in backlit letters need exact angles and exact distances from edges for proper backlit channel letter illumination. If the LEDs are messed up, the halos from backlit channel letters will have bright streaks mixed with dim patches. Professional shops nail LED positioning through extensive experience in making backlit channel letters.
