It is a transparent acrylic panel made from pure PMMA virgin sheet. It distributes the light coming from the light source evenly over the whole upper face to acrylic panel . It is a key component to maximize the uniformity of light, to make backlight slim and to reorient the lines or dot light source such as decoration lamp or LED to the plate light source.
It is available in Acrylic / Polystyrene sheets in different thickness & sizes as per customer’s requirement.