Machine Design

LCD Backlight System

The Tandem Backlight Systems use proprietary light-guide plates combined with diffusers, reflective sheets, and either CCFLs or LEDs to project images onto television LCD panels.

A series of wedge-shaped light guides parallel to the light source creates a brightness of more than 10,000 cd/m 2 . The system is only 0.39-in. (10-mm) thick and weighs very little.

Astra Products Inc., Box 479, Baldwin, NY 11510, (516) 546-4315, astraproducts.com

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