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A typical LCD consists of liquid crystal material with transparent electrodes and polarizing filters. Applying voltage across the liquid crystal layer allows light to pass through in varying amounts.

http://www.ergpower.comSince an LCD is basically a selective light filter and the display brightness produced by ambient lighting is usually inadequate, a light ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Let me say right from the off that this is fairly techie stuff that’s quite hard to describe ...