lcd panel

[Image:LCD layers.svg|thumb|300px|Reflective twisted nematic liquid crystal display. Vertical filter film to polarize the light as it enters. Glass substrate with ITO electrodes. The shapes of these electrodes will determine the dark shapes that will appear when the LCD is turned on or off. Vertical ridges etched on the surface are smooth. Twisted nematic liquid crystals. Glass substrate with common electrode film (ITO) with horizontal ridges to line up with the horizontal filter. Horizontal filter film to block/allow through light. Reflective surface to send light back to viewer. (In a backlit LCD, this layer is replaced with a light source.)]]
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