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A
Active matrix
This is a kind of liquid crystal display structure in which switching transistors are attached to each pixel to control the on/off voltage. It
produces a brighter and sharper display with a broader viewing angle than a passive matrix display. Also refer to TFT (thin film transistor).
Amorphous silicon (a-Si)
A semiconductor material that is used to make the thin film transistors (TFTs) layer of an active matrix LCD.
Aspect ratio
The width-to-height ratio of the active area of a display. In general, most monitors have an aspect ratio of 4:3. Wide monitors or TVs have
an aspect ratio of 16:9 or 16:10.
B
Backlight
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