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Glossary, Defines technical terms – Philips 190WV7 User Manual

Page 78

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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.

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Backlight

file:///D|/cd/190WV7/190WV7CS.00%20EDFU-V1_061219/lcd/manual/ENGLISH/190WV7/GLOSSARY/GLOSSARY.HTM (1 of 9)2006-12-20 15:10:48