Liquid Crystal Display
A liquid crystal display (commonly abbreviated LCD) is a thin, flat display device made up of any number of color or monochrome pixels arrayed in front of a light source or reflector. LCD includes input pins as well as common terminals. Multiplexing these pins will produce suitable displays. LCD Display Drivers/Controllers are used to drive the LCD.
Liquid Crystal Display and LCD Display Drivers/Controller HITACHI HD44780 Connections
Specifications of LCD
Important factors to consider when evaluating an LCD monitor include
-
resolution: unlike CRT monitors, LCD monitors have a native-supported resolution for best display effect.
-
dot pitch: the granularity of LCD pixels. The smaller, the better.
-
viewable size: The length of diagonal of a LCD panel
-
response time (sync rate)
-
matrix type (passive or active)
-
viewing angle
-
color support: How many types of colors are supported.
-
brightness: The amount of light emitted from the display.
-
contrast ratio
-
aspect ratio: 4 by 3, 16 by 9, 16 by 10, etc.
-
input ports (e.g. DVI, VGA, or even S-Video