Friday, March 26, 2010

Display









Display
A single bit is needed for each pixel (2
brightness level)
Termed bit mapped
For gray scale or color image require
more pixels
Very good gray scales with 8 bits/pixel
(256 shades)
for photographic quality require 24 bits



CRT display

Flat panel display (LCD




Use rater-scan technology
Beam of electron is sent to the screen
Causes the phosper coated screen to
emit light forming an image
Resolution is measured by the no of
vertical and horizontal pixels

Flat Panel Display


Thinner and lighter
Most common is the LCD
Thin Film Transistor (TFT) are
becoming more popular