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LCDs are the screens of choice for lightweight screens andportable computers. They consume very little electricity and have advanced technically to quite good resolutions and colour support. They were created by the company RCA in 1960s. LCDs function basically by blocking available light so as to render display patterns.
LCDs can be of subsequent types:
1. Reflective LCDs: Display is produced by selectively blocking reflected light.
2. Backlit LCDs : Display is because of a light source behind LCD panel.
3. Edge lit LCDs : Display is because of a light source adjacent to LCD panel.
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