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LED TVs
A LED-TV is a flat panel display that uses LED backlighting instead of the cold cathode fluorescent (CCFL) backlighting used in most other LCDs. Three forms of LED may be used:
- White edge-LEDs around the rim of the screen, using a special diffusion panel to spread the light evenly behind the screen (the most usual form)
- An array of LEDs arranged behind the screen whose brightness are not controlled individually.
- A dynamic “local dimming” array of LEDs to achieve a modulated backlight light pattern
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