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In: Computer Science

4.What are two methods used to backlight an LCD?

4.What are two methods used to backlight an LCD?

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Expert Solution

Answer: there are two common method used to backlight a lcd :-
(a) Light emitting diode backlight

the light emitting diode is the most used backlight in lcd. led backlight comes in two variants white and rgb .the led backlight also has a stable internal structure with good performance and the adjustment range of led backlight is very large it also give best brightness uniformity also can flexibly adjust the luminous frequency. the led backlight provide long life service

the led backlight has a better color expression and environment friendly.

(b) Electroluminescent panel backlight

electroluminescent panel backlight is a solid state which used colored phosphors to generate light. this backlight is very thin and lightweight and provide even light. the backlight is also multicolored and white is the most use color in backlight.the power consumption is very low and also require an inverter. the electroluminescence panel backight produce even lightflow.

venereology answered 1 year ago
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