Answers

2014-07-07T11:11:07+05:30
in picture tube  ,where the image is made, is coated with phosphor. when the phosphor is struck by an electron beam, it glows as in the  light LED tvs utilize light-emitting diodes set behind the television screen, allowing for regional dimming while delivering more vibrant color. 



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  • Brainly User
2014-07-08T11:43:49+05:30
The latest tv with well developed facilities are led which came up from lcd. An led  tv works with it's lcd panel with leds. We knew that led are made up of semi conductors which glow in even small amount of current.
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