Don't know what you say is television screens, if is TV words difference between (you first search LCD display principle, the mobile phone is not convenient for typing), led TV is using led back light, the use of common LCD similar energy-saving lamps back light, in addition to back light other are the same. Of course the former slightly better than the latter.
And cell phone led display is usually refers to oled, show principle and LCD has essential difference, LCD itself not to shine, and through the filter light to realize and colorful, and their own can emit light oled color to achieve and colorful.
At present DaBing oled technology still not mature, so the TV screen is still LCD technology, just used the luminous efficiency higher led as a back light, and small screen oled, has been used, such as samsung mobile phones i9000.
Hope I answer you can
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