Led for Arduino Uno with ambilight

Hey guys, I would like to mount the system on 2 Ambilight LCD TVs however do not know how many leds can use at each tv.

1ª 42" TV: NUMBER OF LEDS CAN USE THIS TV?
2ª 50" TV: NUMBER OF LEDS CAN USE THIS TV?

WHAT SHOULD I USE AND WHICH LED THE CODE OF LED?

'M WAITING FOR THE WHO CAN HELP ME

Thank you!

Carlos Algarte

Hi Carlos and welcome. Please ask your question again using different words. It is not clear what you are asking.

Paul

Have a look here: