Does sunlight make a LED screen on a laptop less bright?

Question

My laptop was used in the sun today for about an hour. I thought it was my eyes at first but it's still duller to me than it usually is.

Answer 1

i doubt, its probably just your imagination

Answer 2

yes it fades just like normal screend do too that is why they say do not use in direct sun light anything will fade or lose power to heat