View Single Post
Old 08-28-2017, 10:00 PM   #7
barryem
Wizard
barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.barryem ought to be getting tired of karma fortunes by now.
 
barryem's Avatar
 
Posts: 2,459
Karma: 68781975
Join Date: Oct 2012
Location: Arkansas
Device: Paperwhite 4
Quote:
Originally Posted by John F View Post
Is this accurate, I thought I read (on this forum) that LED lit LCD display are actually side lit with a light guide to shine the light behind the LCDs?
That's true of e-ink displays with lights. It's also been true of a few LCD displays historically but only very few. I used to know how those worked but I don't recall now.

Nearly all LCD displays have LED lights behind them shining through the screen and that's what makes the LCD colors visible.

Barry
barryem is offline   Reply With Quote