But if your bias lights are red, yellow, blue, green, or some other color besides a precise shade of white, that’s exactly what you’re doing.
#Tv with ambient light tv
If you care about seeing the same image on your screen that the creators of your favorite movies and TV shows intended, the last thing you want to do is distort the colors on the screen. But because bias lights don’t shine light directly on the screen, they don’t hide the details in the shadows.īrightness is only one factor when it comes to bias lighting color is another, and it’s crucial. By casting a pale halo behind the TV screen, bias lights can give you enough light around the picture to make dark or gray areas look darker than they would without the bias light. The beauty of bias lighting is that it gives us the best of both worlds. In the parlance of videophiles, this loss of detail in darker areas is called “black crush.” The problem with watching TV in a lit room is that the ambient light tends to rob dark areas in the picture of detail you’d probably see in a dimly lit or completely dark room. The same principle works when it comes to the colors on a TV screen: In a brightly lit room, the dark areas in a TV’s picture will appear darker than they do in a pitch-black room.
In a nutshell, if you take the a single shade of gray, your eyes will see it as darker on a lighter background, and lighter on a dark background. Once you’ve set your bias lights to the correct brightness, they can improve the contrast on your TV screen more precisely, they can boost the perceived contrast on your TV.Ĭheck out this fascinating article on How-To Geek for the nitty-gritty on how this illusion works. How bias lighting boosts your TV’s contrast
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