Tv ambient light9/3/2023 ![]() Though this may only be the kind of thing true videophiles will care about, in order to get the most from bias lighting, it needs to be in the neighborhood of 6,500 degrees Kelvin. If you were drawn into “ The Dress” debate that almost swallowed the entire internet in 2015, you’ve already been exposed to an extreme example of what happens when contrasting colors create perception problems. Don’t get too warmĪs tempting as it may be to simply stick a lightbulb behind your TV, there’s another consideration: Color temperature. You’ve likely heard people raving about OLED TV’s incredible black levels, but you can achieve better black level performance from any TV with the judicious use of bias lighting. This image is a good explainer:Įven though the bar running through the middle is the same color from end to end, it looks much darker when seen against a light background. It’s a noticeable difference.” Your TV’s contrast hasn’t changed at all, but the presence of additional light in your field of view influences how you perceive it. “Your mind’s eye is influenced by everything around it,” said Napoleone, “ makes it seem like the contrast is better. Reducing eye strain is helpful, but bias lighting can also enhance image quality too. Do a quick google image search for “ vintage TV lamps,” and you’ll find a kitschy and eclectic collection of lights designed to sit atop a TV, and only cast light backward, toward the wall. In fact, that’s more or less what folks used to do way back in the days of massive TV consoles. If you simply stuck a 40-watt light bulb behind your TV, you would have a super-cheap form of bias lighting. True bias lighting doesn’t cause any reflections on the screen, and it only reaches your eyes after first bouncing off the wall - never directly from the source. Not to mention that watching a movie with the lights on is not the greatest experience.īias lighting makes it seem like the contrast is better. It also creates reflections and glare, both of which compromise image quality. Turning up the lights in your room alleviates eye strain too, but it introduces a whole new set of problems, like washing out the screen’s colors and contrast. The back of a 65-inch LG OLED TV with a MediaLight bias light installed. “Your eyes are working harder,” Napoleone said, “because your brain knows you’re in a dark room, even though you’re looking at this bright, rectangle of a TV.” Short stints of a few minutes may not cause any discomfort, but binge-watching the latest season of Stranger Things, or tucking into The Batman, is a recipe for pain. ![]() The absence of any ambient lighting in the room causes your pupils to dilate too much because of the extreme changes on the screen, and this is hard on the eyes.ĭave Napoleone, a Toronto-based system design, and senior technician, with commercial and residential AV installer, Cloud 9 AV, tells Digital Trends that this is thanks to our human biology. In some cases, they can be so bright compared to the surrounding light levels, they can cause eye strain and headaches. The darker the room, the brighter they appear. What people began to realize back when TVs started to invade living rooms across the nation, is that TVs are bright. ![]() ![]()
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |