The contrast ratio also has to take into effect ambient light. So unless the oled absorbes all incomming photons (no reflections) then it isn't infinite. Ok maybe in a cave.
Steve Meier DJ Delorie wrote: >> How is this possible, when OLEDs have been shown to last longer than >> incadescent lightbulbs (which certainly last longer than one to two >> years these days)? Something sounds awfully fishy to me. >> > > If an OLED is run at full brightness with a fixed image, the image > gets burned in. Each LED "ages" according to its use - it gets dimmer > with use. In my case, I'm using the color that ages least, and > running it most of the time at a tiny fraction of its max brightness. > > >> Personally, I think it's just a matter of economy of scale. LCDs are >> probably quite a bit cheaper to produce, and technology these days >> rivals the contrast ratios of OLEDs. >> > > OLEDs have a nearly infinite contrast ratio - off is off, on is on. > There is no "leakage" because there just isn't any light. LCDs leak > if the backlight is on. Hence, OLEDs are ideal for alarm clocks, > where they're used mostly in the dark. > > > _______________________________________________ > geda-user mailing list > geda-user@moria.seul.org > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > > _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user