<P> Google requests that when these techniques are enabled, watch face developers do not use large blocks of pixels so that different pixels are burned in with each shift, reducing the overall wear of the pixels . </P> <P> Some screensavers move around, such as those on DVD players, or those on some televisions that move around paused video after a long period of inactivity . </P> <P> It is sometimes possible to remedy screen burn - in through the use of remedial software and remedial devices . This displays random colors on every pixel of the panel to fix the burn - in, but in severe cases (like physical damage) this may not resolve the problem . In the case of OLED screens on Android phones, burn - in reduction apps can display an inverted image of the navigation and status bars (which are constantly displayed and therefore the most likely elements to be burned in) to burn in opposite pattern, resulting in a screen that is entirely burned in (i.e. the entire display is slightly dimmer than it was from the factory, but there are now no visibly burned in patterns). </P> <P> The most prevalent burn - in image on early televisions was said to be that of the RCA Indian - head test pattern, which predates the use of the current SMPTE color bars . This was due to the viewer leaving the TV set on at the end of the day, which was not recommended by the TV manufacturers . </P>

How long before an image burns into a plasma screen