6.5 Considerations for Preventing TV Screen Burn-in
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The Wii U console has a feature to reduce screen burn-in by dimming the screen. However, if a user continues to operate the system (preventing this function from activating), then factors such as those described below may (depending on the display settings of the TV) lead to screen burn-in.
The margins above and below the rendering area, such as during playback of movies, are filled in with static images.
Text, such as times and scores, that does not change for long periods and is displayed continuously.
Images using an aspect ratio of 16:9 are displayed using an aspect ratio of 4:3 and the margins to the left and right are filled in with static images.
In general, when static images or non-moving text are very bright (that is, displayed using nearly primary colors), screen burn-in will be particularly noticeable for text, its surrounding area, and boundary lines between static images and animated areas.
If it is necessary to generate a static display, such as in the examples listed above, you may want to consider applying the following methods in order to avoid screen burn-in.
Restrict situations where the same content is displayed continuously to 15 minutes or less.
Use a screen display that is dimmer overall.
Change the brightness of the display.
Display margins with the same approximate brightness as the rendering area.
When changing screens, use the color and pattern of the margin on the full screen.