What is screen burn?
When a static image like a broadcasting station logo, subtitles, screen menus, video games or computer
screen is shown on a display for a long period of time then its possible burn-in can occur which can cause permanent
damage to your display.
How to Prevent
It is highly recommended not to display non-moving images for a prolonged amount of time (No more than two hours).
Using the aspect ratio of 4:3 for a prolonged time can also cause screen burn-in around the boundaries.
This phenomenon will occur on any display type, including from other brands and not restricted to LG products.
Note. Screen-Burn is not covered by the manufactures warranty and can not be repaired without replacing the screen itself.