Lg Electronics DU-30LZ30 사용자 설명서

Image-Persistence is rare on LCDs but is something of which you, the customer, should be 

aware.  

 

A residual image from a previous screen is still viewable after changing channels/inputs. 

Sometimes the after image will fade away in a few seconds/minutes, but it is possible that the 

image is persistent and doesn’t fade away. This problem is most common on devices that use 

phosphor in the screen, but can also affect LCDs. Although Image-Persistence takes longer to 

happen on LCDs than with phosphor based displays, care should be taken to prevent 

permanent effects. Image-Persistence is also known as “Image Burn-In”, “Image-Retention”, 

and “Image-Sticking”. 

 

When an LCD TV or monitor is operated continuously for a long period of time with a fixed (non-

moving) image, a trace of electric charge can build up near electrodes inside the LCD module. 

The result of this is a residual image of the previous image when the screen is changed.   

• 

Turn the device off when not use. 

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Do not leave static DVD or game menus on the screen for long periods of time. 

• 

Use a screen saver and/or power save feature when using the LCD as a PC monitor. 

• 

Change your PC’s background wallpaper periodically. 

 

• 

Leave the device off for several hours/days. 

• 

Display a white image on your screen for several hours/days. 

• 

Use a screen saver that uniformly “exercises” each part of the screen. 

NOTE: These methods do not guarantee that image burn-in will be reversible. 

 

No, this is considered misuse and is not covered by warranty. Normally, only product defects are 

covered by warranty and Image-Sticking is inherent to the technology used to make the display.