Device and method for reducing burning effects on display means
OwnerSebastien Weitbruch, Cedric Thebault +1inventors
InventorsSebastien Weitbruch, Cedric Thebault, Ingo Doser
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Abstract
Video pictures have different picture formats so that sidebars are displayed on the display device. Consequently, burning effects are different between used and unused areas of the screen. Therefore, the unused areas of the display device are driven with a signal which is varied in accordance with the video signal. Preferably, at least a part of the active area of the screen is analysed and a medium value of such analysed area is used for driving the unused areas. As a result, the burning effect affects the used and unused areas equally and the sidebars are less disturbing since they are adapted to the video picture.
Claims16
Method for driving display means having a predefined display area comprising the steps of
- providing a video signal for displaying a video image being smaller than said display area, so that one or more unused display sections remain on the display area, and
- driving said one or more unused display sections with at least one predetermined signal, wherein said at least one predetermined signal is varied in accordance with said video signal.
Device for driving display means having a predefined display area comprising:
- determining means for determining one or more unused display sections remaining on the display area when driving said display means with a predetermined video signal and
- driving means connected to said determining means for driving said one or more unused display sections with at least one predetermined signal, wherein said at least one predetermined signal is variable in accordance with said video signal.
Dependencies are inferred from the claim text.