26.4: Algorithm for Contrast Reserve, Backlight Dimming, and Backlight Boosting on LCD

This paper presents an algorithm for controlling the signals to an LCD panel and its backlight. The objective is to maximize the signal to the display and to perform the dynamic backlight dimming very effectively. Then the average power can be limited, e.g. to 500 cd/m2 average screen brightness, an...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2006-06, Vol.37 (1), p.1249-1252
Main Authors: Stessen, J. H., Van Mourik, J. G. R.
Format: Article
Language:English
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Summary:This paper presents an algorithm for controlling the signals to an LCD panel and its backlight. The objective is to maximize the signal to the display and to perform the dynamic backlight dimming very effectively. Then the average power can be limited, e.g. to 500 cd/m2 average screen brightness, and on occasional bright scenes the backlight can be boosted significantly, e.g. to 800 cd/m2 peak screen brightness during a few minutes.
ISSN:0097-966X
2168-0159
DOI:10.1889/1.2433205