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50.2: Power Savings by Local Dimming on a LCD Panel with Side Lit Backlight
Author(s) -
Hulze Hendriek Groot,
deGreef Pierre
Publication year - 2009
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.3256896
Subject(s) - backlight , liquid crystal display , power (physics) , computer science , power saving , contrast (vision) , artificial intelligence , physics , operating system , quantum mechanics
Local dimming of segmented direct lit backlights is a known technique to save power and improve the contrast. Also there is a trend towards slim side lit panels. with proper LED‐drivers and algorithms both technologies can be combined. The power saving can be doubled compared to a global dimmed backlight.