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Antireflection displays with ambient contrast enhancement for extended device battery lifetime and reduced energy consumption
Author(s) -
Koch Karl W.,
Hathaway Brooke,
Kosik Williams Carlo,
Amin Jaymin,
Mayolet Alexandre,
Aurongzeb Deeder,
McDonald Joseph,
Hart Shandon
Publication year - 2020
Publication title -
journal of the society for information display
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.578
H-Index - 52
eISSN - 1938-3657
pISSN - 1071-0922
DOI - 10.1002/jsid.892
Subject(s) - contrast (vision) , battery (electricity) , energy consumption , computer science , materials science , consumption (sociology) , energy (signal processing) , contrast ratio , optoelectronics , computer graphics (images) , optics , electrical engineering , computer vision , aesthetics , art , power (physics) , physics , quantum mechanics , engineering
Antireflection (AR) coatings can improve the viewing experience of a display, including mobile electronic devices such as smartphones, tablets, and laptops that are typically operated on battery power and protected with chemically strengthened glass. In this work, we discuss the trade‐offs between optimal user viewing experience in brightly lit environments and battery lifetime for an AR versus a non‐AR mobile display. We show that under 400–1,000 lux ambient illumination, an AR‐based display can be operated at >30% lower luminance than a non‐AR display with similar human perception of contrast based on a perceptual contrast length model, resulting in a potential improvement of >15% in device battery lifetime and a similar proportion of energy savings.

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