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Even with the adoption of the latest OLED technology, the display panel remains one of the most power-hungry components in smart-phones. Existing attempts for OLED power optimization have mainly focused on modifying the content that is shown on the display during the playback phase, requiring significant overhead in terms of image analysis and modification. While such methods are effective, they overlook...
OLED is becoming the main stream display for mobile devices. The process variations of thin-film transistors (TFT) and the aging degradation of OLED devices severely impact the display quality and the user experience on mobile devices throughout lifetime. In this paper, we quantitatively study the nonuniformity of OLED display panels incurred by the TFT variations and OLED cell aging effect. Furthermore,...
OLED (Organic Light Emitting Diode) technology has already been adopted in many modern smart mobile devices, including cellphones, tablets, laptop etc. However, the power dissipation of displays in some applications like real-time video streaming, significantly limits the smart mobile devices' battery life and influences user experience. In this work, we applied a set of power management techniques...
This paper developed a dynamic voltage scaling (DVS) technique for the power management of the OLED display on mobile devices in video streaming applications. An optimal voltage control scheme is proposed under input constraints. Fine-grained DVS technique is applied to maximize the power saving by leveraging the locality of the display content. The display quality is retained by monitoring structural-similarity-index...
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