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Extending the life of high resolution, passive matrix OLED displays
( 01 Apr 2008 )
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The SmartXtend technology developed by Dialog Semiconductor Plc enables the main displays of many mobile devices – particularly those offering W-QVGA and QVGA resolution – to utilize passive matrix OLED displays rather than LCD or active matrix OLEDs. Passive matrix OLEDs are available at a much lower cost compared to active matrix OLEDs while providing the same advantages in terms of video quality and performance.
The SmartXtend technology, which utilizes a number of innovative design techniques including a unique multi-line addressing scheme, accurate dynamic current matching, and advanced power management, is designed to significantly extend the lifetime of passive matrix OLED displays. It reduces the peak current by up to 30 percent and power consumption by up to 30 percent compared to the conventional passive matrix driving scheme.
The technology is part of a range of advanced display driver technologies available from Dialog for a diverse range of low power mobile applications – from electronic paper displays and MEMS, to active matrix OLEDs. All its display drivers are highly integrated mixed-signal high-voltage CMOS solutions designed for the next generation of always-on low power displays.
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