High-performance addressing

High-performance addressing (HPA) is a passive-matrix liquid-crystal display (LCD) technology commonly found on low-end laptop computers. Versions of HPA have been developed by both Hitachi and Sharp.^[1] HPA enables higher response rates and contrast, displaying up to 16-million colors; however, HPA displays lack the crispness that is found with an active-matrix display.^[2] HPA uses a technique called multiline addressing in which the incoming video signal is analyzed and the image is refreshed with a frequency as high as possible.^[1]

References

1 2 "Input/Output Systems and Peripheral Devices" (PDF). utcluj.ro. 2010-11-18. Archived from the original (PDF) on 2011-07-22. Retrieved 2011-01-30.
↑ "High-Performance Addressing - HPA". Computerhope.com. Retrieved 2011-01-30.

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[lecture-1] 1 2 "Input/Output Systems and Peripheral Devices" (PDF). utcluj.ro. 2010-11-18. Archived from the original (PDF) on 2011-07-22. Retrieved 2011-01-30.

[2] "High-Performance Addressing - HPA". Computerhope.com. Retrieved 2011-01-30.

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References