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. ↑ 1.0 1.1 "Input/Output Systems and Peripheral Devices". utcluj.ro. 2010-11-18. Archived from the original on 2011-07-22. https://web.archive.org/web/20110722071900/http://users.utcluj.ro/~baruch/media/siee/lecture/Lecture-IOS07.pdf. Retrieved 2011-01-30.
2. ↑ "High-Performance Addressing - HPA". Computerhope.com. http://www.computerhope.com/jargon/h/hpa.htm. Retrieved 2011-01-30.

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