State the technology used in lcd, Computer Graphics

State the technology used in LCD

Some passive matrix (Pixels are illuminated in scanline order like a raster display but  the lack of phospherescence causes flicker) LCDs have dual scanning, meaning that they  scan the grid twice with current in the same time that it took for one scan in the original technology. However, active matrix is still a superior technology. As stated before, display devices using CRT and LCD technology need to refresh the screen before the picture disappears.

 

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