http://www.pointosale.co.uk/datasheets/NL6448AC63-01.pdf, NEC, 51.0cm (20.1 Type), TFT COLOR LCD, Display area 408.0 (H) � 306.0 (V) mm (typ.)
Diagonal size of display 51.0 cm (20.1 inches)
Drive system a-Si TFT active matrix
Display color 16,194,277 colors
Pixel 640 (H) � 480 (V) pixels
Pixel arrangement RGB (Red dot, Green dot, Blue dot) vertical stripe
Dot pitch 0.2125 (H) � 0.6375 (V) mm
Pixel pitch 0.6375 (H) � 0.6375 (V) mm
Module size 448.0 (H) � 348.0 (V) � 33.2 (D) mm (typ.)
Weight 1,900 g (typ.)
Contrast ratio 400:1 (typ.)
Datasheet download link is below.
http://www.pointosale.co.uk/datasheets/NL6448AC63-01.pdf
