Here are some details about the 128 * 64 lcd display Parallel LCD Display :

The 12864 Graphic LCD module is a 128 x 64 pixel LCD display with a Blue/Yellow-Green backlight and White/Black foreground. The display is fully programmable and can display a combination of both graphics and text.

This 12864 LCD is a big, bold, beautiful blue LCD with white back-lit pixels. It is also well known for its wide use in 3D Printers, an extension accessory of RAMPS. If you want to add some visual output to your Electronic/Industrial projects, you’ll need a display. This LCD display is best suited to the graphical upgrade to those popular 16×2 LCDs but allows full graphical control.

In addition to writing text, this graphic 12864 LCD series allows the user to draw lines, circles, and boxes, set or redefine individual pixels, clear specific blocks of the display, backlight control, and adjustment of the baud rate. The lcd 128x64 Graphic Blue Color Backlight LCD Display module has its pins which are documented on the back of the LCD to assist in wiring it up. It is very easy to interface this LCD with the RAMPS controller of the 3D printer.