Matrix display means the structure of a display panel by means of a dot pattern which is arranged in horizontal rows and vertical columns.
Each individual pixel is thus firmly defined by specifying a row and a column number.
Depending on the used display technology (LCD, LED, gas discharge, or as electromechanical display) can take one point two or more shades of gray or colors. In the simplest case this means that the point is visible or hidden within the display area. Through the control of several points so any patterns or characters within this matrix can be put together.
For LCDs and OLEDs, there are two types of control technology ( TFT displays called ) passive-matrix displays and active matrix displays.