CRT screens used in the past have completely been replaced by LCD screens on desktop computers as well as laptop computers. There are two important types of LCD screens popular in the technology area which are called Active Matrix LCDs and Passive Matrix LCDs. Let’s see the differences between them:
| Characteristics | Passive Matrix LCD | Active Matrix LCD |
| Technology Used | Uses rows of transistors across the top & a column of transistors down the side. | Uses a separate transistor for each individual pixel. |
| Brightness | Less | high |
| Refresh rate | poor | Higher |
| Power consumption | low | high |
Most of the notebooks today use an active matrix LCD due to choosing of better properties associated with it. Active matrix LCD screens have a variant that uses multiple transistors for each pixel which results in even better display quality.
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