Important factors to consider to evaluating an LCD monitor:
1. Resolution: The horizontal and vertical size measured by number of pixels (e.g., 1024x768).
2. Dot pitch: The distance between the centers of two adjacent pixels. Smaller dot pitch indicate sharper image.
3. Viewable size: The diagonal size of the LCD display panel
4. Response time: The minimum time LCD takes to change a pixel's color or brightness.
5. Refresh rate: The rate at which the data is loaded in the monitor measured with the unit of number of times per second. Higher the refresh rate lesser is the flickering.
6. Matrix type: Active TFT or Passive.
7. Viewing angle: The angle from which the user can view the image on the display clearly.
8. Color support: The types and number of colors supported by the LCD (known as color gamut).
9. Brightness: The amount of light emitted from the display (known as luminance).
10. Contrast ratio: The ratio of the intensity of the brightest bright to the darkest dark.
11. Aspect ratio: The ratio of the width to the height (for example, 4:3, 5:4, 16:9 or 16:10).
12. Gamma correction: It is the name of a nonlinear operation used to code and decode luminance or tristimulus values in video or still image systems.