Brightness how bright an image can be on your Mobile High brightness is required when the outside of room in very bright

Brightness: - It refers to how bright an image can be on your Mobile High brightness is required when the outside of room in very bright area.
Contrast Ratio:- Contrast ratio is the difference between black and white color display on Mobile. The higher contrast ratio, black shade appear blacker and whites get whiter.
Contrast ratio simply means capacity of a panel to show number of color shades of a single color tone. more the contrast ratio more natural is the capture.
FPS - Frame Rate Per Second
Having a higher Frame Rate helps reduce blurring and the viewer gets a better experience when watching fast moving scenes like Sports or paying games.
Response Time:- Response Time is the difference between 2 frames. Hence, it is a measure of how long a display takes to change the image. Response Time is measured in milliseconds.
Viewing angle of a Mobile / TV is maximum angle at which the display can be viewed with acceptable visual performance.
For good viewing, it is essential, that the vertical viewing angle of a television, is also taken into consideration. When placing the television, care should be taken, that the line of sight stays within the 15 degree angle.