INFORMATION: What is backlight bleeding in LCD Display? Is it Normal?

Backlight bleeding most commonly occurs when this light is not 100% blocked, allowing excess light to "bleed" around the edges of the LCD panel. This backlight bleeding issue leaves spots of lighter areas on a dark background. 

Example:

Don't worry it is very common issue in LCD panels.

unless and until it is on the small level.

and

It may increase also with respect to time.

if you want to check yours:

1. maximize your screen brightness.
2. visit this page 
3. click on "click here" option

Thank You