Why buy a new LCD have a bright spot, seek!

We buy the LG LCD, no test Dead, entered the game in the World of Warcraft, in a black background can clearly see the small bright spot, which is WHAT? From time to time there is some black screen.

Is how? No more than 3 are within the normal range ~~~~~~~~~~ if not a solid color test Dead is gone.It was dark point is
manufacturers to display the problematic sold in the factory to become a bright spot in the dark, there will be a good problem to sell display, as dark spots difficult to find, Therefore, buying time to display pay more attention to the general
JS only bright spot for the package that he intended to hide dark spots or confuse the concept of selling LCD problem